1/*
2 * Copyright 2011 Google Inc.
3 *
4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file.
6 */
7#include "gm.h"
8#include "sk_tool_utils.h"
9#include "SkCanvas.h"
10#include "SkData.h"
11#include "SkImage.h"
12#include "SkImageEncoder.h"
13#include "Resources.h"
14
15namespace skiagm {
16
17class EncodeGM : public GM {
18public:
19    EncodeGM() {}
20
21protected:
22    SkString onShortName() override {
23        return SkString("encode");
24    }
25
26    SkISize onISize() override {
27        return SkISize::Make(1024, 600);
28    }
29
30    void onDraw(SkCanvas* canvas) override {
31        SkBitmap orig;
32        GetResourceAsBitmap("images/mandrill_512_q075.jpg", &orig);
33        sk_sp<SkData> pngData(sk_tool_utils::EncodeImageToData(orig, SkEncodedImageFormat::kPNG, 100));
34        sk_sp<SkData> jpegData(sk_tool_utils::EncodeImageToData(orig, SkEncodedImageFormat::kJPEG, 100));
35
36        sk_sp<SkImage> pngImage = SkImage::MakeFromEncoded(pngData);
37        sk_sp<SkImage> jpegImage = SkImage::MakeFromEncoded(jpegData);
38        canvas->drawImage(pngImage.get(), 0.0f, 0.0f);
39        canvas->drawImage(jpegImage.get(), 512.0f, 0.0f);
40
41        const char text[] = "Images should look identical.";
42        canvas->drawText(text, sizeof(text) - 1, 450.0f, 550.0f, SkPaint());
43    }
44
45private:
46    typedef GM INHERITED;
47};
48
49DEF_GM( return new EncodeGM; )
50}
51
52///////////
53
54#if 0
55DEF_SIMPLE_GM(jpeg_orientation, canvas, 1000, 1000) {
56    static sk_sp<SkImage> imgs[8];
57    if (!imgs[0]) {
58        for (int i = 0; i < 8; ++i) {
59            SkString path;
60            path.printf("/skia/orientation/Landscape_%d.jpg", i + 1);
61            auto stream = SkStream::MakeFromFile(path.c_str());
62            auto data = SkData::MakeFromStream(stream.get(), stream->getLength());
63            imgs[i] = SkImage::MakeFromEncoded(data, nullptr);
64        }
65    }
66    canvas->scale(0.25, 0.25);
67    for (int i = 0; i < 8; ++i) {
68        SkImage* img = imgs[i].get();
69        canvas->drawImage(img, 0, 0, nullptr);
70        canvas->translate(0, img->height());
71        if (i == 3) {
72            canvas->translate(img->width(), -4*img->height());
73        }
74    }
75}
76#endif
77