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// 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;
DisplayItem::SetNew(true /* suitable_for_gpu_raster */, 1 /* op_count */,
0 /* external_memory_usage */);
}
void TransformDisplayItem::Raster(SkCanvas* canvas,
const gfx::Rect& canvas_target_playback_rect,
SkPicture::AbortCallback* 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 /* external_memory_usage */);
}
EndTransformDisplayItem::~EndTransformDisplayItem() {
}
void EndTransformDisplayItem::Raster(
SkCanvas* canvas,
const gfx::Rect& canvas_target_playback_rect,
SkPicture::AbortCallback* callback) const {
canvas->restore();
}
void EndTransformDisplayItem::AsValueInto(
base::trace_event::TracedValue* array) const {
array->AppendString("EndTransformDisplayItem");
}
} // namespace cc
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