2014-02-13 17:14:46 +00:00
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/*
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* Copyright 2011 Google Inc.
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include "gm.h"
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#include "SkCanvas.h"
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#include "SkPath.h"
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#include "SkSurface.h"
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#include "SkPicture.h"
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static void draw_content(SkCanvas* canvas) {
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SkImageInfo info = canvas->imageInfo();
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SkPaint paint;
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paint.setAntiAlias(true);
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canvas->drawCircle(SkScalarHalf(info.width()), SkScalarHalf(info.height()),
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SkScalarHalf(info.width()), paint);
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}
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class PeekPixelsGM : public skiagm::GM {
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public:
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PeekPixelsGM() {}
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protected:
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virtual SkString onShortName() SK_OVERRIDE {
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return SkString("peekpixels");
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}
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virtual SkISize onISize() SK_OVERRIDE {
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2014-04-14 15:02:19 +00:00
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return SkISize::Make(360, 120);
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2014-02-13 17:14:46 +00:00
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}
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virtual void onDraw(SkCanvas* canvas) SK_OVERRIDE {
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SkImageInfo info = SkImageInfo::MakeN32Premul(100, 100);
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SkAutoTUnref<SkSurface> surface(canvas->newSurface(info));
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if (surface.get()) {
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SkCanvas* surfCanvas = surface->getCanvas();
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2014-02-14 03:02:05 +00:00
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2014-02-13 17:14:46 +00:00
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draw_content(surfCanvas);
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SkBitmap bitmap;
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2014-02-14 03:02:05 +00:00
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2014-02-13 17:14:46 +00:00
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// test peekPixels
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{
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SkImageInfo info;
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size_t rowBytes;
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const void* addr = surfCanvas->peekPixels(&info, &rowBytes);
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if (addr && bitmap.installPixels(info, const_cast<void*>(addr),
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rowBytes, NULL, NULL)) {
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canvas->drawBitmap(bitmap, 0, 0, NULL);
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}
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}
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2014-02-14 03:02:05 +00:00
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2014-02-13 17:14:46 +00:00
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// test ROCanvasPixels
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canvas->translate(120, 0);
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SkAutoROCanvasPixels ropixels(surfCanvas);
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if (ropixels.asROBitmap(&bitmap)) {
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canvas->drawBitmap(bitmap, 0, 0, NULL);
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}
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2014-02-14 03:02:05 +00:00
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2014-02-13 17:14:46 +00:00
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// test Surface
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canvas->translate(120, 0);
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surface->draw(canvas, 0, 0, NULL);
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}
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}
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virtual uint32_t onGetFlags() const {
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// we explicitly test peekPixels and readPixels, neither of which
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// return something for a picture-backed canvas, so we skip that test.
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return kSkipPicture_Flag;
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}
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private:
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typedef skiagm::GM INHERITED;
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};
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DEF_GM( return SkNEW(PeekPixelsGM); )
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