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/*
* Copyright 2012 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef SkTextToPathIter_DEFINED
#define SkTextToPathIter_DEFINED
#include "SkAutoKern.h"
#include "SkPaint.h"
class SkGlyphCache;
class SkTextToPathIter {
public:
SkTextToPathIter(const char text[], size_t length, const SkPaint& paint,
bool applyStrokeAndPathEffects);
~SkTextToPathIter();
const SkPaint& getPaint() const { return fPaint; }
SkScalar getPathScale() const { return fScale; }
struct Rec {
const SkPath* fPath; // may be null for "whitespace" glyphs
SkScalar fXPos;
};
/**
* Returns false when all of the text has been consumed
*/
bool next(const SkPath** path, SkScalar* xpos);
private:
SkGlyphCache* fCache;
SkPaint fPaint;
SkScalar fScale;
SkFixed fPrevAdvance;
const char* fText;
const char* fStop;
SkMeasureCacheProc fGlyphCacheProc;
const SkPath* fPath; // returned in next
SkScalar fXPos; // accumulated xpos, returned in next
SkAutoKern fAutoKern;
int fXYIndex; // cache for horizontal -vs- vertical text
};
#endif
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