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 #elif defined(TOOLKIT_GTK) 22 typedef GdkPixbuf* PlatformImage; 23 #else 24 typedef gfx::ImageSkia PlatformImage; 25 #endif 26 27 std::vector<float> Get1xAnd2xScales(); 28 29 // Create a bitmap of |width|x|height|. 30 const SkBitmap CreateBitmap(int width, int height); 31 32 // Creates an ImageSkia of |width|x|height| DIP with bitmap data for an 33 // arbitrary scale factor. 34 gfx::ImageSkia CreateImageSkia(int width, int height); 35 36 // Returns PNG encoded bytes for a bitmap of |edge_size|x|edge_size|. 37 scoped_refptr<base::RefCountedMemory> CreatePNGBytes(int edge_size); 38 39 // TODO(rohitrao): Remove the no-argument version of CreateImage(). 40 gfx::Image CreateImage(); 41 gfx::Image CreateImage(int width, int height); 42 43 // Returns true if the images are equal. Converts the images to ImageSkia to 44 // compare them. 45 bool IsEqual(const gfx::Image& image1, const gfx::Image& image2); 46 47 bool IsEqual(const SkBitmap& bitmap1, const SkBitmap& bitmap2); 48 49 bool IsEqual(const scoped_refptr<base::RefCountedMemory>& bytes, 50 const SkBitmap& bitmap); 51 52 // An image which was not successfully decoded to PNG should be a red bitmap. 53 // Fails if the bitmap is not red. 54 void CheckImageIndicatesPNGDecodeFailure(const gfx::Image& image); 55 56 // Returns true if the structure of |image_skia| matches the structure 57 // described by |width|, |height|, and |scale_factors|. 58 // The structure matches if: 59 // - |image_skia| is non null. 60 // - |image_skia| has ImageSkiaReps of |scale_factors|. 61 // - Each of the ImageSkiaReps has a pixel size of |image_skia|.size() * 62 // scale_factor. 63 bool ImageSkiaStructureMatches( 64 const gfx::ImageSkia& image_skia, 65 int width, 66 int height, 67 const std::vector<float>& scale_factors); 68 69 bool IsEmpty(const gfx::Image& image); 70 71 PlatformImage CreatePlatformImage(); 72 73 gfx::Image::RepresentationType GetPlatformRepresentationType(); 74 75 PlatformImage ToPlatformType(const gfx::Image& image); 76 PlatformImage CopyPlatformType(const gfx::Image& image); 77 78 SkColor GetPlatformImageColor(PlatformImage image, int x, int y); 79 void CheckColors(SkColor color1, SkColor color2); 80 void CheckIsTransparent(SkColor color); 81 82 bool IsPlatformImageValid(PlatformImage image); 83 84 bool PlatformImagesEqual(PlatformImage image1, PlatformImage image2); 85 86 } // namespace test 87 } // namespace gfx 88 89 #endif // UI_GFX_IMAGE_IMAGE_UNITTEST_UTIL_H_ 90