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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 "core/platform/graphics/GraphicsContext.h" | |
| 28 | |
| 29 #include "SkCanvas.h" | |
| 30 #include "core/platform/graphics/BitmapImage.h" | |
| 31 #include "core/platform/graphics/ImageBuffer.h" | |
| 32 #include "core/platform/graphics/skia/NativeImageSkia.h" | |
| 33 #include "platform/graphics/DisplayList.h" | |
| 34 #include "third_party/skia/include/core/SkBitmapDevice.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 bitmap.setConfig(SkBitmap::kARGB_8888_Config, 400, 400); | |
| 72 bitmap.allocPixels(); | |
| 73 bitmap.eraseColor(0); | |
| 74 SkCanvas canvas(bitmap); | |
| 75 | |
| 76 GraphicsContext context(&canvas); | |
| 77 context.setTrackOpaqueRegion(true); | |
| 78 | |
| 79 Color opaque(1.0f, 0.0f, 0.0f, 1.0f); | |
| 80 Color alpha(0.0f, 0.0f, 0.0f, 0.0f); | |
| 81 | |
| 82 context.fillRect(FloatRect(10, 10, 90, 90), opaque, CompositeSourceOver); | |
| 83 EXPECT_EQ_RECT(IntRect(10, 10, 90, 90), context.opaqueRegion().asRect()); | |
| 84 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 85 | |
| 86 context.fillRect(FloatRect(10, 10, 90, 90), alpha, CompositeSourceOver); | |
| 87 EXPECT_EQ_RECT(IntRect(10, 10, 90, 90), context.opaqueRegion().asRect()); | |
| 88 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 89 | |
| 90 context.fillRect(FloatRect(99, 13, 10, 90), opaque, CompositePlusLighter); | |
| 91 EXPECT_EQ_RECT(IntRect(10, 10, 90, 90), context.opaqueRegion().asRect()); | |
| 92 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 93 | |
| 94 context.fillRect(FloatRect(99, 13, 10, 90), opaque, CompositeSourceIn); | |
| 95 EXPECT_EQ_RECT(IntRect(10, 10, 90, 90), context.opaqueRegion().asRect()); | |
| 96 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 97 | |
| 98 context.fillRect(FloatRect(99, 13, 10, 90), alpha, CompositeSourceIn); | |
| 99 EXPECT_EQ_RECT(IntRect(10, 10, 89, 90), context.opaqueRegion().asRect()); | |
| 100 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 101 | |
| 102 context.fillRect(FloatRect(8, 8, 3, 90), opaque, CompositeSourceOut); | |
| 103 EXPECT_EQ_RECT(IntRect(11, 10, 88, 90), context.opaqueRegion().asRect()); | |
| 104 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 105 | |
| 106 context.fillRect(FloatRect(30, 30, 290, 290), opaque, CompositeSourceOver); | |
| 107 EXPECT_EQ_RECT(IntRect(30, 30, 290, 290), context.opaqueRegion().asRect()); | |
| 108 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 109 | |
| 110 context.fillRect(FloatRect(40, 20, 290, 50), opaque, CompositeSourceOver); | |
| 111 EXPECT_EQ_RECT(IntRect(30, 30, 290, 290), context.opaqueRegion().asRect()); | |
| 112 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 113 | |
| 114 context.fillRect(FloatRect(10, 10, 390, 50), opaque, CompositeSourceIn); | |
| 115 EXPECT_EQ_RECT(IntRect(30, 30, 290, 290), context.opaqueRegion().asRect()); | |
| 116 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 117 | |
| 118 context.fillRect(FloatRect(10, 10, 390, 50), alpha); | |
| 119 EXPECT_EQ_RECT(IntRect(30, 30, 290, 290), context.opaqueRegion().asRect()); | |
| 120 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 121 | |
| 122 context.fillRect(FloatRect(10, 10, 390, 50), opaque, CompositeSourceOver); | |
| 123 EXPECT_EQ_RECT(IntRect(30, 10, 290, 310), context.opaqueRegion().asRect()); | |
| 124 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 125 } | |
| 126 | |
| 127 TEST(GraphicsContextTest, trackOpaqueClipTest) | |
| 128 { | |
| 129 SkBitmap bitmap; | |
| 130 bitmap.setConfig(SkBitmap::kARGB_8888_Config, 400, 400); | |
| 131 bitmap.allocPixels(); | |
| 132 SkCanvas canvas(bitmap); | |
| 133 | |
| 134 GraphicsContext context(&canvas); | |
| 135 context.setTrackOpaqueRegion(true); | |
| 136 | |
| 137 Color opaque(1.0f, 0.0f, 0.0f, 1.0f); | |
| 138 Color alpha(0.0f, 0.0f, 0.0f, 0.0f); | |
| 139 | |
| 140 context.fillRect(FloatRect(10, 10, 90, 90), opaque, CompositeSourceOver); | |
| 141 EXPECT_EQ_RECT(IntRect(10, 10, 90, 90), context.opaqueRegion().asRect()); | |
| 142 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 143 | |
| 144 context.clearRect(FloatRect(10, 10, 90, 90)); | |
| 145 EXPECT_EQ_RECT(IntRect(), context.opaqueRegion().asRect()); | |
| 146 | |
| 147 context.save(); | |
| 148 context.clip(FloatRect(0, 0, 10, 10)); | |
| 149 context.fillRect(FloatRect(10, 10, 90, 90), opaque, CompositeSourceOver); | |
| 150 EXPECT_EQ_RECT(IntRect(), context.opaqueRegion().asRect()); | |
| 151 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 152 context.restore(); | |
| 153 | |
| 154 context.clearRect(FloatRect(10, 10, 90, 90)); | |
| 155 EXPECT_EQ_RECT(IntRect(), context.opaqueRegion().asRect()); | |
| 156 | |
| 157 context.save(); | |
| 158 context.clip(FloatRect(20, 20, 10, 10)); | |
| 159 context.fillRect(FloatRect(10, 10, 90, 90), opaque, CompositeSourceOver); | |
| 160 EXPECT_EQ_RECT(IntRect(20, 20, 10, 10), context.opaqueRegion().asRect()); | |
| 161 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 162 | |
| 163 context.clearRect(FloatRect(10, 10, 90, 90)); | |
| 164 EXPECT_EQ_RECT(IntRect(), context.opaqueRegion().asRect()); | |
| 165 | |
| 166 // The intersection of the two clips becomes empty. | |
| 167 context.clip(FloatRect(30, 20, 10, 10)); | |
| 168 context.fillRect(FloatRect(10, 10, 90, 90), opaque, CompositeSourceOver); | |
| 169 EXPECT_EQ_RECT(IntRect(), context.opaqueRegion().asRect()); | |
| 170 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 171 context.restore(); | |
| 172 | |
| 173 context.clearRect(FloatRect(10, 10, 90, 90)); | |
| 174 EXPECT_EQ_RECT(IntRect(), context.opaqueRegion().asRect()); | |
| 175 | |
| 176 // The transform and the clip need to interact correctly (transform first) | |
| 177 context.save(); | |
| 178 context.translate(10, 10); | |
| 179 context.clip(FloatRect(20, 20, 10, 10)); | |
| 180 context.fillRect(FloatRect(10, 10, 90, 90), opaque, CompositeSourceOver); | |
| 181 EXPECT_EQ_RECT(IntRect(30, 30, 10, 10), context.opaqueRegion().asRect()); | |
| 182 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 183 context.restore(); | |
| 184 | |
| 185 context.clearRect(FloatRect(10, 10, 90, 90)); | |
| 186 EXPECT_EQ_RECT(IntRect(), context.opaqueRegion().asRect()); | |
| 187 | |
| 188 // The transform and the clip need to interact correctly (clip first) | |
| 189 context.save(); | |
| 190 context.clip(FloatRect(20, 20, 10, 10)); | |
| 191 context.translate(10, 10); | |
| 192 context.fillRect(FloatRect(10, 10, 90, 90), opaque, CompositeSourceOver); | |
| 193 EXPECT_EQ_RECT(IntRect(20, 20, 10, 10), context.opaqueRegion().asRect()); | |
| 194 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 195 context.restore(); | |
| 196 | |
| 197 context.clearRect(FloatRect(10, 10, 90, 90)); | |
| 198 EXPECT_EQ_RECT(IntRect(), context.opaqueRegion().asRect()); | |
| 199 | |
| 200 Path path; | |
| 201 path.moveTo(FloatPoint(0, 0)); | |
| 202 path.addLineTo(FloatPoint(100, 0)); | |
| 203 | |
| 204 // Non-rectangular clips just cause the paint to be considered non-opaque. | |
| 205 context.save(); | |
| 206 context.clipPath(path, RULE_EVENODD); | |
| 207 context.fillRect(FloatRect(10, 10, 90, 90), opaque, CompositeSourceOver); | |
| 208 EXPECT_EQ_RECT(IntRect(), context.opaqueRegion().asRect()); | |
| 209 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 210 context.restore(); | |
| 211 | |
| 212 // Another non-rectangular clip. | |
| 213 context.save(); | |
| 214 context.clip(IntRect(30, 30, 20, 20)); | |
| 215 context.clipOut(IntRect(30, 30, 10, 10)); | |
| 216 context.fillRect(FloatRect(10, 10, 90, 90), opaque, CompositeSourceOver); | |
| 217 EXPECT_EQ_RECT(IntRect(), context.opaqueRegion().asRect()); | |
| 218 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 219 context.restore(); | |
| 220 } | |
| 221 | |
| 222 TEST(GraphicsContextTest, trackImageMask) | |
| 223 { | |
| 224 SkBitmap bitmap; | |
| 225 bitmap.setConfig(SkBitmap::kARGB_8888_Config, 400, 400); | |
| 226 bitmap.allocPixels(); | |
| 227 bitmap.eraseColor(0); | |
| 228 SkCanvas canvas(bitmap); | |
| 229 | |
| 230 GraphicsContext context(&canvas); | |
| 231 context.setTrackOpaqueRegion(true); | |
| 232 | |
| 233 Color opaque(1.0f, 0.0f, 0.0f, 1.0f); | |
| 234 Color alpha(0.0f, 0.0f, 0.0f, 0.0f); | |
| 235 | |
| 236 // Image masks are done by drawing a bitmap into a transparency layer that u
ses DstIn to mask | |
| 237 // out a transparency layer below that is filled with the mask color. In the
end this should | |
| 238 // not be marked opaque. | |
| 239 | |
| 240 context.setCompositeOperation(CompositeSourceOver); | |
| 241 context.beginTransparencyLayer(1); | |
| 242 context.fillRect(FloatRect(10, 10, 10, 10), opaque, CompositeSourceOver); | |
| 243 | |
| 244 context.setCompositeOperation(CompositeDestinationIn); | |
| 245 context.beginTransparencyLayer(1); | |
| 246 | |
| 247 OwnPtr<ImageBuffer> alphaImage = ImageBuffer::create(IntSize(100, 100)); | |
| 248 alphaImage->context()->fillRect(IntRect(0, 0, 100, 100), alpha); | |
| 249 | |
| 250 context.setCompositeOperation(CompositeSourceOver); | |
| 251 context.drawImageBuffer(alphaImage.get(), FloatRect(10, 10, 10, 10)); | |
| 252 | |
| 253 context.endLayer(); | |
| 254 context.endLayer(); | |
| 255 | |
| 256 EXPECT_EQ_RECT(IntRect(), context.opaqueRegion().asRect()); | |
| 257 EXPECT_PIXELS_MATCH_EXACT(bitmap, context.opaqueRegion().asRect()); | |
| 258 } | |
| 259 | |
| 260 TEST(GraphicsContextTest, trackImageMaskWithOpaqueRect) | |
| 261 { | |
| 262 SkBitmap bitmap; | |
| 263 bitmap.setConfig(SkBitmap::kARGB_8888_Config, 400, 400); | |
| 264 bitmap.allocPixels(); | |
| 265 bitmap.eraseColor(0); | |
| 266 SkCanvas canvas(bitmap); | |
| 267 | |
| 268 GraphicsContext context(&canvas); | |
| 269 context.setTrackOpaqueRegion(true); | |
| 270 | |
| 271 Color opaque(1.0f, 0.0f, 0.0f, 1.0f); | |
| 272 Color alpha(0.0f, 0.0f, 0.0f, 0.0f); | |
| 273 | |
| 274 // Image masks are done by drawing a bitmap into a transparency layer that u
ses DstIn to mask | |
| 275 // out a transparency layer below that is filled with the mask color. In the
end this should | |
| 276 // not be marked opaque. | |
| 277 | |
| 278 context.setCompositeOperation(CompositeSourceOver); | |
| 279 context.beginTransparencyLayer(1); | |
| 280 context.fillRect(FloatRect(10, 10, 10, 10), opaque, CompositeSourceOver); | |
| 281 | |
| 282 context.setCompositeOperation(CompositeDestinationIn); | |
| 283 context.beginTransparencyLayer(1); | |
| 284 | |
| 285 OwnPtr<ImageBuffer> alphaImage = ImageBuffer::create(IntSize(100, 100)); | |
| 286 alphaImage->context()->fillRect(IntRect(0, 0, 100, 100), alpha); | |
| 287 | |
| 288 context.setCompositeOperation(CompositeSourceOver); | |
| 289 context.drawImageBuffer(alphaImage.get(), FloatRect(10, 10, 10, 10)); | |
| 290 | |
| 291 // We can't have an opaque mask actually, but we can pretend here like it wo
uld look if we did. | |
| 292 context.fillRect(FloatRect(12, 12, 3, 3), opaque, CompositeSourceOver); | |
| 293 | |
| 294 context.endLayer(); | |
| 295 context.endLayer(); | |
| 296 | |
| 297 EXPECT_EQ_RECT(IntRect(12, 12, 3, 3), context.opaqueRegion().asRect()); | |
| 298 EXPECT_PIXELS_MATCH_EXACT(bitmap, context.opaqueRegion().asRect()); | |
| 299 } | |
| 300 | |
| 301 TEST(GraphicsContextTest, trackOpaqueJoinTest) | |
| 302 { | |
| 303 SkBitmap bitmap; | |
| 304 bitmap.setConfig(SkBitmap::kARGB_8888_Config, 400, 400); | |
| 305 bitmap.allocPixels(); | |
| 306 SkCanvas canvas(bitmap); | |
| 307 | |
| 308 GraphicsContext context(&canvas); | |
| 309 context.setTrackOpaqueRegion(true); | |
| 310 | |
| 311 Color opaque(1.0f, 0.0f, 0.0f, 1.0f); | |
| 312 Color alpha(0.0f, 0.0f, 0.0f, 0.0f); | |
| 313 | |
| 314 context.fillRect(FloatRect(20, 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 // Doesn't join | |
| 319 context.fillRect(FloatRect(31, 20, 10, 10), opaque, CompositeSourceOver); | |
| 320 EXPECT_EQ_RECT(IntRect(20, 20, 10, 10), context.opaqueRegion().asRect()); | |
| 321 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 322 | |
| 323 // Does join | |
| 324 context.fillRect(FloatRect(30, 20, 10, 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 // Doesn't join | |
| 329 context.fillRect(FloatRect(20, 31, 20, 10), opaque, CompositeSourceOver); | |
| 330 EXPECT_EQ_RECT(IntRect(20, 20, 20, 10), context.opaqueRegion().asRect()); | |
| 331 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 332 | |
| 333 // Does join | |
| 334 context.fillRect(FloatRect(20, 30, 20, 10), opaque, CompositeSourceOver); | |
| 335 EXPECT_EQ_RECT(IntRect(20, 20, 20, 20), context.opaqueRegion().asRect()); | |
| 336 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 337 | |
| 338 // Doesn't join | |
| 339 context.fillRect(FloatRect(9, 20, 10, 20), opaque, CompositeSourceOver); | |
| 340 EXPECT_EQ_RECT(IntRect(20, 20, 20, 20), context.opaqueRegion().asRect()); | |
| 341 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 342 | |
| 343 // Does join | |
| 344 context.fillRect(FloatRect(10, 20, 10, 20), opaque, CompositeSourceOver); | |
| 345 EXPECT_EQ_RECT(IntRect(10, 20, 30, 20), context.opaqueRegion().asRect()); | |
| 346 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 347 | |
| 348 // Doesn't join | |
| 349 context.fillRect(FloatRect(10, 9, 30, 10), opaque, CompositeSourceOver); | |
| 350 EXPECT_EQ_RECT(IntRect(10, 20, 30, 20), context.opaqueRegion().asRect()); | |
| 351 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 352 | |
| 353 // Does join | |
| 354 context.fillRect(FloatRect(10, 10, 30, 10), opaque, CompositeSourceOver); | |
| 355 EXPECT_EQ_RECT(IntRect(10, 10, 30, 30), context.opaqueRegion().asRect()); | |
| 356 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 357 } | |
| 358 | |
| 359 TEST(GraphicsContextTest, trackOpaqueLineTest) | |
| 360 { | |
| 361 SkBitmap bitmap; | |
| 362 bitmap.setConfig(SkBitmap::kARGB_8888_Config, 200, 200); | |
| 363 bitmap.allocPixels(); | |
| 364 bitmap.eraseColor(0); | |
| 365 SkCanvas canvas(bitmap); | |
| 366 | |
| 367 GraphicsContext context(&canvas); | |
| 368 context.setTrackOpaqueRegion(true); | |
| 369 | |
| 370 Color opaque(1.0f, 0.0f, 0.0f, 1.0f); | |
| 371 Color alpha(0.0f, 0.0f, 0.0f, 0.0f); | |
| 372 | |
| 373 context.setShouldAntialias(false); | |
| 374 context.setMiterLimit(0); | |
| 375 context.setStrokeThickness(4); | |
| 376 context.setLineCap(SquareCap); | |
| 377 context.setStrokeStyle(SolidStroke); | |
| 378 context.setCompositeOperation(CompositeSourceOver); | |
| 379 | |
| 380 context.fillRect(FloatRect(10, 10, 90, 90), opaque, CompositeSourceOver); | |
| 381 EXPECT_EQ_RECT(IntRect(10, 10, 90, 90), context.opaqueRegion().asRect()); | |
| 382 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 383 | |
| 384 context.setCompositeOperation(CompositeSourceIn); | |
| 385 | |
| 386 context.save(); | |
| 387 context.setStrokeColor(alpha); | |
| 388 context.drawLine(IntPoint(0, 0), IntPoint(100, 0)); | |
| 389 context.restore(); | |
| 390 EXPECT_EQ_RECT(IntRect(10, 10, 90, 90), context.opaqueRegion().asRect()); | |
| 391 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 392 | |
| 393 context.save(); | |
| 394 context.setStrokeColor(opaque); | |
| 395 context.drawLine(IntPoint(0, 10), IntPoint(100, 10)); | |
| 396 context.restore(); | |
| 397 EXPECT_EQ_RECT(IntRect(10, 10, 90, 90), context.opaqueRegion().asRect()); | |
| 398 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 399 | |
| 400 context.save(); | |
| 401 context.setStrokeColor(alpha); | |
| 402 context.drawLine(IntPoint(0, 10), IntPoint(100, 10)); | |
| 403 context.restore(); | |
| 404 EXPECT_EQ_RECT(IntRect(10, 13, 90, 87), context.opaqueRegion().asRect()); | |
| 405 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 406 | |
| 407 context.save(); | |
| 408 context.setStrokeColor(alpha); | |
| 409 context.drawLine(IntPoint(0, 11), IntPoint(100, 11)); | |
| 410 context.restore(); | |
| 411 EXPECT_EQ_RECT(IntRect(10, 14, 90, 86), context.opaqueRegion().asRect()); | |
| 412 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 413 | |
| 414 context.setShouldAntialias(true); | |
| 415 context.setCompositeOperation(CompositeSourceOver); | |
| 416 | |
| 417 context.fillRect(FloatRect(10, 10, 90, 90), opaque, CompositeSourceOver); | |
| 418 EXPECT_EQ_RECT(IntRect(10, 10, 90, 90), context.opaqueRegion().asRect()); | |
| 419 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 420 | |
| 421 context.setCompositeOperation(CompositeSourceIn); | |
| 422 | |
| 423 context.save(); | |
| 424 context.setStrokeColor(alpha); | |
| 425 context.drawLine(IntPoint(0, 0), IntPoint(100, 0)); | |
| 426 context.restore(); | |
| 427 EXPECT_EQ_RECT(IntRect(10, 10, 90, 90), context.opaqueRegion().asRect()); | |
| 428 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 429 | |
| 430 context.setShouldAntialias(false); | |
| 431 context.save(); | |
| 432 context.setStrokeColor(opaque); | |
| 433 context.drawLine(IntPoint(0, 10), IntPoint(100, 10)); | |
| 434 context.restore(); | |
| 435 EXPECT_EQ_RECT(IntRect(10, 10, 90, 90), context.opaqueRegion().asRect()); | |
| 436 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 437 | |
| 438 context.setShouldAntialias(true); | |
| 439 context.save(); | |
| 440 context.setStrokeColor(opaque); | |
| 441 context.drawLine(IntPoint(0, 10), IntPoint(100, 10)); | |
| 442 context.restore(); | |
| 443 EXPECT_EQ_RECT(IntRect(10, 13, 90, 87), context.opaqueRegion().asRect()); | |
| 444 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 445 | |
| 446 context.save(); | |
| 447 context.setStrokeColor(alpha); | |
| 448 context.drawLine(IntPoint(0, 11), IntPoint(100, 11)); | |
| 449 context.restore(); | |
| 450 EXPECT_EQ_RECT(IntRect(10, 14, 90, 86), context.opaqueRegion().asRect()); | |
| 451 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 452 } | |
| 453 | |
| 454 TEST(GraphicsContextTest, trackOpaquePathTest) | |
| 455 { | |
| 456 SkBitmap bitmap; | |
| 457 bitmap.setConfig(SkBitmap::kARGB_8888_Config, 200, 200); | |
| 458 bitmap.allocPixels(); | |
| 459 SkCanvas canvas(bitmap); | |
| 460 | |
| 461 GraphicsContext context(&canvas); | |
| 462 context.setTrackOpaqueRegion(true); | |
| 463 | |
| 464 Color opaque(1.0f, 0.0f, 0.0f, 1.0f); | |
| 465 Color alpha(0.0f, 0.0f, 0.0f, 0.0f); | |
| 466 | |
| 467 context.fillRect(FloatRect(10, 10, 90, 90), opaque, CompositeSourceOver); | |
| 468 EXPECT_EQ_RECT(IntRect(10, 10, 90, 90), context.opaqueRegion().asRect()); | |
| 469 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 470 | |
| 471 context.setShouldAntialias(false); | |
| 472 context.setMiterLimit(1); | |
| 473 context.setStrokeThickness(5); | |
| 474 context.setLineCap(SquareCap); | |
| 475 context.setStrokeStyle(SolidStroke); | |
| 476 context.setCompositeOperation(CompositeSourceIn); | |
| 477 | |
| 478 Path path; | |
| 479 | |
| 480 context.setFillColor(alpha); | |
| 481 path.moveTo(FloatPoint(0, 0)); | |
| 482 path.addLineTo(FloatPoint(100, 0)); | |
| 483 context.fillPath(path); | |
| 484 EXPECT_EQ_RECT(IntRect(10, 10, 90, 90), context.opaqueRegion().asRect()); | |
| 485 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 486 path.clear(); | |
| 487 | |
| 488 context.setFillColor(opaque); | |
| 489 path.moveTo(FloatPoint(0, 10)); | |
| 490 path.addLineTo(FloatPoint(100, 13)); | |
| 491 context.fillPath(path); | |
| 492 EXPECT_EQ_RECT(IntRect(10, 10, 90, 90), context.opaqueRegion().asRect()); | |
| 493 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 494 path.clear(); | |
| 495 | |
| 496 context.setFillColor(alpha); | |
| 497 path.moveTo(FloatPoint(0, 10)); | |
| 498 path.addLineTo(FloatPoint(100, 13)); | |
| 499 context.fillPath(path); | |
| 500 EXPECT_EQ_RECT(IntRect(10, 13, 90, 87), context.opaqueRegion().asRect()); | |
| 501 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 502 path.clear(); | |
| 503 | |
| 504 context.setFillColor(alpha); | |
| 505 path.moveTo(FloatPoint(0, 14)); | |
| 506 path.addLineTo(FloatPoint(100, 10)); | |
| 507 context.fillPath(path); | |
| 508 EXPECT_EQ_RECT(IntRect(10, 14, 90, 86), context.opaqueRegion().asRect()); | |
| 509 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 510 path.clear(); | |
| 511 } | |
| 512 | |
| 513 TEST(GraphicsContextTest, trackOpaqueImageTest) | |
| 514 { | |
| 515 SkBitmap bitmap; | |
| 516 bitmap.setConfig(SkBitmap::kARGB_8888_Config, 200, 200); | |
| 517 bitmap.allocPixels(); | |
| 518 SkCanvas canvas(bitmap); | |
| 519 | |
| 520 GraphicsContext context(&canvas); | |
| 521 context.setTrackOpaqueRegion(true); | |
| 522 | |
| 523 Color opaque(1.0f, 0.0f, 0.0f, 1.0f); | |
| 524 Color alpha(0.0f, 0.0f, 0.0f, 0.0f); | |
| 525 | |
| 526 SkBitmap opaqueBitmap; | |
| 527 opaqueBitmap.setConfig(SkBitmap::kARGB_8888_Config, 10, 10, 0, kOpaque_SkAlp
haType); | |
| 528 opaqueBitmap.allocPixels(); | |
| 529 | |
| 530 for (int y = 0; y < opaqueBitmap.height(); ++y) | |
| 531 for (int x = 0; x < opaqueBitmap.width(); ++x) | |
| 532 *opaqueBitmap.getAddr32(x, y) = 0xFFFFFFFF; | |
| 533 RefPtr<BitmapImage> opaqueImage = BitmapImage::create(NativeImageSkia::creat
e(opaqueBitmap)); | |
| 534 EXPECT_TRUE(opaqueImage->currentFrameKnownToBeOpaque()); | |
| 535 | |
| 536 SkBitmap alphaBitmap; | |
| 537 alphaBitmap.setConfig(SkBitmap::kARGB_8888_Config, 10, 10, 0, kPremul_SkAlph
aType); | |
| 538 alphaBitmap.allocPixels(); | |
| 539 | |
| 540 for (int y = 0; y < alphaBitmap.height(); ++y) | |
| 541 for (int x = 0; x < alphaBitmap.width(); ++x) | |
| 542 *alphaBitmap.getAddr32(x, y) = 0x00000000; | |
| 543 RefPtr<BitmapImage> alphaImage = BitmapImage::create(NativeImageSkia::create
(alphaBitmap)); | |
| 544 EXPECT_FALSE(alphaImage->currentFrameKnownToBeOpaque()); | |
| 545 | |
| 546 context.fillRect(FloatRect(10, 10, 90, 90), opaque, CompositeSourceOver); | |
| 547 EXPECT_EQ_RECT(IntRect(10, 10, 90, 90), context.opaqueRegion().asRect()); | |
| 548 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 549 | |
| 550 context.drawImage(opaqueImage.get(), IntPoint(0, 0)); | |
| 551 EXPECT_EQ_RECT(IntRect(10, 10, 90, 90), context.opaqueRegion().asRect()); | |
| 552 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 553 context.drawImage(alphaImage.get(), IntPoint(0, 0)); | |
| 554 EXPECT_EQ_RECT(IntRect(10, 10, 90, 90), context.opaqueRegion().asRect()); | |
| 555 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 556 | |
| 557 context.drawImage(opaqueImage.get(), IntPoint(5, 5)); | |
| 558 EXPECT_EQ_RECT(IntRect(10, 10, 90, 90), context.opaqueRegion().asRect()); | |
| 559 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 560 context.drawImage(alphaImage.get(), IntPoint(5, 5)); | |
| 561 EXPECT_EQ_RECT(IntRect(10, 10, 90, 90), context.opaqueRegion().asRect()); | |
| 562 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 563 | |
| 564 context.drawImage(opaqueImage.get(), IntPoint(10, 10)); | |
| 565 EXPECT_EQ_RECT(IntRect(10, 10, 90, 90), context.opaqueRegion().asRect()); | |
| 566 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 567 context.drawImage(alphaImage.get(), IntPoint(10, 10)); | |
| 568 EXPECT_EQ_RECT(IntRect(10, 10, 90, 90), context.opaqueRegion().asRect()); | |
| 569 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 570 | |
| 571 context.drawImage(alphaImage.get(), IntPoint(20, 10), CompositeSourceIn); | |
| 572 EXPECT_EQ_RECT(IntRect(10, 20, 90, 80), context.opaqueRegion().asRect()); | |
| 573 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 574 | |
| 575 context.save(); | |
| 576 context.setAlpha(0.5); | |
| 577 context.drawImage(opaqueImage.get(), IntPoint(25, 15), CompositeSourceIn); | |
| 578 context.restore(); | |
| 579 EXPECT_EQ_RECT(IntRect(10, 25, 90, 75), context.opaqueRegion().asRect()); | |
| 580 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 581 | |
| 582 context.fillRect(FloatRect(10, 10, 90, 90), opaque, CompositeSourceOver); | |
| 583 EXPECT_EQ_RECT(IntRect(10, 10, 90, 90), context.opaqueRegion().asRect()); | |
| 584 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 585 | |
| 586 context.drawImage(alphaImage.get(), IntPoint(10, 20), CompositeSourceIn); | |
| 587 EXPECT_EQ_RECT(IntRect(20, 10, 80, 90), context.opaqueRegion().asRect()); | |
| 588 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 589 | |
| 590 context.save(); | |
| 591 context.setAlpha(0.5); | |
| 592 context.drawImage(opaqueImage.get(), IntPoint(15, 25), CompositeSourceIn); | |
| 593 context.restore(); | |
| 594 EXPECT_EQ_RECT(IntRect(25, 10, 75, 90), context.opaqueRegion().asRect()); | |
| 595 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 596 } | |
| 597 | |
| 598 TEST(GraphicsContextTest, trackOpaqueOvalTest) | |
| 599 { | |
| 600 SkBitmap bitmap; | |
| 601 bitmap.setConfig(SkBitmap::kARGB_8888_Config, 200, 200); | |
| 602 bitmap.allocPixels(); | |
| 603 bitmap.eraseColor(0); | |
| 604 SkCanvas canvas(bitmap); | |
| 605 | |
| 606 GraphicsContext context(&canvas); | |
| 607 context.setTrackOpaqueRegion(true); | |
| 608 | |
| 609 Color opaque(1.0f, 0.0f, 0.0f, 1.0f); | |
| 610 Color alpha(0.0f, 0.0f, 0.0f, 0.0f); | |
| 611 | |
| 612 EXPECT_EQ_RECT(IntRect(0, 0, 0, 0), context.opaqueRegion().asRect()); | |
| 613 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 614 | |
| 615 context.drawEllipse(IntRect(10, 10, 90, 90)); | |
| 616 EXPECT_EQ_RECT(IntRect(0, 0, 0, 0), context.opaqueRegion().asRect()); | |
| 617 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 618 | |
| 619 context.fillRect(FloatRect(10, 10, 90, 90), opaque, CompositeSourceOver); | |
| 620 EXPECT_EQ_RECT(IntRect(10, 10, 90, 90), context.opaqueRegion().asRect()); | |
| 621 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 622 | |
| 623 context.setCompositeOperation(CompositeSourceIn); | |
| 624 | |
| 625 context.setShouldAntialias(false); | |
| 626 | |
| 627 context.setFillColor(opaque); | |
| 628 context.drawEllipse(IntRect(10, 10, 50, 30)); | |
| 629 EXPECT_EQ_RECT(IntRect(10, 10, 90, 90), context.opaqueRegion().asRect()); | |
| 630 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 631 | |
| 632 context.setFillColor(alpha); | |
| 633 context.drawEllipse(IntRect(10, 10, 30, 50)); | |
| 634 EXPECT_EQ_RECT(IntRect(40, 10, 60, 90), context.opaqueRegion().asRect()); | |
| 635 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 636 | |
| 637 context.setShouldAntialias(true); | |
| 638 | |
| 639 context.setFillColor(opaque); | |
| 640 context.drawEllipse(IntRect(10, 10, 50, 30)); | |
| 641 EXPECT_EQ_RECT(IntRect(40, 41, 60, 59), context.opaqueRegion().asRect()); | |
| 642 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 643 | |
| 644 context.setFillColor(alpha); | |
| 645 context.drawEllipse(IntRect(20, 10, 30, 50)); | |
| 646 EXPECT_EQ_RECT(IntRect(51, 41, 49, 59), context.opaqueRegion().asRect()); | |
| 647 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 648 } | |
| 649 | |
| 650 TEST(GraphicsContextTest, trackOpaqueRoundedRectTest) | |
| 651 { | |
| 652 SkBitmap bitmap; | |
| 653 bitmap.setConfig(SkBitmap::kARGB_8888_Config, 200, 200); | |
| 654 bitmap.allocPixels(); | |
| 655 bitmap.eraseColor(0); | |
| 656 SkCanvas canvas(bitmap); | |
| 657 | |
| 658 GraphicsContext context(&canvas); | |
| 659 context.setTrackOpaqueRegion(true); | |
| 660 | |
| 661 Color opaque(1.0f, 0.0f, 0.0f, 1.0f); | |
| 662 Color alpha(0.0f, 0.0f, 0.0f, 0.0f); | |
| 663 IntSize radii(10, 10); | |
| 664 | |
| 665 EXPECT_EQ_RECT(IntRect(0, 0, 0, 0), context.opaqueRegion().asRect()); | |
| 666 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 667 | |
| 668 context.fillRoundedRect(IntRect(10, 10, 90, 90), radii, radii, radii, radii,
opaque); | |
| 669 EXPECT_EQ_RECT(IntRect(0, 0, 0, 0), context.opaqueRegion().asRect()); | |
| 670 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 671 | |
| 672 context.fillRect(FloatRect(10, 10, 90, 90), opaque, CompositeSourceOver); | |
| 673 EXPECT_EQ_RECT(IntRect(10, 10, 90, 90), context.opaqueRegion().asRect()); | |
| 674 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 675 | |
| 676 context.setCompositeOperation(CompositeSourceIn); | |
| 677 context.setShouldAntialias(false); | |
| 678 | |
| 679 context.fillRoundedRect(IntRect(10, 10, 50, 30), radii, radii, radii, radii,
opaque); | |
| 680 EXPECT_EQ_RECT(IntRect(10, 10, 90, 90), context.opaqueRegion().asRect()); | |
| 681 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 682 | |
| 683 context.fillRoundedRect(IntRect(10, 10, 30, 50), radii, radii, radii, radii,
alpha); | |
| 684 EXPECT_EQ_RECT(IntRect(40, 10, 60, 90), context.opaqueRegion().asRect()); | |
| 685 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 686 | |
| 687 context.fillRoundedRect(IntRect(10, 0, 50, 30), radii, radii, radii, radii,
alpha); | |
| 688 EXPECT_EQ_RECT(IntRect(40, 30, 60, 70), context.opaqueRegion().asRect()); | |
| 689 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 690 | |
| 691 context.fillRoundedRect(IntRect(30, 0, 70, 50), radii, radii, radii, radii,
opaque); | |
| 692 EXPECT_EQ_RECT(IntRect(40, 30, 60, 70), context.opaqueRegion().asRect()); | |
| 693 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 694 } | |
| 695 | |
| 696 TEST(GraphicsContextTest, trackOpaqueTextTest) | |
| 697 { | |
| 698 int width = 200, height = 200; | |
| 699 SkBitmap bitmap; | |
| 700 bitmap.setConfig(SkBitmap::kARGB_8888_Config, width, height); | |
| 701 bitmap.allocPixels(); | |
| 702 bitmap.eraseColor(0); | |
| 703 SkCanvas canvas(bitmap); | |
| 704 SkRect textRect = SkRect::MakeWH(width, height); | |
| 705 | |
| 706 GraphicsContext context(&canvas); | |
| 707 context.setTrackOpaqueRegion(true); | |
| 708 | |
| 709 Color opaque(1.0f, 0.0f, 0.0f, 1.0f); | |
| 710 Color alpha(0.0f, 0.0f, 0.0f, 0.0f); | |
| 711 | |
| 712 SkPaint opaquePaint; | |
| 713 opaquePaint.setColor(opaque.rgb()); | |
| 714 opaquePaint.setXfermodeMode(SkXfermode::kSrc_Mode); | |
| 715 SkPaint alphaPaint; | |
| 716 alphaPaint.setColor(alpha.rgb()); | |
| 717 alphaPaint.setXfermodeMode(SkXfermode::kSrc_Mode); | |
| 718 | |
| 719 SkPoint point = SkPoint::Make(0, 0); | |
| 720 SkScalar pointX = 0; | |
| 721 SkPath path; | |
| 722 path.moveTo(SkPoint::Make(0, 0)); | |
| 723 path.lineTo(SkPoint::Make(100, 0)); | |
| 724 | |
| 725 context.fillRect(FloatRect(50, 50, 50, 50), opaque, CompositeSourceOver); | |
| 726 EXPECT_EQ_RECT(IntRect(50, 50, 50, 50), context.opaqueRegion().asRect()); | |
| 727 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 728 | |
| 729 context.drawPosText("A", 1, &point, textRect, opaquePaint); | |
| 730 EXPECT_EQ_RECT(IntRect(50, 50, 50, 50), context.opaqueRegion().asRect()); | |
| 731 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 732 | |
| 733 context.drawPosText("A", 1, &point, textRect, alphaPaint); | |
| 734 EXPECT_EQ_RECT(IntRect(0, 0, 0, 0), context.opaqueRegion().asRect()); | |
| 735 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 736 | |
| 737 context.fillRect(FloatRect(50, 50, 50, 50), opaque, CompositeSourceOver); | |
| 738 EXPECT_EQ_RECT(IntRect(50, 50, 50, 50), context.opaqueRegion().asRect()); | |
| 739 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 740 | |
| 741 context.drawPosTextH("A", 1, &pointX, 0, textRect, opaquePaint); | |
| 742 EXPECT_EQ_RECT(IntRect(50, 50, 50, 50), context.opaqueRegion().asRect()); | |
| 743 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 744 | |
| 745 context.drawPosTextH("A", 1, &pointX, 0, textRect, alphaPaint); | |
| 746 EXPECT_EQ_RECT(IntRect(0, 0, 0, 0), context.opaqueRegion().asRect()); | |
| 747 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 748 | |
| 749 context.fillRect(FloatRect(50, 50, 50, 50), opaque, CompositeSourceOver); | |
| 750 EXPECT_EQ_RECT(IntRect(50, 50, 50, 50), context.opaqueRegion().asRect()); | |
| 751 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 752 | |
| 753 context.drawTextOnPath("A", 1, path, textRect, 0, opaquePaint); | |
| 754 EXPECT_EQ_RECT(IntRect(50, 50, 50, 50), context.opaqueRegion().asRect()); | |
| 755 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 756 | |
| 757 context.drawTextOnPath("A", 1, path, textRect, 0, alphaPaint); | |
| 758 EXPECT_EQ_RECT(IntRect(0, 0, 0, 0), context.opaqueRegion().asRect()); | |
| 759 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 760 } | |
| 761 | |
| 762 TEST(GraphicsContextTest, trackOpaqueWritePixelsTest) | |
| 763 { | |
| 764 SkBitmap bitmap; | |
| 765 bitmap.setConfig(SkBitmap::kARGB_8888_Config, 200, 200); | |
| 766 bitmap.allocPixels(); | |
| 767 bitmap.eraseColor(0); | |
| 768 SkCanvas canvas(bitmap); | |
| 769 | |
| 770 GraphicsContext context(&canvas); | |
| 771 context.setTrackOpaqueRegion(true); | |
| 772 | |
| 773 Color opaque(1.0f, 0.0f, 0.0f, 1.0f); | |
| 774 | |
| 775 SkBitmap opaqueBitmap; | |
| 776 opaqueBitmap.setConfig(SkBitmap::kARGB_8888_Config, 10, 10, 0, kOpaque_SkAlp
haType); | |
| 777 opaqueBitmap.allocPixels(); | |
| 778 for (int y = 0; y < opaqueBitmap.height(); ++y) | |
| 779 for (int x = 0; x < opaqueBitmap.width(); ++x) | |
| 780 *opaqueBitmap.getAddr32(x, y) = 0xFFFFFFFF; | |
| 781 | |
| 782 SkBitmap alphaBitmap; | |
| 783 alphaBitmap.setConfig(SkBitmap::kARGB_8888_Config, 10, 10, 0, kPremul_SkAlph
aType); | |
| 784 alphaBitmap.allocPixels(); | |
| 785 for (int y = 0; y < alphaBitmap.height(); ++y) | |
| 786 for (int x = 0; x < alphaBitmap.width(); ++x) | |
| 787 *alphaBitmap.getAddr32(x, y) = 0x00000000; | |
| 788 | |
| 789 SkPaint paint; | |
| 790 paint.setXfermodeMode(SkXfermode::kSrc_Mode); | |
| 791 | |
| 792 context.writePixels(opaqueBitmap, 50, 50); | |
| 793 EXPECT_EQ_RECT(IntRect(50, 50, 10, 10), context.opaqueRegion().asRect()); | |
| 794 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 795 | |
| 796 context.fillRect(FloatRect(10, 10, 90, 90), opaque, CompositeSourceOver); | |
| 797 EXPECT_EQ_RECT(IntRect(10, 10, 90, 90), context.opaqueRegion().asRect()); | |
| 798 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 799 | |
| 800 context.writePixels(alphaBitmap, 10, 0); | |
| 801 EXPECT_EQ_RECT(IntRect(10, 10, 90, 90), context.opaqueRegion().asRect()); | |
| 802 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 803 | |
| 804 context.writePixels(alphaBitmap, 10, 1); | |
| 805 EXPECT_EQ_RECT(IntRect(10, 11, 90, 89), context.opaqueRegion().asRect()); | |
| 806 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 807 | |
| 808 context.writePixels(alphaBitmap, 0, 10); | |
| 809 EXPECT_EQ_RECT(IntRect(10, 11, 90, 89), context.opaqueRegion().asRect()); | |
| 810 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 811 | |
| 812 context.writePixels(alphaBitmap, 1, 10); | |
| 813 EXPECT_EQ_RECT(IntRect(11, 11, 89, 89), context.opaqueRegion().asRect()); | |
| 814 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 815 } | |
| 816 | |
| 817 TEST(GraphicsContextTest, trackOpaqueDrawBitmapTest) | |
| 818 { | |
| 819 SkBitmap bitmap; | |
| 820 bitmap.setConfig(SkBitmap::kARGB_8888_Config, 200, 200); | |
| 821 bitmap.allocPixels(); | |
| 822 bitmap.eraseColor(0); | |
| 823 SkCanvas canvas(bitmap); | |
| 824 | |
| 825 GraphicsContext context(&canvas); | |
| 826 context.setTrackOpaqueRegion(true); | |
| 827 | |
| 828 Color opaque(1.0f, 0.0f, 0.0f, 1.0f); | |
| 829 | |
| 830 SkBitmap opaqueBitmap; | |
| 831 opaqueBitmap.setConfig(SkBitmap::kARGB_8888_Config, 10, 10, 0, kOpaque_SkAlp
haType); | |
| 832 opaqueBitmap.allocPixels(); | |
| 833 for (int y = 0; y < opaqueBitmap.height(); ++y) | |
| 834 for (int x = 0; x < opaqueBitmap.width(); ++x) | |
| 835 *opaqueBitmap.getAddr32(x, y) = 0xFFFFFFFF; | |
| 836 | |
| 837 SkBitmap alphaBitmap; | |
| 838 alphaBitmap.setConfig(SkBitmap::kARGB_8888_Config, 10, 10, 0, kPremul_SkAlph
aType); | |
| 839 alphaBitmap.allocPixels(); | |
| 840 for (int y = 0; y < alphaBitmap.height(); ++y) | |
| 841 for (int x = 0; x < alphaBitmap.width(); ++x) | |
| 842 *alphaBitmap.getAddr32(x, y) = 0x00000000; | |
| 843 | |
| 844 SkPaint paint; | |
| 845 paint.setXfermodeMode(SkXfermode::kSrc_Mode); | |
| 846 | |
| 847 context.drawBitmap(opaqueBitmap, 10, 10, &paint); | |
| 848 EXPECT_EQ_RECT(IntRect(10, 10, 10, 10), context.opaqueRegion().asRect()); | |
| 849 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 850 | |
| 851 context.fillRect(FloatRect(10, 10, 90, 90), opaque, CompositeSourceOver); | |
| 852 EXPECT_EQ_RECT(IntRect(10, 10, 90, 90), context.opaqueRegion().asRect()); | |
| 853 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 854 | |
| 855 context.drawBitmap(alphaBitmap, 10, 0, &paint); | |
| 856 EXPECT_EQ_RECT(IntRect(10, 10, 90, 90), context.opaqueRegion().asRect()); | |
| 857 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 858 | |
| 859 context.drawBitmap(alphaBitmap, 10, 1, &paint); | |
| 860 EXPECT_EQ_RECT(IntRect(10, 11, 90, 89), context.opaqueRegion().asRect()); | |
| 861 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 862 | |
| 863 context.drawBitmap(alphaBitmap, 0, 10, &paint); | |
| 864 EXPECT_EQ_RECT(IntRect(10, 11, 90, 89), context.opaqueRegion().asRect()); | |
| 865 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 866 | |
| 867 context.drawBitmap(alphaBitmap, 1, 10, &paint); | |
| 868 EXPECT_EQ_RECT(IntRect(11, 11, 89, 89), context.opaqueRegion().asRect()); | |
| 869 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 870 } | |
| 871 | |
| 872 TEST(GraphicsContextTest, trackOpaqueDrawBitmapRectTest) | |
| 873 { | |
| 874 SkBitmap bitmap; | |
| 875 bitmap.setConfig(SkBitmap::kARGB_8888_Config, 200, 200); | |
| 876 bitmap.allocPixels(); | |
| 877 bitmap.eraseColor(0); | |
| 878 SkCanvas canvas(bitmap); | |
| 879 | |
| 880 GraphicsContext context(&canvas); | |
| 881 context.setTrackOpaqueRegion(true); | |
| 882 | |
| 883 Color opaque(1.0f, 0.0f, 0.0f, 1.0f); | |
| 884 | |
| 885 SkBitmap opaqueBitmap; | |
| 886 opaqueBitmap.setConfig(SkBitmap::kARGB_8888_Config, 10, 10, 0, kOpaque_SkAlp
haType); | |
| 887 opaqueBitmap.allocPixels(); | |
| 888 for (int y = 0; y < opaqueBitmap.height(); ++y) | |
| 889 for (int x = 0; x < opaqueBitmap.width(); ++x) | |
| 890 *opaqueBitmap.getAddr32(x, y) = 0xFFFFFFFF; | |
| 891 | |
| 892 SkBitmap alphaBitmap; | |
| 893 alphaBitmap.setConfig(SkBitmap::kARGB_8888_Config, 10, 10, 0, kPremul_SkAlph
aType); | |
| 894 alphaBitmap.allocPixels(); | |
| 895 for (int y = 0; y < alphaBitmap.height(); ++y) | |
| 896 for (int x = 0; x < alphaBitmap.width(); ++x) | |
| 897 *alphaBitmap.getAddr32(x, y) = 0x00000000; | |
| 898 | |
| 899 SkPaint paint; | |
| 900 paint.setXfermodeMode(SkXfermode::kSrc_Mode); | |
| 901 | |
| 902 context.drawBitmapRect(opaqueBitmap, 0, SkRect::MakeXYWH(10, 10, 90, 90), &p
aint); | |
| 903 EXPECT_EQ_RECT(IntRect(10, 10, 90, 90), context.opaqueRegion().asRect()); | |
| 904 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 905 | |
| 906 context.drawBitmapRect(alphaBitmap, 0, SkRect::MakeXYWH(10, 0, 10, 10), &pai
nt); | |
| 907 EXPECT_EQ_RECT(IntRect(10, 10, 90, 90), context.opaqueRegion().asRect()); | |
| 908 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 909 | |
| 910 context.drawBitmapRect(alphaBitmap, 0, SkRect::MakeXYWH(10, 0, 10, 11), &pai
nt); | |
| 911 EXPECT_EQ_RECT(IntRect(10, 11, 90, 89), context.opaqueRegion().asRect()); | |
| 912 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 913 | |
| 914 context.drawBitmapRect(alphaBitmap, 0, SkRect::MakeXYWH(0, 10, 10, 10), &pai
nt); | |
| 915 EXPECT_EQ_RECT(IntRect(10, 11, 90, 89), context.opaqueRegion().asRect()); | |
| 916 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 917 | |
| 918 context.drawBitmapRect(alphaBitmap, 0, SkRect::MakeXYWH(0, 10, 11, 10), &pai
nt); | |
| 919 EXPECT_EQ_RECT(IntRect(11, 11, 89, 89), context.opaqueRegion().asRect()); | |
| 920 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 921 } | |
| 922 | |
| 923 TEST(GraphicsContextTest, contextTransparencyLayerTest) | |
| 924 { | |
| 925 SkBitmap bitmap; | |
| 926 bitmap.setConfig(SkBitmap::kARGB_8888_Config, 400, 400); | |
| 927 bitmap.allocPixels(); | |
| 928 bitmap.eraseColor(0); | |
| 929 SkCanvas canvas(bitmap); | |
| 930 | |
| 931 GraphicsContext context(&canvas); | |
| 932 context.setTrackOpaqueRegion(true); | |
| 933 | |
| 934 Color opaque(1.0f, 0.0f, 0.0f, 1.0f); | |
| 935 context.fillRect(FloatRect(20, 20, 10, 10), opaque, CompositeSourceOver); | |
| 936 EXPECT_EQ_RECT(IntRect(20, 20, 10, 10), context.opaqueRegion().asRect()); | |
| 937 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 938 | |
| 939 context.clearRect(FloatRect(20, 20, 10, 10)); | |
| 940 EXPECT_EQ_RECT(IntRect(), context.opaqueRegion().asRect()); | |
| 941 | |
| 942 context.beginTransparencyLayer(0.5); | |
| 943 context.save(); | |
| 944 context.fillRect(FloatRect(20, 20, 10, 10), opaque, CompositeSourceOver); | |
| 945 context.restore(); | |
| 946 context.endLayer(); | |
| 947 EXPECT_EQ_RECT(IntRect(), context.opaqueRegion().asRect()); | |
| 948 | |
| 949 context.clearRect(FloatRect(20, 20, 10, 10)); | |
| 950 EXPECT_EQ_RECT(IntRect(), context.opaqueRegion().asRect()); | |
| 951 | |
| 952 context.beginTransparencyLayer(0.5); | |
| 953 context.fillRect(FloatRect(20, 20, 10, 10), opaque, CompositeSourceOver); | |
| 954 context.endLayer(); | |
| 955 EXPECT_EQ_RECT(IntRect(), context.opaqueRegion().asRect()); | |
| 956 } | |
| 957 | |
| 958 TEST(GraphicsContextTest, UnboundedDrawsAreClipped) | |
| 959 { | |
| 960 SkBitmap bitmap; | |
| 961 bitmap.setConfig(SkBitmap::kARGB_8888_Config, 400, 400); | |
| 962 bitmap.allocPixels(); | |
| 963 bitmap.eraseColor(0); | |
| 964 SkCanvas canvas(bitmap); | |
| 965 | |
| 966 GraphicsContext context(&canvas); | |
| 967 context.setTrackOpaqueRegion(true); | |
| 968 | |
| 969 Color opaque(1.0f, 0.0f, 0.0f, 1.0f); | |
| 970 Color alpha(0.0f, 0.0f, 0.0f, 0.0f); | |
| 971 | |
| 972 Path path; | |
| 973 context.setShouldAntialias(false); | |
| 974 context.setMiterLimit(1); | |
| 975 context.setStrokeThickness(5); | |
| 976 context.setLineCap(SquareCap); | |
| 977 context.setStrokeStyle(SolidStroke); | |
| 978 | |
| 979 // Make skia unable to compute fast bounds for our paths. | |
| 980 DashArray dashArray; | |
| 981 dashArray.append(1); | |
| 982 dashArray.append(0); | |
| 983 context.setLineDash(dashArray, 0); | |
| 984 | |
| 985 // Make the device opaque in 10,10 40x40. | |
| 986 context.fillRect(FloatRect(10, 10, 40, 40), opaque, CompositeSourceOver); | |
| 987 EXPECT_EQ_RECT(IntRect(10, 10, 40, 40), context.opaqueRegion().asRect()); | |
| 988 EXPECT_PIXELS_MATCH_EXACT(bitmap, context.opaqueRegion().asRect()); | |
| 989 | |
| 990 // Clip to the left edge of the opaque area. | |
| 991 context.clip(IntRect(10, 10, 10, 40)); | |
| 992 | |
| 993 // Draw a path that gets clipped. This should destroy the opaque area but on
ly inside the clip. | |
| 994 context.setCompositeOperation(CompositeSourceOut); | |
| 995 context.setFillColor(alpha); | |
| 996 path.moveTo(FloatPoint(10, 10)); | |
| 997 path.addLineTo(FloatPoint(40, 40)); | |
| 998 context.strokePath(path); | |
| 999 | |
| 1000 EXPECT_EQ_RECT(IntRect(20, 10, 30, 40), context.opaqueRegion().asRect()); | |
| 1001 EXPECT_PIXELS_MATCH(bitmap, context.opaqueRegion().asRect()); | |
| 1002 } | |
| 1003 | |
| 1004 TEST(GraphicsContextTest, PreserveOpaqueOnlyMattersForFirstLayer) | |
| 1005 { | |
| 1006 SkBitmap bitmap; | |
| 1007 bitmap.setConfig(SkBitmap::kARGB_8888_Config, 400, 400); | |
| 1008 bitmap.allocPixels(); | |
| 1009 bitmap.eraseColor(0); | |
| 1010 SkCanvas canvas(bitmap); | |
| 1011 | |
| 1012 GraphicsContext context(&canvas); | |
| 1013 context.setTrackOpaqueRegion(true); | |
| 1014 | |
| 1015 Color opaque(1.0f, 0.0f, 0.0f, 1.0f); | |
| 1016 Color alpha(0.0f, 0.0f, 0.0f, 0.0f); | |
| 1017 | |
| 1018 Path path; | |
| 1019 context.setShouldAntialias(false); | |
| 1020 context.setMiterLimit(1); | |
| 1021 context.setStrokeThickness(5); | |
| 1022 context.setLineCap(SquareCap); | |
| 1023 context.setStrokeStyle(SolidStroke); | |
| 1024 | |
| 1025 // Make skia unable to compute fast bounds for our paths. | |
| 1026 DashArray dashArray; | |
| 1027 dashArray.append(1); | |
| 1028 dashArray.append(0); | |
| 1029 context.setLineDash(dashArray, 0); | |
| 1030 | |
| 1031 // Make the device opaque in 10,10 40x40. | |
| 1032 context.fillRect(FloatRect(10, 10, 40, 40), opaque, CompositeSourceOver); | |
| 1033 EXPECT_EQ_RECT(IntRect(10, 10, 40, 40), context.opaqueRegion().asRect()); | |
| 1034 EXPECT_PIXELS_MATCH_EXACT(bitmap, context.opaqueRegion().asRect()); | |
| 1035 | |
| 1036 // Begin a layer that preserves opaque. | |
| 1037 context.setCompositeOperation(CompositeSourceOver); | |
| 1038 context.beginTransparencyLayer(0.5); | |
| 1039 | |
| 1040 // Begin a layer that does not preserve opaque. | |
| 1041 context.setCompositeOperation(CompositeSourceOut); | |
| 1042 context.beginTransparencyLayer(0.5); | |
| 1043 | |
| 1044 // This should not destroy the device opaqueness. | |
| 1045 context.fillRect(FloatRect(10, 10, 40, 40), opaque, CompositeSourceOver); | |
| 1046 | |
| 1047 // This should not destroy the device opaqueness either. | |
| 1048 context.setFillColor(opaque); | |
| 1049 path.moveTo(FloatPoint(10, 10)); | |
| 1050 path.addLineTo(FloatPoint(40, 40)); | |
| 1051 context.strokePath(path); | |
| 1052 | |
| 1053 context.endLayer(); | |
| 1054 context.endLayer(); | |
| 1055 EXPECT_EQ_RECT(IntRect(10, 10, 40, 40), context.opaqueRegion().asRect()); | |
| 1056 EXPECT_PIXELS_MATCH_EXACT(bitmap, context.opaqueRegion().asRect()); | |
| 1057 | |
| 1058 // Now begin a layer that does not preserve opaque and draw through it to th
e device. | |
| 1059 context.setCompositeOperation(CompositeSourceOut); | |
| 1060 context.beginTransparencyLayer(0.5); | |
| 1061 | |
| 1062 // This should destroy the device opaqueness. | |
| 1063 context.fillRect(FloatRect(10, 10, 40, 40), opaque, CompositeSourceOver); | |
| 1064 | |
| 1065 context.endLayer(); | |
| 1066 EXPECT_EQ_RECT(IntRect(), context.opaqueRegion().asRect()); | |
| 1067 EXPECT_PIXELS_MATCH_EXACT(bitmap, context.opaqueRegion().asRect()); | |
| 1068 | |
| 1069 // Now we draw with a path for which it cannot compute fast bounds. This sho
uld destroy the entire opaque region. | |
| 1070 | |
| 1071 context.setCompositeOperation(CompositeSourceOut); | |
| 1072 context.beginTransparencyLayer(0.5); | |
| 1073 | |
| 1074 // This should nuke the device opaqueness. | |
| 1075 context.setFillColor(opaque); | |
| 1076 path.moveTo(FloatPoint(10, 10)); | |
| 1077 path.addLineTo(FloatPoint(40, 40)); | |
| 1078 context.strokePath(path); | |
| 1079 | |
| 1080 context.endLayer(); | |
| 1081 EXPECT_EQ_RECT(IntRect(), context.opaqueRegion().asRect()); | |
| 1082 EXPECT_PIXELS_MATCH_EXACT(bitmap, context.opaqueRegion().asRect()); | |
| 1083 } | |
| 1084 | |
| 1085 #define DISPATCH(c1, c2, op, params) do { c1.op(params); c2.op(params); } while
(0); | |
| 1086 | |
| 1087 TEST(GraphicsContextTest, RecordingTotalMatrix) | |
| 1088 { | |
| 1089 SkBitmap bitmap; | |
| 1090 bitmap.setConfig(SkBitmap::kARGB_8888_Config, 400, 400); | |
| 1091 bitmap.allocPixels(); | |
| 1092 bitmap.eraseColor(0); | |
| 1093 SkCanvas canvas(bitmap); | |
| 1094 GraphicsContext context(&canvas); | |
| 1095 | |
| 1096 SkBitmapDevice controlDevice(SkBitmap::kNo_Config, 400, 400); | |
| 1097 SkCanvas controlCanvas(&controlDevice); | |
| 1098 GraphicsContext controlContext(&controlCanvas); | |
| 1099 | |
| 1100 EXPECT_EQ(context.getCTM(), controlContext.getCTM()); | |
| 1101 DISPATCH(context, controlContext, scale, FloatSize(2, 2)); | |
| 1102 EXPECT_EQ(context.getCTM(), controlContext.getCTM()); | |
| 1103 | |
| 1104 controlContext.save(); | |
| 1105 context.beginRecording(FloatRect(0, 0, 200, 200)); | |
| 1106 DISPATCH(context, controlContext, translate, FloatSize(10, 10)); | |
| 1107 EXPECT_EQ(context.getCTM(), controlContext.getCTM()); | |
| 1108 | |
| 1109 controlContext.save(); | |
| 1110 context.beginRecording(FloatRect(10, 10, 100, 100)); | |
| 1111 DISPATCH(context, controlContext, rotate, 45); | |
| 1112 EXPECT_EQ(context.getCTM(), controlContext.getCTM()); | |
| 1113 | |
| 1114 controlContext.restore(); | |
| 1115 context.endRecording(); | |
| 1116 EXPECT_EQ(context.getCTM(), controlContext.getCTM()); | |
| 1117 | |
| 1118 controlContext.restore(); | |
| 1119 context.endRecording(); | |
| 1120 EXPECT_EQ(context.getCTM(), controlContext.getCTM()); | |
| 1121 } | |
| 1122 | |
| 1123 } // namespace | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 99103006:
Moving GraphicsContext and dependencies from core to platform. (Closed)
Base URL: svn://svn.chromium.org/blink/trunk