4c690b442f
For Flutter, mark each bounds rect as a draw or not. saveLayer() is the trickiest part: it doesn't draw, but its paired restore() does, while a restore() paired with save() doesn't. Change-Id: I5f0dc61ad5543265c5ea2bf41b236f57915847b9 Reviewed-on: https://skia-review.googlesource.com/c/skia/+/273501 Reviewed-by: Emmanuel Garcia <egarciad@google.com> Reviewed-by: Mike Reed <reed@google.com> Commit-Queue: Mike Klein <mtklein@google.com>
57 lines
1.4 KiB
C++
57 lines
1.4 KiB
C++
/*
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* Copyright 2014 Google Inc.
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*
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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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*/
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#ifndef SkBBHFactory_DEFINED
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#define SkBBHFactory_DEFINED
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#include "include/core/SkRect.h"
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#include "include/core/SkRefCnt.h"
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#include "include/core/SkTypes.h"
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#include <vector>
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class SkBBoxHierarchy : public SkRefCnt {
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public:
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SkBBoxHierarchy() {}
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virtual ~SkBBoxHierarchy() {}
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struct Metadata {
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bool isDraw; // The corresponding SkRect bounds a draw command, not a pure state change.
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};
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/**
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* Insert N bounding boxes into the hierarchy.
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*/
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virtual void insert(const SkRect[], int N) = 0;
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virtual void insert(const SkRect[], const Metadata[], int N);
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/**
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* Populate results with the indices of bounding boxes intersecting that query.
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*/
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virtual void search(const SkRect& query, std::vector<int>* results) const = 0;
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/**
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* Return approximate size in memory of *this.
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*/
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virtual size_t bytesUsed() const = 0;
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};
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class SK_API SkBBHFactory {
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public:
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/**
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* Allocate a new SkBBoxHierarchy. Return NULL on failure.
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*/
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virtual sk_sp<SkBBoxHierarchy> operator()() const = 0;
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virtual ~SkBBHFactory() {}
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};
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class SK_API SkRTreeFactory : public SkBBHFactory {
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public:
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sk_sp<SkBBoxHierarchy> operator()() const override;
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};
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#endif
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