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/*
* Copyright 2015 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "GrTextUtils.h"
#include "GrContext.h"
#include "SkGlyphCache.h"
#include "SkGr.h"
#include "SkPaint.h"
#include "SkTextBlobRunIterator.h"
void GrTextUtils::Paint::initFilteredColor() {
GrColor4f filteredColor = SkColorToUnpremulGrColor4f(fPaint->getColor(), *fDstColorSpaceInfo);
if (fPaint->getColorFilter()) {
filteredColor = GrColor4f::FromSkColor4f(
fPaint->getColorFilter()->filterColor4f(filteredColor.toSkColor4f()));
}
fFilteredPremulColor = filteredColor.premul().toGrColor();
}
bool GrTextUtils::RunPaint::modifyForRun(std::function<void(SkPaint*)> paintModFunc) {
if (!fModifiedPaint.isValid()) {
fModifiedPaint.init(fOriginalPaint->skPaint());
fPaint = fModifiedPaint.get();
}
paintModFunc(fModifiedPaint.get());
return true;
}
bool GrTextUtils::PathTextIter::next(const SkGlyph** skGlyph, const SkPath** path, SkScalar* xpos) {
SkASSERT(skGlyph);
SkASSERT(path);
SkASSERT(xpos);
if (fText < fStop) {
const SkGlyph& glyph = fGlyphCacheProc(fCache.get(), &fText, fStop);
fXPos += fPrevAdvance * fScale;
SkASSERT(0 == fXYIndex || 1 == fXYIndex);
fPrevAdvance = SkFloatToScalar((&glyph.fAdvanceX)[fXYIndex]);
if (glyph.fWidth) {
if (SkMask::kARGB32_Format == glyph.fMaskFormat) {
*skGlyph = &glyph;
*path = nullptr;
} else {
*skGlyph = nullptr;
*path = fCache->findPath(glyph);
}
} else {
*skGlyph = nullptr;
*path = nullptr;
}
*xpos = fXPos;
return true;
}
return false;
}
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