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/*
* Copyright 2014 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef GrPathRange_DEFINED
#define GrPathRange_DEFINED
#include "GrGpuResource.h"
#include "GrResourceCache.h"
#include "SkStrokeRec.h"
class SkPath;
/**
* Represents a contiguous range of GPU path objects with a common stroke. The
* path range is immutable with the exception that individual paths can be
* initialized lazily. Unititialized paths are silently ignored by drawing
* functions.
*/
class GrPathRange : public GrGpuResource {
public:
SK_DECLARE_INST_COUNT(GrPathRange);
static const bool kIsWrapped = false;
static GrResourceKey::ResourceType resourceType() {
static const GrResourceKey::ResourceType type = GrResourceKey::GenerateResourceType();
return type;
}
/**
* Initialize to a range with a fixed size and stroke. Stroke must not be hairline.
*/
GrPathRange(GrGpu* gpu, size_t size, const SkStrokeRec& stroke)
: INHERITED(gpu, kIsWrapped),
fSize(size),
fStroke(stroke) {
this->registerWithCache();
}
size_t getSize() const { return fSize; }
const SkStrokeRec& getStroke() const { return fStroke; }
/**
* Initialize a path in the range. It is invalid to call this method for a
* path that has already been initialized.
*/
virtual void initAt(size_t index, const SkPath&) = 0;
protected:
size_t fSize;
SkStrokeRec fStroke;
private:
typedef GrGpuResource INHERITED;
};
#endif
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