mirror of
https://github.com/flutter/flutter.git
synced 2026-02-20 02:29:02 +08:00
0b629d419f
Now that the compositor doesn't have any tricky deps, we can make it a top-level project, which saves a bunch of typing.
68 lines
1.7 KiB
C++
68 lines
1.7 KiB
C++
// 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.
|
|
|
|
#ifndef FLOW_LAYER_H_
|
|
#define FLOW_LAYER_H_
|
|
|
|
#include <memory>
|
|
#include <vector>
|
|
|
|
#include "base/logging.h"
|
|
#include "base/macros.h"
|
|
#include "skia/ext/refptr.h"
|
|
#include "flow/paint_context.h"
|
|
#include "third_party/skia/include/core/SkCanvas.h"
|
|
#include "third_party/skia/include/core/SkColor.h"
|
|
#include "third_party/skia/include/core/SkColorFilter.h"
|
|
#include "third_party/skia/include/core/SkMatrix.h"
|
|
#include "third_party/skia/include/core/SkPath.h"
|
|
#include "third_party/skia/include/core/SkPicture.h"
|
|
#include "third_party/skia/include/core/SkRect.h"
|
|
#include "third_party/skia/include/core/SkRRect.h"
|
|
#include "third_party/skia/include/core/SkXfermode.h"
|
|
|
|
namespace flow {
|
|
|
|
class ContainerLayer;
|
|
class Layer {
|
|
public:
|
|
Layer();
|
|
virtual ~Layer();
|
|
|
|
struct PrerollContext {
|
|
PaintContext::ScopedFrame& frame;
|
|
SkRect child_paint_bounds;
|
|
};
|
|
|
|
virtual void Preroll(PrerollContext* context, const SkMatrix& matrix);
|
|
virtual void Paint(PaintContext::ScopedFrame& frame) = 0;
|
|
|
|
ContainerLayer* parent() const { return parent_; }
|
|
|
|
void set_parent(ContainerLayer* parent) { parent_ = parent; }
|
|
|
|
const bool has_paint_bounds() const { return has_paint_bounds_; }
|
|
|
|
const SkRect& paint_bounds() const {
|
|
DCHECK(has_paint_bounds_);
|
|
return paint_bounds_;
|
|
}
|
|
|
|
void set_paint_bounds(const SkRect& paint_bounds) {
|
|
has_paint_bounds_ = true;
|
|
paint_bounds_ = paint_bounds;
|
|
}
|
|
|
|
private:
|
|
ContainerLayer* parent_;
|
|
bool has_paint_bounds_; // if false, paint_bounds_ is not valid
|
|
SkRect paint_bounds_;
|
|
|
|
DISALLOW_COPY_AND_ASSIGN(Layer);
|
|
};
|
|
|
|
} // namespace flow
|
|
|
|
#endif // FLOW_LAYER_H_
|