This patch was downloaded from https://aur.archlinux.org/cgit/aur.git/tree/?h=java8-openjdk More info can be found at http://www.infinality.net/forum/viewtopic.php?f=2&t=275 diff -ur a/jdk/src/share/native/sun/font/freetypeScaler.c b/jdk/src/share/native/sun/font/freetypeScaler.c --- a/jdk/src/share/native/sun/font/freetypeScaler.c 2014-09-14 16:28:06.108295959 +0200 +++ b/jdk/src/share/native/sun/font/freetypeScaler.c 2014-09-14 16:28:45.569693174 +0200 @@ -23,6 +23,9 @@ * questions. */ +/* Use Infinality patches as default */ +#define INFINALITY + #include "jni.h" #include "jni_util.h" #include "jlong.h" @@ -38,6 +41,10 @@ #include FT_SIZES_H #include FT_OUTLINE_H #include FT_SYNTHESIS_H +#ifdef INFINALITY +#include FT_LCD_FILTER_H +#include +#endif #include "fontscaler.h" @@ -676,6 +683,147 @@ static void CopyFTSubpixelVToSubpixel(co } } +#ifdef INFINALITY +typedef struct { + FT_Render_Mode ftRenderMode; + int ftLoadFlags; + FT_LcdFilter ftLcdFilter; +} RenderingProperties; + +static FcPattern* matchedPattern(const FcChar8* family, double ptSize) { + /* + we will create pattern to find our family and size in + fontconfig configuration, and then will return it's + properties: + */ + FcPattern* fcPattern = 0; + fcPattern = FcPatternCreate(); + FcValue fcValue; + fcValue.type = FcTypeString; + fcValue.u.s = family; + FcPatternAdd(fcPattern, FC_FAMILY, fcValue, FcTrue); + FcPatternAddBool(fcPattern, FC_SCALABLE, FcTrue); + FcPatternAddDouble(fcPattern, FC_SIZE, ptSize); + // TODO FcPatternAddInteger(pattern, FC_WEIGHT, weight_value); + // TODO FcPatternAddInteger(pattern, FC_SLANT, slant_value); + // TODO FcPatternAddDouble(pattern, FC_PIXEL_SIZE, size_value); + // TODO FcPatternAddInteger(pattern, FC_WIDTH, stretch); 100 in most cases + FcConfigSubstitute(0, fcPattern, FcMatchPattern); + FcConfigSubstitute(0, fcPattern, FcMatchFont); + FcDefaultSubstitute(fcPattern); + FcResult res; + + FcPattern *pattern = 0; + pattern = FcFontMatch(0, fcPattern, &res); + FcPatternDestroy(fcPattern); + return pattern; +} + +static void readFontconfig(const FcChar8* family, double ptSize, jint aaType, RenderingProperties* rp) { + + FcPattern *pattern = matchedPattern(family, ptSize); + + int ftLoadFalgs = FT_LOAD_DEFAULT; + FT_Render_Mode ftRenderMode; + FT_LcdFilter ftLcdFilter; + char horizontal = 1; + FcBool b; + + // subpixel order: + if (aaType == TEXT_AA_ON) + ftRenderMode = FT_RENDER_MODE_NORMAL; + else if (aaType == TEXT_AA_OFF) + ftRenderMode = FT_RENDER_MODE_MONO; + else if (FcPatternGetBool(pattern, FC_ANTIALIAS, 0, &b) == FcResultMatch) + if (b) { + int subpixel = FC_RGBA_UNKNOWN; + FcPatternGetInteger(pattern, FC_RGBA, 0, &subpixel); + if (subpixel == FC_RGBA_UNKNOWN) + subpixel = FC_RGBA_NONE; + switch (subpixel) { + case FC_RGBA_NONE: + ftRenderMode = FT_RENDER_MODE_NORMAL; + break; + case FC_RGBA_RGB: + case FC_RGBA_BGR: + ftRenderMode = FT_RENDER_MODE_LCD; + horizontal = 1; + break; + case FC_RGBA_VRGB: + case FC_RGBA_VBGR: + ftRenderMode = FT_RENDER_MODE_LCD_V; + horizontal = 0; + break; + default: + break; + } + } else { + ftRenderMode = FT_RENDER_MODE_NORMAL; + } + + // loading mode: + if (aaType == TEXT_AA_OFF) + ftLoadFalgs |= FT_LOAD_TARGET_MONO; + else { + int hint_style = FC_HINT_NONE; + FcPatternGetInteger(pattern, FC_HINT_STYLE, 0, &hint_style); + switch (hint_style) { + case FC_HINT_NONE: + ftLoadFalgs |= FT_LOAD_NO_HINTING; + break; + case FC_HINT_SLIGHT: + ftLoadFalgs |= FT_LOAD_TARGET_LIGHT; + break; + case FC_HINT_MEDIUM: + ftLoadFalgs |= FT_LOAD_TARGET_NORMAL; + break; + case FC_HINT_FULL: + if (aaType == TEXT_AA_ON) + ftLoadFalgs |= FT_LOAD_TARGET_NORMAL; + else + ftLoadFalgs |= horizontal ? FT_LOAD_TARGET_LCD : FT_LOAD_TARGET_LCD_V; + break; + default: + // what else to use as default? + ftLoadFalgs |= FT_LOAD_TARGET_NORMAL; + break; + } + } + + // autohinting: + if (FcPatternGetBool(pattern, FC_AUTOHINT, 0, &b) == FcResultMatch) + if (b) + ftLoadFalgs |= FT_LOAD_FORCE_AUTOHINT; + + // LCD filter: + int filter = FC_LCD_DEFAULT; + FcPatternGetInteger(pattern, FC_LCD_FILTER, 0, &filter); + switch (filter) { + case FC_LCD_NONE: + ftLcdFilter = FT_LCD_FILTER_NONE; + break; + case FC_LCD_DEFAULT: + ftLcdFilter = FT_LCD_FILTER_DEFAULT; + break; + case FC_LCD_LIGHT: + ftLcdFilter = FT_LCD_FILTER_LIGHT; + break; + case FC_LCD_LEGACY: + ftLcdFilter = FT_LCD_FILTER_LEGACY; + break; + default: + // new unknown lcd filter type?! will use default one: + ftLcdFilter = FT_LCD_FILTER_DEFAULT; + break; + } + + FcPatternDestroy(pattern); + + rp->ftRenderMode = ftRenderMode; + rp->ftLoadFlags = ftLoadFalgs; + rp->ftLcdFilter = ftLcdFilter; +} +#endif /* * Class: sun_font_FreetypeFontScaler @@ -691,7 +839,9 @@ Java_sun_font_FreetypeFontScaler_getGlyp UInt16 width, height; GlyphInfo *glyphInfo; int glyph_index; +#ifndef INFINALITY int renderFlags = FT_LOAD_RENDER, target; +#endif FT_GlyphSlot ftglyph; FTScalerContext* context = @@ -709,5 +859,10 @@ Java_sun_font_FreetypeFontScaler_getGlyp return ptr_to_jlong(getNullGlyphImage()); } +#ifdef INFINALITY + RenderingProperties renderingProperties; + readFontconfig((const FcChar8 *) scalerInfo->face->family_name, + context->ptsz, context->aaType, &renderingProperties); +#else if (!context->useSbits) { renderFlags |= FT_LOAD_NO_BITMAP; @@ -731,10 +886,17 @@ Java_sun_font_FreetypeFontScaler_getGlyp target = FT_LOAD_TARGET_LCD_V; } renderFlags |= target; +#endif glyph_index = FT_Get_Char_Index(scalerInfo->face, glyphCode); +#ifdef INFINALITY + FT_Library_SetLcdFilter(scalerInfo->library, renderingProperties.ftLcdFilter); + error = FT_Load_Glyph(scalerInfo->face, glyphCode, renderingProperties.ftLoadFlags); +#else error = FT_Load_Glyph(scalerInfo->face, glyphCode, renderFlags); +#endif + if (error) { //do not destroy scaler yet. //this can be problem of particular context (e.g. with bad transform) @@ -753,9 +915,13 @@ Java_sun_font_FreetypeFontScaler_getGlyp /* generate bitmap if it is not done yet e.g. if algorithmic styling is performed and style was added to outline */ +#ifdef INFINALITY + FT_Render_Glyph(ftglyph, renderingProperties.ftRenderMode); +#else if (ftglyph->format == FT_GLYPH_FORMAT_OUTLINE) { FT_Render_Glyph(ftglyph, FT_LOAD_TARGET_MODE(target)); } +#endif width = (UInt16) ftglyph->bitmap.width; height = (UInt16) ftglyph->bitmap.rows; @@ -969,7 +1135,9 @@ Java_sun_font_FreetypeFontScaler_getGlyp static FT_Outline* getFTOutline(JNIEnv* env, jobject font2D, FTScalerContext *context, FTScalerInfo* scalerInfo, jint glyphCode, jfloat xpos, jfloat ypos) { +#ifndef INFINALITY int renderFlags; +#endif int glyph_index; FT_Error error; FT_GlyphSlot ftglyph; @@ -984,11 +1152,22 @@ static FT_Outline* getFTOutline(JNIEnv* return NULL; } +#ifdef INFINALITY + RenderingProperties renderingProperties; + readFontconfig((const FcChar8 *) scalerInfo->face->family_name, + context->ptsz, context->aaType, &renderingProperties); +#else renderFlags = FT_LOAD_NO_HINTING | FT_LOAD_NO_BITMAP; +#endif glyph_index = FT_Get_Char_Index(scalerInfo->face, glyphCode); +#ifdef INFINALITY + error = FT_Load_Glyph(scalerInfo->face, glyphCode, renderingProperties.ftLoadFlags); +#else error = FT_Load_Glyph(scalerInfo->face, glyphCode, renderFlags); +#endif + if (error) { return NULL; }