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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 GrPath_DEFINED
#define GrPath_DEFINED
#include "GrGpuResource.h"
#include "GrStrokeInfo.h"
#include "GrPathRendering.h"
#include "SkPath.h"
#include "SkRect.h"
class GrPath : public GrGpuResource {
public:
/**
* Initialize to a path with a fixed stroke. Stroke must not be hairline.
*/
GrPath(GrGpu* gpu, const SkPath& skPath, const GrStrokeInfo& stroke)
: INHERITED(gpu)
, fBounds(SkRect::MakeEmpty())
, fFillType(GrPathRendering::kWinding_FillType)
#ifdef SK_DEBUG
, fSkPath(skPath)
, fStroke(stroke)
#endif
{
}
static void ComputeKey(const SkPath& path, const GrStrokeInfo& stroke, GrUniqueKey* key,
bool* outIsVolatile);
const SkRect& getBounds() const { return fBounds; }
GrPathRendering::FillType getFillType() const { return fFillType; }
/**
* Returns true if a path can be drawn in the same draw paths operation as the other
* path. Should return true only when the condition holds transitively with all other paths in
* the same group.
* E.g.
* canCombineDrawPathBatchWith(a) AND canCombineDrawPathBatchWith(b)
* canCombineDrawPathBatchWith(a) AND canCombineDrawPathBatchWith(c)
* implies
* canCombineDrawPathBatchWith(b) AND canCombineDrawPathBatchWith(c)
*/
virtual bool canCombineDrawPathBatchWith(const GrPath& other) const = 0;
#ifdef SK_DEBUG
bool isEqualTo(const SkPath& path, const GrStrokeInfo& stroke) const;
#endif
protected:
// Subclass should init these.
SkRect fBounds;
GrPathRendering::FillType fFillType;
#ifdef SK_DEBUG
SkPath fSkPath;
GrStrokeInfo fStroke;
#endif
private:
typedef GrGpuResource INHERITED;
};
#endif
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