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 "cc/output/filter_operations.h" 6 #include "skia/ext/refptr.h" 7 #include "testing/gtest/include/gtest/gtest.h" 8 #include "third_party/skia/include/effects/SkBlurImageFilter.h" 9 #include "ui/gfx/point.h" 10 11 namespace cc { 12 namespace { 13 14 TEST(FilterOperationsTest, GetOutsetsBlur) { 15 FilterOperations ops; 16 ops.Append(FilterOperation::CreateBlurFilter(20)); 17 int top, right, bottom, left; 18 top = right = bottom = left = 0; 19 ops.GetOutsets(&top, &right, &bottom, &left); 20 EXPECT_EQ(57, top); 21 EXPECT_EQ(57, right); 22 EXPECT_EQ(57, bottom); 23 EXPECT_EQ(57, left); 24 } 25 26 TEST(FilterOperationsTest, GetOutsetsDropShadow) { 27 FilterOperations ops; 28 ops.Append(FilterOperation::CreateDropShadowFilter(gfx::Point(3, 8), 20, 0)); 29 int top, right, bottom, left; 30 top = right = bottom = left = 0; 31 ops.GetOutsets(&top, &right, &bottom, &left); 32 EXPECT_EQ(49, top); 33 EXPECT_EQ(60, right); 34 EXPECT_EQ(65, bottom); 35 EXPECT_EQ(54, left); 36 } 37 38 #define SAVE_RESTORE_AMOUNT(filter_name, filter_type, a) \ 39 { \ 40 FilterOperation op = FilterOperation::Create##filter_name##Filter(a); \ 41 EXPECT_EQ(FilterOperation::filter_type, op.type()); \ 42 EXPECT_EQ(a, op.amount()); \ 43 \ 44 FilterOperation op2 = FilterOperation::CreateEmptyFilter(); \ 45 op2.set_type(FilterOperation::filter_type); \ 46 \ 47 EXPECT_NE(a, op2.amount()); \ 48 \ 49 op2.set_amount(a); \ 50 \ 51 EXPECT_EQ(FilterOperation::filter_type, op2.type()); \ 52 EXPECT_EQ(a, op2.amount()); \ 53 } 54 55 #define SAVE_RESTORE_OFFSET_AMOUNT_COLOR(filter_name, filter_type, a, b, c) \ 56 { \ 57 FilterOperation op = \ 58 FilterOperation::Create##filter_name##Filter(a, b, c); \ 59 EXPECT_EQ(FilterOperation::filter_type, op.type()); \ 60 EXPECT_EQ(a, op.drop_shadow_offset()); \ 61 EXPECT_EQ(b, op.amount()); \ 62 EXPECT_EQ(c, op.drop_shadow_color()); \ 63 \ 64 FilterOperation op2 = FilterOperation::CreateEmptyFilter(); \ 65 op2.set_type(FilterOperation::filter_type); \ 66 \ 67 EXPECT_NE(a, op2.drop_shadow_offset()); \ 68 EXPECT_NE(b, op2.amount()); \ 69 EXPECT_NE(c, op2.drop_shadow_color()); \ 70 \ 71 op2.set_drop_shadow_offset(a); \ 72 op2.set_amount(b); \ 73 op2.set_drop_shadow_color(c); \ 74 \ 75 EXPECT_EQ(FilterOperation::filter_type, op2.type()); \ 76 EXPECT_EQ(a, op2.drop_shadow_offset()); \ 77 EXPECT_EQ(b, op2.amount()); \ 78 EXPECT_EQ(c, op2.drop_shadow_color()); \ 79 } 80 81 #define SAVE_RESTORE_MATRIX(filter_name, filter_type, a) \ 82 { \ 83 FilterOperation op = FilterOperation::Create##filter_name##Filter(a); \ 84 EXPECT_EQ(FilterOperation::filter_type, op.type()); \ 85 for (size_t i = 0; i < 20; ++i) \ 86 EXPECT_EQ(a[i], op.matrix()[i]); \ 87 \ 88 FilterOperation op2 = FilterOperation::CreateEmptyFilter(); \ 89 op2.set_type(FilterOperation::filter_type); \ 90 \ 91 for (size_t i = 0; i < 20; ++i) \ 92 EXPECT_NE(a[i], op2.matrix()[i]); \ 93 \ 94 op2.set_matrix(a); \ 95 \ 96 EXPECT_EQ(FilterOperation::filter_type, op2.type()); \ 97 for (size_t i = 0; i < 20; ++i) \ 98 EXPECT_EQ(a[i], op.matrix()[i]); \ 99 } 100 101 #define SAVE_RESTORE_AMOUNT_INSET(filter_name, filter_type, a, b) \ 102 { \ 103 FilterOperation op = FilterOperation::Create##filter_name##Filter(a, b); \ 104 EXPECT_EQ(FilterOperation::filter_type, op.type()); \ 105 EXPECT_EQ(a, op.amount()); \ 106 EXPECT_EQ(b, op.zoom_inset()); \ 107 \ 108 FilterOperation op2 = FilterOperation::CreateEmptyFilter(); \ 109 op2.set_type(FilterOperation::filter_type); \ 110 \ 111 EXPECT_NE(a, op2.amount()); \ 112 EXPECT_NE(b, op2.zoom_inset()); \ 113 \ 114 op2.set_amount(a); \ 115 op2.set_zoom_inset(b); \ 116 \ 117 EXPECT_EQ(FilterOperation::filter_type, op2.type()); \ 118 EXPECT_EQ(a, op2.amount()); \ 119 EXPECT_EQ(b, op2.zoom_inset()); \ 120 } 121 122 TEST(FilterOperationsTest, SaveAndRestore) { 123 SAVE_RESTORE_AMOUNT(Grayscale, GRAYSCALE, 0.6f); 124 SAVE_RESTORE_AMOUNT(Sepia, SEPIA, 0.6f); 125 SAVE_RESTORE_AMOUNT(Saturate, SATURATE, 0.6f); 126 SAVE_RESTORE_AMOUNT(HueRotate, HUE_ROTATE, 0.6f); 127 SAVE_RESTORE_AMOUNT(Invert, INVERT, 0.6f); 128 SAVE_RESTORE_AMOUNT(Brightness, BRIGHTNESS, 0.6f); 129 SAVE_RESTORE_AMOUNT(Contrast, CONTRAST, 0.6f); 130 SAVE_RESTORE_AMOUNT(Opacity, OPACITY, 0.6f); 131 SAVE_RESTORE_AMOUNT(Blur, BLUR, 0.6f); 132 SAVE_RESTORE_AMOUNT(SaturatingBrightness, SATURATING_BRIGHTNESS, 0.6f); 133 SAVE_RESTORE_OFFSET_AMOUNT_COLOR( 134 DropShadow, DROP_SHADOW, gfx::Point(3, 4), 0.4f, 0xffffff00); 135 136 SkScalar matrix[20] = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 137 17, 18, 19, 20}; 138 SAVE_RESTORE_MATRIX(ColorMatrix, COLOR_MATRIX, matrix); 139 140 SAVE_RESTORE_AMOUNT_INSET(Zoom, ZOOM, 0.5f, 32); 141 } 142 143 TEST(FilterOperationsTest, BlendGrayscaleFilters) { 144 FilterOperation from = FilterOperation::CreateGrayscaleFilter(0.25f); 145 FilterOperation to = FilterOperation::CreateGrayscaleFilter(0.75f); 146 147 FilterOperation blended = FilterOperation::Blend(&from, &to, -0.75); 148 FilterOperation expected = FilterOperation::CreateGrayscaleFilter(0.f); 149 EXPECT_EQ(expected, blended); 150 151 blended = FilterOperation::Blend(&from, &to, 0.75); 152 expected = FilterOperation::CreateGrayscaleFilter(0.625f); 153 EXPECT_EQ(expected, blended); 154 155 blended = FilterOperation::Blend(&from, &to, 1.8); 156 expected = FilterOperation::CreateGrayscaleFilter(1.f); 157 EXPECT_EQ(expected, blended); 158 } 159 160 TEST(FilterOperationsTest, BlendGrayscaleWithNull) { 161 FilterOperation filter = FilterOperation::CreateGrayscaleFilter(1.f); 162 163 FilterOperation blended = FilterOperation::Blend(&filter, NULL, 0.25); 164 FilterOperation expected = FilterOperation::CreateGrayscaleFilter(0.75f); 165 EXPECT_EQ(expected, blended); 166 167 blended = FilterOperation::Blend(NULL, &filter, 0.25); 168 expected = FilterOperation::CreateGrayscaleFilter(0.25f); 169 EXPECT_EQ(expected, blended); 170 } 171 172 TEST(FilterOperationsTest, BlendSepiaFilters) { 173 FilterOperation from = FilterOperation::CreateSepiaFilter(0.25f); 174 FilterOperation to = FilterOperation::CreateSepiaFilter(0.75f); 175 176 FilterOperation blended = FilterOperation::Blend(&from, &to, -0.75); 177 FilterOperation expected = FilterOperation::CreateSepiaFilter(0.f); 178 EXPECT_EQ(expected, blended); 179 180 blended = FilterOperation::Blend(&from, &to, 0.75); 181 expected = FilterOperation::CreateSepiaFilter(0.625f); 182 EXPECT_EQ(expected, blended); 183 184 blended = FilterOperation::Blend(&from, &to, 1.8); 185 expected = FilterOperation::CreateSepiaFilter(1.f); 186 EXPECT_EQ(expected, blended); 187 } 188 189 TEST(FilterOperationsTest, BlendSepiaWithNull) { 190 FilterOperation filter = FilterOperation::CreateSepiaFilter(1.f); 191 192 FilterOperation blended = FilterOperation::Blend(&filter, NULL, 0.25); 193 FilterOperation expected = FilterOperation::CreateSepiaFilter(0.75f); 194 EXPECT_EQ(expected, blended); 195 196 blended = FilterOperation::Blend(NULL, &filter, 0.25); 197 expected = FilterOperation::CreateSepiaFilter(0.25f); 198 EXPECT_EQ(expected, blended); 199 } 200 201 TEST(FilterOperationsTest, BlendSaturateFilters) { 202 FilterOperation from = FilterOperation::CreateSaturateFilter(0.25f); 203 FilterOperation to = FilterOperation::CreateSaturateFilter(0.75f); 204 205 FilterOperation blended = FilterOperation::Blend(&from, &to, -0.75); 206 FilterOperation expected = FilterOperation::CreateSaturateFilter(0.f); 207 EXPECT_EQ(expected, blended); 208 209 blended = FilterOperation::Blend(&from, &to, 0.75); 210 expected = FilterOperation::CreateSaturateFilter(0.625f); 211 EXPECT_EQ(expected, blended); 212 213 blended = FilterOperation::Blend(&from, &to, 2.0); 214 expected = FilterOperation::CreateSaturateFilter(1.25f); 215 EXPECT_EQ(expected, blended); 216 } 217 218 TEST(FilterOperationsTest, BlendSaturateWithNull) { 219 FilterOperation filter = FilterOperation::CreateSaturateFilter(0.f); 220 221 FilterOperation blended = FilterOperation::Blend(&filter, NULL, 0.25); 222 FilterOperation expected = FilterOperation::CreateSaturateFilter(0.25f); 223 EXPECT_EQ(expected, blended); 224 225 blended = FilterOperation::Blend(NULL, &filter, 0.25); 226 expected = FilterOperation::CreateSaturateFilter(0.75f); 227 EXPECT_EQ(expected, blended); 228 } 229 230 TEST(FilterOperationsTest, BlendHueRotateFilters) { 231 FilterOperation from = FilterOperation::CreateHueRotateFilter(3.f); 232 FilterOperation to = FilterOperation::CreateHueRotateFilter(7.f); 233 234 FilterOperation blended = FilterOperation::Blend(&from, &to, -0.75); 235 FilterOperation expected = FilterOperation::CreateHueRotateFilter(0.f); 236 EXPECT_EQ(expected, blended); 237 238 blended = FilterOperation::Blend(&from, &to, 0.75); 239 expected = FilterOperation::CreateHueRotateFilter(6.f); 240 EXPECT_EQ(expected, blended); 241 242 blended = FilterOperation::Blend(&from, &to, 1.5); 243 expected = FilterOperation::CreateHueRotateFilter(9.f); 244 EXPECT_EQ(expected, blended); 245 } 246 247 TEST(FilterOperationsTest, BlendHueRotateWithNull) { 248 FilterOperation filter = FilterOperation::CreateHueRotateFilter(1.f); 249 250 FilterOperation blended = FilterOperation::Blend(&filter, NULL, 0.25); 251 FilterOperation expected = FilterOperation::CreateHueRotateFilter(0.75f); 252 EXPECT_EQ(expected, blended); 253 254 blended = FilterOperation::Blend(NULL, &filter, 0.25); 255 expected = FilterOperation::CreateHueRotateFilter(0.25f); 256 EXPECT_EQ(expected, blended); 257 } 258 259 TEST(FilterOperationsTest, BlendInvertFilters) { 260 FilterOperation from = FilterOperation::CreateInvertFilter(0.25f); 261 FilterOperation to = FilterOperation::CreateInvertFilter(0.75f); 262 263 FilterOperation blended = FilterOperation::Blend(&from, &to, -0.75); 264 FilterOperation expected = FilterOperation::CreateInvertFilter(0.f); 265 EXPECT_EQ(expected, blended); 266 267 blended = FilterOperation::Blend(&from, &to, 0.75); 268 expected = FilterOperation::CreateInvertFilter(0.625f); 269 EXPECT_EQ(expected, blended); 270 271 blended = FilterOperation::Blend(&from, &to, 1.8); 272 expected = FilterOperation::CreateInvertFilter(1.f); 273 EXPECT_EQ(expected, blended); 274 } 275 276 TEST(FilterOperationsTest, BlendInvertWithNull) { 277 FilterOperation filter = FilterOperation::CreateInvertFilter(1.f); 278 279 FilterOperation blended = FilterOperation::Blend(&filter, NULL, 0.25); 280 FilterOperation expected = FilterOperation::CreateInvertFilter(0.75f); 281 EXPECT_EQ(expected, blended); 282 283 blended = FilterOperation::Blend(NULL, &filter, 0.25); 284 expected = FilterOperation::CreateInvertFilter(0.25f); 285 EXPECT_EQ(expected, blended); 286 } 287 288 TEST(FilterOperationsTest, BlendBrightnessFilters) { 289 FilterOperation from = FilterOperation::CreateBrightnessFilter(3.f); 290 FilterOperation to = FilterOperation::CreateBrightnessFilter(7.f); 291 292 FilterOperation blended = FilterOperation::Blend(&from, &to, -0.9); 293 FilterOperation expected = FilterOperation::CreateBrightnessFilter(0.f); 294 EXPECT_EQ(expected, blended); 295 296 blended = FilterOperation::Blend(&from, &to, 0.75); 297 expected = FilterOperation::CreateBrightnessFilter(6.f); 298 EXPECT_EQ(expected, blended); 299 300 blended = FilterOperation::Blend(&from, &to, 1.5); 301 expected = FilterOperation::CreateBrightnessFilter(9.f); 302 EXPECT_EQ(expected, blended); 303 } 304 305 TEST(FilterOperationsTest, BlendBrightnessWithNull) { 306 FilterOperation filter = FilterOperation::CreateBrightnessFilter(0.f); 307 308 FilterOperation blended = FilterOperation::Blend(&filter, NULL, 0.25); 309 FilterOperation expected = FilterOperation::CreateBrightnessFilter(0.25f); 310 EXPECT_EQ(expected, blended); 311 312 blended = FilterOperation::Blend(NULL, &filter, 0.25); 313 expected = FilterOperation::CreateBrightnessFilter(0.75f); 314 EXPECT_EQ(expected, blended); 315 } 316 317 TEST(FilterOperationsTest, BlendContrastFilters) { 318 FilterOperation from = FilterOperation::CreateContrastFilter(3.f); 319 FilterOperation to = FilterOperation::CreateContrastFilter(7.f); 320 321 FilterOperation blended = FilterOperation::Blend(&from, &to, -0.9); 322 FilterOperation expected = FilterOperation::CreateContrastFilter(0.f); 323 EXPECT_EQ(expected, blended); 324 325 blended = FilterOperation::Blend(&from, &to, 0.75); 326 expected = FilterOperation::CreateContrastFilter(6.f); 327 EXPECT_EQ(expected, blended); 328 329 blended = FilterOperation::Blend(&from, &to, 1.5); 330 expected = FilterOperation::CreateContrastFilter(9.f); 331 EXPECT_EQ(expected, blended); 332 } 333 334 TEST(FilterOperationsTest, BlendContrastWithNull) { 335 FilterOperation filter = FilterOperation::CreateContrastFilter(0.f); 336 337 FilterOperation blended = FilterOperation::Blend(&filter, NULL, 0.25); 338 FilterOperation expected = FilterOperation::CreateContrastFilter(0.25f); 339 EXPECT_EQ(expected, blended); 340 341 blended = FilterOperation::Blend(NULL, &filter, 0.25); 342 expected = FilterOperation::CreateContrastFilter(0.75f); 343 EXPECT_EQ(expected, blended); 344 } 345 346 TEST(FilterOperationsTest, BlendOpacityFilters) { 347 FilterOperation from = FilterOperation::CreateOpacityFilter(0.25f); 348 FilterOperation to = FilterOperation::CreateOpacityFilter(0.75f); 349 350 FilterOperation blended = FilterOperation::Blend(&from, &to, -0.75); 351 FilterOperation expected = FilterOperation::CreateOpacityFilter(0.f); 352 EXPECT_EQ(expected, blended); 353 354 blended = FilterOperation::Blend(&from, &to, 0.75); 355 expected = FilterOperation::CreateOpacityFilter(0.625f); 356 EXPECT_EQ(expected, blended); 357 358 blended = FilterOperation::Blend(&from, &to, 1.8); 359 expected = FilterOperation::CreateOpacityFilter(1.f); 360 EXPECT_EQ(expected, blended); 361 } 362 363 TEST(FilterOperationsTest, BlendOpacityWithNull) { 364 FilterOperation filter = FilterOperation::CreateOpacityFilter(0.f); 365 366 FilterOperation blended = FilterOperation::Blend(&filter, NULL, 0.25); 367 FilterOperation expected = FilterOperation::CreateOpacityFilter(0.25f); 368 EXPECT_EQ(expected, blended); 369 370 blended = FilterOperation::Blend(NULL, &filter, 0.25); 371 expected = FilterOperation::CreateOpacityFilter(0.75f); 372 EXPECT_EQ(expected, blended); 373 } 374 375 TEST(FilterOperationsTest, BlendBlurFilters) { 376 FilterOperation from = FilterOperation::CreateBlurFilter(3.f); 377 FilterOperation to = FilterOperation::CreateBlurFilter(7.f); 378 379 FilterOperation blended = FilterOperation::Blend(&from, &to, -0.9); 380 FilterOperation expected = FilterOperation::CreateBlurFilter(0.f); 381 EXPECT_EQ(expected, blended); 382 383 blended = FilterOperation::Blend(&from, &to, 0.75); 384 expected = FilterOperation::CreateBlurFilter(6.f); 385 EXPECT_EQ(expected, blended); 386 387 blended = FilterOperation::Blend(&from, &to, 1.5); 388 expected = FilterOperation::CreateBlurFilter(9.f); 389 EXPECT_EQ(expected, blended); 390 } 391 392 TEST(FilterOperationsTest, BlendBlurWithNull) { 393 FilterOperation filter = FilterOperation::CreateBlurFilter(1.f); 394 395 FilterOperation blended = FilterOperation::Blend(&filter, NULL, 0.25); 396 FilterOperation expected = FilterOperation::CreateBlurFilter(0.75f); 397 EXPECT_EQ(expected, blended); 398 399 blended = FilterOperation::Blend(NULL, &filter, 0.25); 400 expected = FilterOperation::CreateBlurFilter(0.25f); 401 EXPECT_EQ(expected, blended); 402 } 403 404 TEST(FilterOperationsTest, BlendDropShadowFilters) { 405 FilterOperation from = FilterOperation::CreateDropShadowFilter( 406 gfx::Point(0, 0), 2.f, SkColorSetARGB(15, 34, 68, 136)); 407 FilterOperation to = FilterOperation::CreateDropShadowFilter( 408 gfx::Point(3, 5), 6.f, SkColorSetARGB(51, 30, 60, 120)); 409 410 FilterOperation blended = FilterOperation::Blend(&from, &to, -0.75); 411 FilterOperation expected = FilterOperation::CreateDropShadowFilter( 412 gfx::Point(-2, -4), 0.f, SkColorSetARGB(0, 0, 0, 0)); 413 EXPECT_EQ(expected, blended); 414 415 blended = FilterOperation::Blend(&from, &to, 0.25); 416 expected = FilterOperation::CreateDropShadowFilter( 417 gfx::Point(1, 1), 3.f, SkColorSetARGB(24, 32, 64, 128)); 418 EXPECT_EQ(expected, blended); 419 420 blended = FilterOperation::Blend(&from, &to, 0.75); 421 expected = FilterOperation::CreateDropShadowFilter( 422 gfx::Point(2, 4), 5.f, SkColorSetARGB(42, 30, 61, 121)); 423 EXPECT_EQ(expected, blended); 424 425 blended = FilterOperation::Blend(&from, &to, 1.5); 426 expected = FilterOperation::CreateDropShadowFilter( 427 gfx::Point(5, 8), 8.f, SkColorSetARGB(69, 30, 59, 118)); 428 EXPECT_EQ(expected, blended); 429 } 430 431 TEST(FilterOperationsTest, BlendDropShadowWithNull) { 432 FilterOperation filter = FilterOperation::CreateDropShadowFilter( 433 gfx::Point(4, 4), 4.f, SkColorSetARGB(255, 40, 0, 0)); 434 435 FilterOperation blended = FilterOperation::Blend(&filter, NULL, 0.25); 436 FilterOperation expected = FilterOperation::CreateDropShadowFilter( 437 gfx::Point(3, 3), 3.f, SkColorSetARGB(191, 40, 0, 0)); 438 EXPECT_EQ(expected, blended); 439 440 blended = FilterOperation::Blend(NULL, &filter, 0.25); 441 expected = FilterOperation::CreateDropShadowFilter( 442 gfx::Point(1, 1), 1.f, SkColorSetARGB(64, 40, 0, 0)); 443 EXPECT_EQ(expected, blended); 444 } 445 446 TEST(FilterOperationsTest, BlendZoomFilters) { 447 FilterOperation from = FilterOperation::CreateZoomFilter(2.f, 3); 448 FilterOperation to = FilterOperation::CreateZoomFilter(6.f, 0); 449 450 FilterOperation blended = FilterOperation::Blend(&from, &to, -0.75); 451 FilterOperation expected = FilterOperation::CreateZoomFilter(1.f, 5); 452 EXPECT_EQ(expected, blended); 453 454 blended = FilterOperation::Blend(&from, &to, 0.75); 455 expected = FilterOperation::CreateZoomFilter(5.f, 1); 456 EXPECT_EQ(expected, blended); 457 458 blended = FilterOperation::Blend(&from, &to, 1.5); 459 expected = FilterOperation::CreateZoomFilter(8.f, 0); 460 EXPECT_EQ(expected, blended); 461 } 462 463 TEST(FilterOperationsTest, BlendZoomWithNull) { 464 FilterOperation filter = FilterOperation::CreateZoomFilter(2.f, 1); 465 466 FilterOperation blended = FilterOperation::Blend(&filter, NULL, 0.25); 467 FilterOperation expected = FilterOperation::CreateZoomFilter(1.75f, 1); 468 EXPECT_EQ(expected, blended); 469 470 blended = FilterOperation::Blend(NULL, &filter, 0.25); 471 expected = FilterOperation::CreateZoomFilter(1.25f, 0); 472 EXPECT_EQ(expected, blended); 473 } 474 475 TEST(FilterOperationsTest, BlendSaturatingBrightnessFilters) { 476 FilterOperation from = FilterOperation::CreateSaturatingBrightnessFilter(3.f); 477 FilterOperation to = FilterOperation::CreateSaturatingBrightnessFilter(7.f); 478 479 FilterOperation blended = FilterOperation::Blend(&from, &to, -0.75); 480 FilterOperation expected = 481 FilterOperation::CreateSaturatingBrightnessFilter(0.f); 482 EXPECT_EQ(expected, blended); 483 484 blended = FilterOperation::Blend(&from, &to, 0.75); 485 expected = FilterOperation::CreateSaturatingBrightnessFilter(6.f); 486 EXPECT_EQ(expected, blended); 487 488 blended = FilterOperation::Blend(&from, &to, 1.5); 489 expected = FilterOperation::CreateSaturatingBrightnessFilter(9.f); 490 EXPECT_EQ(expected, blended); 491 } 492 493 TEST(FilterOperationsTest, BlendSaturatingBrightnessWithNull) { 494 FilterOperation filter = 495 FilterOperation::CreateSaturatingBrightnessFilter(1.f); 496 497 FilterOperation blended = FilterOperation::Blend(&filter, NULL, 0.25); 498 FilterOperation expected = 499 FilterOperation::CreateSaturatingBrightnessFilter(0.75f); 500 EXPECT_EQ(expected, blended); 501 502 blended = FilterOperation::Blend(NULL, &filter, 0.25); 503 expected = FilterOperation::CreateSaturatingBrightnessFilter(0.25f); 504 EXPECT_EQ(expected, blended); 505 } 506 507 TEST(FilterOperationsTest, BlendReferenceFilters) { 508 skia::RefPtr<SkImageFilter> from_filter = 509 skia::AdoptRef(SkBlurImageFilter::Create(1.f, 1.f)); 510 skia::RefPtr<SkImageFilter> to_filter = 511 skia::AdoptRef(SkBlurImageFilter::Create(2.f, 2.f)); 512 FilterOperation from = FilterOperation::CreateReferenceFilter(from_filter); 513 FilterOperation to = FilterOperation::CreateReferenceFilter(to_filter); 514 515 FilterOperation blended = FilterOperation::Blend(&from, &to, -0.75); 516 EXPECT_EQ(from, blended); 517 518 blended = FilterOperation::Blend(&from, &to, 0.5); 519 EXPECT_EQ(from, blended); 520 521 blended = FilterOperation::Blend(&from, &to, 0.6); 522 EXPECT_EQ(to, blended); 523 524 blended = FilterOperation::Blend(&from, &to, 1.5); 525 EXPECT_EQ(to, blended); 526 } 527 528 TEST(FilterOperationsTest, BlendReferenceWithNull) { 529 skia::RefPtr<SkImageFilter> image_filter = 530 skia::AdoptRef(SkBlurImageFilter::Create(1.f, 1.f)); 531 FilterOperation filter = FilterOperation::CreateReferenceFilter(image_filter); 532 FilterOperation null_filter = 533 FilterOperation::CreateReferenceFilter(skia::RefPtr<SkImageFilter>()); 534 535 FilterOperation blended = FilterOperation::Blend(&filter, NULL, 0.25); 536 EXPECT_EQ(filter, blended); 537 blended = FilterOperation::Blend(&filter, NULL, 0.75); 538 EXPECT_EQ(null_filter, blended); 539 540 blended = FilterOperation::Blend(NULL, &filter, 0.25); 541 EXPECT_EQ(null_filter, blended); 542 blended = FilterOperation::Blend(NULL, &filter, 0.75); 543 EXPECT_EQ(filter, blended); 544 } 545 546 // Tests blending non-empty sequences that have the same length and matching 547 // operations. 548 TEST(FilterOperationsTest, BlendMatchingSequences) { 549 FilterOperations from; 550 FilterOperations to; 551 552 from.Append(FilterOperation::CreateBlurFilter(0.f)); 553 to.Append(FilterOperation::CreateBlurFilter(2.f)); 554 555 from.Append(FilterOperation::CreateSaturateFilter(4.f)); 556 to.Append(FilterOperation::CreateSaturateFilter(0.f)); 557 558 from.Append(FilterOperation::CreateZoomFilter(2.0f, 1)); 559 to.Append(FilterOperation::CreateZoomFilter(10.f, 9)); 560 561 FilterOperations blended = to.Blend(from, -0.75); 562 FilterOperations expected; 563 expected.Append(FilterOperation::CreateBlurFilter(0.f)); 564 expected.Append(FilterOperation::CreateSaturateFilter(7.f)); 565 expected.Append(FilterOperation::CreateZoomFilter(1.f, 0)); 566 EXPECT_EQ(blended, expected); 567 568 blended = to.Blend(from, 0.75); 569 expected.Clear(); 570 expected.Append(FilterOperation::CreateBlurFilter(1.5f)); 571 expected.Append(FilterOperation::CreateSaturateFilter(1.f)); 572 expected.Append(FilterOperation::CreateZoomFilter(8.f, 7)); 573 EXPECT_EQ(blended, expected); 574 575 blended = to.Blend(from, 1.5); 576 expected.Clear(); 577 expected.Append(FilterOperation::CreateBlurFilter(3.f)); 578 expected.Append(FilterOperation::CreateSaturateFilter(0.f)); 579 expected.Append(FilterOperation::CreateZoomFilter(14.f, 13)); 580 EXPECT_EQ(blended, expected); 581 } 582 583 TEST(FilterOperationsTest, BlendEmptyAndNonEmptySequences) { 584 FilterOperations empty; 585 FilterOperations filters; 586 587 filters.Append(FilterOperation::CreateGrayscaleFilter(0.75f)); 588 filters.Append(FilterOperation::CreateBrightnessFilter(2.f)); 589 filters.Append(FilterOperation::CreateHueRotateFilter(10.0f)); 590 591 FilterOperations blended = empty.Blend(filters, -0.75); 592 FilterOperations expected; 593 expected.Append(FilterOperation::CreateGrayscaleFilter(1.f)); 594 expected.Append(FilterOperation::CreateBrightnessFilter(2.75f)); 595 expected.Append(FilterOperation::CreateHueRotateFilter(17.5f)); 596 EXPECT_EQ(blended, expected); 597 598 blended = empty.Blend(filters, 0.75); 599 expected.Clear(); 600 expected.Append(FilterOperation::CreateGrayscaleFilter(0.1875f)); 601 expected.Append(FilterOperation::CreateBrightnessFilter(1.25f)); 602 expected.Append(FilterOperation::CreateHueRotateFilter(2.5f)); 603 EXPECT_EQ(blended, expected); 604 605 blended = empty.Blend(filters, 1.5); 606 expected.Clear(); 607 expected.Append(FilterOperation::CreateGrayscaleFilter(0.f)); 608 expected.Append(FilterOperation::CreateBrightnessFilter(0.5f)); 609 expected.Append(FilterOperation::CreateHueRotateFilter(-5.f)); 610 EXPECT_EQ(blended, expected); 611 612 blended = filters.Blend(empty, -0.75); 613 expected.Clear(); 614 expected.Append(FilterOperation::CreateGrayscaleFilter(0.f)); 615 expected.Append(FilterOperation::CreateBrightnessFilter(0.25f)); 616 expected.Append(FilterOperation::CreateHueRotateFilter(-7.5f)); 617 EXPECT_EQ(blended, expected); 618 619 blended = filters.Blend(empty, 0.75); 620 expected.Clear(); 621 expected.Append(FilterOperation::CreateGrayscaleFilter(0.5625f)); 622 expected.Append(FilterOperation::CreateBrightnessFilter(1.75f)); 623 expected.Append(FilterOperation::CreateHueRotateFilter(7.5f)); 624 EXPECT_EQ(blended, expected); 625 626 blended = filters.Blend(empty, 1.5); 627 expected.Clear(); 628 expected.Append(FilterOperation::CreateGrayscaleFilter(1.f)); 629 expected.Append(FilterOperation::CreateBrightnessFilter(2.5f)); 630 expected.Append(FilterOperation::CreateHueRotateFilter(15.f)); 631 EXPECT_EQ(blended, expected); 632 } 633 634 TEST(FilterOperationsTest, BlendEmptySequences) { 635 FilterOperations empty; 636 637 FilterOperations blended = empty.Blend(empty, -0.75); 638 EXPECT_EQ(blended, empty); 639 640 blended = empty.Blend(empty, 0.75); 641 EXPECT_EQ(blended, empty); 642 643 blended = empty.Blend(empty, 1.5); 644 EXPECT_EQ(blended, empty); 645 } 646 647 // Tests blending non-empty sequences that have non-matching operations. 648 TEST(FilterOperationsTest, BlendNonMatchingSequences) { 649 FilterOperations from; 650 FilterOperations to; 651 652 from.Append(FilterOperation::CreateSaturateFilter(3.f)); 653 from.Append(FilterOperation::CreateBlurFilter(2.f)); 654 to.Append(FilterOperation::CreateSaturateFilter(4.f)); 655 to.Append(FilterOperation::CreateHueRotateFilter(0.5f)); 656 657 FilterOperations blended = to.Blend(from, -0.75); 658 EXPECT_EQ(to, blended); 659 blended = to.Blend(from, 0.75); 660 EXPECT_EQ(to, blended); 661 blended = to.Blend(from, 1.5); 662 EXPECT_EQ(to, blended); 663 } 664 665 // Tests blending non-empty sequences of different sizes. 666 TEST(FilterOperationsTest, BlendRaggedSequences) { 667 FilterOperations from; 668 FilterOperations to; 669 670 from.Append(FilterOperation::CreateSaturateFilter(3.f)); 671 from.Append(FilterOperation::CreateBlurFilter(2.f)); 672 to.Append(FilterOperation::CreateSaturateFilter(4.f)); 673 674 FilterOperations blended = to.Blend(from, -0.75); 675 FilterOperations expected; 676 expected.Append(FilterOperation::CreateSaturateFilter(2.25f)); 677 expected.Append(FilterOperation::CreateBlurFilter(3.5f)); 678 EXPECT_EQ(expected, blended); 679 680 blended = to.Blend(from, 0.75); 681 expected.Clear(); 682 expected.Append(FilterOperation::CreateSaturateFilter(3.75f)); 683 expected.Append(FilterOperation::CreateBlurFilter(0.5f)); 684 EXPECT_EQ(expected, blended); 685 686 blended = to.Blend(from, 1.5); 687 expected.Clear(); 688 expected.Append(FilterOperation::CreateSaturateFilter(4.5f)); 689 expected.Append(FilterOperation::CreateBlurFilter(0.f)); 690 EXPECT_EQ(expected, blended); 691 692 from.Append(FilterOperation::CreateOpacityFilter(1.f)); 693 to.Append(FilterOperation::CreateOpacityFilter(1.f)); 694 blended = to.Blend(from, -0.75); 695 EXPECT_EQ(to, blended); 696 blended = to.Blend(from, 0.75); 697 EXPECT_EQ(to, blended); 698 blended = to.Blend(from, 1.5); 699 EXPECT_EQ(to, blended); 700 } 701 702 } // namespace 703 } // namespace cc 704
