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nixpkgs/pkgs/development/compilers/openjdk/005_enable-infinality.patch

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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 <fontconfig/fontconfig.h>
+#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 =
@@ -709,6 +859,11 @@ 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 algorithmic styling is required then we do not request bitmap */
if (context->doBold || context->doItalize) {
renderFlags = FT_LOAD_DEFAULT;
@@ -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;
}
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