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Unified Diff: core/src/fxge/agg/src/fx_agg_driver.cpp

Issue 1773593007: Move fx_agg_driver files up one level (Closed) Base URL: https://pdfium.googlesource.com/pdfium.git@master
Patch Set: Created 4 years, 9 months ago
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Index: core/src/fxge/agg/src/fx_agg_driver.cpp
diff --git a/core/src/fxge/agg/src/fx_agg_driver.cpp b/core/src/fxge/agg/src/fx_agg_driver.cpp
deleted file mode 100644
index 8b0e3f94f4db6997d97ab4c0b64ad62678cae1e0..0000000000000000000000000000000000000000
--- a/core/src/fxge/agg/src/fx_agg_driver.cpp
+++ /dev/null
@@ -1,1795 +0,0 @@
-// Copyright 2014 PDFium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
-
-#include "core/src/fxge/agg/include/fx_agg_driver.h"
-
-#include <algorithm>
-
-#include "core/include/fxcodec/fx_codec.h"
-#include "core/include/fxge/fx_ge.h"
-#include "core/src/fxge/dib/dib_int.h"
-#include "core/src/fxge/ge/fx_text_int.h"
-#include "third_party/agg23/agg_conv_dash.h"
-#include "third_party/agg23/agg_conv_stroke.h"
-#include "third_party/agg23/agg_curves.h"
-#include "third_party/agg23/agg_path_storage.h"
-#include "third_party/agg23/agg_pixfmt_gray.h"
-#include "third_party/agg23/agg_rasterizer_scanline_aa.h"
-#include "third_party/agg23/agg_renderer_scanline.h"
-#include "third_party/agg23/agg_scanline_u.h"
-
-namespace {
-
-void HardClip(FX_FLOAT& x, FX_FLOAT& y) {
- x = std::max(std::min(x, 50000.0f), -50000.0f);
- y = std::max(std::min(y, 50000.0f), -50000.0f);
-}
-
-} // namespace
-
-void CAgg_PathData::BuildPath(const CFX_PathData* pPathData,
- const CFX_Matrix* pObject2Device) {
- int nPoints = pPathData->GetPointCount();
- FX_PATHPOINT* pPoints = pPathData->GetPoints();
- for (int i = 0; i < nPoints; i++) {
- FX_FLOAT x = pPoints[i].m_PointX, y = pPoints[i].m_PointY;
- if (pObject2Device) {
- pObject2Device->Transform(x, y);
- }
- HardClip(x, y);
- int point_type = pPoints[i].m_Flag & FXPT_TYPE;
- if (point_type == FXPT_MOVETO) {
- m_PathData.move_to(x, y);
- } else if (point_type == FXPT_LINETO) {
- if (pPoints[i - 1].m_Flag == FXPT_MOVETO &&
- (i == nPoints - 1 || pPoints[i + 1].m_Flag == FXPT_MOVETO) &&
- pPoints[i].m_PointX == pPoints[i - 1].m_PointX &&
- pPoints[i].m_PointY == pPoints[i - 1].m_PointY) {
- x += 1;
- }
- m_PathData.line_to(x, y);
- } else if (point_type == FXPT_BEZIERTO) {
- FX_FLOAT x0 = pPoints[i - 1].m_PointX, y0 = pPoints[i - 1].m_PointY;
- FX_FLOAT x2 = pPoints[i + 1].m_PointX, y2 = pPoints[i + 1].m_PointY;
- FX_FLOAT x3 = pPoints[i + 2].m_PointX, y3 = pPoints[i + 2].m_PointY;
- if (pObject2Device) {
- pObject2Device->Transform(x0, y0);
- pObject2Device->Transform(x2, y2);
- pObject2Device->Transform(x3, y3);
- }
- agg::curve4 curve(x0, y0, x, y, x2, y2, x3, y3);
- i += 2;
- m_PathData.add_path_curve(curve);
- }
- if (pPoints[i].m_Flag & FXPT_CLOSEFIGURE) {
- m_PathData.end_poly();
- }
- }
-}
-namespace agg {
-
-template <class BaseRenderer>
-class renderer_scanline_aa_offset {
- public:
- typedef BaseRenderer base_ren_type;
- typedef typename base_ren_type::color_type color_type;
- renderer_scanline_aa_offset(base_ren_type& ren, unsigned left, unsigned top)
- : m_ren(&ren), m_left(left), m_top(top) {}
- void color(const color_type& c) { m_color = c; }
- const color_type& color() const { return m_color; }
- void prepare(unsigned) {}
- template <class Scanline>
- void render(const Scanline& sl) {
- int y = sl.y();
- unsigned num_spans = sl.num_spans();
- typename Scanline::const_iterator span = sl.begin();
- for (;;) {
- int x = span->x;
- if (span->len > 0) {
- m_ren->blend_solid_hspan(x - m_left, y - m_top, (unsigned)span->len,
- m_color, span->covers);
- } else {
- m_ren->blend_hline(x - m_left, y - m_top, (unsigned)(x - span->len - 1),
- m_color, *(span->covers));
- }
- if (--num_spans == 0) {
- break;
- }
- ++span;
- }
- }
-
- private:
- base_ren_type* m_ren;
- color_type m_color;
- unsigned m_left, m_top;
-};
-
-} // namespace agg
-
-static void RasterizeStroke(agg::rasterizer_scanline_aa& rasterizer,
- agg::path_storage& path_data,
- const CFX_Matrix* pObject2Device,
- const CFX_GraphStateData* pGraphState,
- FX_FLOAT scale = 1.0f,
- FX_BOOL bStrokeAdjust = FALSE,
- FX_BOOL bTextMode = FALSE) {
- agg::line_cap_e cap;
- switch (pGraphState->m_LineCap) {
- case CFX_GraphStateData::LineCapRound:
- cap = agg::round_cap;
- break;
- case CFX_GraphStateData::LineCapSquare:
- cap = agg::square_cap;
- break;
- default:
- cap = agg::butt_cap;
- break;
- }
- agg::line_join_e join;
- switch (pGraphState->m_LineJoin) {
- case CFX_GraphStateData::LineJoinRound:
- join = agg::round_join;
- break;
- case CFX_GraphStateData::LineJoinBevel:
- join = agg::bevel_join;
- break;
- default:
- join = agg::miter_join_revert;
- break;
- }
- FX_FLOAT width = pGraphState->m_LineWidth * scale;
- FX_FLOAT unit = 1.f;
- if (pObject2Device) {
- unit =
- 1.0f / ((pObject2Device->GetXUnit() + pObject2Device->GetYUnit()) / 2);
- }
- if (width < unit) {
- width = unit;
- }
- if (pGraphState->m_DashArray) {
- typedef agg::conv_dash<agg::path_storage> dash_converter;
- dash_converter dash(path_data);
- for (int i = 0; i < (pGraphState->m_DashCount + 1) / 2; i++) {
- FX_FLOAT on = pGraphState->m_DashArray[i * 2];
- if (on <= 0.000001f) {
- on = 1.0f / 10;
- }
- FX_FLOAT off = i * 2 + 1 == pGraphState->m_DashCount
- ? on
- : pGraphState->m_DashArray[i * 2 + 1];
- if (off < 0) {
- off = 0;
- }
- dash.add_dash(on * scale, off * scale);
- }
- dash.dash_start(pGraphState->m_DashPhase * scale);
- typedef agg::conv_stroke<dash_converter> dash_stroke;
- dash_stroke stroke(dash);
- stroke.line_join(join);
- stroke.line_cap(cap);
- stroke.miter_limit(pGraphState->m_MiterLimit);
- stroke.width(width);
- rasterizer.add_path_transformed(stroke, pObject2Device);
- } else {
- agg::conv_stroke<agg::path_storage> stroke(path_data);
- stroke.line_join(join);
- stroke.line_cap(cap);
- stroke.miter_limit(pGraphState->m_MiterLimit);
- stroke.width(width);
- rasterizer.add_path_transformed(stroke, pObject2Device);
- }
-}
-IFX_RenderDeviceDriver* IFX_RenderDeviceDriver::CreateFxgeDriver(
- CFX_DIBitmap* pBitmap,
- FX_BOOL bRgbByteOrder,
- CFX_DIBitmap* pOriDevice,
- FX_BOOL bGroupKnockout) {
- return new CFX_AggDeviceDriver(pBitmap, 0, bRgbByteOrder, pOriDevice,
- bGroupKnockout);
-}
-CFX_AggDeviceDriver::CFX_AggDeviceDriver(CFX_DIBitmap* pBitmap,
- int dither_bits,
- FX_BOOL bRgbByteOrder,
- CFX_DIBitmap* pOriDevice,
- FX_BOOL bGroupKnockout) {
- m_pBitmap = pBitmap;
- m_DitherBits = dither_bits;
- m_pClipRgn = NULL;
- m_pPlatformBitmap = NULL;
- m_pPlatformGraphics = NULL;
- m_pDwRenderTartget = NULL;
- m_bRgbByteOrder = bRgbByteOrder;
- m_pOriDevice = pOriDevice;
- m_bGroupKnockout = bGroupKnockout;
- m_FillFlags = 0;
- InitPlatform();
-}
-CFX_AggDeviceDriver::~CFX_AggDeviceDriver() {
- delete m_pClipRgn;
- for (int i = 0; i < m_StateStack.GetSize(); i++)
- delete m_StateStack[i];
- DestroyPlatform();
-}
-#if _FXM_PLATFORM_ != _FXM_PLATFORM_APPLE_
-void CFX_AggDeviceDriver::InitPlatform() {}
-void CFX_AggDeviceDriver::DestroyPlatform() {}
-FX_BOOL CFX_AggDeviceDriver::DrawDeviceText(int nChars,
- const FXTEXT_CHARPOS* pCharPos,
- CFX_Font* pFont,
- CFX_FontCache* pCache,
- const CFX_Matrix* pObject2Device,
- FX_FLOAT font_size,
- FX_DWORD color,
- int alpha_flag,
- void* pIccTransform) {
- return FALSE;
-}
-#endif
-int CFX_AggDeviceDriver::GetDeviceCaps(int caps_id) {
- switch (caps_id) {
- case FXDC_DEVICE_CLASS:
- return FXDC_DISPLAY;
- case FXDC_PIXEL_WIDTH:
- return m_pBitmap->GetWidth();
- case FXDC_PIXEL_HEIGHT:
- return m_pBitmap->GetHeight();
- case FXDC_BITS_PIXEL:
- return m_pBitmap->GetBPP();
- case FXDC_HORZ_SIZE:
- case FXDC_VERT_SIZE:
- return 0;
- case FXDC_RENDER_CAPS: {
- int flags = FXRC_GET_BITS | FXRC_ALPHA_PATH | FXRC_ALPHA_IMAGE |
- FXRC_BLEND_MODE | FXRC_SOFT_CLIP;
- if (m_pBitmap->HasAlpha()) {
- flags |= FXRC_ALPHA_OUTPUT;
- } else if (m_pBitmap->IsAlphaMask()) {
- if (m_pBitmap->GetBPP() == 1) {
- flags |= FXRC_BITMASK_OUTPUT;
- } else {
- flags |= FXRC_BYTEMASK_OUTPUT;
- }
- }
- if (m_pBitmap->IsCmykImage()) {
- flags |= FXRC_CMYK_OUTPUT;
- }
- return flags;
- }
- case FXDC_DITHER_BITS:
- return m_DitherBits;
- }
- return 0;
-}
-void CFX_AggDeviceDriver::SaveState() {
- CFX_ClipRgn* pClip = NULL;
- if (m_pClipRgn) {
- pClip = new CFX_ClipRgn(*m_pClipRgn);
- }
- m_StateStack.Add(pClip);
-}
-void CFX_AggDeviceDriver::RestoreState(FX_BOOL bKeepSaved) {
- if (m_StateStack.GetSize() == 0) {
- delete m_pClipRgn;
- m_pClipRgn = NULL;
- return;
- }
- CFX_ClipRgn* pSavedClip = m_StateStack[m_StateStack.GetSize() - 1];
- delete m_pClipRgn;
- m_pClipRgn = NULL;
- if (bKeepSaved) {
- if (pSavedClip) {
- m_pClipRgn = new CFX_ClipRgn(*pSavedClip);
- }
- } else {
- m_StateStack.RemoveAt(m_StateStack.GetSize() - 1);
- m_pClipRgn = pSavedClip;
- }
-}
-void CFX_AggDeviceDriver::SetClipMask(agg::rasterizer_scanline_aa& rasterizer) {
- FX_RECT path_rect(rasterizer.min_x(), rasterizer.min_y(),
- rasterizer.max_x() + 1, rasterizer.max_y() + 1);
- path_rect.Intersect(m_pClipRgn->GetBox());
- CFX_DIBitmapRef mask;
- CFX_DIBitmap* pThisLayer = mask.New();
- if (!pThisLayer) {
- return;
- }
- pThisLayer->Create(path_rect.Width(), path_rect.Height(), FXDIB_8bppMask);
- pThisLayer->Clear(0);
- agg::rendering_buffer raw_buf(pThisLayer->GetBuffer(), pThisLayer->GetWidth(),
- pThisLayer->GetHeight(),
- pThisLayer->GetPitch());
- agg::pixfmt_gray8 pixel_buf(raw_buf);
- agg::renderer_base<agg::pixfmt_gray8> base_buf(pixel_buf);
- agg::renderer_scanline_aa_offset<agg::renderer_base<agg::pixfmt_gray8> >
- final_render(base_buf, path_rect.left, path_rect.top);
- final_render.color(agg::gray8(255));
- agg::scanline_u8 scanline;
- agg::render_scanlines(rasterizer, scanline, final_render,
- (m_FillFlags & FXFILL_NOPATHSMOOTH) != 0);
- m_pClipRgn->IntersectMaskF(path_rect.left, path_rect.top, mask);
-}
-FX_BOOL CFX_AggDeviceDriver::SetClip_PathFill(const CFX_PathData* pPathData,
- const CFX_Matrix* pObject2Device,
- int fill_mode) {
- m_FillFlags = fill_mode;
- if (!m_pClipRgn) {
- m_pClipRgn = new CFX_ClipRgn(GetDeviceCaps(FXDC_PIXEL_WIDTH),
- GetDeviceCaps(FXDC_PIXEL_HEIGHT));
- }
- if (pPathData->GetPointCount() == 5 || pPathData->GetPointCount() == 4) {
- CFX_FloatRect rectf;
- if (pPathData->IsRect(pObject2Device, &rectf)) {
- rectf.Intersect(
- CFX_FloatRect(0, 0, (FX_FLOAT)GetDeviceCaps(FXDC_PIXEL_WIDTH),
- (FX_FLOAT)GetDeviceCaps(FXDC_PIXEL_HEIGHT)));
- FX_RECT rect = rectf.GetOutterRect();
- m_pClipRgn->IntersectRect(rect);
- return TRUE;
- }
- }
- CAgg_PathData path_data;
- path_data.BuildPath(pPathData, pObject2Device);
- path_data.m_PathData.end_poly();
- agg::rasterizer_scanline_aa rasterizer;
- rasterizer.clip_box(0.0f, 0.0f, (FX_FLOAT)(GetDeviceCaps(FXDC_PIXEL_WIDTH)),
- (FX_FLOAT)(GetDeviceCaps(FXDC_PIXEL_HEIGHT)));
- rasterizer.add_path(path_data.m_PathData);
- rasterizer.filling_rule((fill_mode & 3) == FXFILL_WINDING
- ? agg::fill_non_zero
- : agg::fill_even_odd);
- SetClipMask(rasterizer);
- return TRUE;
-}
-FX_BOOL CFX_AggDeviceDriver::SetClip_PathStroke(
- const CFX_PathData* pPathData,
- const CFX_Matrix* pObject2Device,
- const CFX_GraphStateData* pGraphState) {
- if (!m_pClipRgn) {
- m_pClipRgn = new CFX_ClipRgn(GetDeviceCaps(FXDC_PIXEL_WIDTH),
- GetDeviceCaps(FXDC_PIXEL_HEIGHT));
- }
- CAgg_PathData path_data;
- path_data.BuildPath(pPathData, NULL);
- agg::rasterizer_scanline_aa rasterizer;
- rasterizer.clip_box(0.0f, 0.0f, (FX_FLOAT)(GetDeviceCaps(FXDC_PIXEL_WIDTH)),
- (FX_FLOAT)(GetDeviceCaps(FXDC_PIXEL_HEIGHT)));
- RasterizeStroke(rasterizer, path_data.m_PathData, pObject2Device,
- pGraphState);
- rasterizer.filling_rule(agg::fill_non_zero);
- SetClipMask(rasterizer);
- return TRUE;
-}
-class CFX_Renderer {
- private:
- int m_Alpha, m_Red, m_Green, m_Blue, m_Gray;
- FX_DWORD m_Color;
- FX_BOOL m_bFullCover;
- FX_BOOL m_bRgbByteOrder;
- CFX_DIBitmap* m_pOriDevice;
- FX_RECT m_ClipBox;
- const CFX_DIBitmap* m_pClipMask;
- CFX_DIBitmap* m_pDevice;
- const CFX_ClipRgn* m_pClipRgn;
- void (CFX_Renderer::*composite_span)(uint8_t*,
- int,
- int,
- int,
- uint8_t*,
- int,
- int,
- uint8_t*,
- uint8_t*);
-
- public:
- void prepare(unsigned) {}
- void CompositeSpan(uint8_t* dest_scan,
- uint8_t* ori_scan,
- int Bpp,
- FX_BOOL bDestAlpha,
- int span_left,
- int span_len,
- uint8_t* cover_scan,
- int clip_left,
- int clip_right,
- uint8_t* clip_scan) {
- ASSERT(!m_pDevice->IsCmykImage());
- 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 (Bpp) {
- dest_scan += col_start * Bpp;
- ori_scan += col_start * Bpp;
- } else {
- dest_scan += col_start / 8;
- ori_scan += col_start / 8;
- }
- if (m_bRgbByteOrder) {
- if (Bpp == 4 && bDestAlpha) {
- for (int col = col_start; col < col_end; col++) {
- int src_alpha;
- if (clip_scan) {
- src_alpha = m_Alpha * clip_scan[col] / 255;
- } else {
- src_alpha = m_Alpha;
- }
- uint8_t dest_alpha =
- ori_scan[3] + src_alpha - ori_scan[3] * src_alpha / 255;
- dest_scan[3] = dest_alpha;
- int alpha_ratio = src_alpha * 255 / dest_alpha;
- if (m_bFullCover) {
- *dest_scan++ = FXDIB_ALPHA_MERGE(*ori_scan++, m_Red, alpha_ratio);
- *dest_scan++ = FXDIB_ALPHA_MERGE(*ori_scan++, m_Green, alpha_ratio);
- *dest_scan++ = FXDIB_ALPHA_MERGE(*ori_scan++, m_Blue, alpha_ratio);
- dest_scan++;
- ori_scan++;
- } else {
- int r = FXDIB_ALPHA_MERGE(*ori_scan++, m_Red, alpha_ratio);
- int g = FXDIB_ALPHA_MERGE(*ori_scan++, m_Green, alpha_ratio);
- int b = FXDIB_ALPHA_MERGE(*ori_scan++, m_Blue, alpha_ratio);
- ori_scan++;
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, r, cover_scan[col]);
- dest_scan++;
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, g, cover_scan[col]);
- dest_scan++;
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, b, cover_scan[col]);
- dest_scan += 2;
- }
- }
- return;
- }
- if (Bpp == 3 || Bpp == 4) {
- for (int col = col_start; col < col_end; col++) {
- int src_alpha;
- if (clip_scan) {
- src_alpha = m_Alpha * clip_scan[col] / 255;
- } else {
- src_alpha = m_Alpha;
- }
- int r = FXDIB_ALPHA_MERGE(*ori_scan++, m_Red, src_alpha);
- int g = FXDIB_ALPHA_MERGE(*ori_scan++, m_Green, src_alpha);
- int b = FXDIB_ALPHA_MERGE(*ori_scan, m_Blue, src_alpha);
- ori_scan += Bpp - 2;
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, r, cover_scan[col]);
- dest_scan++;
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, g, cover_scan[col]);
- dest_scan++;
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, b, cover_scan[col]);
- dest_scan += Bpp - 2;
- }
- }
- return;
- }
- if (Bpp == 4 && bDestAlpha) {
- for (int col = col_start; col < col_end; col++) {
- int src_alpha;
- if (clip_scan) {
- src_alpha = m_Alpha * clip_scan[col] / 255;
- } else {
- src_alpha = m_Alpha;
- }
- int src_alpha_covered = src_alpha * cover_scan[col] / 255;
- if (src_alpha_covered == 0) {
- dest_scan += 4;
- continue;
- }
- if (cover_scan[col] == 255) {
- dest_scan[3] = src_alpha_covered;
- *dest_scan++ = m_Blue;
- *dest_scan++ = m_Green;
- *dest_scan = m_Red;
- dest_scan += 2;
- continue;
- } else {
- 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;
- }
- uint8_t cover = cover_scan[col];
- dest_scan[3] = FXDIB_ALPHA_MERGE(dest_scan[3], src_alpha, cover);
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Blue, cover);
- dest_scan++;
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Green, cover);
- dest_scan++;
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Red, cover);
- dest_scan += 2;
- }
- }
- return;
- }
- if (Bpp == 3 || Bpp == 4) {
- for (int col = col_start; col < col_end; col++) {
- int src_alpha;
- if (clip_scan) {
- src_alpha = m_Alpha * clip_scan[col] / 255;
- } else {
- src_alpha = m_Alpha;
- }
- if (m_bFullCover) {
- *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 += Bpp - 2;
- ori_scan += Bpp - 2;
- 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 += Bpp - 2;
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, b, cover_scan[col]);
- dest_scan++;
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, g, cover_scan[col]);
- dest_scan++;
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, r, cover_scan[col]);
- dest_scan += Bpp - 2;
- continue;
- }
- return;
- }
- if (Bpp == 1) {
- for (int col = col_start; col < col_end; col++) {
- int src_alpha;
- if (clip_scan) {
- src_alpha = m_Alpha * clip_scan[col] / 255;
- } else {
- src_alpha = m_Alpha;
- }
- if (m_bFullCover) {
- *dest_scan = FXDIB_ALPHA_MERGE(*ori_scan++, m_Gray, src_alpha);
- } else {
- int gray = FXDIB_ALPHA_MERGE(*ori_scan++, m_Gray, src_alpha);
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, gray, cover_scan[col]);
- dest_scan++;
- }
- }
- } else {
- int index = 0;
- if (m_pDevice->GetPalette()) {
- for (int i = 0; i < 2; i++) {
- if (FXARGB_TODIB(m_pDevice->GetPalette()[i]) == m_Color) {
- index = i;
- }
- }
- } else {
- index = ((uint8_t)m_Color == 0xff) ? 1 : 0;
- }
- uint8_t* dest_scan1 = dest_scan;
- for (int col = col_start; col < col_end; col++) {
- int src_alpha;
- if (clip_scan) {
- src_alpha = m_Alpha * cover_scan[col] * clip_scan[col] / 255 / 255;
- } else {
- src_alpha = m_Alpha * cover_scan[col] / 255;
- }
- 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;
- }
- }
- }
- void CompositeSpan1bpp(uint8_t* dest_scan,
- int Bpp,
- int span_left,
- int span_len,
- uint8_t* cover_scan,
- int clip_left,
- int clip_right,
- uint8_t* clip_scan,
- uint8_t* dest_extra_alpha_scan) {
- ASSERT(!m_bRgbByteOrder);
- ASSERT(!m_pDevice->IsCmykImage());
- 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);
- dest_scan += col_start / 8;
- int index = 0;
- if (m_pDevice->GetPalette()) {
- for (int i = 0; i < 2; i++) {
- if (FXARGB_TODIB(m_pDevice->GetPalette()[i]) == m_Color) {
- index = i;
- }
- }
- } else {
- index = ((uint8_t)m_Color == 0xff) ? 1 : 0;
- }
- uint8_t* dest_scan1 = dest_scan;
- for (int col = col_start; col < col_end; col++) {
- int src_alpha;
- if (clip_scan) {
- src_alpha = m_Alpha * cover_scan[col] * clip_scan[col] / 255 / 255;
- } else {
- src_alpha = m_Alpha * cover_scan[col] / 255;
- }
- 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;
- }
- }
- void CompositeSpanGray(uint8_t* dest_scan,
- int Bpp,
- int span_left,
- int span_len,
- uint8_t* cover_scan,
- int clip_left,
- int clip_right,
- uint8_t* clip_scan,
- uint8_t* dest_extra_alpha_scan) {
- ASSERT(!m_bRgbByteOrder);
- 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);
- dest_scan += col_start;
- if (dest_extra_alpha_scan) {
- 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[col] * clip_scan[col] / 255 / 255;
- } else {
- src_alpha = m_Alpha * cover_scan[col] / 255;
- }
- }
- if (src_alpha) {
- if (src_alpha == 255) {
- *dest_scan = m_Gray;
- *dest_extra_alpha_scan = m_Alpha;
- } else {
- 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_Gray, alpha_ratio);
- dest_scan++;
- continue;
- }
- }
- dest_extra_alpha_scan++;
- dest_scan++;
- }
- } else {
- for (int col = col_start; col < col_end; col++) {
- int src_alpha;
- if (clip_scan) {
- src_alpha = m_Alpha * cover_scan[col] * clip_scan[col] / 255 / 255;
- } else {
- src_alpha = m_Alpha * cover_scan[col] / 255;
- }
- if (src_alpha) {
- if (src_alpha == 255) {
- *dest_scan = m_Gray;
- } else {
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, m_Gray, src_alpha);
- }
- }
- dest_scan++;
- }
- }
- }
- void CompositeSpanARGB(uint8_t* dest_scan,
- int Bpp,
- int span_left,
- int span_len,
- uint8_t* cover_scan,
- int clip_left,
- int clip_right,
- uint8_t* clip_scan,
- uint8_t* dest_extra_alpha_scan) {
- 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);
- dest_scan += col_start * Bpp;
- if (m_bRgbByteOrder) {
- 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[col] * clip_scan[col] / 255 / 255;
- } else {
- src_alpha = m_Alpha * cover_scan[col] / 255;
- }
- }
- if (src_alpha) {
- if (src_alpha == 255) {
- *(FX_DWORD*)dest_scan = m_Color;
- } else {
- 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_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 += 2;
- continue;
- }
- }
- dest_scan += 4;
- }
- return;
- }
- 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[col] * clip_scan[col] / 255 / 255;
- } else {
- src_alpha = m_Alpha * cover_scan[col] / 255;
- }
- }
- if (src_alpha) {
- if (src_alpha == 255) {
- *(FX_DWORD*)dest_scan = m_Color;
- } else {
- 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;
- continue;
- }
- }
- dest_scan += Bpp;
- }
- }
- void CompositeSpanRGB(uint8_t* dest_scan,
- int Bpp,
- int span_left,
- int span_len,
- uint8_t* cover_scan,
- int clip_left,
- int clip_right,
- uint8_t* clip_scan,
- uint8_t* dest_extra_alpha_scan) {
- 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);
- dest_scan += col_start * Bpp;
- if (m_bRgbByteOrder) {
- for (int col = col_start; col < col_end; col++) {
- int src_alpha;
- if (clip_scan) {
- src_alpha = m_Alpha * cover_scan[col] * clip_scan[col] / 255 / 255;
- } else {
- src_alpha = m_Alpha * cover_scan[col] / 255;
- }
- if (src_alpha) {
- if (src_alpha == 255) {
- if (Bpp == 4) {
- *(FX_DWORD*)dest_scan = m_Color;
- } else if (Bpp == 3) {
- *dest_scan++ = m_Red;
- *dest_scan++ = m_Green;
- *dest_scan++ = m_Blue;
- continue;
- }
- } else {
- *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 += Bpp - 2;
- continue;
- }
- }
- dest_scan += Bpp;
- }
- return;
- }
- if (Bpp == 3 && dest_extra_alpha_scan) {
- 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[col] * clip_scan[col] / 255 / 255;
- } else {
- src_alpha = m_Alpha * cover_scan[col] / 255;
- }
- }
- if (src_alpha) {
- 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;
- continue;
- } else {
- 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++;
- continue;
- }
- }
- dest_extra_alpha_scan++;
- dest_scan += Bpp;
- }
- } else {
- 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[col] * clip_scan[col] / 255 / 255;
- } else {
- src_alpha = m_Alpha * cover_scan[col] / 255;
- }
- }
- if (src_alpha) {
- if (src_alpha == 255) {
- if (Bpp == 4) {
- *(FX_DWORD*)dest_scan = m_Color;
- } else if (Bpp == 3) {
- *dest_scan++ = m_Blue;
- *dest_scan++ = m_Green;
- *dest_scan++ = m_Red;
- continue;
- }
- } else {
- *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 += Bpp - 2;
- continue;
- }
- }
- dest_scan += Bpp;
- }
- }
- }
- void CompositeSpanCMYK(uint8_t* dest_scan,
- int Bpp,
- int span_left,
- int span_len,
- uint8_t* cover_scan,
- int clip_left,
- int clip_right,
- uint8_t* clip_scan,
- uint8_t* dest_extra_alpha_scan) {
- ASSERT(!m_bRgbByteOrder);
- 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);
- dest_scan += col_start * 4;
- if (dest_extra_alpha_scan) {
- 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[col] * clip_scan[col] / 255 / 255;
- } else {
- src_alpha = m_Alpha * cover_scan[col] / 255;
- }
- }
- if (src_alpha) {
- if (src_alpha == 255) {
- *(FX_CMYK*)dest_scan = m_Color;
- *dest_extra_alpha_scan = (uint8_t)m_Alpha;
- } else {
- 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 {
- for (int col = col_start; col < col_end; col++) {
- int src_alpha;
- if (clip_scan) {
- src_alpha = m_Alpha * cover_scan[col] * clip_scan[col] / 255 / 255;
- } else {
- src_alpha = m_Alpha * cover_scan[col] / 255;
- }
- if (src_alpha) {
- if (src_alpha == 255) {
- *(FX_CMYK*)dest_scan = m_Color;
- } else {
- *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;
- }
- }
- }
- template <class Scanline>
- void render(const Scanline& sl) {
- if (!m_pOriDevice && !composite_span) {
- return;
- }
- int y = sl.y();
- if (y < m_ClipBox.top || y >= m_ClipBox.bottom) {
- return;
- }
- uint8_t* dest_scan = m_pDevice->GetBuffer() + m_pDevice->GetPitch() * y;
- uint8_t* dest_scan_extra_alpha = NULL;
- CFX_DIBitmap* pAlphaMask = m_pDevice->m_pAlphaMask;
- if (pAlphaMask) {
- dest_scan_extra_alpha =
- pAlphaMask->GetBuffer() + pAlphaMask->GetPitch() * y;
- }
- uint8_t* ori_scan = NULL;
- if (m_pOriDevice) {
- ori_scan = m_pOriDevice->GetBuffer() + m_pOriDevice->GetPitch() * y;
- }
- int Bpp = m_pDevice->GetBPP() / 8;
- FX_BOOL bDestAlpha = m_pDevice->HasAlpha() || m_pDevice->IsAlphaMask();
- unsigned num_spans = sl.num_spans();
- typename Scanline::const_iterator span = sl.begin();
- while (1) {
- int x = span->x;
- ASSERT(span->len > 0);
- uint8_t* dest_pos = NULL;
- uint8_t* dest_extra_alpha_pos = NULL;
- uint8_t* ori_pos = NULL;
- if (Bpp) {
- ori_pos = ori_scan ? ori_scan + x * Bpp : NULL;
- dest_pos = dest_scan + x * Bpp;
- dest_extra_alpha_pos =
- dest_scan_extra_alpha ? dest_scan_extra_alpha + x : NULL;
- } else {
- dest_pos = dest_scan + x / 8;
- ori_pos = ori_scan ? ori_scan + x / 8 : NULL;
- }
- uint8_t* clip_pos = NULL;
- if (m_pClipMask) {
- clip_pos = m_pClipMask->GetBuffer() +
- (y - m_ClipBox.top) * m_pClipMask->GetPitch() + x -
- m_ClipBox.left;
- }
- if (ori_pos) {
- CompositeSpan(dest_pos, ori_pos, Bpp, bDestAlpha, x, span->len,
- span->covers, m_ClipBox.left, m_ClipBox.right, clip_pos);
- } else {
- (this->*composite_span)(dest_pos, Bpp, x, span->len, span->covers,
- m_ClipBox.left, m_ClipBox.right, clip_pos,
- dest_extra_alpha_pos);
- }
- if (--num_spans == 0) {
- break;
- }
- ++span;
- }
- }
-
- FX_BOOL Init(CFX_DIBitmap* pDevice,
- CFX_DIBitmap* pOriDevice,
- const CFX_ClipRgn* pClipRgn,
- FX_DWORD color,
- FX_BOOL bFullCover,
- FX_BOOL bRgbByteOrder,
- int alpha_flag = 0,
- void* pIccTransform = NULL) {
- m_pDevice = pDevice;
- m_pClipRgn = pClipRgn;
- composite_span = NULL;
- m_bRgbByteOrder = bRgbByteOrder;
- m_pOriDevice = pOriDevice;
- 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_bFullCover = bFullCover;
- FX_BOOL bObjectCMYK = FXGETFLAG_COLORTYPE(alpha_flag);
- FX_BOOL bDeviceCMYK = pDevice->IsCmykImage();
- m_Alpha = bObjectCMYK ? FXGETFLAG_ALPHA_FILL(alpha_flag) : FXARGB_A(color);
- ICodec_IccModule* pIccModule = NULL;
- if (!CFX_GEModule::Get()->GetCodecModule() ||
- !CFX_GEModule::Get()->GetCodecModule()->GetIccModule()) {
- pIccTransform = NULL;
- } else {
- pIccModule = CFX_GEModule::Get()->GetCodecModule()->GetIccModule();
- }
- if (m_pDevice->GetBPP() == 8) {
- ASSERT(!m_bRgbByteOrder);
- composite_span = &CFX_Renderer::CompositeSpanGray;
- if (m_pDevice->IsAlphaMask()) {
- m_Gray = 255;
- } else {
- 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));
- }
- }
- }
- return TRUE;
- }
- if (bDeviceCMYK) {
- ASSERT(!m_bRgbByteOrder);
- composite_span = &CFX_Renderer::CompositeSpanCMYK;
- if (bObjectCMYK) {
- m_Color = FXCMYK_TODIB(color);
- if (pIccTransform) {
- pIccModule->TranslateScanline(pIccTransform, (uint8_t*)&m_Color,
- (const uint8_t*)&m_Color, 1);
- }
- } else {
- 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];
- } else {
- composite_span = (pDevice->GetFormat() == FXDIB_Argb)
- ? &CFX_Renderer::CompositeSpanARGB
- : &CFX_Renderer::CompositeSpanRGB;
- 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];
- if (m_bRgbByteOrder) {
- 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);
- } 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);
- } else {
- m_Color = FXARGB_TODIB(color);
- }
- ArgbDecode(color, m_Alpha, m_Red, m_Green, m_Blue);
- }
- }
- }
- if (m_pDevice->GetBPP() == 1) {
- composite_span = &CFX_Renderer::CompositeSpan1bpp;
- }
- return TRUE;
- }
-};
-FX_BOOL CFX_AggDeviceDriver::RenderRasterizer(
- agg::rasterizer_scanline_aa& rasterizer,
- FX_DWORD color,
- FX_BOOL bFullCover,
- FX_BOOL bGroupKnockout,
- int alpha_flag,
- void* pIccTransform) {
- CFX_DIBitmap* pt = bGroupKnockout ? m_pOriDevice : NULL;
- CFX_Renderer render;
- if (!render.Init(m_pBitmap, pt, m_pClipRgn, color, bFullCover,
- m_bRgbByteOrder, alpha_flag, pIccTransform)) {
- return FALSE;
- }
- agg::scanline_u8 scanline;
- agg::render_scanlines(rasterizer, scanline, render,
- (m_FillFlags & FXFILL_NOPATHSMOOTH) != 0);
- return TRUE;
-}
-FX_BOOL CFX_AggDeviceDriver::DrawPath(const CFX_PathData* pPathData,
- const CFX_Matrix* pObject2Device,
- const CFX_GraphStateData* pGraphState,
- FX_DWORD fill_color,
- FX_DWORD stroke_color,
- int fill_mode,
- int alpha_flag,
- void* pIccTransform,
- int blend_type) {
- if (blend_type != FXDIB_BLEND_NORMAL) {
- return FALSE;
- }
- if (!GetBuffer()) {
- return TRUE;
- }
- m_FillFlags = fill_mode;
- if ((fill_mode & 3) && fill_color) {
- CAgg_PathData path_data;
- path_data.BuildPath(pPathData, pObject2Device);
- agg::rasterizer_scanline_aa rasterizer;
- rasterizer.clip_box(0.0f, 0.0f, (FX_FLOAT)(GetDeviceCaps(FXDC_PIXEL_WIDTH)),
- (FX_FLOAT)(GetDeviceCaps(FXDC_PIXEL_HEIGHT)));
- rasterizer.add_path(path_data.m_PathData);
- rasterizer.filling_rule((fill_mode & 3) == FXFILL_WINDING
- ? agg::fill_non_zero
- : agg::fill_even_odd);
- if (!RenderRasterizer(rasterizer, fill_color, fill_mode & FXFILL_FULLCOVER,
- FALSE, alpha_flag, pIccTransform)) {
- return FALSE;
- }
- }
- int stroke_alpha = FXGETFLAG_COLORTYPE(alpha_flag)
- ? FXGETFLAG_ALPHA_STROKE(alpha_flag)
- : FXARGB_A(stroke_color);
- if (pGraphState && stroke_alpha) {
- if (fill_mode & FX_ZEROAREA_FILL) {
- CAgg_PathData path_data;
- path_data.BuildPath(pPathData, pObject2Device);
- agg::rasterizer_scanline_aa rasterizer;
- rasterizer.clip_box(0.0f, 0.0f,
- (FX_FLOAT)(GetDeviceCaps(FXDC_PIXEL_WIDTH)),
- (FX_FLOAT)(GetDeviceCaps(FXDC_PIXEL_HEIGHT)));
- RasterizeStroke(rasterizer, path_data.m_PathData, NULL, pGraphState, 1,
- FALSE, fill_mode & FX_STROKE_TEXT_MODE);
- int fill_flag = FXGETFLAG_COLORTYPE(alpha_flag) << 8 |
- FXGETFLAG_ALPHA_STROKE(alpha_flag);
- if (!RenderRasterizer(rasterizer, stroke_color,
- fill_mode & FXFILL_FULLCOVER, m_bGroupKnockout,
- fill_flag, pIccTransform)) {
- return FALSE;
- }
- return TRUE;
- }
- CFX_Matrix matrix1, matrix2;
- if (pObject2Device) {
- matrix1.a = std::max(FXSYS_fabs(pObject2Device->a),
- FXSYS_fabs(pObject2Device->b));
- matrix1.d = matrix1.a;
- matrix2.Set(pObject2Device->a / matrix1.a, pObject2Device->b / matrix1.a,
- pObject2Device->c / matrix1.d, pObject2Device->d / matrix1.d,
- 0, 0);
- CFX_Matrix mtRervese;
- mtRervese.SetReverse(matrix2);
- matrix1 = *pObject2Device;
- matrix1.Concat(mtRervese);
- }
- CAgg_PathData path_data;
- path_data.BuildPath(pPathData, &matrix1);
- agg::rasterizer_scanline_aa rasterizer;
- rasterizer.clip_box(0.0f, 0.0f, (FX_FLOAT)(GetDeviceCaps(FXDC_PIXEL_WIDTH)),
- (FX_FLOAT)(GetDeviceCaps(FXDC_PIXEL_HEIGHT)));
- RasterizeStroke(rasterizer, path_data.m_PathData, &matrix2, pGraphState,
- matrix1.a, FALSE, fill_mode & FX_STROKE_TEXT_MODE);
- int fill_flag = FXGETFLAG_COLORTYPE(alpha_flag) << 8 |
- FXGETFLAG_ALPHA_STROKE(alpha_flag);
- if (!RenderRasterizer(rasterizer, stroke_color,
- fill_mode & FXFILL_FULLCOVER, m_bGroupKnockout,
- fill_flag, pIccTransform)) {
- return FALSE;
- }
- }
- return TRUE;
-}
-void RgbByteOrderSetPixel(CFX_DIBitmap* pBitmap, int x, int y, FX_DWORD argb) {
- if (x < 0 || x >= pBitmap->GetWidth() || y < 0 || y >= pBitmap->GetHeight()) {
- return;
- }
- uint8_t* pos = (uint8_t*)pBitmap->GetBuffer() + y * pBitmap->GetPitch() +
- x * pBitmap->GetBPP() / 8;
- if (pBitmap->GetFormat() == FXDIB_Argb) {
- FXARGB_SETRGBORDERDIB(pos, ArgbGamma(argb));
- } else {
- int alpha = FXARGB_A(argb);
- pos[0] = (FXARGB_R(argb) * alpha + pos[0] * (255 - alpha)) / 255;
- pos[1] = (FXARGB_G(argb) * alpha + pos[1] * (255 - alpha)) / 255;
- pos[2] = (FXARGB_B(argb) * alpha + pos[2] * (255 - alpha)) / 255;
- }
-}
-void RgbByteOrderCompositeRect(CFX_DIBitmap* pBitmap,
- int left,
- int top,
- int width,
- int height,
- FX_ARGB argb) {
- int src_alpha = FXARGB_A(argb);
- if (src_alpha == 0) {
- return;
- }
- FX_RECT rect(left, top, left + width, top + height);
- rect.Intersect(0, 0, pBitmap->GetWidth(), pBitmap->GetHeight());
- width = rect.Width();
- int src_r = FXARGB_R(argb), src_g = FXARGB_G(argb), src_b = FXARGB_B(argb);
- int Bpp = pBitmap->GetBPP() / 8;
- FX_BOOL bAlpha = pBitmap->HasAlpha();
- int dib_argb = FXARGB_TOBGRORDERDIB(argb);
- uint8_t* pBuffer = pBitmap->GetBuffer();
- if (src_alpha == 255) {
- for (int row = rect.top; row < rect.bottom; row++) {
- uint8_t* dest_scan =
- pBuffer + row * pBitmap->GetPitch() + rect.left * Bpp;
- if (Bpp == 4) {
- FX_DWORD* scan = (FX_DWORD*)dest_scan;
- for (int col = 0; col < width; col++) {
- *scan++ = dib_argb;
- }
- } else {
- for (int col = 0; col < width; col++) {
- *dest_scan++ = src_r;
- *dest_scan++ = src_g;
- *dest_scan++ = src_b;
- }
- }
- }
- return;
- }
- src_r = FX_GAMMA(src_r);
- src_g = FX_GAMMA(src_g);
- src_b = FX_GAMMA(src_b);
- for (int row = rect.top; row < rect.bottom; row++) {
- uint8_t* dest_scan = pBuffer + row * pBitmap->GetPitch() + rect.left * Bpp;
- if (bAlpha) {
- for (int col = 0; col < width; col++) {
- uint8_t back_alpha = dest_scan[3];
- if (back_alpha == 0) {
- FXARGB_SETRGBORDERDIB(dest_scan,
- FXARGB_MAKE(src_alpha, src_r, src_g, src_b));
- dest_scan += 4;
- continue;
- }
- uint8_t dest_alpha =
- back_alpha + src_alpha - back_alpha * src_alpha / 255;
- dest_scan[3] = dest_alpha;
- int alpha_ratio = src_alpha * 255 / dest_alpha;
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, src_r, alpha_ratio);
- dest_scan++;
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, src_g, alpha_ratio);
- dest_scan++;
- *dest_scan = FXDIB_ALPHA_MERGE(*dest_scan, src_b, alpha_ratio);
- dest_scan += 2;
- }
- } else {
- for (int col = 0; col < width; col++) {
- *dest_scan = FX_GAMMA_INVERSE(
- FXDIB_ALPHA_MERGE(FX_GAMMA(*dest_scan), src_r, src_alpha));
- dest_scan++;
- *dest_scan = FX_GAMMA_INVERSE(
- FXDIB_ALPHA_MERGE(FX_GAMMA(*dest_scan), src_g, src_alpha));
- dest_scan++;
- *dest_scan = FX_GAMMA_INVERSE(
- FXDIB_ALPHA_MERGE(FX_GAMMA(*dest_scan), src_b, src_alpha));
- dest_scan++;
- if (Bpp == 4) {
- dest_scan++;
- }
- }
- }
- }
-}
-void RgbByteOrderTransferBitmap(CFX_DIBitmap* pBitmap,
- int dest_left,
- int dest_top,
- int width,
- int height,
- const CFX_DIBSource* pSrcBitmap,
- int src_left,
- int src_top) {
- if (!pBitmap) {
- return;
- }
- pBitmap->GetOverlapRect(dest_left, dest_top, width, height,
- pSrcBitmap->GetWidth(), pSrcBitmap->GetHeight(),
- src_left, src_top, NULL);
- if (width == 0 || height == 0) {
- return;
- }
- int Bpp = pBitmap->GetBPP() / 8;
- FXDIB_Format dest_format = pBitmap->GetFormat();
- FXDIB_Format src_format = pSrcBitmap->GetFormat();
- int pitch = pBitmap->GetPitch();
- uint8_t* buffer = pBitmap->GetBuffer();
- if (dest_format == src_format) {
- for (int row = 0; row < height; row++) {
- uint8_t* dest_scan = buffer + (dest_top + row) * pitch + dest_left * Bpp;
- uint8_t* src_scan =
- (uint8_t*)pSrcBitmap->GetScanline(src_top + row) + src_left * Bpp;
- if (Bpp == 4) {
- for (int col = 0; col < width; col++) {
- FXARGB_SETDIB(dest_scan, FXARGB_MAKE(src_scan[3], src_scan[0],
- src_scan[1], src_scan[2]));
- dest_scan += 4;
- src_scan += 4;
- }
- } else {
- for (int col = 0; col < width; col++) {
- *dest_scan++ = src_scan[2];
- *dest_scan++ = src_scan[1];
- *dest_scan++ = src_scan[0];
- src_scan += 3;
- }
- }
- }
- return;
- }
- uint8_t* dest_buf = buffer + dest_top * pitch + dest_left * Bpp;
- if (dest_format == FXDIB_Rgb) {
- if (src_format == FXDIB_Rgb32) {
- for (int row = 0; row < height; row++) {
- uint8_t* dest_scan = dest_buf + row * pitch;
- uint8_t* src_scan =
- (uint8_t*)pSrcBitmap->GetScanline(src_top + row) + src_left * 4;
- for (int col = 0; col < width; col++) {
- *dest_scan++ = src_scan[2];
- *dest_scan++ = src_scan[1];
- *dest_scan++ = src_scan[0];
- src_scan += 4;
- }
- }
- } else {
- ASSERT(FALSE);
- }
- } else if (dest_format == FXDIB_Argb || dest_format == FXDIB_Rgb32) {
- if (src_format == FXDIB_Rgb) {
- for (int row = 0; row < height; row++) {
- uint8_t* dest_scan = (uint8_t*)(dest_buf + row * pitch);
- uint8_t* src_scan =
- (uint8_t*)pSrcBitmap->GetScanline(src_top + row) + src_left * 3;
- if (src_format == FXDIB_Argb) {
- for (int col = 0; col < width; col++) {
- FXARGB_SETDIB(dest_scan, FXARGB_MAKE(0xff, FX_GAMMA(src_scan[0]),
- FX_GAMMA(src_scan[1]),
- FX_GAMMA(src_scan[2])));
- dest_scan += 4;
- src_scan += 3;
- }
- } else {
- for (int col = 0; col < width; col++) {
- FXARGB_SETDIB(dest_scan, FXARGB_MAKE(0xff, src_scan[0], src_scan[1],
- src_scan[2]));
- dest_scan += 4;
- src_scan += 3;
- }
- }
- }
- } else if (src_format == FXDIB_Rgb32) {
- ASSERT(dest_format == FXDIB_Argb);
- for (int row = 0; row < height; row++) {
- uint8_t* dest_scan = dest_buf + row * pitch;
- uint8_t* src_scan =
- (uint8_t*)(pSrcBitmap->GetScanline(src_top + row) + src_left * 4);
- for (int col = 0; col < width; col++) {
- FXARGB_SETDIB(dest_scan, FXARGB_MAKE(0xff, src_scan[0], src_scan[1],
- src_scan[2]));
- src_scan += 4;
- dest_scan += 4;
- }
- }
- }
- } else {
- ASSERT(FALSE);
- }
-}
-FX_ARGB _DefaultCMYK2ARGB(FX_CMYK cmyk, uint8_t alpha) {
- uint8_t r, g, b;
- AdobeCMYK_to_sRGB1(FXSYS_GetCValue(cmyk), FXSYS_GetMValue(cmyk),
- FXSYS_GetYValue(cmyk), FXSYS_GetKValue(cmyk), r, g, b);
- return ArgbEncode(alpha, r, g, b);
-}
-FX_BOOL _DibSetPixel(CFX_DIBitmap* pDevice,
- int x,
- int y,
- FX_DWORD color,
- int alpha_flag,
- void* pIccTransform) {
- FX_BOOL bObjCMYK = FXGETFLAG_COLORTYPE(alpha_flag);
- int alpha = bObjCMYK ? FXGETFLAG_ALPHA_FILL(alpha_flag) : FXARGB_A(color);
- if (pIccTransform) {
- ICodec_IccModule* pIccModule =
- CFX_GEModule::Get()->GetCodecModule()->GetIccModule();
- color = bObjCMYK ? FXCMYK_TODIB(color) : FXARGB_TODIB(color);
- pIccModule->TranslateScanline(pIccTransform, (uint8_t*)&color,
- (uint8_t*)&color, 1);
- color = bObjCMYK ? FXCMYK_TODIB(color) : FXARGB_TODIB(color);
- if (!pDevice->IsCmykImage()) {
- color = (color & 0xffffff) | (alpha << 24);
- }
- } else {
- if (pDevice->IsCmykImage()) {
- if (!bObjCMYK) {
- return FALSE;
- }
- } else {
- if (bObjCMYK) {
- color = _DefaultCMYK2ARGB(color, alpha);
- }
- }
- }
- pDevice->SetPixel(x, y, color);
- if (pDevice->m_pAlphaMask) {
- pDevice->m_pAlphaMask->SetPixel(x, y, alpha << 24);
- }
- return TRUE;
-}
-FX_BOOL CFX_AggDeviceDriver::SetPixel(int x,
- int y,
- FX_DWORD color,
- int alpha_flag,
- void* pIccTransform) {
- if (!m_pBitmap->GetBuffer()) {
- return TRUE;
- }
- if (!CFX_GEModule::Get()->GetCodecModule() ||
- !CFX_GEModule::Get()->GetCodecModule()->GetIccModule()) {
- pIccTransform = NULL;
- }
- if (!m_pClipRgn) {
- if (m_bRgbByteOrder) {
- RgbByteOrderSetPixel(m_pBitmap, x, y, color);
- } else {
- return _DibSetPixel(m_pBitmap, x, y, color, alpha_flag, pIccTransform);
- }
- } else if (m_pClipRgn->GetBox().Contains(x, y)) {
- if (m_pClipRgn->GetType() == CFX_ClipRgn::RectI) {
- if (m_bRgbByteOrder) {
- RgbByteOrderSetPixel(m_pBitmap, x, y, color);
- } else {
- return _DibSetPixel(m_pBitmap, x, y, color, alpha_flag, pIccTransform);
- }
- } else if (m_pClipRgn->GetType() == CFX_ClipRgn::MaskF) {
- const CFX_DIBitmap* pMask = m_pClipRgn->GetMask();
- FX_BOOL bCMYK = FXGETFLAG_COLORTYPE(alpha_flag);
- int new_alpha =
- bCMYK ? FXGETFLAG_ALPHA_FILL(alpha_flag) : FXARGB_A(color);
- new_alpha = new_alpha * pMask->GetScanline(y)[x] / 255;
- if (m_bRgbByteOrder) {
- RgbByteOrderSetPixel(m_pBitmap, x, y,
- (color & 0xffffff) | (new_alpha << 24));
- return TRUE;
- }
- if (bCMYK) {
- FXSETFLAG_ALPHA_FILL(alpha_flag, new_alpha);
- } else {
- color = (color & 0xffffff) | (new_alpha << 24);
- }
- return _DibSetPixel(m_pBitmap, x, y, color, alpha_flag, pIccTransform);
- }
- }
- return TRUE;
-}
-FX_BOOL CFX_AggDeviceDriver::FillRect(const FX_RECT* pRect,
- FX_DWORD fill_color,
- int alpha_flag,
- void* pIccTransform,
- int blend_type) {
- if (blend_type != FXDIB_BLEND_NORMAL) {
- return FALSE;
- }
- if (!m_pBitmap->GetBuffer()) {
- return TRUE;
- }
- FX_RECT clip_rect;
- GetClipBox(&clip_rect);
- FX_RECT draw_rect = clip_rect;
- if (pRect) {
- draw_rect.Intersect(*pRect);
- }
- if (draw_rect.IsEmpty()) {
- return TRUE;
- }
- if (!m_pClipRgn || m_pClipRgn->GetType() == CFX_ClipRgn::RectI) {
- if (m_bRgbByteOrder) {
- RgbByteOrderCompositeRect(m_pBitmap, draw_rect.left, draw_rect.top,
- draw_rect.Width(), draw_rect.Height(),
- fill_color);
- } else {
- m_pBitmap->CompositeRect(draw_rect.left, draw_rect.top, draw_rect.Width(),
- draw_rect.Height(), fill_color, alpha_flag,
- pIccTransform);
- }
- return TRUE;
- }
- m_pBitmap->CompositeMask(
- draw_rect.left, draw_rect.top, draw_rect.Width(), draw_rect.Height(),
- (const CFX_DIBitmap*)m_pClipRgn->GetMask(), fill_color,
- draw_rect.left - clip_rect.left, draw_rect.top - clip_rect.top,
- FXDIB_BLEND_NORMAL, NULL, m_bRgbByteOrder, alpha_flag, pIccTransform);
- return TRUE;
-}
-FX_BOOL CFX_AggDeviceDriver::GetClipBox(FX_RECT* pRect) {
- if (!m_pClipRgn) {
- pRect->left = pRect->top = 0;
- pRect->right = GetDeviceCaps(FXDC_PIXEL_WIDTH);
- pRect->bottom = GetDeviceCaps(FXDC_PIXEL_HEIGHT);
- return TRUE;
- }
- *pRect = m_pClipRgn->GetBox();
- return TRUE;
-}
-FX_BOOL CFX_AggDeviceDriver::GetDIBits(CFX_DIBitmap* pBitmap,
- int left,
- int top,
- void* pIccTransform,
- FX_BOOL bDEdge) {
- if (!m_pBitmap->GetBuffer()) {
- return TRUE;
- }
- if (bDEdge) {
- if (m_bRgbByteOrder) {
- RgbByteOrderTransferBitmap(pBitmap, 0, 0, pBitmap->GetWidth(),
- pBitmap->GetHeight(), m_pBitmap, left, top);
- } else {
- return pBitmap->TransferBitmap(0, 0, pBitmap->GetWidth(),
- pBitmap->GetHeight(), m_pBitmap, left, top,
- pIccTransform);
- }
- return TRUE;
- }
- FX_RECT rect(left, top, left + pBitmap->GetWidth(),
- top + pBitmap->GetHeight());
- CFX_DIBitmap* pBack = NULL;
- if (m_pOriDevice) {
- pBack = m_pOriDevice->Clone(&rect);
- if (!pBack) {
- return TRUE;
- }
- pBack->CompositeBitmap(0, 0, pBack->GetWidth(), pBack->GetHeight(),
- m_pBitmap, 0, 0);
- } else {
- pBack = m_pBitmap->Clone(&rect);
- }
- if (!pBack) {
- return TRUE;
- }
- FX_BOOL bRet = TRUE;
- left = left >= 0 ? 0 : left;
- top = top >= 0 ? 0 : top;
- if (m_bRgbByteOrder) {
- RgbByteOrderTransferBitmap(pBitmap, 0, 0, rect.Width(), rect.Height(),
- pBack, left, top);
- } else {
- bRet = pBitmap->TransferBitmap(0, 0, rect.Width(), rect.Height(), pBack,
- left, top, pIccTransform);
- }
- delete pBack;
- return bRet;
-}
-FX_BOOL CFX_AggDeviceDriver::SetDIBits(const CFX_DIBSource* pBitmap,
- FX_DWORD argb,
- const FX_RECT* pSrcRect,
- int left,
- int top,
- int blend_type,
- int alpha_flag,
- void* pIccTransform) {
- if (!m_pBitmap->GetBuffer()) {
- return TRUE;
- }
- if (pBitmap->IsAlphaMask())
- return m_pBitmap->CompositeMask(
- left, top, pSrcRect->Width(), pSrcRect->Height(), pBitmap, argb,
- pSrcRect->left, pSrcRect->top, blend_type, m_pClipRgn, m_bRgbByteOrder,
- alpha_flag, pIccTransform);
- return m_pBitmap->CompositeBitmap(
- left, top, pSrcRect->Width(), pSrcRect->Height(), pBitmap, pSrcRect->left,
- pSrcRect->top, blend_type, m_pClipRgn, m_bRgbByteOrder, pIccTransform);
-}
-FX_BOOL CFX_AggDeviceDriver::StretchDIBits(const CFX_DIBSource* pSource,
- FX_DWORD argb,
- int dest_left,
- int dest_top,
- int dest_width,
- int dest_height,
- const FX_RECT* pClipRect,
- FX_DWORD flags,
- int alpha_flag,
- void* pIccTransform,
- int blend_type) {
- if (!m_pBitmap->GetBuffer()) {
- return TRUE;
- }
- if (dest_width == pSource->GetWidth() &&
- dest_height == pSource->GetHeight()) {
- FX_RECT rect(0, 0, dest_width, dest_height);
- return SetDIBits(pSource, argb, &rect, dest_left, dest_top, blend_type,
- alpha_flag, pIccTransform);
- }
- FX_RECT dest_rect(dest_left, dest_top, dest_left + dest_width,
- dest_top + dest_height);
- dest_rect.Normalize();
- FX_RECT dest_clip = dest_rect;
- dest_clip.Intersect(*pClipRect);
- CFX_BitmapComposer composer;
- composer.Compose(m_pBitmap, m_pClipRgn, 255, argb, dest_clip, FALSE, FALSE,
- FALSE, m_bRgbByteOrder, alpha_flag, pIccTransform,
- blend_type);
- dest_clip.Offset(-dest_rect.left, -dest_rect.top);
- CFX_ImageStretcher stretcher;
- if (stretcher.Start(&composer, pSource, dest_width, dest_height, dest_clip,
- flags)) {
- stretcher.Continue(NULL);
- }
- return TRUE;
-}
-FX_BOOL CFX_AggDeviceDriver::StartDIBits(const CFX_DIBSource* pSource,
- int bitmap_alpha,
- FX_DWORD argb,
- const CFX_Matrix* pMatrix,
- FX_DWORD render_flags,
- void*& handle,
- int alpha_flag,
- void* pIccTransform,
- int blend_type) {
- if (!m_pBitmap->GetBuffer()) {
- return TRUE;
- }
- CFX_ImageRenderer* pRenderer = new CFX_ImageRenderer;
- pRenderer->Start(m_pBitmap, m_pClipRgn, pSource, bitmap_alpha, argb, pMatrix,
- render_flags, m_bRgbByteOrder, alpha_flag, pIccTransform);
- handle = pRenderer;
- return TRUE;
-}
-FX_BOOL CFX_AggDeviceDriver::ContinueDIBits(void* pHandle, IFX_Pause* pPause) {
- if (!m_pBitmap->GetBuffer()) {
- return TRUE;
- }
- return ((CFX_ImageRenderer*)pHandle)->Continue(pPause);
-}
-void CFX_AggDeviceDriver::CancelDIBits(void* pHandle) {
- if (!m_pBitmap->GetBuffer()) {
- return;
- }
- delete (CFX_ImageRenderer*)pHandle;
-}
-CFX_FxgeDevice::CFX_FxgeDevice() {
- m_bOwnedBitmap = FALSE;
-}
-FX_BOOL CFX_FxgeDevice::Attach(CFX_DIBitmap* pBitmap,
- int dither_bits,
- FX_BOOL bRgbByteOrder,
- CFX_DIBitmap* pOriDevice,
- FX_BOOL bGroupKnockout) {
- if (!pBitmap) {
- return FALSE;
- }
- SetBitmap(pBitmap);
- IFX_RenderDeviceDriver* pDriver = new CFX_AggDeviceDriver(
- pBitmap, dither_bits, bRgbByteOrder, pOriDevice, bGroupKnockout);
- SetDeviceDriver(pDriver);
- return TRUE;
-}
-FX_BOOL CFX_FxgeDevice::Create(int width,
- int height,
- FXDIB_Format format,
- int dither_bits,
- CFX_DIBitmap* pOriDevice) {
- m_bOwnedBitmap = TRUE;
- CFX_DIBitmap* pBitmap = new CFX_DIBitmap;
- if (!pBitmap->Create(width, height, format)) {
- delete pBitmap;
- return FALSE;
- }
- SetBitmap(pBitmap);
- IFX_RenderDeviceDriver* pDriver =
- new CFX_AggDeviceDriver(pBitmap, dither_bits, FALSE, pOriDevice, FALSE);
- SetDeviceDriver(pDriver);
- return TRUE;
-}
-CFX_FxgeDevice::~CFX_FxgeDevice() {
- if (m_bOwnedBitmap) {
- delete GetBitmap();
- }
-}
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