components/suggestions/image_encoder.cc

   1 // Copyright 2014 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 #include "components/suggestions/image_encoder.h"
   6
   7 #include "ui/gfx/codec/jpeg_codec.h"
   8 #include "ui/gfx/image/image_skia.h"
   9
  10 namespace suggestions {
  11
  12 SkBitmap* DecodeJPEGToSkBitmap(const std::vector<unsigned char>& encoded_data) {
  13   return gfx::JPEGCodec::Decode(&encoded_data[0], encoded_data.size());
  14 }
  15
  16 bool EncodeSkBitmapToJPEG(const SkBitmap& bitmap,
  17                           std::vector<unsigned char>* dest) {
  18   SkAutoLockPixels bitmap_lock(bitmap);
  19   if (!bitmap.readyToDraw() || bitmap.isNull()) {
  20     return false;
  21   }
  22   return gfx::JPEGCodec::Encode(
  23       reinterpret_cast<unsigned char*>(bitmap.getAddr32(0, 0)),
  24       gfx::JPEGCodec::FORMAT_SkBitmap, bitmap.width(), bitmap.height(),
  25       bitmap.rowBytes(), 100, dest);
  26 }
  27
  28 }  // namespace suggestions