| // Copyright 2015 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. |
| |
| #include "ui/compositor/compositing_recorder.h" |
| |
| #include "cc/playback/compositing_display_item.h" |
| #include "cc/playback/display_item_list.h" |
| #include "ui/compositor/paint_context.h" |
| #include "ui/gfx/canvas.h" |
| |
| namespace ui { |
| |
| CompositingRecorder::CompositingRecorder(const PaintContext& context, |
| uint8_t alpha) |
| : context_(context), saved_(alpha < 255) { |
| if (!saved_) |
| return; |
| |
| auto* item = |
| context_.list_->CreateAndAppendItem<cc::CompositingDisplayItem>(); |
| item->SetNew(alpha, SkXfermode::kSrcOver_Mode, nullptr /* no bounds */, |
| skia::RefPtr<SkColorFilter>()); |
| } |
| |
| CompositingRecorder::~CompositingRecorder() { |
| if (!saved_) |
| return; |
| |
| context_.list_->CreateAndAppendItem<cc::EndCompositingDisplayItem>(); |
| } |
| |
| } // namespace ui |
