SkSVGNode.cpp revision bffc2566872f99d378a1113d0a49ec9ee0d60b7a 
1/*
2 * Copyright 2016 Google Inc.
3 *
4 * Use of this source code is governed by a BSD-style license that can be
5 * found in the LICENSE file.
6 */
7
8#include "SkCanvas.h"
9#include "SkMatrix.h"
10#include "SkSVGNode.h"
11#include "SkSVGRenderContext.h"
12#include "SkSVGValue.h"
13#include "SkTLazy.h"
14
15SkSVGNode::SkSVGNode(SkSVGTag t) : fTag(t) { }
16
17SkSVGNode::~SkSVGNode() { }
18
19void SkSVGNode::render(SkCanvas* canvas, const SkSVGRenderContext& ctx) const {
20    SkTCopyOnFirstWrite<SkSVGRenderContext> localContext(ctx);
21    fPresentationAttributes.applyTo(localContext);
22
23    SkAutoCanvasRestore acr(canvas, false);
24    const SkMatrix& m = this->onLocalMatrix();
25    if (!m.isIdentity()) {
26        canvas->save();
27        canvas->concat(m);
28    }
29
30    this->onRender(canvas, *localContext);
31}
32
33void SkSVGNode::setAttribute(SkSVGAttribute attr, const SkSVGValue& v) {
34    this->onSetAttribute(attr, v);
35}
36
37void SkSVGNode::onSetAttribute(SkSVGAttribute attr, const SkSVGValue& v) {
38    switch (attr) {
39    case SkSVGAttribute::kFill:
40        if (const SkSVGColorValue* color = v.as<SkSVGColorValue>()) {
41            fPresentationAttributes.setFill(*color);
42        }
43        break;
44    case SkSVGAttribute::kStroke:
45        if (const SkSVGColorValue* color = v.as<SkSVGColorValue>()) {
46            fPresentationAttributes.setStroke(*color);
47        }
48        break;
49    default:
50        SkDebugf("attribute ID <%d> ignored for node <%d>\n", attr, fTag);
51        break;
52    }
53}
54
55const SkMatrix& SkSVGNode::onLocalMatrix() const {
56    return SkMatrix::I();
57}
58