cc/output/copy_output_result.h

   1 // Copyright 2013 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 #ifndef CC_OUTPUT_COPY_OUTPUT_RESULT_H_
   6 #define CC_OUTPUT_COPY_OUTPUT_RESULT_H_
   7
   8 #include "base/memory/scoped_ptr.h"
   9 #include "cc/base/cc_export.h"
  10 #include "cc/resources/texture_mailbox.h"
  11 #include "ui/gfx/size.h"
  12
  13 class SkBitmap;
  14
  15 namespace cc {
  16 class SingleReleaseCallback;
  17 class TextureMailbox;
  18
  19 class CC_EXPORT CopyOutputResult {
  20  public:
  21   static scoped_ptr<CopyOutputResult> CreateEmptyResult() {
  22     return make_scoped_ptr(new CopyOutputResult);
  23   }
  24   static scoped_ptr<CopyOutputResult> CreateBitmapResult(
  25       scoped_ptr<SkBitmap> bitmap) {
  26     return make_scoped_ptr(new CopyOutputResult(bitmap.Pass()));
  27   }
  28   static scoped_ptr<CopyOutputResult> CreateTextureResult(
  29       const gfx::Size& size,
  30       const TextureMailbox& texture_mailbox,
  31       scoped_ptr<SingleReleaseCallback> release_callback) {
  32     return make_scoped_ptr(
  33         new CopyOutputResult(size, texture_mailbox, release_callback.Pass()));
  34   }
  35
  36   ~CopyOutputResult();
  37
  38   bool IsEmpty() const { return !HasBitmap() && !HasTexture(); }
  39   bool HasBitmap() const { return !!bitmap_; }
  40   bool HasTexture() const { return texture_mailbox_.IsValid(); }
  41
  42   gfx::Size size() const { return size_; }
  43   scoped_ptr<SkBitmap> TakeBitmap();
  44   void TakeTexture(TextureMailbox* texture_mailbox,
  45                    scoped_ptr<SingleReleaseCallback>* release_callback);
  46
  47  private:
  48   CopyOutputResult();
  49   explicit CopyOutputResult(scoped_ptr<SkBitmap> bitmap);
  50   explicit CopyOutputResult(const gfx::Size& size,
  51                             const TextureMailbox& texture_mailbox,
  52                             scoped_ptr<SingleReleaseCallback> release_callback);
  53
  54   gfx::Size size_;
  55   scoped_ptr<SkBitmap> bitmap_;
  56   TextureMailbox texture_mailbox_;
  57   scoped_ptr<SingleReleaseCallback> release_callback_;
  58 };
  59
  60 }  // namespace cc
  61
  62 #endif  // CC_OUTPUT_COPY_OUTPUT_RESULT_H_