summaryrefslogtreecommitdiff
path: root/core/src/fxge/ge/fx_ge_text.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'core/src/fxge/ge/fx_ge_text.cpp')
-rw-r--r--core/src/fxge/ge/fx_ge_text.cpp3548
1 files changed, 1774 insertions, 1774 deletions
diff --git a/core/src/fxge/ge/fx_ge_text.cpp b/core/src/fxge/ge/fx_ge_text.cpp
index 92f631e615..40acc5fe34 100644
--- a/core/src/fxge/ge/fx_ge_text.cpp
+++ b/core/src/fxge/ge/fx_ge_text.cpp
@@ -1,1774 +1,1774 @@
-// 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 "../../../include/fxge/fx_ge.h"
-#include "../../../include/fxge/fx_freetype.h"
-#include "../../../include/fxcodec/fx_codec.h"
-#include "text_int.h"
-#undef FX_GAMMA
-#undef FX_GAMMA_INVERSE
-#define FX_GAMMA(value) (value)
-#define FX_GAMMA_INVERSE(value) (value)
-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 == NULL) {
- 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 FX_BYTE g_GdipGamma_bgw[9] = {0, 0, 63, 120, 0, 168, 210, 239, 255};
-static const FX_BYTE g_GdipGamma_fgw[9] = {0, 0, 16, 45, 0, 87, 135, 192, 255};
-static const FX_BYTE g_GdipGammaAdjust_47[48] = {
- 0, 30, 33, 34, 35, 36, 37, 38, 38, 39, 39, 40, 40, 40, 41, 41, 41, 42, 42, 42, 42, 43,
- 43, 43, 43, 43, 44, 44, 44, 44, 44, 44, 45, 45, 45, 45, 45, 45, 45, 46,
- 46, 46, 46, 46, 46, 46, 46, 47
-};
-static const FX_BYTE g_GdipGammaAdjust_75[76] = {
- 0, 46, 50, 52, 54, 55, 56, 57, 58, 59, 60, 60, 61, 61, 62, 62, 63, 63, 64, 64, 64, 65,
- 65, 65, 66, 66, 66, 67, 67, 67, 67, 68, 68, 68, 68, 68, 69, 69, 69, 69, 69, 70, 70, 70,
- 70, 70, 71, 71, 71, 71, 71, 71, 72, 72, 72, 72, 72, 72, 72, 73, 73, 73, 73, 73, 73, 73,
- 73, 74, 74, 74, 74, 74, 74, 74, 74, 75
-};
-static const FX_BYTE g_GdipGammaAdjust_81[82] = {
- 0, 49, 53, 56, 58, 59, 60, 61, 62, 63, 64, 65, 65, 66, 66, 67, 67, 68, 68, 69, 69, 69, 70, 70, 70,
- 71, 71, 71, 72, 72, 72, 72, 73, 73, 73, 73, 74, 74, 74, 74, 74, 75, 75, 75, 75, 75, 76, 76, 76, 76,
- 76, 76, 77, 77, 77, 77, 77, 77, 78, 78, 78, 78, 78, 78, 78, 79, 79, 79, 79, 79, 79, 79, 79, 80,
- 80, 80, 80, 80, 80, 80, 80, 81
-};
-static void _Adjust_alpha(int background, int foreground, int& src_alpha, int text_flags, int a)
-{
-}
-static const FX_BYTE 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[(FX_BYTE)src_alpha];
-void _Color2Argb(FX_ARGB& argb, FX_DWORD color, int alpha_flag, void* pIccTransform)
-{
- if (pIccTransform == NULL && !FXGETFLAG_COLORTYPE(alpha_flag)) {
- argb = color;
- return;
- }
- if (!CFX_GEModule::Get()->GetCodecModule() || !CFX_GEModule::Get()->GetCodecModule()->GetIccModule()) {
- pIccTransform = NULL;
- }
- FX_BYTE 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, (FX_LPCBYTE)&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_AffineMatrix* 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)) {
-#if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_
- if (!(text_flags & FXFONT_CIDFONT) && pFont->GetPsName().Find(CFX_WideString::FromLocal("+ZJHL")) == -1)
-#ifdef FOXIT_CHROME_BUILD
- if (pFont->GetPsName() != CFX_WideString::FromLocal("CNAAJI+cmex10"))
-#endif
-#endif
- if (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)) {
-#if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_
- if (!(text_flags & FXFONT_CIDFONT))
-#ifdef FOXIT_CHROME_BUILD
- if (pFont->GetPsName() != CFX_WideString::FromLocal("CNAAJI+cmex10"))
-#endif
-#endif
- if (m_pDeviceDriver->DrawDeviceText(nChars, pCharPos, pFont, pCache, pText2Device, font_size, fill_color, alpha_flag, pIccTransform)) {
- return TRUE;
- }
- }
- CFX_AffineMatrix 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() != NULL || (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() == NULL && !(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 == NULL) {
- pCache = CFX_GEModule::Get()->GetFontCache();
- }
- CFX_FaceCache* pFaceCache = pCache->GetCachedFace(pFont);
- FX_FONTCACHE_DEFINE(pCache, pFont);
- FXTEXT_GLYPHPOS* pGlyphAndPos = FX_Alloc(FXTEXT_GLYPHPOS, nChars);
- if (!pGlyphAndPos) {
- return FALSE;
- }
- int iChar;
- deviceCtm = char2device;
- CFX_AffineMatrix 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_AffineMatrix 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 == NULL) {
- 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;
- FX_LPBYTE 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 == NULL) {
- 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;
- FX_LPBYTE 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;
- }
- FX_LPBYTE src_scan = src_buf + row * src_pitch + (start_col - left) * 3;
- FX_LPBYTE 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;
- FX_BYTE 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;
- }
- FX_BYTE 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 {
- FX_BYTE back_alpha = dest_scan[3];
- if (back_alpha == 0) {
- FXARGB_SETDIB(dest_scan, FXARGB_MAKE(src_alpha1, r, g, b));
- } else {
- FX_BYTE 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;
- FX_BYTE 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;
- }
- FX_BYTE 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 {
- FX_BYTE back_alpha = dest_scan[3];
- if (back_alpha == 0) {
- FXARGB_SETDIB(dest_scan, FXARGB_MAKE(src_alpha1, r, g, b));
- } else {
- FX_BYTE 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;
- FX_BYTE 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;
- }
- FX_BYTE 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;
- }
- FX_LPBYTE src_scan = src_buf + row * src_pitch + (start_col - left) * 3;
- FX_LPBYTE 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_AffineMatrix* pText2User,
- const CFX_AffineMatrix* 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 == NULL) {
- 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_AffineMatrix 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 == NULL) {
- 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()
-{
- FreeCache(TRUE);
-}
-CFX_FaceCache* CFX_FontCache::GetCachedFace(CFX_Font* pFont)
-{
- FX_BOOL bExternal = pFont->GetFace() == NULL;
- void* face = bExternal ? pFont->GetSubstFont()->m_ExtHandle : pFont->GetFace();
- CFX_FTCacheMap& map = bExternal ? m_ExtFaceMap : m_FTFaceMap;
- CFX_CountedFaceCache* counted_face_cache = NULL;
- if (map.Lookup((FXFT_Face)face, counted_face_cache)) {
- counted_face_cache->m_nCount++;
- return counted_face_cache->m_Obj;
- }
- CFX_FaceCache* face_cache = NULL;
- face_cache = FX_NEW CFX_FaceCache(bExternal ? NULL : (FXFT_Face)face);
- if (face_cache == NULL) {
- return NULL;
- }
- counted_face_cache = FX_NEW CFX_CountedFaceCache;
- if (!counted_face_cache) {
- if (face_cache) {
- delete face_cache;
- face_cache = NULL;
- }
- return NULL;
- }
- counted_face_cache->m_nCount = 2;
- counted_face_cache->m_Obj = face_cache;
- map.SetAt((FXFT_Face)face, counted_face_cache);
- return face_cache;
-}
-void CFX_FontCache::ReleaseCachedFace(CFX_Font* pFont)
-{
- FX_BOOL bExternal = pFont->GetFace() == NULL;
- void* face = bExternal ? pFont->GetSubstFont()->m_ExtHandle : pFont->GetFace();
- CFX_FTCacheMap& map = bExternal ? m_ExtFaceMap : m_FTFaceMap;
- CFX_CountedFaceCache* counted_face_cache = NULL;
- if (!map.Lookup((FXFT_Face)face, counted_face_cache)) {
- return;
- }
- if (counted_face_cache->m_nCount > 1) {
- counted_face_cache->m_nCount--;
- }
-}
-void CFX_FontCache::FreeCache(FX_BOOL bRelease)
-{
- {
- FX_POSITION pos;
- pos = m_FTFaceMap.GetStartPosition();
- while (pos) {
- FXFT_Face face;
- CFX_CountedFaceCache* cache;
- m_FTFaceMap.GetNextAssoc(pos, face, cache);
- if (bRelease || cache->m_nCount < 2) {
- delete cache->m_Obj;
- delete cache;
- m_FTFaceMap.RemoveKey(face);
- }
- }
- pos = m_ExtFaceMap.GetStartPosition();
- while (pos) {
- FXFT_Face face;
- CFX_CountedFaceCache* cache;
- m_ExtFaceMap.GetNextAssoc(pos, face, cache);
- if (bRelease || cache->m_nCount < 2) {
- delete cache->m_Obj;
- delete cache;
- m_ExtFaceMap.RemoveKey(face);
- }
- }
- }
-}
-CFX_FaceCache::CFX_FaceCache(FXFT_Face face)
-{
- m_Face = face;
- m_pBitmap = NULL;
-}
-CFX_FaceCache::~CFX_FaceCache()
-{
- FX_POSITION pos = m_SizeMap.GetStartPosition();
- CFX_ByteString Key;
- CFX_SizeGlyphCache* pSizeCache = NULL;
- while(pos) {
- m_SizeMap.GetNextAssoc( pos, Key, (void*&)pSizeCache);
- delete pSizeCache;
- }
- m_SizeMap.RemoveAll();
- pos = m_PathMap.GetStartPosition();
- FX_LPVOID key1;
- CFX_PathData* pPath;
- while (pos) {
- m_PathMap.GetNextAssoc(pos, key1, (FX_LPVOID&)pPath);
- delete pPath;
- }
- if (m_pBitmap) {
- delete m_pBitmap;
- }
- m_PathMap.RemoveAll();
-}
-#if ((_FXM_PLATFORM_ != _FXM_PLATFORM_APPLE_)|| defined(_FPDFAPI_MINI_))
-void CFX_FaceCache::InitPlatform()
-{
-}
-#endif
-CFX_GlyphBitmap* CFX_FaceCache::LookUpGlyphBitmap(CFX_Font* pFont, const CFX_AffineMatrix* pMatrix,
- CFX_ByteStringC& FaceGlyphsKey, FX_DWORD glyph_index, FX_BOOL bFontStyle,
- int dest_width, int anti_alias)
-{
- CFX_SizeGlyphCache* pSizeCache = NULL;
- if (!m_SizeMap.Lookup(FaceGlyphsKey, (void*&)pSizeCache)) {
- pSizeCache = FX_NEW CFX_SizeGlyphCache;
- if (pSizeCache == NULL) {
- return NULL;
- }
- m_SizeMap.SetAt(FaceGlyphsKey, pSizeCache);
- }
- CFX_GlyphBitmap* pGlyphBitmap = NULL;
- if (pSizeCache->m_GlyphMap.Lookup((FX_LPVOID)(FX_UINTPTR)glyph_index, (void*&)pGlyphBitmap)) {
- return pGlyphBitmap;
- }
- pGlyphBitmap = RenderGlyph(pFont, glyph_index, bFontStyle, pMatrix, dest_width, anti_alias);
- if (pGlyphBitmap == NULL) {
- return NULL;
- }
- pSizeCache->m_GlyphMap.SetAt((FX_LPVOID)(FX_UINTPTR)glyph_index, pGlyphBitmap);
- return pGlyphBitmap;
-}
-const CFX_GlyphBitmap* CFX_FaceCache::LoadGlyphBitmap(CFX_Font* pFont, FX_DWORD glyph_index, FX_BOOL bFontStyle, const CFX_AffineMatrix* 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_)|| defined(_FPDFAPI_MINI_))
- 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_)|| defined(_FPDFAPI_MINI_))
- 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);
- } else {
- CFX_GlyphBitmap* pGlyphBitmap;
- CFX_SizeGlyphCache* pSizeCache = NULL;
- if (m_SizeMap.Lookup(FaceGlyphsKey, (void*&)pSizeCache)) {
- if (pSizeCache->m_GlyphMap.Lookup((FX_LPVOID)(FX_UINTPTR)glyph_index, (void*&)pGlyphBitmap)) {
- return pGlyphBitmap;
- }
- pGlyphBitmap = RenderGlyph_Nativetext(pFont, glyph_index, pMatrix, dest_width, anti_alias);
- if (pGlyphBitmap) {
- pSizeCache->m_GlyphMap.SetAt((FX_LPVOID)(FX_UINTPTR)glyph_index, pGlyphBitmap);
- return pGlyphBitmap;
- }
- } else {
- pGlyphBitmap = RenderGlyph_Nativetext(pFont, glyph_index, pMatrix, dest_width, anti_alias);
- if (pGlyphBitmap) {
- pSizeCache = FX_NEW CFX_SizeGlyphCache;
- if (pSizeCache == NULL) {
- return NULL;
- }
- m_SizeMap.SetAt(FaceGlyphsKey, pSizeCache);
- pSizeCache->m_GlyphMap.SetAt((FX_LPVOID)(FX_UINTPTR)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 FaceGlyphsKey(keygen.m_Key, keygen.m_KeyLen);
- text_flags |= FXTEXT_NO_NATIVETEXT;
- return LookUpGlyphBitmap(pFont, pMatrix, FaceGlyphsKey, glyph_index, bFontStyle, dest_width, anti_alias);
- }
-#endif
-}
-CFX_SizeGlyphCache::~CFX_SizeGlyphCache()
-{
- FX_POSITION pos = m_GlyphMap.GetStartPosition();
- FX_LPVOID Key;
- CFX_GlyphBitmap* pGlyphBitmap = NULL;
- while(pos) {
- m_GlyphMap.GetNextAssoc(pos, Key, (void*&)pGlyphBitmap);
- delete pGlyphBitmap;
- }
- m_GlyphMap.RemoveAll();
-}
-#if defined(_FPDFAPI_MINI_)
-#define CONTRAST_RAMP_STEP 16
-#else
-#define CONTRAST_RAMP_STEP 1
-#endif
-static const FX_BYTE g_adjust_contrast11[256] = {
- 0, 0, 2, 3, 4, 5, 6, 8, 9, 10, 11, 13, 14, 15, 17, 18, 19, 21, 22, 24, 25, 26, 28, 29, 31,
- 32, 33, 35, 36, 38, 39, 40, 42, 43, 45, 46, 48, 49, 51, 52, 54, 55, 56, 58, 59, 61, 62, 64, 65,
- 67, 68, 70, 71, 72, 74, 75, 77, 78, 80, 81, 83, 84, 86, 87, 89, 90, 91, 93, 94, 96, 97, 99, 100,
- 101, 103, 104, 106, 107, 109, 110, 111, 113, 114, 116, 117, 118, 120, 121, 123, 124, 125, 127,
- 128, 130, 131, 132, 134, 135, 136, 138, 139, 140, 142, 143, 144, 146, 147, 148, 149, 151, 152,
- 153, 155, 156, 157, 158, 160, 161, 162, 163, 165, 166, 167, 168, 169, 171, 172, 173, 174, 175,
- 177, 178, 179, 180, 181, 182, 183, 185, 186, 187, 188, 189, 190, 191, 192, 193, 194, 195, 196,
- 197, 198, 199, 200, 201, 202, 203, 204, 205, 206, 207, 208, 209, 210, 211, 212, 213, 214, 215,
- 215, 216, 217, 218, 219, 220, 221, 221, 222, 223, 224, 224, 225, 226, 227, 227, 228, 229, 230,
- 230, 231, 232, 232, 233, 234, 234, 235, 236, 236, 237, 237, 238, 239, 239, 240, 240, 241, 241,
- 242, 242, 243, 243, 244, 244, 245, 245, 246, 246, 246, 247, 247, 248, 248, 248, 249, 249, 249,
- 250, 250, 250, 251, 251, 251, 251, 252, 252, 252, 252, 253, 253, 253, 253, 253, 253, 254, 254,
- 254, 254, 254, 254, 254, 254, 254, 254, 254, 254, 254, 255,
-};
-static const FX_BYTE g_adjust_contrast15[256] = {
- 0, 0, 0, 0, 0, 1, 1, 2, 2, 3, 3, 4, 5, 5, 6, 7, 7, 8, 9, 10, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21,
- 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 34, 35, 36, 37, 38, 40, 41, 42, 43, 45, 46, 47, 48, 50, 51,
- 52, 54, 55, 56, 58, 59, 60, 62, 63, 64, 66, 67, 68, 70, 71, 73, 74, 75, 77, 78, 80, 81, 82, 84, 85, 87,
- 88, 90, 91, 93, 94, 95, 97, 98, 100, 101, 103, 104, 106, 107, 109, 110, 111, 113, 114, 116, 117, 119,
- 120, 122, 123, 125, 126, 128, 129, 130, 132, 133, 135, 136, 138, 139, 141, 142, 143, 145, 146, 148,
- 149, 150, 152, 153, 155, 156, 157, 159, 160, 161, 163, 164, 166, 167, 168, 170, 171, 172, 174, 175,
- 176, 177, 179, 180, 181, 183, 184, 185, 186, 188, 189, 190, 191, 192, 194, 195, 196, 197, 198, 199,
- 201, 202, 203, 204, 205, 206, 207, 208, 209, 210, 211, 212, 213, 214, 215, 216, 217, 218, 219, 220,
- 221, 222, 223, 224, 225, 226, 227, 227, 228, 229, 230, 231, 232, 232, 233, 234, 235, 235, 236, 237,
- 237, 238, 239, 239, 240, 241, 241, 242, 242, 243, 244, 244, 245, 245, 246, 246, 247, 247, 248, 248,
- 248, 249, 249, 250, 250, 250, 251, 251, 251, 252, 252, 252, 252, 253, 253, 253, 253, 253, 254, 254,
- 254, 254, 254, 254, 254, 254, 254, 254, 254, 255,
-};
-static void _CalcContrastRamp(FX_LPBYTE ramp, int level)
-{
- int contrast_min = 0, contrast_max = 255 - level, i;
- for (i = 0; i < contrast_min; i ++) {
- ramp[i] = 0;
- }
- for (i = contrast_min; i < contrast_max; i ++) {
- ramp[i] = 255 * (i - contrast_min) / (contrast_max - contrast_min);
- }
- for (i = contrast_max; i < 256; i ++) {
- ramp[i] = 255;
- }
-}
-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 == NULL) {
- 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;
- int error = FXFT_Set_MM_Design_Coordinates(m_Face, 2, coords);
- error = 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;
- error = FXFT_Set_MM_Design_Coordinates(m_Face, 2, coords);
- error = 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) {
- 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);
-}
-extern const char g_AngleSkew[30] = {
- 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 FX_BYTE g_WeightPow[100] = {
- 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,
-};
-extern const FX_BYTE g_WeightPow_11[100] = {
- 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,
-};
-extern const FX_BYTE g_WeightPow_SHIFTJIS[100] = {
- 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(FX_LPBYTE pData, int nWid, int nHei, int src_pitch, FX_LPCBYTE gammaTable)
-{
- int count = nHei * src_pitch;
- for(int i = 0; i < count; i++) {
- pData[i] = gammaTable[pData[i]];
- }
-}
-static void _ContrastAdjust(FX_LPBYTE pDataIn, FX_LPBYTE 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 ++) {
- FX_LPBYTE 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_memcpy32(pDataOut + row * nDstRowBytes, pDataIn + row * nSrcRowBytes, rowbytes);
- }
- return;
- }
- rate = 255.f / temp;
- for (row = 0; row < nHei; row ++) {
- FX_LPBYTE pSrcRow = pDataIn + row * nSrcRowBytes;
- FX_LPBYTE 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 ++ = (FX_BYTE)temp;
- }
- }
-}
-CFX_GlyphBitmap* CFX_FaceCache::RenderGlyph(CFX_Font* pFont, FX_DWORD glyph_index, FX_BOOL bFontStyle,
- const CFX_AffineMatrix* pMatrix, int dest_width, int anti_alias)
-{
- if (m_Face == NULL) {
- 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 <= -30 ? -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);
- }
- }
- int transflag = FXFT_Get_Face_Internal_Flag(m_Face);
- FXFT_Set_Transform(m_Face, &ft_matrix, 0);
- 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) {
- FXFT_Set_Face_Internal_Flag(m_Face, transflag);
- 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 >= 100) {
- FXFT_Set_Face_Internal_Flag(m_Face, transflag);
- 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()->m_FTLibrary, FT_LCD_FILTER_DEFAULT);
- error = FXFT_Render_Glyph(m_Face, anti_alias);
- if (error) {
- FXFT_Set_Face_Internal_Flag(m_Face, transflag);
- 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) {
- FXFT_Set_Face_Internal_Flag(m_Face, transflag);
- return NULL;
- }
- int dib_width = bmwidth;
- CFX_GlyphBitmap* pGlyphBitmap = FX_NEW CFX_GlyphBitmap;
- if (!pGlyphBitmap) {
- return NULL;
- }
- 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));
- FX_BYTE* pDestBuf = pGlyphBitmap->m_Bitmap.GetBuffer();
- FX_BYTE* pSrcBuf = (FX_BYTE*)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++) {
- FX_BYTE 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_memset32(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_memcpy32(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());
- }
- }
- FXFT_Set_Face_Internal_Flag(m_Face, transflag);
- return pGlyphBitmap;
-}
-FX_BOOL _OutputGlyph(void* dib, int x, int y, CFX_Font* pFont,
- int glyph_index, FX_ARGB argb)
-{
- CFX_DIBitmap* pDib = (CFX_DIBitmap*)dib;
- FXFT_Face face = pFont->GetFace();
- int error = FXFT_Load_Glyph(face, glyph_index, FXFT_LOAD_NO_BITMAP);
- if (error) {
- return FALSE;
- }
- error = FXFT_Render_Glyph(face, FXFT_RENDER_MODE_NORMAL);
- if (error) {
- return FALSE;
- }
- int bmwidth = FXFT_Get_Bitmap_Width(FXFT_Get_Glyph_Bitmap(face));
- int bmheight = FXFT_Get_Bitmap_Rows(FXFT_Get_Glyph_Bitmap(face));
- int left = FXFT_Get_Glyph_BitmapLeft(face);
- int top = FXFT_Get_Glyph_BitmapTop(face);
- FX_LPCBYTE src_buf = (FX_LPCBYTE)FXFT_Get_Bitmap_Buffer(FXFT_Get_Glyph_Bitmap(face));
- int src_pitch = FXFT_Get_Bitmap_Pitch(FXFT_Get_Glyph_Bitmap(face));
- CFX_DIBitmap mask;
- mask.Create(bmwidth, bmheight, FXDIB_8bppMask);
- FX_LPBYTE dest_buf = mask.GetBuffer();
- int dest_pitch = mask.GetPitch();
- for (int row = 0; row < bmheight; row ++) {
- FX_LPCBYTE src_scan = src_buf + row * src_pitch;
- FX_LPBYTE dest_scan = dest_buf + row * dest_pitch;
- FXSYS_memcpy32(dest_scan, src_scan, dest_pitch);
- }
- pDib->CompositeMask(x + left, y - top, bmwidth, bmheight, &mask, argb, 0, 0);
- return TRUE;
-}
-FX_BOOL OutputText(void* dib, int x, int y, CFX_Font* pFont, double font_size,
- CFX_AffineMatrix* pText_matrix, unsigned short const* text, unsigned long argb)
-{
- if (!pFont) {
- return FALSE;
- }
- FXFT_Face face = pFont->GetFace();
- FXFT_Select_Charmap(pFont->m_Face, FXFT_ENCODING_UNICODE);
- int transflag = FXFT_Get_Face_Internal_Flag(pFont->m_Face);
- if (pText_matrix) {
- FXFT_Matrix ft_matrix;
- ft_matrix.xx = (signed long)(pText_matrix->a / 64 * 65536);
- ft_matrix.xy = (signed long)(pText_matrix->c / 64 * 65536);
- ft_matrix.yx = (signed long)(pText_matrix->b / 64 * 65536);
- ft_matrix.yy = (signed long)(pText_matrix->d / 64 * 65536);
- FXFT_Set_Transform(face, &ft_matrix, 0);
- }
- FX_FLOAT x_pos = 0;
- for (; *text != 0; text ++) {
- FX_WCHAR unicode = *text;
- int glyph_index = FXFT_Get_Char_Index(pFont->m_Face, unicode);
- if (glyph_index <= 0) {
- continue;
- }
- int err = FXFT_Load_Glyph(pFont->m_Face, glyph_index, FXFT_LOAD_NO_SCALE | FXFT_LOAD_IGNORE_GLOBAL_ADVANCE_WIDTH);
- if (err) {
- continue;
- }
- int w = FXFT_Get_Glyph_HoriAdvance(pFont->m_Face);
- int em = FXFT_Get_Face_UnitsPerEM(pFont->m_Face);
- FX_FLOAT x1, y1;
- pText_matrix->Transform(x_pos, 0, x1, y1);
- _OutputGlyph(dib, (int)x1 + x, (int) - y1 + y, pFont,
- glyph_index, argb);
- x_pos += (FX_FLOAT)w / em;
- }
- FXFT_Set_Face_Internal_Flag(pFont->m_Face, transflag);
- return TRUE;
-}
-FX_BOOL OutputGlyph(void* dib, int x, int y, CFX_Font* pFont, double font_size,
- CFX_AffineMatrix* pMatrix, unsigned long glyph_index, unsigned long argb)
-{
- FXFT_Matrix ft_matrix;
- if (pMatrix) {
- ft_matrix.xx = (signed long)(pMatrix->a * font_size / 64 * 65536);
- ft_matrix.xy = (signed long)(pMatrix->c * font_size / 64 * 65536);
- ft_matrix.yx = (signed long)(pMatrix->b * font_size / 64 * 65536);
- ft_matrix.yy = (signed long)(pMatrix->d * font_size / 64 * 65536);
- } else {
- ft_matrix.xx = (signed long)(font_size / 64 * 65536);
- ft_matrix.xy = ft_matrix.yx = 0;
- ft_matrix.yy = (signed long)(font_size / 64 * 65536);
- }
- int transflag = FXFT_Get_Face_Internal_Flag(pFont->m_Face);
- FXFT_Set_Transform(pFont->m_Face, &ft_matrix, 0);
- FX_BOOL ret = _OutputGlyph(dib, x, y, pFont,
- glyph_index, argb);
- FXFT_Set_Face_Internal_Flag(pFont->m_Face, transflag);
- return ret;
-}
-const CFX_PathData* CFX_FaceCache::LoadGlyphPath(CFX_Font* pFont, FX_DWORD glyph_index, int dest_width)
-{
- if (m_Face == NULL || glyph_index == (FX_DWORD) - 1) {
- return NULL;
- }
- CFX_PathData* pGlyphPath = NULL;
- FX_LPVOID key;
- if (pFont->GetSubstFont())
- key = (FX_LPVOID)(FX_UINTPTR)(glyph_index + ((pFont->GetSubstFont()->m_Weight / 16) << 15) +
- ((pFont->GetSubstFont()->m_ItalicAngle / 2) << 21) + ((dest_width / 16) << 25) +
- (pFont->IsVertical() << 31));
- else {
- key = (FX_LPVOID)(FX_UINTPTR)glyph_index;
- }
- if (m_PathMap.Lookup(key, (FX_LPVOID&)pGlyphPath)) {
- return pGlyphPath;
- }
- pGlyphPath = pFont->LoadGlyphPath(glyph_index, dest_width);
- m_PathMap.SetAt(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 == NULL) {
- 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 <= -30 ? -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);
- }
- }
- int transflag = FXFT_Get_Face_Internal_Flag(m_Face);
- FXFT_Set_Transform(m_Face, &ft_matrix, 0);
- 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) {
- FXFT_Set_Face_Internal_Flag(m_Face, transflag);
- return NULL;
- }
- if (m_pSubstFont && !(m_pSubstFont->m_SubstFlags & FXFONT_SUBST_MM) && m_pSubstFont->m_Weight > 400) {
- int level = 0;
- if (m_pSubstFont->m_Charset == FXFONT_SHIFTJIS_CHARSET) {
- level = g_WeightPow_SHIFTJIS[(m_pSubstFont->m_Weight - 400) / 10] * 2 * 65536 / 36655;
- } else {
- level = g_WeightPow[(m_pSubstFont->m_Weight - 400) / 10] * 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) {
- FXFT_Set_Face_Internal_Flag(m_Face, transflag);
- return NULL;
- }
- CFX_PathData* pPath = FX_NEW CFX_PathData;
- if (!pPath) {
- return NULL;
- }
- 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;
- }
- FXFT_Set_Face_Internal_Flag(m_Face, transflag);
- 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);
-}
+// 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 "../../../include/fxge/fx_ge.h"
+#include "../../../include/fxge/fx_freetype.h"
+#include "../../../include/fxcodec/fx_codec.h"
+#include "text_int.h"
+#undef FX_GAMMA
+#undef FX_GAMMA_INVERSE
+#define FX_GAMMA(value) (value)
+#define FX_GAMMA_INVERSE(value) (value)
+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 == NULL) {
+ 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 FX_BYTE g_GdipGamma_bgw[9] = {0, 0, 63, 120, 0, 168, 210, 239, 255};
+static const FX_BYTE g_GdipGamma_fgw[9] = {0, 0, 16, 45, 0, 87, 135, 192, 255};
+static const FX_BYTE g_GdipGammaAdjust_47[48] = {
+ 0, 30, 33, 34, 35, 36, 37, 38, 38, 39, 39, 40, 40, 40, 41, 41, 41, 42, 42, 42, 42, 43,
+ 43, 43, 43, 43, 44, 44, 44, 44, 44, 44, 45, 45, 45, 45, 45, 45, 45, 46,
+ 46, 46, 46, 46, 46, 46, 46, 47
+};
+static const FX_BYTE g_GdipGammaAdjust_75[76] = {
+ 0, 46, 50, 52, 54, 55, 56, 57, 58, 59, 60, 60, 61, 61, 62, 62, 63, 63, 64, 64, 64, 65,
+ 65, 65, 66, 66, 66, 67, 67, 67, 67, 68, 68, 68, 68, 68, 69, 69, 69, 69, 69, 70, 70, 70,
+ 70, 70, 71, 71, 71, 71, 71, 71, 72, 72, 72, 72, 72, 72, 72, 73, 73, 73, 73, 73, 73, 73,
+ 73, 74, 74, 74, 74, 74, 74, 74, 74, 75
+};
+static const FX_BYTE g_GdipGammaAdjust_81[82] = {
+ 0, 49, 53, 56, 58, 59, 60, 61, 62, 63, 64, 65, 65, 66, 66, 67, 67, 68, 68, 69, 69, 69, 70, 70, 70,
+ 71, 71, 71, 72, 72, 72, 72, 73, 73, 73, 73, 74, 74, 74, 74, 74, 75, 75, 75, 75, 75, 76, 76, 76, 76,
+ 76, 76, 77, 77, 77, 77, 77, 77, 78, 78, 78, 78, 78, 78, 78, 79, 79, 79, 79, 79, 79, 79, 79, 80,
+ 80, 80, 80, 80, 80, 80, 80, 81
+};
+static void _Adjust_alpha(int background, int foreground, int& src_alpha, int text_flags, int a)
+{
+}
+static const FX_BYTE 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[(FX_BYTE)src_alpha];
+void _Color2Argb(FX_ARGB& argb, FX_DWORD color, int alpha_flag, void* pIccTransform)
+{
+ if (pIccTransform == NULL && !FXGETFLAG_COLORTYPE(alpha_flag)) {
+ argb = color;
+ return;
+ }
+ if (!CFX_GEModule::Get()->GetCodecModule() || !CFX_GEModule::Get()->GetCodecModule()->GetIccModule()) {
+ pIccTransform = NULL;
+ }
+ FX_BYTE 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, (FX_LPCBYTE)&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_AffineMatrix* 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)) {
+#if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_
+ if (!(text_flags & FXFONT_CIDFONT) && pFont->GetPsName().Find(CFX_WideString::FromLocal("+ZJHL")) == -1)
+#ifdef FOXIT_CHROME_BUILD
+ if (pFont->GetPsName() != CFX_WideString::FromLocal("CNAAJI+cmex10"))
+#endif
+#endif
+ if (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)) {
+#if _FXM_PLATFORM_ == _FXM_PLATFORM_APPLE_
+ if (!(text_flags & FXFONT_CIDFONT))
+#ifdef FOXIT_CHROME_BUILD
+ if (pFont->GetPsName() != CFX_WideString::FromLocal("CNAAJI+cmex10"))
+#endif
+#endif
+ if (m_pDeviceDriver->DrawDeviceText(nChars, pCharPos, pFont, pCache, pText2Device, font_size, fill_color, alpha_flag, pIccTransform)) {
+ return TRUE;
+ }
+ }
+ CFX_AffineMatrix 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() != NULL || (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() == NULL && !(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 == NULL) {
+ pCache = CFX_GEModule::Get()->GetFontCache();
+ }
+ CFX_FaceCache* pFaceCache = pCache->GetCachedFace(pFont);
+ FX_FONTCACHE_DEFINE(pCache, pFont);
+ FXTEXT_GLYPHPOS* pGlyphAndPos = FX_Alloc(FXTEXT_GLYPHPOS, nChars);
+ if (!pGlyphAndPos) {
+ return FALSE;
+ }
+ int iChar;
+ deviceCtm = char2device;
+ CFX_AffineMatrix 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_AffineMatrix 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 == NULL) {
+ 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;
+ FX_LPBYTE 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 == NULL) {
+ 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;
+ FX_LPBYTE 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;
+ }
+ FX_LPBYTE src_scan = src_buf + row * src_pitch + (start_col - left) * 3;
+ FX_LPBYTE 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;
+ FX_BYTE 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;
+ }
+ FX_BYTE 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 {
+ FX_BYTE back_alpha = dest_scan[3];
+ if (back_alpha == 0) {
+ FXARGB_SETDIB(dest_scan, FXARGB_MAKE(src_alpha1, r, g, b));
+ } else {
+ FX_BYTE 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;
+ FX_BYTE 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;
+ }
+ FX_BYTE 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 {
+ FX_BYTE back_alpha = dest_scan[3];
+ if (back_alpha == 0) {
+ FXARGB_SETDIB(dest_scan, FXARGB_MAKE(src_alpha1, r, g, b));
+ } else {
+ FX_BYTE 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;
+ FX_BYTE 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;
+ }
+ FX_BYTE 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;
+ }
+ FX_LPBYTE src_scan = src_buf + row * src_pitch + (start_col - left) * 3;
+ FX_LPBYTE 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_AffineMatrix* pText2User,
+ const CFX_AffineMatrix* 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 == NULL) {
+ 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_AffineMatrix 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 == NULL) {
+ 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()
+{
+ FreeCache(TRUE);
+}
+CFX_FaceCache* CFX_FontCache::GetCachedFace(CFX_Font* pFont)
+{
+ FX_BOOL bExternal = pFont->GetFace() == NULL;
+ void* face = bExternal ? pFont->GetSubstFont()->m_ExtHandle : pFont->GetFace();
+ CFX_FTCacheMap& map = bExternal ? m_ExtFaceMap : m_FTFaceMap;
+ CFX_CountedFaceCache* counted_face_cache = NULL;
+ if (map.Lookup((FXFT_Face)face, counted_face_cache)) {
+ counted_face_cache->m_nCount++;
+ return counted_face_cache->m_Obj;
+ }
+ CFX_FaceCache* face_cache = NULL;
+ face_cache = FX_NEW CFX_FaceCache(bExternal ? NULL : (FXFT_Face)face);
+ if (face_cache == NULL) {
+ return NULL;
+ }
+ counted_face_cache = FX_NEW CFX_CountedFaceCache;
+ if (!counted_face_cache) {
+ if (face_cache) {
+ delete face_cache;
+ face_cache = NULL;
+ }
+ return NULL;
+ }
+ counted_face_cache->m_nCount = 2;
+ counted_face_cache->m_Obj = face_cache;
+ map.SetAt((FXFT_Face)face, counted_face_cache);
+ return face_cache;
+}
+void CFX_FontCache::ReleaseCachedFace(CFX_Font* pFont)
+{
+ FX_BOOL bExternal = pFont->GetFace() == NULL;
+ void* face = bExternal ? pFont->GetSubstFont()->m_ExtHandle : pFont->GetFace();
+ CFX_FTCacheMap& map = bExternal ? m_ExtFaceMap : m_FTFaceMap;
+ CFX_CountedFaceCache* counted_face_cache = NULL;
+ if (!map.Lookup((FXFT_Face)face, counted_face_cache)) {
+ return;
+ }
+ if (counted_face_cache->m_nCount > 1) {
+ counted_face_cache->m_nCount--;
+ }
+}
+void CFX_FontCache::FreeCache(FX_BOOL bRelease)
+{
+ {
+ FX_POSITION pos;
+ pos = m_FTFaceMap.GetStartPosition();
+ while (pos) {
+ FXFT_Face face;
+ CFX_CountedFaceCache* cache;
+ m_FTFaceMap.GetNextAssoc(pos, face, cache);
+ if (bRelease || cache->m_nCount < 2) {
+ delete cache->m_Obj;
+ delete cache;
+ m_FTFaceMap.RemoveKey(face);
+ }
+ }
+ pos = m_ExtFaceMap.GetStartPosition();
+ while (pos) {
+ FXFT_Face face;
+ CFX_CountedFaceCache* cache;
+ m_ExtFaceMap.GetNextAssoc(pos, face, cache);
+ if (bRelease || cache->m_nCount < 2) {
+ delete cache->m_Obj;
+ delete cache;
+ m_ExtFaceMap.RemoveKey(face);
+ }
+ }
+ }
+}
+CFX_FaceCache::CFX_FaceCache(FXFT_Face face)
+{
+ m_Face = face;
+ m_pBitmap = NULL;
+}
+CFX_FaceCache::~CFX_FaceCache()
+{
+ FX_POSITION pos = m_SizeMap.GetStartPosition();
+ CFX_ByteString Key;
+ CFX_SizeGlyphCache* pSizeCache = NULL;
+ while(pos) {
+ m_SizeMap.GetNextAssoc( pos, Key, (void*&)pSizeCache);
+ delete pSizeCache;
+ }
+ m_SizeMap.RemoveAll();
+ pos = m_PathMap.GetStartPosition();
+ FX_LPVOID key1;
+ CFX_PathData* pPath;
+ while (pos) {
+ m_PathMap.GetNextAssoc(pos, key1, (FX_LPVOID&)pPath);
+ delete pPath;
+ }
+ if (m_pBitmap) {
+ delete m_pBitmap;
+ }
+ m_PathMap.RemoveAll();
+}
+#if ((_FXM_PLATFORM_ != _FXM_PLATFORM_APPLE_)|| defined(_FPDFAPI_MINI_))
+void CFX_FaceCache::InitPlatform()
+{
+}
+#endif
+CFX_GlyphBitmap* CFX_FaceCache::LookUpGlyphBitmap(CFX_Font* pFont, const CFX_AffineMatrix* pMatrix,
+ CFX_ByteStringC& FaceGlyphsKey, FX_DWORD glyph_index, FX_BOOL bFontStyle,
+ int dest_width, int anti_alias)
+{
+ CFX_SizeGlyphCache* pSizeCache = NULL;
+ if (!m_SizeMap.Lookup(FaceGlyphsKey, (void*&)pSizeCache)) {
+ pSizeCache = FX_NEW CFX_SizeGlyphCache;
+ if (pSizeCache == NULL) {
+ return NULL;
+ }
+ m_SizeMap.SetAt(FaceGlyphsKey, pSizeCache);
+ }
+ CFX_GlyphBitmap* pGlyphBitmap = NULL;
+ if (pSizeCache->m_GlyphMap.Lookup((FX_LPVOID)(FX_UINTPTR)glyph_index, (void*&)pGlyphBitmap)) {
+ return pGlyphBitmap;
+ }
+ pGlyphBitmap = RenderGlyph(pFont, glyph_index, bFontStyle, pMatrix, dest_width, anti_alias);
+ if (pGlyphBitmap == NULL) {
+ return NULL;
+ }
+ pSizeCache->m_GlyphMap.SetAt((FX_LPVOID)(FX_UINTPTR)glyph_index, pGlyphBitmap);
+ return pGlyphBitmap;
+}
+const CFX_GlyphBitmap* CFX_FaceCache::LoadGlyphBitmap(CFX_Font* pFont, FX_DWORD glyph_index, FX_BOOL bFontStyle, const CFX_AffineMatrix* 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_)|| defined(_FPDFAPI_MINI_))
+ 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_)|| defined(_FPDFAPI_MINI_))
+ 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);
+ } else {
+ CFX_GlyphBitmap* pGlyphBitmap;
+ CFX_SizeGlyphCache* pSizeCache = NULL;
+ if (m_SizeMap.Lookup(FaceGlyphsKey, (void*&)pSizeCache)) {
+ if (pSizeCache->m_GlyphMap.Lookup((FX_LPVOID)(FX_UINTPTR)glyph_index, (void*&)pGlyphBitmap)) {
+ return pGlyphBitmap;
+ }
+ pGlyphBitmap = RenderGlyph_Nativetext(pFont, glyph_index, pMatrix, dest_width, anti_alias);
+ if (pGlyphBitmap) {
+ pSizeCache->m_GlyphMap.SetAt((FX_LPVOID)(FX_UINTPTR)glyph_index, pGlyphBitmap);
+ return pGlyphBitmap;
+ }
+ } else {
+ pGlyphBitmap = RenderGlyph_Nativetext(pFont, glyph_index, pMatrix, dest_width, anti_alias);
+ if (pGlyphBitmap) {
+ pSizeCache = FX_NEW CFX_SizeGlyphCache;
+ if (pSizeCache == NULL) {
+ return NULL;
+ }
+ m_SizeMap.SetAt(FaceGlyphsKey, pSizeCache);
+ pSizeCache->m_GlyphMap.SetAt((FX_LPVOID)(FX_UINTPTR)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 FaceGlyphsKey(keygen.m_Key, keygen.m_KeyLen);
+ text_flags |= FXTEXT_NO_NATIVETEXT;
+ return LookUpGlyphBitmap(pFont, pMatrix, FaceGlyphsKey, glyph_index, bFontStyle, dest_width, anti_alias);
+ }
+#endif
+}
+CFX_SizeGlyphCache::~CFX_SizeGlyphCache()
+{
+ FX_POSITION pos = m_GlyphMap.GetStartPosition();
+ FX_LPVOID Key;
+ CFX_GlyphBitmap* pGlyphBitmap = NULL;
+ while(pos) {
+ m_GlyphMap.GetNextAssoc(pos, Key, (void*&)pGlyphBitmap);
+ delete pGlyphBitmap;
+ }
+ m_GlyphMap.RemoveAll();
+}
+#if defined(_FPDFAPI_MINI_)
+#define CONTRAST_RAMP_STEP 16
+#else
+#define CONTRAST_RAMP_STEP 1
+#endif
+static const FX_BYTE g_adjust_contrast11[256] = {
+ 0, 0, 2, 3, 4, 5, 6, 8, 9, 10, 11, 13, 14, 15, 17, 18, 19, 21, 22, 24, 25, 26, 28, 29, 31,
+ 32, 33, 35, 36, 38, 39, 40, 42, 43, 45, 46, 48, 49, 51, 52, 54, 55, 56, 58, 59, 61, 62, 64, 65,
+ 67, 68, 70, 71, 72, 74, 75, 77, 78, 80, 81, 83, 84, 86, 87, 89, 90, 91, 93, 94, 96, 97, 99, 100,
+ 101, 103, 104, 106, 107, 109, 110, 111, 113, 114, 116, 117, 118, 120, 121, 123, 124, 125, 127,
+ 128, 130, 131, 132, 134, 135, 136, 138, 139, 140, 142, 143, 144, 146, 147, 148, 149, 151, 152,
+ 153, 155, 156, 157, 158, 160, 161, 162, 163, 165, 166, 167, 168, 169, 171, 172, 173, 174, 175,
+ 177, 178, 179, 180, 181, 182, 183, 185, 186, 187, 188, 189, 190, 191, 192, 193, 194, 195, 196,
+ 197, 198, 199, 200, 201, 202, 203, 204, 205, 206, 207, 208, 209, 210, 211, 212, 213, 214, 215,
+ 215, 216, 217, 218, 219, 220, 221, 221, 222, 223, 224, 224, 225, 226, 227, 227, 228, 229, 230,
+ 230, 231, 232, 232, 233, 234, 234, 235, 236, 236, 237, 237, 238, 239, 239, 240, 240, 241, 241,
+ 242, 242, 243, 243, 244, 244, 245, 245, 246, 246, 246, 247, 247, 248, 248, 248, 249, 249, 249,
+ 250, 250, 250, 251, 251, 251, 251, 252, 252, 252, 252, 253, 253, 253, 253, 253, 253, 254, 254,
+ 254, 254, 254, 254, 254, 254, 254, 254, 254, 254, 254, 255,
+};
+static const FX_BYTE g_adjust_contrast15[256] = {
+ 0, 0, 0, 0, 0, 1, 1, 2, 2, 3, 3, 4, 5, 5, 6, 7, 7, 8, 9, 10, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21,
+ 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 34, 35, 36, 37, 38, 40, 41, 42, 43, 45, 46, 47, 48, 50, 51,
+ 52, 54, 55, 56, 58, 59, 60, 62, 63, 64, 66, 67, 68, 70, 71, 73, 74, 75, 77, 78, 80, 81, 82, 84, 85, 87,
+ 88, 90, 91, 93, 94, 95, 97, 98, 100, 101, 103, 104, 106, 107, 109, 110, 111, 113, 114, 116, 117, 119,
+ 120, 122, 123, 125, 126, 128, 129, 130, 132, 133, 135, 136, 138, 139, 141, 142, 143, 145, 146, 148,
+ 149, 150, 152, 153, 155, 156, 157, 159, 160, 161, 163, 164, 166, 167, 168, 170, 171, 172, 174, 175,
+ 176, 177, 179, 180, 181, 183, 184, 185, 186, 188, 189, 190, 191, 192, 194, 195, 196, 197, 198, 199,
+ 201, 202, 203, 204, 205, 206, 207, 208, 209, 210, 211, 212, 213, 214, 215, 216, 217, 218, 219, 220,
+ 221, 222, 223, 224, 225, 226, 227, 227, 228, 229, 230, 231, 232, 232, 233, 234, 235, 235, 236, 237,
+ 237, 238, 239, 239, 240, 241, 241, 242, 242, 243, 244, 244, 245, 245, 246, 246, 247, 247, 248, 248,
+ 248, 249, 249, 250, 250, 250, 251, 251, 251, 252, 252, 252, 252, 253, 253, 253, 253, 253, 254, 254,
+ 254, 254, 254, 254, 254, 254, 254, 254, 254, 255,
+};
+static void _CalcContrastRamp(FX_LPBYTE ramp, int level)
+{
+ int contrast_min = 0, contrast_max = 255 - level, i;
+ for (i = 0; i < contrast_min; i ++) {
+ ramp[i] = 0;
+ }
+ for (i = contrast_min; i < contrast_max; i ++) {
+ ramp[i] = 255 * (i - contrast_min) / (contrast_max - contrast_min);
+ }
+ for (i = contrast_max; i < 256; i ++) {
+ ramp[i] = 255;
+ }
+}
+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 == NULL) {
+ 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;
+ int error = FXFT_Set_MM_Design_Coordinates(m_Face, 2, coords);
+ error = 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;
+ error = FXFT_Set_MM_Design_Coordinates(m_Face, 2, coords);
+ error = 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) {
+ 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);
+}
+extern const char g_AngleSkew[30] = {
+ 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 FX_BYTE g_WeightPow[100] = {
+ 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,
+};
+extern const FX_BYTE g_WeightPow_11[100] = {
+ 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,
+};
+extern const FX_BYTE g_WeightPow_SHIFTJIS[100] = {
+ 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(FX_LPBYTE pData, int nWid, int nHei, int src_pitch, FX_LPCBYTE gammaTable)
+{
+ int count = nHei * src_pitch;
+ for(int i = 0; i < count; i++) {
+ pData[i] = gammaTable[pData[i]];
+ }
+}
+static void _ContrastAdjust(FX_LPBYTE pDataIn, FX_LPBYTE 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 ++) {
+ FX_LPBYTE 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_memcpy32(pDataOut + row * nDstRowBytes, pDataIn + row * nSrcRowBytes, rowbytes);
+ }
+ return;
+ }
+ rate = 255.f / temp;
+ for (row = 0; row < nHei; row ++) {
+ FX_LPBYTE pSrcRow = pDataIn + row * nSrcRowBytes;
+ FX_LPBYTE 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 ++ = (FX_BYTE)temp;
+ }
+ }
+}
+CFX_GlyphBitmap* CFX_FaceCache::RenderGlyph(CFX_Font* pFont, FX_DWORD glyph_index, FX_BOOL bFontStyle,
+ const CFX_AffineMatrix* pMatrix, int dest_width, int anti_alias)
+{
+ if (m_Face == NULL) {
+ 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 <= -30 ? -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);
+ }
+ }
+ int transflag = FXFT_Get_Face_Internal_Flag(m_Face);
+ FXFT_Set_Transform(m_Face, &ft_matrix, 0);
+ 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) {
+ FXFT_Set_Face_Internal_Flag(m_Face, transflag);
+ 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 >= 100) {
+ FXFT_Set_Face_Internal_Flag(m_Face, transflag);
+ 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()->m_FTLibrary, FT_LCD_FILTER_DEFAULT);
+ error = FXFT_Render_Glyph(m_Face, anti_alias);
+ if (error) {
+ FXFT_Set_Face_Internal_Flag(m_Face, transflag);
+ 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) {
+ FXFT_Set_Face_Internal_Flag(m_Face, transflag);
+ return NULL;
+ }
+ int dib_width = bmwidth;
+ CFX_GlyphBitmap* pGlyphBitmap = FX_NEW CFX_GlyphBitmap;
+ if (!pGlyphBitmap) {
+ return NULL;
+ }
+ 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));
+ FX_BYTE* pDestBuf = pGlyphBitmap->m_Bitmap.GetBuffer();
+ FX_BYTE* pSrcBuf = (FX_BYTE*)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++) {
+ FX_BYTE 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_memset32(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_memcpy32(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());
+ }
+ }
+ FXFT_Set_Face_Internal_Flag(m_Face, transflag);
+ return pGlyphBitmap;
+}
+FX_BOOL _OutputGlyph(void* dib, int x, int y, CFX_Font* pFont,
+ int glyph_index, FX_ARGB argb)
+{
+ CFX_DIBitmap* pDib = (CFX_DIBitmap*)dib;
+ FXFT_Face face = pFont->GetFace();
+ int error = FXFT_Load_Glyph(face, glyph_index, FXFT_LOAD_NO_BITMAP);
+ if (error) {
+ return FALSE;
+ }
+ error = FXFT_Render_Glyph(face, FXFT_RENDER_MODE_NORMAL);
+ if (error) {
+ return FALSE;
+ }
+ int bmwidth = FXFT_Get_Bitmap_Width(FXFT_Get_Glyph_Bitmap(face));
+ int bmheight = FXFT_Get_Bitmap_Rows(FXFT_Get_Glyph_Bitmap(face));
+ int left = FXFT_Get_Glyph_BitmapLeft(face);
+ int top = FXFT_Get_Glyph_BitmapTop(face);
+ FX_LPCBYTE src_buf = (FX_LPCBYTE)FXFT_Get_Bitmap_Buffer(FXFT_Get_Glyph_Bitmap(face));
+ int src_pitch = FXFT_Get_Bitmap_Pitch(FXFT_Get_Glyph_Bitmap(face));
+ CFX_DIBitmap mask;
+ mask.Create(bmwidth, bmheight, FXDIB_8bppMask);
+ FX_LPBYTE dest_buf = mask.GetBuffer();
+ int dest_pitch = mask.GetPitch();
+ for (int row = 0; row < bmheight; row ++) {
+ FX_LPCBYTE src_scan = src_buf + row * src_pitch;
+ FX_LPBYTE dest_scan = dest_buf + row * dest_pitch;
+ FXSYS_memcpy32(dest_scan, src_scan, dest_pitch);
+ }
+ pDib->CompositeMask(x + left, y - top, bmwidth, bmheight, &mask, argb, 0, 0);
+ return TRUE;
+}
+FX_BOOL OutputText(void* dib, int x, int y, CFX_Font* pFont, double font_size,
+ CFX_AffineMatrix* pText_matrix, unsigned short const* text, unsigned long argb)
+{
+ if (!pFont) {
+ return FALSE;
+ }
+ FXFT_Face face = pFont->GetFace();
+ FXFT_Select_Charmap(pFont->m_Face, FXFT_ENCODING_UNICODE);
+ int transflag = FXFT_Get_Face_Internal_Flag(pFont->m_Face);
+ if (pText_matrix) {
+ FXFT_Matrix ft_matrix;
+ ft_matrix.xx = (signed long)(pText_matrix->a / 64 * 65536);
+ ft_matrix.xy = (signed long)(pText_matrix->c / 64 * 65536);
+ ft_matrix.yx = (signed long)(pText_matrix->b / 64 * 65536);
+ ft_matrix.yy = (signed long)(pText_matrix->d / 64 * 65536);
+ FXFT_Set_Transform(face, &ft_matrix, 0);
+ }
+ FX_FLOAT x_pos = 0;
+ for (; *text != 0; text ++) {
+ FX_WCHAR unicode = *text;
+ int glyph_index = FXFT_Get_Char_Index(pFont->m_Face, unicode);
+ if (glyph_index <= 0) {
+ continue;
+ }
+ int err = FXFT_Load_Glyph(pFont->m_Face, glyph_index, FXFT_LOAD_NO_SCALE | FXFT_LOAD_IGNORE_GLOBAL_ADVANCE_WIDTH);
+ if (err) {
+ continue;
+ }
+ int w = FXFT_Get_Glyph_HoriAdvance(pFont->m_Face);
+ int em = FXFT_Get_Face_UnitsPerEM(pFont->m_Face);
+ FX_FLOAT x1, y1;
+ pText_matrix->Transform(x_pos, 0, x1, y1);
+ _OutputGlyph(dib, (int)x1 + x, (int) - y1 + y, pFont,
+ glyph_index, argb);
+ x_pos += (FX_FLOAT)w / em;
+ }
+ FXFT_Set_Face_Internal_Flag(pFont->m_Face, transflag);
+ return TRUE;
+}
+FX_BOOL OutputGlyph(void* dib, int x, int y, CFX_Font* pFont, double font_size,
+ CFX_AffineMatrix* pMatrix, unsigned long glyph_index, unsigned long argb)
+{
+ FXFT_Matrix ft_matrix;
+ if (pMatrix) {
+ ft_matrix.xx = (signed long)(pMatrix->a * font_size / 64 * 65536);
+ ft_matrix.xy = (signed long)(pMatrix->c * font_size / 64 * 65536);
+ ft_matrix.yx = (signed long)(pMatrix->b * font_size / 64 * 65536);
+ ft_matrix.yy = (signed long)(pMatrix->d * font_size / 64 * 65536);
+ } else {
+ ft_matrix.xx = (signed long)(font_size / 64 * 65536);
+ ft_matrix.xy = ft_matrix.yx = 0;
+ ft_matrix.yy = (signed long)(font_size / 64 * 65536);
+ }
+ int transflag = FXFT_Get_Face_Internal_Flag(pFont->m_Face);
+ FXFT_Set_Transform(pFont->m_Face, &ft_matrix, 0);
+ FX_BOOL ret = _OutputGlyph(dib, x, y, pFont,
+ glyph_index, argb);
+ FXFT_Set_Face_Internal_Flag(pFont->m_Face, transflag);
+ return ret;
+}
+const CFX_PathData* CFX_FaceCache::LoadGlyphPath(CFX_Font* pFont, FX_DWORD glyph_index, int dest_width)
+{
+ if (m_Face == NULL || glyph_index == (FX_DWORD) - 1) {
+ return NULL;
+ }
+ CFX_PathData* pGlyphPath = NULL;
+ FX_LPVOID key;
+ if (pFont->GetSubstFont())
+ key = (FX_LPVOID)(FX_UINTPTR)(glyph_index + ((pFont->GetSubstFont()->m_Weight / 16) << 15) +
+ ((pFont->GetSubstFont()->m_ItalicAngle / 2) << 21) + ((dest_width / 16) << 25) +
+ (pFont->IsVertical() << 31));
+ else {
+ key = (FX_LPVOID)(FX_UINTPTR)glyph_index;
+ }
+ if (m_PathMap.Lookup(key, (FX_LPVOID&)pGlyphPath)) {
+ return pGlyphPath;
+ }
+ pGlyphPath = pFont->LoadGlyphPath(glyph_index, dest_width);
+ m_PathMap.SetAt(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 == NULL) {
+ 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 <= -30 ? -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);
+ }
+ }
+ int transflag = FXFT_Get_Face_Internal_Flag(m_Face);
+ FXFT_Set_Transform(m_Face, &ft_matrix, 0);
+ 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) {
+ FXFT_Set_Face_Internal_Flag(m_Face, transflag);
+ return NULL;
+ }
+ if (m_pSubstFont && !(m_pSubstFont->m_SubstFlags & FXFONT_SUBST_MM) && m_pSubstFont->m_Weight > 400) {
+ int level = 0;
+ if (m_pSubstFont->m_Charset == FXFONT_SHIFTJIS_CHARSET) {
+ level = g_WeightPow_SHIFTJIS[(m_pSubstFont->m_Weight - 400) / 10] * 2 * 65536 / 36655;
+ } else {
+ level = g_WeightPow[(m_pSubstFont->m_Weight - 400) / 10] * 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) {
+ FXFT_Set_Face_Internal_Flag(m_Face, transflag);
+ return NULL;
+ }
+ CFX_PathData* pPath = FX_NEW CFX_PathData;
+ if (!pPath) {
+ return NULL;
+ }
+ 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;
+ }
+ FXFT_Set_Face_Internal_Flag(m_Face, transflag);
+ 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);
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-06-01 12:06:45 +0000