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cea2c3617f
Rename methods in the MutatorsStack to Pascal case to match standard cpp style Refactor the operator== for Mutator class
74 lines
2.6 KiB
C++
74 lines
2.6 KiB
C++
// Copyright 2013 The Flutter Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "flutter/flow/layers/clip_rrect_layer.h"
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namespace flutter {
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ClipRRectLayer::ClipRRectLayer(const SkRRect& clip_rrect, Clip clip_behavior)
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: clip_rrect_(clip_rrect), clip_behavior_(clip_behavior) {
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FML_DCHECK(clip_behavior != Clip::none);
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}
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ClipRRectLayer::~ClipRRectLayer() = default;
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void ClipRRectLayer::Preroll(PrerollContext* context, const SkMatrix& matrix) {
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SkRect previous_cull_rect = context->cull_rect;
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SkRect clip_rrect_bounds = clip_rrect_.getBounds();
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if (context->cull_rect.intersect(clip_rrect_bounds)) {
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context->mutators_stack.PushClipRRect(clip_rrect_);
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SkRect child_paint_bounds = SkRect::MakeEmpty();
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PrerollChildren(context, matrix, &child_paint_bounds);
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if (child_paint_bounds.intersect(clip_rrect_bounds)) {
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set_paint_bounds(child_paint_bounds);
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}
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context->mutators_stack.Pop();
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}
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context->cull_rect = previous_cull_rect;
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}
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#if defined(OS_FUCHSIA)
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void ClipRRectLayer::UpdateScene(SceneUpdateContext& context) {
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FML_DCHECK(needs_system_composite());
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// TODO(SCN-137): Need to be able to express the radii as vectors.
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scenic::RoundedRectangle shape(
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context.session(), // session
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clip_rrect_.width(), // width
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clip_rrect_.height(), // height
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clip_rrect_.radii(SkRRect::kUpperLeft_Corner).x(), // top_left_radius
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clip_rrect_.radii(SkRRect::kUpperRight_Corner).x(), // top_right_radius
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clip_rrect_.radii(SkRRect::kLowerRight_Corner)
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.x(), // bottom_right_radius
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clip_rrect_.radii(SkRRect::kLowerLeft_Corner).x() // bottom_left_radius
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);
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// TODO(liyuqian): respect clip_behavior_
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SceneUpdateContext::Clip clip(context, shape, clip_rrect_.getBounds());
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UpdateSceneChildren(context);
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}
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#endif // defined(OS_FUCHSIA)
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void ClipRRectLayer::Paint(PaintContext& context) const {
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TRACE_EVENT0("flutter", "ClipRRectLayer::Paint");
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FML_DCHECK(needs_painting());
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SkAutoCanvasRestore save(context.internal_nodes_canvas, true);
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context.internal_nodes_canvas->clipRRect(clip_rrect_,
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clip_behavior_ != Clip::hardEdge);
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if (clip_behavior_ == Clip::antiAliasWithSaveLayer) {
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context.internal_nodes_canvas->saveLayer(paint_bounds(), nullptr);
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}
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PaintChildren(context);
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if (clip_behavior_ == Clip::antiAliasWithSaveLayer) {
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context.internal_nodes_canvas->restore();
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}
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}
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} // namespace flutter
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