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add HACK_COLORGLYPHS (disabled) to test colorglyphs

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git-svn-id: http://skia.googlecode.com/svn/trunk@8972 2bbb7eff-a529-9590-31e7-b0007b416f81
This commit is contained in:
reed@google.com 2013-05-02 20:39:44 +00:00
parent a65a681d43
commit f77b35d86a
1 changed files with 36 additions and 0 deletions
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36
src/ports/SkFontHost_mac.cpp
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@ -43,6 +43,8 @@
#include "SkTypefaceCache.h"
#include "SkFontMgr.h"
//#define HACK_COLORGLYPHS
class SkScalerContext_Mac;
// CTFontManagerCopyAvailableFontFamilyNames() is not always available, so we
@ -1082,6 +1084,9 @@ void SkScalerContext_Mac::generateMetrics(SkGlyph* glyph) {
glyph->fLeft += offset.fX;
glyph->fTop += offset.fY;
}
#ifdef HACK_COLORGLYPHS
glyph->fMaskFormat = SkMask::kARGB32_Format;
#endif
}
#include "SkColorPriv.h"
@ -1197,6 +1202,23 @@ static void rgb_to_lcd32(const CGRGBPixel* SK_RESTRICT cgPixels, size_t cgRowByt
}
}
#ifdef HACK_COLORGLYPHS
// hack to colorize the output for testing kARGB32_Format
static SkPMColor cgpixels_to_pmcolor(CGRGBPixel rgb, const SkGlyph& glyph,
int x, int y) {
U8CPU r = (rgb >> 16) & 0xFF;
U8CPU g = (rgb >> 8) & 0xFF;
U8CPU b = (rgb >> 0) & 0xFF;
unsigned a = SkComputeLuminance(r, g, b);
// compute gradient from x,y
r = x * 255 / glyph.fWidth;
g = 0;
b = (glyph.fHeight - y) * 255 / glyph.fHeight;
return SkPreMultiplyARGB(a, r, g, b); // red
}
#endif
template <typename T> T* SkTAddByteOffset(T* ptr, size_t byteOffset) {
return (T*)((char*)ptr + byteOffset);
}
@ -1277,6 +1299,20 @@ void SkScalerContext_Mac::generateImage(const SkGlyph& glyph) {
dst += dstRB;
}
} break;
#ifdef HACK_COLORGLYPHS
case SkMask::kARGB32_Format: {
const int width = glyph.fWidth;
size_t dstRB = glyph.rowBytes();
SkPMColor* dst = (SkPMColor*)glyph.fImage;
for (int y = 0; y < glyph.fHeight; y++) {
for (int x = 0; x < width; ++x) {
dst[x] = cgpixels_to_pmcolor(cgPixels[x], glyph, x, y);
}
cgPixels = (CGRGBPixel*)((char*)cgPixels + cgRowBytes);
dst = (SkPMColor*)((char*)dst + dstRB);
}
} break;
#endif
default:
SkDEBUGFAIL("unexpected mask format");
break;