diff options
author | Akira Kakuto <kakuto@fuk.kindai.ac.jp> | 2016-07-04 22:07:54 +0000 |
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committer | Akira Kakuto <kakuto@fuk.kindai.ac.jp> | 2016-07-04 22:07:54 +0000 |
commit | ab399d16f49b986d1de514b2fb8434872decf91d (patch) | |
tree | 6d3d0faca673d7aa1c0f48ca679ce7841a82e3df /Build/source/texk/dvisvgm/dvisvgm-src/src/SVGCharHandler.cpp | |
parent | dd2749b37f7b6a9976869e29a028eeab80d686df (diff) |
dvisvgm 1.16
git-svn-id: svn://tug.org/texlive/trunk@41628 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Build/source/texk/dvisvgm/dvisvgm-src/src/SVGCharHandler.cpp')
-rw-r--r-- | Build/source/texk/dvisvgm/dvisvgm-src/src/SVGCharHandler.cpp | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/Build/source/texk/dvisvgm/dvisvgm-src/src/SVGCharHandler.cpp b/Build/source/texk/dvisvgm/dvisvgm-src/src/SVGCharHandler.cpp new file mode 100644 index 00000000000..98fd59f1523 --- /dev/null +++ b/Build/source/texk/dvisvgm/dvisvgm-src/src/SVGCharHandler.cpp @@ -0,0 +1,86 @@ +/************************************************************************* +** SVGCharHandler.cpp ** +** ** +** This file is part of dvisvgm -- a fast DVI to SVG converter ** +** Copyright (C) 2005-2016 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 "SVGCharHandler.h" +#include "XMLNode.h" + +using namespace std; + + +void SVGCharHandler::setInitialContextNode (XMLElementNode *node) { + resetContextNode(); + _initialContextNode = node; +} + + +/** Changes the context element. All following nodes will be appended to this node. */ +void SVGCharHandler::pushContextNode (XMLElementNode *node) { + if (node && (_contextNodeStack.empty() || node != _contextNodeStack.top())) { + contextNode()->append(node); + _contextNodeStack.push(node); + } +} + + +void SVGCharHandler::popContextNode () { + if (!_contextNodeStack.empty()) + _contextNodeStack.pop(); +} + + +/** Resets the context node to the initial element node. */ +void SVGCharHandler::resetContextNode () { + while (!_contextNodeStack.empty()) + _contextNodeStack.pop(); +} + + +/** Creates and returns a new SVG text element. + * @param[in] x current x coordinate + * @param[in] y current y coordinate */ +XMLElementNode* SVGCharTextHandler::createTextNode (double x, double y) const { + const Font *font = _font.get(); + if (!font) + return 0; + XMLElementNode *textNode = new XMLElementNode("text"); + if (_selectFontByClass) + textNode->addAttribute("class", string("f")+XMLString(_fontnum)); + else { + + textNode->addAttribute("font-family", font->name()); + textNode->addAttribute("font-size", XMLString(font->scaledSize())); + if (font->color() != Color::BLACK) + textNode->addAttribute("fill", font->color().svgColorString()); + } + if (_vertical) { + textNode->addAttribute("writing-mode", "tb"); + // align glyphs designed for horizontal layout properly + if (const PhysicalFont *pf = dynamic_cast<const PhysicalFont*>(font)) + if (!pf->getMetrics()->verticalLayout()) { // alphabetic text designed for horizontal layout? + x += pf->scaledAscent()/2.5; // move vertical baseline to the right by strikethrough offset + textNode->addAttribute("glyph-orientation-vertical", 90); // ensure rotation + } + } + textNode->addAttribute("x", x); + textNode->addAttribute("y", y); + if (!_matrix.get().isIdentity()) + textNode->addAttribute("transform", _matrix.get().getSVG()); + return textNode; +}
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