More old files deletion.

ui/gfx/skbitmap_operations.h

-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#ifndef UI_GFX_SKBITMAP_OPERATIONS_H_
-#define UI_GFX_SKBITMAP_OPERATIONS_H_
-
-#include "base/gtest_prod_util.h"
-#include "ui/gfx/color_utils.h"
-#include "ui/gfx/gfx_export.h"
-#include "ui/gfx/shadow_value.h"
-
-namespace gfx {
-class Point;
-class Size;
-}
-
-class SkBitmap;
-
-class GFX_EXPORT SkBitmapOperations {
- public:
-  // Enum for use in rotating images (must be in 90 degree increments),
-  // see: Rotate.
-  enum RotationAmount {
-    ROTATION_90_CW,
-    ROTATION_180_CW,
-    ROTATION_270_CW,
-  };
-
-  // 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 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,
-                                         const 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 CreateTransposedBitmap(const SkBitmap& bitmap);
-
-  // Create a bitmap by combining alpha channel of |bitmap| and color |c|.
-  // The image must use the kARGB_8888_Config config.
-  static SkBitmap CreateColorMask(const SkBitmap& bitmap, SkColor c);
-
-  // Create a bitmap with drop shadow added to |bitmap|. |shadows| defines
-  // the shadows to add. The created bitmap would be padded to have enough space
-  // for shadows and have original bitmap in the center. The image must use the
-  // kARGB_8888_Config config.
-  static SkBitmap CreateDropShadow(const SkBitmap& bitmap,
-                                   const gfx::ShadowValues& shadows);
-
-  // Rotates the given source bitmap clockwise by the requested amount.
-  static SkBitmap Rotate(const SkBitmap& source, RotationAmount rotation);
-
- private:
-  SkBitmapOperations();  // Class for scoping only.
-
-  FRIEND_TEST_ALL_PREFIXES(SkBitmapOperationsTest, DownsampleByTwo);
-  FRIEND_TEST_ALL_PREFIXES(SkBitmapOperationsTest, DownsampleByTwoSmall);
-};
-
-#endif  // UI_GFX_SKBITMAP_OPERATIONS_H_