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| 1 // Copyright 2013 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 #include "base/compiler_specific.h" |
| 6 #include "skia/ext/analysis_canvas.h" |
| 7 |
| 8 #include "testing/gtest/include/gtest/gtest.h" |
| 9 |
| 10 namespace { |
| 11 |
| 12 void solidColorFill(skia::AnalysisCanvas& canvas) { |
| 13 canvas.clear(SkColorSetARGB(255, 255, 255, 255)); |
| 14 } |
| 15 |
| 16 void transparentFill(skia::AnalysisCanvas& canvas) { |
| 17 canvas.clear(SkColorSetARGB(0, 0, 0, 0)); |
| 18 } |
| 19 |
| 20 } // namespace |
| 21 namespace skia { |
| 22 |
| 23 TEST(AnalysisCanvasTest, EmptyCanvas) { |
| 24 SkBitmap emptyBitmap; |
| 25 emptyBitmap.setConfig(SkBitmap::kNo_Config, 255, 255); |
| 26 skia::AnalysisDevice device(emptyBitmap); |
| 27 skia::AnalysisCanvas canvas(&device); |
| 28 |
| 29 SkColor color; |
| 30 EXPECT_FALSE(canvas.getColorIfSolid(&color)); |
| 31 EXPECT_FALSE(canvas.isTransparent()); |
| 32 EXPECT_TRUE(canvas.isCheap()); |
| 33 } |
| 34 |
| 35 TEST(AnalysisCanvasTest, ClearCanvas) { |
| 36 SkBitmap emptyBitmap; |
| 37 emptyBitmap.setConfig(SkBitmap::kNo_Config, 255, 255); |
| 38 skia::AnalysisDevice device(emptyBitmap); |
| 39 skia::AnalysisCanvas canvas(&device); |
| 40 |
| 41 // Transparent color |
| 42 SkColor color = SkColorSetARGB(0, 12, 34, 56); |
| 43 canvas.clear(color); |
| 44 |
| 45 SkColor outputColor; |
| 46 EXPECT_FALSE(canvas.getColorIfSolid(&outputColor)); |
| 47 EXPECT_TRUE(canvas.isTransparent()); |
| 48 EXPECT_TRUE(canvas.isCheap()); |
| 49 |
| 50 // Solid color |
| 51 color = SkColorSetARGB(255, 65, 43, 21); |
| 52 canvas.clear(color); |
| 53 |
| 54 EXPECT_TRUE(canvas.getColorIfSolid(&outputColor)); |
| 55 EXPECT_FALSE(canvas.isTransparent()); |
| 56 EXPECT_TRUE(canvas.isCheap()); |
| 57 EXPECT_EQ(outputColor, color); |
| 58 |
| 59 // Translucent color |
| 60 color = SkColorSetARGB(128, 11, 22, 33); |
| 61 canvas.clear(color); |
| 62 |
| 63 EXPECT_FALSE(canvas.getColorIfSolid(&outputColor)); |
| 64 EXPECT_FALSE(canvas.isTransparent()); |
| 65 EXPECT_TRUE(canvas.isCheap()); |
| 66 |
| 67 // Test helper methods |
| 68 solidColorFill(canvas); |
| 69 EXPECT_TRUE(canvas.getColorIfSolid(&outputColor)); |
| 70 EXPECT_FALSE(canvas.isTransparent()); |
| 71 |
| 72 transparentFill(canvas); |
| 73 EXPECT_FALSE(canvas.getColorIfSolid(&outputColor)); |
| 74 EXPECT_TRUE(canvas.isTransparent()); |
| 75 } |
| 76 |
| 77 TEST(AnalysisCanvasTest, ComplexActions) { |
| 78 SkBitmap emptyBitmap; |
| 79 emptyBitmap.setConfig(SkBitmap::kNo_Config, 255, 255); |
| 80 skia::AnalysisDevice device(emptyBitmap); |
| 81 skia::AnalysisCanvas canvas(&device); |
| 82 |
| 83 // Draw paint test. |
| 84 SkColor color = SkColorSetARGB(255, 11, 22, 33); |
| 85 SkPaint paint; |
| 86 paint.setColor(color); |
| 87 |
| 88 canvas.drawPaint(paint); |
| 89 |
| 90 SkColor outputColor; |
| 91 //TODO(vmpstr): This should return true. (crbug.com/180597) |
| 92 EXPECT_FALSE(canvas.getColorIfSolid(&outputColor)); |
| 93 EXPECT_FALSE(canvas.isTransparent()); |
| 94 EXPECT_TRUE(canvas.isCheap()); |
| 95 |
| 96 // Draw points test. |
| 97 SkPoint points[4] = { |
| 98 SkPoint::Make(0, 0), |
| 99 SkPoint::Make(255, 0), |
| 100 SkPoint::Make(255, 255), |
| 101 SkPoint::Make(0, 255) |
| 102 }; |
| 103 |
| 104 solidColorFill(canvas); |
| 105 canvas.drawPoints(SkCanvas::kLines_PointMode, 4, points, paint); |
| 106 |
| 107 EXPECT_FALSE(canvas.getColorIfSolid(&outputColor)); |
| 108 EXPECT_FALSE(canvas.isTransparent()); |
| 109 EXPECT_TRUE(canvas.isCheap()); |
| 110 |
| 111 // Draw oval test. |
| 112 solidColorFill(canvas); |
| 113 canvas.drawOval(SkRect::MakeWH(255, 255), paint); |
| 114 |
| 115 EXPECT_FALSE(canvas.getColorIfSolid(&outputColor)); |
| 116 EXPECT_FALSE(canvas.isTransparent()); |
| 117 EXPECT_TRUE(canvas.isCheap()); |
| 118 |
| 119 // Draw bitmap test. |
| 120 solidColorFill(canvas); |
| 121 SkBitmap secondBitmap; |
| 122 secondBitmap.setConfig(SkBitmap::kNo_Config, 255, 255); |
| 123 canvas.drawBitmap(secondBitmap, 0, 0); |
| 124 |
| 125 EXPECT_FALSE(canvas.getColorIfSolid(&outputColor)); |
| 126 EXPECT_FALSE(canvas.isTransparent()); |
| 127 EXPECT_TRUE(canvas.isCheap()); |
| 128 } |
| 129 |
| 130 TEST(AnalysisCanvasTest, SimpleDrawRect) { |
| 131 SkBitmap emptyBitmap; |
| 132 emptyBitmap.setConfig(SkBitmap::kNo_Config, 255, 255); |
| 133 skia::AnalysisDevice device(emptyBitmap); |
| 134 skia::AnalysisCanvas canvas(&device); |
| 135 |
| 136 SkColor color = SkColorSetARGB(255, 11, 22, 33); |
| 137 SkPaint paint; |
| 138 paint.setColor(color); |
| 139 canvas.clipRect(SkRect::MakeWH(255, 255)); |
| 140 canvas.drawRect(SkRect::MakeWH(255, 255), paint); |
| 141 |
| 142 SkColor outputColor; |
| 143 EXPECT_TRUE(canvas.getColorIfSolid(&outputColor)); |
| 144 EXPECT_FALSE(canvas.isTransparent()); |
| 145 EXPECT_TRUE(canvas.isCheap()); |
| 146 EXPECT_EQ(color, outputColor); |
| 147 |
| 148 color = SkColorSetARGB(255, 22, 33, 44); |
| 149 paint.setColor(color); |
| 150 canvas.translate(-128, -128); |
| 151 canvas.drawRect(SkRect::MakeWH(382, 382), paint); |
| 152 |
| 153 EXPECT_FALSE(canvas.getColorIfSolid(&outputColor)); |
| 154 EXPECT_FALSE(canvas.isTransparent()); |
| 155 EXPECT_TRUE(canvas.isCheap()); |
| 156 |
| 157 color = SkColorSetARGB(255, 33, 44, 55); |
| 158 paint.setColor(color); |
| 159 canvas.drawRect(SkRect::MakeWH(383, 383), paint); |
| 160 |
| 161 EXPECT_TRUE(canvas.getColorIfSolid(&outputColor)); |
| 162 EXPECT_FALSE(canvas.isTransparent()); |
| 163 EXPECT_TRUE(canvas.isCheap()); |
| 164 EXPECT_EQ(color, outputColor); |
| 165 |
| 166 color = SkColorSetARGB(0, 0, 0, 0); |
| 167 paint.setColor(color); |
| 168 canvas.drawRect(SkRect::MakeWH(383, 383), paint); |
| 169 |
| 170 EXPECT_TRUE(canvas.getColorIfSolid(&outputColor)); |
| 171 EXPECT_FALSE(canvas.isTransparent()); |
| 172 EXPECT_TRUE(canvas.isCheap()); |
| 173 EXPECT_EQ(outputColor, SkColorSetARGB(255, 33, 44, 55)); |
| 174 |
| 175 color = SkColorSetARGB(128, 128, 128, 128); |
| 176 paint.setColor(color); |
| 177 canvas.drawRect(SkRect::MakeWH(383, 383), paint); |
| 178 |
| 179 EXPECT_FALSE(canvas.getColorIfSolid(&outputColor)); |
| 180 EXPECT_FALSE(canvas.isTransparent()); |
| 181 EXPECT_TRUE(canvas.isCheap()); |
| 182 |
| 183 paint.setXfermodeMode(SkXfermode::kClear_Mode); |
| 184 canvas.drawRect(SkRect::MakeWH(382, 382), paint); |
| 185 |
| 186 EXPECT_FALSE(canvas.getColorIfSolid(&outputColor)); |
| 187 EXPECT_FALSE(canvas.isTransparent()); |
| 188 EXPECT_TRUE(canvas.isCheap()); |
| 189 |
| 190 canvas.drawRect(SkRect::MakeWH(383, 383), paint); |
| 191 |
| 192 EXPECT_FALSE(canvas.getColorIfSolid(&outputColor)); |
| 193 EXPECT_TRUE(canvas.isTransparent()); |
| 194 EXPECT_TRUE(canvas.isCheap()); |
| 195 |
| 196 canvas.translate(128, 128); |
| 197 color = SkColorSetARGB(255, 11, 22, 33); |
| 198 paint.setColor(color); |
| 199 paint.setXfermodeMode(SkXfermode::kSrcOver_Mode); |
| 200 canvas.drawRect(SkRect::MakeWH(255, 255), paint); |
| 201 |
| 202 EXPECT_TRUE(canvas.getColorIfSolid(&outputColor)); |
| 203 EXPECT_FALSE(canvas.isTransparent()); |
| 204 EXPECT_TRUE(canvas.isCheap()); |
| 205 EXPECT_EQ(color, outputColor); |
| 206 |
| 207 canvas.rotate(50); |
| 208 canvas.drawRect(SkRect::MakeWH(255, 255), paint); |
| 209 |
| 210 EXPECT_FALSE(canvas.getColorIfSolid(&outputColor)); |
| 211 EXPECT_FALSE(canvas.isTransparent()); |
| 212 EXPECT_TRUE(canvas.isCheap()); |
| 213 } |
| 214 |
| 215 TEST(AnalysisCanvasTest, ClipPath) { |
| 216 SkBitmap emptyBitmap; |
| 217 emptyBitmap.setConfig(SkBitmap::kNo_Config, 255, 255); |
| 218 skia::AnalysisDevice device(emptyBitmap); |
| 219 skia::AnalysisCanvas canvas(&device); |
| 220 |
| 221 SkPath path; |
| 222 path.moveTo(0, 0); |
| 223 path.lineTo(255, 0); |
| 224 path.lineTo(255, 255); |
| 225 path.lineTo(0, 255); |
| 226 |
| 227 SkColor outputColor; |
| 228 solidColorFill(canvas); |
| 229 canvas.clipPath(path); |
| 230 EXPECT_FALSE(canvas.getColorIfSolid(&outputColor)); |
| 231 |
| 232 canvas.save(); |
| 233 EXPECT_FALSE(canvas.getColorIfSolid(&outputColor)); |
| 234 |
| 235 canvas.clipPath(path); |
| 236 EXPECT_FALSE(canvas.getColorIfSolid(&outputColor)); |
| 237 |
| 238 canvas.restore(); |
| 239 EXPECT_FALSE(canvas.getColorIfSolid(&outputColor)); |
| 240 |
| 241 solidColorFill(canvas); |
| 242 EXPECT_FALSE(canvas.getColorIfSolid(&outputColor)); |
| 243 } |
| 244 |
| 245 TEST(AnalysisCanvasTest, SaveLayerRestore) { |
| 246 SkBitmap emptyBitmap; |
| 247 emptyBitmap.setConfig(SkBitmap::kNo_Config, 255, 255); |
| 248 skia::AnalysisDevice device(emptyBitmap); |
| 249 skia::AnalysisCanvas canvas(&device); |
| 250 |
| 251 SkColor outputColor; |
| 252 solidColorFill(canvas); |
| 253 EXPECT_TRUE(canvas.getColorIfSolid(&outputColor)); |
| 254 |
| 255 SkRect bounds = SkRect::MakeWH(255, 255); |
| 256 SkPaint paint; |
| 257 paint.setColor(SkColorSetARGB(255, 255, 255, 255)); |
| 258 paint.setXfermodeMode(SkXfermode::kSrcOver_Mode); |
| 259 |
| 260 // This should force non-transparency |
| 261 canvas.saveLayer(&bounds, &paint, SkCanvas::kMatrix_SaveFlag); |
| 262 EXPECT_TRUE(canvas.getColorIfSolid(&outputColor)); |
| 263 EXPECT_FALSE(canvas.isTransparent()); |
| 264 |
| 265 transparentFill(canvas); |
| 266 EXPECT_FALSE(canvas.getColorIfSolid(&outputColor)); |
| 267 EXPECT_FALSE(canvas.isTransparent()); |
| 268 |
| 269 solidColorFill(canvas); |
| 270 EXPECT_TRUE(canvas.getColorIfSolid(&outputColor)); |
| 271 EXPECT_FALSE(canvas.isTransparent()); |
| 272 |
| 273 paint.setXfermodeMode(SkXfermode::kDst_Mode); |
| 274 |
| 275 // This should force non-solid color |
| 276 canvas.saveLayer(&bounds, &paint, SkCanvas::kMatrix_SaveFlag); |
| 277 EXPECT_FALSE(canvas.getColorIfSolid(&outputColor)); |
| 278 EXPECT_FALSE(canvas.isTransparent()); |
| 279 |
| 280 transparentFill(canvas); |
| 281 EXPECT_FALSE(canvas.getColorIfSolid(&outputColor)); |
| 282 EXPECT_FALSE(canvas.isTransparent()); |
| 283 |
| 284 solidColorFill(canvas); |
| 285 EXPECT_FALSE(canvas.getColorIfSolid(&outputColor)); |
| 286 EXPECT_FALSE(canvas.isTransparent()); |
| 287 |
| 288 canvas.restore(); |
| 289 EXPECT_FALSE(canvas.getColorIfSolid(&outputColor)); |
| 290 EXPECT_FALSE(canvas.isTransparent()); |
| 291 |
| 292 transparentFill(canvas); |
| 293 EXPECT_FALSE(canvas.getColorIfSolid(&outputColor)); |
| 294 EXPECT_FALSE(canvas.isTransparent()); |
| 295 |
| 296 solidColorFill(canvas); |
| 297 EXPECT_TRUE(canvas.getColorIfSolid(&outputColor)); |
| 298 EXPECT_FALSE(canvas.isTransparent()); |
| 299 |
| 300 canvas.restore(); |
| 301 EXPECT_TRUE(canvas.getColorIfSolid(&outputColor)); |
| 302 EXPECT_FALSE(canvas.isTransparent()); |
| 303 |
| 304 transparentFill(canvas); |
| 305 EXPECT_FALSE(canvas.getColorIfSolid(&outputColor)); |
| 306 EXPECT_TRUE(canvas.isTransparent()); |
| 307 |
| 308 solidColorFill(canvas); |
| 309 EXPECT_TRUE(canvas.getColorIfSolid(&outputColor)); |
| 310 EXPECT_FALSE(canvas.isTransparent()); |
| 311 } |
| 312 |
| 313 } // namespace skia |
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Chromium Code Reviews
Issue 12316084:
cc: Consolidate the analysis_canvas operations (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src