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1 /* | 1 /* |
2 * Copyright 2013 Google Inc. | 2 * Copyright 2013 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 | 9 |
10 #include "SkImage.h" | 10 #include "SkImage.h" |
11 #include "SkImageSource.h" | 11 #include "SkImageSource.h" |
12 | 12 |
13 // This GM exercises the SkImageSource ImageFilter class. | 13 // This GM exercises the SkImageSource ImageFilter class. |
14 | 14 |
15 class ImageSourceGM : public skiagm::GM { | 15 class ImageSourceGM : public skiagm::GM { |
16 public: | 16 public: |
17 ImageSourceGM() { } | 17 ImageSourceGM() { } |
18 | 18 |
19 protected: | 19 protected: |
20 SkString onShortName() override { | 20 SkString onShortName() override { |
21 return SkString("imagesource"); | 21 return SkString("imagesource"); |
22 } | 22 } |
23 | 23 |
24 SkISize onISize() override { return SkISize::Make(500, 150); } | 24 SkISize onISize() override { return SkISize::Make(500, 150); } |
25 | 25 |
26 void onOnceBeforeDraw() override { | 26 void onOnceBeforeDraw() override { |
27 SkBitmap bm = sk_tool_utils::create_string_bitmap(100, 100, 0xFFFFFFFF,
20, 70, 96, "e"); | 27 SkBitmap bm = sk_tool_utils::create_string_bitmap(100, 100, 0xFFFFFFFF,
20, 70, 96, "e"); |
28 fImage.reset(SkImage::NewFromBitmap(bm)); | 28 fImage = SkImage::MakeFromBitmap(bm); |
29 } | 29 } |
30 | 30 |
31 static void FillRectFiltered(SkCanvas* canvas, const SkRect& clipRect, SkIma
geFilter* filter) { | 31 static void FillRectFiltered(SkCanvas* canvas, const SkRect& clipRect, SkIma
geFilter* filter) { |
32 SkPaint paint; | 32 SkPaint paint; |
33 paint.setImageFilter(filter); | 33 paint.setImageFilter(filter); |
34 canvas->save(); | 34 canvas->save(); |
35 canvas->clipRect(clipRect); | 35 canvas->clipRect(clipRect); |
36 canvas->drawPaint(paint); | 36 canvas->drawPaint(paint); |
37 canvas->restore(); | 37 canvas->restore(); |
38 } | 38 } |
39 | 39 |
40 void onDraw(SkCanvas* canvas) override { | 40 void onDraw(SkCanvas* canvas) override { |
41 canvas->clear(SK_ColorBLACK); | 41 canvas->clear(SK_ColorBLACK); |
42 { | 42 { |
43 SkRect srcRect = SkRect::MakeXYWH(20, 20, 30, 30); | 43 SkRect srcRect = SkRect::MakeXYWH(20, 20, 30, 30); |
44 SkRect dstRect = SkRect::MakeXYWH(0, 10, 60, 60); | 44 SkRect dstRect = SkRect::MakeXYWH(0, 10, 60, 60); |
45 SkRect clipRect = SkRect::MakeXYWH(0, 0, 100, 100); | 45 SkRect clipRect = SkRect::MakeXYWH(0, 0, 100, 100); |
46 SkRect bounds = SkRect::MakeIWH(fImage->width(), fImage->height()); | 46 SkRect bounds = SkRect::MakeIWH(fImage->width(), fImage->height()); |
47 SkAutoTUnref<SkImageFilter> imageSource(SkImageSource::Create(fImage
)); | 47 SkAutoTUnref<SkImageFilter> imageSource(SkImageSource::Create(fImage
.get())); |
48 SkAutoTUnref<SkImageFilter> imageSourceSrcRect( | 48 SkAutoTUnref<SkImageFilter> imageSourceSrcRect( |
49 SkImageSource::Create(fImage, srcRect, srcRect, kHigh_SkFilterQu
ality)); | 49 SkImageSource::Create(fImage.get(), srcRect, srcRect, kHigh_SkFi
lterQuality)); |
50 SkAutoTUnref<SkImageFilter> imageSourceSrcRectDstRect( | 50 SkAutoTUnref<SkImageFilter> imageSourceSrcRectDstRect( |
51 SkImageSource::Create(fImage, srcRect, dstRect, kHigh_SkFilterQu
ality)); | 51 SkImageSource::Create(fImage.get(), srcRect, dstRect, kHigh_SkFi
lterQuality)); |
52 SkAutoTUnref<SkImageFilter> imageSourceDstRectOnly( | 52 SkAutoTUnref<SkImageFilter> imageSourceDstRectOnly( |
53 SkImageSource::Create(fImage, bounds, dstRect, kHigh_SkFilterQua
lity)); | 53 SkImageSource::Create(fImage.get(), bounds, dstRect, kHigh_SkFil
terQuality)); |
54 | 54 |
55 // Draw an unscaled bitmap. | 55 // Draw an unscaled bitmap. |
56 FillRectFiltered(canvas, clipRect, imageSource); | 56 FillRectFiltered(canvas, clipRect, imageSource); |
57 canvas->translate(SkIntToScalar(100), 0); | 57 canvas->translate(SkIntToScalar(100), 0); |
58 | 58 |
59 // Draw an unscaled subset of the source bitmap (srcRect -> srcRect)
. | 59 // Draw an unscaled subset of the source bitmap (srcRect -> srcRect)
. |
60 FillRectFiltered(canvas, clipRect, imageSourceSrcRect); | 60 FillRectFiltered(canvas, clipRect, imageSourceSrcRect); |
61 canvas->translate(SkIntToScalar(100), 0); | 61 canvas->translate(SkIntToScalar(100), 0); |
62 | 62 |
63 // Draw a subset of the bitmap scaled to a destination rect (srcRect
-> dstRect). | 63 // Draw a subset of the bitmap scaled to a destination rect (srcRect
-> dstRect). |
64 FillRectFiltered(canvas, clipRect, imageSourceSrcRectDstRect); | 64 FillRectFiltered(canvas, clipRect, imageSourceSrcRectDstRect); |
65 canvas->translate(SkIntToScalar(100), 0); | 65 canvas->translate(SkIntToScalar(100), 0); |
66 | 66 |
67 // Draw the entire bitmap scaled to a destination rect (bounds -> ds
tRect). | 67 // Draw the entire bitmap scaled to a destination rect (bounds -> ds
tRect). |
68 FillRectFiltered(canvas, clipRect, imageSourceDstRectOnly); | 68 FillRectFiltered(canvas, clipRect, imageSourceDstRectOnly); |
69 canvas->translate(SkIntToScalar(100), 0); | 69 canvas->translate(SkIntToScalar(100), 0); |
70 } | 70 } |
71 } | 71 } |
72 | 72 |
73 private: | 73 private: |
74 SkAutoTUnref<SkImage> fImage; | 74 sk_sp<SkImage> fImage; |
75 typedef GM INHERITED; | 75 typedef GM INHERITED; |
76 }; | 76 }; |
77 | 77 |
78 /////////////////////////////////////////////////////////////////////////////// | 78 /////////////////////////////////////////////////////////////////////////////// |
79 | 79 |
80 DEF_GM( return new ImageSourceGM; ) | 80 DEF_GM( return new ImageSourceGM; ) |
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