moz-skia/gm/factory.cpp

75 строки
2.1 KiB
C++

/*
* 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 "gm.h"
#include "SkCanvas.h"
#include "SkData.h"
#include "SkDecodingImageGenerator.h"
#include "SkDiscardableMemoryPool.h"
#include "SkDiscardablePixelRef.h"
#include "SkImageDecoder.h"
#include "SkImageGenerator.h"
#include "SkOSFile.h"
#include "SkStream.h"
namespace skiagm {
/**
* Draw a PNG created by SkBitmapFactory.
*/
class FactoryGM : public GM {
public:
FactoryGM() {}
protected:
virtual void onOnceBeforeDraw() SK_OVERRIDE {
// Copyright-free file from http://openclipart.org/detail/29213/paper-plane-by-ddoo
SkString filename = SkOSPath::SkPathJoin(INHERITED::gResourcePath.c_str(),
"plane.png");
SkAutoDataUnref data(SkData::NewFromFileName(filename.c_str()));
if (NULL != data.get()) {
// Create a cache which will boot the pixels out anytime the
// bitmap is unlocked.
SkAutoTUnref<SkDiscardableMemoryPool> pool(
SkDiscardableMemoryPool::Create(1));
SkAssertResult(SkInstallDiscardablePixelRef(
SkDecodingImageGenerator::Create(
data, SkDecodingImageGenerator::Options()),
&fBitmap, pool));
}
}
virtual SkString onShortName() {
return SkString("factory");
}
virtual SkISize onISize() {
return make_isize(640, 480);
}
virtual void onDraw(SkCanvas* canvas) {
canvas->drawBitmap(fBitmap, 0, 0);
}
// Skip cross process pipe due to https://code.google.com/p/skia/issues/detail?id=1520
virtual uint32_t onGetFlags() const {
return INHERITED::onGetFlags() | kSkipPipeCrossProcess_Flag;
}
private:
SkBitmap fBitmap;
typedef GM INHERITED;
};
//////////////////////////////////////////////////////////////////////////////
static GM* MyFactory(void*) { return new FactoryGM; }
static GMRegistry reg(MyFactory);
} // namespace skiagm