blob: 78e979b598ab5978483c8f05b2414c6703cab730 [file] [log] [blame]
/*
* Copyright 2011 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "gm/gm.h"
#include "include/core/SkBitmap.h"
#include "include/core/SkCanvas.h"
#include "include/core/SkData.h"
#include "include/core/SkFont.h"
#include "include/core/SkImage.h"
#include "include/core/SkPaint.h"
#include "include/core/SkRefCnt.h"
#include "include/core/SkSize.h"
#include "include/core/SkStream.h"
#include "include/core/SkString.h"
#include "include/encode/SkJpegEncoder.h"
#include "include/encode/SkPngEncoder.h"
#include "tools/Resources.h"
namespace skiagm {
class EncodeGM : public GM {
public:
EncodeGM() {}
protected:
SkString onShortName() override {
return SkString("encode");
}
SkISize onISize() override {
return SkISize::Make(1024, 600);
}
void onDraw(SkCanvas* canvas) override {
SkBitmap orig;
GetResourceAsBitmap("images/mandrill_512_q075.jpg", &orig);
SkDynamicMemoryWStream stream;
SkASSERT_RELEASE(SkPngEncoder::Encode(&stream, orig.pixmap(), {}));
sk_sp<SkData> pngData = stream.detachAsData();
stream.reset();
SkASSERT_RELEASE(SkJpegEncoder::Encode(&stream, orig.pixmap(), {}));
sk_sp<SkData> jpgData = stream.detachAsData();
sk_sp<SkImage> pngImage = SkImages::DeferredFromEncodedData(pngData);
sk_sp<SkImage> jpgImage = SkImages::DeferredFromEncodedData(jpgData);
canvas->drawImage(pngImage.get(), 0.0f, 0.0f);
canvas->drawImage(jpgImage.get(), 512.0f, 0.0f);
SkFont font;
font.setEdging(SkFont::Edging::kAlias);
canvas->drawString("Images should look identical.", 450.0f, 550.0f, font, SkPaint());
}
private:
using INHERITED = GM;
};
DEF_GM( return new EncodeGM; )
} // namespace skiagm
///////////
#if 0
DEF_SIMPLE_GM(jpeg_orientation, canvas, 1000, 1000) {
static sk_sp<SkImage> imgs[8];
if (!imgs[0]) {
for (int i = 0; i < 8; ++i) {
SkString path;
path.printf("/skia/orientation/Landscape_%d.jpg", i + 1);
auto stream = SkStream::MakeFromFile(path.c_str());
auto data = SkData::MakeFromStream(stream.get(), stream->getLength());
imgs[i] = SkImages::DeferredFromEncodedData(data, nullptr);
}
}
canvas->scale(0.25, 0.25);
for (int i = 0; i < 8; ++i) {
SkImage* img = imgs[i].get();
canvas->drawImage(img, 0, 0, nullptr);
canvas->translate(0, img->height());
if (i == 3) {
canvas->translate(img->width(), -4*img->height());
}
}
}
#endif