Move the JPEG and PNG codecs from base/gfx to app/gfx/codec. Move the classes...

base/gfx/jpeg_codec.h

-// Copyright (c) 2006-2008 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 BASE_GFX_JPEG_CODEC_H_
-#define BASE_GFX_JPEG_CODEC_H_
-
-#include <vector>
-
-class SkBitmap;
-
-// Interface for encoding/decoding JPEG data. This is a wrapper around libjpeg,
-// which has an inconvenient interface for callers. This is only used for UI
-// elements, WebKit has its own more complicated JPEG decoder which handles,
-// among other things, partially downloaded data.
-class JPEGCodec {
- public:
-  enum ColorFormat {
-    // 3 bytes per pixel (packed), in RGB order regardless of endianness.
-    // This is the native JPEG format.
-    FORMAT_RGB,
-
-    // 4 bytes per pixel, in RGBA order in mem regardless of endianness.
-    FORMAT_RGBA,
-
-    // 4 bytes per pixel, in BGRA order in mem regardless of endianness.
-    // This is the default Windows DIB order.
-    FORMAT_BGRA
-  };
-
-  // Encodes the given raw 'input' data, with each pixel being represented as
-  // given in 'format'. The encoded JPEG data will be written into the supplied
-  // vector and true will be returned on success. On failure (false), the
-  // contents of the output buffer are undefined.
-  //
-  // w, h: dimensions of the image
-  // row_byte_width: the width in bytes of each row. This may be greater than
-  //   w * bytes_per_pixel if there is extra padding at the end of each row
-  //   (often, each row is padded to the next machine word).
-  // quality: an integer in the range 0-100, where 100 is the highest quality.
-  static bool Encode(const unsigned char* input, ColorFormat format,
-                     int w, int h, int row_byte_width,
-                     int quality, std::vector<unsigned char>* output);
-
-  // Decodes the JPEG data contained in input of length input_size. The
-  // decoded data will be placed in *output with the dimensions in *w and *h
-  // on success (returns true). This data will be written in the'format'
-  // format. On failure, the values of these output variables is undefined.
-  static bool Decode(const unsigned char* input, size_t input_size,
-                     ColorFormat format, std::vector<unsigned char>* output,
-                     int* w, int* h);
-
-  // Decodes the JPEG data contained in input of length input_size. If
-  // successful, a SkBitmap is created and returned. It is up to the caller
-  // to delete the returned bitmap.
-  static SkBitmap* Decode(const unsigned char* input, size_t input_size);
-};
-
-#endif  // BASE_GFX_JPEG_CODEC_H_