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Side by Side Diff: skia/ext/platform_canvas_unittest.cc

Issue 18511: Add back convolver_unittest.cc and image_operations_unittest.cc.... (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src/
Patch Set: Created 11 years, 11 months ago
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1 // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved. 1 // Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 // TODO(awalker): clean up the const/non-const reference handling in this test 5 // TODO(awalker): clean up the const/non-const reference handling in this test
6 6
7 #include "build/build_config.h" 7 #include "build/build_config.h"
8 8
9 #if defined(OS_WIN) 9 #if !defined(OS_WIN)
10 #include <windows.h>
11 #else
12 #include <unistd.h> 10 #include <unistd.h>
13 #endif 11 #endif
14 12
15 #include "skia/ext/platform_canvas.h" 13 #include "skia/ext/platform_canvas.h"
16 #include "skia/ext/platform_device.h" 14 #include "skia/ext/platform_device.h"
17 #include "testing/gtest/include/gtest/gtest.h" 15 #include "testing/gtest/include/gtest/gtest.h"
18 16
19 #include "SkColor.h" 17 #include "SkColor.h"
20 18
19 // TODO(maruel): Removes once notImplemented() is not necessary anymore.
20 #include "NotImplemented.h"
21
21 namespace skia { 22 namespace skia {
22 23
23 namespace { 24 namespace {
24 25
25 // Return true if the canvas is filled to canvas_color, 26 // Return true if the canvas is filled to canvas_color,
26 // and contains a single rectangle filled to rect_color. 27 // and contains a single rectangle filled to rect_color.
27 bool VerifyRect(const PlatformCanvas& canvas, 28 bool VerifyRect(const PlatformCanvas& canvas,
28 uint32_t canvas_color, uint32_t rect_color, 29 uint32_t canvas_color, uint32_t rect_color,
29 int x, int y, int w, int h) { 30 int x, int y, int w, int h) {
30 PlatformDevice& device = canvas.getTopPlatformDevice(); 31 PlatformDevice& device = canvas.getTopPlatformDevice();
(...skipping 12 matching lines...) Expand all
43 if (*bitmap.getAddr32(cur_x, cur_y) != canvas_color) 44 if (*bitmap.getAddr32(cur_x, cur_y) != canvas_color)
44 return false; 45 return false;
45 } 46 }
46 } 47 }
47 } 48 }
48 return true; 49 return true;
49 } 50 }
50 51
51 // Checks whether there is a white canvas with a black square at the given 52 // Checks whether there is a white canvas with a black square at the given
52 // location in pixels (not in the canvas coordinate system). 53 // location in pixels (not in the canvas coordinate system).
53 // TODO(ericroman): rename Square to Rect 54 bool VerifyBlackRect(const PlatformCanvas& canvas, int x, int y, int w, int h) {
54 bool VerifyBlackSquare(const PlatformCanvas& canvas, int x, int y, int w, int h) {
55 return VerifyRect(canvas, SK_ColorWHITE, SK_ColorBLACK, x, y, w, h); 55 return VerifyRect(canvas, SK_ColorWHITE, SK_ColorBLACK, x, y, w, h);
56 } 56 }
57 57
58 // Check that every pixel in the canvas is a single color. 58 // Check that every pixel in the canvas is a single color.
59 bool VerifyCanvasColor(const PlatformCanvas& canvas, uint32_t canvas_color) { 59 bool VerifyCanvasColor(const PlatformCanvas& canvas, uint32_t canvas_color) {
60 return VerifyRect(canvas, canvas_color, 0, 0, 0, 0, 0); 60 return VerifyRect(canvas, canvas_color, 0, 0, 0, 0, 0);
61 } 61 }
62 62
63 #if defined(OS_WIN) 63 #if defined(OS_WIN)
64 void DrawNativeRect(PlatformCanvas& canvas, int x, int y, int w, int h) { 64 void DrawNativeRect(PlatformCanvas& canvas, int x, int y, int w, int h) {
(...skipping 16 matching lines...) Expand all
81 // RGBA opaque black 81 // RGBA opaque black
82 CGColorRef black = CGColorCreateGenericRGB(0.0, 0.0, 0.0, 1.0); 82 CGColorRef black = CGColorCreateGenericRGB(0.0, 0.0, 0.0, 1.0);
83 CGContextSetFillColorWithColor(context, black); 83 CGContextSetFillColorWithColor(context, black);
84 CGColorRelease(black); 84 CGColorRelease(black);
85 CGContextFillRect(context, inner_rc); 85 CGContextFillRect(context, inner_rc);
86 86
87 canvas.endPlatformPaint(); 87 canvas.endPlatformPaint();
88 } 88 }
89 #else 89 #else
90 void DrawNativeRect(PlatformCanvas& canvas, int x, int y, int w, int h) { 90 void DrawNativeRect(PlatformCanvas& canvas, int x, int y, int w, int h) {
91 NOTIMPLEMENTED(); 91 notImplemented();
92 } 92 }
93 #endif 93 #endif
94 94
95 // Clips the contents of the canvas to the given rectangle. This will be 95 // Clips the contents of the canvas to the given rectangle. This will be
96 // intersected with any existing clip. 96 // intersected with any existing clip.
97 void AddClip(PlatformCanvas& canvas, int x, int y, int w, int h) { 97 void AddClip(PlatformCanvas& canvas, int x, int y, int w, int h) {
98 SkRect rect; 98 SkRect rect;
99 rect.set(SkIntToScalar(x), SkIntToScalar(y), 99 rect.set(SkIntToScalar(x), SkIntToScalar(y),
100 SkIntToScalar(x + w), SkIntToScalar(y + h)); 100 SkIntToScalar(x + w), SkIntToScalar(y + h));
101 canvas.clipRect(rect); 101 canvas.clipRect(rect);
102 } 102 }
103 103
104 class LayerSaver { 104 class LayerSaver {
105 public: 105 public:
106 LayerSaver(PlatformCanvas& canvas, int x, int y, int w, int h) 106 LayerSaver(PlatformCanvas& canvas, int x, int y, int w, int h)
107 : canvas_(canvas), 107 : canvas_(canvas),
108 x_(x), 108 x_(x),
109 y_(y), 109 y_(y),
110 w_(w), 110 w_(w),
111 h_(h) { 111 h_(h) {
112 SkRect bounds; 112 SkRect bounds;
113 bounds.set(SkIntToScalar(x_), SkIntToScalar(y_), 113 bounds.set(SkIntToScalar(x_), SkIntToScalar(y_),
114 SkIntToScalar(right()), SkIntToScalar(bottom())); 114 SkIntToScalar(right()), SkIntToScalar(bottom()));
115 canvas_.saveLayer(&bounds, NULL); 115 canvas_.saveLayer(&bounds, NULL);
116 } 116 }
117 117
118 ~LayerSaver() { 118 ~LayerSaver() {
119 #if defined(OS_WIN)
119 canvas_.getTopPlatformDevice().fixupAlphaBeforeCompositing(); 120 canvas_.getTopPlatformDevice().fixupAlphaBeforeCompositing();
121 #endif
120 canvas_.restore(); 122 canvas_.restore();
121 } 123 }
122 124
123 int x() const { return x_; } 125 int x() const { return x_; }
124 int y() const { return y_; } 126 int y() const { return y_; }
125 int w() const { return w_; } 127 int w() const { return w_; }
126 int h() const { return h_; } 128 int h() const { return h_; }
127 129
128 // Returns the EXCLUSIVE far bounds of the layer. 130 // Returns the EXCLUSIVE far bounds of the layer.
129 int right() const { return x_ + w_; } 131 int right() const { return x_ + w_; }
(...skipping 24 matching lines...) Expand all
154 // Create the canvas initialized to opaque white. 156 // Create the canvas initialized to opaque white.
155 PlatformCanvas canvas(16, 16, true); 157 PlatformCanvas canvas(16, 16, true);
156 canvas.drawColor(SK_ColorWHITE); 158 canvas.drawColor(SK_ColorWHITE);
157 159
158 // Make a layer and fill it completely to make sure that the bounds are 160 // Make a layer and fill it completely to make sure that the bounds are
159 // correct. 161 // correct.
160 { 162 {
161 LayerSaver layer(canvas, kLayerX, kLayerY, kLayerW, kLayerH); 163 LayerSaver layer(canvas, kLayerX, kLayerY, kLayerW, kLayerH);
162 canvas.drawColor(SK_ColorBLACK); 164 canvas.drawColor(SK_ColorBLACK);
163 } 165 }
164 EXPECT_TRUE(VerifyBlackSquare(canvas, kLayerX, kLayerY, kLayerW, kLayerH)); 166 EXPECT_TRUE(VerifyBlackRect(canvas, kLayerX, kLayerY, kLayerW, kLayerH));
165 } 167 }
166 168
167 // Test native clipping. 169 // Test native clipping.
168 TEST(PlatformCanvas, ClipRegion) { 170 TEST(PlatformCanvas, ClipRegion) {
169 // Initialize a white canvas 171 // Initialize a white canvas
170 PlatformCanvas canvas(16, 16, true); 172 PlatformCanvas canvas(16, 16, true);
171 canvas.drawColor(SK_ColorWHITE); 173 canvas.drawColor(SK_ColorWHITE);
172 EXPECT_TRUE(VerifyCanvasColor(canvas, SK_ColorWHITE)); 174 EXPECT_TRUE(VerifyCanvasColor(canvas, SK_ColorWHITE));
173 175
174 // Test that initially the canvas has no clip region, by filling it 176 // Test that initially the canvas has no clip region, by filling it
175 // with a black rectangle. 177 // with a black rectangle.
176 // Note: Don't use LayerSaver, since internally it sets a clip region. 178 // Note: Don't use LayerSaver, since internally it sets a clip region.
177 DrawNativeRect(canvas, 0, 0, 16, 16); 179 DrawNativeRect(canvas, 0, 0, 16, 16);
180 #if defined(OS_WIN)
178 canvas.getTopPlatformDevice().fixupAlphaBeforeCompositing(); 181 canvas.getTopPlatformDevice().fixupAlphaBeforeCompositing();
182 #endif
179 EXPECT_TRUE(VerifyCanvasColor(canvas, SK_ColorBLACK)); 183 EXPECT_TRUE(VerifyCanvasColor(canvas, SK_ColorBLACK));
180 184
181 // Test that intersecting disjoint clip rectangles sets an empty clip region 185 // Test that intersecting disjoint clip rectangles sets an empty clip region
182 canvas.drawColor(SK_ColorWHITE); 186 canvas.drawColor(SK_ColorWHITE);
183 EXPECT_TRUE(VerifyCanvasColor(canvas, SK_ColorWHITE)); 187 EXPECT_TRUE(VerifyCanvasColor(canvas, SK_ColorWHITE));
184 { 188 {
185 LayerSaver layer(canvas, 0, 0, 16, 16); 189 LayerSaver layer(canvas, 0, 0, 16, 16);
186 AddClip(canvas, 2, 3, 4, 5); 190 AddClip(canvas, 2, 3, 4, 5);
187 AddClip(canvas, 4, 9, 10, 10); 191 AddClip(canvas, 4, 9, 10, 10);
188 DrawNativeRect(canvas, 0, 0, 16, 16); 192 DrawNativeRect(canvas, 0, 0, 16, 16);
189 } 193 }
190 EXPECT_TRUE(VerifyCanvasColor(canvas, SK_ColorWHITE)); 194 EXPECT_TRUE(VerifyCanvasColor(canvas, SK_ColorWHITE));
191 } 195 }
192 196
193 // Test the layers get filled properly by native rendering. 197 // Test the layers get filled properly by native rendering.
194 TEST(PlatformCanvas, FillLayer) { 198 TEST(PlatformCanvas, FillLayer) {
195 // Create the canvas initialized to opaque white. 199 // Create the canvas initialized to opaque white.
196 PlatformCanvas canvas(16, 16, true); 200 PlatformCanvas canvas(16, 16, true);
197 201
198 // Make a layer and fill it completely to make sure that the bounds are 202 // Make a layer and fill it completely to make sure that the bounds are
199 // correct. 203 // correct.
200 canvas.drawColor(SK_ColorWHITE); 204 canvas.drawColor(SK_ColorWHITE);
201 { 205 {
202 LayerSaver layer(canvas, kLayerX, kLayerY, kLayerW, kLayerH); 206 LayerSaver layer(canvas, kLayerX, kLayerY, kLayerW, kLayerH);
203 DrawNativeRect(canvas, 0, 0, 100, 100); 207 DrawNativeRect(canvas, 0, 0, 100, 100);
204 } 208 }
205 EXPECT_TRUE(VerifyBlackSquare(canvas, kLayerX, kLayerY, kLayerW, kLayerH)); 209 EXPECT_TRUE(VerifyBlackRect(canvas, kLayerX, kLayerY, kLayerW, kLayerH));
206 210
207 // Make a layer and fill it partially to make sure the translation is correct. 211 // Make a layer and fill it partially to make sure the translation is correct.
208 canvas.drawColor(SK_ColorWHITE); 212 canvas.drawColor(SK_ColorWHITE);
209 { 213 {
210 LayerSaver layer(canvas, kLayerX, kLayerY, kLayerW, kLayerH); 214 LayerSaver layer(canvas, kLayerX, kLayerY, kLayerW, kLayerH);
211 DrawNativeRect(canvas, kInnerX, kInnerY, kInnerW, kInnerH); 215 DrawNativeRect(canvas, kInnerX, kInnerY, kInnerW, kInnerH);
212 } 216 }
213 EXPECT_TRUE(VerifyBlackSquare(canvas, kInnerX, kInnerY, kInnerW, kInnerH)); 217 EXPECT_TRUE(VerifyBlackRect(canvas, kInnerX, kInnerY, kInnerW, kInnerH));
214 218
215 // Add a clip on the layer and fill to make sure clip is correct. 219 // Add a clip on the layer and fill to make sure clip is correct.
216 canvas.drawColor(SK_ColorWHITE); 220 canvas.drawColor(SK_ColorWHITE);
217 { 221 {
218 LayerSaver layer(canvas, kLayerX, kLayerY, kLayerW, kLayerH); 222 LayerSaver layer(canvas, kLayerX, kLayerY, kLayerW, kLayerH);
219 canvas.save(); 223 canvas.save();
220 AddClip(canvas, kInnerX, kInnerY, kInnerW, kInnerH); 224 AddClip(canvas, kInnerX, kInnerY, kInnerW, kInnerH);
221 DrawNativeRect(canvas, 0, 0, 100, 100); 225 DrawNativeRect(canvas, 0, 0, 100, 100);
222 canvas.restore(); 226 canvas.restore();
223 } 227 }
224 EXPECT_TRUE(VerifyBlackSquare(canvas, kInnerX, kInnerY, kInnerW, kInnerH)); 228 EXPECT_TRUE(VerifyBlackRect(canvas, kInnerX, kInnerY, kInnerW, kInnerH));
225 229
226 // Add a clip and then make the layer to make sure the clip is correct. 230 // Add a clip and then make the layer to make sure the clip is correct.
227 canvas.drawColor(SK_ColorWHITE); 231 canvas.drawColor(SK_ColorWHITE);
228 canvas.save(); 232 canvas.save();
229 AddClip(canvas, kInnerX, kInnerY, kInnerW, kInnerH); 233 AddClip(canvas, kInnerX, kInnerY, kInnerW, kInnerH);
230 { 234 {
231 LayerSaver layer(canvas, kLayerX, kLayerY, kLayerW, kLayerH); 235 LayerSaver layer(canvas, kLayerX, kLayerY, kLayerW, kLayerH);
232 DrawNativeRect(canvas, 0, 0, 100, 100); 236 DrawNativeRect(canvas, 0, 0, 100, 100);
233 } 237 }
234 canvas.restore(); 238 canvas.restore();
235 EXPECT_TRUE(VerifyBlackSquare(canvas, kInnerX, kInnerY, kInnerW, kInnerH)); 239 EXPECT_TRUE(VerifyBlackRect(canvas, kInnerX, kInnerY, kInnerW, kInnerH));
236 } 240 }
237 241
238 // Test that translation + make layer works properly. 242 // Test that translation + make layer works properly.
239 TEST(PlatformCanvas, TranslateLayer) { 243 TEST(PlatformCanvas, TranslateLayer) {
240 // Create the canvas initialized to opaque white. 244 // Create the canvas initialized to opaque white.
241 PlatformCanvas canvas(16, 16, true); 245 PlatformCanvas canvas(16, 16, true);
242 246
243 // Make a layer and fill it completely to make sure that the bounds are 247 // Make a layer and fill it completely to make sure that the bounds are
244 // correct. 248 // correct.
245 canvas.drawColor(SK_ColorWHITE); 249 canvas.drawColor(SK_ColorWHITE);
246 canvas.save(); 250 canvas.save();
247 canvas.translate(1, 1); 251 canvas.translate(1, 1);
248 { 252 {
249 LayerSaver layer(canvas, kLayerX, kLayerY, kLayerW, kLayerH); 253 LayerSaver layer(canvas, kLayerX, kLayerY, kLayerW, kLayerH);
250 DrawNativeRect(canvas, 0, 0, 100, 100); 254 DrawNativeRect(canvas, 0, 0, 100, 100);
251 } 255 }
252 canvas.restore(); 256 canvas.restore();
253 EXPECT_TRUE(VerifyBlackSquare(canvas, kLayerX + 1, kLayerY + 1, 257 EXPECT_TRUE(VerifyBlackRect(canvas, kLayerX + 1, kLayerY + 1,
254 kLayerW, kLayerH)); 258 kLayerW, kLayerH));
255 259
256 // Translate then make the layer. 260 // Translate then make the layer.
257 canvas.drawColor(SK_ColorWHITE); 261 canvas.drawColor(SK_ColorWHITE);
258 canvas.save(); 262 canvas.save();
259 canvas.translate(1, 1); 263 canvas.translate(1, 1);
260 { 264 {
261 LayerSaver layer(canvas, kLayerX, kLayerY, kLayerW, kLayerH); 265 LayerSaver layer(canvas, kLayerX, kLayerY, kLayerW, kLayerH);
262 DrawNativeRect(canvas, kInnerX, kInnerY, kInnerW, kInnerH); 266 DrawNativeRect(canvas, kInnerX, kInnerY, kInnerW, kInnerH);
263 } 267 }
264 canvas.restore(); 268 canvas.restore();
265 EXPECT_TRUE(VerifyBlackSquare(canvas, kInnerX + 1, kInnerY + 1, 269 EXPECT_TRUE(VerifyBlackRect(canvas, kInnerX + 1, kInnerY + 1,
266 kInnerW, kInnerH)); 270 kInnerW, kInnerH));
267 271
268 // Make the layer then translate. 272 // Make the layer then translate.
269 canvas.drawColor(SK_ColorWHITE); 273 canvas.drawColor(SK_ColorWHITE);
270 canvas.save(); 274 canvas.save();
271 { 275 {
272 LayerSaver layer(canvas, kLayerX, kLayerY, kLayerW, kLayerH); 276 LayerSaver layer(canvas, kLayerX, kLayerY, kLayerW, kLayerH);
273 canvas.translate(1, 1); 277 canvas.translate(1, 1);
274 DrawNativeRect(canvas, kInnerX, kInnerY, kInnerW, kInnerH); 278 DrawNativeRect(canvas, kInnerX, kInnerY, kInnerW, kInnerH);
275 } 279 }
276 canvas.restore(); 280 canvas.restore();
277 EXPECT_TRUE(VerifyBlackSquare(canvas, kInnerX + 1, kInnerY + 1, 281 EXPECT_TRUE(VerifyBlackRect(canvas, kInnerX + 1, kInnerY + 1,
278 kInnerW, kInnerH)); 282 kInnerW, kInnerH));
279 283
280 // Translate both before and after, and have a clip. 284 // Translate both before and after, and have a clip.
281 canvas.drawColor(SK_ColorWHITE); 285 canvas.drawColor(SK_ColorWHITE);
282 canvas.save(); 286 canvas.save();
283 canvas.translate(1, 1); 287 canvas.translate(1, 1);
284 { 288 {
285 LayerSaver layer(canvas, kLayerX, kLayerY, kLayerW, kLayerH); 289 LayerSaver layer(canvas, kLayerX, kLayerY, kLayerW, kLayerH);
286 canvas.translate(1, 1); 290 canvas.translate(1, 1);
287 AddClip(canvas, kInnerX, kInnerY, kInnerW, kInnerH); 291 AddClip(canvas, kInnerX, kInnerY, kInnerW, kInnerH);
288 DrawNativeRect(canvas, 0, 0, 100, 100); 292 DrawNativeRect(canvas, 0, 0, 100, 100);
289 } 293 }
290 canvas.restore(); 294 canvas.restore();
291 EXPECT_TRUE(VerifyBlackSquare(canvas, kInnerX + 2, kInnerY + 2, 295 EXPECT_TRUE(VerifyBlackRect(canvas, kInnerX + 2, kInnerY + 2,
292 kInnerW, kInnerH)); 296 kInnerW, kInnerH));
293 } 297 }
294 298
295 } // namespace skia 299 } // namespace skia
296
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