Index: gfx/skbitmap_operations.h |
=================================================================== |
--- gfx/skbitmap_operations.h (revision 73487) |
+++ gfx/skbitmap_operations.h (working copy) |
@@ -6,97 +6,7 @@ |
#define GFX_SKBITMAP_OPERATIONS_H_ |
#pragma once |
-#include "base/gtest_prod_util.h" |
-#include "gfx/color_utils.h" |
+#include "ui/gfx/skbitmap_operations.h" |
+// TODO(sail): remove this file once all includes have been updated. |
-class SkBitmap; |
- |
-class SkBitmapOperations { |
- public: |
- // Create a bitmap that is an inverted image of the passed in image. |
- // Each color becomes its inverse in the color wheel. So (255, 15, 0) becomes |
- // (0, 240, 255). The alpha value is not inverted. |
- static SkBitmap CreateInvertedBitmap(const SkBitmap& image); |
- |
- // Create a bitmap that is a superimposition of the second bitmap on top of |
- // the first. The provided bitmaps must use have the kARGB_8888_Config config |
- // and be of equal dimensions. |
- static SkBitmap CreateSuperimposedBitmap(const SkBitmap& first, |
- const SkBitmap& second); |
- |
- // Create a bitmap that is a blend of two others. The alpha argument |
- // specifies the opacity of the second bitmap. The provided bitmaps must |
- // use have the kARGB_8888_Config config and be of equal dimensions. |
- static SkBitmap CreateBlendedBitmap(const SkBitmap& first, |
- const SkBitmap& second, |
- double alpha); |
- |
- // Create a bitmap that is the original bitmap masked out by the mask defined |
- // in the alpha bitmap. The images must use the kARGB_8888_Config config and |
- // be of equal dimensions. |
- static SkBitmap CreateMaskedBitmap(const SkBitmap& first, |
- const SkBitmap& alpha); |
- |
- // We create a button background image by compositing the color and image |
- // together, then applying the mask. This is a highly specialized composite |
- // operation that is the equivalent of drawing a background in |color|, |
- // tiling |image| over the top, and then masking the result out with |mask|. |
- // The images must use kARGB_8888_Config config. |
- static SkBitmap CreateButtonBackground(SkColor color, |
- const SkBitmap& image, |
- const SkBitmap& mask); |
- |
- // Shift a bitmap's HSL values. The shift values are in the range of 0-1, |
- // with the option to specify -1 for 'no change'. The shift values are |
- // defined as: |
- // hsl_shift[0] (hue): The absolute hue value for the image - 0 and 1 map |
- // to 0 and 360 on the hue color wheel (red). |
- // hsl_shift[1] (saturation): A saturation shift for the image, with the |
- // following key values: |
- // 0 = remove all color. |
- // 0.5 = leave unchanged. |
- // 1 = fully saturate the image. |
- // hsl_shift[2] (lightness): A lightness shift for the image, with the |
- // following key values: |
- // 0 = remove all lightness (make all pixels black). |
- // 0.5 = leave unchanged. |
- // 1 = full lightness (make all pixels white). |
- static SkBitmap CreateHSLShiftedBitmap(const SkBitmap& bitmap, |
- color_utils::HSL hsl_shift); |
- |
- // Create a bitmap that is cropped from another bitmap. This is special |
- // because it tiles the original bitmap, so your coordinates can extend |
- // outside the bounds of the original image. |
- static SkBitmap CreateTiledBitmap(const SkBitmap& bitmap, |
- int src_x, int src_y, |
- int dst_w, int dst_h); |
- |
- // Iteratively downsamples by 2 until the bitmap is no smaller than the |
- // input size. The normal use of this is to downsample the bitmap "close" to |
- // the final size, and then use traditional resampling on the result. |
- // Because the bitmap will be closer to the final size, it will be faster, |
- // and linear interpolation will generally work well as a second step. |
- static SkBitmap DownsampleByTwoUntilSize(const SkBitmap& bitmap, |
- int min_w, int min_h); |
- |
- // Makes a bitmap half has large in each direction by averaging groups of |
- // 4 pixels. This is one step in generating a mipmap. |
- static SkBitmap DownsampleByTwo(const SkBitmap& bitmap); |
- |
- // Unpremultiplies all pixels in |bitmap|. You almost never want to call |
- // this, as |SkBitmap|s are always premultiplied by conversion. Call this |
- // only if you will pass the bitmap's data into a system function that |
- // doesn't expect premultiplied colors. |
- static SkBitmap UnPreMultiply(const SkBitmap& bitmap); |
- |
- // Transpose the pixels in |bitmap| by swapping x and y. |
- static SkBitmap CreateTransposedBtmap(const SkBitmap& bitmap); |
- |
- private: |
- SkBitmapOperations(); // Class for scoping only. |
- |
- FRIEND_TEST_ALL_PREFIXES(SkBitmapOperationsTest, DownsampleByTwo); |
- FRIEND_TEST_ALL_PREFIXES(SkBitmapOperationsTest, DownsampleByTwoSmall); |
-}; |
- |
#endif // GFX_SKBITMAP_OPERATIONS_H_ |