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/*************************************************************************
** SVGElement.cpp **
** **
** This file is part of dvisvgm -- a fast DVI to SVG converter **
** Copyright (C) 2005-2022 Martin Gieseking <martin.gieseking@uos.de> **
** **
** This program is free software; you can redistribute it and/or **
** modify it under the terms of the GNU General Public License as **
** published by the Free Software Foundation; either version 3 of **
** the License, or (at your option) any later version. **
** **
** This program is distributed in the hope that it will be useful, but **
** WITHOUT ANY WARRANTY; without even the implied warranty of **
** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the **
** GNU General Public License for more details. **
** **
** You should have received a copy of the GNU General Public License **
** along with this program; if not, see <http://www.gnu.org/licenses/>. **
*************************************************************************/
#include <sstream>
#include "Color.hpp"
#include "Matrix.hpp"
#include "Opacity.hpp"
#include "SVGElement.hpp"
#include "XMLString.hpp"
using namespace std;
void SVGElement::setClipPathUrl (const string &url) {
if (!url.empty())
addAttribute("clip-path", "url(#"+url+")");
}
void SVGElement::setClipRule (FillRule rule) {
if (rule != FR_NONZERO)
addAttribute("clip-rule", "evenodd");
}
void SVGElement::setFillColor (Color color, bool skipBlack) {
if (color != Color::BLACK || !skipBlack)
addAttribute("fill", color.svgColorString());
}
void SVGElement::setFillOpacity (const Opacity &opacity) {
if (!opacity.isFillDefault()) {
setFillOpacity(opacity.fillalpha());
setFillOpacity(opacity.blendMode());
}
}
void SVGElement::setFillOpacity (const OpacityAlpha &alpha) {
if (!alpha.isOpaque())
addAttribute("fill-opacity", alpha.value());
}
void SVGElement::setFillOpacity (Opacity::BlendMode blendMode) {
if (blendMode != Opacity::BM_NORMAL)
addAttribute("style", "mix-blend-mode:"+Opacity::cssBlendMode(blendMode));
}
void SVGElement::setFillRule (FillRule rule) {
if (rule != FR_NONZERO)
addAttribute("fill-rule", "evenodd");
}
void SVGElement::setFillPatternUrl (const std::string &url) {
if (!url.empty())
addAttribute("fill", "url(#" + url + ")");
}
void SVGElement::setNoFillColor () {
addAttribute("fill", "none");
}
void SVGElement::setPoints (const vector<DPair> &points) {
if (!points.empty()) {
ostringstream oss;
for (const DPair &p : points)
oss << XMLString(p.x()) << ' ' << XMLString(p.y()) << ' ';
string str = oss.str();
str.pop_back();
addAttribute("points", str);
}
}
void SVGElement::setStrokeColor (Color color) {
addAttribute("stroke", color.svgColorString());
}
void SVGElement::setStrokeDash (const vector<double> &pattern, double offset) {
if (!pattern.empty()) {
string patternStr;
for (double dashValue : pattern)
patternStr += XMLString(dashValue)+" ";
patternStr.pop_back();
addAttribute("stroke-dasharray", patternStr);
if (offset != 0)
addAttribute("stroke-dashoffset", offset);
}
}
void SVGElement::setStrokeLineCap (LineCap cap) {
if (cap != LC_BUTT)
addAttribute("stroke-linecap", cap == LC_ROUND ? "round" : "square");
}
void SVGElement::setStrokeLineJoin (LineJoin join) {
if (join != LJ_MITER)
addAttribute("stroke-linejoin", join == LJ_BEVEL ? "bevel" : "round");
}
void SVGElement::setStrokeMiterLimit (double limit) {
if (limit != 4)
addAttribute("stroke-miterlimit", limit);
}
void SVGElement::setStrokeOpacity (const Opacity &opacity) {
if (!opacity.isStrokeDefault()) {
if (!opacity.strokealpha().isOpaque())
addAttribute("stroke-opacity", opacity.strokealpha().value());
if (opacity.blendMode() != Opacity::BM_NORMAL)
addAttribute("style", "mix-blend-mode:"+opacity.cssBlendMode());
}
}
void SVGElement::setStrokeWidth (double width) {
if (width != 1)
addAttribute("stroke-width", width);
}
void SVGElement::setTransform (const Matrix &matrix) {
if (!matrix.isIdentity())
addAttribute("transform", matrix.toSVG());
}
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