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1 /* | 1 /* |
2 * Copyright 2012 Google Inc. | 2 * Copyright 2012 Google Inc. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license that can be | 4 * Use of this source code is governed by a BSD-style license that can be |
5 * found in the LICENSE file. | 5 * found in the LICENSE file. |
6 */ | 6 */ |
7 | 7 |
8 #include "gm.h" | 8 #include "gm.h" |
9 #include "SkBitmapFactory.h" | |
10 #include "SkCanvas.h" | 9 #include "SkCanvas.h" |
11 #include "SkData.h" | 10 #include "SkData.h" |
| 11 #include "SkDecodingImageGenerator.h" |
| 12 #include "SkDiscardableMemoryPool.h" |
| 13 #include "SkDiscardablePixelRef.h" |
12 #include "SkImageDecoder.h" | 14 #include "SkImageDecoder.h" |
13 #include "SkLruImageCache.h" | |
14 #include "SkOSFile.h" | 15 #include "SkOSFile.h" |
15 #include "SkStream.h" | 16 #include "SkStream.h" |
16 | 17 |
17 namespace skiagm { | 18 namespace skiagm { |
18 | 19 |
19 /** | 20 /** |
20 * Draw a PNG created by SkBitmapFactory. | 21 * Draw a PNG created by SkBitmapFactory. |
21 */ | 22 */ |
22 class FactoryGM : public GM { | 23 class FactoryGM : public GM { |
23 public: | 24 public: |
24 FactoryGM() {} | 25 FactoryGM() {} |
25 | 26 |
26 protected: | 27 protected: |
27 virtual void onOnceBeforeDraw() SK_OVERRIDE { | 28 virtual void onOnceBeforeDraw() SK_OVERRIDE { |
28 // Copyright-free file from http://openclipart.org/detail/29213/paper-pl
ane-by-ddoo | 29 // Copyright-free file from http://openclipart.org/detail/29213/paper-pl
ane-by-ddoo |
29 SkString filename = SkOSPath::SkPathJoin(INHERITED::gResourcePath.c_str(
), | 30 SkString filename = SkOSPath::SkPathJoin(INHERITED::gResourcePath.c_str(
), |
30 "plane.png"); | 31 "plane.png"); |
31 | 32 SkAutoDataUnref data(SkData::NewFromFileName(filename.c_str())); |
32 SkAutoTUnref<SkStream> stream(SkStream::NewFromFile(filename.c_str())); | 33 if (NULL != data.get()) { |
33 if (NULL != stream.get()) { | |
34 stream->rewind(); | |
35 size_t length = stream->getLength(); | |
36 void* buffer = sk_malloc_throw(length); | |
37 stream->read(buffer, length); | |
38 SkAutoDataUnref data(SkData::NewFromMalloc(buffer, length)); | |
39 SkBitmapFactory factory(&SkImageDecoder::DecodeMemoryToTarget); | |
40 // Create a cache which will boot the pixels out anytime the | 34 // Create a cache which will boot the pixels out anytime the |
41 // bitmap is unlocked. | 35 // bitmap is unlocked. |
42 SkAutoTUnref<SkLruImageCache> cache(SkNEW_ARGS(SkLruImageCache, (1))
); | 36 SkAutoTUnref<SkDiscardableMemoryPool> pool( |
43 factory.setImageCache(cache); | 37 SkNEW_ARGS(SkDiscardableMemoryPool, (1))); |
44 factory.installPixelRef(data, &fBitmap); | 38 SkAssertResult(SkDecodingImageGenerator::Install(data, |
| 39 &fBitmap, pool)); |
45 } | 40 } |
46 } | 41 } |
47 | 42 |
48 virtual SkString onShortName() { | 43 virtual SkString onShortName() { |
49 return SkString("factory"); | 44 return SkString("factory"); |
50 } | 45 } |
51 | 46 |
52 virtual SkISize onISize() { | 47 virtual SkISize onISize() { |
53 return make_isize(640, 480); | 48 return make_isize(640, 480); |
54 } | 49 } |
(...skipping 12 matching lines...) Expand all Loading... |
67 | 62 |
68 typedef GM INHERITED; | 63 typedef GM INHERITED; |
69 }; | 64 }; |
70 | 65 |
71 ////////////////////////////////////////////////////////////////////////////// | 66 ////////////////////////////////////////////////////////////////////////////// |
72 | 67 |
73 static GM* MyFactory(void*) { return new FactoryGM; } | 68 static GM* MyFactory(void*) { return new FactoryGM; } |
74 static GMRegistry reg(MyFactory); | 69 static GMRegistry reg(MyFactory); |
75 | 70 |
76 } | 71 } |
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