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 void* encoded_data, size_t size) {
  13   return gfx::JPEGCodec::Decode(static_cast<const unsigned char*>(encoded_data),
  14                                 size);
  15 }
  16
  17 bool EncodeSkBitmapToJPEG(const SkBitmap& bitmap,
  18                           std::vector<unsigned char>* dest) {
  19   SkAutoLockPixels bitmap_lock(bitmap);
  20   if (!bitmap.readyToDraw() || bitmap.isNull()) {
  21     return false;
  22   }
  23   return gfx::JPEGCodec::Encode(
  24       reinterpret_cast<unsigned char*>(bitmap.getAddr32(0, 0)),
  25       gfx::JPEGCodec::FORMAT_SkBitmap, bitmap.width(), bitmap.height(),
  26       bitmap.rowBytes(), 100, dest);
  27 }
  28
  29 }  // namespace suggestions