Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(288)

Side by Side Diff: src/ports/SkFontHost_mac.cpp

Issue 1837783002: Remove SK_IGNORE_MAC_FONT_WEIGHT_FIX. (Closed) Base URL: https://skia.googlesource.com/skia.git@master
Patch Set: Created 4 years, 8 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View unified diff | Download patch
« no previous file with comments | « no previous file | no next file » | no next file with comments »
Toggle Intra-line Diffs ('i') | Expand Comments ('e') | Collapse Comments ('c') | Show Comments Hide Comments ('s')
OLDNEW
1 1
2 /* 2 /*
3 * Copyright 2006 The Android Open Source Project 3 * Copyright 2006 The Android Open Source Project
4 * 4 *
5 * Use of this source code is governed by a BSD-style license that can be 5 * Use of this source code is governed by a BSD-style license that can be
6 * found in the LICENSE file. 6 * found in the LICENSE file.
7 */ 7 */
8 8
9 #include "SkTypes.h" // Keep this before any #ifdef ... 9 #include "SkTypes.h" // Keep this before any #ifdef ...
10 #if defined(SK_BUILD_FOR_MAC) || defined(SK_BUILD_FOR_IOS) 10 #if defined(SK_BUILD_FOR_MAC) || defined(SK_BUILD_FOR_IOS)
(...skipping 855 matching lines...) Expand 10 before | Expand all | Expand 10 after
866 CGContextSetShouldSubpixelQuantizeFonts(fCG, false); 866 CGContextSetShouldSubpixelQuantizeFonts(fCG, false);
867 867
868 // Because CG always draws from the horizontal baseline, 868 // Because CG always draws from the horizontal baseline,
869 // if there is a non-integral translation from the horizontal origin to the vertical origin, 869 // if there is a non-integral translation from the horizontal origin to the vertical origin,
870 // then CG cannot draw the glyph in the correct location without subpixe l positioning. 870 // then CG cannot draw the glyph in the correct location without subpixe l positioning.
871 CGContextSetAllowsFontSubpixelPositioning(fCG, true); 871 CGContextSetAllowsFontSubpixelPositioning(fCG, true);
872 CGContextSetShouldSubpixelPositionFonts(fCG, true); 872 CGContextSetShouldSubpixelPositionFonts(fCG, true);
873 873
874 CGContextSetTextDrawingMode(fCG, kCGTextFill); 874 CGContextSetTextDrawingMode(fCG, kCGTextFill);
875 875
876 #if SK_IGNORE_MAC_FONT_WEIGHT_FIX
877 // Draw white on black to create mask.
878 // TODO: Draw black on white and invert, CG has a special case codepath.
879 CGContextSetGrayFillColor(fCG, 1.0f, 1.0f);
880 #else
881 // Draw black on white to create mask. (Special path exists to speed thi s up in CG.) 876 // Draw black on white to create mask. (Special path exists to speed thi s up in CG.)
882 CGContextSetGrayFillColor(fCG, 0.0f, 1.0f); 877 CGContextSetGrayFillColor(fCG, 0.0f, 1.0f);
883 #endif
884 878
885 // force our checks below to happen 879 // force our checks below to happen
886 fDoAA = !doAA; 880 fDoAA = !doAA;
887 fDoLCD = !doLCD; 881 fDoLCD = !doLCD;
888 882
889 if (legacy_CTFontDrawGlyphs == ctFontDrawGlyphs) { 883 if (legacy_CTFontDrawGlyphs == ctFontDrawGlyphs) {
890 // CTFontDrawGlyphs will apply the font, font size, and font matrix to the CGContext. 884 // CTFontDrawGlyphs will apply the font, font size, and font matrix to the CGContext.
891 // Our 'fake' one does not, so set up the CGContext here. 885 // Our 'fake' one does not, so set up the CGContext here.
892 CGContextSetFont(fCG, context.fCGFont); 886 CGContextSetFont(fCG, context.fCGFont);
893 CGContextSetFontSize(fCG, CTFontGetSize(context.fCTFont)); 887 CGContextSetFontSize(fCG, CTFontGetSize(context.fCTFont));
894 } 888 }
895 CGContextSetTextMatrix(fCG, context.fTransform); 889 CGContextSetTextMatrix(fCG, context.fTransform);
896 } 890 }
897 891
898 if (fDoAA != doAA) { 892 if (fDoAA != doAA) {
899 CGContextSetShouldAntialias(fCG, doAA); 893 CGContextSetShouldAntialias(fCG, doAA);
900 fDoAA = doAA; 894 fDoAA = doAA;
901 } 895 }
902 if (fDoLCD != doLCD) { 896 if (fDoLCD != doLCD) {
903 CGContextSetShouldSmoothFonts(fCG, doLCD); 897 CGContextSetShouldSmoothFonts(fCG, doLCD);
904 fDoLCD = doLCD; 898 fDoLCD = doLCD;
905 } 899 }
906 900
907 CGRGBPixel* image = (CGRGBPixel*)fImageStorage.get(); 901 CGRGBPixel* image = (CGRGBPixel*)fImageStorage.get();
908 // skip rows based on the glyph's height 902 // skip rows based on the glyph's height
909 image += (fSize.fHeight - glyph.fHeight) * fSize.fWidth; 903 image += (fSize.fHeight - glyph.fHeight) * fSize.fWidth;
910 904
911 #if SK_IGNORE_MAC_FONT_WEIGHT_FIX
912 // erase to black
913 sk_memset_rect32(image, 0, glyph.fWidth, glyph.fHeight, rowBytes);
914 #else
915 // Erase to white (or transparent black if it's a color glyph, to not compos ite against white). 905 // Erase to white (or transparent black if it's a color glyph, to not compos ite against white).
916 uint32_t bgColor = (SkMask::kARGB32_Format != glyph.fMaskFormat) ? 0xFFFFFFF F : 0x00000000; 906 uint32_t bgColor = (SkMask::kARGB32_Format != glyph.fMaskFormat) ? 0xFFFFFFF F : 0x00000000;
917 sk_memset_rect32(image, bgColor, glyph.fWidth, glyph.fHeight, rowBytes); 907 sk_memset_rect32(image, bgColor, glyph.fWidth, glyph.fHeight, rowBytes);
918 #endif
919 908
920 float subX = 0; 909 float subX = 0;
921 float subY = 0; 910 float subY = 0;
922 if (context.fDoSubPosition) { 911 if (context.fDoSubPosition) {
923 subX = SkFixedToFloat(glyph.getSubXFixed()); 912 subX = SkFixedToFloat(glyph.getSubXFixed());
924 subY = SkFixedToFloat(glyph.getSubYFixed()); 913 subY = SkFixedToFloat(glyph.getSubYFixed());
925 } 914 }
926 915
927 // CoreText and CoreGraphics always draw using the horizontal baseline origi n. 916 // CoreText and CoreGraphics always draw using the horizontal baseline origi n.
928 if (context.fVertical) { 917 if (context.fVertical) {
(...skipping 253 matching lines...) Expand 10 before | Expand all | Expand 10 after
1182 build_power_table(gTableCoreGraphicsSmoothing); 1171 build_power_table(gTableCoreGraphicsSmoothing);
1183 gInited = true; 1172 gInited = true;
1184 } 1173 }
1185 return gTableCoreGraphicsSmoothing; 1174 return gTableCoreGraphicsSmoothing;
1186 } 1175 }
1187 1176
1188 static void cgpixels_to_bits(uint8_t dst[], const CGRGBPixel src[], int count) { 1177 static void cgpixels_to_bits(uint8_t dst[], const CGRGBPixel src[], int count) {
1189 while (count > 0) { 1178 while (count > 0) {
1190 uint8_t mask = 0; 1179 uint8_t mask = 0;
1191 for (int i = 7; i >= 0; --i) { 1180 for (int i = 7; i >= 0; --i) {
1192 #if SK_IGNORE_MAC_FONT_WEIGHT_FIX
1193 mask |= (CGRGBPixel_getAlpha(*src++) >> 7) << i;
1194 #else
1195 mask |= ((CGRGBPixel_getAlpha(*src++) >> 7) ^ 0x1) << i; 1181 mask |= ((CGRGBPixel_getAlpha(*src++) >> 7) ^ 0x1) << i;
1196 #endif
1197 if (0 == --count) { 1182 if (0 == --count) {
1198 break; 1183 break;
1199 } 1184 }
1200 } 1185 }
1201 *dst++ = mask; 1186 *dst++ = mask;
1202 } 1187 }
1203 } 1188 }
1204 1189
1205 template<bool APPLY_PREBLEND> 1190 template<bool APPLY_PREBLEND>
1206 static inline uint8_t rgb_to_a8(CGRGBPixel rgb, const uint8_t* table8) { 1191 static inline uint8_t rgb_to_a8(CGRGBPixel rgb, const uint8_t* table8) {
1207 #if SK_IGNORE_MAC_FONT_WEIGHT_FIX
1208 U8CPU r = (rgb >> 16) & 0xFF;
1209 U8CPU g = (rgb >> 8) & 0xFF;
1210 U8CPU b = (rgb >> 0) & 0xFF;
1211 #else
1212 U8CPU r = 0xFF - ((rgb >> 16) & 0xFF); 1192 U8CPU r = 0xFF - ((rgb >> 16) & 0xFF);
1213 U8CPU g = 0xFF - ((rgb >> 8) & 0xFF); 1193 U8CPU g = 0xFF - ((rgb >> 8) & 0xFF);
1214 U8CPU b = 0xFF - ((rgb >> 0) & 0xFF); 1194 U8CPU b = 0xFF - ((rgb >> 0) & 0xFF);
1215 #endif
1216 U8CPU lum = sk_apply_lut_if<APPLY_PREBLEND>(SkComputeLuminance(r, g, b), tab le8); 1195 U8CPU lum = sk_apply_lut_if<APPLY_PREBLEND>(SkComputeLuminance(r, g, b), tab le8);
1217 #if SK_SHOW_TEXT_BLIT_COVERAGE 1196 #if SK_SHOW_TEXT_BLIT_COVERAGE
1218 lum = SkTMax(lum, (U8CPU)0x30); 1197 lum = SkTMax(lum, (U8CPU)0x30);
1219 #endif 1198 #endif
1220 return lum; 1199 return lum;
1221 } 1200 }
1222 template<bool APPLY_PREBLEND> 1201 template<bool APPLY_PREBLEND>
1223 static void rgb_to_a8(const CGRGBPixel* SK_RESTRICT cgPixels, size_t cgRowBytes, 1202 static void rgb_to_a8(const CGRGBPixel* SK_RESTRICT cgPixels, size_t cgRowBytes,
1224 const SkGlyph& glyph, const uint8_t* table8) { 1203 const SkGlyph& glyph, const uint8_t* table8) {
1225 const int width = glyph.fWidth; 1204 const int width = glyph.fWidth;
1226 size_t dstRB = glyph.rowBytes(); 1205 size_t dstRB = glyph.rowBytes();
1227 uint8_t* SK_RESTRICT dst = (uint8_t*)glyph.fImage; 1206 uint8_t* SK_RESTRICT dst = (uint8_t*)glyph.fImage;
1228 1207
1229 for (int y = 0; y < glyph.fHeight; y++) { 1208 for (int y = 0; y < glyph.fHeight; y++) {
1230 for (int i = 0; i < width; ++i) { 1209 for (int i = 0; i < width; ++i) {
1231 dst[i] = rgb_to_a8<APPLY_PREBLEND>(cgPixels[i], table8); 1210 dst[i] = rgb_to_a8<APPLY_PREBLEND>(cgPixels[i], table8);
1232 } 1211 }
1233 cgPixels = (CGRGBPixel*)((char*)cgPixels + cgRowBytes); 1212 cgPixels = (CGRGBPixel*)((char*)cgPixels + cgRowBytes);
1234 dst += dstRB; 1213 dst += dstRB;
1235 } 1214 }
1236 } 1215 }
1237 1216
1238 template<bool APPLY_PREBLEND> 1217 template<bool APPLY_PREBLEND>
1239 static inline uint16_t rgb_to_lcd16(CGRGBPixel rgb, const uint8_t* tableR, 1218 static inline uint16_t rgb_to_lcd16(CGRGBPixel rgb, const uint8_t* tableR,
1240 const uint8_t* tableG, 1219 const uint8_t* tableG,
1241 const uint8_t* tableB) { 1220 const uint8_t* tableB) {
1242 #if SK_IGNORE_MAC_FONT_WEIGHT_FIX
1243 U8CPU r = sk_apply_lut_if<APPLY_PREBLEND>((rgb >> 16) & 0xFF, tableR);
1244 U8CPU g = sk_apply_lut_if<APPLY_PREBLEND>((rgb >> 8) & 0xFF, tableG);
1245 U8CPU b = sk_apply_lut_if<APPLY_PREBLEND>((rgb >> 0) & 0xFF, tableB);
1246 #else
1247 U8CPU r = sk_apply_lut_if<APPLY_PREBLEND>(0xFF - ((rgb >> 16) & 0xFF), table R); 1221 U8CPU r = sk_apply_lut_if<APPLY_PREBLEND>(0xFF - ((rgb >> 16) & 0xFF), table R);
1248 U8CPU g = sk_apply_lut_if<APPLY_PREBLEND>(0xFF - ((rgb >> 8) & 0xFF), table G); 1222 U8CPU g = sk_apply_lut_if<APPLY_PREBLEND>(0xFF - ((rgb >> 8) & 0xFF), table G);
1249 U8CPU b = sk_apply_lut_if<APPLY_PREBLEND>(0xFF - ((rgb >> 0) & 0xFF), table B); 1223 U8CPU b = sk_apply_lut_if<APPLY_PREBLEND>(0xFF - ((rgb >> 0) & 0xFF), table B);
1250 #endif
1251 #if SK_SHOW_TEXT_BLIT_COVERAGE 1224 #if SK_SHOW_TEXT_BLIT_COVERAGE
1252 r = SkTMax(r, (U8CPU)0x30); 1225 r = SkTMax(r, (U8CPU)0x30);
1253 g = SkTMax(g, (U8CPU)0x30); 1226 g = SkTMax(g, (U8CPU)0x30);
1254 b = SkTMax(b, (U8CPU)0x30); 1227 b = SkTMax(b, (U8CPU)0x30);
1255 #endif 1228 #endif
1256 return SkPack888ToRGB16(r, g, b); 1229 return SkPack888ToRGB16(r, g, b);
1257 } 1230 }
1258 template<bool APPLY_PREBLEND> 1231 template<bool APPLY_PREBLEND>
1259 static void rgb_to_lcd16(const CGRGBPixel* SK_RESTRICT cgPixels, size_t cgRowByt es, const SkGlyph& glyph, 1232 static void rgb_to_lcd16(const CGRGBPixel* SK_RESTRICT cgPixels, size_t cgRowByt es, const SkGlyph& glyph,
1260 const uint8_t* tableR, const uint8_t* tableG, const uin t8_t* tableB) { 1233 const uint8_t* tableR, const uint8_t* tableG, const uin t8_t* tableB) {
(...skipping 1391 matching lines...) Expand 10 before | Expand all | Expand 10 after
2652 } 2625 }
2653 return face; 2626 return face;
2654 } 2627 }
2655 }; 2628 };
2656 2629
2657 /////////////////////////////////////////////////////////////////////////////// 2630 ///////////////////////////////////////////////////////////////////////////////
2658 2631
2659 SkFontMgr* SkFontMgr::Factory() { return new SkFontMgr_Mac; } 2632 SkFontMgr* SkFontMgr::Factory() { return new SkFontMgr_Mac; }
2660 2633
2661 #endif//defined(SK_BUILD_FOR_MAC) || defined(SK_BUILD_FOR_IOS) 2634 #endif//defined(SK_BUILD_FOR_MAC) || defined(SK_BUILD_FOR_IOS)
OLDNEW
« no previous file with comments | « no previous file | no next file » | no next file with comments »

Powered by Google App Engine
This is Rietveld 408576698