SkSVGContainer.cpp

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/*
 * Copyright 2016 Google Inc.
 *
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file.
 */
 
#include "modules/svg/include/SkSVGContainer.h"
 
#include "include/core/SkPath.h"
#include "include/pathops/SkPathOps.h"
 
SkSVGContainer::SkSVGContainer(SkSVGTag t) : INHERITED(t) { }
 
void SkSVGContainer::appendChild(sk_sp<SkSVGNode> node) {
    SkASSERT(node);
    fChildren.push_back(std::move(node));
}
 
bool SkSVGContainer::hasChildren() const {
    return !fChildren.empty();
}
 
void SkSVGContainer::onRender(const SkSVGRenderContext& ctx) const {
    for (int i = 0; i < fChildren.size(); ++i) {
        fChildren[i]->render(ctx);
    }
}
 
SkPath SkSVGContainer::onAsPath(const SkSVGRenderContext& ctx) const {
    SkPath path;
 
    for (int i = 0; i < fChildren.size(); ++i) {
        const SkPath childPath = fChildren[i]->asPath(ctx);
 
        Op(path, childPath, kUnion_SkPathOp, &path);
    }
 
    this->mapToParent(&path);
    return path;
}
 
SkRect SkSVGContainer::onObjectBoundingBox(const SkSVGRenderContext& ctx) const {
    SkRect bounds = SkRect::MakeEmpty();
 
    for (int i = 0; i < fChildren.size(); ++i) {
        const SkRect childBounds = fChildren[i]->objectBoundingBox(ctx);
        bounds.join(childBounds);
    }
 
    return bounds;
}