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      1 /*
      2  * Copyright 2015 Google Inc.
      3  *
      4  * Use of this source code is governed by a BSD-style license that can be
      5  * found in the LICENSE file.
      6  */
      7 
      8 #include "SkAlphaThresholdFilter.h"
      9 #include "SkImage.h"
     10 #include "Test.h"
     11 
     12 static void test_flattenable(skiatest::Reporter* r,
     13                              const SkFlattenable* f,
     14                              const char* desc) {
     15     if (f) {
     16         SkFlattenable::Factory factory = f->getFactory();
     17         REPORTER_ASSERT(r, factory);
     18         if (factory) {
     19             if (!SkFlattenable::FactoryToName(factory)) {
     20                 ERRORF(r, "SkFlattenable::FactoryToName() fails with %s.", desc);
     21             }
     22         }
     23     }
     24 }
     25 
     26 DEF_TEST(FlattenableFactoryToName, r) {
     27     SkIRect rects[2];
     28     rects[0] = SkIRect::MakeXYWH(0, 150, 500, 200);
     29     rects[1] = SkIRect::MakeXYWH(150, 0, 200, 500);
     30     SkRegion region;
     31     region.setRects(rects, 2);
     32     SkAutoTUnref<SkImageFilter> filter( SkAlphaThresholdFilter::Create(region, 0.2f, 0.7f));
     33     test_flattenable(r, filter, "SkAlphaThresholdFilter()");
     34 
     35     SkBitmap bm;
     36     bm.allocN32Pixels(8, 8);
     37     bm.eraseColor(SK_ColorCYAN);
     38     SkAutoTUnref<SkImage> image(SkImage::NewFromBitmap(bm));
     39     SkAutoTUnref<SkShader> shader(image->newShader(SkShader::kClamp_TileMode,
     40                                                    SkShader::kClamp_TileMode));
     41     test_flattenable(r, shader, "SkImage::newShader()");
     42 }
     43