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| 1 // Copyright 2013 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "base/compiler_specific.h" | |
| 6 #include "skia/ext/analysis_canvas.h" | |
| 7 #include "skia/ext/refptr.h" | |
| 8 #include "testing/gtest/include/gtest/gtest.h" | |
| 9 #include "third_party/skia/include/core/SkPicture.h" | |
| 10 #include "third_party/skia/include/core/SkPictureRecorder.h" | |
| 11 #include "third_party/skia/include/core/SkShader.h" | |
| 12 #include "third_party/skia/include/effects/SkOffsetImageFilter.h" | |
| 13 | |
| 14 namespace { | |
| 15 | |
| 16 void SolidColorFill(skia::AnalysisCanvas& canvas) { | |
| 17 canvas.clear(SkColorSetARGB(255, 255, 255, 255)); | |
| 18 } | |
| 19 | |
| 20 void TransparentFill(skia::AnalysisCanvas& canvas) { | |
| 21 canvas.clear(SkColorSetARGB(0, 0, 0, 0)); | |
| 22 } | |
| 23 | |
| 24 } // namespace | |
| 25 namespace skia { | |
| 26 | |
| 27 TEST(AnalysisCanvasTest, EmptyCanvas) { | |
| 28 skia::AnalysisCanvas canvas(255, 255); | |
| 29 | |
| 30 SkColor color; | |
| 31 EXPECT_TRUE(canvas.GetColorIfSolid(&color)); | |
| 32 EXPECT_EQ(color, SkColorSetARGB(0, 0, 0, 0)); | |
| 33 } | |
| 34 | |
| 35 TEST(AnalysisCanvasTest, ClearCanvas) { | |
| 36 skia::AnalysisCanvas canvas(255, 255); | |
| 37 | |
| 38 // Transparent color | |
| 39 SkColor color = SkColorSetARGB(0, 12, 34, 56); | |
| 40 canvas.clear(color); | |
| 41 | |
| 42 SkColor outputColor; | |
| 43 EXPECT_TRUE(canvas.GetColorIfSolid(&outputColor)); | |
| 44 EXPECT_EQ(static_cast<SkColor>(SK_ColorTRANSPARENT), outputColor); | |
| 45 | |
| 46 // Solid color | |
| 47 color = SkColorSetARGB(255, 65, 43, 21); | |
| 48 canvas.clear(color); | |
| 49 | |
| 50 EXPECT_TRUE(canvas.GetColorIfSolid(&outputColor)); | |
| 51 EXPECT_NE(static_cast<SkColor>(SK_ColorTRANSPARENT), outputColor); | |
| 52 EXPECT_EQ(outputColor, color); | |
| 53 | |
| 54 // Translucent color | |
| 55 color = SkColorSetARGB(128, 11, 22, 33); | |
| 56 canvas.clear(color); | |
| 57 | |
| 58 EXPECT_FALSE(canvas.GetColorIfSolid(&outputColor)); | |
| 59 | |
| 60 // Test helper methods | |
| 61 SolidColorFill(canvas); | |
| 62 EXPECT_TRUE(canvas.GetColorIfSolid(&outputColor)); | |
| 63 EXPECT_NE(static_cast<SkColor>(SK_ColorTRANSPARENT), outputColor); | |
| 64 | |
| 65 TransparentFill(canvas); | |
| 66 EXPECT_TRUE(canvas.GetColorIfSolid(&outputColor)); | |
| 67 EXPECT_EQ(static_cast<SkColor>(SK_ColorTRANSPARENT), outputColor); | |
| 68 } | |
| 69 | |
| 70 TEST(AnalysisCanvasTest, ComplexActions) { | |
| 71 skia::AnalysisCanvas canvas(255, 255); | |
| 72 | |
| 73 // Draw paint test. | |
| 74 SkColor color = SkColorSetARGB(255, 11, 22, 33); | |
| 75 SkPaint paint; | |
| 76 paint.setColor(color); | |
| 77 | |
| 78 canvas.drawPaint(paint); | |
| 79 | |
| 80 SkColor outputColor; | |
| 81 EXPECT_TRUE(canvas.GetColorIfSolid(&outputColor)); | |
| 82 | |
| 83 // Draw points test. | |
| 84 SkPoint points[4] = { | |
| 85 SkPoint::Make(0, 0), | |
| 86 SkPoint::Make(255, 0), | |
| 87 SkPoint::Make(255, 255), | |
| 88 SkPoint::Make(0, 255) | |
| 89 }; | |
| 90 | |
| 91 SolidColorFill(canvas); | |
| 92 canvas.drawPoints(SkCanvas::kLines_PointMode, 4, points, paint); | |
| 93 | |
| 94 EXPECT_FALSE(canvas.GetColorIfSolid(&outputColor)); | |
| 95 | |
| 96 // Draw oval test. | |
| 97 SolidColorFill(canvas); | |
| 98 canvas.drawOval(SkRect::MakeWH(255, 255), paint); | |
| 99 | |
| 100 EXPECT_FALSE(canvas.GetColorIfSolid(&outputColor)); | |
| 101 | |
| 102 // Draw bitmap test. | |
| 103 SolidColorFill(canvas); | |
| 104 SkBitmap secondBitmap; | |
| 105 secondBitmap.allocN32Pixels(255, 255); | |
| 106 canvas.drawBitmap(secondBitmap, 0, 0); | |
| 107 | |
| 108 EXPECT_FALSE(canvas.GetColorIfSolid(&outputColor)); | |
| 109 } | |
| 110 | |
| 111 TEST(AnalysisCanvasTest, SimpleDrawRect) { | |
| 112 skia::AnalysisCanvas canvas(255, 255); | |
| 113 | |
| 114 SkColor color = SkColorSetARGB(255, 11, 22, 33); | |
| 115 SkPaint paint; | |
| 116 paint.setColor(color); | |
| 117 canvas.clipRect(SkRect::MakeWH(255, 255)); | |
| 118 canvas.drawRect(SkRect::MakeWH(255, 255), paint); | |
| 119 | |
| 120 SkColor outputColor; | |
| 121 EXPECT_TRUE(canvas.GetColorIfSolid(&outputColor)); | |
| 122 EXPECT_NE(static_cast<SkColor>(SK_ColorTRANSPARENT), outputColor); | |
| 123 EXPECT_EQ(color, outputColor); | |
| 124 | |
| 125 color = SkColorSetARGB(255, 22, 33, 44); | |
| 126 paint.setColor(color); | |
| 127 canvas.translate(-128, -128); | |
| 128 canvas.drawRect(SkRect::MakeWH(382, 382), paint); | |
| 129 | |
| 130 EXPECT_FALSE(canvas.GetColorIfSolid(&outputColor)); | |
| 131 | |
| 132 color = SkColorSetARGB(255, 33, 44, 55); | |
| 133 paint.setColor(color); | |
| 134 canvas.drawRect(SkRect::MakeWH(383, 383), paint); | |
| 135 | |
| 136 EXPECT_TRUE(canvas.GetColorIfSolid(&outputColor)); | |
| 137 EXPECT_NE(static_cast<SkColor>(SK_ColorTRANSPARENT), outputColor); | |
| 138 EXPECT_EQ(color, outputColor); | |
| 139 | |
| 140 color = SkColorSetARGB(0, 0, 0, 0); | |
| 141 paint.setColor(color); | |
| 142 canvas.drawRect(SkRect::MakeWH(383, 383), paint); | |
| 143 | |
| 144 // This test relies on canvas treating a paint with 0-color as a no-op | |
| 145 // thus not changing its "is_solid" status. | |
| 146 EXPECT_TRUE(canvas.GetColorIfSolid(&outputColor)); | |
| 147 EXPECT_NE(static_cast<SkColor>(SK_ColorTRANSPARENT), outputColor); | |
| 148 EXPECT_EQ(outputColor, SkColorSetARGB(255, 33, 44, 55)); | |
| 149 | |
| 150 color = SkColorSetARGB(128, 128, 128, 128); | |
| 151 paint.setColor(color); | |
| 152 canvas.drawRect(SkRect::MakeWH(383, 383), paint); | |
| 153 | |
| 154 EXPECT_FALSE(canvas.GetColorIfSolid(&outputColor)); | |
| 155 | |
| 156 paint.setXfermodeMode(SkXfermode::kClear_Mode); | |
| 157 canvas.drawRect(SkRect::MakeWH(382, 382), paint); | |
| 158 | |
| 159 EXPECT_FALSE(canvas.GetColorIfSolid(&outputColor)); | |
| 160 | |
| 161 canvas.drawRect(SkRect::MakeWH(383, 383), paint); | |
| 162 | |
| 163 EXPECT_TRUE(canvas.GetColorIfSolid(&outputColor)); | |
| 164 EXPECT_EQ(static_cast<SkColor>(SK_ColorTRANSPARENT), outputColor); | |
| 165 | |
| 166 canvas.translate(128, 128); | |
| 167 color = SkColorSetARGB(255, 11, 22, 33); | |
| 168 paint.setColor(color); | |
| 169 paint.setXfermodeMode(SkXfermode::kSrcOver_Mode); | |
| 170 canvas.drawRect(SkRect::MakeWH(255, 255), paint); | |
| 171 | |
| 172 EXPECT_TRUE(canvas.GetColorIfSolid(&outputColor)); | |
| 173 EXPECT_NE(static_cast<SkColor>(SK_ColorTRANSPARENT), outputColor); | |
| 174 EXPECT_EQ(color, outputColor); | |
| 175 | |
| 176 canvas.rotate(50); | |
| 177 canvas.drawRect(SkRect::MakeWH(255, 255), paint); | |
| 178 | |
| 179 EXPECT_FALSE(canvas.GetColorIfSolid(&outputColor)); | |
| 180 } | |
| 181 | |
| 182 TEST(AnalysisCanvasTest, FilterPaint) { | |
| 183 skia::AnalysisCanvas canvas(255, 255); | |
| 184 SkPaint paint; | |
| 185 | |
| 186 skia::RefPtr<SkImageFilter> filter = skia::AdoptRef(SkOffsetImageFilter::Creat
e(10, 10)); | |
| 187 paint.setImageFilter(filter.get()); | |
| 188 canvas.drawRect(SkRect::MakeWH(255, 255), paint); | |
| 189 | |
| 190 SkColor outputColor; | |
| 191 EXPECT_FALSE(canvas.GetColorIfSolid(&outputColor)); | |
| 192 } | |
| 193 | |
| 194 TEST(AnalysisCanvasTest, ClipPath) { | |
| 195 skia::AnalysisCanvas canvas(255, 255); | |
| 196 | |
| 197 // Skia will look for paths that are actually rects and treat | |
| 198 // them as such. We add a divot to the following path to prevent | |
| 199 // this optimization and truly test clipPath's behavior. | |
| 200 SkPath path; | |
| 201 path.moveTo(0, 0); | |
| 202 path.lineTo(128, 50); | |
| 203 path.lineTo(255, 0); | |
| 204 path.lineTo(255, 255); | |
| 205 path.lineTo(0, 255); | |
| 206 | |
| 207 SkColor outputColor; | |
| 208 SolidColorFill(canvas); | |
| 209 canvas.clipPath(path); | |
| 210 EXPECT_FALSE(canvas.GetColorIfSolid(&outputColor)); | |
| 211 | |
| 212 canvas.save(); | |
| 213 EXPECT_FALSE(canvas.GetColorIfSolid(&outputColor)); | |
| 214 | |
| 215 canvas.clipPath(path); | |
| 216 EXPECT_FALSE(canvas.GetColorIfSolid(&outputColor)); | |
| 217 | |
| 218 canvas.restore(); | |
| 219 EXPECT_FALSE(canvas.GetColorIfSolid(&outputColor)); | |
| 220 | |
| 221 SolidColorFill(canvas); | |
| 222 EXPECT_FALSE(canvas.GetColorIfSolid(&outputColor)); | |
| 223 } | |
| 224 | |
| 225 TEST(AnalysisCanvasTest, SaveLayerWithXfermode) { | |
| 226 skia::AnalysisCanvas canvas(255, 255); | |
| 227 SkRect bounds = SkRect::MakeWH(255, 255); | |
| 228 SkColor outputColor; | |
| 229 | |
| 230 EXPECT_TRUE(canvas.GetColorIfSolid(&outputColor)); | |
| 231 EXPECT_EQ(static_cast<SkColor>(SK_ColorTRANSPARENT), outputColor); | |
| 232 SkPaint paint; | |
| 233 | |
| 234 // Note: nothing is draw to the the save layer, but solid color | |
| 235 // and transparency are handled conservatively in case the layer's | |
| 236 // SkPaint draws something. For example, there could be an | |
| 237 // SkPictureImageFilter. If someday analysis_canvas starts doing | |
| 238 // a deeper analysis of the SkPaint, this test may need to be | |
| 239 // redesigned. | |
| 240 TransparentFill(canvas); | |
| 241 EXPECT_TRUE(canvas.GetColorIfSolid(&outputColor)); | |
| 242 EXPECT_EQ(static_cast<SkColor>(SK_ColorTRANSPARENT), outputColor); | |
| 243 paint.setXfermodeMode(SkXfermode::kSrc_Mode); | |
| 244 canvas.saveLayer(&bounds, &paint); | |
| 245 canvas.restore(); | |
| 246 EXPECT_FALSE(canvas.GetColorIfSolid(&outputColor)); | |
| 247 | |
| 248 TransparentFill(canvas); | |
| 249 EXPECT_TRUE(canvas.GetColorIfSolid(&outputColor)); | |
| 250 EXPECT_EQ(static_cast<SkColor>(SK_ColorTRANSPARENT), outputColor); | |
| 251 paint.setXfermodeMode(SkXfermode::kSrcOver_Mode); | |
| 252 canvas.saveLayer(&bounds, &paint); | |
| 253 canvas.restore(); | |
| 254 EXPECT_FALSE(canvas.GetColorIfSolid(&outputColor)); | |
| 255 | |
| 256 // Layer with dst xfermode is a no-op, so this is the only case | |
| 257 // where solid color is unaffected by the layer. | |
| 258 TransparentFill(canvas); | |
| 259 EXPECT_TRUE(canvas.GetColorIfSolid(&outputColor)); | |
| 260 EXPECT_EQ(static_cast<SkColor>(SK_ColorTRANSPARENT), outputColor); | |
| 261 paint.setXfermodeMode(SkXfermode::kDst_Mode); | |
| 262 canvas.saveLayer(&bounds, &paint); | |
| 263 canvas.restore(); | |
| 264 EXPECT_TRUE(canvas.GetColorIfSolid(&outputColor)); | |
| 265 EXPECT_EQ(static_cast<SkColor>(SK_ColorTRANSPARENT), outputColor); | |
| 266 } | |
| 267 | |
| 268 TEST(AnalysisCanvasTest, SaveLayerRestore) { | |
| 269 skia::AnalysisCanvas canvas(255, 255); | |
| 270 | |
| 271 SkColor outputColor; | |
| 272 SolidColorFill(canvas); | |
| 273 EXPECT_TRUE(canvas.GetColorIfSolid(&outputColor)); | |
| 274 | |
| 275 SkRect bounds = SkRect::MakeWH(255, 255); | |
| 276 SkPaint paint; | |
| 277 paint.setColor(SkColorSetARGB(255, 255, 255, 255)); | |
| 278 paint.setXfermodeMode(SkXfermode::kSrcOver_Mode); | |
| 279 | |
| 280 // This should force non-transparency | |
| 281 canvas.saveLayer(&bounds, &paint); | |
| 282 EXPECT_TRUE(canvas.GetColorIfSolid(&outputColor)); | |
| 283 EXPECT_NE(static_cast<SkColor>(SK_ColorTRANSPARENT), outputColor); | |
| 284 | |
| 285 TransparentFill(canvas); | |
| 286 EXPECT_FALSE(canvas.GetColorIfSolid(&outputColor)); | |
| 287 | |
| 288 SolidColorFill(canvas); | |
| 289 EXPECT_TRUE(canvas.GetColorIfSolid(&outputColor)); | |
| 290 EXPECT_NE(static_cast<SkColor>(SK_ColorTRANSPARENT), outputColor); | |
| 291 | |
| 292 paint.setXfermodeMode(SkXfermode::kDst_Mode); | |
| 293 | |
| 294 // This should force non-solid color | |
| 295 canvas.saveLayer(&bounds, &paint); | |
| 296 EXPECT_FALSE(canvas.GetColorIfSolid(&outputColor)); | |
| 297 | |
| 298 TransparentFill(canvas); | |
| 299 EXPECT_FALSE(canvas.GetColorIfSolid(&outputColor)); | |
| 300 | |
| 301 SolidColorFill(canvas); | |
| 302 EXPECT_FALSE(canvas.GetColorIfSolid(&outputColor)); | |
| 303 | |
| 304 canvas.restore(); | |
| 305 EXPECT_FALSE(canvas.GetColorIfSolid(&outputColor)); | |
| 306 | |
| 307 TransparentFill(canvas); | |
| 308 EXPECT_FALSE(canvas.GetColorIfSolid(&outputColor)); | |
| 309 | |
| 310 SolidColorFill(canvas); | |
| 311 EXPECT_TRUE(canvas.GetColorIfSolid(&outputColor)); | |
| 312 EXPECT_NE(static_cast<SkColor>(SK_ColorTRANSPARENT), outputColor); | |
| 313 | |
| 314 canvas.restore(); | |
| 315 EXPECT_TRUE(canvas.GetColorIfSolid(&outputColor)); | |
| 316 EXPECT_NE(static_cast<SkColor>(SK_ColorTRANSPARENT), outputColor); | |
| 317 | |
| 318 TransparentFill(canvas); | |
| 319 EXPECT_TRUE(canvas.GetColorIfSolid(&outputColor)); | |
| 320 EXPECT_EQ(static_cast<SkColor>(SK_ColorTRANSPARENT), outputColor); | |
| 321 | |
| 322 SolidColorFill(canvas); | |
| 323 EXPECT_TRUE(canvas.GetColorIfSolid(&outputColor)); | |
| 324 EXPECT_NE(static_cast<SkColor>(SK_ColorTRANSPARENT), outputColor); | |
| 325 } | |
| 326 | |
| 327 TEST(AnalysisCanvasTest, EarlyOutNotSolid) { | |
| 328 SkRTreeFactory factory; | |
| 329 SkPictureRecorder recorder; | |
| 330 | |
| 331 // Create a picture with 3 commands, last of which is non-solid. | |
| 332 skia::RefPtr<SkCanvas> record_canvas = | |
| 333 skia::SharePtr(recorder.beginRecording(256, 256, &factory)); | |
| 334 | |
| 335 std::string text = "text"; | |
| 336 SkPoint point = SkPoint::Make(SkIntToScalar(25), SkIntToScalar(25)); | |
| 337 | |
| 338 SkPaint paint; | |
| 339 paint.setColor(SkColorSetARGB(255, 255, 255, 255)); | |
| 340 paint.setXfermodeMode(SkXfermode::kSrcOver_Mode); | |
| 341 | |
| 342 record_canvas->drawRect(SkRect::MakeWH(256, 256), paint); | |
| 343 record_canvas->drawRect(SkRect::MakeWH(256, 256), paint); | |
| 344 record_canvas->drawText( | |
| 345 text.c_str(), text.length(), point.fX, point.fY, paint); | |
| 346 | |
| 347 skia::RefPtr<SkPicture> picture = skia::AdoptRef(recorder.endRecording()); | |
| 348 | |
| 349 // Draw the picture into the analysis canvas, using the canvas as a callback | |
| 350 // as well. | |
| 351 skia::AnalysisCanvas canvas(256, 256); | |
| 352 picture->playback(&canvas, &canvas); | |
| 353 | |
| 354 // Ensure that canvas is not solid. | |
| 355 SkColor output_color; | |
| 356 EXPECT_FALSE(canvas.GetColorIfSolid(&output_color)); | |
| 357 | |
| 358 // Verify that we aborted drawing. | |
| 359 EXPECT_TRUE(canvas.abortDrawing()); | |
| 360 | |
| 361 } | |
| 362 | |
| 363 TEST(AnalysisCanvasTest, ClipComplexRegion) { | |
| 364 skia::AnalysisCanvas canvas(255, 255); | |
| 365 | |
| 366 SkPath path; | |
| 367 path.moveTo(0, 0); | |
| 368 path.lineTo(128, 50); | |
| 369 path.lineTo(255, 0); | |
| 370 path.lineTo(255, 255); | |
| 371 path.lineTo(0, 255); | |
| 372 SkIRect pathBounds = path.getBounds().round(); | |
| 373 SkRegion region; | |
| 374 region.setPath(path, SkRegion(pathBounds)); | |
| 375 | |
| 376 SkColor outputColor; | |
| 377 SolidColorFill(canvas); | |
| 378 canvas.clipRegion(region); | |
| 379 EXPECT_FALSE(canvas.GetColorIfSolid(&outputColor)); | |
| 380 | |
| 381 canvas.save(); | |
| 382 EXPECT_FALSE(canvas.GetColorIfSolid(&outputColor)); | |
| 383 | |
| 384 canvas.clipRegion(region); | |
| 385 EXPECT_FALSE(canvas.GetColorIfSolid(&outputColor)); | |
| 386 | |
| 387 canvas.restore(); | |
| 388 EXPECT_FALSE(canvas.GetColorIfSolid(&outputColor)); | |
| 389 | |
| 390 SolidColorFill(canvas); | |
| 391 EXPECT_FALSE(canvas.GetColorIfSolid(&outputColor)); | |
| 392 } | |
| 393 | |
| 394 } // namespace skia | |
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Chromium Code Reviews
Issue 1519243002:
Remove many unused files from //skia/ext (Closed)
Base URL: git@github.com:domokit/mojo.git@master