SkScalerContext::SkScalerContext(SkTypeface* typeface, const SkDescriptor* desc)
: fRec(*static_cast<const Rec*>(desc->findEntry(kRec_SkDescriptorTag, nullptr)))
, fTypeface(SkRef(typeface))
, fPathEffect(static_cast<SkPathEffect*>(load_flattenable(desc, kPathEffect_SkDescriptorTag,
SkFlattenable::kSkPathEffect_Type)))
, fMaskFilter(static_cast<SkMaskFilter*>(load_flattenable(desc, kMaskFilter_SkDescriptorTag,
SkFlattenable::kSkMaskFilter_Type)))
, fRasterizer(static_cast<SkRasterizer*>(load_flattenable(desc, kRasterizer_SkDescriptorTag,
SkFlattenable::kSkRasterizer_Type)))
// Initialize based on our settings. Subclasses can also force this.
, fGenerateImageFromPath(fRec.fFrameWidth > 0 || fPathEffect != nullptr || fRasterizer != nullptr)
, fPreBlend(fMaskFilter ? SkMaskGamma::PreBlend() : SkScalerContext::GetMaskPreBlend(fRec))
, fPreBlendForFilter(fMaskFilter ? SkScalerContext::GetMaskPreBlend(fRec)
: SkMaskGamma::PreBlend())
{
#ifdef DUMP_REC
desc->assertChecksum();
SkDebugf("SkScalerContext checksum %x count %d length %d\n",
desc->getChecksum(), desc->getCount(), desc->getLength());
SkDebugf(" textsize %g prescale %g preskew %g post [%g %g %g %g]\n",
rec->fTextSize, rec->fPreScaleX, rec->fPreSkewX, rec->fPost2x2[0][0],
rec->fPost2x2[0][1], rec->fPost2x2[1][0], rec->fPost2x2[1][1]);
SkDebugf(" frame %g miter %g hints %d framefill %d format %d join %d cap %d\n",
rec->fFrameWidth, rec->fMiterLimit, rec->fHints, rec->fFrameAndFill,
rec->fMaskFormat, rec->fStrokeJoin, rec->fStrokeCap);
SkDebugf(" pathEffect %x maskFilter %x\n",
desc->findEntry(kPathEffect_SkDescriptorTag, nullptr),
desc->findEntry(kMaskFilter_SkDescriptorTag, nullptr));
#endif
}
SkScalerContext::SkScalerContext(const SkDescriptor* desc)
: fPathEffect(NULL), fMaskFilter(NULL)
{
fBaseGlyphCount = 0;
fNextContext = NULL;
const Rec* rec = (const Rec*)desc->findEntry(kRec_SkDescriptorTag, NULL);
SkASSERT(rec);
fRec = *rec;
#ifdef DUMP_REC
desc->assertChecksum();
SkDebugf("SkScalarContext checksum %x count %d length %d\n",
desc->getChecksum(), desc->getCount(), desc->getLength());
SkDebugf(" textsize %g prescale %g preskew %g post [%g %g %g %g]\n",
rec->fTextSize, rec->fPreScaleX, rec->fPreSkewX, rec->fPost2x2[0][0],
rec->fPost2x2[0][1], rec->fPost2x2[1][0], rec->fPost2x2[1][1]);
SkDebugf(" frame %g miter %g hints %d framefill %d format %d join %d\n",
rec->fFrameWidth, rec->fMiterLimit, rec->fHints, rec->fFrameAndFill,
rec->fMaskFormat, rec->fStrokeJoin);
SkDebugf(" pathEffect %x maskFilter %x\n",
desc->findEntry(kPathEffect_SkDescriptorTag, NULL),
desc->findEntry(kMaskFilter_SkDescriptorTag, NULL));
#endif
fPathEffect = (SkPathEffect*)load_flattenable(desc, kPathEffect_SkDescriptorTag);
fMaskFilter = (SkMaskFilter*)load_flattenable(desc, kMaskFilter_SkDescriptorTag);
fRasterizer = (SkRasterizer*)load_flattenable(desc, kRasterizer_SkDescriptorTag);
// initialize based on our settings. subclasses can also force this
fGenerateImageFromPath = fRec.fFrameWidth > 0 || fPathEffect != NULL ||
fRasterizer != NULL;
}
SkScalerContext::SkScalerContext(SkTypeface* typeface, const SkDescriptor* desc)
: fRec(*static_cast<const Rec*>(desc->findEntry(kRec_SkDescriptorTag, NULL)))
, fBaseGlyphCount(0)
, fTypeface(SkRef(typeface))
, fPathEffect(static_cast<SkPathEffect*>(load_flattenable(desc, kPathEffect_SkDescriptorTag,
SkFlattenable::kSkPathEffect_Type)))
, fMaskFilter(static_cast<SkMaskFilter*>(load_flattenable(desc, kMaskFilter_SkDescriptorTag,
SkFlattenable::kSkMaskFilter_Type)))
, fRasterizer(static_cast<SkRasterizer*>(load_flattenable(desc, kRasterizer_SkDescriptorTag,
SkFlattenable::kSkRasterizer_Type)))
// Initialize based on our settings. Subclasses can also force this.
, fGenerateImageFromPath(fRec.fFrameWidth > 0 || fPathEffect != NULL || fRasterizer != NULL)
, fNextContext(NULL)
, fPreBlend(fMaskFilter ? SkMaskGamma::PreBlend() : SkScalerContext::GetMaskPreBlend(fRec))
, fPreBlendForFilter(fMaskFilter ? SkScalerContext::GetMaskPreBlend(fRec)
: SkMaskGamma::PreBlend())
{
#ifdef DUMP_REC
desc->assertChecksum();
SkDebugf("SkScalarContext checksum %x count %d length %d\n",
desc->getChecksum(), desc->getCount(), desc->getLength());
SkDebugf(" textsize %g prescale %g preskew %g post [%g %g %g %g]\n",
rec->fTextSize, rec->fPreScaleX, rec->fPreSkewX, rec->fPost2x2[0][0],
rec->fPost2x2[0][1], rec->fPost2x2[1][0], rec->fPost2x2[1][1]);
SkDebugf(" frame %g miter %g hints %d framefill %d format %d join %d\n",
rec->fFrameWidth, rec->fMiterLimit, rec->fHints, rec->fFrameAndFill,
rec->fMaskFormat, rec->fStrokeJoin);
SkDebugf(" pathEffect %x maskFilter %x\n",
desc->findEntry(kPathEffect_SkDescriptorTag, NULL),
desc->findEntry(kMaskFilter_SkDescriptorTag, NULL));
#endif
#ifdef SK_BUILD_FOR_ANDROID
uint32_t len;
const void* data = desc->findEntry(kAndroidOpts_SkDescriptorTag, &len);
if (data) {
SkOrderedReadBuffer buffer(data, len);
fPaintOptionsAndroid.unflatten(buffer);
SkASSERT(buffer.offset() == buffer.size());
}
#endif
}
SkScalerContext::SkScalerContext(const SkDescriptor* desc)
: fPathEffect(NULL), fMaskFilter(NULL)
{
static bool gHaveGammaTables;
if (!gHaveGammaTables) {
const uint8_t* tables[2];
SkFontHost::GetGammaTables(tables);
gBlackGammaTable = tables[0];
gWhiteGammaTable = tables[1];
gHaveGammaTables = true;
}
fBaseGlyphCount = 0;
fNextContext = NULL;
const Rec* rec = (const Rec*)desc->findEntry(kRec_SkDescriptorTag, NULL);
SkASSERT(rec);
fRec = *rec;
#ifdef DUMP_REC
desc->assertChecksum();
SkDebugf("SkScalarContext checksum %x count %d length %d\n",
desc->getChecksum(), desc->getCount(), desc->getLength());
SkDebugf(" textsize %g prescale %g preskew %g post [%g %g %g %g]\n",
rec->fTextSize, rec->fPreScaleX, rec->fPreSkewX, rec->fPost2x2[0][0],
rec->fPost2x2[0][1], rec->fPost2x2[1][0], rec->fPost2x2[1][1]);
SkDebugf(" frame %g miter %g hints %d framefill %d format %d join %d\n",
rec->fFrameWidth, rec->fMiterLimit, rec->fHints, rec->fFrameAndFill,
rec->fMaskFormat, rec->fStrokeJoin);
SkDebugf(" pathEffect %x maskFilter %x\n",
desc->findEntry(kPathEffect_SkDescriptorTag, NULL),
desc->findEntry(kMaskFilter_SkDescriptorTag, NULL));
#endif
fPathEffect = (SkPathEffect*)load_flattenable(desc, kPathEffect_SkDescriptorTag);
fMaskFilter = (SkMaskFilter*)load_flattenable(desc, kMaskFilter_SkDescriptorTag);
fRasterizer = (SkRasterizer*)load_flattenable(desc, kRasterizer_SkDescriptorTag);
}
