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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.
*/
#include "SkImage_Base.h"
#include "SkImagePriv.h"
#include "SkBitmap.h"
#include "SkCanvas.h"
#include "GrContext.h"
#include "GrTexture.h"
#include "SkGrPixelRef.h"
class SkImage_Gpu : public SkImage_Base {
public:
SK_DECLARE_INST_COUNT(SkImage_Gpu)
SkImage_Gpu(GrTexture*);
virtual ~SkImage_Gpu();
virtual void onDraw(SkCanvas*, SkScalar x, SkScalar y, const SkPaint*) SK_OVERRIDE;
virtual GrTexture* onGetTexture() SK_OVERRIDE;
virtual bool getROPixels(SkBitmap*) const SK_OVERRIDE {
// TODO
return false;
}
GrTexture* getTexture() { return fTexture; }
void setTexture(GrTexture* texture);
private:
GrTexture* fTexture;
SkBitmap fBitmap;
typedef SkImage_Base INHERITED;
};
SK_DEFINE_INST_COUNT(SkImage_Gpu)
///////////////////////////////////////////////////////////////////////////////
SkImage_Gpu::SkImage_Gpu(GrTexture* texture)
: INHERITED(texture->width(), texture->height())
, fTexture(texture) {
SkASSERT(NULL != fTexture);
fTexture->ref();
fBitmap.setConfig(SkBitmap::kARGB_8888_Config, fTexture->width(), fTexture->height());
fBitmap.setPixelRef(SkNEW_ARGS(SkGrPixelRef, (fTexture)))->unref();
}
SkImage_Gpu::~SkImage_Gpu() {
SkSafeUnref(fTexture);
}
void SkImage_Gpu::onDraw(SkCanvas* canvas, SkScalar x, SkScalar y,
const SkPaint* paint) {
canvas->drawBitmap(fBitmap, x, y, paint);
}
GrTexture* SkImage_Gpu::onGetTexture() {
return fTexture;
}
void SkImage_Gpu::setTexture(GrTexture* texture) {
if (texture == fTexture) {
return;
}
SkRefCnt_SafeAssign(fTexture, texture);
fBitmap.setPixelRef(new SkGrPixelRef(texture))->unref();
}
///////////////////////////////////////////////////////////////////////////////
SkImage* SkImage::NewTexture(GrTexture* texture) {
if (NULL == texture) {
return NULL;
}
return SkNEW_ARGS(SkImage_Gpu, (texture));
}
GrTexture* SkTextureImageGetTexture(SkImage* image) {
return ((SkImage_Gpu*)image)->getTexture();
}
void SkTextureImageSetTexture(SkImage* image, GrTexture* texture) {
((SkImage_Gpu*)image)->setTexture(texture);
}
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