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Lines 38-43
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| 38 |
#include FT_SIZES_H |
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#include FT_SIZES_H |
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#include FT_OUTLINE_H |
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#include FT_OUTLINE_H |
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#include FT_SYNTHESIS_H |
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#include FT_SYNTHESIS_H |
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#include FT_LCD_FILTER_H |
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#include <fontconfig/fontconfig.h> |
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| 42 |
#include "fontscaler.h" |
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#include "fontscaler.h" |
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Lines 665-671
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| 665 |
} |
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} |
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} |
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} |
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typedef struct { |
| 671 |
FT_Render_Mode ftRenderMode; |
| 672 |
int ftLoadFlags; |
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FT_LcdFilter ftLcdFilter; |
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} RenderingProperties; |
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675 |
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676 |
static FcPattern* matchedPattern(const FcChar8* family, double ptSize) { |
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FcPattern* pattern = FcPatternCreate(); |
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if (!pattern) |
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return 0; |
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FcPatternAddString(pattern, FC_FAMILY, family); |
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FcPatternAddBool(pattern, FC_SCALABLE, FcTrue); |
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FcPatternAddDouble(pattern, FC_SIZE, ptSize); |
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FcConfigSubstitute(0, pattern, FcMatchPattern); |
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FcDefaultSubstitute(pattern); |
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FcResult res; |
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FcPattern *match = FcFontMatch(0, pattern, &res); |
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FcPatternDestroy(pattern); |
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return (res == FcResultMatch) ? match : NULL; |
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} |
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static void readFontconfig(const FcChar8* family, double ptSize, jint aaType, RenderingProperties* rp) { |
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FcPattern *pattern = matchedPattern(family, ptSize); |
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FT_Render_Mode ftRenderMode = FT_RENDER_MODE_NORMAL; |
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int ftLoadFlags = FT_LOAD_DEFAULT; |
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FT_LcdFilter ftLcdFilter = FT_LCD_FILTER_DEFAULT; |
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FcBool fcAntialias = 0; |
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char horizontal = 1; |
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|
| 703 |
// subpixel order |
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if (aaType == TEXT_AA_ON) |
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ftRenderMode = FT_RENDER_MODE_NORMAL; |
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else if (aaType == TEXT_AA_OFF) |
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ftRenderMode = FT_RENDER_MODE_MONO; |
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else { |
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int fcRGBA = FC_RGBA_UNKNOWN; |
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if (pattern) |
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FcPatternGetInteger(pattern, FC_RGBA, 0, &fcRGBA); |
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switch (fcRGBA) { |
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case FC_RGBA_NONE: |
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ftRenderMode = FT_RENDER_MODE_NORMAL; |
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break; |
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case FC_RGBA_RGB: |
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case FC_RGBA_BGR: |
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ftRenderMode = FT_RENDER_MODE_LCD; |
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horizontal = 1; |
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break; |
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case FC_RGBA_VRGB: |
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case FC_RGBA_VBGR: |
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ftRenderMode = FT_RENDER_MODE_LCD_V; |
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horizontal = 0; |
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break; |
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default: |
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ftRenderMode = FT_RENDER_MODE_NORMAL; |
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break; |
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} |
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} |
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// loading mode |
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if (aaType == TEXT_AA_OFF) |
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ftLoadFlags |= FT_LOAD_TARGET_MONO; |
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else { |
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int fcHintStyle = FC_HINT_NONE; |
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if (pattern) |
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FcPatternGetInteger(pattern, FC_HINT_STYLE, 0, &fcHintStyle); |
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switch (fcHintStyle) { |
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case FC_HINT_NONE: |
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ftLoadFlags |= FT_LOAD_NO_HINTING; |
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break; |
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case FC_HINT_SLIGHT: |
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ftLoadFlags |= FT_LOAD_TARGET_LIGHT; |
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break; |
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case FC_HINT_MEDIUM: |
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ftLoadFlags |= FT_LOAD_TARGET_NORMAL; |
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break; |
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case FC_HINT_FULL: |
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if (aaType == TEXT_AA_ON) |
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ftLoadFlags |= FT_LOAD_TARGET_NORMAL; |
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else |
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ftLoadFlags |= horizontal ? FT_LOAD_TARGET_LCD : FT_LOAD_TARGET_LCD_V; |
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break; |
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default: |
| 756 |
ftLoadFlags |= FT_LOAD_TARGET_NORMAL; |
| 757 |
break; |
| 758 |
} |
| 759 |
} |
| 760 |
|
| 761 |
// autohinting |
| 762 |
FcBool fcAutohint = 0; |
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if (pattern && FcPatternGetBool(pattern, FC_AUTOHINT, 0, &fcAutohint) == FcResultMatch) |
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if (fcAutohint) |
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ftLoadFlags |= FT_LOAD_FORCE_AUTOHINT; |
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| 767 |
// LCD filter |
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int fcLCDFilter = FC_LCD_DEFAULT; |
| 769 |
if (pattern) |
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FcPatternGetInteger(pattern, FC_LCD_FILTER, 0, &fcLCDFilter); |
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switch (fcLCDFilter) { |
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case FC_LCD_NONE: |
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ftLcdFilter = FT_LCD_FILTER_NONE; |
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break; |
| 775 |
case FC_LCD_DEFAULT: |
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ftLcdFilter = FT_LCD_FILTER_DEFAULT; |
| 777 |
break; |
| 778 |
case FC_LCD_LIGHT: |
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ftLcdFilter = FT_LCD_FILTER_LIGHT; |
| 780 |
break; |
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case FC_LCD_LEGACY: |
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ftLcdFilter = FT_LCD_FILTER_LEGACY; |
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break; |
| 784 |
default: |
| 785 |
ftLcdFilter = FT_LCD_FILTER_DEFAULT; |
| 786 |
break; |
| 787 |
} |
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| 789 |
if (pattern) |
| 790 |
FcPatternDestroy(pattern); |
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| 792 |
rp->ftRenderMode = ftRenderMode; |
| 793 |
rp->ftLoadFlags = ftLoadFlags; |
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rp->ftLcdFilter = ftLcdFilter; |
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} |
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| 669 |
/* |
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/* |
| 670 |
* Class: sun_font_FreetypeFontScaler |
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* Class: sun_font_FreetypeFontScaler |
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* Method: getGlyphImageNative |
799 |
* Method: getGlyphImageNative |
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Lines 698-728
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| 698 |
return ptr_to_jlong(getNullGlyphImage()); |
826 |
return ptr_to_jlong(getNullGlyphImage()); |
| 699 |
} |
827 |
} |
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828 |
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| 701 |
if (!context->useSbits) { |
829 |
RenderingProperties renderingProperties; |
| 702 |
renderFlags |= FT_LOAD_NO_BITMAP; |
830 |
readFontconfig((const FcChar8 *) scalerInfo->face->family_name, |
| 703 |
} |
831 |
context->ptsz, context->aaType, &renderingProperties); |
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| 705 |
/* NB: in case of non identity transform |
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we might also prefer to disable transform before hinting, |
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and apply it explicitly after hinting is performed. |
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Or we can disable hinting. */ |
| 709 |
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/* select appropriate hinting mode */ |
| 711 |
if (context->aaType == TEXT_AA_OFF) { |
| 712 |
target = FT_LOAD_TARGET_MONO; |
| 713 |
} else if (context->aaType == TEXT_AA_ON) { |
| 714 |
target = FT_LOAD_TARGET_NORMAL; |
| 715 |
} else if (context->aaType == TEXT_AA_LCD_HRGB || |
| 716 |
context->aaType == TEXT_AA_LCD_HBGR) { |
| 717 |
target = FT_LOAD_TARGET_LCD; |
| 718 |
} else { |
| 719 |
target = FT_LOAD_TARGET_LCD_V; |
| 720 |
} |
| 721 |
renderFlags |= target; |
| 722 |
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| 723 |
glyph_index = FT_Get_Char_Index(scalerInfo->face, glyphCode); |
833 |
glyph_index = FT_Get_Char_Index(scalerInfo->face, glyphCode); |
| 724 |
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834 |
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error = FT_Load_Glyph(scalerInfo->face, glyphCode, renderFlags); |
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FT_Library_SetLcdFilter(scalerInfo->library, renderingProperties.ftLcdFilter); |
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836 |
error = FT_Load_Glyph(scalerInfo->face, glyphCode, renderingProperties.ftLoadFlags); |
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| 726 |
if (error) { |
838 |
if (error) { |
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//do not destroy scaler yet. |
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//do not destroy scaler yet. |
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//this can be problem of particular context (e.g. with bad transform) |
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//this can be problem of particular context (e.g. with bad transform) |
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Lines 741-749
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| 741 |
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853 |
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| 742 |
/* generate bitmap if it is not done yet |
854 |
/* generate bitmap if it is not done yet |
| 743 |
e.g. if algorithmic styling is performed and style was added to outline */ |
855 |
e.g. if algorithmic styling is performed and style was added to outline */ |
| 744 |
if (ftglyph->format == FT_GLYPH_FORMAT_OUTLINE) { |
856 |
FT_Render_Glyph(ftglyph, renderingProperties.ftRenderMode); |
| 745 |
FT_Render_Glyph(ftglyph, FT_LOAD_TARGET_MODE(target)); |
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| 746 |
} |
| 747 |
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857 |
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| 748 |
width = (UInt16) ftglyph->bitmap.width; |
858 |
width = (UInt16) ftglyph->bitmap.width; |
| 749 |
height = (UInt16) ftglyph->bitmap.rows; |
859 |
height = (UInt16) ftglyph->bitmap.rows; |
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Lines 972-982
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| 972 |
return NULL; |
1082 |
return NULL; |
| 973 |
} |
1083 |
} |
| 974 |
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1084 |
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| 975 |
renderFlags = FT_LOAD_NO_HINTING | FT_LOAD_NO_BITMAP; |
1085 |
RenderingProperties renderingProperties; |
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1086 |
readFontconfig((const FcChar8 *) scalerInfo->face->family_name, |
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context->ptsz, context->aaType, &renderingProperties); |
| 976 |
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1088 |
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| 977 |
glyph_index = FT_Get_Char_Index(scalerInfo->face, glyphCode); |
1089 |
glyph_index = FT_Get_Char_Index(scalerInfo->face, glyphCode); |
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1090 |
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| 979 |
error = FT_Load_Glyph(scalerInfo->face, glyphCode, renderFlags); |
1091 |
error = FT_Load_Glyph(scalerInfo->face, glyphCode, renderingProperties.ftLoadFlags); |
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1092 |
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| 980 |
if (error) { |
1093 |
if (error) { |
| 981 |
return NULL; |
1094 |
return NULL; |
| 982 |
} |
1095 |
} |