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 "modules/svg/include/SkSVGLine.h"
10 #include "modules/svg/include/SkSVGRenderContext.h"
11 #include "modules/svg/include/SkSVGValue.h"
12
SkSVGLine()13 SkSVGLine::SkSVGLine() : INHERITED(SkSVGTag::kLine) {}
14
parseAndSetAttribute(const char * n,const char * v)15 bool SkSVGLine::parseAndSetAttribute(const char* n, const char* v) {
16 return INHERITED::parseAndSetAttribute(n, v) ||
17 this->setX1(SkSVGAttributeParser::parse<SkSVGLength>("x1", n, v)) ||
18 this->setY1(SkSVGAttributeParser::parse<SkSVGLength>("y1", n, v)) ||
19 this->setX2(SkSVGAttributeParser::parse<SkSVGLength>("x2", n, v)) ||
20 this->setY2(SkSVGAttributeParser::parse<SkSVGLength>("y2", n, v));
21 }
22
resolve(const SkSVGLengthContext & lctx) const23 std::tuple<SkPoint, SkPoint> SkSVGLine::resolve(const SkSVGLengthContext& lctx) const {
24 return std::make_tuple(
25 SkPoint::Make(lctx.resolve(fX1, SkSVGLengthContext::LengthType::kHorizontal),
26 lctx.resolve(fY1, SkSVGLengthContext::LengthType::kVertical)),
27 SkPoint::Make(lctx.resolve(fX2, SkSVGLengthContext::LengthType::kHorizontal),
28 lctx.resolve(fY2, SkSVGLengthContext::LengthType::kVertical)));
29 }
30
onDraw(SkCanvas * canvas,const SkSVGLengthContext & lctx,const SkPaint & paint,SkPathFillType) const31 void SkSVGLine::onDraw(SkCanvas* canvas, const SkSVGLengthContext& lctx,
32 const SkPaint& paint, SkPathFillType) const {
33 SkPoint p0, p1;
34 std::tie(p0, p1) = this->resolve(lctx);
35
36 canvas->drawLine(p0, p1, paint);
37 }
38
onAsPath(const SkSVGRenderContext & ctx) const39 SkPath SkSVGLine::onAsPath(const SkSVGRenderContext& ctx) const {
40 SkPoint p0, p1;
41 std::tie(p0, p1) = this->resolve(ctx.lengthContext());
42
43 SkPath path = SkPath::Line(p0, p1);
44 this->mapToParent(&path);
45
46 return path;
47 }
48