xref: /third_party/skia/modules/svg/src/SkSVGPath.cpp (revision cb93a386)
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 "include/core/SkCanvas.h"
9#include "include/core/SkPaint.h"
10#include "include/utils/SkParsePath.h"
11#include "modules/svg/include/SkSVGPath.h"
12#include "modules/svg/include/SkSVGRenderContext.h"
13#include "modules/svg/include/SkSVGValue.h"
14
15SkSVGPath::SkSVGPath() : INHERITED(SkSVGTag::kPath) { }
16
17bool SkSVGPath::parseAndSetAttribute(const char* n, const char* v) {
18    return INHERITED::parseAndSetAttribute(n, v) ||
19           this->setPath(SkSVGAttributeParser::parse<SkPath>("d", n, v));
20}
21
22template <>
23bool SkSVGAttributeParser::parse<SkPath>(SkPath* path) {
24    return SkParsePath::FromSVGString(fCurPos, path);
25}
26
27void SkSVGPath::onDraw(SkCanvas* canvas, const SkSVGLengthContext&, const SkPaint& paint,
28                       SkPathFillType fillType) const {
29    // the passed fillType follows inheritance rules and needs to be applied at draw time.
30    SkPath path = fPath;  // Note: point and verb data are CoW
31    path.setFillType(fillType);
32    canvas->drawPath(path, paint);
33}
34
35SkPath SkSVGPath::onAsPath(const SkSVGRenderContext& ctx) const {
36    SkPath path = fPath;
37    // clip-rule can be inherited and needs to be applied at clip time.
38    path.setFillType(ctx.presentationContext().fInherited.fClipRule->asFillType());
39    this->mapToParent(&path);
40    return path;
41}
42
43SkRect SkSVGPath::onObjectBoundingBox(const SkSVGRenderContext& ctx) const {
44    return fPath.computeTightBounds();
45}
46