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 "modules/svg/include/SkSVGLine.h"
9
10 #include "include/core/SkCanvas.h"
11 #include "include/core/SkPoint.h"
12 #include "modules/svg/include/SkSVGAttributeParser.h"
13 #include "modules/svg/include/SkSVGRenderContext.h"
14
15 class SkPaint;
16 enum class SkPathFillType;
17
SkSVGLine()18 SkSVGLine::SkSVGLine() : INHERITED(SkSVGTag::kLine) {}
19
parseAndSetAttribute(const char * n,const char * v)20 bool SkSVGLine::parseAndSetAttribute(const char* n, const char* v) {
21 return INHERITED::parseAndSetAttribute(n, v) ||
22 this->setX1(SkSVGAttributeParser::parse<SkSVGLength>("x1", n, v)) ||
23 this->setY1(SkSVGAttributeParser::parse<SkSVGLength>("y1", n, v)) ||
24 this->setX2(SkSVGAttributeParser::parse<SkSVGLength>("x2", n, v)) ||
25 this->setY2(SkSVGAttributeParser::parse<SkSVGLength>("y2", n, v));
26 }
27
resolve(const SkSVGLengthContext & lctx) const28 std::tuple<SkPoint, SkPoint> SkSVGLine::resolve(const SkSVGLengthContext& lctx) const {
29 return std::make_tuple(
30 SkPoint::Make(lctx.resolve(fX1, SkSVGLengthContext::LengthType::kHorizontal),
31 lctx.resolve(fY1, SkSVGLengthContext::LengthType::kVertical)),
32 SkPoint::Make(lctx.resolve(fX2, SkSVGLengthContext::LengthType::kHorizontal),
33 lctx.resolve(fY2, SkSVGLengthContext::LengthType::kVertical)));
34 }
35
onDraw(SkCanvas * canvas,const SkSVGLengthContext & lctx,const SkPaint & paint,SkPathFillType) const36 void SkSVGLine::onDraw(SkCanvas* canvas, const SkSVGLengthContext& lctx,
37 const SkPaint& paint, SkPathFillType) const {
38 SkPoint p0, p1;
39 std::tie(p0, p1) = this->resolve(lctx);
40
41 canvas->drawLine(p0, p1, paint);
42 }
43
onAsPath(const SkSVGRenderContext & ctx) const44 SkPath SkSVGLine::onAsPath(const SkSVGRenderContext& ctx) const {
45 SkPoint p0, p1;
46 std::tie(p0, p1) = this->resolve(ctx.lengthContext());
47
48 SkPath path = SkPath::Line(p0, p1);
49 this->mapToParent(&path);
50
51 return path;
52 }
53