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// Copyright 2015 The Chromium Authors
// 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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