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| 1 /* | |
| 2 * Copyright (C) 2012 Google Inc. All rights reserved. | |
| 3 * | |
| 4 * Redistribution and use in source and binary forms, with or without | |
| 5 * modification, are permitted provided that the following conditions | |
| 6 * are met: | |
| 7 * 1. Redistributions of source code must retain the above copyright | |
| 8 * notice, this list of conditions and the following disclaimer. | |
| 9 * 2. Redistributions in binary form must reproduce the above copyright | |
| 10 * notice, this list of conditions and the following disclaimer in the | |
| 11 * documentation and/or other materials provided with the distribution. | |
| 12 * | |
| 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND AN
Y | |
| 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED | |
| 15 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE | |
| 16 * DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR AN
Y | |
| 17 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES | |
| 18 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | |
| 19 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND O
N | |
| 20 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
| 21 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS | |
| 22 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
| 23 */ | |
| 24 | |
| 25 #include "config.h" | |
| 26 | |
| 27 #include "platform/graphics/GraphicsContext.h" | |
| 28 | |
| 29 #include "platform/graphics/BitmapImage.h" | |
| 30 #include "platform/graphics/DisplayList.h" | |
| 31 #include "platform/graphics/ImageBuffer.h" | |
| 32 #include "platform/graphics/skia/NativeImageSkia.h" | |
| 33 #include "third_party/skia/include/core/SkBitmap.h" | |
| 34 #include "third_party/skia/include/core/SkCanvas.h" | |
| 35 #include <gtest/gtest.h> | |
| 36 | |
| 37 using namespace WebCore; | |
| 38 | |
| 39 namespace { | |
| 40 | |
| 41 #define EXPECT_EQ_RECT(a, b) \ | |
| 42 EXPECT_EQ(a.x(), b.x()); \ | |
| 43 EXPECT_EQ(a.y(), b.y()); \ | |
| 44 EXPECT_EQ(a.width(), b.width()); \ | |
| 45 EXPECT_EQ(a.height(), b.height()); | |
| 46 | |
| 47 #define EXPECT_PIXELS_MATCH(bitmap, opaqueRect) \ | |
| 48 { \ | |
| 49 SkAutoLockPixels locker(bitmap); \ | |
| 50 for (int y = opaqueRect.y(); y < opaqueRect.maxY(); ++y) \ | |
| 51 for (int x = opaqueRect.x(); x < opaqueRect.maxX(); ++x) { \ | |
| 52 int alpha = *bitmap.getAddr32(x, y) >> 24; \ | |
| 53 EXPECT_EQ(255, alpha); \ | |
| 54 } \ | |
| 55 } | |
| 56 | |
| 57 #define EXPECT_PIXELS_MATCH_EXACT(bitmap, opaqueRect) \ | |
| 58 { \ | |
| 59 SkAutoLockPixels locker(bitmap); \ | |
| 60 for (int y = 0; y < bitmap.height(); ++y) \ | |
| 61 for (int x = 0; x < bitmap.width(); ++x) { \ | |
| 62 int alpha = *bitmap.getAddr32(x, y) >> 24; \ | |
| 63 bool opaque = opaqueRect.contains(x, y); \ | |
| 64 EXPECT_EQ(opaque, alpha == 255); \ | |
| 65 } \ | |
| 66 } | |
| 67 | |
| 68 TEST(GraphicsContextTest, trackOpaqueTest) | |
| 69 { | |
| 70 SkBitmap bitmap; | |
| 71 ASSERT_TRUE(bitmap.allocN32Pixels(400, 400)); | |
| 72 bitmap.eraseColor(0); | |
| 73 SkCanvas canvas(bitmap); | |
| 74 | |
| 75 GraphicsContext context(&canvas); | |
| 76 context.setTrackOpaqueRegion(true); | |
| 77 | |
| 78 Color opaque(1.0f, 0.0f, 0.0f, 1.0f); | |
| 79 Color alpha(0.0f, 0.0f, 0.0f, 0.0f); | |
| 80 | |
| 81 context.fillRect(FloatRect(10, 10, 90, 90), opaque, CompositeSourceOver); | |
| 82 EXPECT_EQ_RECT(IntRect(10, 10, 90, 90), context.opaqueRegion().asRect()); | |
| 83 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 84 | |
| 85 context.fillRect(FloatRect(10, 10, 90, 90), alpha, CompositeSourceOver); | |
| 86 EXPECT_EQ_RECT(IntRect(10, 10, 90, 90), context.opaqueRegion().asRect()); | |
| 87 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 88 | |
| 89 context.fillRect(FloatRect(99, 13, 10, 90), opaque, CompositePlusLighter); | |
| 90 EXPECT_EQ_RECT(IntRect(10, 10, 90, 90), context.opaqueRegion().asRect()); | |
| 91 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 92 | |
| 93 context.fillRect(FloatRect(99, 13, 10, 90), opaque, CompositeSourceIn); | |
| 94 EXPECT_EQ_RECT(IntRect(10, 10, 90, 90), context.opaqueRegion().asRect()); | |
| 95 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 96 | |
| 97 context.fillRect(FloatRect(99, 13, 10, 90), alpha, CompositeSourceIn); | |
| 98 EXPECT_EQ_RECT(IntRect(10, 10, 89, 90), context.opaqueRegion().asRect()); | |
| 99 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 100 | |
| 101 context.fillRect(FloatRect(8, 8, 3, 90), opaque, CompositeSourceOut); | |
| 102 EXPECT_EQ_RECT(IntRect(11, 10, 88, 90), context.opaqueRegion().asRect()); | |
| 103 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 104 | |
| 105 context.fillRect(FloatRect(30, 30, 290, 290), opaque, CompositeSourceOver); | |
| 106 EXPECT_EQ_RECT(IntRect(30, 30, 290, 290), context.opaqueRegion().asRect()); | |
| 107 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 108 | |
| 109 context.fillRect(FloatRect(40, 20, 290, 50), opaque, CompositeSourceOver); | |
| 110 EXPECT_EQ_RECT(IntRect(30, 30, 290, 290), context.opaqueRegion().asRect()); | |
| 111 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 112 | |
| 113 context.fillRect(FloatRect(10, 10, 390, 50), opaque, CompositeSourceIn); | |
| 114 EXPECT_EQ_RECT(IntRect(30, 30, 290, 290), context.opaqueRegion().asRect()); | |
| 115 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 116 | |
| 117 context.fillRect(FloatRect(10, 10, 390, 50), alpha); | |
| 118 EXPECT_EQ_RECT(IntRect(30, 30, 290, 290), context.opaqueRegion().asRect()); | |
| 119 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 120 | |
| 121 context.fillRect(FloatRect(10, 10, 390, 50), opaque, CompositeSourceOver); | |
| 122 EXPECT_EQ_RECT(IntRect(30, 10, 290, 310), context.opaqueRegion().asRect()); | |
| 123 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 124 } | |
| 125 | |
| 126 TEST(GraphicsContextTest, trackOpaqueClipTest) | |
| 127 { | |
| 128 SkBitmap bitmap; | |
| 129 ASSERT_TRUE(bitmap.allocN32Pixels(400, 400)); | |
| 130 SkCanvas canvas(bitmap); | |
| 131 | |
| 132 GraphicsContext context(&canvas); | |
| 133 context.setTrackOpaqueRegion(true); | |
| 134 | |
| 135 Color opaque(1.0f, 0.0f, 0.0f, 1.0f); | |
| 136 Color alpha(0.0f, 0.0f, 0.0f, 0.0f); | |
| 137 | |
| 138 context.fillRect(FloatRect(10, 10, 90, 90), opaque, CompositeSourceOver); | |
| 139 EXPECT_EQ_RECT(IntRect(10, 10, 90, 90), context.opaqueRegion().asRect()); | |
| 140 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 141 | |
| 142 context.clearRect(FloatRect(10, 10, 90, 90)); | |
| 143 EXPECT_EQ_RECT(IntRect(), context.opaqueRegion().asRect()); | |
| 144 | |
| 145 context.save(); | |
| 146 context.clip(FloatRect(0, 0, 10, 10)); | |
| 147 context.fillRect(FloatRect(10, 10, 90, 90), opaque, CompositeSourceOver); | |
| 148 EXPECT_EQ_RECT(IntRect(), context.opaqueRegion().asRect()); | |
| 149 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 150 context.restore(); | |
| 151 | |
| 152 context.clearRect(FloatRect(10, 10, 90, 90)); | |
| 153 EXPECT_EQ_RECT(IntRect(), context.opaqueRegion().asRect()); | |
| 154 | |
| 155 context.save(); | |
| 156 context.clip(FloatRect(20, 20, 10, 10)); | |
| 157 context.fillRect(FloatRect(10, 10, 90, 90), opaque, CompositeSourceOver); | |
| 158 EXPECT_EQ_RECT(IntRect(20, 20, 10, 10), context.opaqueRegion().asRect()); | |
| 159 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 160 | |
| 161 context.clearRect(FloatRect(10, 10, 90, 90)); | |
| 162 EXPECT_EQ_RECT(IntRect(), context.opaqueRegion().asRect()); | |
| 163 | |
| 164 // The intersection of the two clips becomes empty. | |
| 165 context.clip(FloatRect(30, 20, 10, 10)); | |
| 166 context.fillRect(FloatRect(10, 10, 90, 90), opaque, CompositeSourceOver); | |
| 167 EXPECT_EQ_RECT(IntRect(), context.opaqueRegion().asRect()); | |
| 168 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 169 context.restore(); | |
| 170 | |
| 171 context.clearRect(FloatRect(10, 10, 90, 90)); | |
| 172 EXPECT_EQ_RECT(IntRect(), context.opaqueRegion().asRect()); | |
| 173 | |
| 174 // The transform and the clip need to interact correctly (transform first) | |
| 175 context.save(); | |
| 176 context.translate(10, 10); | |
| 177 context.clip(FloatRect(20, 20, 10, 10)); | |
| 178 context.fillRect(FloatRect(10, 10, 90, 90), opaque, CompositeSourceOver); | |
| 179 EXPECT_EQ_RECT(IntRect(30, 30, 10, 10), context.opaqueRegion().asRect()); | |
| 180 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 181 context.restore(); | |
| 182 | |
| 183 context.clearRect(FloatRect(10, 10, 90, 90)); | |
| 184 EXPECT_EQ_RECT(IntRect(), context.opaqueRegion().asRect()); | |
| 185 | |
| 186 // The transform and the clip need to interact correctly (clip first) | |
| 187 context.save(); | |
| 188 context.clip(FloatRect(20, 20, 10, 10)); | |
| 189 context.translate(10, 10); | |
| 190 context.fillRect(FloatRect(10, 10, 90, 90), opaque, CompositeSourceOver); | |
| 191 EXPECT_EQ_RECT(IntRect(20, 20, 10, 10), context.opaqueRegion().asRect()); | |
| 192 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 193 context.restore(); | |
| 194 | |
| 195 context.clearRect(FloatRect(10, 10, 90, 90)); | |
| 196 EXPECT_EQ_RECT(IntRect(), context.opaqueRegion().asRect()); | |
| 197 | |
| 198 Path path; | |
| 199 path.moveTo(FloatPoint(0, 0)); | |
| 200 path.addLineTo(FloatPoint(100, 0)); | |
| 201 | |
| 202 // Non-rectangular clips just cause the paint to be considered non-opaque. | |
| 203 context.save(); | |
| 204 context.clipPath(path, RULE_EVENODD); | |
| 205 context.fillRect(FloatRect(10, 10, 90, 90), opaque, CompositeSourceOver); | |
| 206 EXPECT_EQ_RECT(IntRect(), context.opaqueRegion().asRect()); | |
| 207 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 208 context.restore(); | |
| 209 | |
| 210 // Another non-rectangular clip. | |
| 211 context.save(); | |
| 212 context.clip(IntRect(30, 30, 20, 20)); | |
| 213 context.clipOut(IntRect(30, 30, 10, 10)); | |
| 214 context.fillRect(FloatRect(10, 10, 90, 90), opaque, CompositeSourceOver); | |
| 215 EXPECT_EQ_RECT(IntRect(), context.opaqueRegion().asRect()); | |
| 216 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 217 context.restore(); | |
| 218 } | |
| 219 | |
| 220 TEST(GraphicsContextTest, trackImageMask) | |
| 221 { | |
| 222 SkBitmap bitmap; | |
| 223 ASSERT_TRUE(bitmap.allocN32Pixels(400, 400)); | |
| 224 bitmap.eraseColor(0); | |
| 225 SkCanvas canvas(bitmap); | |
| 226 | |
| 227 GraphicsContext context(&canvas); | |
| 228 context.setTrackOpaqueRegion(true); | |
| 229 | |
| 230 Color opaque(1.0f, 0.0f, 0.0f, 1.0f); | |
| 231 Color alpha(0.0f, 0.0f, 0.0f, 0.0f); | |
| 232 | |
| 233 // Image masks are done by drawing a bitmap into a transparency layer that u
ses DstIn to mask | |
| 234 // out a transparency layer below that is filled with the mask color. In the
end this should | |
| 235 // not be marked opaque. | |
| 236 | |
| 237 context.setCompositeOperation(CompositeSourceOver); | |
| 238 context.beginTransparencyLayer(1); | |
| 239 context.fillRect(FloatRect(10, 10, 10, 10), opaque, CompositeSourceOver); | |
| 240 | |
| 241 context.setCompositeOperation(CompositeDestinationIn); | |
| 242 context.beginTransparencyLayer(1); | |
| 243 | |
| 244 OwnPtr<ImageBuffer> alphaImage = ImageBuffer::create(IntSize(100, 100)); | |
| 245 alphaImage->context()->fillRect(IntRect(0, 0, 100, 100), alpha); | |
| 246 | |
| 247 context.setCompositeOperation(CompositeSourceOver); | |
| 248 context.drawImageBuffer(alphaImage.get(), FloatRect(10, 10, 10, 10)); | |
| 249 | |
| 250 context.endLayer(); | |
| 251 context.endLayer(); | |
| 252 | |
| 253 EXPECT_EQ_RECT(IntRect(), context.opaqueRegion().asRect()); | |
| 254 EXPECT_PIXELS_MATCH_EXACT(bitmap, context.opaqueRegion().asRect()); | |
| 255 } | |
| 256 | |
| 257 TEST(GraphicsContextTest, trackImageMaskWithOpaqueRect) | |
| 258 { | |
| 259 SkBitmap bitmap; | |
| 260 ASSERT_TRUE(bitmap.allocN32Pixels(400, 400)); | |
| 261 bitmap.eraseColor(0); | |
| 262 SkCanvas canvas(bitmap); | |
| 263 | |
| 264 GraphicsContext context(&canvas); | |
| 265 context.setTrackOpaqueRegion(true); | |
| 266 | |
| 267 Color opaque(1.0f, 0.0f, 0.0f, 1.0f); | |
| 268 Color alpha(0.0f, 0.0f, 0.0f, 0.0f); | |
| 269 | |
| 270 // Image masks are done by drawing a bitmap into a transparency layer that u
ses DstIn to mask | |
| 271 // out a transparency layer below that is filled with the mask color. In the
end this should | |
| 272 // not be marked opaque. | |
| 273 | |
| 274 context.setCompositeOperation(CompositeSourceOver); | |
| 275 context.beginTransparencyLayer(1); | |
| 276 context.fillRect(FloatRect(10, 10, 10, 10), opaque, CompositeSourceOver); | |
| 277 | |
| 278 context.setCompositeOperation(CompositeDestinationIn); | |
| 279 context.beginTransparencyLayer(1); | |
| 280 | |
| 281 OwnPtr<ImageBuffer> alphaImage = ImageBuffer::create(IntSize(100, 100)); | |
| 282 alphaImage->context()->fillRect(IntRect(0, 0, 100, 100), alpha); | |
| 283 | |
| 284 context.setCompositeOperation(CompositeSourceOver); | |
| 285 context.drawImageBuffer(alphaImage.get(), FloatRect(10, 10, 10, 10)); | |
| 286 | |
| 287 // We can't have an opaque mask actually, but we can pretend here like it wo
uld look if we did. | |
| 288 context.fillRect(FloatRect(12, 12, 3, 3), opaque, CompositeSourceOver); | |
| 289 | |
| 290 context.endLayer(); | |
| 291 context.endLayer(); | |
| 292 | |
| 293 EXPECT_EQ_RECT(IntRect(12, 12, 3, 3), context.opaqueRegion().asRect()); | |
| 294 EXPECT_PIXELS_MATCH_EXACT(bitmap, context.opaqueRegion().asRect()); | |
| 295 } | |
| 296 | |
| 297 TEST(GraphicsContextTest, trackOpaqueJoinTest) | |
| 298 { | |
| 299 SkBitmap bitmap; | |
| 300 ASSERT_TRUE(bitmap.allocN32Pixels(400, 400)); | |
| 301 SkCanvas canvas(bitmap); | |
| 302 | |
| 303 GraphicsContext context(&canvas); | |
| 304 context.setTrackOpaqueRegion(true); | |
| 305 | |
| 306 Color opaque(1.0f, 0.0f, 0.0f, 1.0f); | |
| 307 Color alpha(0.0f, 0.0f, 0.0f, 0.0f); | |
| 308 | |
| 309 context.fillRect(FloatRect(20, 20, 10, 10), opaque, CompositeSourceOver); | |
| 310 EXPECT_EQ_RECT(IntRect(20, 20, 10, 10), context.opaqueRegion().asRect()); | |
| 311 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 312 | |
| 313 // Doesn't join | |
| 314 context.fillRect(FloatRect(31, 20, 10, 10), opaque, CompositeSourceOver); | |
| 315 EXPECT_EQ_RECT(IntRect(20, 20, 10, 10), context.opaqueRegion().asRect()); | |
| 316 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 317 | |
| 318 // Does join | |
| 319 context.fillRect(FloatRect(30, 20, 10, 10), opaque, CompositeSourceOver); | |
| 320 EXPECT_EQ_RECT(IntRect(20, 20, 20, 10), context.opaqueRegion().asRect()); | |
| 321 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 322 | |
| 323 // Doesn't join | |
| 324 context.fillRect(FloatRect(20, 31, 20, 10), opaque, CompositeSourceOver); | |
| 325 EXPECT_EQ_RECT(IntRect(20, 20, 20, 10), context.opaqueRegion().asRect()); | |
| 326 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 327 | |
| 328 // Does join | |
| 329 context.fillRect(FloatRect(20, 30, 20, 10), opaque, CompositeSourceOver); | |
| 330 EXPECT_EQ_RECT(IntRect(20, 20, 20, 20), context.opaqueRegion().asRect()); | |
| 331 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 332 | |
| 333 // Doesn't join | |
| 334 context.fillRect(FloatRect(9, 20, 10, 20), opaque, CompositeSourceOver); | |
| 335 EXPECT_EQ_RECT(IntRect(20, 20, 20, 20), context.opaqueRegion().asRect()); | |
| 336 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 337 | |
| 338 // Does join | |
| 339 context.fillRect(FloatRect(10, 20, 10, 20), opaque, CompositeSourceOver); | |
| 340 EXPECT_EQ_RECT(IntRect(10, 20, 30, 20), context.opaqueRegion().asRect()); | |
| 341 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 342 | |
| 343 // Doesn't join | |
| 344 context.fillRect(FloatRect(10, 9, 30, 10), opaque, CompositeSourceOver); | |
| 345 EXPECT_EQ_RECT(IntRect(10, 20, 30, 20), context.opaqueRegion().asRect()); | |
| 346 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 347 | |
| 348 // Does join | |
| 349 context.fillRect(FloatRect(10, 10, 30, 10), opaque, CompositeSourceOver); | |
| 350 EXPECT_EQ_RECT(IntRect(10, 10, 30, 30), context.opaqueRegion().asRect()); | |
| 351 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 352 } | |
| 353 | |
| 354 TEST(GraphicsContextTest, trackOpaqueLineTest) | |
| 355 { | |
| 356 SkBitmap bitmap; | |
| 357 ASSERT_TRUE(bitmap.allocN32Pixels(200, 200)); | |
| 358 bitmap.eraseColor(0); | |
| 359 SkCanvas canvas(bitmap); | |
| 360 | |
| 361 GraphicsContext context(&canvas); | |
| 362 context.setTrackOpaqueRegion(true); | |
| 363 | |
| 364 Color opaque(1.0f, 0.0f, 0.0f, 1.0f); | |
| 365 Color alpha(0.0f, 0.0f, 0.0f, 0.0f); | |
| 366 | |
| 367 context.setShouldAntialias(false); | |
| 368 context.setMiterLimit(0); | |
| 369 context.setStrokeThickness(4); | |
| 370 context.setLineCap(SquareCap); | |
| 371 context.setStrokeStyle(SolidStroke); | |
| 372 context.setCompositeOperation(CompositeSourceOver); | |
| 373 | |
| 374 context.fillRect(FloatRect(10, 10, 90, 90), opaque, CompositeSourceOver); | |
| 375 EXPECT_EQ_RECT(IntRect(10, 10, 90, 90), context.opaqueRegion().asRect()); | |
| 376 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 377 | |
| 378 context.setCompositeOperation(CompositeSourceIn); | |
| 379 | |
| 380 context.save(); | |
| 381 context.setStrokeColor(alpha); | |
| 382 context.drawLine(IntPoint(0, 0), IntPoint(100, 0)); | |
| 383 context.restore(); | |
| 384 EXPECT_EQ_RECT(IntRect(10, 10, 90, 90), context.opaqueRegion().asRect()); | |
| 385 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 386 | |
| 387 context.save(); | |
| 388 context.setStrokeColor(opaque); | |
| 389 context.drawLine(IntPoint(0, 10), IntPoint(100, 10)); | |
| 390 context.restore(); | |
| 391 EXPECT_EQ_RECT(IntRect(10, 10, 90, 90), context.opaqueRegion().asRect()); | |
| 392 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 393 | |
| 394 context.save(); | |
| 395 context.setStrokeColor(alpha); | |
| 396 context.drawLine(IntPoint(0, 10), IntPoint(100, 10)); | |
| 397 context.restore(); | |
| 398 EXPECT_EQ_RECT(IntRect(10, 13, 90, 87), context.opaqueRegion().asRect()); | |
| 399 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 400 | |
| 401 context.save(); | |
| 402 context.setStrokeColor(alpha); | |
| 403 context.drawLine(IntPoint(0, 11), IntPoint(100, 11)); | |
| 404 context.restore(); | |
| 405 EXPECT_EQ_RECT(IntRect(10, 14, 90, 86), context.opaqueRegion().asRect()); | |
| 406 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 407 | |
| 408 context.setShouldAntialias(true); | |
| 409 context.setCompositeOperation(CompositeSourceOver); | |
| 410 | |
| 411 context.fillRect(FloatRect(10, 10, 90, 90), opaque, CompositeSourceOver); | |
| 412 EXPECT_EQ_RECT(IntRect(10, 10, 90, 90), context.opaqueRegion().asRect()); | |
| 413 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 414 | |
| 415 context.setCompositeOperation(CompositeSourceIn); | |
| 416 | |
| 417 context.save(); | |
| 418 context.setStrokeColor(alpha); | |
| 419 context.drawLine(IntPoint(0, 0), IntPoint(100, 0)); | |
| 420 context.restore(); | |
| 421 EXPECT_EQ_RECT(IntRect(10, 10, 90, 90), context.opaqueRegion().asRect()); | |
| 422 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 423 | |
| 424 context.setShouldAntialias(false); | |
| 425 context.save(); | |
| 426 context.setStrokeColor(opaque); | |
| 427 context.drawLine(IntPoint(0, 10), IntPoint(100, 10)); | |
| 428 context.restore(); | |
| 429 EXPECT_EQ_RECT(IntRect(10, 10, 90, 90), context.opaqueRegion().asRect()); | |
| 430 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 431 | |
| 432 context.setShouldAntialias(true); | |
| 433 context.save(); | |
| 434 context.setStrokeColor(opaque); | |
| 435 context.drawLine(IntPoint(0, 10), IntPoint(100, 10)); | |
| 436 context.restore(); | |
| 437 EXPECT_EQ_RECT(IntRect(10, 13, 90, 87), context.opaqueRegion().asRect()); | |
| 438 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 439 | |
| 440 context.save(); | |
| 441 context.setStrokeColor(alpha); | |
| 442 context.drawLine(IntPoint(0, 11), IntPoint(100, 11)); | |
| 443 context.restore(); | |
| 444 EXPECT_EQ_RECT(IntRect(10, 14, 90, 86), context.opaqueRegion().asRect()); | |
| 445 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 446 } | |
| 447 | |
| 448 TEST(GraphicsContextTest, trackOpaquePathTest) | |
| 449 { | |
| 450 SkBitmap bitmap; | |
| 451 ASSERT_TRUE(bitmap.allocN32Pixels(200, 200)); | |
| 452 SkCanvas canvas(bitmap); | |
| 453 | |
| 454 GraphicsContext context(&canvas); | |
| 455 context.setTrackOpaqueRegion(true); | |
| 456 | |
| 457 Color opaque(1.0f, 0.0f, 0.0f, 1.0f); | |
| 458 Color alpha(0.0f, 0.0f, 0.0f, 0.0f); | |
| 459 | |
| 460 context.fillRect(FloatRect(10, 10, 90, 90), opaque, CompositeSourceOver); | |
| 461 EXPECT_EQ_RECT(IntRect(10, 10, 90, 90), context.opaqueRegion().asRect()); | |
| 462 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 463 | |
| 464 context.setShouldAntialias(false); | |
| 465 context.setMiterLimit(1); | |
| 466 context.setStrokeThickness(5); | |
| 467 context.setLineCap(SquareCap); | |
| 468 context.setStrokeStyle(SolidStroke); | |
| 469 context.setCompositeOperation(CompositeSourceIn); | |
| 470 | |
| 471 Path path; | |
| 472 | |
| 473 context.setFillColor(alpha); | |
| 474 path.moveTo(FloatPoint(0, 0)); | |
| 475 path.addLineTo(FloatPoint(100, 0)); | |
| 476 context.fillPath(path); | |
| 477 EXPECT_EQ_RECT(IntRect(10, 10, 90, 90), context.opaqueRegion().asRect()); | |
| 478 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 479 path.clear(); | |
| 480 | |
| 481 context.setFillColor(opaque); | |
| 482 path.moveTo(FloatPoint(0, 10)); | |
| 483 path.addLineTo(FloatPoint(100, 13)); | |
| 484 context.fillPath(path); | |
| 485 EXPECT_EQ_RECT(IntRect(10, 10, 90, 90), context.opaqueRegion().asRect()); | |
| 486 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 487 path.clear(); | |
| 488 | |
| 489 context.setFillColor(alpha); | |
| 490 path.moveTo(FloatPoint(0, 10)); | |
| 491 path.addLineTo(FloatPoint(100, 13)); | |
| 492 context.fillPath(path); | |
| 493 EXPECT_EQ_RECT(IntRect(10, 13, 90, 87), context.opaqueRegion().asRect()); | |
| 494 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 495 path.clear(); | |
| 496 | |
| 497 context.setFillColor(alpha); | |
| 498 path.moveTo(FloatPoint(0, 14)); | |
| 499 path.addLineTo(FloatPoint(100, 10)); | |
| 500 context.fillPath(path); | |
| 501 EXPECT_EQ_RECT(IntRect(10, 14, 90, 86), context.opaqueRegion().asRect()); | |
| 502 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 503 path.clear(); | |
| 504 } | |
| 505 | |
| 506 TEST(GraphicsContextTest, trackOpaqueImageTest) | |
| 507 { | |
| 508 SkBitmap bitmap; | |
| 509 ASSERT_TRUE(bitmap.allocN32Pixels(200, 200)); | |
| 510 SkCanvas canvas(bitmap); | |
| 511 | |
| 512 GraphicsContext context(&canvas); | |
| 513 context.setTrackOpaqueRegion(true); | |
| 514 | |
| 515 Color opaque(1.0f, 0.0f, 0.0f, 1.0f); | |
| 516 Color alpha(0.0f, 0.0f, 0.0f, 0.0f); | |
| 517 | |
| 518 SkBitmap opaqueBitmap; | |
| 519 ASSERT_TRUE(opaqueBitmap.allocN32Pixels(10, 10, true /* opaque */)); | |
| 520 | |
| 521 for (int y = 0; y < opaqueBitmap.height(); ++y) | |
| 522 for (int x = 0; x < opaqueBitmap.width(); ++x) | |
| 523 *opaqueBitmap.getAddr32(x, y) = 0xFFFFFFFF; | |
| 524 RefPtr<BitmapImage> opaqueImage = BitmapImage::create(NativeImageSkia::creat
e(opaqueBitmap)); | |
| 525 EXPECT_TRUE(opaqueImage->currentFrameKnownToBeOpaque()); | |
| 526 | |
| 527 SkBitmap alphaBitmap; | |
| 528 ASSERT_TRUE(alphaBitmap.allocN32Pixels(10, 10)); | |
| 529 | |
| 530 for (int y = 0; y < alphaBitmap.height(); ++y) | |
| 531 for (int x = 0; x < alphaBitmap.width(); ++x) | |
| 532 *alphaBitmap.getAddr32(x, y) = 0x00000000; | |
| 533 RefPtr<BitmapImage> alphaImage = BitmapImage::create(NativeImageSkia::create
(alphaBitmap)); | |
| 534 EXPECT_FALSE(alphaImage->currentFrameKnownToBeOpaque()); | |
| 535 | |
| 536 context.fillRect(FloatRect(10, 10, 90, 90), opaque, CompositeSourceOver); | |
| 537 EXPECT_EQ_RECT(IntRect(10, 10, 90, 90), context.opaqueRegion().asRect()); | |
| 538 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 539 | |
| 540 context.drawImage(opaqueImage.get(), IntPoint(0, 0)); | |
| 541 EXPECT_EQ_RECT(IntRect(10, 10, 90, 90), context.opaqueRegion().asRect()); | |
| 542 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 543 context.drawImage(alphaImage.get(), IntPoint(0, 0)); | |
| 544 EXPECT_EQ_RECT(IntRect(10, 10, 90, 90), context.opaqueRegion().asRect()); | |
| 545 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 546 | |
| 547 context.drawImage(opaqueImage.get(), IntPoint(5, 5)); | |
| 548 EXPECT_EQ_RECT(IntRect(10, 10, 90, 90), context.opaqueRegion().asRect()); | |
| 549 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 550 context.drawImage(alphaImage.get(), IntPoint(5, 5)); | |
| 551 EXPECT_EQ_RECT(IntRect(10, 10, 90, 90), context.opaqueRegion().asRect()); | |
| 552 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 553 | |
| 554 context.drawImage(opaqueImage.get(), IntPoint(10, 10)); | |
| 555 EXPECT_EQ_RECT(IntRect(10, 10, 90, 90), context.opaqueRegion().asRect()); | |
| 556 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 557 context.drawImage(alphaImage.get(), IntPoint(10, 10)); | |
| 558 EXPECT_EQ_RECT(IntRect(10, 10, 90, 90), context.opaqueRegion().asRect()); | |
| 559 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 560 | |
| 561 context.drawImage(alphaImage.get(), IntPoint(20, 10), CompositeSourceIn); | |
| 562 EXPECT_EQ_RECT(IntRect(10, 20, 90, 80), context.opaqueRegion().asRect()); | |
| 563 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 564 | |
| 565 context.save(); | |
| 566 context.setAlphaAsFloat(0.5); | |
| 567 context.drawImage(opaqueImage.get(), IntPoint(25, 15), CompositeSourceIn); | |
| 568 context.restore(); | |
| 569 EXPECT_EQ_RECT(IntRect(10, 25, 90, 75), context.opaqueRegion().asRect()); | |
| 570 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 571 | |
| 572 context.fillRect(FloatRect(10, 10, 90, 90), opaque, CompositeSourceOver); | |
| 573 EXPECT_EQ_RECT(IntRect(10, 10, 90, 90), context.opaqueRegion().asRect()); | |
| 574 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 575 | |
| 576 context.drawImage(alphaImage.get(), IntPoint(10, 20), CompositeSourceIn); | |
| 577 EXPECT_EQ_RECT(IntRect(20, 10, 80, 90), context.opaqueRegion().asRect()); | |
| 578 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 579 | |
| 580 context.save(); | |
| 581 context.setAlphaAsFloat(0.5); | |
| 582 context.drawImage(opaqueImage.get(), IntPoint(15, 25), CompositeSourceIn); | |
| 583 context.restore(); | |
| 584 EXPECT_EQ_RECT(IntRect(25, 10, 75, 90), context.opaqueRegion().asRect()); | |
| 585 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 586 } | |
| 587 | |
| 588 TEST(GraphicsContextTest, trackOpaqueOvalTest) | |
| 589 { | |
| 590 SkBitmap bitmap; | |
| 591 ASSERT_TRUE(bitmap.allocN32Pixels(200, 200)); | |
| 592 bitmap.eraseColor(0); | |
| 593 SkCanvas canvas(bitmap); | |
| 594 | |
| 595 GraphicsContext context(&canvas); | |
| 596 context.setTrackOpaqueRegion(true); | |
| 597 | |
| 598 Color opaque(1.0f, 0.0f, 0.0f, 1.0f); | |
| 599 Color alpha(0.0f, 0.0f, 0.0f, 0.0f); | |
| 600 | |
| 601 EXPECT_EQ_RECT(IntRect(0, 0, 0, 0), context.opaqueRegion().asRect()); | |
| 602 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 603 | |
| 604 context.drawEllipse(IntRect(10, 10, 90, 90)); | |
| 605 EXPECT_EQ_RECT(IntRect(0, 0, 0, 0), context.opaqueRegion().asRect()); | |
| 606 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 607 | |
| 608 context.fillRect(FloatRect(10, 10, 90, 90), opaque, CompositeSourceOver); | |
| 609 EXPECT_EQ_RECT(IntRect(10, 10, 90, 90), context.opaqueRegion().asRect()); | |
| 610 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 611 | |
| 612 context.setCompositeOperation(CompositeSourceIn); | |
| 613 | |
| 614 context.setShouldAntialias(false); | |
| 615 | |
| 616 context.setFillColor(opaque); | |
| 617 context.drawEllipse(IntRect(10, 10, 50, 30)); | |
| 618 EXPECT_EQ_RECT(IntRect(10, 10, 90, 90), context.opaqueRegion().asRect()); | |
| 619 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 620 | |
| 621 context.setFillColor(alpha); | |
| 622 context.drawEllipse(IntRect(10, 10, 30, 50)); | |
| 623 EXPECT_EQ_RECT(IntRect(40, 10, 60, 90), context.opaqueRegion().asRect()); | |
| 624 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 625 | |
| 626 context.setShouldAntialias(true); | |
| 627 | |
| 628 context.setFillColor(opaque); | |
| 629 context.drawEllipse(IntRect(10, 10, 50, 30)); | |
| 630 EXPECT_EQ_RECT(IntRect(40, 41, 60, 59), context.opaqueRegion().asRect()); | |
| 631 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 632 | |
| 633 context.setFillColor(alpha); | |
| 634 context.drawEllipse(IntRect(20, 10, 30, 50)); | |
| 635 EXPECT_EQ_RECT(IntRect(51, 41, 49, 59), context.opaqueRegion().asRect()); | |
| 636 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 637 } | |
| 638 | |
| 639 TEST(GraphicsContextTest, trackOpaqueRoundedRectTest) | |
| 640 { | |
| 641 SkBitmap bitmap; | |
| 642 ASSERT_TRUE(bitmap.allocN32Pixels(200, 200)); | |
| 643 SkCanvas canvas(bitmap); | |
| 644 | |
| 645 GraphicsContext context(&canvas); | |
| 646 context.setTrackOpaqueRegion(true); | |
| 647 | |
| 648 Color opaque(1.0f, 0.0f, 0.0f, 1.0f); | |
| 649 Color alpha(0.0f, 0.0f, 0.0f, 0.0f); | |
| 650 IntSize radii(10, 10); | |
| 651 | |
| 652 EXPECT_EQ_RECT(IntRect(0, 0, 0, 0), context.opaqueRegion().asRect()); | |
| 653 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 654 | |
| 655 context.fillRoundedRect(IntRect(10, 10, 90, 90), radii, radii, radii, radii,
opaque); | |
| 656 EXPECT_EQ_RECT(IntRect(0, 0, 0, 0), context.opaqueRegion().asRect()); | |
| 657 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 658 | |
| 659 context.fillRect(FloatRect(10, 10, 90, 90), opaque, CompositeSourceOver); | |
| 660 EXPECT_EQ_RECT(IntRect(10, 10, 90, 90), context.opaqueRegion().asRect()); | |
| 661 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 662 | |
| 663 context.setCompositeOperation(CompositeSourceIn); | |
| 664 context.setShouldAntialias(false); | |
| 665 | |
| 666 context.fillRoundedRect(IntRect(10, 10, 50, 30), radii, radii, radii, radii,
opaque); | |
| 667 EXPECT_EQ_RECT(IntRect(10, 10, 90, 90), context.opaqueRegion().asRect()); | |
| 668 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 669 | |
| 670 context.fillRoundedRect(IntRect(10, 10, 30, 50), radii, radii, radii, radii,
alpha); | |
| 671 EXPECT_EQ_RECT(IntRect(40, 10, 60, 90), context.opaqueRegion().asRect()); | |
| 672 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 673 | |
| 674 context.fillRoundedRect(IntRect(10, 0, 50, 30), radii, radii, radii, radii,
alpha); | |
| 675 EXPECT_EQ_RECT(IntRect(40, 30, 60, 70), context.opaqueRegion().asRect()); | |
| 676 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 677 | |
| 678 context.fillRoundedRect(IntRect(30, 0, 70, 50), radii, radii, radii, radii,
opaque); | |
| 679 EXPECT_EQ_RECT(IntRect(40, 30, 60, 70), context.opaqueRegion().asRect()); | |
| 680 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 681 } | |
| 682 | |
| 683 TEST(GraphicsContextTest, trackOpaqueTextTest) | |
| 684 { | |
| 685 int width = 200, height = 200; | |
| 686 SkBitmap bitmap; | |
| 687 ASSERT_TRUE(bitmap.allocN32Pixels(width, height)); | |
| 688 bitmap.eraseColor(0); | |
| 689 SkCanvas canvas(bitmap); | |
| 690 SkRect textRect = SkRect::MakeWH(width, height); | |
| 691 | |
| 692 GraphicsContext context(&canvas); | |
| 693 context.setTrackOpaqueRegion(true); | |
| 694 | |
| 695 Color opaque(1.0f, 0.0f, 0.0f, 1.0f); | |
| 696 Color alpha(0.0f, 0.0f, 0.0f, 0.0f); | |
| 697 | |
| 698 SkPaint opaquePaint; | |
| 699 opaquePaint.setColor(opaque.rgb()); | |
| 700 opaquePaint.setXfermodeMode(SkXfermode::kSrc_Mode); | |
| 701 SkPaint alphaPaint; | |
| 702 alphaPaint.setColor(alpha.rgb()); | |
| 703 alphaPaint.setXfermodeMode(SkXfermode::kSrc_Mode); | |
| 704 | |
| 705 SkPoint point = SkPoint::Make(0, 0); | |
| 706 SkScalar pointX = 0; | |
| 707 SkPath path; | |
| 708 path.moveTo(SkPoint::Make(0, 0)); | |
| 709 path.lineTo(SkPoint::Make(100, 0)); | |
| 710 | |
| 711 context.fillRect(FloatRect(50, 50, 50, 50), opaque, CompositeSourceOver); | |
| 712 EXPECT_EQ_RECT(IntRect(50, 50, 50, 50), context.opaqueRegion().asRect()); | |
| 713 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 714 | |
| 715 context.drawPosText("A", 1, &point, textRect, opaquePaint); | |
| 716 EXPECT_EQ_RECT(IntRect(50, 50, 50, 50), context.opaqueRegion().asRect()); | |
| 717 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 718 | |
| 719 context.drawPosText("A", 1, &point, textRect, alphaPaint); | |
| 720 EXPECT_EQ_RECT(IntRect(0, 0, 0, 0), context.opaqueRegion().asRect()); | |
| 721 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 722 | |
| 723 context.fillRect(FloatRect(50, 50, 50, 50), opaque, CompositeSourceOver); | |
| 724 EXPECT_EQ_RECT(IntRect(50, 50, 50, 50), context.opaqueRegion().asRect()); | |
| 725 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 726 | |
| 727 context.drawPosTextH("A", 1, &pointX, 0, textRect, opaquePaint); | |
| 728 EXPECT_EQ_RECT(IntRect(50, 50, 50, 50), context.opaqueRegion().asRect()); | |
| 729 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 730 | |
| 731 context.drawPosTextH("A", 1, &pointX, 0, textRect, alphaPaint); | |
| 732 EXPECT_EQ_RECT(IntRect(0, 0, 0, 0), context.opaqueRegion().asRect()); | |
| 733 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 734 | |
| 735 context.fillRect(FloatRect(50, 50, 50, 50), opaque, CompositeSourceOver); | |
| 736 EXPECT_EQ_RECT(IntRect(50, 50, 50, 50), context.opaqueRegion().asRect()); | |
| 737 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 738 | |
| 739 context.drawTextOnPath("A", 1, path, textRect, 0, opaquePaint); | |
| 740 EXPECT_EQ_RECT(IntRect(50, 50, 50, 50), context.opaqueRegion().asRect()); | |
| 741 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 742 | |
| 743 context.drawTextOnPath("A", 1, path, textRect, 0, alphaPaint); | |
| 744 EXPECT_EQ_RECT(IntRect(0, 0, 0, 0), context.opaqueRegion().asRect()); | |
| 745 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 746 } | |
| 747 | |
| 748 TEST(GraphicsContextTest, trackOpaqueWritePixelsTest) | |
| 749 { | |
| 750 SkBitmap bitmap; | |
| 751 ASSERT_TRUE(bitmap.allocN32Pixels(200, 200)); | |
| 752 bitmap.eraseColor(0); | |
| 753 SkCanvas canvas(bitmap); | |
| 754 | |
| 755 GraphicsContext context(&canvas); | |
| 756 context.setTrackOpaqueRegion(true); | |
| 757 | |
| 758 Color opaque(1.0f, 0.0f, 0.0f, 1.0f); | |
| 759 | |
| 760 SkBitmap opaqueBitmap; | |
| 761 ASSERT_TRUE(opaqueBitmap.allocN32Pixels(10, 10, true /* opaque */)); | |
| 762 for (int y = 0; y < opaqueBitmap.height(); ++y) | |
| 763 for (int x = 0; x < opaqueBitmap.width(); ++x) | |
| 764 *opaqueBitmap.getAddr32(x, y) = 0xFFFFFFFF; | |
| 765 | |
| 766 SkBitmap alphaBitmap; | |
| 767 ASSERT_TRUE(alphaBitmap.allocN32Pixels(10, 10)); | |
| 768 for (int y = 0; y < alphaBitmap.height(); ++y) | |
| 769 for (int x = 0; x < alphaBitmap.width(); ++x) | |
| 770 *alphaBitmap.getAddr32(x, y) = 0x00000000; | |
| 771 | |
| 772 SkPaint paint; | |
| 773 paint.setXfermodeMode(SkXfermode::kSrc_Mode); | |
| 774 | |
| 775 context.writePixels(opaqueBitmap, 50, 50); | |
| 776 EXPECT_EQ_RECT(IntRect(50, 50, 10, 10), context.opaqueRegion().asRect()); | |
| 777 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 778 | |
| 779 context.fillRect(FloatRect(10, 10, 90, 90), opaque, CompositeSourceOver); | |
| 780 EXPECT_EQ_RECT(IntRect(10, 10, 90, 90), context.opaqueRegion().asRect()); | |
| 781 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 782 | |
| 783 context.writePixels(alphaBitmap, 10, 0); | |
| 784 EXPECT_EQ_RECT(IntRect(10, 10, 90, 90), context.opaqueRegion().asRect()); | |
| 785 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 786 | |
| 787 context.writePixels(alphaBitmap, 10, 1); | |
| 788 EXPECT_EQ_RECT(IntRect(10, 11, 90, 89), context.opaqueRegion().asRect()); | |
| 789 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 790 | |
| 791 context.writePixels(alphaBitmap, 0, 10); | |
| 792 EXPECT_EQ_RECT(IntRect(10, 11, 90, 89), context.opaqueRegion().asRect()); | |
| 793 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 794 | |
| 795 context.writePixels(alphaBitmap, 1, 10); | |
| 796 EXPECT_EQ_RECT(IntRect(11, 11, 89, 89), context.opaqueRegion().asRect()); | |
| 797 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 798 } | |
| 799 | |
| 800 TEST(GraphicsContextTest, trackOpaqueDrawBitmapTest) | |
| 801 { | |
| 802 SkBitmap bitmap; | |
| 803 ASSERT_TRUE(bitmap.allocN32Pixels(200, 200)); | |
| 804 bitmap.eraseColor(0); | |
| 805 SkCanvas canvas(bitmap); | |
| 806 | |
| 807 GraphicsContext context(&canvas); | |
| 808 context.setTrackOpaqueRegion(true); | |
| 809 | |
| 810 Color opaque(1.0f, 0.0f, 0.0f, 1.0f); | |
| 811 | |
| 812 SkBitmap opaqueBitmap; | |
| 813 ASSERT_TRUE(opaqueBitmap.allocN32Pixels(10, 10, true /* opaque */)); | |
| 814 for (int y = 0; y < opaqueBitmap.height(); ++y) | |
| 815 for (int x = 0; x < opaqueBitmap.width(); ++x) | |
| 816 *opaqueBitmap.getAddr32(x, y) = 0xFFFFFFFF; | |
| 817 | |
| 818 SkBitmap alphaBitmap; | |
| 819 ASSERT_TRUE(alphaBitmap.allocN32Pixels(10, 10)); | |
| 820 for (int y = 0; y < alphaBitmap.height(); ++y) | |
| 821 for (int x = 0; x < alphaBitmap.width(); ++x) | |
| 822 *alphaBitmap.getAddr32(x, y) = 0x00000000; | |
| 823 | |
| 824 SkPaint paint; | |
| 825 paint.setXfermodeMode(SkXfermode::kSrc_Mode); | |
| 826 | |
| 827 context.drawBitmap(opaqueBitmap, 10, 10, &paint); | |
| 828 EXPECT_EQ_RECT(IntRect(10, 10, 10, 10), context.opaqueRegion().asRect()); | |
| 829 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 830 | |
| 831 context.fillRect(FloatRect(10, 10, 90, 90), opaque, CompositeSourceOver); | |
| 832 EXPECT_EQ_RECT(IntRect(10, 10, 90, 90), context.opaqueRegion().asRect()); | |
| 833 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 834 | |
| 835 context.drawBitmap(alphaBitmap, 10, 0, &paint); | |
| 836 EXPECT_EQ_RECT(IntRect(10, 10, 90, 90), context.opaqueRegion().asRect()); | |
| 837 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 838 | |
| 839 context.drawBitmap(alphaBitmap, 10, 1, &paint); | |
| 840 EXPECT_EQ_RECT(IntRect(10, 11, 90, 89), context.opaqueRegion().asRect()); | |
| 841 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 842 | |
| 843 context.drawBitmap(alphaBitmap, 0, 10, &paint); | |
| 844 EXPECT_EQ_RECT(IntRect(10, 11, 90, 89), context.opaqueRegion().asRect()); | |
| 845 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 846 | |
| 847 context.drawBitmap(alphaBitmap, 1, 10, &paint); | |
| 848 EXPECT_EQ_RECT(IntRect(11, 11, 89, 89), context.opaqueRegion().asRect()); | |
| 849 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 850 } | |
| 851 | |
| 852 TEST(GraphicsContextTest, trackOpaqueDrawBitmapRectTest) | |
| 853 { | |
| 854 SkBitmap bitmap; | |
| 855 ASSERT_TRUE(bitmap.allocN32Pixels(200, 200)); | |
| 856 bitmap.eraseColor(0); | |
| 857 SkCanvas canvas(bitmap); | |
| 858 | |
| 859 GraphicsContext context(&canvas); | |
| 860 context.setTrackOpaqueRegion(true); | |
| 861 | |
| 862 Color opaque(1.0f, 0.0f, 0.0f, 1.0f); | |
| 863 | |
| 864 SkBitmap opaqueBitmap; | |
| 865 ASSERT_TRUE(opaqueBitmap.allocN32Pixels(10, 10, true /* opaque */)); | |
| 866 for (int y = 0; y < opaqueBitmap.height(); ++y) | |
| 867 for (int x = 0; x < opaqueBitmap.width(); ++x) | |
| 868 *opaqueBitmap.getAddr32(x, y) = 0xFFFFFFFF; | |
| 869 | |
| 870 SkBitmap alphaBitmap; | |
| 871 ASSERT_TRUE(alphaBitmap.allocN32Pixels(10, 10)); | |
| 872 for (int y = 0; y < alphaBitmap.height(); ++y) | |
| 873 for (int x = 0; x < alphaBitmap.width(); ++x) | |
| 874 *alphaBitmap.getAddr32(x, y) = 0x00000000; | |
| 875 | |
| 876 SkPaint paint; | |
| 877 paint.setXfermodeMode(SkXfermode::kSrc_Mode); | |
| 878 | |
| 879 context.drawBitmapRect(opaqueBitmap, 0, SkRect::MakeXYWH(10, 10, 90, 90), &p
aint); | |
| 880 EXPECT_EQ_RECT(IntRect(10, 10, 90, 90), context.opaqueRegion().asRect()); | |
| 881 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 882 | |
| 883 context.drawBitmapRect(alphaBitmap, 0, SkRect::MakeXYWH(10, 0, 10, 10), &pai
nt); | |
| 884 EXPECT_EQ_RECT(IntRect(10, 10, 90, 90), context.opaqueRegion().asRect()); | |
| 885 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 886 | |
| 887 context.drawBitmapRect(alphaBitmap, 0, SkRect::MakeXYWH(10, 0, 10, 11), &pai
nt); | |
| 888 EXPECT_EQ_RECT(IntRect(10, 11, 90, 89), context.opaqueRegion().asRect()); | |
| 889 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 890 | |
| 891 context.drawBitmapRect(alphaBitmap, 0, SkRect::MakeXYWH(0, 10, 10, 10), &pai
nt); | |
| 892 EXPECT_EQ_RECT(IntRect(10, 11, 90, 89), context.opaqueRegion().asRect()); | |
| 893 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 894 | |
| 895 context.drawBitmapRect(alphaBitmap, 0, SkRect::MakeXYWH(0, 10, 11, 10), &pai
nt); | |
| 896 EXPECT_EQ_RECT(IntRect(11, 11, 89, 89), context.opaqueRegion().asRect()); | |
| 897 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 898 } | |
| 899 | |
| 900 TEST(GraphicsContextTest, contextTransparencyLayerTest) | |
| 901 { | |
| 902 SkBitmap bitmap; | |
| 903 ASSERT_TRUE(bitmap.allocN32Pixels(400, 400)); | |
| 904 bitmap.eraseColor(0); | |
| 905 SkCanvas canvas(bitmap); | |
| 906 | |
| 907 GraphicsContext context(&canvas); | |
| 908 context.setTrackOpaqueRegion(true); | |
| 909 | |
| 910 Color opaque(1.0f, 0.0f, 0.0f, 1.0f); | |
| 911 context.fillRect(FloatRect(20, 20, 10, 10), opaque, CompositeSourceOver); | |
| 912 EXPECT_EQ_RECT(IntRect(20, 20, 10, 10), context.opaqueRegion().asRect()); | |
| 913 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 914 | |
| 915 context.clearRect(FloatRect(20, 20, 10, 10)); | |
| 916 EXPECT_EQ_RECT(IntRect(), context.opaqueRegion().asRect()); | |
| 917 | |
| 918 context.beginTransparencyLayer(0.5); | |
| 919 context.save(); | |
| 920 context.fillRect(FloatRect(20, 20, 10, 10), opaque, CompositeSourceOver); | |
| 921 context.restore(); | |
| 922 context.endLayer(); | |
| 923 EXPECT_EQ_RECT(IntRect(), context.opaqueRegion().asRect()); | |
| 924 | |
| 925 context.clearRect(FloatRect(20, 20, 10, 10)); | |
| 926 EXPECT_EQ_RECT(IntRect(), context.opaqueRegion().asRect()); | |
| 927 | |
| 928 context.beginTransparencyLayer(0.5); | |
| 929 context.fillRect(FloatRect(20, 20, 10, 10), opaque, CompositeSourceOver); | |
| 930 context.endLayer(); | |
| 931 EXPECT_EQ_RECT(IntRect(), context.opaqueRegion().asRect()); | |
| 932 } | |
| 933 | |
| 934 TEST(GraphicsContextTest, UnboundedDrawsAreClipped) | |
| 935 { | |
| 936 SkBitmap bitmap; | |
| 937 ASSERT_TRUE(bitmap.allocN32Pixels(400, 400)); | |
| 938 bitmap.eraseColor(0); | |
| 939 SkCanvas canvas(bitmap); | |
| 940 | |
| 941 GraphicsContext context(&canvas); | |
| 942 context.setTrackOpaqueRegion(true); | |
| 943 | |
| 944 Color opaque(1.0f, 0.0f, 0.0f, 1.0f); | |
| 945 Color alpha(0.0f, 0.0f, 0.0f, 0.0f); | |
| 946 | |
| 947 Path path; | |
| 948 context.setShouldAntialias(false); | |
| 949 context.setMiterLimit(1); | |
| 950 context.setStrokeThickness(5); | |
| 951 context.setLineCap(SquareCap); | |
| 952 context.setStrokeStyle(SolidStroke); | |
| 953 | |
| 954 // Make skia unable to compute fast bounds for our paths. | |
| 955 DashArray dashArray; | |
| 956 dashArray.append(1); | |
| 957 dashArray.append(0); | |
| 958 context.setLineDash(dashArray, 0); | |
| 959 | |
| 960 // Make the device opaque in 10,10 40x40. | |
| 961 context.fillRect(FloatRect(10, 10, 40, 40), opaque, CompositeSourceOver); | |
| 962 EXPECT_EQ_RECT(IntRect(10, 10, 40, 40), context.opaqueRegion().asRect()); | |
| 963 EXPECT_PIXELS_MATCH_EXACT(bitmap, context.opaqueRegion().asRect()); | |
| 964 | |
| 965 // Clip to the left edge of the opaque area. | |
| 966 context.clip(IntRect(10, 10, 10, 40)); | |
| 967 | |
| 968 // Draw a path that gets clipped. This should destroy the opaque area but on
ly inside the clip. | |
| 969 context.setCompositeOperation(CompositeSourceOut); | |
| 970 context.setFillColor(alpha); | |
| 971 path.moveTo(FloatPoint(10, 10)); | |
| 972 path.addLineTo(FloatPoint(40, 40)); | |
| 973 context.strokePath(path); | |
| 974 | |
| 975 EXPECT_EQ_RECT(IntRect(20, 10, 30, 40), context.opaqueRegion().asRect()); | |
| 976 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 977 } | |
| 978 | |
| 979 TEST(GraphicsContextTest, PreserveOpaqueOnlyMattersForFirstLayer) | |
| 980 { | |
| 981 SkBitmap bitmap; | |
| 982 ASSERT_TRUE(bitmap.allocN32Pixels(400, 400)); | |
| 983 bitmap.eraseColor(0); | |
| 984 SkCanvas canvas(bitmap); | |
| 985 | |
| 986 GraphicsContext context(&canvas); | |
| 987 context.setTrackOpaqueRegion(true); | |
| 988 | |
| 989 Color opaque(1.0f, 0.0f, 0.0f, 1.0f); | |
| 990 Color alpha(0.0f, 0.0f, 0.0f, 0.0f); | |
| 991 | |
| 992 Path path; | |
| 993 context.setShouldAntialias(false); | |
| 994 context.setMiterLimit(1); | |
| 995 context.setStrokeThickness(5); | |
| 996 context.setLineCap(SquareCap); | |
| 997 context.setStrokeStyle(SolidStroke); | |
| 998 | |
| 999 // Make skia unable to compute fast bounds for our paths. | |
| 1000 DashArray dashArray; | |
| 1001 dashArray.append(1); | |
| 1002 dashArray.append(0); | |
| 1003 context.setLineDash(dashArray, 0); | |
| 1004 | |
| 1005 // Make the device opaque in 10,10 40x40. | |
| 1006 context.fillRect(FloatRect(10, 10, 40, 40), opaque, CompositeSourceOver); | |
| 1007 EXPECT_EQ_RECT(IntRect(10, 10, 40, 40), context.opaqueRegion().asRect()); | |
| 1008 EXPECT_PIXELS_MATCH_EXACT(bitmap, context.opaqueRegion().asRect()); | |
| 1009 | |
| 1010 // Begin a layer that preserves opaque. | |
| 1011 context.setCompositeOperation(CompositeSourceOver); | |
| 1012 context.beginTransparencyLayer(0.5); | |
| 1013 | |
| 1014 // Begin a layer that does not preserve opaque. | |
| 1015 context.setCompositeOperation(CompositeSourceOut); | |
| 1016 context.beginTransparencyLayer(0.5); | |
| 1017 | |
| 1018 // This should not destroy the device opaqueness. | |
| 1019 context.fillRect(FloatRect(10, 10, 40, 40), opaque, CompositeSourceOver); | |
| 1020 | |
| 1021 // This should not destroy the device opaqueness either. | |
| 1022 context.setFillColor(opaque); | |
| 1023 path.moveTo(FloatPoint(10, 10)); | |
| 1024 path.addLineTo(FloatPoint(40, 40)); | |
| 1025 context.strokePath(path); | |
| 1026 | |
| 1027 context.endLayer(); | |
| 1028 context.endLayer(); | |
| 1029 EXPECT_EQ_RECT(IntRect(10, 10, 40, 40), context.opaqueRegion().asRect()); | |
| 1030 EXPECT_PIXELS_MATCH_EXACT(bitmap, context.opaqueRegion().asRect()); | |
| 1031 | |
| 1032 // Now begin a layer that does not preserve opaque and draw through it to th
e device. | |
| 1033 context.setCompositeOperation(CompositeSourceOut); | |
| 1034 context.beginTransparencyLayer(0.5); | |
| 1035 | |
| 1036 // This should destroy the device opaqueness. | |
| 1037 context.fillRect(FloatRect(10, 10, 40, 40), opaque, CompositeSourceOver); | |
| 1038 | |
| 1039 context.endLayer(); | |
| 1040 EXPECT_EQ_RECT(IntRect(), context.opaqueRegion().asRect()); | |
| 1041 EXPECT_PIXELS_MATCH_EXACT(bitmap, context.opaqueRegion().asRect()); | |
| 1042 | |
| 1043 // Now we draw with a path for which it cannot compute fast bounds. This sho
uld destroy the entire opaque region. | |
| 1044 | |
| 1045 context.setCompositeOperation(CompositeSourceOut); | |
| 1046 context.beginTransparencyLayer(0.5); | |
| 1047 | |
| 1048 // This should nuke the device opaqueness. | |
| 1049 context.setFillColor(opaque); | |
| 1050 path.moveTo(FloatPoint(10, 10)); | |
| 1051 path.addLineTo(FloatPoint(40, 40)); | |
| 1052 context.strokePath(path); | |
| 1053 | |
| 1054 context.endLayer(); | |
| 1055 EXPECT_EQ_RECT(IntRect(), context.opaqueRegion().asRect()); | |
| 1056 EXPECT_PIXELS_MATCH_EXACT(bitmap, context.opaqueRegion().asRect()); | |
| 1057 } | |
| 1058 | |
| 1059 #define DISPATCH(c1, c2, op, params) do { c1.op(params); c2.op(params); } while
(0); | |
| 1060 | |
| 1061 TEST(GraphicsContextTest, RecordingTotalMatrix) | |
| 1062 { | |
| 1063 SkBitmap bitmap; | |
| 1064 ASSERT_TRUE(bitmap.allocN32Pixels(400, 400)); | |
| 1065 bitmap.eraseColor(0); | |
| 1066 SkCanvas canvas(bitmap); | |
| 1067 GraphicsContext context(&canvas); | |
| 1068 | |
| 1069 SkCanvas controlCanvas(400, 400); | |
| 1070 GraphicsContext controlContext(&controlCanvas); | |
| 1071 | |
| 1072 EXPECT_EQ(context.getCTM(), controlContext.getCTM()); | |
| 1073 DISPATCH(context, controlContext, scale, FloatSize(2, 2)); | |
| 1074 EXPECT_EQ(context.getCTM(), controlContext.getCTM()); | |
| 1075 | |
| 1076 controlContext.save(); | |
| 1077 context.beginRecording(FloatRect(0, 0, 200, 200)); | |
| 1078 DISPATCH(context, controlContext, translate, FloatSize(10, 10)); | |
| 1079 EXPECT_EQ(context.getCTM(), controlContext.getCTM()); | |
| 1080 | |
| 1081 controlContext.save(); | |
| 1082 context.beginRecording(FloatRect(10, 10, 100, 100)); | |
| 1083 DISPATCH(context, controlContext, rotate, 45); | |
| 1084 EXPECT_EQ(context.getCTM(), controlContext.getCTM()); | |
| 1085 | |
| 1086 controlContext.restore(); | |
| 1087 context.endRecording(); | |
| 1088 EXPECT_EQ(context.getCTM(), controlContext.getCTM()); | |
| 1089 | |
| 1090 controlContext.restore(); | |
| 1091 context.endRecording(); | |
| 1092 EXPECT_EQ(context.getCTM(), controlContext.getCTM()); | |
| 1093 } | |
| 1094 | |
| 1095 } // namespace | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 206473009:
Move GraphicsContextTest to platform/ and fix the test environment. (Closed)
Base URL: https://chromium.googlesource.com/chromium/blink.git@master