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1 /* | 1 /* |
2 * Copyright 2015 Google Inc. | 2 * Copyright 2015 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 "SkSurface.h" | 11 #include "SkSurface.h" |
12 #include "SkTArray.h" | 12 #include "SkTArray.h" |
13 | 13 |
14 class ImageScaleAlignedGM : public skiagm::GM { | 14 class ImageScaleAlignedGM : public skiagm::GM { |
15 protected: | 15 protected: |
16 void onOnceBeforeDraw() override { | 16 void onOnceBeforeDraw() override { |
17 const SkVector vectors[] = { { 1, 0 }, { 0, 1 } }; | 17 const SkVector vectors[] = { { 1, 0 }, { 0, 1 } }; |
18 | 18 |
19 for (size_t i = 0; i < SK_ARRAY_COUNT(vectors); ++i) { | 19 for (size_t i = 0; i < SK_ARRAY_COUNT(vectors); ++i) { |
20 auto& set = fSets.push_back(); | 20 auto& set = fSets.push_back(); |
21 | 21 |
22 set.fVector = vectors[i]; | 22 set.fVector = vectors[i]; |
23 set.fImages.push_back().reset(MakeImage(vectors[i], SK_ColorGREEN)); | 23 set.fImages.push_back() = MakeImage(vectors[i], SK_ColorGREEN); |
24 set.fScales.push_back() = 1; | 24 set.fScales.push_back() = 1; |
25 set.fImages.push_back().reset(MakeImage(vectors[i], SK_ColorRED)); | 25 set.fImages.push_back() = MakeImage(vectors[i], SK_ColorRED); |
26 set.fScales.push_back() = kStretchFactor; | 26 set.fScales.push_back() = kStretchFactor; |
27 set.fImages.push_back().reset(MakeImage(vectors[i], SK_ColorGREEN)); | 27 set.fImages.push_back() = MakeImage(vectors[i], SK_ColorGREEN); |
28 set.fScales.push_back() = 1; | 28 set.fScales.push_back() = 1; |
29 } | 29 } |
30 } | 30 } |
31 | 31 |
32 SkString onShortName() override { | 32 SkString onShortName() override { |
33 return SkString("image_scale_aligned"); | 33 return SkString("image_scale_aligned"); |
34 } | 34 } |
35 | 35 |
36 SkISize onISize() override { | 36 SkISize onISize() override { |
37 return SkISize::Make(580, 780); | 37 return SkISize::Make(580, 780); |
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56 for (size_t i = 0; i < SK_ARRAY_COUNT(cfgs); ++i) { | 56 for (size_t i = 0; i < SK_ARRAY_COUNT(cfgs); ++i) { |
57 SkAutoCanvasRestore acr(canvas, true); | 57 SkAutoCanvasRestore acr(canvas, true); |
58 canvas->translate(cfgs[i].offset.x(), cfgs[i].offset.y()); | 58 canvas->translate(cfgs[i].offset.x(), cfgs[i].offset.y()); |
59 canvas->scale(cfgs[i].scale.x(), cfgs[i].scale.y()); | 59 canvas->scale(cfgs[i].scale.x(), cfgs[i].scale.y()); |
60 drawSets(canvas); | 60 drawSets(canvas); |
61 } | 61 } |
62 } | 62 } |
63 | 63 |
64 private: | 64 private: |
65 struct ImageSet { | 65 struct ImageSet { |
66 SkSTArray<3, SkAutoTUnref<SkImage>, true> fImages; | 66 SkSTArray<3, sk_sp<SkImage>, true> fImages; |
67 SkSTArray<3, SkScalar> fScales; | 67 SkSTArray<3, SkScalar> fScales; |
68 SkVector fVector; | 68 SkVector fVector; |
69 }; | 69 }; |
70 | 70 |
71 static SkImage* MakeImage(const SkVector& vec, SkColor color) { | 71 static sk_sp<SkImage> MakeImage(const SkVector& vec, SkColor color) { |
72 const SkPoint start = SkPoint::Make(vec.y() * kSegLen / 2, vec.x() * kSe
gLen / 2); | 72 const SkPoint start = SkPoint::Make(vec.y() * kSegLen / 2, vec.x() * kSe
gLen / 2); |
73 const SkPoint end = SkPoint::Make(start.x() + vec.x() * (kSegLen - 1), | 73 const SkPoint end = SkPoint::Make(start.x() + vec.x() * (kSegLen - 1), |
74 start.y() + vec.y() * (kSegLen - 1))
; | 74 start.y() + vec.y() * (kSegLen - 1))
; |
75 | 75 |
76 SkAutoTUnref<SkSurface> surface(SkSurface::NewRasterN32Premul(kSegLen, k
SegLen)); | 76 SkAutoTUnref<SkSurface> surface(SkSurface::NewRasterN32Premul(kSegLen, k
SegLen)); |
77 surface->getCanvas()->clear(SK_ColorTRANSPARENT); | 77 surface->getCanvas()->clear(SK_ColorTRANSPARENT); |
78 | 78 |
79 SkPaint paint; | 79 SkPaint paint; |
80 paint.setAntiAlias(true); | 80 paint.setAntiAlias(true); |
81 const SkRect border = SkRect::MakeIWH(kSegLen, kSegLen).makeInset(.5f, .
5f); | 81 const SkRect border = SkRect::MakeIWH(kSegLen, kSegLen).makeInset(.5f, .
5f); |
82 paint.setColor(SK_ColorBLUE); | 82 paint.setColor(SK_ColorBLUE); |
83 paint.setStyle(SkPaint::kStroke_Style); | 83 paint.setStyle(SkPaint::kStroke_Style); |
84 surface->getCanvas()->drawRect(border, paint); | 84 surface->getCanvas()->drawRect(border, paint); |
85 | 85 |
86 paint.setColor(SK_ColorBLACK); | 86 paint.setColor(SK_ColorBLACK); |
87 surface->getCanvas()->drawLine(start.x(), start.y(), end.x(), end.y(), p
aint); | 87 surface->getCanvas()->drawLine(start.x(), start.y(), end.x(), end.y(), p
aint); |
88 surface->getCanvas()->drawPoint(start.x(), start.y(), color); | 88 surface->getCanvas()->drawPoint(start.x(), start.y(), color); |
89 surface->getCanvas()->drawPoint(end.x(), end.y(), color); | 89 surface->getCanvas()->drawPoint(end.x(), end.y(), color); |
90 | 90 |
91 return surface->newImageSnapshot(); | 91 return surface->makeImageSnapshot(); |
92 } | 92 } |
93 | 93 |
94 void drawSets(SkCanvas* canvas) const { | 94 void drawSets(SkCanvas* canvas) const { |
95 SkAutoCanvasRestore acr(canvas, true); | 95 SkAutoCanvasRestore acr(canvas, true); |
96 | 96 |
97 const SkFilterQuality filters[] = { | 97 const SkFilterQuality filters[] = { |
98 kNone_SkFilterQuality, | 98 kNone_SkFilterQuality, |
99 kLow_SkFilterQuality, | 99 kLow_SkFilterQuality, |
100 kMedium_SkFilterQuality, | 100 kMedium_SkFilterQuality, |
101 kHigh_SkFilterQuality | 101 kHigh_SkFilterQuality |
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124 SkASSERT(set.fImages.count() == set.fScales.count()); | 124 SkASSERT(set.fImages.count() == set.fScales.count()); |
125 | 125 |
126 SkPoint pt = SkPoint::Make(0, 0); | 126 SkPoint pt = SkPoint::Make(0, 0); |
127 for (int i = 0; i < set.fImages.count(); ++i) { | 127 for (int i = 0; i < set.fImages.count(); ++i) { |
128 auto& img = set.fImages[i]; | 128 auto& img = set.fImages[i]; |
129 const SkRect dst = | 129 const SkRect dst = |
130 SkRect::MakeXYWH(pt.x(), pt.y(), | 130 SkRect::MakeXYWH(pt.x(), pt.y(), |
131 img->width() * (1 + (set.fScales[i] - 1) * set.fVector.x()), | 131 img->width() * (1 + (set.fScales[i] - 1) * set.fVector.x()), |
132 img->height() * (1 + (set.fScales[i] - 1) * set.fVector.y())
); | 132 img->height() * (1 + (set.fScales[i] - 1) * set.fVector.y())
); |
133 | 133 |
134 canvas->drawImageRect(img, dst, &paint); | 134 canvas->drawImageRect(img.get(), dst, &paint); |
135 pt.offset(dst.width() * set.fVector.x(), dst.height() * set.fVector.
y()); | 135 pt.offset(dst.width() * set.fVector.x(), dst.height() * set.fVector.
y()); |
136 } | 136 } |
137 | 137 |
138 return pt; | 138 return pt; |
139 } | 139 } |
140 | 140 |
141 static const unsigned kSegLen = 15; | 141 static const unsigned kSegLen = 15; |
142 static const unsigned kStretchFactor = 4; | 142 static const unsigned kStretchFactor = 4; |
143 SkSTArray<2, ImageSet> fSets; | 143 SkSTArray<2, ImageSet> fSets; |
144 | 144 |
145 typedef GM INHERITED; | 145 typedef GM INHERITED; |
146 }; | 146 }; |
147 | 147 |
148 DEF_GM(return new ImageScaleAlignedGM();) | 148 DEF_GM(return new ImageScaleAlignedGM();) |
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