summaryrefslogtreecommitdiff
path: root/dviware/dvisvgm/src/SVGElement.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'dviware/dvisvgm/src/SVGElement.cpp')
-rw-r--r--dviware/dvisvgm/src/SVGElement.cpp153
1 files changed, 153 insertions, 0 deletions
diff --git a/dviware/dvisvgm/src/SVGElement.cpp b/dviware/dvisvgm/src/SVGElement.cpp
new file mode 100644
index 0000000000..129bb22c82
--- /dev/null
+++ b/dviware/dvisvgm/src/SVGElement.cpp
@@ -0,0 +1,153 @@
+/*************************************************************************
+** SVGElement.cpp **
+** **
+** This file is part of dvisvgm -- a fast DVI to SVG converter **
+** Copyright (C) 2005-2021 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());
+}