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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 "gm.h"
#include "SkBitmapFactory.h"
#include "SkCanvas.h"
#include "SkData.h"
#include "SkImageDecoder.h"
#include "SkLruImageCache.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");
SkAutoTUnref<SkStream> stream(SkStream::NewFromFile(filename.c_str()));
if (NULL != stream.get()) {
stream->rewind();
size_t length = stream->getLength();
void* buffer = sk_malloc_throw(length);
stream->read(buffer, length);
SkAutoDataUnref data(SkData::NewFromMalloc(buffer, length));
SkBitmapFactory factory(&SkImageDecoder::DecodeMemoryToTarget);
// Create a cache which will boot the pixels out anytime the
// bitmap is unlocked.
SkAutoTUnref<SkLruImageCache> cache(SkNEW_ARGS(SkLruImageCache, (1)));
factory.setImageCache(cache);
factory.installPixelRef(data, &fBitmap);
}
}
virtual SkString onShortName() {
return SkString("factory");
}
virtual SkISize onISize() {
return make_isize(640, 480);
}
virtual void onDraw(SkCanvas* canvas) {
canvas->drawBitmap(fBitmap, 0, 0);
}
private:
SkBitmap fBitmap;
typedef GM INHERITED;
};
//////////////////////////////////////////////////////////////////////////////
static GM* MyFactory(void*) { return new FactoryGM; }
static GMRegistry reg(MyFactory);
}
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