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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 "SkBitmapSource.h" | 8 #include "SkBitmapSource.h" |
9 #include "SkDisplacementMapEffect.h" | 9 #include "SkDisplacementMapEffect.h" |
10 #include "gm.h" | 10 #include "gm.h" |
11 #include "sk_tool_utils.h" | 11 #include "sk_tool_utils.h" |
12 | 12 |
13 namespace skiagm { | 13 namespace skiagm { |
14 | 14 |
15 class DisplacementMapGM : public GM { | 15 class DisplacementMapGM : public GM { |
16 public: | 16 public: |
17 DisplacementMapGM() : fInitialized(false) { | 17 DisplacementMapGM() { |
18 this->setBGColor(0xFF000000); | 18 this->setBGColor(0xFF000000); |
19 } | 19 } |
20 | 20 |
21 protected: | 21 protected: |
22 virtual SkString onShortName() { | 22 SkString onShortName() override { |
23 return SkString("displacement"); | 23 return SkString("displacement"); |
24 } | 24 } |
25 | 25 |
26 void make_bitmaps() { | 26 void onOnceBeforeDraw() override { |
27 make_bitmap(); | 27 fBitmap = sk_tool_utils::create_string_bitmap(80, 80, 0xFF884422, 15, 55
, 96, "g"); |
28 make_checkerboard(&fCheckerboard, 80, 80); | 28 |
29 make_checkerboard(&fSmall, 64, 64); | 29 SkColor c1 = sk_tool_utils::color_to_565(0xFF244484); |
30 make_checkerboard(&fLarge, 96, 96); | 30 SkColor c2 = sk_tool_utils::color_to_565(0xFF804020); |
31 make_checkerboard(&fLargeW, 96, 64); | 31 |
32 make_checkerboard(&fLargeH, 64, 96); | 32 fCheckerboard = sk_tool_utils::create_checkerboard_bitmap(80, 80, c1, c2
, 8); |
| 33 fSmall = sk_tool_utils::create_checkerboard_bitmap(64, 64, c1, c2, 8); |
| 34 fLarge = sk_tool_utils::create_checkerboard_bitmap(96, 96, c1, c2, 8); |
| 35 fLargeW = sk_tool_utils::create_checkerboard_bitmap(96, 64, c1, c2, 8); |
| 36 fLargeH = sk_tool_utils::create_checkerboard_bitmap(64, 96, c1, c2, 8); |
33 } | 37 } |
34 | 38 |
35 void make_bitmap() { | 39 SkISize onISize() override { |
36 fBitmap.allocN32Pixels(80, 80); | |
37 SkCanvas canvas(fBitmap); | |
38 canvas.clear(0x00000000); | |
39 SkPaint paint; | |
40 paint.setAntiAlias(true); | |
41 sk_tool_utils::set_portable_typeface(&paint); | |
42 paint.setColor(sk_tool_utils::color_to_565(0xFF884422)); | |
43 paint.setTextSize(SkIntToScalar(96)); | |
44 const char* str = "g"; | |
45 canvas.drawText(str, strlen(str), SkIntToScalar(15), SkIntToScalar(55),
paint); | |
46 } | |
47 | |
48 void make_checkerboard(SkBitmap* bitmap, int w, int h) { | |
49 bitmap->allocN32Pixels(w, h); | |
50 SkCanvas canvas(*bitmap); | |
51 sk_tool_utils::draw_checkerboard(&canvas, sk_tool_utils::color_to_565(0x
FF244484), | |
52 sk_tool_utils::color_to_565(0xFF804020), 8); | |
53 } | |
54 | |
55 virtual SkISize onISize() { | |
56 return SkISize::Make(500, 500); | 40 return SkISize::Make(500, 500); |
57 } | 41 } |
58 | 42 |
59 void drawClippedBitmap(SkCanvas* canvas, int x, int y, const SkPaint& paint)
{ | 43 void drawClippedBitmap(SkCanvas* canvas, int x, int y, const SkPaint& paint)
const { |
60 canvas->save(); | 44 canvas->save(); |
61 canvas->translate(SkIntToScalar(x), SkIntToScalar(y)); | 45 canvas->translate(SkIntToScalar(x), SkIntToScalar(y)); |
62 canvas->clipRect(SkRect::MakeWH(SkIntToScalar(fBitmap.width()), SkIntToS
calar(fBitmap.height()))); | 46 canvas->clipRect(SkRect::MakeWH(SkIntToScalar(fBitmap.width()), SkIntToS
calar(fBitmap.height()))); |
63 canvas->drawBitmap(fBitmap, 0, 0, &paint); | 47 canvas->drawBitmap(fBitmap, 0, 0, &paint); |
64 canvas->restore(); | 48 canvas->restore(); |
65 } | 49 } |
66 | 50 |
67 virtual void onDraw(SkCanvas* canvas) { | 51 void onDraw(SkCanvas* canvas) override { |
68 if (!fInitialized) { | |
69 make_bitmaps(); | |
70 fInitialized = true; | |
71 } | |
72 canvas->clear(SK_ColorBLACK); | 52 canvas->clear(SK_ColorBLACK); |
73 SkPaint paint; | 53 SkPaint paint; |
74 SkAutoTUnref<SkImageFilter> displ(SkBitmapSource::Create(fCheckerboard))
; | 54 SkAutoTUnref<SkImageFilter> displ(SkBitmapSource::Create(fCheckerboard))
; |
75 paint.setImageFilter(SkDisplacementMapEffect::Create( | 55 paint.setImageFilter(SkDisplacementMapEffect::Create( |
76 SkDisplacementMapEffect::kR_ChannelSelectorType, | 56 SkDisplacementMapEffect::kR_ChannelSelectorType, |
77 SkDisplacementMapEffect::kG_ChannelSelectorType, 0.0f, displ))->unre
f(); | 57 SkDisplacementMapEffect::kG_ChannelSelectorType, 0.0f, displ))->unre
f(); |
78 drawClippedBitmap(canvas, 0, 0, paint); | 58 drawClippedBitmap(canvas, 0, 0, paint); |
79 paint.setImageFilter(SkDisplacementMapEffect::Create( | 59 paint.setImageFilter(SkDisplacementMapEffect::Create( |
80 SkDisplacementMapEffect::kB_ChannelSelectorType, | 60 SkDisplacementMapEffect::kB_ChannelSelectorType, |
81 SkDisplacementMapEffect::kA_ChannelSelectorType, 16.0f, displ))->unr
ef(); | 61 SkDisplacementMapEffect::kA_ChannelSelectorType, 16.0f, displ))->unr
ef(); |
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197 // and color should use the same bitmap, given to SkCanvas::drawBitmap() | 177 // and color should use the same bitmap, given to SkCanvas::drawBitmap() |
198 // as an input argument. | 178 // as an input argument. |
199 paint.setImageFilter(SkDisplacementMapEffect::Create( | 179 paint.setImageFilter(SkDisplacementMapEffect::Create( |
200 SkDisplacementMapEffect::kG_ChannelSelectorType, | 180 SkDisplacementMapEffect::kG_ChannelSelectorType, |
201 SkDisplacementMapEffect::kA_ChannelSelectorType, | 181 SkDisplacementMapEffect::kA_ChannelSelectorType, |
202 40.0f, nullptr))->unref(); | 182 40.0f, nullptr))->unref(); |
203 drawClippedBitmap(canvas, 400, 400, paint); | 183 drawClippedBitmap(canvas, 400, 400, paint); |
204 } | 184 } |
205 | 185 |
206 private: | 186 private: |
| 187 SkBitmap fBitmap, fCheckerboard, fSmall, fLarge, fLargeW, fLargeH; |
| 188 |
207 typedef GM INHERITED; | 189 typedef GM INHERITED; |
208 SkBitmap fBitmap, fCheckerboard, fSmall, fLarge, fLargeW, fLargeH; | |
209 bool fInitialized; | |
210 }; | 190 }; |
211 | 191 |
212 ////////////////////////////////////////////////////////////////////////////// | 192 ////////////////////////////////////////////////////////////////////////////// |
213 | 193 |
214 static GM* MyFactory(void*) { return new DisplacementMapGM; } | 194 DEF_GM(return new DisplacementMapGM;) |
215 static GMRegistry reg(MyFactory); | |
216 | |
217 } | 195 } |
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