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Unified Diff: core/src/fxge/ge/fx_ge_text.cpp

Issue 1800523005: Move core/src/ up to core/. (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/ge/fx_ge_text.cpp
diff --git a/core/src/fxge/ge/fx_ge_text.cpp b/core/src/fxge/ge/fx_ge_text.cpp
deleted file mode 100644
index 8fb03d86eb9a7aafeb8d73b05223b428a0148790..0000000000000000000000000000000000000000
--- a/core/src/fxge/ge/fx_ge_text.cpp
+++ /dev/null
@@ -1,1872 +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/include/fxcodec/fx_codec.h"
-#include "core/include/fxge/fx_freetype.h"
-#include "core/include/fxge/fx_ge.h"
-#include "core/src/fxge/ge/fx_text_int.h"
-
-#undef FX_GAMMA
-#undef FX_GAMMA_INVERSE
-#define FX_GAMMA(value) (value)
-#define FX_GAMMA_INVERSE(value) (value)
-
-namespace {
-
-void ResetTransform(FT_Face face) {
- FXFT_Matrix matrix;
- matrix.xx = 0x10000L;
- matrix.xy = 0;
- matrix.yx = 0;
- matrix.yy = 0x10000L;
- FXFT_Set_Transform(face, &matrix, 0);
-}
-
-// Sets the given transform on the font, and resets it to the identity when it
-// goes out of scope.
-class ScopedFontTransform {
- public:
- ScopedFontTransform(FT_Face face, FXFT_Matrix* matrix) : m_Face(face) {
- FXFT_Set_Transform(m_Face, matrix, 0);
- }
-
- ~ScopedFontTransform() { ResetTransform(m_Face); }
-
- private:
- FT_Face m_Face;
-};
-
-} // namespace
-
-FX_RECT FXGE_GetGlyphsBBox(FXTEXT_GLYPHPOS* pGlyphAndPos,
- int nChars,
- int anti_alias,
- FX_FLOAT retinaScaleX,
- FX_FLOAT retinaScaleY) {
- FX_RECT rect(0, 0, 0, 0);
- FX_BOOL bStarted = FALSE;
- for (int iChar = 0; iChar < nChars; iChar++) {
- FXTEXT_GLYPHPOS& glyph = pGlyphAndPos[iChar];
- const CFX_GlyphBitmap* pGlyph = glyph.m_pGlyph;
- if (!pGlyph) {
- continue;
- }
- int char_left = glyph.m_OriginX + pGlyph->m_Left;
- int char_width = (int)(pGlyph->m_Bitmap.GetWidth() / retinaScaleX);
- if (anti_alias == FXFT_RENDER_MODE_LCD) {
- char_width /= 3;
- }
- int char_right = char_left + char_width;
- int char_top = glyph.m_OriginY - pGlyph->m_Top;
- int char_bottom =
- char_top + (int)(pGlyph->m_Bitmap.GetHeight() / retinaScaleY);
- if (!bStarted) {
- rect.left = char_left;
- rect.right = char_right;
- rect.top = char_top;
- rect.bottom = char_bottom;
- bStarted = TRUE;
- } else {
- if (rect.left > char_left) {
- rect.left = char_left;
- }
- if (rect.right < char_right) {
- rect.right = char_right;
- }
- if (rect.top > char_top) {
- rect.top = char_top;
- }
- if (rect.bottom < char_bottom) {
- rect.bottom = char_bottom;
- }
- }
- }
- return rect;
-}
-static void _AdjustGlyphSpace(FXTEXT_GLYPHPOS* pGlyphAndPos, int nChars) {
- ASSERT(nChars > 1);
- FX_BOOL bVertical = FALSE;
- if (pGlyphAndPos[nChars - 1].m_OriginX == pGlyphAndPos[0].m_OriginX) {
- bVertical = TRUE;
- } else if (pGlyphAndPos[nChars - 1].m_OriginY != pGlyphAndPos[0].m_OriginY) {
- return;
- }
- int i = nChars - 1;
- int* next_origin =
- bVertical ? &pGlyphAndPos[i].m_OriginY : &pGlyphAndPos[i].m_OriginX;
- FX_FLOAT next_origin_f =
- bVertical ? pGlyphAndPos[i].m_fOriginY : pGlyphAndPos[i].m_fOriginX;
- for (i--; i > 0; i--) {
- int* this_origin =
- bVertical ? &pGlyphAndPos[i].m_OriginY : &pGlyphAndPos[i].m_OriginX;
- FX_FLOAT this_origin_f =
- bVertical ? pGlyphAndPos[i].m_fOriginY : pGlyphAndPos[i].m_fOriginX;
- int space = (*next_origin) - (*this_origin);
- FX_FLOAT space_f = next_origin_f - this_origin_f;
- FX_FLOAT error =
- (FX_FLOAT)(FXSYS_fabs(space_f) - FXSYS_fabs((FX_FLOAT)(space)));
- if (error > 0.5f) {
- *this_origin += space > 0 ? -1 : 1;
- }
- next_origin = this_origin;
- next_origin_f = this_origin_f;
- }
-}
-static const uint8_t g_TextGammaAdjust[256] = {
- 0, 2, 3, 4, 6, 7, 8, 10, 11, 12, 13, 15, 16, 17, 18,
- 19, 21, 22, 23, 24, 25, 26, 27, 29, 30, 31, 32, 33, 34, 35,
- 36, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 51, 52,
- 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, 63, 64, 65, 66, 67,
- 68, 69, 71, 72, 73, 74, 75, 76, 77, 78, 79, 80, 81, 82, 83,
- 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97, 98,
- 99, 100, 101, 102, 103, 104, 105, 106, 107, 108, 109, 110, 111, 112, 113,
- 114, 115, 116, 117, 118, 119, 120, 121, 122, 123, 124, 125, 126, 127, 128,
- 129, 129, 130, 131, 132, 133, 134, 135, 136, 137, 138, 139, 140, 141, 142,
- 143, 144, 145, 146, 147, 148, 149, 150, 151, 152, 153, 154, 155, 156, 156,
- 157, 158, 159, 160, 161, 162, 163, 164, 165, 166, 167, 168, 169, 170, 171,
- 172, 173, 174, 174, 175, 176, 177, 178, 179, 180, 181, 182, 183, 184, 185,
- 186, 187, 188, 189, 190, 190, 191, 192, 193, 194, 195, 196, 197, 198, 199,
- 200, 201, 202, 203, 204, 204, 205, 206, 207, 208, 209, 210, 211, 212, 213,
- 214, 215, 216, 217, 217, 218, 219, 220, 221, 222, 223, 224, 225, 226, 227,
- 228, 228, 229, 230, 231, 232, 233, 234, 235, 236, 237, 238, 239, 239, 240,
- 241, 242, 243, 244, 245, 246, 247, 248, 249, 250, 250, 251, 252, 253, 254,
- 255,
-};
-#define ADJUST_ALPHA(background, foreground, src_alpha, text_flags, a) \
- src_alpha = g_TextGammaAdjust[(uint8_t)src_alpha];
-void _Color2Argb(FX_ARGB& argb,
- FX_DWORD color,
- int alpha_flag,
- void* pIccTransform) {
- if (!pIccTransform && !FXGETFLAG_COLORTYPE(alpha_flag)) {
- argb = color;
- return;
- }
- if (!CFX_GEModule::Get()->GetCodecModule() ||
- !CFX_GEModule::Get()->GetCodecModule()->GetIccModule()) {
- pIccTransform = NULL;
- }
- uint8_t bgra[4];
- if (pIccTransform) {
- ICodec_IccModule* pIccModule =
- CFX_GEModule::Get()->GetCodecModule()->GetIccModule();
- color = FXGETFLAG_COLORTYPE(alpha_flag) ? FXCMYK_TODIB(color)
- : FXARGB_TODIB(color);
- pIccModule->TranslateScanline(pIccTransform, bgra, (const uint8_t*)&color,
- 1);
- bgra[3] = FXGETFLAG_COLORTYPE(alpha_flag)
- ? (alpha_flag >> 24) ? FXGETFLAG_ALPHA_FILL(alpha_flag)
- : FXGETFLAG_ALPHA_STROKE(alpha_flag)
- : FXARGB_A(color);
- argb = FXARGB_MAKE(bgra[3], bgra[2], bgra[1], bgra[0]);
- return;
- }
- AdobeCMYK_to_sRGB1(FXSYS_GetCValue(color), FXSYS_GetMValue(color),
- FXSYS_GetYValue(color), FXSYS_GetKValue(color), bgra[2],
- bgra[1], bgra[0]);
- bgra[3] = (alpha_flag >> 24) ? FXGETFLAG_ALPHA_FILL(alpha_flag)
- : FXGETFLAG_ALPHA_STROKE(alpha_flag);
- argb = FXARGB_MAKE(bgra[3], bgra[2], bgra[1], bgra[0]);
-}
-FX_BOOL CFX_RenderDevice::DrawNormalText(int nChars,
- const FXTEXT_CHARPOS* pCharPos,
- CFX_Font* pFont,
- CFX_FontCache* pCache,
- FX_FLOAT font_size,
- const CFX_Matrix* pText2Device,
- FX_DWORD fill_color,
- FX_DWORD text_flags,
- int alpha_flag,
- void* pIccTransform) {
- int nativetext_flags = text_flags;
- if (m_DeviceClass != FXDC_DISPLAY) {
- if (!(text_flags & FXTEXT_PRINTGRAPHICTEXT)) {
- bool should_call_draw_device_text = true;
-#if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_
- if ((text_flags & FXFONT_CIDFONT) ||
- (pFont->GetPsName().Find(CFX_WideString::FromLocal("+ZJHL")) != -1) ||
- (pFont->GetPsName() == CFX_WideString::FromLocal("CNAAJI+cmex10"))) {
- should_call_draw_device_text = false;
- }
-#endif
- if (should_call_draw_device_text &&
- m_pDeviceDriver->DrawDeviceText(nChars, pCharPos, pFont, pCache,
- pText2Device, font_size, fill_color,
- alpha_flag, pIccTransform)) {
- return TRUE;
- }
- }
- int alpha = FXGETFLAG_COLORTYPE(alpha_flag)
- ? FXGETFLAG_ALPHA_FILL(alpha_flag)
- : FXARGB_A(fill_color);
- if (alpha < 255) {
- return FALSE;
- }
- } else if (!(text_flags & FXTEXT_NO_NATIVETEXT)) {
- bool should_call_draw_device_text = true;
-#if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_
- if ((text_flags & FXFONT_CIDFONT) ||
- (pFont->GetPsName() == CFX_WideString::FromLocal("CNAAJI+cmex10"))) {
- should_call_draw_device_text = false;
- }
-#endif
- if (should_call_draw_device_text &&
- m_pDeviceDriver->DrawDeviceText(nChars, pCharPos, pFont, pCache,
- pText2Device, font_size, fill_color,
- alpha_flag, pIccTransform)) {
- return TRUE;
- }
- }
- CFX_Matrix char2device, deviceCtm, text2Device;
- if (pText2Device) {
- char2device = *pText2Device;
- text2Device = *pText2Device;
- }
- char2device.Scale(font_size, -font_size);
- if (FXSYS_fabs(char2device.a) + FXSYS_fabs(char2device.b) > 50 * 1.0f ||
- ((m_DeviceClass == FXDC_PRINTER && !m_pDeviceDriver->IsPSPrintDriver()) &&
- !(text_flags & FXTEXT_PRINTIMAGETEXT))) {
- if (pFont->GetFace() ||
- (pFont->GetSubstFont()->m_SubstFlags & FXFONT_SUBST_GLYPHPATH)) {
- int nPathFlags =
- (text_flags & FXTEXT_NOSMOOTH) == 0 ? 0 : FXFILL_NOPATHSMOOTH;
- return DrawTextPath(nChars, pCharPos, pFont, pCache, font_size,
- pText2Device, NULL, NULL, fill_color, 0, NULL,
- nPathFlags, alpha_flag, pIccTransform);
- }
- }
- int anti_alias = FXFT_RENDER_MODE_MONO;
- FX_BOOL bNormal = FALSE;
- if ((text_flags & FXTEXT_NOSMOOTH) == 0) {
- if (m_DeviceClass == FXDC_DISPLAY && m_bpp > 1) {
- FX_BOOL bClearType;
- if (!pFont->GetFace() &&
- !(pFont->GetSubstFont()->m_SubstFlags & FXFONT_SUBST_CLEARTYPE)) {
- bClearType = FALSE;
- } else {
- bClearType = text_flags & FXTEXT_CLEARTYPE;
- }
- if ((m_RenderCaps & (FXRC_ALPHA_OUTPUT | FXRC_CMYK_OUTPUT))) {
- anti_alias = FXFT_RENDER_MODE_LCD;
- bNormal = TRUE;
- } else if (m_bpp < 16) {
- anti_alias = FXFT_RENDER_MODE_NORMAL;
- } else {
- if (bClearType == FALSE) {
- anti_alias = FXFT_RENDER_MODE_LCD;
- bNormal = TRUE;
- } else {
- anti_alias = FXFT_RENDER_MODE_LCD;
- }
- }
- }
- }
- if (!pCache) {
- pCache = CFX_GEModule::Get()->GetFontCache();
- }
- CFX_FaceCache* pFaceCache = pCache->GetCachedFace(pFont);
- FX_FONTCACHE_DEFINE(pCache, pFont);
- FXTEXT_GLYPHPOS* pGlyphAndPos = FX_Alloc(FXTEXT_GLYPHPOS, nChars);
- int iChar;
- deviceCtm = char2device;
- CFX_Matrix matrixCTM = GetCTM();
- FX_FLOAT scale_x = FXSYS_fabs(matrixCTM.a);
- FX_FLOAT scale_y = FXSYS_fabs(matrixCTM.d);
- deviceCtm.Concat(scale_x, 0, 0, scale_y, 0, 0);
- text2Device.Concat(scale_x, 0, 0, scale_y, 0, 0);
- for (iChar = 0; iChar < nChars; iChar++) {
- FXTEXT_GLYPHPOS& glyph = pGlyphAndPos[iChar];
- const FXTEXT_CHARPOS& charpos = pCharPos[iChar];
- glyph.m_fOriginX = charpos.m_OriginX;
- glyph.m_fOriginY = charpos.m_OriginY;
- text2Device.Transform(glyph.m_fOriginX, glyph.m_fOriginY);
- if (anti_alias < FXFT_RENDER_MODE_LCD) {
- glyph.m_OriginX = FXSYS_round(glyph.m_fOriginX);
- } else {
- glyph.m_OriginX = (int)FXSYS_floor(glyph.m_fOriginX);
- }
- glyph.m_OriginY = FXSYS_round(glyph.m_fOriginY);
- if (charpos.m_bGlyphAdjust) {
- CFX_Matrix new_matrix(
- charpos.m_AdjustMatrix[0], charpos.m_AdjustMatrix[1],
- charpos.m_AdjustMatrix[2], charpos.m_AdjustMatrix[3], 0, 0);
- new_matrix.Concat(deviceCtm);
- glyph.m_pGlyph = pFaceCache->LoadGlyphBitmap(
- pFont, charpos.m_GlyphIndex, charpos.m_bFontStyle, &new_matrix,
- charpos.m_FontCharWidth, anti_alias, nativetext_flags);
- } else {
- glyph.m_pGlyph = pFaceCache->LoadGlyphBitmap(
- pFont, charpos.m_GlyphIndex, charpos.m_bFontStyle, &deviceCtm,
- charpos.m_FontCharWidth, anti_alias, nativetext_flags);
- }
- }
- if (anti_alias < FXFT_RENDER_MODE_LCD && nChars > 1) {
- _AdjustGlyphSpace(pGlyphAndPos, nChars);
- }
- FX_RECT bmp_rect1 = FXGE_GetGlyphsBBox(pGlyphAndPos, nChars, anti_alias);
- if (scale_x > 1 && scale_y > 1) {
- bmp_rect1.left--;
- bmp_rect1.top--;
- bmp_rect1.right++;
- bmp_rect1.bottom++;
- }
- FX_RECT bmp_rect(FXSYS_round((FX_FLOAT)(bmp_rect1.left) / scale_x),
- FXSYS_round((FX_FLOAT)(bmp_rect1.top) / scale_y),
- FXSYS_round((FX_FLOAT)bmp_rect1.right / scale_x),
- FXSYS_round((FX_FLOAT)bmp_rect1.bottom / scale_y));
- bmp_rect.Intersect(m_ClipBox);
- if (bmp_rect.IsEmpty()) {
- FX_Free(pGlyphAndPos);
- return TRUE;
- }
- int pixel_width = FXSYS_round(bmp_rect.Width() * scale_x);
- int pixel_height = FXSYS_round(bmp_rect.Height() * scale_y);
- int pixel_left = FXSYS_round(bmp_rect.left * scale_x);
- int pixel_top = FXSYS_round(bmp_rect.top * scale_y);
- if (anti_alias == FXFT_RENDER_MODE_MONO) {
- CFX_DIBitmap bitmap;
- if (!bitmap.Create(pixel_width, pixel_height, FXDIB_1bppMask)) {
- FX_Free(pGlyphAndPos);
- return FALSE;
- }
- bitmap.Clear(0);
- for (iChar = 0; iChar < nChars; iChar++) {
- FXTEXT_GLYPHPOS& glyph = pGlyphAndPos[iChar];
- if (!glyph.m_pGlyph) {
- continue;
- }
- const CFX_DIBitmap* pGlyph = &glyph.m_pGlyph->m_Bitmap;
- bitmap.TransferBitmap(
- glyph.m_OriginX + glyph.m_pGlyph->m_Left - pixel_left,
- glyph.m_OriginY - glyph.m_pGlyph->m_Top - pixel_top,
- pGlyph->GetWidth(), pGlyph->GetHeight(), pGlyph, 0, 0);
- }
- FX_Free(pGlyphAndPos);
- return SetBitMask(&bitmap, bmp_rect.left, bmp_rect.top, fill_color);
- }
- CFX_DIBitmap bitmap;
- if (m_bpp == 8) {
- if (!bitmap.Create(pixel_width, pixel_height, FXDIB_8bppMask)) {
- FX_Free(pGlyphAndPos);
- return FALSE;
- }
- } else {
- if (!CreateCompatibleBitmap(&bitmap, pixel_width, pixel_height)) {
- FX_Free(pGlyphAndPos);
- return FALSE;
- }
- }
- if (!bitmap.HasAlpha() && !bitmap.IsAlphaMask()) {
- bitmap.Clear(0xFFFFFFFF);
- if (!GetDIBits(&bitmap, bmp_rect.left, bmp_rect.top)) {
- FX_Free(pGlyphAndPos);
- return FALSE;
- }
- } else {
- bitmap.Clear(0);
- if (bitmap.m_pAlphaMask) {
- bitmap.m_pAlphaMask->Clear(0);
- }
- }
- int dest_width = pixel_width;
- uint8_t* dest_buf = bitmap.GetBuffer();
- int dest_pitch = bitmap.GetPitch();
- int Bpp = bitmap.GetBPP() / 8;
- int a, r, g, b;
- if (anti_alias == FXFT_RENDER_MODE_LCD) {
- _Color2Argb(fill_color, fill_color, alpha_flag | (1 << 24), pIccTransform);
- ArgbDecode(fill_color, a, r, g, b);
- r = FX_GAMMA(r);
- g = FX_GAMMA(g);
- b = FX_GAMMA(b);
- }
- for (iChar = 0; iChar < nChars; iChar++) {
- FXTEXT_GLYPHPOS& glyph = pGlyphAndPos[iChar];
- if (!glyph.m_pGlyph) {
- continue;
- }
- const CFX_DIBitmap* pGlyph = &glyph.m_pGlyph->m_Bitmap;
- int left = glyph.m_OriginX + glyph.m_pGlyph->m_Left - pixel_left;
- int top = glyph.m_OriginY - glyph.m_pGlyph->m_Top - pixel_top;
- int ncols = pGlyph->GetWidth();
- int nrows = pGlyph->GetHeight();
- if (anti_alias == FXFT_RENDER_MODE_NORMAL) {
- if (!bitmap.CompositeMask(left, top, ncols, nrows, pGlyph, fill_color, 0,
- 0, FXDIB_BLEND_NORMAL, NULL, FALSE, alpha_flag,
- pIccTransform)) {
- FX_Free(pGlyphAndPos);
- return FALSE;
- }
- continue;
- }
- FX_BOOL bBGRStripe = text_flags & FXTEXT_BGR_STRIPE;
- ncols /= 3;
- int x_subpixel = (int)(glyph.m_fOriginX * 3) % 3;
- uint8_t* src_buf = pGlyph->GetBuffer();
- int src_pitch = pGlyph->GetPitch();
- int start_col = left;
- if (start_col < 0) {
- start_col = 0;
- }
- int end_col = left + ncols;
- if (end_col > dest_width) {
- end_col = dest_width;
- }
- if (start_col >= end_col) {
- continue;
- }
- if (bitmap.GetFormat() == FXDIB_Argb) {
- for (int row = 0; row < nrows; row++) {
- int dest_row = row + top;
- if (dest_row < 0 || dest_row >= bitmap.GetHeight()) {
- continue;
- }
- uint8_t* src_scan = src_buf + row * src_pitch + (start_col - left) * 3;
- uint8_t* dest_scan =
- dest_buf + dest_row * dest_pitch + (start_col << 2);
- if (bBGRStripe) {
- if (x_subpixel == 0) {
- for (int col = start_col; col < end_col; col++) {
- int src_alpha = src_scan[2];
- src_alpha = src_alpha * a / 255;
- dest_scan[2] = FX_GAMMA_INVERSE(
- FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[2]), r, src_alpha));
- src_alpha = src_scan[1];
- src_alpha = src_alpha * a / 255;
- dest_scan[1] = FX_GAMMA_INVERSE(
- FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[1]), g, src_alpha));
- src_alpha = src_scan[0];
- src_alpha = src_alpha * a / 255;
- dest_scan[0] = FX_GAMMA_INVERSE(
- FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[0]), b, src_alpha));
- dest_scan[3] = 255;
- dest_scan += 4;
- src_scan += 3;
- }
- } else if (x_subpixel == 1) {
- int src_alpha = src_scan[1];
- ADJUST_ALPHA(dest_scan[2], r, src_alpha, nativetext_flags, a);
- src_alpha = src_alpha * a / 255;
- dest_scan[2] = FX_GAMMA_INVERSE(
- FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[2]), r, src_alpha));
- src_alpha = src_scan[0];
- ADJUST_ALPHA(dest_scan[1], g, src_alpha, nativetext_flags, a);
- src_alpha = src_alpha * a / 255;
- dest_scan[1] = FX_GAMMA_INVERSE(
- FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[1]), g, src_alpha));
- if (start_col > left) {
- src_alpha = src_scan[-1];
- ADJUST_ALPHA(dest_scan[0], b, src_alpha, nativetext_flags, a);
- src_alpha = src_alpha * a / 255;
- dest_scan[0] = FX_GAMMA_INVERSE(
- FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[0]), b, src_alpha));
- }
- dest_scan[3] = 255;
- dest_scan += 4;
- src_scan += 3;
- for (int col = start_col + 1; col < end_col - 1; col++) {
- int src_alpha = src_scan[1];
- ADJUST_ALPHA(dest_scan[2], r, src_alpha, nativetext_flags, a);
- src_alpha = src_alpha * a / 255;
- dest_scan[2] = FX_GAMMA_INVERSE(
- FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[2]), r, src_alpha));
- src_alpha = src_scan[0];
- ADJUST_ALPHA(dest_scan[1], g, src_alpha, nativetext_flags, a);
- src_alpha = src_alpha * a / 255;
- dest_scan[1] = FX_GAMMA_INVERSE(
- FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[1]), g, src_alpha));
- src_alpha = src_scan[-1];
- ADJUST_ALPHA(dest_scan[0], b, src_alpha, nativetext_flags, a);
- src_alpha = src_alpha * a / 255;
- dest_scan[0] = FX_GAMMA_INVERSE(
- FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[0]), b, src_alpha));
- dest_scan[3] = 255;
- dest_scan += 4;
- src_scan += 3;
- }
- } else {
- int src_alpha = src_scan[0];
- ADJUST_ALPHA(dest_scan[2], r, src_alpha, nativetext_flags, a);
- src_alpha = src_alpha * a / 255;
- dest_scan[2] = FX_GAMMA_INVERSE(
- FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[2]), r, src_alpha));
- if (start_col > left) {
- src_alpha = src_scan[-1];
- ADJUST_ALPHA(dest_scan[1], g, src_alpha, nativetext_flags, a);
- src_alpha = src_alpha * a / 255;
- dest_scan[1] = FX_GAMMA_INVERSE(
- FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[1]), g, src_alpha));
- src_alpha = src_scan[-2];
- ADJUST_ALPHA(dest_scan[0], b, src_alpha, nativetext_flags, a);
- src_alpha = src_alpha * a / 255;
- dest_scan[0] = FX_GAMMA_INVERSE(
- FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[0]), b, src_alpha));
- }
- dest_scan[3] = 255;
- dest_scan += 4;
- src_scan += 3;
- for (int col = start_col + 1; col < end_col - 1; col++) {
- int src_alpha = src_scan[0];
- ADJUST_ALPHA(dest_scan[2], r, src_alpha, nativetext_flags, a);
- src_alpha = src_alpha * a / 255;
- dest_scan[2] = FX_GAMMA_INVERSE(
- FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[2]), r, src_alpha));
- src_alpha = src_scan[-1];
- ADJUST_ALPHA(dest_scan[1], g, src_alpha, nativetext_flags, a);
- src_alpha = src_alpha * a / 255;
- dest_scan[1] = FX_GAMMA_INVERSE(
- FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[1]), g, src_alpha));
- src_alpha = src_scan[-2];
- ADJUST_ALPHA(dest_scan[0], b, src_alpha, nativetext_flags, a);
- src_alpha = src_alpha * a / 255;
- dest_scan[0] = FX_GAMMA_INVERSE(
- FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[0]), b, src_alpha));
- dest_scan[3] = 255;
- dest_scan += 4;
- src_scan += 3;
- }
- }
- } else {
- if (x_subpixel == 0) {
- for (int col = start_col; col < end_col; col++) {
- if (bNormal) {
- int src_alpha1 = (src_scan[0] + src_scan[1] + src_scan[2]) / 3;
- ADJUST_ALPHA(dest_scan[2], r, src_alpha1, nativetext_flags, a);
- src_alpha1 = src_alpha1 * a / 255;
- uint8_t back_alpha = dest_scan[3];
- if (back_alpha == 0) {
- FXARGB_SETDIB(dest_scan, FXARGB_MAKE(src_alpha1, r, g, b));
- dest_scan += 4;
- src_scan += 3;
- continue;
- }
- if (src_alpha1 == 0) {
- dest_scan += 4;
- src_scan += 3;
- continue;
- }
- uint8_t dest_alpha =
- back_alpha + src_alpha1 - back_alpha * src_alpha1 / 255;
- dest_scan[3] = dest_alpha;
- int alpha_ratio = src_alpha1 * 255 / dest_alpha;
- dest_scan[2] = FX_GAMMA_INVERSE(
- FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[2]), r, alpha_ratio));
- dest_scan[1] = FX_GAMMA_INVERSE(
- FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[1]), g, alpha_ratio));
- dest_scan[0] = FX_GAMMA_INVERSE(
- FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[0]), b, alpha_ratio));
- dest_scan += 4;
- src_scan += 3;
- continue;
- }
- int src_alpha = src_scan[0];
- ADJUST_ALPHA(dest_scan[2], r, src_alpha, nativetext_flags, a);
- src_alpha = src_alpha * a / 255;
- dest_scan[2] = FX_GAMMA_INVERSE(
- FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[2]), r, src_alpha));
- src_alpha = src_scan[1];
- ADJUST_ALPHA(dest_scan[1], g, src_alpha, nativetext_flags, a);
- src_alpha = src_alpha * a / 255;
- dest_scan[1] = FX_GAMMA_INVERSE(
- FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[1]), g, src_alpha));
- src_alpha = src_scan[2];
- ADJUST_ALPHA(dest_scan[0], b, src_alpha, nativetext_flags, a);
- src_alpha = src_alpha * a / 255;
- dest_scan[0] = FX_GAMMA_INVERSE(
- FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[0]), b, src_alpha));
- dest_scan[3] = 255;
- dest_scan += 4;
- src_scan += 3;
- }
- } else if (x_subpixel == 1) {
- if (bNormal) {
- int src_alpha1 =
- start_col > left
- ? ((src_scan[-1] + src_scan[0] + src_scan[1]) / 3)
- : ((src_scan[0] + src_scan[1]) / 3);
- ADJUST_ALPHA(dest_scan[2], r, src_alpha1, nativetext_flags, a);
- src_alpha1 = src_alpha1 * a / 255;
- if (src_alpha1 == 0) {
- dest_scan += 4;
- src_scan += 3;
- } else {
- uint8_t back_alpha = dest_scan[3];
- if (back_alpha == 0) {
- FXARGB_SETDIB(dest_scan, FXARGB_MAKE(src_alpha1, r, g, b));
- } else {
- uint8_t dest_alpha =
- back_alpha + src_alpha1 - back_alpha * src_alpha1 / 255;
- dest_scan[3] = dest_alpha;
- int alpha_ratio = src_alpha1 * 255 / dest_alpha;
- dest_scan[2] = FX_GAMMA_INVERSE(FXDIB_ALPHA_MERGE(
- FX_GAMMA(dest_scan[2]), r, alpha_ratio));
- dest_scan[1] = FX_GAMMA_INVERSE(FXDIB_ALPHA_MERGE(
- FX_GAMMA(dest_scan[1]), g, alpha_ratio));
- dest_scan[0] = FX_GAMMA_INVERSE(FXDIB_ALPHA_MERGE(
- FX_GAMMA(dest_scan[0]), b, alpha_ratio));
- }
- dest_scan += 4;
- src_scan += 3;
- }
- } else {
- if (start_col > left) {
- int src_alpha = src_scan[-1];
- ADJUST_ALPHA(dest_scan[2], r, src_alpha, nativetext_flags, a);
- src_alpha = src_alpha * a / 255;
- dest_scan[2] = FX_GAMMA_INVERSE(
- FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[2]), r, src_alpha));
- }
- int src_alpha = src_scan[0];
- ADJUST_ALPHA(dest_scan[1], g, src_alpha, nativetext_flags, a);
- src_alpha = src_alpha * a / 255;
- dest_scan[1] = FX_GAMMA_INVERSE(
- FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[1]), g, src_alpha));
- src_alpha = src_scan[1];
- ADJUST_ALPHA(dest_scan[0], b, src_alpha, nativetext_flags, a);
- src_alpha = src_alpha * a / 255;
- dest_scan[0] = FX_GAMMA_INVERSE(
- FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[0]), b, src_alpha));
- dest_scan[3] = 255;
- dest_scan += 4;
- src_scan += 3;
- }
- for (int col = start_col + 1; col < end_col; col++) {
- if (bNormal) {
- int src_alpha1 = (src_scan[-1] + src_scan[0] + src_scan[1]) / 3;
- ADJUST_ALPHA(dest_scan[2], r, src_alpha1, nativetext_flags, a);
- src_alpha1 = src_alpha1 * a / 255;
- uint8_t back_alpha = dest_scan[3];
- if (back_alpha == 0) {
- FXARGB_SETDIB(dest_scan, FXARGB_MAKE(src_alpha1, r, g, b));
- dest_scan += 4;
- src_scan += 3;
- continue;
- }
- if (src_alpha1 == 0) {
- dest_scan += 4;
- src_scan += 3;
- continue;
- }
- uint8_t dest_alpha =
- back_alpha + src_alpha1 - back_alpha * src_alpha1 / 255;
- dest_scan[3] = dest_alpha;
- int alpha_ratio = src_alpha1 * 255 / dest_alpha;
- dest_scan[2] = FX_GAMMA_INVERSE(
- FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[2]), r, alpha_ratio));
- dest_scan[1] = FX_GAMMA_INVERSE(
- FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[1]), g, alpha_ratio));
- dest_scan[0] = FX_GAMMA_INVERSE(
- FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[0]), b, alpha_ratio));
- dest_scan += 4;
- src_scan += 3;
- continue;
- }
- int src_alpha = src_scan[-1];
- ADJUST_ALPHA(dest_scan[2], r, src_alpha, nativetext_flags, a);
- src_alpha = src_alpha * a / 255;
- dest_scan[2] = FX_GAMMA_INVERSE(
- FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[2]), r, src_alpha));
- src_alpha = src_scan[0];
- ADJUST_ALPHA(dest_scan[1], g, src_alpha, nativetext_flags, a);
- src_alpha = src_alpha * a / 255;
- dest_scan[1] = FX_GAMMA_INVERSE(
- FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[1]), g, src_alpha));
- src_alpha = src_scan[1];
- ADJUST_ALPHA(dest_scan[0], b, src_alpha, nativetext_flags, a);
- src_alpha = src_alpha * a / 255;
- dest_scan[0] = FX_GAMMA_INVERSE(
- FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[0]), b, src_alpha));
- dest_scan[3] = 255;
- dest_scan += 4;
- src_scan += 3;
- }
- } else {
- if (bNormal) {
- int src_alpha1 =
- start_col > left
- ? ((src_scan[-2] + src_scan[-1] + src_scan[0]) / 3)
- : ((src_scan[0]) / 3);
- ADJUST_ALPHA(dest_scan[2], r, src_alpha1, nativetext_flags, a);
- src_alpha1 = src_alpha1 * a / 255;
- if (src_alpha1 == 0) {
- dest_scan += 4;
- src_scan += 3;
- } else {
- uint8_t back_alpha = dest_scan[3];
- if (back_alpha == 0) {
- FXARGB_SETDIB(dest_scan, FXARGB_MAKE(src_alpha1, r, g, b));
- } else {
- uint8_t dest_alpha =
- back_alpha + src_alpha1 - back_alpha * src_alpha1 / 255;
- dest_scan[3] = dest_alpha;
- int alpha_ratio = src_alpha1 * 255 / dest_alpha;
- dest_scan[2] = FX_GAMMA_INVERSE(FXDIB_ALPHA_MERGE(
- FX_GAMMA(dest_scan[2]), r, alpha_ratio));
- dest_scan[1] = FX_GAMMA_INVERSE(FXDIB_ALPHA_MERGE(
- FX_GAMMA(dest_scan[1]), g, alpha_ratio));
- dest_scan[0] = FX_GAMMA_INVERSE(FXDIB_ALPHA_MERGE(
- FX_GAMMA(dest_scan[0]), b, alpha_ratio));
- }
- dest_scan += 4;
- src_scan += 3;
- }
- } else {
- if (start_col > left) {
- int src_alpha = src_scan[-2];
- ADJUST_ALPHA(dest_scan[2], r, src_alpha, nativetext_flags, a);
- src_alpha = src_alpha * a / 255;
- dest_scan[2] = FX_GAMMA_INVERSE(
- FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[2]), r, src_alpha));
- src_alpha = src_scan[-1];
- ADJUST_ALPHA(dest_scan[1], g, src_alpha, nativetext_flags, a);
- src_alpha = src_alpha * a / 255;
- dest_scan[1] = FX_GAMMA_INVERSE(
- FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[1]), g, src_alpha));
- }
- int src_alpha = src_scan[0];
- ADJUST_ALPHA(dest_scan[0], b, src_alpha, nativetext_flags, a);
- src_alpha = src_alpha * a / 255;
- dest_scan[0] = FX_GAMMA_INVERSE(
- FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[0]), b, src_alpha));
- dest_scan[3] = 255;
- dest_scan += 4;
- src_scan += 3;
- }
- for (int col = start_col + 1; col < end_col; col++) {
- if (bNormal) {
- int src_alpha1 =
- (src_scan[-2] + src_scan[-1] + src_scan[0]) / 3;
- ADJUST_ALPHA(dest_scan[2], r, src_alpha1, nativetext_flags, a);
- src_alpha1 = src_alpha1 * a / 255;
- uint8_t back_alpha = dest_scan[3];
- if (back_alpha == 0) {
- FXARGB_SETDIB(dest_scan, FXARGB_MAKE(src_alpha1, r, g, b));
- dest_scan += 4;
- src_scan += 3;
- continue;
- }
- if (src_alpha1 == 0) {
- dest_scan += 4;
- src_scan += 3;
- continue;
- }
- uint8_t dest_alpha =
- back_alpha + src_alpha1 - back_alpha * src_alpha1 / 255;
- dest_scan[3] = dest_alpha;
- int alpha_ratio = src_alpha1 * 255 / dest_alpha;
- dest_scan[2] = FX_GAMMA_INVERSE(
- FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[2]), r, alpha_ratio));
- dest_scan[1] = FX_GAMMA_INVERSE(
- FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[1]), g, alpha_ratio));
- dest_scan[0] = FX_GAMMA_INVERSE(
- FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[0]), b, alpha_ratio));
- dest_scan += 4;
- src_scan += 3;
- continue;
- }
- int src_alpha = src_scan[-2];
- ADJUST_ALPHA(dest_scan[2], r, src_alpha, nativetext_flags, a);
- src_alpha = src_alpha * a / 255;
- dest_scan[2] = FX_GAMMA_INVERSE(
- FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[2]), r, src_alpha));
- src_alpha = src_scan[-1];
- ADJUST_ALPHA(dest_scan[1], g, src_alpha, nativetext_flags, a);
- src_alpha = src_alpha * a / 255;
- dest_scan[1] = FX_GAMMA_INVERSE(
- FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[1]), g, src_alpha));
- src_alpha = src_scan[0];
- ADJUST_ALPHA(dest_scan[0], b, src_alpha, nativetext_flags, a);
- src_alpha = src_alpha * a / 255;
- dest_scan[0] = FX_GAMMA_INVERSE(
- FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[0]), b, src_alpha));
- dest_scan[3] = 255;
- dest_scan += 4;
- src_scan += 3;
- }
- }
- }
- }
- } else {
- for (int row = 0; row < nrows; row++) {
- int dest_row = row + top;
- if (dest_row < 0 || dest_row >= bitmap.GetHeight()) {
- continue;
- }
- uint8_t* src_scan = src_buf + row * src_pitch + (start_col - left) * 3;
- uint8_t* dest_scan = dest_buf + dest_row * dest_pitch + start_col * Bpp;
- if (bBGRStripe) {
- if (x_subpixel == 0) {
- for (int col = start_col; col < end_col; col++) {
- int src_alpha = src_scan[2];
- ADJUST_ALPHA(dest_scan[2], r, src_alpha, nativetext_flags, a);
- src_alpha = src_alpha * a / 255;
- dest_scan[2] = FX_GAMMA_INVERSE(
- FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[2]), r, src_alpha));
- src_alpha = src_scan[1];
- ADJUST_ALPHA(dest_scan[1], g, src_alpha, nativetext_flags, a);
- src_alpha = src_alpha * a / 255;
- dest_scan[1] = FX_GAMMA_INVERSE(
- FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[1]), g, src_alpha));
- src_alpha = src_scan[0];
- ADJUST_ALPHA(dest_scan[0], b, src_alpha, nativetext_flags, a);
- src_alpha = src_alpha * a / 255;
- dest_scan[0] = FX_GAMMA_INVERSE(
- FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[0]), b, src_alpha));
- dest_scan += Bpp;
- src_scan += 3;
- }
- } else if (x_subpixel == 1) {
- int src_alpha = src_scan[1];
- ADJUST_ALPHA(dest_scan[2], r, src_alpha, nativetext_flags, a);
- src_alpha = src_alpha * a / 255;
- dest_scan[2] = FX_GAMMA_INVERSE(
- FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[2]), r, src_alpha));
- src_alpha = src_scan[0];
- ADJUST_ALPHA(dest_scan[1], g, src_alpha, nativetext_flags, a);
- src_alpha = src_alpha * a / 255;
- dest_scan[1] = FX_GAMMA_INVERSE(
- FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[1]), g, src_alpha));
- if (start_col > left) {
- src_alpha = src_scan[-1];
- ADJUST_ALPHA(dest_scan[0], b, src_alpha, nativetext_flags, a);
- src_alpha = src_alpha * a / 255;
- dest_scan[0] = FX_GAMMA_INVERSE(
- FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[0]), b, src_alpha));
- }
- dest_scan += Bpp;
- src_scan += 3;
- for (int col = start_col + 1; col < end_col - 1; col++) {
- int src_alpha = src_scan[1];
- ADJUST_ALPHA(dest_scan[2], r, src_alpha, nativetext_flags, a);
- src_alpha = src_alpha * a / 255;
- dest_scan[2] = FX_GAMMA_INVERSE(
- FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[2]), r, src_alpha));
- src_alpha = src_scan[0];
- ADJUST_ALPHA(dest_scan[1], g, src_alpha, nativetext_flags, a);
- src_alpha = src_alpha * a / 255;
- dest_scan[1] = FX_GAMMA_INVERSE(
- FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[1]), g, src_alpha));
- src_alpha = src_scan[-1];
- ADJUST_ALPHA(dest_scan[0], b, src_alpha, nativetext_flags, a);
- src_alpha = src_alpha * a / 255;
- dest_scan[0] = FX_GAMMA_INVERSE(
- FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[0]), b, src_alpha));
- dest_scan += Bpp;
- src_scan += 3;
- }
- } else {
- int src_alpha = src_scan[0];
- ADJUST_ALPHA(dest_scan[2], r, src_alpha, nativetext_flags, a);
- src_alpha = src_alpha * a / 255;
- dest_scan[2] = FX_GAMMA_INVERSE(
- FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[2]), r, src_alpha));
- if (start_col > left) {
- src_alpha = src_scan[-1];
- ADJUST_ALPHA(dest_scan[1], g, src_alpha, nativetext_flags, a);
- src_alpha = src_alpha * a / 255;
- dest_scan[1] = FX_GAMMA_INVERSE(
- FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[1]), g, src_alpha));
- src_alpha = src_scan[-2];
- ADJUST_ALPHA(dest_scan[0], b, src_alpha, nativetext_flags, a);
- src_alpha = src_alpha * a / 255;
- dest_scan[0] = FX_GAMMA_INVERSE(
- FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[0]), b, src_alpha));
- }
- dest_scan += Bpp;
- src_scan += 3;
- for (int col = start_col + 1; col < end_col - 1; col++) {
- int src_alpha = src_scan[0];
- ADJUST_ALPHA(dest_scan[2], r, src_alpha, nativetext_flags, a);
- src_alpha = src_alpha * a / 255;
- dest_scan[2] = FX_GAMMA_INVERSE(
- FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[2]), r, src_alpha));
- src_alpha = src_scan[-1];
- ADJUST_ALPHA(dest_scan[1], g, src_alpha, nativetext_flags, a);
- src_alpha = src_alpha * a / 255;
- dest_scan[1] = FX_GAMMA_INVERSE(
- FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[1]), g, src_alpha));
- src_alpha = src_scan[-2];
- ADJUST_ALPHA(dest_scan[0], b, src_alpha, nativetext_flags, a);
- src_alpha = src_alpha * a / 255;
- dest_scan[0] = FX_GAMMA_INVERSE(
- FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[0]), b, src_alpha));
- dest_scan += Bpp;
- src_scan += 3;
- }
- }
- } else {
- if (x_subpixel == 0) {
- for (int col = start_col; col < end_col; col++) {
- if (bNormal) {
- int src_alpha1 = (src_scan[0] + src_scan[1] + src_scan[2]) / 3;
- ADJUST_ALPHA(dest_scan[2], r, src_alpha1, nativetext_flags, a);
- src_alpha1 = src_alpha1 * a / 255;
- if (src_alpha1 == 0) {
- dest_scan += Bpp;
- src_scan += 3;
- continue;
- }
- dest_scan[2] = FX_GAMMA_INVERSE(
- FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[2]), r, src_alpha1));
- dest_scan[1] = FX_GAMMA_INVERSE(
- FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[1]), g, src_alpha1));
- dest_scan[0] = FX_GAMMA_INVERSE(
- FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[0]), b, src_alpha1));
- dest_scan += Bpp;
- src_scan += 3;
- continue;
- }
- int src_alpha = src_scan[0];
- ADJUST_ALPHA(dest_scan[2], r, src_alpha, nativetext_flags, a);
- src_alpha = src_alpha * a / 255;
- dest_scan[2] = FX_GAMMA_INVERSE(
- FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[2]), r, src_alpha));
- src_alpha = src_scan[1];
- ADJUST_ALPHA(dest_scan[1], g, src_alpha, nativetext_flags, a);
- src_alpha = src_alpha * a / 255;
- dest_scan[1] = FX_GAMMA_INVERSE(
- FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[1]), g, src_alpha));
- src_alpha = src_scan[2];
- ADJUST_ALPHA(dest_scan[0], b, src_alpha, nativetext_flags, a);
- src_alpha = src_alpha * a / 255;
- dest_scan[0] = FX_GAMMA_INVERSE(
- FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[0]), b, src_alpha));
- dest_scan += Bpp;
- src_scan += 3;
- }
- } else if (x_subpixel == 1) {
- if (bNormal) {
- int src_alpha1 =
- start_col > left
- ? (src_scan[0] + src_scan[1] + src_scan[-1]) / 3
- : (src_scan[0] + src_scan[1]) / 3;
- ADJUST_ALPHA(dest_scan[2], r, src_alpha1, nativetext_flags, a);
- src_alpha1 = src_alpha1 * a / 255;
- dest_scan[2] = FX_GAMMA_INVERSE(
- FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[2]), r, src_alpha1));
- dest_scan[1] = FX_GAMMA_INVERSE(
- FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[1]), g, src_alpha1));
- dest_scan[0] = FX_GAMMA_INVERSE(
- FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[0]), b, src_alpha1));
- dest_scan += Bpp;
- src_scan += 3;
- } else {
- if (start_col > left) {
- int src_alpha = src_scan[-1];
- ADJUST_ALPHA(dest_scan[2], r, src_alpha, nativetext_flags, a);
- src_alpha = src_alpha * a / 255;
- dest_scan[2] = FX_GAMMA_INVERSE(
- FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[2]), r, src_alpha));
- }
- int src_alpha = src_scan[0];
- ADJUST_ALPHA(dest_scan[1], g, src_alpha, nativetext_flags, a);
- src_alpha = src_alpha * a / 255;
- dest_scan[1] = FX_GAMMA_INVERSE(
- FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[1]), g, src_alpha));
- src_alpha = src_scan[1];
- ADJUST_ALPHA(dest_scan[0], b, src_alpha, nativetext_flags, a);
- src_alpha = src_alpha * a / 255;
- dest_scan[0] = FX_GAMMA_INVERSE(
- FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[0]), b, src_alpha));
- dest_scan += Bpp;
- src_scan += 3;
- }
- for (int col = start_col + 1; col < end_col; col++) {
- if (bNormal) {
- int src_alpha1 = (src_scan[0] + src_scan[1] + src_scan[-1]) / 3;
- ADJUST_ALPHA(dest_scan[2], r, src_alpha1, nativetext_flags, a);
- src_alpha1 = src_alpha1 * a / 255;
- if (src_alpha1 == 0) {
- dest_scan += Bpp;
- src_scan += 3;
- continue;
- }
- dest_scan[2] = FX_GAMMA_INVERSE(
- FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[2]), r, src_alpha1));
- dest_scan[1] = FX_GAMMA_INVERSE(
- FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[1]), g, src_alpha1));
- dest_scan[0] = FX_GAMMA_INVERSE(
- FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[0]), b, src_alpha1));
- dest_scan += Bpp;
- src_scan += 3;
- continue;
- }
- int src_alpha = src_scan[-1];
- ADJUST_ALPHA(dest_scan[2], r, src_alpha, nativetext_flags, a);
- src_alpha = src_alpha * a / 255;
- dest_scan[2] = FX_GAMMA_INVERSE(
- FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[2]), r, src_alpha));
- src_alpha = src_scan[0];
- ADJUST_ALPHA(dest_scan[1], g, src_alpha, nativetext_flags, a);
- src_alpha = src_alpha * a / 255;
- dest_scan[1] = FX_GAMMA_INVERSE(
- FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[1]), g, src_alpha));
- src_alpha = src_scan[1];
- ADJUST_ALPHA(dest_scan[0], b, src_alpha, nativetext_flags, a);
- src_alpha = src_alpha * a / 255;
- dest_scan[0] = FX_GAMMA_INVERSE(
- FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[0]), b, src_alpha));
- dest_scan += Bpp;
- src_scan += 3;
- }
- } else {
- if (bNormal) {
- int src_alpha1 =
- start_col > left
- ? (src_scan[0] + src_scan[-2] + src_scan[-1]) / 3
- : src_scan[0] / 3;
- ADJUST_ALPHA(dest_scan[2], r, src_alpha1, nativetext_flags, a);
- src_alpha1 = src_alpha1 * a / 255;
- dest_scan[2] = FX_GAMMA_INVERSE(
- FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[2]), r, src_alpha1));
- dest_scan[1] = FX_GAMMA_INVERSE(
- FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[1]), g, src_alpha1));
- dest_scan[0] = FX_GAMMA_INVERSE(
- FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[0]), b, src_alpha1));
- dest_scan += Bpp;
- src_scan += 3;
- } else {
- if (start_col > left) {
- int src_alpha = src_scan[-2];
- ADJUST_ALPHA(dest_scan[2], r, src_alpha, nativetext_flags, a);
- src_alpha = src_alpha * a / 255;
- dest_scan[2] = FX_GAMMA_INVERSE(
- FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[2]), r, src_alpha));
- src_alpha = src_scan[-1];
- ADJUST_ALPHA(dest_scan[1], g, src_alpha, nativetext_flags, a);
- src_alpha = src_alpha * a / 255;
- dest_scan[1] = FX_GAMMA_INVERSE(
- FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[1]), g, src_alpha));
- }
- int src_alpha = src_scan[0];
- ADJUST_ALPHA(dest_scan[0], b, src_alpha, nativetext_flags, a);
- src_alpha = src_alpha * a / 255;
- dest_scan[0] = FX_GAMMA_INVERSE(
- FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[0]), b, src_alpha));
- dest_scan += Bpp;
- src_scan += 3;
- }
- for (int col = start_col + 1; col < end_col; col++) {
- if (bNormal) {
- int src_alpha1 = ((int)(src_scan[0]) + (int)(src_scan[-2]) +
- (int)(src_scan[-1])) /
- 3;
- ADJUST_ALPHA(dest_scan[2], r, src_alpha1, nativetext_flags, a);
- src_alpha1 = src_alpha1 * a / 255;
- if (src_alpha1 == 0) {
- dest_scan += Bpp;
- src_scan += 3;
- continue;
- }
- dest_scan[2] = FX_GAMMA_INVERSE(
- FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[2]), r, src_alpha1));
- dest_scan[1] = FX_GAMMA_INVERSE(
- FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[1]), g, src_alpha1));
- dest_scan[0] = FX_GAMMA_INVERSE(
- FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[0]), b, src_alpha1));
- dest_scan += Bpp;
- src_scan += 3;
- continue;
- }
- int src_alpha = src_scan[-2];
- ADJUST_ALPHA(dest_scan[2], r, src_alpha, nativetext_flags, a);
- src_alpha = src_alpha * a / 255;
- dest_scan[2] = FX_GAMMA_INVERSE(
- FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[2]), r, src_alpha));
- src_alpha = src_scan[-1];
- ADJUST_ALPHA(dest_scan[1], g, src_alpha, nativetext_flags, a);
- src_alpha = src_alpha * a / 255;
- dest_scan[1] = FX_GAMMA_INVERSE(
- FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[1]), g, src_alpha));
- src_alpha = src_scan[0];
- ADJUST_ALPHA(dest_scan[0], b, src_alpha, nativetext_flags, a);
- src_alpha = src_alpha * a / 255;
- dest_scan[0] = FX_GAMMA_INVERSE(
- FXDIB_ALPHA_MERGE(FX_GAMMA(dest_scan[0]), b, src_alpha));
- dest_scan += Bpp;
- src_scan += 3;
- }
- }
- }
- }
- }
- }
- if (bitmap.IsAlphaMask()) {
- SetBitMask(&bitmap, bmp_rect.left, bmp_rect.top, fill_color, alpha_flag,
- pIccTransform);
- } else {
- SetDIBits(&bitmap, bmp_rect.left, bmp_rect.top);
- }
- FX_Free(pGlyphAndPos);
- return TRUE;
-}
-FX_BOOL CFX_RenderDevice::DrawTextPath(int nChars,
- const FXTEXT_CHARPOS* pCharPos,
- CFX_Font* pFont,
- CFX_FontCache* pCache,
- FX_FLOAT font_size,
- const CFX_Matrix* pText2User,
- const CFX_Matrix* pUser2Device,
- const CFX_GraphStateData* pGraphState,
- FX_DWORD fill_color,
- FX_ARGB stroke_color,
- CFX_PathData* pClippingPath,
- int nFlag,
- int alpha_flag,
- void* pIccTransform,
- int blend_type) {
- if (!pCache) {
- pCache = CFX_GEModule::Get()->GetFontCache();
- }
- CFX_FaceCache* pFaceCache = pCache->GetCachedFace(pFont);
- FX_FONTCACHE_DEFINE(pCache, pFont);
- for (int iChar = 0; iChar < nChars; iChar++) {
- const FXTEXT_CHARPOS& charpos = pCharPos[iChar];
- CFX_Matrix matrix;
- if (charpos.m_bGlyphAdjust)
- matrix.Set(charpos.m_AdjustMatrix[0], charpos.m_AdjustMatrix[1],
- charpos.m_AdjustMatrix[2], charpos.m_AdjustMatrix[3], 0, 0);
- matrix.Concat(font_size, 0, 0, font_size, charpos.m_OriginX,
- charpos.m_OriginY);
- const CFX_PathData* pPath = pFaceCache->LoadGlyphPath(
- pFont, charpos.m_GlyphIndex, charpos.m_FontCharWidth);
- if (!pPath) {
- continue;
- }
- matrix.Concat(*pText2User);
- CFX_PathData TransformedPath(*pPath);
- TransformedPath.Transform(&matrix);
- FX_BOOL bHasAlpha = FXGETFLAG_COLORTYPE(alpha_flag)
- ? (FXGETFLAG_ALPHA_FILL(alpha_flag) ||
- FXGETFLAG_ALPHA_STROKE(alpha_flag))
- : (fill_color || stroke_color);
- if (bHasAlpha) {
- int fill_mode = nFlag;
- if (FXGETFLAG_COLORTYPE(alpha_flag)) {
- if (FXGETFLAG_ALPHA_FILL(alpha_flag)) {
- fill_mode |= FXFILL_WINDING;
- }
- } else {
- if (fill_color) {
- fill_mode |= FXFILL_WINDING;
- }
- }
- fill_mode |= FX_FILL_TEXT_MODE;
- if (!DrawPath(&TransformedPath, pUser2Device, pGraphState, fill_color,
- stroke_color, fill_mode, alpha_flag, pIccTransform,
- blend_type)) {
- return FALSE;
- }
- }
- if (pClippingPath) {
- pClippingPath->Append(&TransformedPath, pUser2Device);
- }
- }
- return TRUE;
-}
-
-CFX_FontCache::CFX_FontCache() {}
-
-CFX_FontCache::~CFX_FontCache() {
- FreeCache(TRUE);
-}
-
-CFX_FaceCache* CFX_FontCache::GetCachedFace(CFX_Font* pFont) {
- FXFT_Face internal_face = pFont->GetFace();
- const bool bExternal = !internal_face;
- FXFT_Face face =
- bExternal ? (FXFT_Face)pFont->GetSubstFont()->m_ExtHandle : internal_face;
- CFX_FTCacheMap& map = bExternal ? m_ExtFaceMap : m_FTFaceMap;
- auto it = map.find(face);
- if (it != map.end()) {
- CFX_CountedFaceCache* counted_face_cache = it->second;
- counted_face_cache->m_nCount++;
- return counted_face_cache->m_Obj;
- }
-
- CFX_FaceCache* face_cache = new CFX_FaceCache(bExternal ? nullptr : face);
- CFX_CountedFaceCache* counted_face_cache = new CFX_CountedFaceCache;
- counted_face_cache->m_nCount = 2;
- counted_face_cache->m_Obj = face_cache;
- map[face] = counted_face_cache;
- return face_cache;
-}
-
-void CFX_FontCache::ReleaseCachedFace(CFX_Font* pFont) {
- FXFT_Face internal_face = pFont->GetFace();
- const bool bExternal = !internal_face;
- FXFT_Face face =
- bExternal ? (FXFT_Face)pFont->GetSubstFont()->m_ExtHandle : internal_face;
- CFX_FTCacheMap& map = bExternal ? m_ExtFaceMap : m_FTFaceMap;
-
- auto it = map.find(face);
- if (it == map.end())
- return;
-
- CFX_CountedFaceCache* counted_face_cache = it->second;
- if (counted_face_cache->m_nCount > 1) {
- counted_face_cache->m_nCount--;
- }
-}
-
-void CFX_FontCache::FreeCache(FX_BOOL bRelease) {
- for (auto it = m_FTFaceMap.begin(); it != m_FTFaceMap.end();) {
- auto curr_it = it++;
- CFX_CountedFaceCache* cache = curr_it->second;
- if (bRelease || cache->m_nCount < 2) {
- delete cache->m_Obj;
- delete cache;
- m_FTFaceMap.erase(curr_it);
- }
- }
-
- for (auto it = m_ExtFaceMap.begin(); it != m_ExtFaceMap.end();) {
- auto curr_it = it++;
- CFX_CountedFaceCache* cache = curr_it->second;
- if (bRelease || cache->m_nCount < 2) {
- delete cache->m_Obj;
- delete cache;
- m_ExtFaceMap.erase(curr_it);
- }
- }
-}
-
-CFX_FaceCache::CFX_FaceCache(FXFT_Face face) : m_Face(face) {}
-
-CFX_FaceCache::~CFX_FaceCache() {
- for (const auto& pair : m_SizeMap) {
- delete pair.second;
- }
- m_SizeMap.clear();
- for (const auto& pair : m_PathMap) {
- delete pair.second;
- }
- m_PathMap.clear();
-}
-#if _FXM_PLATFORM_ != _FXM_PLATFORM_APPLE_
-void CFX_FaceCache::InitPlatform() {}
-#endif
-CFX_GlyphBitmap* CFX_FaceCache::LookUpGlyphBitmap(
- CFX_Font* pFont,
- const CFX_Matrix* pMatrix,
- CFX_ByteStringC& FaceGlyphsKey,
- FX_DWORD glyph_index,
- FX_BOOL bFontStyle,
- int dest_width,
- int anti_alias) {
- CFX_SizeGlyphCache* pSizeCache;
- auto it = m_SizeMap.find(FaceGlyphsKey);
- if (it == m_SizeMap.end()) {
- pSizeCache = new CFX_SizeGlyphCache;
- m_SizeMap[FaceGlyphsKey] = pSizeCache;
- } else {
- pSizeCache = it->second;
- }
- auto it2 = pSizeCache->m_GlyphMap.find(glyph_index);
- if (it2 != pSizeCache->m_GlyphMap.end())
- return it2->second;
-
- CFX_GlyphBitmap* pGlyphBitmap = RenderGlyph(pFont, glyph_index, bFontStyle,
- pMatrix, dest_width, anti_alias);
- if (!pGlyphBitmap)
- return nullptr;
-
- pSizeCache->m_GlyphMap[glyph_index] = pGlyphBitmap;
- return pGlyphBitmap;
-}
-const CFX_GlyphBitmap* CFX_FaceCache::LoadGlyphBitmap(CFX_Font* pFont,
- FX_DWORD glyph_index,
- FX_BOOL bFontStyle,
- const CFX_Matrix* pMatrix,
- int dest_width,
- int anti_alias,
- int& text_flags) {
- if (glyph_index == (FX_DWORD)-1) {
- return NULL;
- }
- _CFX_UniqueKeyGen keygen;
-#if _FXM_PLATFORM_ != _FXM_PLATFORM_APPLE_
- if (pFont->GetSubstFont())
- keygen.Generate(9, (int)(pMatrix->a * 10000), (int)(pMatrix->b * 10000),
- (int)(pMatrix->c * 10000), (int)(pMatrix->d * 10000),
- dest_width, anti_alias, pFont->GetSubstFont()->m_Weight,
- pFont->GetSubstFont()->m_ItalicAngle, pFont->IsVertical());
- else
- keygen.Generate(6, (int)(pMatrix->a * 10000), (int)(pMatrix->b * 10000),
- (int)(pMatrix->c * 10000), (int)(pMatrix->d * 10000),
- dest_width, anti_alias);
-#else
- if (text_flags & FXTEXT_NO_NATIVETEXT) {
- if (pFont->GetSubstFont())
- keygen.Generate(9, (int)(pMatrix->a * 10000), (int)(pMatrix->b * 10000),
- (int)(pMatrix->c * 10000), (int)(pMatrix->d * 10000),
- dest_width, anti_alias, pFont->GetSubstFont()->m_Weight,
- pFont->GetSubstFont()->m_ItalicAngle,
- pFont->IsVertical());
- else
- keygen.Generate(6, (int)(pMatrix->a * 10000), (int)(pMatrix->b * 10000),
- (int)(pMatrix->c * 10000), (int)(pMatrix->d * 10000),
- dest_width, anti_alias);
- } else {
- if (pFont->GetSubstFont())
- keygen.Generate(10, (int)(pMatrix->a * 10000), (int)(pMatrix->b * 10000),
- (int)(pMatrix->c * 10000), (int)(pMatrix->d * 10000),
- dest_width, anti_alias, pFont->GetSubstFont()->m_Weight,
- pFont->GetSubstFont()->m_ItalicAngle, pFont->IsVertical(),
- 3);
- else
- keygen.Generate(7, (int)(pMatrix->a * 10000), (int)(pMatrix->b * 10000),
- (int)(pMatrix->c * 10000), (int)(pMatrix->d * 10000),
- dest_width, anti_alias, 3);
- }
-#endif
- CFX_ByteStringC FaceGlyphsKey(keygen.m_Key, keygen.m_KeyLen);
-#if _FXM_PLATFORM_ != _FXM_PLATFORM_APPLE_
- return LookUpGlyphBitmap(pFont, pMatrix, FaceGlyphsKey, glyph_index,
- bFontStyle, dest_width, anti_alias);
-#else
- if (text_flags & FXTEXT_NO_NATIVETEXT) {
- return LookUpGlyphBitmap(pFont, pMatrix, FaceGlyphsKey, glyph_index,
- bFontStyle, dest_width, anti_alias);
- }
- CFX_GlyphBitmap* pGlyphBitmap;
- auto it = m_SizeMap.find(FaceGlyphsKey);
- if (it != m_SizeMap.end()) {
- CFX_SizeGlyphCache* pSizeCache = it->second;
- auto it2 = pSizeCache->m_GlyphMap.find(glyph_index);
- if (it2 != pSizeCache->m_GlyphMap.end())
- return it2->second;
-
- pGlyphBitmap = RenderGlyph_Nativetext(pFont, glyph_index, pMatrix,
- dest_width, anti_alias);
- if (pGlyphBitmap) {
- pSizeCache->m_GlyphMap[glyph_index] = pGlyphBitmap;
- return pGlyphBitmap;
- }
- } else {
- pGlyphBitmap = RenderGlyph_Nativetext(pFont, glyph_index, pMatrix,
- dest_width, anti_alias);
- if (pGlyphBitmap) {
- CFX_SizeGlyphCache* pSizeCache = new CFX_SizeGlyphCache;
- m_SizeMap[FaceGlyphsKey] = pSizeCache;
- pSizeCache->m_GlyphMap[glyph_index] = pGlyphBitmap;
- return pGlyphBitmap;
- }
- }
- if (pFont->GetSubstFont())
- keygen.Generate(9, (int)(pMatrix->a * 10000), (int)(pMatrix->b * 10000),
- (int)(pMatrix->c * 10000), (int)(pMatrix->d * 10000),
- dest_width, anti_alias, pFont->GetSubstFont()->m_Weight,
- pFont->GetSubstFont()->m_ItalicAngle, pFont->IsVertical());
- else
- keygen.Generate(6, (int)(pMatrix->a * 10000), (int)(pMatrix->b * 10000),
- (int)(pMatrix->c * 10000), (int)(pMatrix->d * 10000),
- dest_width, anti_alias);
- CFX_ByteStringC FaceGlyphsKey2(keygen.m_Key, keygen.m_KeyLen);
- text_flags |= FXTEXT_NO_NATIVETEXT;
- return LookUpGlyphBitmap(pFont, pMatrix, FaceGlyphsKey2, glyph_index,
- bFontStyle, dest_width, anti_alias);
-#endif
-}
-CFX_SizeGlyphCache::~CFX_SizeGlyphCache() {
- for (const auto& pair : m_GlyphMap) {
- delete pair.second;
- }
- m_GlyphMap.clear();
-}
-#define CONTRAST_RAMP_STEP 1
-void CFX_Font::AdjustMMParams(int glyph_index, int dest_width, int weight) {
- FXFT_MM_Var pMasters = NULL;
- FXFT_Get_MM_Var(m_Face, &pMasters);
- if (!pMasters) {
- return;
- }
- long coords[2];
- if (weight == 0) {
- coords[0] = FXFT_Get_MM_Axis_Def(FXFT_Get_MM_Axis(pMasters, 0)) / 65536;
- } else {
- coords[0] = weight;
- }
- if (dest_width == 0) {
- coords[1] = FXFT_Get_MM_Axis_Def(FXFT_Get_MM_Axis(pMasters, 1)) / 65536;
- } else {
- int min_param = FXFT_Get_MM_Axis_Min(FXFT_Get_MM_Axis(pMasters, 1)) / 65536;
- int max_param = FXFT_Get_MM_Axis_Max(FXFT_Get_MM_Axis(pMasters, 1)) / 65536;
- coords[1] = min_param;
- (void)FXFT_Set_MM_Design_Coordinates(m_Face, 2, coords);
- (void)FXFT_Load_Glyph(
- m_Face, glyph_index,
- FXFT_LOAD_NO_SCALE | FXFT_LOAD_IGNORE_GLOBAL_ADVANCE_WIDTH);
- int min_width = FXFT_Get_Glyph_HoriAdvance(m_Face) * 1000 /
- FXFT_Get_Face_UnitsPerEM(m_Face);
- coords[1] = max_param;
- (void)FXFT_Set_MM_Design_Coordinates(m_Face, 2, coords);
- (void)FXFT_Load_Glyph(
- m_Face, glyph_index,
- FXFT_LOAD_NO_SCALE | FXFT_LOAD_IGNORE_GLOBAL_ADVANCE_WIDTH);
- int max_width = FXFT_Get_Glyph_HoriAdvance(m_Face) * 1000 /
- FXFT_Get_Face_UnitsPerEM(m_Face);
- if (max_width == min_width) {
- FXFT_Free(m_Face, pMasters);
- return;
- }
- int param = min_param +
- (max_param - min_param) * (dest_width - min_width) /
- (max_width - min_width);
- coords[1] = param;
- }
- FXFT_Free(m_Face, pMasters);
- FXFT_Set_MM_Design_Coordinates(m_Face, 2, coords);
-}
-static const size_t ANGLESKEW_ARRAY_SIZE = 30;
-static const char g_AngleSkew[ANGLESKEW_ARRAY_SIZE] = {
- 0, 2, 3, 5, 7, 9, 11, 12, 14, 16, 18, 19, 21, 23, 25,
- 27, 29, 31, 32, 34, 36, 38, 40, 42, 45, 47, 49, 51, 53, 55,
-};
-static const size_t WEIGHTPOW_ARRAY_SIZE = 100;
-static const uint8_t g_WeightPow[WEIGHTPOW_ARRAY_SIZE] = {
- 0, 3, 6, 7, 8, 9, 11, 12, 14, 15, 16, 17, 18, 19, 20, 21, 22,
- 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 35, 36, 36, 37,
- 37, 37, 38, 38, 38, 39, 39, 39, 40, 40, 40, 41, 41, 41, 42, 42, 42,
- 42, 43, 43, 43, 44, 44, 44, 44, 45, 45, 45, 45, 46, 46, 46, 46, 47,
- 47, 47, 47, 48, 48, 48, 48, 48, 49, 49, 49, 49, 50, 50, 50, 50, 50,
- 51, 51, 51, 51, 51, 52, 52, 52, 52, 52, 53, 53, 53, 53, 53,
-};
-static const uint8_t g_WeightPow_11[WEIGHTPOW_ARRAY_SIZE] = {
- 0, 4, 7, 8, 9, 10, 12, 13, 15, 17, 18, 19, 20, 21, 22, 23, 24,
- 25, 26, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 39, 39, 40, 40, 41,
- 41, 41, 42, 42, 42, 43, 43, 43, 44, 44, 44, 45, 45, 45, 46, 46, 46,
- 46, 43, 47, 47, 48, 48, 48, 48, 45, 50, 50, 50, 46, 51, 51, 51, 52,
- 52, 52, 52, 53, 53, 53, 53, 53, 54, 54, 54, 54, 55, 55, 55, 55, 55,
- 56, 56, 56, 56, 56, 57, 57, 57, 57, 57, 58, 58, 58, 58, 58,
-};
-static const uint8_t g_WeightPow_SHIFTJIS[WEIGHTPOW_ARRAY_SIZE] = {
- 0, 0, 1, 2, 3, 4, 5, 7, 8, 10, 11, 13, 14, 16, 17, 19, 21,
- 22, 24, 26, 28, 30, 32, 33, 35, 37, 39, 41, 43, 45, 48, 48, 48, 48,
- 49, 49, 49, 50, 50, 50, 50, 51, 51, 51, 51, 52, 52, 52, 52, 52, 53,
- 53, 53, 53, 53, 54, 54, 54, 54, 54, 55, 55, 55, 55, 55, 56, 56, 56,
- 56, 56, 56, 57, 57, 57, 57, 57, 57, 57, 58, 58, 58, 58, 58, 58, 58,
- 59, 59, 59, 59, 59, 59, 59, 60, 60, 60, 60, 60, 60, 60, 60,
-};
-static void _GammaAdjust(uint8_t* pData,
- int nWid,
- int nHei,
- int src_pitch,
- const uint8_t* gammaTable) {
- int count = nHei * src_pitch;
- for (int i = 0; i < count; i++) {
- pData[i] = gammaTable[pData[i]];
- }
-}
-static void _ContrastAdjust(uint8_t* pDataIn,
- uint8_t* pDataOut,
- int nWid,
- int nHei,
- int nSrcRowBytes,
- int nDstRowBytes) {
- int col, row, temp;
- int max = 0, min = 255;
- FX_FLOAT rate;
- for (row = 0; row < nHei; row++) {
- uint8_t* pRow = pDataIn + row * nSrcRowBytes;
- for (col = 0; col < nWid; col++) {
- temp = *pRow++;
- if (temp > max) {
- max = temp;
- }
- if (temp < min) {
- min = temp;
- }
- }
- }
- temp = max - min;
- if (0 == temp || 255 == temp) {
- int rowbytes = FXSYS_abs(nSrcRowBytes) > nDstRowBytes
- ? nDstRowBytes
- : FXSYS_abs(nSrcRowBytes);
- for (row = 0; row < nHei; row++) {
- FXSYS_memcpy(pDataOut + row * nDstRowBytes, pDataIn + row * nSrcRowBytes,
- rowbytes);
- }
- return;
- }
- rate = 255.f / temp;
- for (row = 0; row < nHei; row++) {
- uint8_t* pSrcRow = pDataIn + row * nSrcRowBytes;
- uint8_t* pDstRow = pDataOut + row * nDstRowBytes;
- for (col = 0; col < nWid; col++) {
- temp = (int)((*(pSrcRow++) - min) * rate + 0.5);
- if (temp > 255) {
- temp = 255;
- } else if (temp < 0) {
- temp = 0;
- }
- *pDstRow++ = (uint8_t)temp;
- }
- }
-}
-CFX_GlyphBitmap* CFX_FaceCache::RenderGlyph(CFX_Font* pFont,
- FX_DWORD glyph_index,
- FX_BOOL bFontStyle,
- const CFX_Matrix* pMatrix,
- int dest_width,
- int anti_alias) {
- if (!m_Face) {
- return NULL;
- }
- FXFT_Matrix ft_matrix;
- ft_matrix.xx = (signed long)(pMatrix->GetA() / 64 * 65536);
- ft_matrix.xy = (signed long)(pMatrix->GetC() / 64 * 65536);
- ft_matrix.yx = (signed long)(pMatrix->GetB() / 64 * 65536);
- ft_matrix.yy = (signed long)(pMatrix->GetD() / 64 * 65536);
- FX_BOOL bUseCJKSubFont = FALSE;
- const CFX_SubstFont* pSubstFont = pFont->GetSubstFont();
- if (pSubstFont) {
- bUseCJKSubFont = pSubstFont->m_bSubstOfCJK && bFontStyle;
- int skew = 0;
- if (bUseCJKSubFont) {
- skew = pSubstFont->m_bItlicCJK ? -15 : 0;
- } else {
- skew = pSubstFont->m_ItalicAngle;
- }
- if (skew) {
- skew = skew <= -ANGLESKEW_ARRAY_SIZE ? -58 : -g_AngleSkew[-skew];
- if (pFont->IsVertical()) {
- ft_matrix.yx += ft_matrix.yy * skew / 100;
- } else {
- ft_matrix.xy += -ft_matrix.xx * skew / 100;
- }
- }
- if (pSubstFont->m_SubstFlags & FXFONT_SUBST_MM) {
- pFont->AdjustMMParams(glyph_index, dest_width,
- pFont->GetSubstFont()->m_Weight);
- }
- }
- ScopedFontTransform scoped_transform(m_Face, &ft_matrix);
- int load_flags = (m_Face->face_flags & FT_FACE_FLAG_SFNT)
- ? FXFT_LOAD_NO_BITMAP
- : (FXFT_LOAD_NO_BITMAP | FT_LOAD_NO_HINTING);
- int error = FXFT_Load_Glyph(m_Face, glyph_index, load_flags);
- if (error) {
- // if an error is returned, try to reload glyphs without hinting.
- if (load_flags & FT_LOAD_NO_HINTING || load_flags & FT_LOAD_NO_SCALE) {
- return NULL;
- }
-
- load_flags |= FT_LOAD_NO_HINTING;
- error = FXFT_Load_Glyph(m_Face, glyph_index, load_flags);
-
- if (error) {
- return NULL;
- }
- }
- int weight = 0;
- if (bUseCJKSubFont) {
- weight = pSubstFont->m_WeightCJK;
- } else {
- weight = pSubstFont ? pSubstFont->m_Weight : 0;
- }
- if (pSubstFont && !(pSubstFont->m_SubstFlags & FXFONT_SUBST_MM) &&
- weight > 400) {
- int index = (weight - 400) / 10;
- if (index >= WEIGHTPOW_ARRAY_SIZE) {
- return NULL;
- }
- int level = 0;
- if (pSubstFont->m_Charset == FXFONT_SHIFTJIS_CHARSET) {
- level =
- g_WeightPow_SHIFTJIS[index] * 2 *
- (FXSYS_abs((int)(ft_matrix.xx)) + FXSYS_abs((int)(ft_matrix.xy))) /
- 36655;
- } else {
- level = g_WeightPow_11[index] * (FXSYS_abs((int)(ft_matrix.xx)) +
- FXSYS_abs((int)(ft_matrix.xy))) /
- 36655;
- }
- FXFT_Outline_Embolden(FXFT_Get_Glyph_Outline(m_Face), level);
- }
- FXFT_Library_SetLcdFilter(CFX_GEModule::Get()->GetFontMgr()->GetFTLibrary(),
- FT_LCD_FILTER_DEFAULT);
- error = FXFT_Render_Glyph(m_Face, anti_alias);
- if (error) {
- return NULL;
- }
- int bmwidth = FXFT_Get_Bitmap_Width(FXFT_Get_Glyph_Bitmap(m_Face));
- int bmheight = FXFT_Get_Bitmap_Rows(FXFT_Get_Glyph_Bitmap(m_Face));
- if (bmwidth > 2048 || bmheight > 2048) {
- return NULL;
- }
- int dib_width = bmwidth;
- CFX_GlyphBitmap* pGlyphBitmap = new CFX_GlyphBitmap;
- pGlyphBitmap->m_Bitmap.Create(
- dib_width, bmheight,
- anti_alias == FXFT_RENDER_MODE_MONO ? FXDIB_1bppMask : FXDIB_8bppMask);
- pGlyphBitmap->m_Left = FXFT_Get_Glyph_BitmapLeft(m_Face);
- pGlyphBitmap->m_Top = FXFT_Get_Glyph_BitmapTop(m_Face);
- int dest_pitch = pGlyphBitmap->m_Bitmap.GetPitch();
- int src_pitch = FXFT_Get_Bitmap_Pitch(FXFT_Get_Glyph_Bitmap(m_Face));
- uint8_t* pDestBuf = pGlyphBitmap->m_Bitmap.GetBuffer();
- uint8_t* pSrcBuf =
- (uint8_t*)FXFT_Get_Bitmap_Buffer(FXFT_Get_Glyph_Bitmap(m_Face));
- if (anti_alias != FXFT_RENDER_MODE_MONO &&
- FXFT_Get_Bitmap_PixelMode(FXFT_Get_Glyph_Bitmap(m_Face)) ==
- FXFT_PIXEL_MODE_MONO) {
- int bytes = anti_alias == FXFT_RENDER_MODE_LCD ? 3 : 1;
- for (int i = 0; i < bmheight; i++)
- for (int n = 0; n < bmwidth; n++) {
- uint8_t data =
- (pSrcBuf[i * src_pitch + n / 8] & (0x80 >> (n % 8))) ? 255 : 0;
- for (int b = 0; b < bytes; b++) {
- pDestBuf[i * dest_pitch + n * bytes + b] = data;
- }
- }
- } else {
- FXSYS_memset(pDestBuf, 0, dest_pitch * bmheight);
- if (anti_alias == FXFT_RENDER_MODE_MONO &&
- FXFT_Get_Bitmap_PixelMode(FXFT_Get_Glyph_Bitmap(m_Face)) ==
- FXFT_PIXEL_MODE_MONO) {
- int rowbytes =
- FXSYS_abs(src_pitch) > dest_pitch ? dest_pitch : FXSYS_abs(src_pitch);
- for (int row = 0; row < bmheight; row++) {
- FXSYS_memcpy(pDestBuf + row * dest_pitch, pSrcBuf + row * src_pitch,
- rowbytes);
- }
- } else {
- _ContrastAdjust(pSrcBuf, pDestBuf, bmwidth, bmheight, src_pitch,
- dest_pitch);
- _GammaAdjust(pDestBuf, bmwidth, bmheight, dest_pitch,
- CFX_GEModule::Get()->GetTextGammaTable());
- }
- }
- return pGlyphBitmap;
-}
-const CFX_PathData* CFX_FaceCache::LoadGlyphPath(CFX_Font* pFont,
- FX_DWORD glyph_index,
- int dest_width) {
- if (!m_Face || glyph_index == (FX_DWORD)-1)
- return nullptr;
-
- FX_DWORD key = glyph_index;
- if (pFont->GetSubstFont()) {
- key += (((pFont->GetSubstFont()->m_Weight / 16) << 15) +
- ((pFont->GetSubstFont()->m_ItalicAngle / 2) << 21) +
- ((dest_width / 16) << 25) + (pFont->IsVertical() << 31));
- }
- auto it = m_PathMap.find(key);
- if (it != m_PathMap.end())
- return it->second;
-
- CFX_PathData* pGlyphPath = pFont->LoadGlyphPath(glyph_index, dest_width);
- m_PathMap[key] = pGlyphPath;
- return pGlyphPath;
-}
-typedef struct {
- FX_BOOL m_bCount;
- int m_PointCount;
- FX_PATHPOINT* m_pPoints;
- int m_CurX;
- int m_CurY;
- FX_FLOAT m_CoordUnit;
-} OUTLINE_PARAMS;
-void _Outline_CheckEmptyContour(OUTLINE_PARAMS* param) {
- if (param->m_PointCount >= 2 &&
- param->m_pPoints[param->m_PointCount - 2].m_Flag == FXPT_MOVETO &&
- param->m_pPoints[param->m_PointCount - 2].m_PointX ==
- param->m_pPoints[param->m_PointCount - 1].m_PointX &&
- param->m_pPoints[param->m_PointCount - 2].m_PointY ==
- param->m_pPoints[param->m_PointCount - 1].m_PointY) {
- param->m_PointCount -= 2;
- }
- if (param->m_PointCount >= 4 &&
- param->m_pPoints[param->m_PointCount - 4].m_Flag == FXPT_MOVETO &&
- param->m_pPoints[param->m_PointCount - 3].m_Flag == FXPT_BEZIERTO &&
- param->m_pPoints[param->m_PointCount - 3].m_PointX ==
- param->m_pPoints[param->m_PointCount - 4].m_PointX &&
- param->m_pPoints[param->m_PointCount - 3].m_PointY ==
- param->m_pPoints[param->m_PointCount - 4].m_PointY &&
- param->m_pPoints[param->m_PointCount - 2].m_PointX ==
- param->m_pPoints[param->m_PointCount - 4].m_PointX &&
- param->m_pPoints[param->m_PointCount - 2].m_PointY ==
- param->m_pPoints[param->m_PointCount - 4].m_PointY &&
- param->m_pPoints[param->m_PointCount - 1].m_PointX ==
- param->m_pPoints[param->m_PointCount - 4].m_PointX &&
- param->m_pPoints[param->m_PointCount - 1].m_PointY ==
- param->m_pPoints[param->m_PointCount - 4].m_PointY) {
- param->m_PointCount -= 4;
- }
-}
-extern "C" {
-static int _Outline_MoveTo(const FXFT_Vector* to, void* user) {
- OUTLINE_PARAMS* param = (OUTLINE_PARAMS*)user;
- if (!param->m_bCount) {
- _Outline_CheckEmptyContour(param);
- param->m_pPoints[param->m_PointCount].m_PointX = to->x / param->m_CoordUnit;
- param->m_pPoints[param->m_PointCount].m_PointY = to->y / param->m_CoordUnit;
- param->m_pPoints[param->m_PointCount].m_Flag = FXPT_MOVETO;
- param->m_CurX = to->x;
- param->m_CurY = to->y;
- if (param->m_PointCount) {
- param->m_pPoints[param->m_PointCount - 1].m_Flag |= FXPT_CLOSEFIGURE;
- }
- }
- param->m_PointCount++;
- return 0;
-}
-};
-extern "C" {
-static int _Outline_LineTo(const FXFT_Vector* to, void* user) {
- OUTLINE_PARAMS* param = (OUTLINE_PARAMS*)user;
- if (!param->m_bCount) {
- param->m_pPoints[param->m_PointCount].m_PointX = to->x / param->m_CoordUnit;
- param->m_pPoints[param->m_PointCount].m_PointY = to->y / param->m_CoordUnit;
- param->m_pPoints[param->m_PointCount].m_Flag = FXPT_LINETO;
- param->m_CurX = to->x;
- param->m_CurY = to->y;
- }
- param->m_PointCount++;
- return 0;
-}
-};
-extern "C" {
-static int _Outline_ConicTo(const FXFT_Vector* control,
- const FXFT_Vector* to,
- void* user) {
- OUTLINE_PARAMS* param = (OUTLINE_PARAMS*)user;
- if (!param->m_bCount) {
- param->m_pPoints[param->m_PointCount].m_PointX =
- (param->m_CurX + (control->x - param->m_CurX) * 2 / 3) /
- param->m_CoordUnit;
- param->m_pPoints[param->m_PointCount].m_PointY =
- (param->m_CurY + (control->y - param->m_CurY) * 2 / 3) /
- param->m_CoordUnit;
- param->m_pPoints[param->m_PointCount].m_Flag = FXPT_BEZIERTO;
- param->m_pPoints[param->m_PointCount + 1].m_PointX =
- (control->x + (to->x - control->x) / 3) / param->m_CoordUnit;
- param->m_pPoints[param->m_PointCount + 1].m_PointY =
- (control->y + (to->y - control->y) / 3) / param->m_CoordUnit;
- param->m_pPoints[param->m_PointCount + 1].m_Flag = FXPT_BEZIERTO;
- param->m_pPoints[param->m_PointCount + 2].m_PointX =
- to->x / param->m_CoordUnit;
- param->m_pPoints[param->m_PointCount + 2].m_PointY =
- to->y / param->m_CoordUnit;
- param->m_pPoints[param->m_PointCount + 2].m_Flag = FXPT_BEZIERTO;
- param->m_CurX = to->x;
- param->m_CurY = to->y;
- }
- param->m_PointCount += 3;
- return 0;
-}
-};
-extern "C" {
-static int _Outline_CubicTo(const FXFT_Vector* control1,
- const FXFT_Vector* control2,
- const FXFT_Vector* to,
- void* user) {
- OUTLINE_PARAMS* param = (OUTLINE_PARAMS*)user;
- if (!param->m_bCount) {
- param->m_pPoints[param->m_PointCount].m_PointX =
- control1->x / param->m_CoordUnit;
- param->m_pPoints[param->m_PointCount].m_PointY =
- control1->y / param->m_CoordUnit;
- param->m_pPoints[param->m_PointCount].m_Flag = FXPT_BEZIERTO;
- param->m_pPoints[param->m_PointCount + 1].m_PointX =
- control2->x / param->m_CoordUnit;
- param->m_pPoints[param->m_PointCount + 1].m_PointY =
- control2->y / param->m_CoordUnit;
- param->m_pPoints[param->m_PointCount + 1].m_Flag = FXPT_BEZIERTO;
- param->m_pPoints[param->m_PointCount + 2].m_PointX =
- to->x / param->m_CoordUnit;
- param->m_pPoints[param->m_PointCount + 2].m_PointY =
- to->y / param->m_CoordUnit;
- param->m_pPoints[param->m_PointCount + 2].m_Flag = FXPT_BEZIERTO;
- param->m_CurX = to->x;
- param->m_CurY = to->y;
- }
- param->m_PointCount += 3;
- return 0;
-}
-};
-CFX_PathData* CFX_Font::LoadGlyphPath(FX_DWORD glyph_index, int dest_width) {
- if (!m_Face) {
- return NULL;
- }
- FXFT_Set_Pixel_Sizes(m_Face, 0, 64);
- FXFT_Matrix ft_matrix = {65536, 0, 0, 65536};
- if (m_pSubstFont) {
- if (m_pSubstFont->m_ItalicAngle) {
- int skew = m_pSubstFont->m_ItalicAngle;
- skew = skew <= -ANGLESKEW_ARRAY_SIZE ? -58 : -g_AngleSkew[-skew];
- if (m_bVertical) {
- ft_matrix.yx += ft_matrix.yy * skew / 100;
- } else {
- ft_matrix.xy += -ft_matrix.xx * skew / 100;
- }
- }
- if (m_pSubstFont->m_SubstFlags & FXFONT_SUBST_MM) {
- AdjustMMParams(glyph_index, dest_width, m_pSubstFont->m_Weight);
- }
- }
- ScopedFontTransform scoped_transform(m_Face, &ft_matrix);
- int load_flags = FXFT_LOAD_NO_BITMAP;
- if (!(m_Face->face_flags & FT_FACE_FLAG_SFNT) || !FT_IS_TRICKY(m_Face)) {
- load_flags |= FT_LOAD_NO_HINTING;
- }
- int error = FXFT_Load_Glyph(m_Face, glyph_index, load_flags);
- if (error) {
- return NULL;
- }
- if (m_pSubstFont && !(m_pSubstFont->m_SubstFlags & FXFONT_SUBST_MM) &&
- m_pSubstFont->m_Weight > 400) {
- int index = (m_pSubstFont->m_Weight - 400) / 10;
- if (index >= WEIGHTPOW_ARRAY_SIZE)
- index = WEIGHTPOW_ARRAY_SIZE - 1;
- int level = 0;
- if (m_pSubstFont->m_Charset == FXFONT_SHIFTJIS_CHARSET) {
- level = g_WeightPow_SHIFTJIS[index] * 2 * 65536 / 36655;
- } else {
- level = g_WeightPow[index] * 2;
- }
- FXFT_Outline_Embolden(FXFT_Get_Glyph_Outline(m_Face), level);
- }
- FXFT_Outline_Funcs funcs;
- funcs.move_to = _Outline_MoveTo;
- funcs.line_to = _Outline_LineTo;
- funcs.conic_to = _Outline_ConicTo;
- funcs.cubic_to = _Outline_CubicTo;
- funcs.shift = 0;
- funcs.delta = 0;
- OUTLINE_PARAMS params;
- params.m_bCount = TRUE;
- params.m_PointCount = 0;
- FXFT_Outline_Decompose(FXFT_Get_Glyph_Outline(m_Face), &funcs, &params);
- if (params.m_PointCount == 0) {
- return NULL;
- }
- CFX_PathData* pPath = new CFX_PathData;
- pPath->SetPointCount(params.m_PointCount);
- params.m_bCount = FALSE;
- params.m_PointCount = 0;
- params.m_pPoints = pPath->GetPoints();
- params.m_CurX = params.m_CurY = 0;
- params.m_CoordUnit = 64 * 64.0;
- FXFT_Outline_Decompose(FXFT_Get_Glyph_Outline(m_Face), &funcs, &params);
- _Outline_CheckEmptyContour(&params);
- pPath->TrimPoints(params.m_PointCount);
- if (params.m_PointCount) {
- pPath->GetPoints()[params.m_PointCount - 1].m_Flag |= FXPT_CLOSEFIGURE;
- }
- return pPath;
-}
-void _CFX_UniqueKeyGen::Generate(int count, ...) {
- va_list argList;
- va_start(argList, count);
- for (int i = 0; i < count; i++) {
- int p = va_arg(argList, int);
- ((FX_DWORD*)m_Key)[i] = p;
- }
- va_end(argList);
- m_KeyLen = count * sizeof(FX_DWORD);
-}
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