| // Copyright 2014 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 "cc/playback/transform_display_item.h" |
| |
| #include "base/strings/stringprintf.h" |
| #include "base/trace_event/trace_event_argument.h" |
| #include "third_party/skia/include/core/SkCanvas.h" |
| |
| namespace cc { |
| |
| TransformDisplayItem::TransformDisplayItem() |
| : transform_(gfx::Transform::kSkipInitialization) { |
| } |
| |
| TransformDisplayItem::~TransformDisplayItem() { |
| } |
| |
| void TransformDisplayItem::SetNew(const gfx::Transform& transform) { |
| transform_ = transform; |
| |
| size_t memory_usage = sizeof(gfx::Transform); |
| DisplayItem::SetNew(true /* suitable_for_gpu_raster */, 1 /* op_count */, |
| memory_usage); |
| } |
| |
| void TransformDisplayItem::Raster(SkCanvas* canvas, |
| SkDrawPictureCallback* callback) const { |
| canvas->save(); |
| if (!transform_.IsIdentity()) |
| canvas->concat(transform_.matrix()); |
| } |
| |
| void TransformDisplayItem::AsValueInto( |
| base::trace_event::TracedValue* array) const { |
| array->AppendString(base::StringPrintf("TransformDisplayItem transform: [%s]", |
| transform_.ToString().c_str())); |
| } |
| |
| EndTransformDisplayItem::EndTransformDisplayItem() { |
| DisplayItem::SetNew(true /* suitable_for_gpu_raster */, 0 /* op_count */, |
| 0 /* memory_usage */); |
| } |
| |
| EndTransformDisplayItem::~EndTransformDisplayItem() { |
| } |
| |
| void EndTransformDisplayItem::Raster(SkCanvas* canvas, |
| SkDrawPictureCallback* callback) const { |
| canvas->restore(); |
| } |
| |
| void EndTransformDisplayItem::AsValueInto( |
| base::trace_event::TracedValue* array) const { |
| array->AppendString("EndTransformDisplayItem"); |
| } |
| |
| } // namespace cc |