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1 /* | 1 /* |
2 * Copyright 2014 Google Inc. | 2 * Copyright 2014 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 "SkBlurImageFilter.h" | 9 #include "SkResizeImageFilter.h" |
10 #include "SkRandom.h" | 10 #include "SkRandom.h" |
11 | 11 |
12 #define WIDTH 640 | 12 #define WIDTH 640 |
13 #define HEIGHT 480 | 13 #define HEIGHT 480 |
14 | 14 |
15 #define RESIZE_FACTOR SkIntToScalar(2) | |
16 | |
15 namespace skiagm { | 17 namespace skiagm { |
16 | 18 |
17 class ImageBlurTiledGM : public GM { | 19 class ImageResizeTiledGM : public GM { |
18 public: | 20 public: |
19 ImageBlurTiledGM(SkScalar sigmaX, SkScalar sigmaY) | 21 ImageResizeTiledGM() { |
20 : fSigmaX(sigmaX), fSigmaY(sigmaY) { | |
21 } | 22 } |
22 | 23 |
23 protected: | 24 protected: |
robertphillips
2014/02/19 19:42:01
SK_OVERRIDE on next 3?
Stephen White
2014/02/19 20:32:44
Done.
| |
24 virtual SkString onShortName() { | 25 virtual SkString onShortName() { |
25 return SkString("imageblurtiled"); | 26 return SkString("imageresizetiled"); |
26 } | 27 } |
27 | 28 |
28 virtual SkISize onISize() { | 29 virtual SkISize onISize() { |
29 return make_isize(WIDTH, HEIGHT); | 30 return make_isize(WIDTH, HEIGHT); |
30 } | 31 } |
31 | 32 |
32 virtual void onDraw(SkCanvas* canvas) { | 33 virtual void onDraw(SkCanvas* canvas) { |
33 SkPaint paint; | 34 SkPaint paint; |
robertphillips
2014/02/19 19:42:01
over length line.
Stephen White
2014/02/19 20:32:44
Done.
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34 paint.setImageFilter(new SkBlurImageFilter(fSigmaX, fSigmaY))->unref(); | 35 paint.setImageFilter(new SkResizeImageFilter(RESIZE_FACTOR, RESIZE_FACTO R, SkPaint::kNone_FilterLevel))->unref(); |
35 const SkScalar tile_size = SkIntToScalar(128); | 36 const SkScalar tile_size = SkIntToScalar(100); |
36 SkRect bounds; | 37 SkRect bounds; |
37 canvas->getClipBounds(&bounds); | 38 canvas->getClipBounds(&bounds); |
38 for (SkScalar y = bounds.top(); y < bounds.bottom(); y += tile_size) { | 39 SkRect layerBounds = SkRect::MakeWH(WIDTH, HEIGHT); |
39 for (SkScalar x = bounds.left(); x < bounds.right(); x += tile_size) { | 40 for (SkScalar y = 0; y < HEIGHT; y += tile_size) { |
41 for (SkScalar x = 0; x < WIDTH; x += tile_size) { | |
40 canvas->save(); | 42 canvas->save(); |
41 canvas->clipRect(SkRect::MakeXYWH(x, y, tile_size, tile_size)); | 43 canvas->clipRect(SkRect::MakeXYWH(x, y, tile_size, tile_size)); |
42 canvas->saveLayer(NULL, &paint); | 44 canvas->translate(layerBounds.x(), layerBounds.y()); |
45 canvas->scale(SkScalarInvert(RESIZE_FACTOR), | |
46 SkScalarInvert(RESIZE_FACTOR)); | |
47 canvas->translate(-layerBounds.x(), -layerBounds.y()); | |
48 canvas->saveLayer(&layerBounds, &paint); | |
43 const char* str[] = { | 49 const char* str[] = { |
44 "The quick", | 50 "The quick", |
45 "brown fox", | 51 "brown fox", |
46 "jumped over", | 52 "jumped over", |
47 "the lazy dog.", | 53 "the lazy dog.", |
48 }; | 54 }; |
49 SkPaint textPaint; | 55 SkPaint textPaint; |
50 textPaint.setAntiAlias(true); | 56 textPaint.setAntiAlias(true); |
51 textPaint.setTextSize(SkIntToScalar(100)); | 57 textPaint.setTextSize(SkIntToScalar(100)); |
52 int posY = 0; | 58 int posY = 0; |
53 for (unsigned i = 0; i < SK_ARRAY_COUNT(str); i++) { | 59 for (unsigned i = 0; i < SK_ARRAY_COUNT(str); i++) { |
54 posY += 100; | 60 posY += 100; |
55 canvas->drawText(str[i], strlen(str[i]), SkIntToScalar(0), | 61 canvas->drawText(str[i], strlen(str[i]), SkIntToScalar(0), |
56 SkIntToScalar(posY), textPaint); | 62 SkIntToScalar(posY), textPaint); |
57 } | 63 } |
58 canvas->restore(); | 64 canvas->restore(); |
59 canvas->restore(); | 65 canvas->restore(); |
60 } | 66 } |
61 } | 67 } |
62 } | 68 } |
63 | 69 |
64 private: | 70 private: |
65 SkScalar fSigmaX; | |
66 SkScalar fSigmaY; | |
67 | |
68 typedef GM INHERITED; | 71 typedef GM INHERITED; |
69 }; | 72 }; |
70 | 73 |
71 ////////////////////////////////////////////////////////////////////////////// | 74 ////////////////////////////////////////////////////////////////////////////// |
72 | 75 |
robertphillips
2014/02/19 19:42:01
DEF_GM?
Stephen White
2014/02/19 20:32:44
Done.
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73 static GM* MyFactory1(void*) { return new ImageBlurTiledGM(3.0f, 3.0f); } | 76 static GM* MyFactory1(void*) { return new ImageResizeTiledGM(); } |
74 static GMRegistry reg1(MyFactory1); | 77 static GMRegistry reg1(MyFactory1); |
75 | 78 |
76 } | 79 } |
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