1 /*
2 * Copyright 2013 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
8 #include "gm.h"
9
10 #include "Resources.h"
11 #include "SkCanvas.h"
12 #include "SkImageDecoder.h"
13 #include "SkOSFile.h"
14
15 namespace skiagm {
16
17 /**
18 * Test copying an image from 8888 to 4444.
19 */
20 class CopyTo4444GM : public GM {
21 public:
CopyTo4444GM()22 CopyTo4444GM() {}
23
24 protected:
onShortName()25 virtual SkString onShortName() {
26 return SkString("copyTo4444");
27 }
28
onISize()29 virtual SkISize onISize() {
30 return SkISize::Make(1024, 512);
31 }
32
onDraw(SkCanvas * canvas)33 virtual void onDraw(SkCanvas* canvas) {
34 SkBitmap bm, bm4444;
35 SkString resourcePath = GetResourcePath();
36 SkString filename = SkOSPath::SkPathJoin(resourcePath.c_str(), "mandrill_512.png");
37 if (!SkImageDecoder::DecodeFile(filename.c_str(), &bm, kN32_SkColorType,
38 SkImageDecoder::kDecodePixels_Mode)) {
39 SkDebugf("Could not decode the file. Did you forget to set the "
40 "resourcePath?\n");
41 return;
42 }
43 canvas->drawBitmap(bm, 0, 0);
44 SkAssertResult(bm.copyTo(&bm4444, kARGB_4444_SkColorType));
45 canvas->drawBitmap(bm4444, SkIntToScalar(bm.width()), 0);
46 }
47
48 private:
49 typedef GM INHERITED;
50 };
51
52 //////////////////////////////////////////////////////////////////////////////
53
MyFactory(void *)54 static GM* MyFactory(void*) { return new CopyTo4444GM; }
55 static GMRegistry reg(MyFactory);
56
57 }
58