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- // 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/clip_recorder.h"
- #include "cc/paint/display_item_list.h"
- #include "cc/paint/paint_op_buffer.h"
- #include "third_party/skia/include/core/SkPath.h"
- #include "ui/compositor/paint_context.h"
- #include "ui/gfx/canvas.h"
- #include "ui/gfx/geometry/rect.h"
- #include "ui/gfx/geometry/rect_conversions.h"
- #include "ui/gfx/geometry/skia_conversions.h"
- namespace ui {
- ClipRecorder::ClipRecorder(const PaintContext& context) : context_(context) {}
- ClipRecorder::~ClipRecorder() {
- for (int i = 0; i < num_closers_; ++i) {
- // Each restore is part of a separate visual rect, so gets its own
- // StartPaint/EndPaintOfPairedEnd.
- context_.list_->StartPaint();
- context_.list_->push<cc::RestoreOp>();
- context_.list_->EndPaintOfPairedEnd();
- }
- }
- void ClipRecorder::ClipRect(const gfx::Rect& clip_rect) {
- bool antialias = false;
- context_.list_->StartPaint();
- context_.list_->push<cc::SaveOp>();
- context_.list_->push<cc::ClipRectOp>(gfx::RectToSkRect(clip_rect),
- SkClipOp::kIntersect, antialias);
- context_.list_->EndPaintOfPairedBegin();
- ++num_closers_;
- }
- void ClipRecorder::ClipPath(const SkPath& clip_path) {
- bool antialias = false;
- context_.list_->StartPaint();
- context_.list_->push<cc::SaveOp>();
- context_.list_->push<cc::ClipPathOp>(clip_path, SkClipOp::kIntersect,
- antialias);
- context_.list_->EndPaintOfPairedBegin();
- ++num_closers_;
- }
- void ClipRecorder::ClipPathWithAntiAliasing(const SkPath& clip_path) {
- bool antialias = true;
- context_.list_->StartPaint();
- context_.list_->push<cc::SaveOp>();
- context_.list_->push<cc::ClipPathOp>(clip_path, SkClipOp::kIntersect,
- antialias);
- context_.list_->EndPaintOfPairedBegin();
- ++num_closers_;
- }
- } // namespace ui
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