1 // Copyright (c) 2012 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 // Because the unit tests for gfx::Image are spread across multiple 6 // implementation files, this header contains the reusable components. 7 8 #ifndef UI_GFX_IMAGE_IMAGE_UNITTEST_UTIL_H_ 9 #define UI_GFX_IMAGE_IMAGE_UNITTEST_UTIL_H_ 10 11 #include "ui/gfx/image/image.h" 12 #include "third_party/skia/include/core/SkColor.h" 13 14 namespace gfx { 15 namespace test { 16 17 #if defined(OS_IOS) 18 typedef UIImage* PlatformImage; 19 #elif defined(OS_MACOSX) 20 typedef NSImage* PlatformImage; 21 #else 22 typedef gfx::ImageSkia PlatformImage; 23 #endif 24 25 std::vector<float> Get1xAnd2xScales(); 26 27 // Create a bitmap of |width|x|height|. 28 const SkBitmap CreateBitmap(int width, int height); 29 30 // Creates an ImageSkia of |width|x|height| DIP with bitmap data for an 31 // arbitrary scale factor. 32 gfx::ImageSkia CreateImageSkia(int width, int height); 33 34 // Returns PNG encoded bytes for a bitmap of |edge_size|x|edge_size|. 35 scoped_refptr<base::RefCountedMemory> CreatePNGBytes(int edge_size); 36 37 // TODO(rohitrao): Remove the no-argument version of CreateImage(). 38 gfx::Image CreateImage(); 39 gfx::Image CreateImage(int width, int height); 40 41 // Returns true if the images are equal. Converts the images to ImageSkia to 42 // compare them. 43 bool IsEqual(const gfx::Image& image1, const gfx::Image& image2); 44 45 bool IsEqual(const SkBitmap& bitmap1, const SkBitmap& bitmap2); 46 47 bool IsEqual(const scoped_refptr<base::RefCountedMemory>& bytes, 48 const SkBitmap& bitmap); 49 50 // An image which was not successfully decoded to PNG should be a red bitmap. 51 // Fails if the bitmap is not red. 52 void CheckImageIndicatesPNGDecodeFailure(const gfx::Image& image); 53 54 // Returns true if the structure of |image_skia| matches the structure 55 // described by |width|, |height|, and |scale_factors|. 56 // The structure matches if: 57 // - |image_skia| is non null. 58 // - |image_skia| has ImageSkiaReps of |scale_factors|. 59 // - Each of the ImageSkiaReps has a pixel size of |image_skia|.size() * 60 // scale_factor. 61 bool ImageSkiaStructureMatches( 62 const gfx::ImageSkia& image_skia, 63 int width, 64 int height, 65 const std::vector<float>& scale_factors); 66 67 bool IsEmpty(const gfx::Image& image); 68 69 PlatformImage CreatePlatformImage(); 70 71 gfx::Image::RepresentationType GetPlatformRepresentationType(); 72 73 PlatformImage ToPlatformType(const gfx::Image& image); 74 PlatformImage CopyPlatformType(const gfx::Image& image); 75 76 SkColor GetPlatformImageColor(PlatformImage image, int x, int y); 77 void CheckColors(SkColor color1, SkColor color2); 78 void CheckIsTransparent(SkColor color); 79 80 bool IsPlatformImageValid(PlatformImage image); 81 82 bool PlatformImagesEqual(PlatformImage image1, PlatformImage image2); 83 84 } // namespace test 85 } // namespace gfx 86 87 #endif // UI_GFX_IMAGE_IMAGE_UNITTEST_UTIL_H_ 88