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Side by Side Diff: tests/AAClipTest.cpp

Issue 443353004: add isRect() check to AAClip, to detect if a soft-clip is really just an irect (Closed) Base URL: https://skia.googlesource.com/skia.git@master
Patch Set: Created 6 years, 4 months ago
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1 /* 1 /*
2 * Copyright 2011 Google Inc. 2 * Copyright 2011 Google Inc.
3 * 3 *
4 * Use of this source code is governed by a BSD-style license that can be 4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file. 5 * found in the LICENSE file.
6 */ 6 */
7 7
8 #include "SkAAClip.h" 8 #include "SkAAClip.h"
9 #include "SkCanvas.h" 9 #include "SkCanvas.h"
10 #include "SkMask.h" 10 #include "SkMask.h"
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311 clip.setPath(path, NULL, 1 == i); 311 clip.setPath(path, NULL, 1 == i);
312 312
313 SkMask mask; 313 SkMask mask;
314 clip.copyToMask(&mask); 314 clip.copyToMask(&mask);
315 SkAutoMaskFreeImage freeM(mask.fImage); 315 SkAutoMaskFreeImage freeM(mask.fImage);
316 316
317 REPORTER_ASSERT(reporter, expected == mask); 317 REPORTER_ASSERT(reporter, expected == mask);
318 } 318 }
319 } 319 }
320 320
321 static void test_really_a_rect(skiatest::Reporter* reporter) {
322 SkRRect rrect;
323 rrect.setRectXY(SkRect::MakeWH(100, 100), 5, 5);
324
325 SkPath path;
326 path.addRRect(rrect);
327
328 SkAAClip clip;
329 clip.setPath(path);
330
331 REPORTER_ASSERT(reporter, clip.getBounds() == SkIRect::MakeWH(100, 100));
332 REPORTER_ASSERT(reporter, !clip.isRect());
333
334 // This rect should intersect the clip, but slice-out all of the "soft" part s,
335 // leaving just a rect.
336 const SkIRect ir = SkIRect::MakeLTRB(10, -10, 50, 90);
337
338 clip.op(ir, SkRegion::kIntersect_Op);
339
340 REPORTER_ASSERT(reporter, clip.getBounds() == SkIRect::MakeLTRB(10, 0, 50, 9 0));
341 // the clip recognized that that it is just a rect!
342 REPORTER_ASSERT(reporter, clip.isRect());
343 }
344
321 #include "SkRasterClip.h" 345 #include "SkRasterClip.h"
322 346
323 static void copyToMask(const SkRasterClip& rc, SkMask* mask) { 347 static void copyToMask(const SkRasterClip& rc, SkMask* mask) {
324 if (rc.isAA()) { 348 if (rc.isAA()) {
325 rc.aaRgn().copyToMask(mask); 349 rc.aaRgn().copyToMask(mask);
326 } else { 350 } else {
327 copyToMask(rc.bwRgn(), mask); 351 copyToMask(rc.bwRgn(), mask);
328 } 352 }
329 } 353 }
330 354
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397 } 421 }
398 422
399 DEF_TEST(AAClip, reporter) { 423 DEF_TEST(AAClip, reporter) {
400 test_empty(reporter); 424 test_empty(reporter);
401 test_path_bounds(reporter); 425 test_path_bounds(reporter);
402 test_irect(reporter); 426 test_irect(reporter);
403 test_rgn(reporter); 427 test_rgn(reporter);
404 test_path_with_hole(reporter); 428 test_path_with_hole(reporter);
405 test_regressions(); 429 test_regressions();
406 test_nearly_integral(reporter); 430 test_nearly_integral(reporter);
431 test_really_a_rect(reporter);
407 } 432 }
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