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Unified Diff: core/src/fxge/skia/fx_skia_blitter_new.cpp

Issue 1265503005: clang-format all pdfium code. (Closed) Base URL: https://pdfium.googlesource.com/pdfium.git@master
Patch Set: sigh Created 5 years, 4 months ago
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Index: core/src/fxge/skia/fx_skia_blitter_new.cpp
diff --git a/core/src/fxge/skia/fx_skia_blitter_new.cpp b/core/src/fxge/skia/fx_skia_blitter_new.cpp
index 3437eb497d6ec86521b3d91b26011baf8bea5565..a3ed75b9cbdcdcb34f384c81f441d4e39e0e33d5 100644
--- a/core/src/fxge/skia/fx_skia_blitter_new.cpp
+++ b/core/src/fxge/skia/fx_skia_blitter_new.cpp
@@ -8,308 +8,385 @@
#include "../../../include/fxcodec/fx_codec.h"
#include "SkBlitter.h"
#include "fx_skia_blitter_new.h"
- // We use our own renderer here to make it simple
- void CFX_SkiaRenderer::blitAntiH(int x, int y, const SkAlpha antialias[], const int16_t runs[])
- {
- FXSYS_assert(m_Alpha);
- if (m_pOriDevice == NULL && composite_span == NULL) return;
- if (y < m_ClipBox.top || y >= m_ClipBox.bottom) return;
- while (1)
- {
- int width = runs[0];
- SkASSERT(width >= 0);
- if (width <= 0)
- return;
- unsigned aa = antialias[0];
- if (aa)
- (*composite_span)(m_pDestScan, m_pOriScan, 0, x, width, y, aa, m_ClipBox.top, m_ClipBox.left, m_ClipBox.right, m_pClipScan, m_pDestExtraAlphaScan);
- runs += width;
- antialias += width;
- x += width;
- }
- }
+// We use our own renderer here to make it simple
+void CFX_SkiaRenderer::blitAntiH(int x,
+ int y,
+ const SkAlpha antialias[],
+ const int16_t runs[]) {
+ FXSYS_assert(m_Alpha);
+ if (m_pOriDevice == NULL && composite_span == NULL)
+ return;
+ if (y < m_ClipBox.top || y >= m_ClipBox.bottom)
+ return;
+ while (1) {
+ int width = runs[0];
+ SkASSERT(width >= 0);
+ if (width <= 0)
+ return;
+ unsigned aa = antialias[0];
+ if (aa)
+ (*composite_span)(m_pDestScan, m_pOriScan, 0, x, width, y, aa,
+ m_ClipBox.top, m_ClipBox.left, m_ClipBox.right,
+ m_pClipScan, m_pDestExtraAlphaScan);
+ runs += width;
+ antialias += width;
+ x += width;
+ }
+}
- void CFX_SkiaRenderer::blitH(int x, int y, int width)
- {
- FXSYS_assert(m_Alpha && width);
- if (y < m_ClipBox.top || y >= m_ClipBox.bottom) return;
- (*composite_span)(m_pDestScan, m_pOriScan, 0, x, width, y, 255, m_ClipBox.top, m_ClipBox.left, m_ClipBox.right, m_pClipScan, m_pDestExtraAlphaScan);
- }
+void CFX_SkiaRenderer::blitH(int x, int y, int width) {
+ FXSYS_assert(m_Alpha && width);
+ if (y < m_ClipBox.top || y >= m_ClipBox.bottom)
+ return;
+ (*composite_span)(m_pDestScan, m_pOriScan, 0, x, width, y, 255, m_ClipBox.top,
+ m_ClipBox.left, m_ClipBox.right, m_pClipScan,
+ m_pDestExtraAlphaScan);
+}
- void CFX_SkiaRenderer::blitV(int x, int y, int height, SkAlpha alpha)
- {
- FXSYS_assert(m_Alpha && alpha);
- if (alpha == 255) {
- blitRect(x, y, 1, height);
- } else {
- int16_t runs[2];
- runs[0] = 1;
- runs[1] = 0;
- while (--height >= 0) {
- if (y >= m_ClipBox.bottom)
- return;
- blitAntiH(x, y ++, &alpha, runs);
- }
- }
- }
- void CFX_SkiaRenderer::blitRect(int x, int y, int width, int height)
- {
- FXSYS_assert(m_Alpha && width);
- while (--height >= 0){
- if (y >= m_ClipBox.bottom)
- return;
- blitH(x, y ++, width);
- }
+void CFX_SkiaRenderer::blitV(int x, int y, int height, SkAlpha alpha) {
+ FXSYS_assert(m_Alpha && alpha);
+ if (alpha == 255) {
+ blitRect(x, y, 1, height);
+ } else {
+ int16_t runs[2];
+ runs[0] = 1;
+ runs[1] = 0;
+ while (--height >= 0) {
+ if (y >= m_ClipBox.bottom)
+ return;
+ blitAntiH(x, y++, &alpha, runs);
}
+ }
+}
+void CFX_SkiaRenderer::blitRect(int x, int y, int width, int height) {
+ FXSYS_assert(m_Alpha && width);
+ while (--height >= 0) {
+ if (y >= m_ClipBox.bottom)
+ return;
+ blitH(x, y++, width);
+ }
+}
- void CFX_SkiaRenderer::blitAntiRect(int x, int y, int width, int height,
- SkAlpha leftAlpha, SkAlpha rightAlpha)
- {
- blitV(x++, y, height, leftAlpha);
- if (width > 0) {
- blitRect(x, y, width, height);
- x += width;
- }
- blitV(x, y, height, rightAlpha);
- }
- /*---------------------------------------------------------------------------------------------------*/
- void CFX_SkiaRenderer::CompositeSpan1bpp_0(uint8_t* dest_scan, uint8_t* ori_scan,int Bpp,
- int span_left, int span_len, int span_top, uint8_t cover_scan,
- int clip_top, int clip_left, int clip_right, uint8_t* clip_scan,
- uint8_t* dest_extra_alpha_scan)
- {
- ASSERT(!m_bRgbByteOrder);
- ASSERT(!m_pDevice->IsCmykImage());
- dest_scan = (uint8_t*)m_pDevice->GetScanline(span_top) + span_left/8;
- int col_start = span_left < clip_left ? clip_left - span_left : 0;
- int col_end = (span_left + span_len) < clip_right ? span_len : (clip_right - span_left);
- if (col_end < col_start) return; // do nothing.
- dest_scan += col_start/8;
+void CFX_SkiaRenderer::blitAntiRect(int x,
+ int y,
+ int width,
+ int height,
+ SkAlpha leftAlpha,
+ SkAlpha rightAlpha) {
+ blitV(x++, y, height, leftAlpha);
+ if (width > 0) {
+ blitRect(x, y, width, height);
+ x += width;
+ }
+ blitV(x, y, height, rightAlpha);
+}
+/*---------------------------------------------------------------------------------------------------*/
+void CFX_SkiaRenderer::CompositeSpan1bpp_0(uint8_t* dest_scan,
+ uint8_t* ori_scan,
+ int Bpp,
+ int span_left,
+ int span_len,
+ int span_top,
+ uint8_t cover_scan,
+ int clip_top,
+ int clip_left,
+ int clip_right,
+ uint8_t* clip_scan,
+ uint8_t* dest_extra_alpha_scan) {
+ ASSERT(!m_bRgbByteOrder);
+ ASSERT(!m_pDevice->IsCmykImage());
+ dest_scan = (uint8_t*)m_pDevice->GetScanline(span_top) + span_left / 8;
+ int col_start = span_left < clip_left ? clip_left - span_left : 0;
+ int col_end =
+ (span_left + span_len) < clip_right ? span_len : (clip_right - span_left);
+ if (col_end < col_start)
+ return; // do nothing.
+ dest_scan += col_start / 8;
- int index = 0;
- if (m_pDevice->GetPalette() == NULL)
- index = ((uint8_t)m_Color == 0xff) ? 1 : 0;
- else {
- for (int i = 0; i < 2; i ++)
- if (FXARGB_TODIB(m_pDevice->GetPalette()[i]) == m_Color)
- index = i;
- }
- uint8_t* dest_scan1 = dest_scan;
- int src_alpha = m_Alpha * cover_scan / 255;
- for (int col = col_start; col < col_end; col ++) {
- if (src_alpha) {
- if (!index)
- *dest_scan1 &= ~(1 << (7 - (col+span_left)%8));
- else
- *dest_scan1|= 1 << (7 - (col+span_left)%8);
- }
- dest_scan1 = dest_scan+(span_left%8+col-col_start+1)/8;
- }
+ int index = 0;
+ if (m_pDevice->GetPalette() == NULL)
+ index = ((uint8_t)m_Color == 0xff) ? 1 : 0;
+ else {
+ for (int i = 0; i < 2; i++)
+ if (FXARGB_TODIB(m_pDevice->GetPalette()[i]) == m_Color)
+ index = i;
+ }
+ uint8_t* dest_scan1 = dest_scan;
+ int src_alpha = m_Alpha * cover_scan / 255;
+ for (int col = col_start; col < col_end; col++) {
+ if (src_alpha) {
+ if (!index)
+ *dest_scan1 &= ~(1 << (7 - (col + span_left) % 8));
+ else
+ *dest_scan1 |= 1 << (7 - (col + span_left) % 8);
}
- void CFX_SkiaRenderer::CompositeSpan1bpp_4(uint8_t* dest_scan, uint8_t* ori_scan,int Bpp,
- int span_left, int span_len, int span_top, uint8_t cover_scan,
- int clip_top, int clip_left, int clip_right, uint8_t* clip_scan,
- uint8_t* dest_extra_alpha_scan)
- {
- ASSERT(!m_bRgbByteOrder);
- ASSERT(!m_pDevice->IsCmykImage());
- dest_scan = (uint8_t*)m_pDevice->GetScanline(span_top) + span_left/8;
- clip_scan = (uint8_t*)m_pClipMask->GetScanline(span_top-clip_top) - clip_left + span_left;
- int col_start = span_left < clip_left ? clip_left - span_left : 0;
- int col_end = (span_left + span_len) < clip_right ? span_len : (clip_right - span_left);
- if (col_end < col_start) return; // do nothing.
- dest_scan += col_start/8;
+ dest_scan1 = dest_scan + (span_left % 8 + col - col_start + 1) / 8;
+ }
+}
+void CFX_SkiaRenderer::CompositeSpan1bpp_4(uint8_t* dest_scan,
+ uint8_t* ori_scan,
+ int Bpp,
+ int span_left,
+ int span_len,
+ int span_top,
+ uint8_t cover_scan,
+ int clip_top,
+ int clip_left,
+ int clip_right,
+ uint8_t* clip_scan,
+ uint8_t* dest_extra_alpha_scan) {
+ ASSERT(!m_bRgbByteOrder);
+ ASSERT(!m_pDevice->IsCmykImage());
+ dest_scan = (uint8_t*)m_pDevice->GetScanline(span_top) + span_left / 8;
+ clip_scan = (uint8_t*)m_pClipMask->GetScanline(span_top - clip_top) -
+ clip_left + span_left;
+ int col_start = span_left < clip_left ? clip_left - span_left : 0;
+ int col_end =
+ (span_left + span_len) < clip_right ? span_len : (clip_right - span_left);
+ if (col_end < col_start)
+ return; // do nothing.
+ dest_scan += col_start / 8;
- int index = 0;
- if (m_pDevice->GetPalette() == NULL)
- index = ((uint8_t)m_Color == 0xff) ? 1 : 0;
- else {
- for (int i = 0; i < 2; i ++)
- if (FXARGB_TODIB(m_pDevice->GetPalette()[i]) == m_Color)
- index = i;
- }
- uint8_t* dest_scan1 = dest_scan;
- int src_alpha = m_Alpha * cover_scan / 255;
- for (int col = col_start; col < col_end; col ++) {
- int src_alpha1 = src_alpha * clip_scan[col] / 255;
- if (src_alpha1) {
- if (!index)
- *dest_scan1 &= ~(1 << (7 - (col+span_left)%8));
- else
- *dest_scan1|= 1 << (7 - (col+span_left)%8);
- }
- dest_scan1 = dest_scan+(span_left%8+col-col_start+1)/8;
- }
- }
- /*-----------------------------------------------------------------------------------------------------*/
- void CFX_SkiaRenderer::CompositeSpanGray_2(uint8_t* dest_scan, uint8_t* ori_scan,int Bpp,
- int span_left, int span_len, int span_top, uint8_t cover_scan,
- int clip_top, int clip_left, int clip_right, uint8_t* clip_scan,
- uint8_t* dest_extra_alpha_scan)
- {
- ASSERT(!m_pDevice->IsCmykImage());
- ASSERT(!m_bRgbByteOrder);
- dest_scan = (uint8_t*)m_pDevice->GetScanline(span_top) + span_left;
- int col_start = span_left < clip_left ? clip_left - span_left : 0;
- int col_end = (span_left + span_len) < clip_right ? span_len : (clip_right - span_left);
- if (col_end < col_start) return; // do nothing.
- dest_scan += col_start;
- if (cover_scan == 255 && m_Alpha == 255) {
- FXSYS_memset(dest_scan, FXARGB_MAKE(m_Gray, m_Gray, m_Gray, m_Gray), col_end - col_start);
- return;
- }
- int src_alpha = m_Alpha * cover_scan / 255;
- for (int col = col_start; col < col_end; col ++) {
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Gray, src_alpha);
- dest_scan++;
- }
+ int index = 0;
+ if (m_pDevice->GetPalette() == NULL)
+ index = ((uint8_t)m_Color == 0xff) ? 1 : 0;
+ else {
+ for (int i = 0; i < 2; i++)
+ if (FXARGB_TODIB(m_pDevice->GetPalette()[i]) == m_Color)
+ index = i;
+ }
+ uint8_t* dest_scan1 = dest_scan;
+ int src_alpha = m_Alpha * cover_scan / 255;
+ for (int col = col_start; col < col_end; col++) {
+ int src_alpha1 = src_alpha * clip_scan[col] / 255;
+ if (src_alpha1) {
+ if (!index)
+ *dest_scan1 &= ~(1 << (7 - (col + span_left) % 8));
+ else
+ *dest_scan1 |= 1 << (7 - (col + span_left) % 8);
}
- void CFX_SkiaRenderer::CompositeSpanGray_3(uint8_t* dest_scan, uint8_t* ori_scan,int Bpp,
- int span_left, int span_len, int span_top, uint8_t cover_scan,
- int clip_top, int clip_left, int clip_right, uint8_t* clip_scan,
- uint8_t* dest_extra_alpha_scan)
- {
- ASSERT(!m_pDevice->IsCmykImage());
- ASSERT(!m_bRgbByteOrder);
- dest_scan = (uint8_t*)m_pDevice->GetScanline(span_top) + span_left;
- ori_scan = (uint8_t*)m_pOriDevice->GetScanline(span_top) + span_left;
- int col_start = span_left < clip_left ? clip_left - span_left : 0;
- int col_end = (span_left + span_len) < clip_right ? span_len : (clip_right - span_left);
- if (col_end < col_start) return; // do nothing.
- dest_scan += col_start;
- ori_scan += col_start;
- if (m_Alpha == 255 && cover_scan == 255) {
- FXSYS_memset(dest_scan, FXARGB_MAKE(m_Gray, m_Gray, m_Gray, m_Gray), col_end - col_start);
- } else {
- int src_alpha = m_Alpha;
+ dest_scan1 = dest_scan + (span_left % 8 + col - col_start + 1) / 8;
+ }
+}
+/*-----------------------------------------------------------------------------------------------------*/
+void CFX_SkiaRenderer::CompositeSpanGray_2(uint8_t* dest_scan,
+ uint8_t* ori_scan,
+ int Bpp,
+ int span_left,
+ int span_len,
+ int span_top,
+ uint8_t cover_scan,
+ int clip_top,
+ int clip_left,
+ int clip_right,
+ uint8_t* clip_scan,
+ uint8_t* dest_extra_alpha_scan) {
+ ASSERT(!m_pDevice->IsCmykImage());
+ ASSERT(!m_bRgbByteOrder);
+ dest_scan = (uint8_t*)m_pDevice->GetScanline(span_top) + span_left;
+ int col_start = span_left < clip_left ? clip_left - span_left : 0;
+ int col_end =
+ (span_left + span_len) < clip_right ? span_len : (clip_right - span_left);
+ if (col_end < col_start)
+ return; // do nothing.
+ dest_scan += col_start;
+ if (cover_scan == 255 && m_Alpha == 255) {
+ FXSYS_memset(dest_scan, FXARGB_MAKE(m_Gray, m_Gray, m_Gray, m_Gray),
+ col_end - col_start);
+ return;
+ }
+ int src_alpha = m_Alpha * cover_scan / 255;
+ for (int col = col_start; col < col_end; col++) {
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Gray, src_alpha);
+ dest_scan++;
+ }
+}
+void CFX_SkiaRenderer::CompositeSpanGray_3(uint8_t* dest_scan,
+ uint8_t* ori_scan,
+ int Bpp,
+ int span_left,
+ int span_len,
+ int span_top,
+ uint8_t cover_scan,
+ int clip_top,
+ int clip_left,
+ int clip_right,
+ uint8_t* clip_scan,
+ uint8_t* dest_extra_alpha_scan) {
+ ASSERT(!m_pDevice->IsCmykImage());
+ ASSERT(!m_bRgbByteOrder);
+ dest_scan = (uint8_t*)m_pDevice->GetScanline(span_top) + span_left;
+ ori_scan = (uint8_t*)m_pOriDevice->GetScanline(span_top) + span_left;
+ int col_start = span_left < clip_left ? clip_left - span_left : 0;
+ int col_end =
+ (span_left + span_len) < clip_right ? span_len : (clip_right - span_left);
+ if (col_end < col_start)
+ return; // do nothing.
+ dest_scan += col_start;
+ ori_scan += col_start;
+ if (m_Alpha == 255 && cover_scan == 255) {
+ FXSYS_memset(dest_scan, FXARGB_MAKE(m_Gray, m_Gray, m_Gray, m_Gray),
+ col_end - col_start);
+ } else {
+ int src_alpha = m_Alpha;
#if 1
- for (int col = col_start; col < col_end; col ++) {
- int gray = FXDIB_ALPHA_MERGE(*ori_scan++, m_Gray, src_alpha);
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, gray, cover_scan);
- dest_scan ++;
- }
+ for (int col = col_start; col < col_end; col++) {
+ int gray = FXDIB_ALPHA_MERGE(*ori_scan++, m_Gray, src_alpha);
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, gray, cover_scan);
+ dest_scan++;
+ }
#else
- if (m_bFullCover) {
- if (src_alpha == 255) {
- FXSYS_memset(dest_scan, FXARGB_MAKE(m_Gray, m_Gray, m_Gray, m_Gray), col_end - col_start);
- return;
- }
- for (int col = col_start; col < col_end; col ++)
- *dest_scan = FXDIB_ALPHA_MERGE(*ori_scan++, m_Gray, src_alpha);
- } else {
- for (int col = col_start; col < col_end; col ++) {
- int gray = FXDIB_ALPHA_MERGE(*ori_scan++, m_Gray, src_alpha);
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, gray, cover_scan);
- dest_scan++;
- }
- }
-#endif
- }
+ if (m_bFullCover) {
+ if (src_alpha == 255) {
+ FXSYS_memset(dest_scan, FXARGB_MAKE(m_Gray, m_Gray, m_Gray, m_Gray),
+ col_end - col_start);
+ return;
+ }
+ for (int col = col_start; col < col_end; col++)
+ *dest_scan = FXDIB_ALPHA_MERGE(*ori_scan++, m_Gray, src_alpha);
+ } else {
+ for (int col = col_start; col < col_end; col++) {
+ int gray = FXDIB_ALPHA_MERGE(*ori_scan++, m_Gray, src_alpha);
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, gray, cover_scan);
+ dest_scan++;
+ }
}
+#endif
+ }
+}
- void CFX_SkiaRenderer::CompositeSpanGray_6(uint8_t* dest_scan, uint8_t* ori_scan,int Bpp,
- int span_left, int span_len, int span_top, uint8_t cover_scan,
- int clip_top, int clip_left, int clip_right, uint8_t* clip_scan,
- uint8_t* dest_extra_alpha_scan)
- {
- ASSERT(!m_bRgbByteOrder);
- dest_scan = (uint8_t*)m_pDevice->GetScanline(span_top) + span_left;
- clip_scan = (uint8_t*)m_pClipMask->GetScanline(span_top-clip_top) - clip_left + span_left;
- int col_start = span_left < clip_left ? clip_left - span_left : 0;
- int col_end = (span_left + span_len) < clip_right ? span_len : (clip_right - span_left);
- if (col_end < col_start) return; // do nothing.
- dest_scan += col_start;
- int src_alpha = m_Alpha * cover_scan / 255;
- for (int col = col_start; col < col_end; col ++) {
- int src_alpha1 = src_alpha * clip_scan[col] / 255;
- if (!src_alpha1) {
- dest_scan ++;
- continue;
- }
- if (src_alpha1 == 255)
- *dest_scan++ = m_Gray;
- else {
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Gray, src_alpha1);
- dest_scan ++;
- }
- }
+void CFX_SkiaRenderer::CompositeSpanGray_6(uint8_t* dest_scan,
+ uint8_t* ori_scan,
+ int Bpp,
+ int span_left,
+ int span_len,
+ int span_top,
+ uint8_t cover_scan,
+ int clip_top,
+ int clip_left,
+ int clip_right,
+ uint8_t* clip_scan,
+ uint8_t* dest_extra_alpha_scan) {
+ ASSERT(!m_bRgbByteOrder);
+ dest_scan = (uint8_t*)m_pDevice->GetScanline(span_top) + span_left;
+ clip_scan = (uint8_t*)m_pClipMask->GetScanline(span_top - clip_top) -
+ clip_left + span_left;
+ int col_start = span_left < clip_left ? clip_left - span_left : 0;
+ int col_end =
+ (span_left + span_len) < clip_right ? span_len : (clip_right - span_left);
+ if (col_end < col_start)
+ return; // do nothing.
+ dest_scan += col_start;
+ int src_alpha = m_Alpha * cover_scan / 255;
+ for (int col = col_start; col < col_end; col++) {
+ int src_alpha1 = src_alpha * clip_scan[col] / 255;
+ if (!src_alpha1) {
+ dest_scan++;
+ continue;
+ }
+ if (src_alpha1 == 255)
+ *dest_scan++ = m_Gray;
+ else {
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Gray, src_alpha1);
+ dest_scan++;
}
+ }
+}
- void CFX_SkiaRenderer::CompositeSpanGray_7(uint8_t* dest_scan, uint8_t* ori_scan,int Bpp,
- int span_left, int span_len, int span_top, uint8_t cover_scan,
- int clip_top, int clip_left, int clip_right, uint8_t* clip_scan,
- uint8_t* dest_extra_alpha_scan)
- {
- ASSERT(!m_pDevice->IsCmykImage());
- dest_scan = (uint8_t*)m_pDevice->GetScanline(span_top) + span_left;
- ori_scan = (uint8_t*)m_pOriDevice->GetScanline(span_top) + span_left;
- clip_scan = (uint8_t*)m_pClipMask->GetScanline(span_top-clip_top) - clip_left + span_left;
- int col_start = span_left < clip_left ? clip_left - span_left : 0;
- int col_end = (span_left + span_len) < clip_right ? span_len : (clip_right - span_left);
- if (col_end < col_start) return; // do nothing.
- dest_scan += col_start;
- ori_scan += col_start;
+void CFX_SkiaRenderer::CompositeSpanGray_7(uint8_t* dest_scan,
+ uint8_t* ori_scan,
+ int Bpp,
+ int span_left,
+ int span_len,
+ int span_top,
+ uint8_t cover_scan,
+ int clip_top,
+ int clip_left,
+ int clip_right,
+ uint8_t* clip_scan,
+ uint8_t* dest_extra_alpha_scan) {
+ ASSERT(!m_pDevice->IsCmykImage());
+ dest_scan = (uint8_t*)m_pDevice->GetScanline(span_top) + span_left;
+ ori_scan = (uint8_t*)m_pOriDevice->GetScanline(span_top) + span_left;
+ clip_scan = (uint8_t*)m_pClipMask->GetScanline(span_top - clip_top) -
+ clip_left + span_left;
+ int col_start = span_left < clip_left ? clip_left - span_left : 0;
+ int col_end =
+ (span_left + span_len) < clip_right ? span_len : (clip_right - span_left);
+ if (col_end < col_start)
+ return; // do nothing.
+ dest_scan += col_start;
+ ori_scan += col_start;
#if 1
- for (int col = col_start; col < col_end; col ++) {
- int src_alpha = m_Alpha * clip_scan[col] / 255;
- if (src_alpha == 255 && cover_scan == 255) {
- *dest_scan++ = m_Gray;
- ori_scan++;
- continue;
- }
- int gray = FXDIB_ALPHA_MERGE(*ori_scan++, m_Gray, src_alpha);
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, gray, cover_scan);
- dest_scan++;
- }
+ for (int col = col_start; col < col_end; col++) {
+ int src_alpha = m_Alpha * clip_scan[col] / 255;
+ if (src_alpha == 255 && cover_scan == 255) {
+ *dest_scan++ = m_Gray;
+ ori_scan++;
+ continue;
+ }
+ int gray = FXDIB_ALPHA_MERGE(*ori_scan++, m_Gray, src_alpha);
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, gray, cover_scan);
+ dest_scan++;
+ }
#else
- if (m_bFullCover) {
- for (int col = col_start; col < col_end; col ++) {
- int src_alpha = m_Alpha * clip_scan[col] / 255;
- if (!src_alpha) {
- dest_scan++;
- ori_scan++;
- continue;
- }
- if (src_alpha == 255){
- *dest_scan++ = m_Gray;
- ori_scan++;
- continue;
- }
- *dest_scan++ = FXDIB_ALPHA_MERGE(*ori_scan++, m_Gray, src_alpha);
- }
- } else {
- for (int col = col_start; col < col_end; col ++) {
- int src_alpha = m_Alpha * clip_scan[col] / 255;
- if (src_alpha == 255 && cover_scan == 255) {
- *dest_scan++ = m_Gray;
- ori_scan++;
- continue;
- }
- int gray = FXDIB_ALPHA_MERGE(*ori_scan++, m_Gray, src_alpha);
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, gray, cover_scan);
- dest_scan++;
- }
- }
-#endif
+ if (m_bFullCover) {
+ for (int col = col_start; col < col_end; col++) {
+ int src_alpha = m_Alpha * clip_scan[col] / 255;
+ if (!src_alpha) {
+ dest_scan++;
+ ori_scan++;
+ continue;
+ }
+ if (src_alpha == 255) {
+ *dest_scan++ = m_Gray;
+ ori_scan++;
+ continue;
+ }
+ *dest_scan++ = FXDIB_ALPHA_MERGE(*ori_scan++, m_Gray, src_alpha);
}
- /*--------------------------------------------------------------------------------------------------*/
+ } else {
+ for (int col = col_start; col < col_end; col++) {
+ int src_alpha = m_Alpha * clip_scan[col] / 255;
+ if (src_alpha == 255 && cover_scan == 255) {
+ *dest_scan++ = m_Gray;
+ ori_scan++;
+ continue;
+ }
+ int gray = FXDIB_ALPHA_MERGE(*ori_scan++, m_Gray, src_alpha);
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, gray, cover_scan);
+ dest_scan++;
+ }
+ }
+#endif
+}
+/*--------------------------------------------------------------------------------------------------*/
- void CFX_SkiaRenderer::CompositeSpanARGB_2(uint8_t* dest_scan, uint8_t* ori_scan,int Bpp,
- int span_left, int span_len, int span_top, uint8_t cover_scan,
- int clip_top, int clip_left, int clip_right, uint8_t* clip_scan,
- uint8_t* dest_extra_alpha_scan)
- {
- dest_scan = (uint8_t*)m_pDevice->GetScanline(span_top) + (span_left<<2);
- int col_start = span_left < clip_left ? clip_left - span_left : 0;
- int col_end = (span_left + span_len) < clip_right ? span_len : (clip_right - span_left);
- if (col_end < col_start) return; // do nothing.
- dest_scan += col_start<<2;
- if (m_Alpha == 255 && cover_scan == 255) {
- FXSYS_memset(dest_scan, m_Color, (col_end - col_start)<<2);
- return;
- }
- int src_alpha;
+void CFX_SkiaRenderer::CompositeSpanARGB_2(uint8_t* dest_scan,
+ uint8_t* ori_scan,
+ int Bpp,
+ int span_left,
+ int span_len,
+ int span_top,
+ uint8_t cover_scan,
+ int clip_top,
+ int clip_left,
+ int clip_right,
+ uint8_t* clip_scan,
+ uint8_t* dest_extra_alpha_scan) {
+ dest_scan = (uint8_t*)m_pDevice->GetScanline(span_top) + (span_left << 2);
+ int col_start = span_left < clip_left ? clip_left - span_left : 0;
+ int col_end =
+ (span_left + span_len) < clip_right ? span_len : (clip_right - span_left);
+ if (col_end < col_start)
+ return; // do nothing.
+ dest_scan += col_start << 2;
+ if (m_Alpha == 255 && cover_scan == 255) {
+ FXSYS_memset(dest_scan, m_Color, (col_end - col_start) << 2);
+ return;
+ }
+ int src_alpha;
#if 0
if (m_bFullCover) {
if (m_Alpha == 255) {
@@ -319,293 +396,341 @@
}
else
#endif
- src_alpha = m_Alpha * cover_scan / 255;
- for (int col = col_start; col < col_end; col ++) {
- // Dest format: Argb
- // calculate destination alpha (it's union of source and dest alpha)
- if (dest_scan[3] == 0) {
- dest_scan[3] = src_alpha;
- *dest_scan++ = m_Blue;
- *dest_scan++ = m_Green;
- *dest_scan = m_Red;
- dest_scan += 2;
- continue;
- }
- uint8_t dest_alpha = dest_scan[3] + src_alpha - dest_scan[3] * src_alpha / 255;
- dest_scan[3] = dest_alpha;
- int alpha_ratio = src_alpha*255/dest_alpha;
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, alpha_ratio);
- dest_scan ++;
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, alpha_ratio);
- dest_scan ++;
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, alpha_ratio);
- dest_scan += 2;
- }
+ src_alpha = m_Alpha * cover_scan / 255;
+ for (int col = col_start; col < col_end; col++) {
+ // Dest format: Argb
+ // calculate destination alpha (it's union of source and dest alpha)
+ if (dest_scan[3] == 0) {
+ dest_scan[3] = src_alpha;
+ *dest_scan++ = m_Blue;
+ *dest_scan++ = m_Green;
+ *dest_scan = m_Red;
+ dest_scan += 2;
+ continue;
}
+ uint8_t dest_alpha =
+ dest_scan[3] + src_alpha - dest_scan[3] * src_alpha / 255;
+ dest_scan[3] = dest_alpha;
+ int alpha_ratio = src_alpha * 255 / dest_alpha;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, alpha_ratio);
+ dest_scan++;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, alpha_ratio);
+ dest_scan++;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, alpha_ratio);
+ dest_scan += 2;
+ }
+}
- void CFX_SkiaRenderer::CompositeSpanARGB_3(uint8_t* dest_scan, uint8_t* ori_scan,int Bpp,
- int span_left, int span_len, int span_top, uint8_t cover_scan,
- int clip_top, int clip_left, int clip_right, uint8_t* clip_scan,
- uint8_t* dest_extra_alpha_scan)
- {
- ASSERT(!m_pDevice->IsCmykImage());
- dest_scan = (uint8_t*)m_pDevice->GetScanline(span_top) + (span_left<<2);
- //ori_scan = (uint8_t*)m_pOriDevice->GetScanline(span_top) + (span_left<<2);
- int col_start = span_left < clip_left ? clip_left - span_left : 0;
- int col_end = (span_left + span_len) < clip_right ? span_len : (clip_right - span_left);
- if (col_end < col_start) return; // do nothing.
- dest_scan += col_start << 2;
- //ori_scan += col_start << 2;
+void CFX_SkiaRenderer::CompositeSpanARGB_3(uint8_t* dest_scan,
+ uint8_t* ori_scan,
+ int Bpp,
+ int span_left,
+ int span_len,
+ int span_top,
+ uint8_t cover_scan,
+ int clip_top,
+ int clip_left,
+ int clip_right,
+ uint8_t* clip_scan,
+ uint8_t* dest_extra_alpha_scan) {
+ ASSERT(!m_pDevice->IsCmykImage());
+ dest_scan = (uint8_t*)m_pDevice->GetScanline(span_top) + (span_left << 2);
+ // ori_scan = (uint8_t*)m_pOriDevice->GetScanline(span_top) + (span_left<<2);
+ int col_start = span_left < clip_left ? clip_left - span_left : 0;
+ int col_end =
+ (span_left + span_len) < clip_right ? span_len : (clip_right - span_left);
+ if (col_end < col_start)
+ return; // do nothing.
+ dest_scan += col_start << 2;
+ // ori_scan += col_start << 2;
- if (m_Alpha == 255 && cover_scan == 255){
- FXSYS_memset(dest_scan, m_Color, (col_end - col_start)<<2);
- return;
- }
- if (cover_scan == 255) {
- int dst_color = (0x00ffffff&m_Color)|(m_Alpha<<24);
- FXSYS_memset(dest_scan, dst_color, (col_end - col_start)<<2);
- return;
- }
- // Do not need origin bitmap, because of merge in pure transparent background
- int src_alpha_covered = m_Alpha * cover_scan / 255;
- for (int col = col_start; col < col_end; col ++)
- {
- // shortcut
- if (dest_scan[3] == 0) {
- dest_scan[3] = src_alpha_covered;
- *dest_scan ++ = m_Blue;
- *dest_scan ++ = m_Green;
- *dest_scan = m_Red;
- dest_scan += 2;
- continue;
- }
- // We should do alpha transition and color transition
- // alpha fg color fg
- // alpha bg color bg
- // alpha cover color cover
- dest_scan[3] = FXDIB_ALPHA_MERGE(dest_scan[3], m_Alpha, cover_scan);
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, cover_scan);
- dest_scan ++;
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, cover_scan);
- dest_scan ++;
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, cover_scan);
- dest_scan += 2;
- }
+ if (m_Alpha == 255 && cover_scan == 255) {
+ FXSYS_memset(dest_scan, m_Color, (col_end - col_start) << 2);
+ return;
+ }
+ if (cover_scan == 255) {
+ int dst_color = (0x00ffffff & m_Color) | (m_Alpha << 24);
+ FXSYS_memset(dest_scan, dst_color, (col_end - col_start) << 2);
+ return;
+ }
+ // Do not need origin bitmap, because of merge in pure transparent background
+ int src_alpha_covered = m_Alpha * cover_scan / 255;
+ for (int col = col_start; col < col_end; col++) {
+ // shortcut
+ if (dest_scan[3] == 0) {
+ dest_scan[3] = src_alpha_covered;
+ *dest_scan++ = m_Blue;
+ *dest_scan++ = m_Green;
+ *dest_scan = m_Red;
+ dest_scan += 2;
+ continue;
}
- void CFX_SkiaRenderer::CompositeSpanARGB_6(uint8_t* dest_scan, uint8_t* ori_scan,int Bpp,
- int span_left, int span_len, int span_top, uint8_t cover_scan,
- int clip_top, int clip_left, int clip_right, uint8_t* clip_scan,
- uint8_t* dest_extra_alpha_scan)
- {
- dest_scan = (uint8_t*)m_pDevice->GetScanline(span_top) + (span_left<<2);
- clip_scan = (uint8_t*)m_pClipMask->GetScanline(span_top-clip_top) - clip_left + span_left;
- int col_start = span_left < clip_left ? clip_left - span_left : 0;
- int col_end = (span_left + span_len) < clip_right ? span_len : (clip_right - span_left);
- if (col_end < col_start) return; // do nothing.
- dest_scan += col_start << 2;
+ // We should do alpha transition and color transition
+ // alpha fg color fg
+ // alpha bg color bg
+ // alpha cover color cover
+ dest_scan[3] = FXDIB_ALPHA_MERGE(dest_scan[3], m_Alpha, cover_scan);
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, cover_scan);
+ dest_scan++;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, cover_scan);
+ dest_scan++;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, cover_scan);
+ dest_scan += 2;
+ }
+}
+void CFX_SkiaRenderer::CompositeSpanARGB_6(uint8_t* dest_scan,
+ uint8_t* ori_scan,
+ int Bpp,
+ int span_left,
+ int span_len,
+ int span_top,
+ uint8_t cover_scan,
+ int clip_top,
+ int clip_left,
+ int clip_right,
+ uint8_t* clip_scan,
+ uint8_t* dest_extra_alpha_scan) {
+ dest_scan = (uint8_t*)m_pDevice->GetScanline(span_top) + (span_left << 2);
+ clip_scan = (uint8_t*)m_pClipMask->GetScanline(span_top - clip_top) -
+ clip_left + span_left;
+ int col_start = span_left < clip_left ? clip_left - span_left : 0;
+ int col_end =
+ (span_left + span_len) < clip_right ? span_len : (clip_right - span_left);
+ if (col_end < col_start)
+ return; // do nothing.
+ dest_scan += col_start << 2;
#if 1
- int src_alpha = m_Alpha * cover_scan / 255;
- for (int col = col_start; col < col_end; col ++) {
- int src_alpha1 = src_alpha* clip_scan[col] / 255;
- if (!src_alpha1) {
- dest_scan += 4;
- continue;
- }
- if (src_alpha1 == 255) {
- *(FX_DWORD*)dest_scan = m_Color;
- dest_scan += 4;
- } else {
- // Dest format: Argb
- // calculate destination alpha (it's union of source and dest alpha)
- if (dest_scan[3] == 0) {
- dest_scan[3] = src_alpha1;
- *dest_scan++ = m_Blue;
- *dest_scan++ = m_Green;
- *dest_scan = m_Red;
- dest_scan += 2;
- continue;
- }
- uint8_t dest_alpha = dest_scan[3] + src_alpha1 - dest_scan[3] * src_alpha1 / 255;
- dest_scan[3] = dest_alpha;
- int alpha_ratio = src_alpha1*255/dest_alpha;
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, alpha_ratio);
- dest_scan ++;
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, alpha_ratio);
- dest_scan ++;
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, alpha_ratio);
- dest_scan += 2;
- }
- }
+ int src_alpha = m_Alpha * cover_scan / 255;
+ for (int col = col_start; col < col_end; col++) {
+ int src_alpha1 = src_alpha * clip_scan[col] / 255;
+ if (!src_alpha1) {
+ dest_scan += 4;
+ continue;
+ }
+ if (src_alpha1 == 255) {
+ *(FX_DWORD*)dest_scan = m_Color;
+ dest_scan += 4;
+ } else {
+ // Dest format: Argb
+ // calculate destination alpha (it's union of source and dest alpha)
+ if (dest_scan[3] == 0) {
+ dest_scan[3] = src_alpha1;
+ *dest_scan++ = m_Blue;
+ *dest_scan++ = m_Green;
+ *dest_scan = m_Red;
+ dest_scan += 2;
+ continue;
+ }
+ uint8_t dest_alpha =
+ dest_scan[3] + src_alpha1 - dest_scan[3] * src_alpha1 / 255;
+ dest_scan[3] = dest_alpha;
+ int alpha_ratio = src_alpha1 * 255 / dest_alpha;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, alpha_ratio);
+ dest_scan++;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, alpha_ratio);
+ dest_scan++;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, alpha_ratio);
+ dest_scan += 2;
+ }
+ }
#else
- if (m_bFullCover) {
- for (int col = col_start; col < col_end; col ++) {
- int src_alpha = m_Alpha * clip_scan[col] / 255;
- if (!src_alpha) {
- dest_scan += 4;
- continue;
- }
- if (src_alpha == 255){
- *(FX_DWORD*)dest_scan = m_Color;
- dest_scan += 4;
- continue;
- } else {
- // Dest format: Argb
- // calculate destination alpha (it's union of source and dest alpha)
- if (dest_scan[3] == 0) {
- dest_scan[3] = src_alpha;
- *dest_scan++ = m_Blue;
- *dest_scan++ = m_Green;
- *dest_scan = m_Red;
- dest_scan += 2;
- continue;
- }
- uint8_t dest_alpha = dest_scan[3] + src_alpha - dest_scan[3] * src_alpha / 255;
- dest_scan[3] = dest_alpha;
- int alpha_ratio = src_alpha*255/dest_alpha;
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, alpha_ratio);
- dest_scan ++;
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, alpha_ratio);
- dest_scan ++;
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, alpha_ratio);
- dest_scan += 2;
- }
- }
- } else {
- int src_alpha = m_Alpha * cover_scan / 255;
- for (int col = col_start; col < col_end; col ++) {
- int src_alpha1 = src_alpha* clip_scan[col] / 255;
- if (!src_alpha1) {
- dest_scan += 4;
- continue;
- }
- if (src_alpha1 == 255) {
- *(FX_DWORD*)dest_scan = m_Color;
- dest_scan += 4;
- } else {
- // Dest format: Argb
- // calculate destination alpha (it's union of source and dest alpha)
- if (dest_scan[3] == 0) {
- dest_scan[3] = src_alpha1;
- *dest_scan++ = m_Blue;
- *dest_scan++ = m_Green;
- *dest_scan = m_Red;
- dest_scan += 2;
- continue;
- }
- uint8_t dest_alpha = dest_scan[3] + src_alpha1 - dest_scan[3] * src_alpha1 / 255;
- dest_scan[3] = dest_alpha;
- int alpha_ratio = src_alpha1*255/dest_alpha;
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, alpha_ratio);
- dest_scan ++;
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, alpha_ratio);
- dest_scan ++;
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, alpha_ratio);
- dest_scan += 2;
- }
- }
+ if (m_bFullCover) {
+ for (int col = col_start; col < col_end; col++) {
+ int src_alpha = m_Alpha * clip_scan[col] / 255;
+ if (!src_alpha) {
+ dest_scan += 4;
+ continue;
+ }
+ if (src_alpha == 255) {
+ *(FX_DWORD*)dest_scan = m_Color;
+ dest_scan += 4;
+ continue;
+ } else {
+ // Dest format: Argb
+ // calculate destination alpha (it's union of source and dest alpha)
+ if (dest_scan[3] == 0) {
+ dest_scan[3] = src_alpha;
+ *dest_scan++ = m_Blue;
+ *dest_scan++ = m_Green;
+ *dest_scan = m_Red;
+ dest_scan += 2;
+ continue;
}
-#endif
+ uint8_t dest_alpha =
+ dest_scan[3] + src_alpha - dest_scan[3] * src_alpha / 255;
+ dest_scan[3] = dest_alpha;
+ int alpha_ratio = src_alpha * 255 / dest_alpha;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, alpha_ratio);
+ dest_scan++;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, alpha_ratio);
+ dest_scan++;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, alpha_ratio);
+ dest_scan += 2;
+ }
}
-
- void CFX_SkiaRenderer::CompositeSpanARGB_7(uint8_t* dest_scan, uint8_t* ori_scan,int Bpp,
- int span_left, int span_len, int span_top, uint8_t cover_scan,
- int clip_top, int clip_left, int clip_right, uint8_t* clip_scan,
- uint8_t* dest_extra_alpha_scan)
- {
- ASSERT(!m_pDevice->IsCmykImage());
- dest_scan = (uint8_t*)m_pDevice->GetScanline(span_top) + (span_left<<2);
- //ori_scan = (uint8_t*)m_pOriDevice->GetScanline(span_top) + (span_left<<2);
- clip_scan = (uint8_t*)m_pClipMask->GetScanline(span_top-clip_top) - clip_left + span_left;
- int col_start = span_left < clip_left ? clip_left - span_left : 0;
- int col_end = (span_left + span_len) < clip_right ? span_len : (clip_right - span_left);
- if (col_end < col_start) return; // do nothing.
- dest_scan += col_start << 2;
- //ori_scan += col_start << 2;
- // Do not need origin bitmap, because of merge in pure transparent background
- for (int col = col_start; col < col_end; col ++)
- {
- int src_alpha = m_Alpha * clip_scan[col] / 255;
- int src_alpha_covered = src_alpha * cover_scan / 255;
- // shortcut
- if (src_alpha_covered == 0){
- dest_scan += 4;
- continue;
- }
- // shortcut
- if (cover_scan == 255 || dest_scan[3] == 0)
- {
- // origin alpha always zero, just get src alpha
- dest_scan[3] = src_alpha_covered;
- *dest_scan ++ = m_Blue;
- *dest_scan ++ = m_Green;
- *dest_scan = m_Red;
- dest_scan += 2;
- continue;
- }
- // We should do alpha transition and color transition
- // alpha fg color fg
- // alpha bg color bg
- // alpha cover color cover
- dest_scan[3] = FXDIB_ALPHA_MERGE(dest_scan[3], src_alpha, cover_scan);
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, cover_scan);
- dest_scan ++;
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, cover_scan);
- dest_scan ++;
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, cover_scan);
- dest_scan += 2;
+ } else {
+ int src_alpha = m_Alpha * cover_scan / 255;
+ for (int col = col_start; col < col_end; col++) {
+ int src_alpha1 = src_alpha * clip_scan[col] / 255;
+ if (!src_alpha1) {
+ dest_scan += 4;
+ continue;
+ }
+ if (src_alpha1 == 255) {
+ *(FX_DWORD*)dest_scan = m_Color;
+ dest_scan += 4;
+ } else {
+ // Dest format: Argb
+ // calculate destination alpha (it's union of source and dest alpha)
+ if (dest_scan[3] == 0) {
+ dest_scan[3] = src_alpha1;
+ *dest_scan++ = m_Blue;
+ *dest_scan++ = m_Green;
+ *dest_scan = m_Red;
+ dest_scan += 2;
+ continue;
}
+ uint8_t dest_alpha =
+ dest_scan[3] + src_alpha1 - dest_scan[3] * src_alpha1 / 255;
+ dest_scan[3] = dest_alpha;
+ int alpha_ratio = src_alpha1 * 255 / dest_alpha;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, alpha_ratio);
+ dest_scan++;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, alpha_ratio);
+ dest_scan++;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, alpha_ratio);
+ dest_scan += 2;
+ }
}
+ }
+#endif
+}
- /*-----------------------------------------------------------------------------------------------------------*/
- void CFX_SkiaRenderer::CompositeSpanRGB32_2(uint8_t* dest_scan, uint8_t* ori_scan,int Bpp,
- int span_left, int span_len, int span_top, uint8_t cover_scan,
- int clip_top, int clip_left, int clip_right, uint8_t* clip_scan,
- uint8_t* dest_extra_alpha_scan)
- {
- dest_scan = (uint8_t*)m_pDevice->GetScanline(span_top) + (span_left<<2);
- int col_start = span_left < clip_left ? clip_left - span_left : 0;
- int col_end = (span_left + span_len) < clip_right ? span_len : (clip_right - span_left);
- if (col_end < col_start) return; // do nothing.
- dest_scan += (col_start << 2);
- if (m_Alpha == 255 && cover_scan == 255) {
- FXSYS_memset(dest_scan, m_Color, (col_end - col_start)<<2);
- return;
- }
- int src_alpha;
+void CFX_SkiaRenderer::CompositeSpanARGB_7(uint8_t* dest_scan,
+ uint8_t* ori_scan,
+ int Bpp,
+ int span_left,
+ int span_len,
+ int span_top,
+ uint8_t cover_scan,
+ int clip_top,
+ int clip_left,
+ int clip_right,
+ uint8_t* clip_scan,
+ uint8_t* dest_extra_alpha_scan) {
+ ASSERT(!m_pDevice->IsCmykImage());
+ dest_scan = (uint8_t*)m_pDevice->GetScanline(span_top) + (span_left << 2);
+ // ori_scan = (uint8_t*)m_pOriDevice->GetScanline(span_top) + (span_left<<2);
+ clip_scan = (uint8_t*)m_pClipMask->GetScanline(span_top - clip_top) -
+ clip_left + span_left;
+ int col_start = span_left < clip_left ? clip_left - span_left : 0;
+ int col_end =
+ (span_left + span_len) < clip_right ? span_len : (clip_right - span_left);
+ if (col_end < col_start)
+ return; // do nothing.
+ dest_scan += col_start << 2;
+ // ori_scan += col_start << 2;
+ // Do not need origin bitmap, because of merge in pure transparent background
+ for (int col = col_start; col < col_end; col++) {
+ int src_alpha = m_Alpha * clip_scan[col] / 255;
+ int src_alpha_covered = src_alpha * cover_scan / 255;
+ // shortcut
+ if (src_alpha_covered == 0) {
+ dest_scan += 4;
+ continue;
+ }
+ // shortcut
+ if (cover_scan == 255 || dest_scan[3] == 0) {
+ // origin alpha always zero, just get src alpha
+ dest_scan[3] = src_alpha_covered;
+ *dest_scan++ = m_Blue;
+ *dest_scan++ = m_Green;
+ *dest_scan = m_Red;
+ dest_scan += 2;
+ continue;
+ }
+ // We should do alpha transition and color transition
+ // alpha fg color fg
+ // alpha bg color bg
+ // alpha cover color cover
+ dest_scan[3] = FXDIB_ALPHA_MERGE(dest_scan[3], src_alpha, cover_scan);
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, cover_scan);
+ dest_scan++;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, cover_scan);
+ dest_scan++;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, cover_scan);
+ dest_scan += 2;
+ }
+}
+
+/*-----------------------------------------------------------------------------------------------------------*/
+void CFX_SkiaRenderer::CompositeSpanRGB32_2(uint8_t* dest_scan,
+ uint8_t* ori_scan,
+ int Bpp,
+ int span_left,
+ int span_len,
+ int span_top,
+ uint8_t cover_scan,
+ int clip_top,
+ int clip_left,
+ int clip_right,
+ uint8_t* clip_scan,
+ uint8_t* dest_extra_alpha_scan) {
+ dest_scan = (uint8_t*)m_pDevice->GetScanline(span_top) + (span_left << 2);
+ int col_start = span_left < clip_left ? clip_left - span_left : 0;
+ int col_end =
+ (span_left + span_len) < clip_right ? span_len : (clip_right - span_left);
+ if (col_end < col_start)
+ return; // do nothing.
+ dest_scan += (col_start << 2);
+ if (m_Alpha == 255 && cover_scan == 255) {
+ FXSYS_memset(dest_scan, m_Color, (col_end - col_start) << 2);
+ return;
+ }
+ int src_alpha;
#if 0
if (m_bFullCover)
src_alpha = m_Alpha;
else
#endif
- src_alpha = m_Alpha * cover_scan / 255;
- for (int col = col_start; col < col_end; col ++) {
- // Dest format: Rgb32
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, src_alpha);
- dest_scan ++;
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, src_alpha);
- dest_scan ++;
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, src_alpha);
- dest_scan += 2;
- }
- }
- void CFX_SkiaRenderer::CompositeSpanRGB32_3(uint8_t* dest_scan, uint8_t* ori_scan,int Bpp,
- int span_left, int span_len, int span_top, uint8_t cover_scan,
- int clip_top, int clip_left, int clip_right, uint8_t* clip_scan,
- uint8_t* dest_extra_alpha_scan)
- {
- dest_scan = (uint8_t*)m_pDevice->GetScanline(span_top) + (span_left<<2);
- ori_scan = (uint8_t*)m_pOriDevice->GetScanline(span_top) + (span_left<<2);
- int col_start = span_left < clip_left ? clip_left - span_left : 0;
- int col_end = (span_left + span_len) < clip_right ? span_len : (clip_right - span_left);
- if (col_end < col_start) return; // do nothing.
- dest_scan += col_start << 2;
- ori_scan += col_start << 2;
- if (m_Alpha == 255 && cover_scan == 255) {
- FXSYS_memset(dest_scan, m_Color, (col_end - col_start)<<2);
- return;
- }
- int src_alpha = m_Alpha;
- for (int col = col_start; col < col_end; col ++) {
+ src_alpha = m_Alpha * cover_scan / 255;
+ for (int col = col_start; col < col_end; col++) {
+ // Dest format: Rgb32
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, src_alpha);
+ dest_scan++;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, src_alpha);
+ dest_scan++;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, src_alpha);
+ dest_scan += 2;
+ }
+}
+void CFX_SkiaRenderer::CompositeSpanRGB32_3(uint8_t* dest_scan,
+ uint8_t* ori_scan,
+ int Bpp,
+ int span_left,
+ int span_len,
+ int span_top,
+ uint8_t cover_scan,
+ int clip_top,
+ int clip_left,
+ int clip_right,
+ uint8_t* clip_scan,
+ uint8_t* dest_extra_alpha_scan) {
+ dest_scan = (uint8_t*)m_pDevice->GetScanline(span_top) + (span_left << 2);
+ ori_scan = (uint8_t*)m_pOriDevice->GetScanline(span_top) + (span_left << 2);
+ int col_start = span_left < clip_left ? clip_left - span_left : 0;
+ int col_end =
+ (span_left + span_len) < clip_right ? span_len : (clip_right - span_left);
+ if (col_end < col_start)
+ return; // do nothing.
+ dest_scan += col_start << 2;
+ ori_scan += col_start << 2;
+ if (m_Alpha == 255 && cover_scan == 255) {
+ FXSYS_memset(dest_scan, m_Color, (col_end - col_start) << 2);
+ return;
+ }
+ int src_alpha = m_Alpha;
+ for (int col = col_start; col < col_end; col++) {
#if 0
if (m_bFullCover) {
*dest_scan++ = FXDIB_ALPHA_MERGE(*ori_scan++, m_Blue, src_alpha);
@@ -615,231 +740,273 @@
continue;
}
#endif
- int b = FXDIB_ALPHA_MERGE(*ori_scan++, m_Blue, src_alpha);
- int g = FXDIB_ALPHA_MERGE(*ori_scan++, m_Green, src_alpha);
- int r = FXDIB_ALPHA_MERGE(*ori_scan, m_Red, src_alpha);
- ori_scan += 2;
- *dest_scan = FXDIB_ALPHA_MERGE( *dest_scan, b, cover_scan);
- dest_scan ++;
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, g, cover_scan);
- dest_scan ++;
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, r, cover_scan);
- dest_scan += 2;
- }
- }
- void CFX_SkiaRenderer::CompositeSpanRGB32_6(uint8_t* dest_scan, uint8_t* ori_scan,int Bpp,
- int span_left, int span_len, int span_top, uint8_t cover_scan,
- int clip_top, int clip_left, int clip_right, uint8_t* clip_scan,
- uint8_t* dest_extra_alpha_scan)
- {
- dest_scan = (uint8_t*)m_pDevice->GetScanline(span_top) + (span_left<<2);
- clip_scan = (uint8_t*)m_pClipMask->GetScanline(span_top-clip_top) - clip_left + span_left;
- int col_start = span_left < clip_left ? clip_left - span_left : 0;
- int col_end = (span_left + span_len) < clip_right ? span_len : (clip_right - span_left);
- if (col_end < col_start) return; // do nothing.
- dest_scan += col_start << 2;
+ int b = FXDIB_ALPHA_MERGE(*ori_scan++, m_Blue, src_alpha);
+ int g = FXDIB_ALPHA_MERGE(*ori_scan++, m_Green, src_alpha);
+ int r = FXDIB_ALPHA_MERGE(*ori_scan, m_Red, src_alpha);
+ ori_scan += 2;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, b, cover_scan);
+ dest_scan++;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, g, cover_scan);
+ dest_scan++;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, r, cover_scan);
+ dest_scan += 2;
+ }
+}
+void CFX_SkiaRenderer::CompositeSpanRGB32_6(uint8_t* dest_scan,
+ uint8_t* ori_scan,
+ int Bpp,
+ int span_left,
+ int span_len,
+ int span_top,
+ uint8_t cover_scan,
+ int clip_top,
+ int clip_left,
+ int clip_right,
+ uint8_t* clip_scan,
+ uint8_t* dest_extra_alpha_scan) {
+ dest_scan = (uint8_t*)m_pDevice->GetScanline(span_top) + (span_left << 2);
+ clip_scan = (uint8_t*)m_pClipMask->GetScanline(span_top - clip_top) -
+ clip_left + span_left;
+ int col_start = span_left < clip_left ? clip_left - span_left : 0;
+ int col_end =
+ (span_left + span_len) < clip_right ? span_len : (clip_right - span_left);
+ if (col_end < col_start)
+ return; // do nothing.
+ dest_scan += col_start << 2;
#if 1
- int src_alpha = m_Alpha * cover_scan / 255;
- for (int col = col_start; col < col_end; col ++) {
- int src_alpha1 = src_alpha * clip_scan[col] / 255;
- if (!src_alpha1) {
- dest_scan += 4;
- continue;
- }
- if (src_alpha1 == 255) {
- *(FX_DWORD*)dest_scan = m_Color;
- dest_scan += 4;
- } else {
- // Dest format: Rgb or Rgb32
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, src_alpha1);
- dest_scan ++;
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, src_alpha1);
- dest_scan ++;
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, src_alpha1);
- dest_scan += 2;
- }
- }
+ int src_alpha = m_Alpha * cover_scan / 255;
+ for (int col = col_start; col < col_end; col++) {
+ int src_alpha1 = src_alpha * clip_scan[col] / 255;
+ if (!src_alpha1) {
+ dest_scan += 4;
+ continue;
+ }
+ if (src_alpha1 == 255) {
+ *(FX_DWORD*)dest_scan = m_Color;
+ dest_scan += 4;
+ } else {
+ // Dest format: Rgb or Rgb32
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, src_alpha1);
+ dest_scan++;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, src_alpha1);
+ dest_scan++;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, src_alpha1);
+ dest_scan += 2;
+ }
+ }
#else
- if (m_bFullCover) {
- for (int col = col_start; col < col_end; col ++) {
- int src_alpha = m_Alpha * clip_scan[col] / 255;
- if (!src_alpha) {
- dest_scan += 4;
- continue;
- }
- if (src_alpha == 255) {
- *(FX_DWORD*)dest_scan = m_Color;
- dest_scan += 4;
- } else {
- // Dest format: Rgb or Rgb32
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, src_alpha);
- dest_scan ++;
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, src_alpha);
- dest_scan ++;
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, src_alpha);
- dest_scan += 2;
- }
- }
- } else {
- // Rgb32
- int src_alpha = m_Alpha * cover_scan / 255;
- for (int col = col_start; col < col_end; col ++) {
- int src_alpha1 = src_alpha * clip_scan[col] / 255;
- if (!src_alpha1) {
- dest_scan += 4;
- continue;
- }
- if (src_alpha1 == 255) {
- *(FX_DWORD*)dest_scan = m_Color;
- dest_scan += 4;
- } else {
- // Dest format: Rgb or Rgb32
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, src_alpha1);
- dest_scan ++;
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, src_alpha1);
- dest_scan ++;
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, src_alpha1);
- dest_scan += 2;
- }
- }
- }
-#endif
+ if (m_bFullCover) {
+ for (int col = col_start; col < col_end; col++) {
+ int src_alpha = m_Alpha * clip_scan[col] / 255;
+ if (!src_alpha) {
+ dest_scan += 4;
+ continue;
+ }
+ if (src_alpha == 255) {
+ *(FX_DWORD*)dest_scan = m_Color;
+ dest_scan += 4;
+ } else {
+ // Dest format: Rgb or Rgb32
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, src_alpha);
+ dest_scan++;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, src_alpha);
+ dest_scan++;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, src_alpha);
+ dest_scan += 2;
+ }
}
- void CFX_SkiaRenderer::CompositeSpanRGB32_7(uint8_t* dest_scan, uint8_t* ori_scan,int Bpp,
- int span_left, int span_len, int span_top, uint8_t cover_scan,
- int clip_top, int clip_left, int clip_right, uint8_t* clip_scan,
- uint8_t* dest_extra_alpha_scan)
- {
- ASSERT(!m_pDevice->IsCmykImage());
- dest_scan = (uint8_t*)m_pDevice->GetScanline(span_top) + (span_left<<2);
- ori_scan = (uint8_t*)m_pOriDevice->GetScanline(span_top) + (span_left<<2);
- clip_scan = (uint8_t*)m_pClipMask->GetScanline(span_top-clip_top) - clip_left + span_left;
- int col_start = span_left < clip_left ? clip_left - span_left : 0;
- int col_end = (span_left + span_len) < clip_right ? span_len : (clip_right - span_left);
- if (col_end < col_start) return; // do nothing.
- dest_scan += col_start << 2;
- ori_scan += col_start << 2;
+ } else {
+ // Rgb32
+ int src_alpha = m_Alpha * cover_scan / 255;
+ for (int col = col_start; col < col_end; col++) {
+ int src_alpha1 = src_alpha * clip_scan[col] / 255;
+ if (!src_alpha1) {
+ dest_scan += 4;
+ continue;
+ }
+ if (src_alpha1 == 255) {
+ *(FX_DWORD*)dest_scan = m_Color;
+ dest_scan += 4;
+ } else {
+ // Dest format: Rgb or Rgb32
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, src_alpha1);
+ dest_scan++;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, src_alpha1);
+ dest_scan++;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, src_alpha1);
+ dest_scan += 2;
+ }
+ }
+ }
+#endif
+}
+void CFX_SkiaRenderer::CompositeSpanRGB32_7(uint8_t* dest_scan,
+ uint8_t* ori_scan,
+ int Bpp,
+ int span_left,
+ int span_len,
+ int span_top,
+ uint8_t cover_scan,
+ int clip_top,
+ int clip_left,
+ int clip_right,
+ uint8_t* clip_scan,
+ uint8_t* dest_extra_alpha_scan) {
+ ASSERT(!m_pDevice->IsCmykImage());
+ dest_scan = (uint8_t*)m_pDevice->GetScanline(span_top) + (span_left << 2);
+ ori_scan = (uint8_t*)m_pOriDevice->GetScanline(span_top) + (span_left << 2);
+ clip_scan = (uint8_t*)m_pClipMask->GetScanline(span_top - clip_top) -
+ clip_left + span_left;
+ int col_start = span_left < clip_left ? clip_left - span_left : 0;
+ int col_end =
+ (span_left + span_len) < clip_right ? span_len : (clip_right - span_left);
+ if (col_end < col_start)
+ return; // do nothing.
+ dest_scan += col_start << 2;
+ ori_scan += col_start << 2;
#if 1
- for (int col = col_start; col < col_end; col ++) {
- int src_alpha = m_Alpha * clip_scan[col] / 255;
- if (src_alpha == 255 && cover_scan == 255) {
- *(FX_DWORD*)dest_scan = m_Color;
- dest_scan += 4;
- ori_scan += 4;
- continue;
- }
- int b = FXDIB_ALPHA_MERGE(*ori_scan++, m_Blue, src_alpha);
- int g = FXDIB_ALPHA_MERGE(*ori_scan++, m_Green, src_alpha);
- int r = FXDIB_ALPHA_MERGE(*ori_scan, m_Red, src_alpha);
- ori_scan += 2;
- *dest_scan = FXDIB_ALPHA_MERGE( *dest_scan, b, cover_scan);
- dest_scan ++;
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, g, cover_scan);
- dest_scan ++;
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, r, cover_scan);
- dest_scan += 2;
- }
+ for (int col = col_start; col < col_end; col++) {
+ int src_alpha = m_Alpha * clip_scan[col] / 255;
+ if (src_alpha == 255 && cover_scan == 255) {
+ *(FX_DWORD*)dest_scan = m_Color;
+ dest_scan += 4;
+ ori_scan += 4;
+ continue;
+ }
+ int b = FXDIB_ALPHA_MERGE(*ori_scan++, m_Blue, src_alpha);
+ int g = FXDIB_ALPHA_MERGE(*ori_scan++, m_Green, src_alpha);
+ int r = FXDIB_ALPHA_MERGE(*ori_scan, m_Red, src_alpha);
+ ori_scan += 2;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, b, cover_scan);
+ dest_scan++;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, g, cover_scan);
+ dest_scan++;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, r, cover_scan);
+ dest_scan += 2;
+ }
#else
- if (m_bFullCover) {
- for (int col = col_start; col < col_end; col ++) {
- int src_alpha = m_Alpha * clip_scan[col] / 255;
- if (!src_alpha) {
- *(FX_DWORD*)dest_scan = *(FX_DWORD*)ori_scan;
- dest_scan += 4;
- ori_scan += 4;
- continue;
- }
- if (src_alpha == 255) {
- *(FX_DWORD*)dest_scan = m_Color;
- dest_scan += 4;
- ori_scan += 4;
- continue;
- }
- *dest_scan++ = FXDIB_ALPHA_MERGE(*ori_scan++, m_Blue, src_alpha);
- *dest_scan++ = FXDIB_ALPHA_MERGE(*ori_scan++, m_Green, src_alpha);
- *dest_scan = FXDIB_ALPHA_MERGE(*ori_scan, m_Red, src_alpha);
- dest_scan += 2; ori_scan += 2;
- }
- } else {
- for (int col = col_start; col < col_end; col ++) {
- int src_alpha = m_Alpha * clip_scan[col] / 255;
- if (src_alpha == 255 && cover_scan == 255) {
- *(FX_DWORD*)dest_scan = m_Color;
- dest_scan += 4;
- ori_scan += 4;
- continue;
- }
- int b = FXDIB_ALPHA_MERGE(*ori_scan++, m_Blue, src_alpha);
- int g = FXDIB_ALPHA_MERGE(*ori_scan++, m_Green, src_alpha);
- int r = FXDIB_ALPHA_MERGE(*ori_scan, m_Red, src_alpha);
- ori_scan += 2;
- *dest_scan = FXDIB_ALPHA_MERGE( *dest_scan, b, cover_scan);
- dest_scan ++;
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, g, cover_scan);
- dest_scan ++;
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, r, cover_scan);
- dest_scan += 2;
- }
- }
-#endif
+ if (m_bFullCover) {
+ for (int col = col_start; col < col_end; col++) {
+ int src_alpha = m_Alpha * clip_scan[col] / 255;
+ if (!src_alpha) {
+ *(FX_DWORD*)dest_scan = *(FX_DWORD*)ori_scan;
+ dest_scan += 4;
+ ori_scan += 4;
+ continue;
+ }
+ if (src_alpha == 255) {
+ *(FX_DWORD*)dest_scan = m_Color;
+ dest_scan += 4;
+ ori_scan += 4;
+ continue;
+ }
+ *dest_scan++ = FXDIB_ALPHA_MERGE(*ori_scan++, m_Blue, src_alpha);
+ *dest_scan++ = FXDIB_ALPHA_MERGE(*ori_scan++, m_Green, src_alpha);
+ *dest_scan = FXDIB_ALPHA_MERGE(*ori_scan, m_Red, src_alpha);
+ dest_scan += 2;
+ ori_scan += 2;
}
- /*-----------------------------------------------------------------------------------------------------*/
- void CFX_SkiaRenderer::CompositeSpanRGB24_2(uint8_t* dest_scan, uint8_t* ori_scan,int Bpp,
- int span_left, int span_len, int span_top, uint8_t cover_scan,
- int clip_top, int clip_left, int clip_right, uint8_t* clip_scan,
- uint8_t* dest_extra_alpha_scan)
- {
- dest_scan = (uint8_t*)m_pDevice->GetScanline(span_top) + span_left + (span_left<<1);
- int col_start = span_left < clip_left ? clip_left - span_left : 0;
- int col_end = (span_left + span_len) < clip_right ? span_len : (clip_right - span_left);
- if (col_end < col_start) return; // do nothing.
- dest_scan += (col_start<<1)+col_start;
- int src_alpha;
+ } else {
+ for (int col = col_start; col < col_end; col++) {
+ int src_alpha = m_Alpha * clip_scan[col] / 255;
+ if (src_alpha == 255 && cover_scan == 255) {
+ *(FX_DWORD*)dest_scan = m_Color;
+ dest_scan += 4;
+ ori_scan += 4;
+ continue;
+ }
+ int b = FXDIB_ALPHA_MERGE(*ori_scan++, m_Blue, src_alpha);
+ int g = FXDIB_ALPHA_MERGE(*ori_scan++, m_Green, src_alpha);
+ int r = FXDIB_ALPHA_MERGE(*ori_scan, m_Red, src_alpha);
+ ori_scan += 2;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, b, cover_scan);
+ dest_scan++;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, g, cover_scan);
+ dest_scan++;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, r, cover_scan);
+ dest_scan += 2;
+ }
+ }
+#endif
+}
+/*-----------------------------------------------------------------------------------------------------*/
+void CFX_SkiaRenderer::CompositeSpanRGB24_2(uint8_t* dest_scan,
+ uint8_t* ori_scan,
+ int Bpp,
+ int span_left,
+ int span_len,
+ int span_top,
+ uint8_t cover_scan,
+ int clip_top,
+ int clip_left,
+ int clip_right,
+ uint8_t* clip_scan,
+ uint8_t* dest_extra_alpha_scan) {
+ dest_scan =
+ (uint8_t*)m_pDevice->GetScanline(span_top) + span_left + (span_left << 1);
+ int col_start = span_left < clip_left ? clip_left - span_left : 0;
+ int col_end =
+ (span_left + span_len) < clip_right ? span_len : (clip_right - span_left);
+ if (col_end < col_start)
+ return; // do nothing.
+ dest_scan += (col_start << 1) + col_start;
+ int src_alpha;
#if 0
if (m_bFullCover)
src_alpha = m_Alpha;
else
#endif
- src_alpha = m_Alpha * cover_scan / 255;
- if (src_alpha == 255) {
- for (int col = col_start; col < col_end; col ++) {
- *dest_scan++ = m_Blue;
- *dest_scan++ = m_Green;
- *dest_scan++ = m_Red;
- }
- return;
- }
- for (int col = col_start; col < col_end; col ++) {
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, src_alpha);
- dest_scan ++;
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, src_alpha);
- dest_scan ++;
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, src_alpha);
- dest_scan ++;
- }
+ src_alpha = m_Alpha * cover_scan / 255;
+ if (src_alpha == 255) {
+ for (int col = col_start; col < col_end; col++) {
+ *dest_scan++ = m_Blue;
+ *dest_scan++ = m_Green;
+ *dest_scan++ = m_Red;
}
- void CFX_SkiaRenderer::CompositeSpanRGB24_3(uint8_t* dest_scan, uint8_t* ori_scan,int Bpp,
- int span_left, int span_len, int span_top, uint8_t cover_scan,
- int clip_top, int clip_left, int clip_right, uint8_t* clip_scan,
- uint8_t* dest_extra_alpha_scan)
- {
- ASSERT(!m_pDevice->IsCmykImage());
- dest_scan = (uint8_t*)m_pDevice->GetScanline(span_top) + span_left + (span_left<<1);
- ori_scan = (uint8_t*)m_pOriDevice->GetScanline(span_top) + span_left + (span_left<<1);
- int col_start = span_left < clip_left ? clip_left - span_left : 0;
- int col_end = (span_left + span_len) < clip_right ? span_len : (clip_right - span_left);
- if (col_end < col_start) return; // do nothing.
- dest_scan += (col_start<<1) + col_start;
- ori_scan += (col_start<<1) + col_start;
- if (m_Alpha == 255&&cover_scan == 255) {
- for (int col = col_start; col < col_end; col ++) {
- *dest_scan ++ = m_Blue;
- *dest_scan ++ = m_Green;
- *dest_scan ++ = m_Red;
- }
- return;
- }
- for (int col = col_start; col < col_end; col ++) {
+ return;
+ }
+ for (int col = col_start; col < col_end; col++) {
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, src_alpha);
+ dest_scan++;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, src_alpha);
+ dest_scan++;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, src_alpha);
+ dest_scan++;
+ }
+}
+void CFX_SkiaRenderer::CompositeSpanRGB24_3(uint8_t* dest_scan,
+ uint8_t* ori_scan,
+ int Bpp,
+ int span_left,
+ int span_len,
+ int span_top,
+ uint8_t cover_scan,
+ int clip_top,
+ int clip_left,
+ int clip_right,
+ uint8_t* clip_scan,
+ uint8_t* dest_extra_alpha_scan) {
+ ASSERT(!m_pDevice->IsCmykImage());
+ dest_scan =
+ (uint8_t*)m_pDevice->GetScanline(span_top) + span_left + (span_left << 1);
+ ori_scan = (uint8_t*)m_pOriDevice->GetScanline(span_top) + span_left +
+ (span_left << 1);
+ int col_start = span_left < clip_left ? clip_left - span_left : 0;
+ int col_end =
+ (span_left + span_len) < clip_right ? span_len : (clip_right - span_left);
+ if (col_end < col_start)
+ return; // do nothing.
+ dest_scan += (col_start << 1) + col_start;
+ ori_scan += (col_start << 1) + col_start;
+ if (m_Alpha == 255 && cover_scan == 255) {
+ for (int col = col_start; col < col_end; col++) {
+ *dest_scan++ = m_Blue;
+ *dest_scan++ = m_Green;
+ *dest_scan++ = m_Red;
+ }
+ return;
+ }
+ for (int col = col_start; col < col_end; col++) {
#if 0
if (m_bFullCover) {
*dest_scan++ = FXDIB_ALPHA_MERGE(*ori_scan++, m_Blue, m_Alpha);
@@ -848,762 +1015,834 @@
continue;
}
#endif
- int b = FXDIB_ALPHA_MERGE(*ori_scan++, m_Blue, m_Alpha);
- int g = FXDIB_ALPHA_MERGE(*ori_scan++, m_Green, m_Alpha);
- int r = FXDIB_ALPHA_MERGE(*ori_scan++, m_Red, m_Alpha);
- *dest_scan = FXDIB_ALPHA_MERGE( *dest_scan, b, cover_scan);
- dest_scan ++;
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, g, cover_scan);
- dest_scan ++;
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, r, cover_scan);
- dest_scan ++;
- }
- }
- void CFX_SkiaRenderer::CompositeSpanRGB24_6(uint8_t* dest_scan, uint8_t* ori_scan,int Bpp,
- int span_left, int span_len, int span_top, uint8_t cover_scan,
- int clip_top, int clip_left, int clip_right, uint8_t* clip_scan,
- uint8_t* dest_extra_alpha_scan)
- {
- dest_scan = (uint8_t*)m_pDevice->GetScanline(span_top) + span_left+(span_left<<1);
- clip_scan = (uint8_t*)m_pClipMask->GetScanline(span_top-clip_top) - clip_left + span_left;
- int col_start = span_left < clip_left ? clip_left - span_left : 0;
- int col_end = (span_left + span_len) < clip_right ? span_len : (clip_right - span_left);
- if (col_end < col_start) return; // do nothing.
- dest_scan += col_start + (col_start << 1);
+ int b = FXDIB_ALPHA_MERGE(*ori_scan++, m_Blue, m_Alpha);
+ int g = FXDIB_ALPHA_MERGE(*ori_scan++, m_Green, m_Alpha);
+ int r = FXDIB_ALPHA_MERGE(*ori_scan++, m_Red, m_Alpha);
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, b, cover_scan);
+ dest_scan++;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, g, cover_scan);
+ dest_scan++;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, r, cover_scan);
+ dest_scan++;
+ }
+}
+void CFX_SkiaRenderer::CompositeSpanRGB24_6(uint8_t* dest_scan,
+ uint8_t* ori_scan,
+ int Bpp,
+ int span_left,
+ int span_len,
+ int span_top,
+ uint8_t cover_scan,
+ int clip_top,
+ int clip_left,
+ int clip_right,
+ uint8_t* clip_scan,
+ uint8_t* dest_extra_alpha_scan) {
+ dest_scan =
+ (uint8_t*)m_pDevice->GetScanline(span_top) + span_left + (span_left << 1);
+ clip_scan = (uint8_t*)m_pClipMask->GetScanline(span_top - clip_top) -
+ clip_left + span_left;
+ int col_start = span_left < clip_left ? clip_left - span_left : 0;
+ int col_end =
+ (span_left + span_len) < clip_right ? span_len : (clip_right - span_left);
+ if (col_end < col_start)
+ return; // do nothing.
+ dest_scan += col_start + (col_start << 1);
#if 1
- int src_alpha = m_Alpha * cover_scan /255;
- for (int col = col_start; col < col_end; col ++) {
- int src_alpha1 = src_alpha * clip_scan[col] / 255;
- if (!src_alpha1) {
- dest_scan += 3;
- continue;
- }
- if (src_alpha1 == 255) {
- *dest_scan++ = m_Blue;
- *dest_scan++ = m_Green;
- *dest_scan++ = m_Red;
- } else {
- // Dest format: Rgb
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, src_alpha1);
- dest_scan ++;
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, src_alpha1);
- dest_scan ++;
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, src_alpha1);
- dest_scan ++;
- }
- }
+ int src_alpha = m_Alpha * cover_scan / 255;
+ for (int col = col_start; col < col_end; col++) {
+ int src_alpha1 = src_alpha * clip_scan[col] / 255;
+ if (!src_alpha1) {
+ dest_scan += 3;
+ continue;
+ }
+ if (src_alpha1 == 255) {
+ *dest_scan++ = m_Blue;
+ *dest_scan++ = m_Green;
+ *dest_scan++ = m_Red;
+ } else {
+ // Dest format: Rgb
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, src_alpha1);
+ dest_scan++;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, src_alpha1);
+ dest_scan++;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, src_alpha1);
+ dest_scan++;
+ }
+ }
#else
- if (m_bFullCover) {
- for (int col = col_start; col < col_end; col ++) {
- int src_alpha = m_Alpha * clip_scan[col] / 255;
- if (!src_alpha) {
- dest_scan += 3;
- continue;
- }
- if (src_alpha == 255) {
- *dest_scan++ = m_Blue;
- *dest_scan++ = m_Green;
- *dest_scan++ = m_Red;
- } else {
- // Dest format: Rgb
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, src_alpha);
- dest_scan ++;
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, src_alpha);
- dest_scan ++;
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, src_alpha);
- dest_scan ++;
- }
- }
- } else {
- int src_alpha = m_Alpha * cover_scan /255;
- for (int col = col_start; col < col_end; col ++) {
- int src_alpha1 = src_alpha * clip_scan[col] / 255;
- if (!src_alpha1) {
- dest_scan += 3;
- continue;
- }
- if (src_alpha1 == 255) {
- *dest_scan++ = m_Blue;
- *dest_scan++ = m_Green;
- *dest_scan++ = m_Red;
- } else {
- // Dest format: Rgb
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, src_alpha1);
- dest_scan ++;
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, src_alpha1);
- dest_scan ++;
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, src_alpha1);
- dest_scan ++;
- }
- }
- }
-#endif
+ if (m_bFullCover) {
+ for (int col = col_start; col < col_end; col++) {
+ int src_alpha = m_Alpha * clip_scan[col] / 255;
+ if (!src_alpha) {
+ dest_scan += 3;
+ continue;
+ }
+ if (src_alpha == 255) {
+ *dest_scan++ = m_Blue;
+ *dest_scan++ = m_Green;
+ *dest_scan++ = m_Red;
+ } else {
+ // Dest format: Rgb
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, src_alpha);
+ dest_scan++;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, src_alpha);
+ dest_scan++;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, src_alpha);
+ dest_scan++;
+ }
}
- void CFX_SkiaRenderer::CompositeSpanRGB24_7(uint8_t* dest_scan, uint8_t* ori_scan,int Bpp,
- int span_left, int span_len, int span_top, uint8_t cover_scan,
- int clip_top, int clip_left, int clip_right, uint8_t* clip_scan,
- uint8_t* dest_extra_alpha_scan)
- {
- ASSERT(!m_pDevice->IsCmykImage());
- dest_scan = (uint8_t*)m_pDevice->GetScanline(span_top) + span_left+(span_left<<1);
- ori_scan = (uint8_t*)m_pOriDevice->GetScanline(span_top) + span_left+(span_left<<1);
- clip_scan = (uint8_t*)m_pClipMask->GetScanline(span_top-clip_top) - clip_left + span_left;
- int col_start = span_left < clip_left ? clip_left - span_left : 0;
- int col_end = (span_left + span_len) < clip_right ? span_len : (clip_right - span_left);
- if (col_end < col_start) return; // do nothing.
- dest_scan += col_start + (col_start<<1);
- ori_scan += col_start + (col_start<<1);
+ } else {
+ int src_alpha = m_Alpha * cover_scan / 255;
+ for (int col = col_start; col < col_end; col++) {
+ int src_alpha1 = src_alpha * clip_scan[col] / 255;
+ if (!src_alpha1) {
+ dest_scan += 3;
+ continue;
+ }
+ if (src_alpha1 == 255) {
+ *dest_scan++ = m_Blue;
+ *dest_scan++ = m_Green;
+ *dest_scan++ = m_Red;
+ } else {
+ // Dest format: Rgb
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, src_alpha1);
+ dest_scan++;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, src_alpha1);
+ dest_scan++;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, src_alpha1);
+ dest_scan++;
+ }
+ }
+ }
+#endif
+}
+void CFX_SkiaRenderer::CompositeSpanRGB24_7(uint8_t* dest_scan,
+ uint8_t* ori_scan,
+ int Bpp,
+ int span_left,
+ int span_len,
+ int span_top,
+ uint8_t cover_scan,
+ int clip_top,
+ int clip_left,
+ int clip_right,
+ uint8_t* clip_scan,
+ uint8_t* dest_extra_alpha_scan) {
+ ASSERT(!m_pDevice->IsCmykImage());
+ dest_scan =
+ (uint8_t*)m_pDevice->GetScanline(span_top) + span_left + (span_left << 1);
+ ori_scan = (uint8_t*)m_pOriDevice->GetScanline(span_top) + span_left +
+ (span_left << 1);
+ clip_scan = (uint8_t*)m_pClipMask->GetScanline(span_top - clip_top) -
+ clip_left + span_left;
+ int col_start = span_left < clip_left ? clip_left - span_left : 0;
+ int col_end =
+ (span_left + span_len) < clip_right ? span_len : (clip_right - span_left);
+ if (col_end < col_start)
+ return; // do nothing.
+ dest_scan += col_start + (col_start << 1);
+ ori_scan += col_start + (col_start << 1);
#if 1
- for (int col = col_start; col < col_end; col ++) {
- int src_alpha = m_Alpha * clip_scan[col] / 255;
- if (src_alpha == 255 && cover_scan == 255) {
- *dest_scan++ = m_Blue;
- *dest_scan++ = m_Green;
- *dest_scan++ = m_Red;
- ori_scan += 3;
- continue;
- }
- int b = FXDIB_ALPHA_MERGE(*ori_scan++, m_Blue, src_alpha);
- int g = FXDIB_ALPHA_MERGE(*ori_scan++, m_Green, src_alpha);
- int r = FXDIB_ALPHA_MERGE(*ori_scan++, m_Red, src_alpha);
- *dest_scan = FXDIB_ALPHA_MERGE( *dest_scan, b, cover_scan);
- dest_scan ++;
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, g, cover_scan);
- dest_scan ++;
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, r, cover_scan);
- dest_scan ++;
- }
+ for (int col = col_start; col < col_end; col++) {
+ int src_alpha = m_Alpha * clip_scan[col] / 255;
+ if (src_alpha == 255 && cover_scan == 255) {
+ *dest_scan++ = m_Blue;
+ *dest_scan++ = m_Green;
+ *dest_scan++ = m_Red;
+ ori_scan += 3;
+ continue;
+ }
+ int b = FXDIB_ALPHA_MERGE(*ori_scan++, m_Blue, src_alpha);
+ int g = FXDIB_ALPHA_MERGE(*ori_scan++, m_Green, src_alpha);
+ int r = FXDIB_ALPHA_MERGE(*ori_scan++, m_Red, src_alpha);
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, b, cover_scan);
+ dest_scan++;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, g, cover_scan);
+ dest_scan++;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, r, cover_scan);
+ dest_scan++;
+ }
#else
- if (m_bFullCover) {
- for (int col = col_start; col < col_end; col ++) {
- int src_alpha = m_Alpha * clip_scan[col] / 255;
- if (!src_alpha){
- *dest_scan++ = *ori_scan++;
- *dest_scan++ = *ori_scan++;
- *dest_scan++ = *ori_scan++;
- continue;
- }
- if (src_alpha == 255){
- *dest_scan++ = m_Blue;
- *dest_scan++ = m_Green;
- *dest_scan++ = m_Red;
- ori_scan += 3;
- continue;
- }
- *dest_scan++ = FXDIB_ALPHA_MERGE(*ori_scan++, m_Blue, src_alpha);
- *dest_scan++ = FXDIB_ALPHA_MERGE(*ori_scan++, m_Green, src_alpha);
- *dest_scan++ = FXDIB_ALPHA_MERGE(*ori_scan++, m_Red, src_alpha);
- }
- } else {
- for (int col = col_start; col < col_end; col ++) {
- int src_alpha = m_Alpha * clip_scan[col] / 255;
- if (src_alpha == 255 && cover_scan == 255) {
- *dest_scan++ = m_Blue;
- *dest_scan++ = m_Green;
- *dest_scan++ = m_Red;
- ori_scan += 3;
- continue;
- }
- int b = FXDIB_ALPHA_MERGE(*ori_scan++, m_Blue, src_alpha);
- int g = FXDIB_ALPHA_MERGE(*ori_scan++, m_Green, src_alpha);
- int r = FXDIB_ALPHA_MERGE(*ori_scan++, m_Red, src_alpha);
- *dest_scan = FXDIB_ALPHA_MERGE( *dest_scan, b, cover_scan);
- dest_scan ++;
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, g, cover_scan);
- dest_scan ++;
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, r, cover_scan);
- dest_scan ++;
- }
- }
-#endif
+ if (m_bFullCover) {
+ for (int col = col_start; col < col_end; col++) {
+ int src_alpha = m_Alpha * clip_scan[col] / 255;
+ if (!src_alpha) {
+ *dest_scan++ = *ori_scan++;
+ *dest_scan++ = *ori_scan++;
+ *dest_scan++ = *ori_scan++;
+ continue;
+ }
+ if (src_alpha == 255) {
+ *dest_scan++ = m_Blue;
+ *dest_scan++ = m_Green;
+ *dest_scan++ = m_Red;
+ ori_scan += 3;
+ continue;
+ }
+ *dest_scan++ = FXDIB_ALPHA_MERGE(*ori_scan++, m_Blue, src_alpha);
+ *dest_scan++ = FXDIB_ALPHA_MERGE(*ori_scan++, m_Green, src_alpha);
+ *dest_scan++ = FXDIB_ALPHA_MERGE(*ori_scan++, m_Red, src_alpha);
}
- void CFX_SkiaRenderer::CompositeSpanRGB24_10(uint8_t* dest_scan, uint8_t* ori_scan,int Bpp,
- int span_left, int span_len, int span_top, uint8_t cover_scan,
- int clip_top, int clip_left, int clip_right, uint8_t* clip_scan,
- uint8_t* dest_extra_alpha_scan)
- {
- dest_scan = (uint8_t*)m_pDevice->GetScanline(span_top) + span_left+(span_left<<1);
- dest_extra_alpha_scan = (uint8_t*)m_pDevice->m_pAlphaMask->GetScanline(span_top)+span_left;
- int col_start = span_left < clip_left ? clip_left - span_left : 0;
- int col_end = (span_left + span_len) < clip_right ? span_len : (clip_right - span_left);
- if (col_end < col_start) return; // do nothing.
- dest_scan += col_start+(col_start<<1);
+ } else {
+ for (int col = col_start; col < col_end; col++) {
+ int src_alpha = m_Alpha * clip_scan[col] / 255;
+ if (src_alpha == 255 && cover_scan == 255) {
+ *dest_scan++ = m_Blue;
+ *dest_scan++ = m_Green;
+ *dest_scan++ = m_Red;
+ ori_scan += 3;
+ continue;
+ }
+ int b = FXDIB_ALPHA_MERGE(*ori_scan++, m_Blue, src_alpha);
+ int g = FXDIB_ALPHA_MERGE(*ori_scan++, m_Green, src_alpha);
+ int r = FXDIB_ALPHA_MERGE(*ori_scan++, m_Red, src_alpha);
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, b, cover_scan);
+ dest_scan++;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, g, cover_scan);
+ dest_scan++;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, r, cover_scan);
+ dest_scan++;
+ }
+ }
+#endif
+}
+void CFX_SkiaRenderer::CompositeSpanRGB24_10(uint8_t* dest_scan,
+ uint8_t* ori_scan,
+ int Bpp,
+ int span_left,
+ int span_len,
+ int span_top,
+ uint8_t cover_scan,
+ int clip_top,
+ int clip_left,
+ int clip_right,
+ uint8_t* clip_scan,
+ uint8_t* dest_extra_alpha_scan) {
+ dest_scan =
+ (uint8_t*)m_pDevice->GetScanline(span_top) + span_left + (span_left << 1);
+ dest_extra_alpha_scan =
+ (uint8_t*)m_pDevice->m_pAlphaMask->GetScanline(span_top) + span_left;
+ int col_start = span_left < clip_left ? clip_left - span_left : 0;
+ int col_end =
+ (span_left + span_len) < clip_right ? span_len : (clip_right - span_left);
+ if (col_end < col_start)
+ return; // do nothing.
+ dest_scan += col_start + (col_start << 1);
#if 1
- if (m_Alpha == 255 && cover_scan == 255) {
- for (int col = col_start; col < col_end; col ++) {
- *dest_scan++ = (uint8_t)m_Blue;
- *dest_scan++ = (uint8_t)m_Green;
- *dest_scan++ = (uint8_t)m_Red;
- *dest_extra_alpha_scan++ = 255;
- }
- return;
- }
- int src_alpha = m_Alpha * cover_scan / 255;
- for (int col = col_start; col < col_end; col ++) {
- // Dest format: Rgba
- // calculate destination alpha (it's union of source and dest alpha)
- uint8_t dest_alpha = (*dest_extra_alpha_scan) + src_alpha -
- (*dest_extra_alpha_scan) * src_alpha / 255;
- *dest_extra_alpha_scan++ = dest_alpha;
- int alpha_ratio = src_alpha*255/dest_alpha;
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, alpha_ratio);
- dest_scan ++;
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, alpha_ratio);
- dest_scan ++;
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, alpha_ratio);
- dest_scan ++;
- }
+ if (m_Alpha == 255 && cover_scan == 255) {
+ for (int col = col_start; col < col_end; col++) {
+ *dest_scan++ = (uint8_t)m_Blue;
+ *dest_scan++ = (uint8_t)m_Green;
+ *dest_scan++ = (uint8_t)m_Red;
+ *dest_extra_alpha_scan++ = 255;
+ }
+ return;
+ }
+ int src_alpha = m_Alpha * cover_scan / 255;
+ for (int col = col_start; col < col_end; col++) {
+ // Dest format: Rgba
+ // calculate destination alpha (it's union of source and dest alpha)
+ uint8_t dest_alpha = (*dest_extra_alpha_scan) + src_alpha -
+ (*dest_extra_alpha_scan) * src_alpha / 255;
+ *dest_extra_alpha_scan++ = dest_alpha;
+ int alpha_ratio = src_alpha * 255 / dest_alpha;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, alpha_ratio);
+ dest_scan++;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, alpha_ratio);
+ dest_scan++;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, alpha_ratio);
+ dest_scan++;
+ }
#else
- if (m_bFullCover) {
- if (m_Alpha == 255) {
- for (int col = col_start; col < col_end; col ++) {
- *dest_scan++ = (uint8_t)m_Blue;
- *dest_scan++ = (uint8_t)m_Green;
- *dest_scan++ = (uint8_t)m_Red;
- *dest_extra_alpha_scan++ = 255;
- }
- return;
- }
- for (int col = col_start; col < col_end; col ++) {
- // Dest format: Rgba
- // calculate destination alpha (it's union of source and dest alpha)
- uint8_t dest_alpha = (*dest_extra_alpha_scan) + m_Alpha -
- (*dest_extra_alpha_scan) * m_Alpha / 255;
- *dest_extra_alpha_scan++ = dest_alpha;
- int alpha_ratio = m_Alpha*255/dest_alpha;
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, alpha_ratio);
- dest_scan ++;
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, alpha_ratio);
- dest_scan ++;
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, alpha_ratio);
- dest_scan ++;
- }
- } else {
- if (m_Alpha == 255 && cover_scan == 255) {
- for (int col = col_start; col < col_end; col ++) {
- *dest_scan++ = (uint8_t)m_Blue;
- *dest_scan++ = (uint8_t)m_Green;
- *dest_scan++ = (uint8_t)m_Red;
- *dest_extra_alpha_scan++ = 255;
- }
- return;
- }
- int src_alpha = m_Alpha * cover_scan / 255;
- for (int col = col_start; col < col_end; col ++) {
- // Dest format: Rgba
- // calculate destination alpha (it's union of source and dest alpha)
- uint8_t dest_alpha = (*dest_extra_alpha_scan) + src_alpha -
- (*dest_extra_alpha_scan) * src_alpha / 255;
- *dest_extra_alpha_scan++ = dest_alpha;
- int alpha_ratio = src_alpha*255/dest_alpha;
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, alpha_ratio);
- dest_scan ++;
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, alpha_ratio);
- dest_scan ++;
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, alpha_ratio);
- dest_scan ++;
- }
- }
-#endif
+ if (m_bFullCover) {
+ if (m_Alpha == 255) {
+ for (int col = col_start; col < col_end; col++) {
+ *dest_scan++ = (uint8_t)m_Blue;
+ *dest_scan++ = (uint8_t)m_Green;
+ *dest_scan++ = (uint8_t)m_Red;
+ *dest_extra_alpha_scan++ = 255;
+ }
+ return;
+ }
+ for (int col = col_start; col < col_end; col++) {
+ // Dest format: Rgba
+ // calculate destination alpha (it's union of source and dest alpha)
+ uint8_t dest_alpha = (*dest_extra_alpha_scan) + m_Alpha -
+ (*dest_extra_alpha_scan) * m_Alpha / 255;
+ *dest_extra_alpha_scan++ = dest_alpha;
+ int alpha_ratio = m_Alpha * 255 / dest_alpha;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, alpha_ratio);
+ dest_scan++;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, alpha_ratio);
+ dest_scan++;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, alpha_ratio);
+ dest_scan++;
}
- void CFX_SkiaRenderer::CompositeSpanRGB24_14(uint8_t* dest_scan, uint8_t* ori_scan,int Bpp,
- int span_left, int span_len, int span_top, uint8_t cover_scan,
- int clip_top, int clip_left, int clip_right, uint8_t* clip_scan,
- uint8_t* dest_extra_alpha_scan)
- {
- dest_scan = (uint8_t*)m_pDevice->GetScanline(span_top) + span_left+(span_left<<1);
- dest_extra_alpha_scan = (uint8_t*)m_pDevice->m_pAlphaMask->GetScanline(span_top)+span_left;
- clip_scan = (uint8_t*)m_pClipMask->GetScanline(span_top-clip_top) - clip_left + span_left;
- int col_start = span_left < clip_left ? clip_left - span_left : 0;
- int col_end = (span_left + span_len) < clip_right ? span_len : (clip_right - span_left);
- if (col_end < col_start) return; // do nothing.
- dest_scan += col_start + (col_start << 1);
+ } else {
+ if (m_Alpha == 255 && cover_scan == 255) {
+ for (int col = col_start; col < col_end; col++) {
+ *dest_scan++ = (uint8_t)m_Blue;
+ *dest_scan++ = (uint8_t)m_Green;
+ *dest_scan++ = (uint8_t)m_Red;
+ *dest_extra_alpha_scan++ = 255;
+ }
+ return;
+ }
+ int src_alpha = m_Alpha * cover_scan / 255;
+ for (int col = col_start; col < col_end; col++) {
+ // Dest format: Rgba
+ // calculate destination alpha (it's union of source and dest alpha)
+ uint8_t dest_alpha = (*dest_extra_alpha_scan) + src_alpha -
+ (*dest_extra_alpha_scan) * src_alpha / 255;
+ *dest_extra_alpha_scan++ = dest_alpha;
+ int alpha_ratio = src_alpha * 255 / dest_alpha;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, alpha_ratio);
+ dest_scan++;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, alpha_ratio);
+ dest_scan++;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, alpha_ratio);
+ dest_scan++;
+ }
+ }
+#endif
+}
+void CFX_SkiaRenderer::CompositeSpanRGB24_14(uint8_t* dest_scan,
+ uint8_t* ori_scan,
+ int Bpp,
+ int span_left,
+ int span_len,
+ int span_top,
+ uint8_t cover_scan,
+ int clip_top,
+ int clip_left,
+ int clip_right,
+ uint8_t* clip_scan,
+ uint8_t* dest_extra_alpha_scan) {
+ dest_scan =
+ (uint8_t*)m_pDevice->GetScanline(span_top) + span_left + (span_left << 1);
+ dest_extra_alpha_scan =
+ (uint8_t*)m_pDevice->m_pAlphaMask->GetScanline(span_top) + span_left;
+ clip_scan = (uint8_t*)m_pClipMask->GetScanline(span_top - clip_top) -
+ clip_left + span_left;
+ int col_start = span_left < clip_left ? clip_left - span_left : 0;
+ int col_end =
+ (span_left + span_len) < clip_right ? span_len : (clip_right - span_left);
+ if (col_end < col_start)
+ return; // do nothing.
+ dest_scan += col_start + (col_start << 1);
#if 1
- int src_alpha = m_Alpha * cover_scan / 255;
- for (int col = col_start; col < col_end; col ++) {
- int src_alpha1 = src_alpha * clip_scan[col] / 255;
- if (!src_alpha1) {
- dest_extra_alpha_scan++;
- dest_scan += 3;
- continue;
- }
- if (src_alpha1 == 255) {
- *dest_scan++ = (uint8_t)m_Blue;
- *dest_scan++ = (uint8_t)m_Green;
- *dest_scan++ = (uint8_t)m_Red;
- *dest_extra_alpha_scan++ = (uint8_t)m_Alpha;
- } else {
- // Dest format: Rgba
- // calculate destination alpha (it's union of source and dest alpha)
- uint8_t dest_alpha = (*dest_extra_alpha_scan) + src_alpha1 -
- (*dest_extra_alpha_scan) * src_alpha1 / 255;
- *dest_extra_alpha_scan++ = dest_alpha;
- int alpha_ratio = src_alpha1*255/dest_alpha;
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, alpha_ratio);
- dest_scan ++;
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, alpha_ratio);
- dest_scan ++;
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, alpha_ratio);
- dest_scan ++;
- }
- }
+ int src_alpha = m_Alpha * cover_scan / 255;
+ for (int col = col_start; col < col_end; col++) {
+ int src_alpha1 = src_alpha * clip_scan[col] / 255;
+ if (!src_alpha1) {
+ dest_extra_alpha_scan++;
+ dest_scan += 3;
+ continue;
+ }
+ if (src_alpha1 == 255) {
+ *dest_scan++ = (uint8_t)m_Blue;
+ *dest_scan++ = (uint8_t)m_Green;
+ *dest_scan++ = (uint8_t)m_Red;
+ *dest_extra_alpha_scan++ = (uint8_t)m_Alpha;
+ } else {
+ // Dest format: Rgba
+ // calculate destination alpha (it's union of source and dest alpha)
+ uint8_t dest_alpha = (*dest_extra_alpha_scan) + src_alpha1 -
+ (*dest_extra_alpha_scan) * src_alpha1 / 255;
+ *dest_extra_alpha_scan++ = dest_alpha;
+ int alpha_ratio = src_alpha1 * 255 / dest_alpha;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, alpha_ratio);
+ dest_scan++;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, alpha_ratio);
+ dest_scan++;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, alpha_ratio);
+ dest_scan++;
+ }
+ }
#else
- if (m_bFullCover) {
- for (int col = col_start; col < col_end; col ++) {
- int src_alpha = m_Alpha * clip_scan[col] / 255;
- if (!src_alpha) {
- dest_extra_alpha_scan++;
- dest_scan += 3;
- continue;
- }
- if (src_alpha == 255) {
- *dest_scan++ = (uint8_t)m_Blue;
- *dest_scan++ = (uint8_t)m_Green;
- *dest_scan++ = (uint8_t)m_Red;
- *dest_extra_alpha_scan++ = (uint8_t)m_Alpha;
- } else {
- // Dest format: Rgba
- // calculate destination alpha (it's union of source and dest alpha)
- uint8_t dest_alpha = (*dest_extra_alpha_scan) + src_alpha -
- (*dest_extra_alpha_scan) * src_alpha / 255;
- *dest_extra_alpha_scan++ = dest_alpha;
- int alpha_ratio = src_alpha*255/dest_alpha;
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, alpha_ratio);
- dest_scan ++;
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, alpha_ratio);
- dest_scan ++;
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, alpha_ratio);
- dest_scan ++;
- }
- }
- } else {
- int src_alpha = m_Alpha * cover_scan / 255;
- for (int col = col_start; col < col_end; col ++) {
- int src_alpha1 = m_Alpha * cover_scan * clip_scan[col] / 255;
- if (!src_alpha1) {
- dest_extra_alpha_scan++;
- dest_scan += 3;
- continue;
- }
- if (src_alpha1 == 255) {
- *dest_scan++ = (uint8_t)m_Blue;
- *dest_scan++ = (uint8_t)m_Green;
- *dest_scan++ = (uint8_t)m_Red;
- *dest_extra_alpha_scan++ = (uint8_t)m_Alpha;
- } else {
- // Dest format: Rgba
- // calculate destination alpha (it's union of source and dest alpha)
- uint8_t dest_alpha = (*dest_extra_alpha_scan) + src_alpha1 -
- (*dest_extra_alpha_scan) * src_alpha1 / 255;
- *dest_extra_alpha_scan++ = dest_alpha;
- int alpha_ratio = src_alpha1*255/dest_alpha;
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, alpha_ratio);
- dest_scan ++;
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, alpha_ratio);
- dest_scan ++;
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, alpha_ratio);
- dest_scan ++;
- }
- }
- }
-#endif
+ if (m_bFullCover) {
+ for (int col = col_start; col < col_end; col++) {
+ int src_alpha = m_Alpha * clip_scan[col] / 255;
+ if (!src_alpha) {
+ dest_extra_alpha_scan++;
+ dest_scan += 3;
+ continue;
+ }
+ if (src_alpha == 255) {
+ *dest_scan++ = (uint8_t)m_Blue;
+ *dest_scan++ = (uint8_t)m_Green;
+ *dest_scan++ = (uint8_t)m_Red;
+ *dest_extra_alpha_scan++ = (uint8_t)m_Alpha;
+ } else {
+ // Dest format: Rgba
+ // calculate destination alpha (it's union of source and dest alpha)
+ uint8_t dest_alpha = (*dest_extra_alpha_scan) + src_alpha -
+ (*dest_extra_alpha_scan) * src_alpha / 255;
+ *dest_extra_alpha_scan++ = dest_alpha;
+ int alpha_ratio = src_alpha * 255 / dest_alpha;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, alpha_ratio);
+ dest_scan++;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, alpha_ratio);
+ dest_scan++;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, alpha_ratio);
+ dest_scan++;
+ }
+ }
+ } else {
+ int src_alpha = m_Alpha * cover_scan / 255;
+ for (int col = col_start; col < col_end; col++) {
+ int src_alpha1 = m_Alpha * cover_scan * clip_scan[col] / 255;
+ if (!src_alpha1) {
+ dest_extra_alpha_scan++;
+ dest_scan += 3;
+ continue;
+ }
+ if (src_alpha1 == 255) {
+ *dest_scan++ = (uint8_t)m_Blue;
+ *dest_scan++ = (uint8_t)m_Green;
+ *dest_scan++ = (uint8_t)m_Red;
+ *dest_extra_alpha_scan++ = (uint8_t)m_Alpha;
+ } else {
+ // Dest format: Rgba
+ // calculate destination alpha (it's union of source and dest alpha)
+ uint8_t dest_alpha = (*dest_extra_alpha_scan) + src_alpha1 -
+ (*dest_extra_alpha_scan) * src_alpha1 / 255;
+ *dest_extra_alpha_scan++ = dest_alpha;
+ int alpha_ratio = src_alpha1 * 255 / dest_alpha;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, alpha_ratio);
+ dest_scan++;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, alpha_ratio);
+ dest_scan++;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, alpha_ratio);
+ dest_scan++;
+ }
}
- /*-----------------------------------------------------------------------------------------------------*/
+ }
+#endif
+}
+/*-----------------------------------------------------------------------------------------------------*/
- // A general alpha merge function (with clipping mask). Cmyka/Cmyk device.
- void CFX_SkiaRenderer::CompositeSpanCMYK(uint8_t* dest_scan, uint8_t* ori_scan,int Bpp,
- int span_left, int span_len, int span_top, uint8_t cover_scan,
- int clip_top, int clip_left, int clip_right, uint8_t* clip_scan,
- uint8_t* dest_extra_alpha_scan)
- {
- ASSERT(!m_bRgbByteOrder);
- // Cmyk(a)
- int col_start = span_left < clip_left ? clip_left - span_left : 0;
- int col_end = (span_left + span_len) < clip_right ? span_len : (clip_right - span_left);
- if (col_end < col_start) return; // do nothing.
- dest_scan += col_start * 4;
- Bpp; // for avoid compile warning.
+// A general alpha merge function (with clipping mask). Cmyka/Cmyk device.
+void CFX_SkiaRenderer::CompositeSpanCMYK(uint8_t* dest_scan,
+ uint8_t* ori_scan,
+ int Bpp,
+ int span_left,
+ int span_len,
+ int span_top,
+ uint8_t cover_scan,
+ int clip_top,
+ int clip_left,
+ int clip_right,
+ uint8_t* clip_scan,
+ uint8_t* dest_extra_alpha_scan) {
+ ASSERT(!m_bRgbByteOrder);
+ // Cmyk(a)
+ int col_start = span_left < clip_left ? clip_left - span_left : 0;
+ int col_end =
+ (span_left + span_len) < clip_right ? span_len : (clip_right - span_left);
+ if (col_end < col_start)
+ return; // do nothing.
+ dest_scan += col_start * 4;
+ Bpp; // for avoid compile warning.
- if (dest_extra_alpha_scan) {
- // CMYKa
- for (int col = col_start; col < col_end; col ++) {
- int src_alpha;
- if (m_bFullCover) {
- if (clip_scan)
- src_alpha = m_Alpha * clip_scan[col] / 255;
- else
- src_alpha = m_Alpha;
- } else {
- if (clip_scan)
- src_alpha = m_Alpha * cover_scan * clip_scan[col] / 255 / 255;
- else
- src_alpha = m_Alpha * cover_scan / 255;
- }
+ if (dest_extra_alpha_scan) {
+ // CMYKa
+ for (int col = col_start; col < col_end; col++) {
+ int src_alpha;
+ if (m_bFullCover) {
+ if (clip_scan)
+ src_alpha = m_Alpha * clip_scan[col] / 255;
+ else
+ src_alpha = m_Alpha;
+ } else {
+ if (clip_scan)
+ src_alpha = m_Alpha * cover_scan * clip_scan[col] / 255 / 255;
+ else
+ src_alpha = m_Alpha * cover_scan / 255;
+ }
- if (src_alpha) {
- if (src_alpha == 255) {
- *(FX_CMYK*)dest_scan = m_Color;
- *dest_extra_alpha_scan = (uint8_t)m_Alpha;
- } else {
- // Dest format: Cmyka
- // calculate destination alpha (it's union of source and dest alpha)
- uint8_t dest_alpha = (*dest_extra_alpha_scan) + src_alpha -
- (*dest_extra_alpha_scan) * src_alpha / 255;
- *dest_extra_alpha_scan++ = dest_alpha;
- int alpha_ratio = src_alpha*255/dest_alpha;
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, alpha_ratio);
- dest_scan ++;
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, alpha_ratio);
- dest_scan ++;
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, alpha_ratio);
- dest_scan ++;
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Gray, alpha_ratio);
- dest_scan ++;
- continue;
- }
- }
- dest_extra_alpha_scan++;
- dest_scan += 4;
- }
+ if (src_alpha) {
+ if (src_alpha == 255) {
+ *(FX_CMYK*)dest_scan = m_Color;
+ *dest_extra_alpha_scan = (uint8_t)m_Alpha;
} else {
- // CMYK
- for (int col = col_start; col < col_end; col ++) {
- int src_alpha;
- if (clip_scan)
- src_alpha = m_Alpha * cover_scan * clip_scan[col] / 255 / 255;
- else
- src_alpha = m_Alpha * cover_scan / 255;
-
- if (src_alpha) {
- if (src_alpha == 255) {
- *(FX_CMYK*)dest_scan = m_Color;
- } else {
- // Dest format: cmyk
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, src_alpha);
- dest_scan ++;
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, src_alpha);
- dest_scan ++;
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, src_alpha);
- dest_scan ++;
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Gray, src_alpha);
- dest_scan ++;
- continue;
- }
- }
- dest_scan += 4;
- }
+ // Dest format: Cmyka
+ // calculate destination alpha (it's union of source and dest alpha)
+ uint8_t dest_alpha = (*dest_extra_alpha_scan) + src_alpha -
+ (*dest_extra_alpha_scan) * src_alpha / 255;
+ *dest_extra_alpha_scan++ = dest_alpha;
+ int alpha_ratio = src_alpha * 255 / dest_alpha;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, alpha_ratio);
+ dest_scan++;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, alpha_ratio);
+ dest_scan++;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, alpha_ratio);
+ dest_scan++;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Gray, alpha_ratio);
+ dest_scan++;
+ continue;
}
+ }
+ dest_extra_alpha_scan++;
+ dest_scan += 4;
}
+ } else {
+ // CMYK
+ for (int col = col_start; col < col_end; col++) {
+ int src_alpha;
+ if (clip_scan)
+ src_alpha = m_Alpha * cover_scan * clip_scan[col] / 255 / 255;
+ else
+ src_alpha = m_Alpha * cover_scan / 255;
-
-
- //--------------------------------------------------------------------
- FX_BOOL CFX_SkiaRenderer::Init(CFX_DIBitmap* pDevice, CFX_DIBitmap* pOriDevice, const CFX_ClipRgn* pClipRgn, FX_DWORD color, FX_BOOL bFullCover, FX_BOOL bRgbByteOrder,
- int alpha_flag, void* pIccTransform) //The alpha flag must be fill_flag if exist.
- {
- m_pDevice = pDevice;
- m_pClipRgn = pClipRgn;
- m_bRgbByteOrder = bRgbByteOrder;
- m_pOriDevice = pOriDevice;
- m_pDestScan = NULL;
- m_pDestExtraAlphaScan = NULL;
- m_pOriScan = NULL;
- m_pClipScan = NULL;
- composite_span = NULL;
- if (m_pClipRgn)
- m_ClipBox = m_pClipRgn->GetBox();
- else {
- m_ClipBox.left = m_ClipBox.top = 0;
- m_ClipBox.right = m_pDevice->GetWidth();
- m_ClipBox.bottom = m_pDevice->GetHeight();
- }
- m_pClipMask = NULL;
- if (m_pClipRgn && m_pClipRgn->GetType() == CFX_ClipRgn::MaskF)
- {
- m_pClipMask = m_pClipRgn->GetMask();
- m_pClipScan = m_pClipMask->GetBuffer();
+ if (src_alpha) {
+ if (src_alpha == 255) {
+ *(FX_CMYK*)dest_scan = m_Color;
+ } else {
+ // Dest format: cmyk
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, src_alpha);
+ dest_scan++;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, src_alpha);
+ dest_scan++;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, src_alpha);
+ dest_scan++;
+ *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Gray, src_alpha);
+ dest_scan++;
+ continue;
}
- if (m_pDevice->m_pAlphaMask)
- m_pDestExtraAlphaScan = m_pDevice->m_pAlphaMask->GetBuffer();
- if (m_pOriDevice)
- m_pOriScan = m_pOriDevice->GetBuffer();
- m_pDestScan = m_pDevice->GetBuffer();
-
- m_bFullCover = bFullCover;
+ }
+ dest_scan += 4;
+ }
+ }
+}
- FX_BOOL bObjectCMYK = FXGETFLAG_COLORTYPE(alpha_flag);
- FX_BOOL bDeviceCMYK = pDevice->IsCmykImage();
+//--------------------------------------------------------------------
+FX_BOOL CFX_SkiaRenderer::Init(
+ CFX_DIBitmap* pDevice,
+ CFX_DIBitmap* pOriDevice,
+ const CFX_ClipRgn* pClipRgn,
+ FX_DWORD color,
+ FX_BOOL bFullCover,
+ FX_BOOL bRgbByteOrder,
+ int alpha_flag,
+ void* pIccTransform) // The alpha flag must be fill_flag if exist.
+{
+ m_pDevice = pDevice;
+ m_pClipRgn = pClipRgn;
+ m_bRgbByteOrder = bRgbByteOrder;
+ m_pOriDevice = pOriDevice;
+ m_pDestScan = NULL;
+ m_pDestExtraAlphaScan = NULL;
+ m_pOriScan = NULL;
+ m_pClipScan = NULL;
+ composite_span = NULL;
+ if (m_pClipRgn)
+ m_ClipBox = m_pClipRgn->GetBox();
+ else {
+ m_ClipBox.left = m_ClipBox.top = 0;
+ m_ClipBox.right = m_pDevice->GetWidth();
+ m_ClipBox.bottom = m_pDevice->GetHeight();
+ }
+ m_pClipMask = NULL;
+ if (m_pClipRgn && m_pClipRgn->GetType() == CFX_ClipRgn::MaskF) {
+ m_pClipMask = m_pClipRgn->GetMask();
+ m_pClipScan = m_pClipMask->GetBuffer();
+ }
+ if (m_pDevice->m_pAlphaMask)
+ m_pDestExtraAlphaScan = m_pDevice->m_pAlphaMask->GetBuffer();
+ if (m_pOriDevice)
+ m_pOriScan = m_pOriDevice->GetBuffer();
+ m_pDestScan = m_pDevice->GetBuffer();
- m_Alpha = bObjectCMYK ? FXGETFLAG_ALPHA_FILL(alpha_flag) : FXARGB_A(color);
+ m_bFullCover = bFullCover;
- ICodec_IccModule* pIccModule = NULL;
- // No lcms engine, we skip the transform
- if (!CFX_GEModule::Get()->GetCodecModule() || !CFX_GEModule::Get()->GetCodecModule()->GetIccModule())
- pIccTransform = NULL;
- else
- pIccModule = CFX_GEModule::Get()->GetCodecModule()->GetIccModule();
+ FX_BOOL bObjectCMYK = FXGETFLAG_COLORTYPE(alpha_flag);
+ FX_BOOL bDeviceCMYK = pDevice->IsCmykImage();
- if (m_pDevice->GetBPP() == 8) { // Gray(a) device
- ASSERT(!m_bRgbByteOrder);
- if (m_pDevice->IsAlphaMask()) {
- //Alpha Mask
- m_Gray = 255;
- } else {
- //Gray(a) device
- if (pIccTransform) {
- uint8_t gray;
- color = bObjectCMYK ? FXCMYK_TODIB(color) : FXARGB_TODIB(color);
- pIccModule->TranslateScanline(pIccTransform, &gray, (const uint8_t*)&color, 1);
- m_Gray = gray;
- } else {
- if (bObjectCMYK) {
- uint8_t r, g, b;
- AdobeCMYK_to_sRGB1(FXSYS_GetCValue(color), FXSYS_GetMValue(color), FXSYS_GetYValue(color), FXSYS_GetKValue(color),
- r, g, b);
- m_Gray = FXRGB2GRAY(r, g, b);
- } else {
- m_Gray = FXRGB2GRAY(FXARGB_R(color), FXARGB_G(color), FXARGB_B(color));
- }
- }
- }
- } else {
- if (bDeviceCMYK) { // Cmyk(a) Device
- ASSERT(!m_bRgbByteOrder);
- //TODO... opt for cmyk
- composite_span = &CFX_SkiaRenderer::CompositeSpanCMYK;
- if (bObjectCMYK) {
- m_Color = FXCMYK_TODIB(color);
- if (pIccTransform)
- pIccModule->TranslateScanline(pIccTransform, (uint8_t*)&m_Color, (const uint8_t*)&m_Color, 1);
- } else { // Object RGB
- if (!pIccTransform)
- return FALSE;
- color = FXARGB_TODIB(color);
- pIccModule->TranslateScanline(pIccTransform, (uint8_t*)&m_Color, (const uint8_t*)&color, 1);
- }
- m_Red = ((uint8_t*)&m_Color)[0];
- m_Green = ((uint8_t*)&m_Color)[1];
- m_Blue = ((uint8_t*)&m_Color)[2];
- m_Gray = ((uint8_t*)&m_Color)[3];
- return TRUE;
- }
- if (pIccTransform) {
- color = bObjectCMYK ? FXCMYK_TODIB(color) : FXARGB_TODIB(color);
- pIccModule->TranslateScanline(pIccTransform, (uint8_t*)&m_Color, (const uint8_t*)&color, 1);
- ((uint8_t*)&m_Color)[3] = m_Alpha;
- m_Red = ((uint8_t*)&m_Color)[2];
- m_Green = ((uint8_t*)&m_Color)[1];
- m_Blue = ((uint8_t*)&m_Color)[0];
- // Need Johnson to improvement it.
- if (m_bRgbByteOrder) {
- // swap
- m_Red = ((uint8_t*)&m_Color)[0];
- m_Blue = ((uint8_t*)&m_Color)[2];
- m_Color = FXARGB_TODIB(m_Color);
- m_Color = FXARGB_TOBGRORDERDIB(m_Color);
- }
- } else {
- if (bObjectCMYK) {
- uint8_t r, g, b;
- AdobeCMYK_to_sRGB1(FXSYS_GetCValue(color), FXSYS_GetMValue(color), FXSYS_GetYValue(color), FXSYS_GetKValue(color),
- r, g, b);
- m_Color = FXARGB_MAKE(m_Alpha, r, g, b);
- if (m_bRgbByteOrder){
- m_Color = FXARGB_TOBGRORDERDIB(m_Color);
- m_Red = b; m_Green = g; m_Blue = r;//
- }else {
- m_Color = FXARGB_TODIB(m_Color);
- m_Red = r; m_Green = g; m_Blue = b;//
- }
- } else {
- if (m_bRgbByteOrder){
- m_Color = FXARGB_TOBGRORDERDIB(color);
- ArgbDecode(color, m_Alpha, m_Blue, m_Green, m_Red); //
- }else {
- m_Color = FXARGB_TODIB(color);
- ArgbDecode(color, m_Alpha, m_Red, m_Green, m_Blue);
- }
- }
- }
- }
- // Get palette transparency selector
- m_ProcessFilter = (m_pOriDevice? 1 : 0) /* has Ori Device flag */
- + (m_pDevice->GetBPP() >= 8 ? 2 : 0) /* bpp flag */
- + (m_pClipMask? 4 : 0) /* has clip region flag */
- + (m_pDevice->m_pAlphaMask? 8 : 0); /* has Alpha Mask chanel flag */
- switch(m_ProcessFilter) {
- case 0:
- composite_span = &CFX_SkiaRenderer::CompositeSpan1bpp_0;
- break;
- case 2:
- {
- if (m_pDevice->GetBPP() == 8)
- composite_span = &CFX_SkiaRenderer::CompositeSpanGray_2;
- else if (m_pDevice->GetBPP() == 24)
- composite_span = &CFX_SkiaRenderer::CompositeSpanRGB24_2;
- else
- composite_span = m_pDevice->HasAlpha()?&CFX_SkiaRenderer::CompositeSpanARGB_2 : &CFX_SkiaRenderer::CompositeSpanRGB32_2;
- }
- break;
- case 3:
- {
- if (m_pDevice->GetBPP() == 8)
- composite_span = &CFX_SkiaRenderer::CompositeSpanGray_3;
- else if (m_pDevice->GetBPP() == 24)
- composite_span = &CFX_SkiaRenderer::CompositeSpanRGB24_3;
- else
- composite_span = m_pDevice->HasAlpha()?&CFX_SkiaRenderer::CompositeSpanARGB_3 : &CFX_SkiaRenderer::CompositeSpanRGB32_3;
- }
- break;
- case 4:
- composite_span = &CFX_SkiaRenderer::CompositeSpan1bpp_4;
- break;
- case 6:
- {
- if (m_pDevice->GetBPP() == 8)
- composite_span = &CFX_SkiaRenderer::CompositeSpanGray_6;
- else if (m_pDevice->GetBPP() == 24)
- composite_span = &CFX_SkiaRenderer::CompositeSpanRGB24_6;
- else
- composite_span = m_pDevice->HasAlpha()?&CFX_SkiaRenderer::CompositeSpanARGB_6 : &CFX_SkiaRenderer::CompositeSpanRGB32_6;
- }
- break;
- case 7:
- {
- if (m_pDevice->GetBPP() == 8)
- composite_span = &CFX_SkiaRenderer::CompositeSpanGray_7;
- else if (m_pDevice->GetBPP() == 24)
- composite_span = &CFX_SkiaRenderer::CompositeSpanRGB24_7;
- else
- composite_span = m_pDevice->HasAlpha()?&CFX_SkiaRenderer::CompositeSpanARGB_7 : &CFX_SkiaRenderer::CompositeSpanRGB32_7;
- }
- break;
- case 1:
- case 5:
- case 8:
- case 9:
- case 11:
- case 12:
- case 13:
- case 15:
- //TODO...
- break;
- case 10:
- composite_span = &CFX_SkiaRenderer::CompositeSpanRGB24_10;
- break;
- case 14:
- composite_span = &CFX_SkiaRenderer::CompositeSpanRGB24_14;
- break;
- }
- if (composite_span == NULL)
- return FALSE;
- return TRUE;
- }
+ m_Alpha = bObjectCMYK ? FXGETFLAG_ALPHA_FILL(alpha_flag) : FXARGB_A(color);
- /*----------------------------------------------------------------------------------------------------*/
- void CFX_SkiaA8Renderer::blitAntiH(int x, int y, const SkAlpha antialias[], const int16_t runs[])
- {
- FXSYS_assert(m_pDevice);
- int dst_y = y - m_Top;
- if (dst_y < 0 || dst_y >= m_pDevice->GetHeight())
- return;
+ ICodec_IccModule* pIccModule = NULL;
+ // No lcms engine, we skip the transform
+ if (!CFX_GEModule::Get()->GetCodecModule() ||
+ !CFX_GEModule::Get()->GetCodecModule()->GetIccModule())
+ pIccTransform = NULL;
+ else
+ pIccModule = CFX_GEModule::Get()->GetCodecModule()->GetIccModule();
- uint8_t* dest_scan = m_pDevice->GetBuffer() + m_pDevice->GetPitch() * dst_y;
- uint8_t* dest_pos = dest_scan;
- while (1)
- {
- if (x >= m_dstWidth)
- return;
- int width = runs[0];
- SkASSERT(width >= 0);
- if (width <= 0)
- return;
- unsigned aa = antialias[0];
- if (aa) {
- int col_start = x < m_Left ? 0 : x - m_Left;
- int col_end = x + width;
- col_end = col_end < m_dstWidth ? col_end - m_Left: m_pDevice->GetWidth();
- int result = col_end - col_start;
- if (result > 0) {
- dest_pos = dest_scan + col_start;
- if (result >= 4)
- FXSYS_memset(dest_pos, FXARGB_MAKE(aa, aa, aa, aa),result);
- else
- FXSYS_memset(dest_pos,aa,result);
- }
- }
- runs += width;
- antialias += width;
- x += width;
+ if (m_pDevice->GetBPP() == 8) { // Gray(a) device
+ ASSERT(!m_bRgbByteOrder);
+ if (m_pDevice->IsAlphaMask()) {
+ // Alpha Mask
+ m_Gray = 255;
+ } else {
+ // Gray(a) device
+ if (pIccTransform) {
+ uint8_t gray;
+ color = bObjectCMYK ? FXCMYK_TODIB(color) : FXARGB_TODIB(color);
+ pIccModule->TranslateScanline(pIccTransform, &gray,
+ (const uint8_t*)&color, 1);
+ m_Gray = gray;
+ } else {
+ if (bObjectCMYK) {
+ uint8_t r, g, b;
+ AdobeCMYK_to_sRGB1(FXSYS_GetCValue(color), FXSYS_GetMValue(color),
+ FXSYS_GetYValue(color), FXSYS_GetKValue(color), r,
+ g, b);
+ m_Gray = FXRGB2GRAY(r, g, b);
+ } else {
+ m_Gray =
+ FXRGB2GRAY(FXARGB_R(color), FXARGB_G(color), FXARGB_B(color));
}
+ }
}
- void CFX_SkiaA8Renderer::blitH(int x, int y, int width)
- {
- FXSYS_assert(m_pDevice);
- int dst_y = y - m_Top;
- if (dst_y < 0 || dst_y >= m_pDevice->GetHeight())
- return;
- if (x >= m_dstWidth)
- return;
- uint8_t* dest_scan = m_pDevice->GetBuffer() + m_pDevice->GetPitch() * dst_y;
- int col_start = x < m_Left ? 0 : x - m_Left;
- int col_end = x + width;
- col_end = col_end < m_dstWidth ? col_end - m_Left: m_pDevice->GetWidth();
- int result = col_end - col_start;
- if (result > 0) {
- uint8_t* dest_pos = dest_scan + col_start;
- if (result >= 4)
- FXSYS_memset(dest_pos, 0xffffffff,result);
- else
- FXSYS_memset(dest_pos,255,result);
- }
+ } else {
+ if (bDeviceCMYK) { // Cmyk(a) Device
+ ASSERT(!m_bRgbByteOrder);
+ // TODO... opt for cmyk
+ composite_span = &CFX_SkiaRenderer::CompositeSpanCMYK;
+ if (bObjectCMYK) {
+ m_Color = FXCMYK_TODIB(color);
+ if (pIccTransform)
+ pIccModule->TranslateScanline(pIccTransform, (uint8_t*)&m_Color,
+ (const uint8_t*)&m_Color, 1);
+ } else { // Object RGB
+ if (!pIccTransform)
+ return FALSE;
+ color = FXARGB_TODIB(color);
+ pIccModule->TranslateScanline(pIccTransform, (uint8_t*)&m_Color,
+ (const uint8_t*)&color, 1);
+ }
+ m_Red = ((uint8_t*)&m_Color)[0];
+ m_Green = ((uint8_t*)&m_Color)[1];
+ m_Blue = ((uint8_t*)&m_Color)[2];
+ m_Gray = ((uint8_t*)&m_Color)[3];
+ return TRUE;
}
- void CFX_SkiaA8Renderer::blitV(int x, int y, int height, SkAlpha alpha)
- {
- FXSYS_assert(alpha);
- if (alpha == 255) {
- blitRect(x, y, 1, height);
+ if (pIccTransform) {
+ color = bObjectCMYK ? FXCMYK_TODIB(color) : FXARGB_TODIB(color);
+ pIccModule->TranslateScanline(pIccTransform, (uint8_t*)&m_Color,
+ (const uint8_t*)&color, 1);
+ ((uint8_t*)&m_Color)[3] = m_Alpha;
+ m_Red = ((uint8_t*)&m_Color)[2];
+ m_Green = ((uint8_t*)&m_Color)[1];
+ m_Blue = ((uint8_t*)&m_Color)[0];
+ // Need Johnson to improvement it.
+ if (m_bRgbByteOrder) {
+ // swap
+ m_Red = ((uint8_t*)&m_Color)[0];
+ m_Blue = ((uint8_t*)&m_Color)[2];
+ m_Color = FXARGB_TODIB(m_Color);
+ m_Color = FXARGB_TOBGRORDERDIB(m_Color);
+ }
+ } else {
+ if (bObjectCMYK) {
+ uint8_t r, g, b;
+ AdobeCMYK_to_sRGB1(FXSYS_GetCValue(color), FXSYS_GetMValue(color),
+ FXSYS_GetYValue(color), FXSYS_GetKValue(color), r, g,
+ b);
+ m_Color = FXARGB_MAKE(m_Alpha, r, g, b);
+ if (m_bRgbByteOrder) {
+ m_Color = FXARGB_TOBGRORDERDIB(m_Color);
+ m_Red = b;
+ m_Green = g;
+ m_Blue = r; //
} else {
- int16_t runs[2];
- runs[0] = 1;
- runs[1] = 0;
- while (--height >= 0) {
- if (y >= m_dstHeight)
- return;
- blitAntiH(x, y ++, &alpha, runs);
- }
+ m_Color = FXARGB_TODIB(m_Color);
+ m_Red = r;
+ m_Green = g;
+ m_Blue = b; //
}
- }
- void CFX_SkiaA8Renderer::blitRect(int x, int y, int width, int height)
- {
- FXSYS_assert(m_pDevice);
- while (--height >= 0) {
- if (y >= m_dstHeight)
- return;
- blitH(x , y ++, width);
+ } else {
+ if (m_bRgbByteOrder) {
+ m_Color = FXARGB_TOBGRORDERDIB(color);
+ ArgbDecode(color, m_Alpha, m_Blue, m_Green, m_Red); //
+ } else {
+ m_Color = FXARGB_TODIB(color);
+ ArgbDecode(color, m_Alpha, m_Red, m_Green, m_Blue);
}
+ }
}
+ }
+ // Get palette transparency selector
+ m_ProcessFilter =
+ (m_pOriDevice ? 1 : 0) /* has Ori Device flag */
+ + (m_pDevice->GetBPP() >= 8 ? 2 : 0) /* bpp flag */
+ + (m_pClipMask ? 4 : 0) /* has clip region flag */
+ + (m_pDevice->m_pAlphaMask ? 8 : 0); /* has Alpha Mask chanel flag */
+ switch (m_ProcessFilter) {
+ case 0:
+ composite_span = &CFX_SkiaRenderer::CompositeSpan1bpp_0;
+ break;
+ case 2: {
+ if (m_pDevice->GetBPP() == 8)
+ composite_span = &CFX_SkiaRenderer::CompositeSpanGray_2;
+ else if (m_pDevice->GetBPP() == 24)
+ composite_span = &CFX_SkiaRenderer::CompositeSpanRGB24_2;
+ else
+ composite_span = m_pDevice->HasAlpha()
+ ? &CFX_SkiaRenderer::CompositeSpanARGB_2
+ : &CFX_SkiaRenderer::CompositeSpanRGB32_2;
+ } break;
+ case 3: {
+ if (m_pDevice->GetBPP() == 8)
+ composite_span = &CFX_SkiaRenderer::CompositeSpanGray_3;
+ else if (m_pDevice->GetBPP() == 24)
+ composite_span = &CFX_SkiaRenderer::CompositeSpanRGB24_3;
+ else
+ composite_span = m_pDevice->HasAlpha()
+ ? &CFX_SkiaRenderer::CompositeSpanARGB_3
+ : &CFX_SkiaRenderer::CompositeSpanRGB32_3;
+ } break;
+ case 4:
+ composite_span = &CFX_SkiaRenderer::CompositeSpan1bpp_4;
+ break;
+ case 6: {
+ if (m_pDevice->GetBPP() == 8)
+ composite_span = &CFX_SkiaRenderer::CompositeSpanGray_6;
+ else if (m_pDevice->GetBPP() == 24)
+ composite_span = &CFX_SkiaRenderer::CompositeSpanRGB24_6;
+ else
+ composite_span = m_pDevice->HasAlpha()
+ ? &CFX_SkiaRenderer::CompositeSpanARGB_6
+ : &CFX_SkiaRenderer::CompositeSpanRGB32_6;
+ } break;
+ case 7: {
+ if (m_pDevice->GetBPP() == 8)
+ composite_span = &CFX_SkiaRenderer::CompositeSpanGray_7;
+ else if (m_pDevice->GetBPP() == 24)
+ composite_span = &CFX_SkiaRenderer::CompositeSpanRGB24_7;
+ else
+ composite_span = m_pDevice->HasAlpha()
+ ? &CFX_SkiaRenderer::CompositeSpanARGB_7
+ : &CFX_SkiaRenderer::CompositeSpanRGB32_7;
+ } break;
+ case 1:
+ case 5:
+ case 8:
+ case 9:
+ case 11:
+ case 12:
+ case 13:
+ case 15:
+ // TODO...
+ break;
+ case 10:
+ composite_span = &CFX_SkiaRenderer::CompositeSpanRGB24_10;
+ break;
+ case 14:
+ composite_span = &CFX_SkiaRenderer::CompositeSpanRGB24_14;
+ break;
+ }
+ if (composite_span == NULL)
+ return FALSE;
+ return TRUE;
+}
- void CFX_SkiaA8Renderer::blitAntiRect(int x, int y, int width, int height,
- SkAlpha leftAlpha, SkAlpha rightAlpha)
- {
- blitV(x++, y, height, leftAlpha);
- if (width > 0) {
- blitRect(x, y, width, height);
- x += width;
- }
- blitV(x, y, height, rightAlpha);
- }
+/*----------------------------------------------------------------------------------------------------*/
+void CFX_SkiaA8Renderer::blitAntiH(int x,
+ int y,
+ const SkAlpha antialias[],
+ const int16_t runs[]) {
+ FXSYS_assert(m_pDevice);
+ int dst_y = y - m_Top;
+ if (dst_y < 0 || dst_y >= m_pDevice->GetHeight())
+ return;
- FX_BOOL CFX_SkiaA8Renderer::Init(CFX_DIBitmap* pDevice, int Left, int Top)
- {
- m_pDevice = pDevice;
- m_Left = Left;
- m_Top = Top;
- if (pDevice){
- m_dstWidth = m_Left + pDevice->GetWidth();
- m_dstHeight = m_Top + pDevice->GetHeight();
- }
- return TRUE;
+ uint8_t* dest_scan = m_pDevice->GetBuffer() + m_pDevice->GetPitch() * dst_y;
+ uint8_t* dest_pos = dest_scan;
+ while (1) {
+ if (x >= m_dstWidth)
+ return;
+ int width = runs[0];
+ SkASSERT(width >= 0);
+ if (width <= 0)
+ return;
+ unsigned aa = antialias[0];
+ if (aa) {
+ int col_start = x < m_Left ? 0 : x - m_Left;
+ int col_end = x + width;
+ col_end = col_end < m_dstWidth ? col_end - m_Left : m_pDevice->GetWidth();
+ int result = col_end - col_start;
+ if (result > 0) {
+ dest_pos = dest_scan + col_start;
+ if (result >= 4)
+ FXSYS_memset(dest_pos, FXARGB_MAKE(aa, aa, aa, aa), result);
+ else
+ FXSYS_memset(dest_pos, aa, result);
+ }
}
+ runs += width;
+ antialias += width;
+ x += width;
+ }
+}
+void CFX_SkiaA8Renderer::blitH(int x, int y, int width) {
+ FXSYS_assert(m_pDevice);
+ int dst_y = y - m_Top;
+ if (dst_y < 0 || dst_y >= m_pDevice->GetHeight())
+ return;
+ if (x >= m_dstWidth)
+ return;
+ uint8_t* dest_scan = m_pDevice->GetBuffer() + m_pDevice->GetPitch() * dst_y;
+ int col_start = x < m_Left ? 0 : x - m_Left;
+ int col_end = x + width;
+ col_end = col_end < m_dstWidth ? col_end - m_Left : m_pDevice->GetWidth();
+ int result = col_end - col_start;
+ if (result > 0) {
+ uint8_t* dest_pos = dest_scan + col_start;
+ if (result >= 4)
+ FXSYS_memset(dest_pos, 0xffffffff, result);
+ else
+ FXSYS_memset(dest_pos, 255, result);
+ }
+}
+void CFX_SkiaA8Renderer::blitV(int x, int y, int height, SkAlpha alpha) {
+ FXSYS_assert(alpha);
+ if (alpha == 255) {
+ blitRect(x, y, 1, height);
+ } else {
+ int16_t runs[2];
+ runs[0] = 1;
+ runs[1] = 0;
+ while (--height >= 0) {
+ if (y >= m_dstHeight)
+ return;
+ blitAntiH(x, y++, &alpha, runs);
+ }
+ }
+}
+void CFX_SkiaA8Renderer::blitRect(int x, int y, int width, int height) {
+ FXSYS_assert(m_pDevice);
+ while (--height >= 0) {
+ if (y >= m_dstHeight)
+ return;
+ blitH(x, y++, width);
+ }
+}
+
+void CFX_SkiaA8Renderer::blitAntiRect(int x,
+ int y,
+ int width,
+ int height,
+ SkAlpha leftAlpha,
+ SkAlpha rightAlpha) {
+ blitV(x++, y, height, leftAlpha);
+ if (width > 0) {
+ blitRect(x, y, width, height);
+ x += width;
+ }
+ blitV(x, y, height, rightAlpha);
+}
+
+FX_BOOL CFX_SkiaA8Renderer::Init(CFX_DIBitmap* pDevice, int Left, int Top) {
+ m_pDevice = pDevice;
+ m_Left = Left;
+ m_Top = Top;
+ if (pDevice) {
+ m_dstWidth = m_Left + pDevice->GetWidth();
+ m_dstHeight = m_Top + pDevice->GetHeight();
+ }
+ return TRUE;
+}
#endif
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