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authorPeter Breitenlohner <peb@mppmu.mpg.de>2013-05-21 13:53:17 +0000
committerPeter Breitenlohner <peb@mppmu.mpg.de>2013-05-21 13:53:17 +0000
commitd3043b6e77a218362554cff9b065c8c05abef5d9 (patch)
tree75c748f0bbbf7eb9bfa833bba897ae3476a14a5c /Build/source/texk/dvisvgm/dvisvgm-1.2.1/src/DVIToSVGActions.cpp
parent4d30fc89a17b30f1afd7472aa5219fe6d60afb52 (diff)
dvisvgm 1.2.2
git-svn-id: svn://tug.org/texlive/trunk@30608 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Build/source/texk/dvisvgm/dvisvgm-1.2.1/src/DVIToSVGActions.cpp')
-rw-r--r--Build/source/texk/dvisvgm/dvisvgm-1.2.1/src/DVIToSVGActions.cpp343
1 files changed, 0 insertions, 343 deletions
diff --git a/Build/source/texk/dvisvgm/dvisvgm-1.2.1/src/DVIToSVGActions.cpp b/Build/source/texk/dvisvgm/dvisvgm-1.2.1/src/DVIToSVGActions.cpp
deleted file mode 100644
index c9853b220e9..00000000000
--- a/Build/source/texk/dvisvgm/dvisvgm-1.2.1/src/DVIToSVGActions.cpp
+++ /dev/null
@@ -1,343 +0,0 @@
-/*************************************************************************
-** DVIToSVGActions.cpp **
-** **
-** This file is part of dvisvgm -- the DVI to SVG converter **
-** Copyright (C) 2005-2013 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 <cstring>
-#include <ctime>
-#include "BoundingBox.h"
-#include "DVIToSVG.h"
-#include "DVIToSVGActions.h"
-#include "Font.h"
-#include "FontManager.h"
-#include "GlyphTracerMessages.h"
-#include "SpecialManager.h"
-#include "System.h"
-#include "XMLNode.h"
-#include "XMLString.h"
-
-using namespace std;
-
-
-double DVIToSVGActions::PROGRESSBAR_DELAY=1000; // initial delay in seconds (values >= 1000 disable the progressbar)
-bool DVIToSVGActions::EXACT_BBOX = false;
-
-
-DVIToSVGActions::DVIToSVGActions (DVIToSVG &dvisvg, SVGTree &svg)
- : _svg(svg), _dvisvg(dvisvg), _pageMatrix(0), _bgcolor(Color::TRANSPARENT), _boxes(0)
-{
- _currentFontNum = -1;
- _pageCount = 0;
-}
-
-
-DVIToSVGActions::~DVIToSVGActions () {
- delete _pageMatrix;
- delete _boxes;
-}
-
-
-void DVIToSVGActions::reset() {
- _usedChars.clear();
- _usedFonts.clear();
- _bbox = BoundingBox();
- _currentFontNum = -1;
- _bgcolor = Color::TRANSPARENT;
-}
-
-
-void DVIToSVGActions::setPageMatrix (const Matrix &matrix) {
- delete _pageMatrix;
- _pageMatrix = new Matrix(matrix);
-}
-
-
-void DVIToSVGActions::moveToX (double x) {
- _dvisvg.specialManager().notifyPositionChange(getX(), getY());
- _svg.setX(getX()); // get current horizontal DVI position
-}
-
-
-void DVIToSVGActions::moveToY (double y) {
- _dvisvg.specialManager().notifyPositionChange(getX(), getY());
- _svg.setY(y);
-}
-
-
-/** This method is called when a "set char" command was found in the DVI file.
- * It draws a character of the current font.
- * @param[in] x horizontal position of left bounding box edge
- * @param[in] y vertical position of the character's baseline
- * @param[in] c character code relative to the current font
- * @param[in] font font to be used */
-void DVIToSVGActions::setChar (double x, double y, unsigned c, const Font *font) {
- // If we use SVG fonts there is no need to record all font name/char/size combinations
- // because the SVG font mechanism handles this automatically. It's sufficient to
- // record font names and chars. The various font sizes can be ignored here.
- // For a given font object, Font::uniqueFont() returns the same unique font object for
- // all fonts with the same name.
- _usedChars[SVGTree::USE_FONTS ? font->uniqueFont() : font].insert(c);
-
- // However, we record all required fonts
- _usedFonts.insert(font);
-
- _svg.appendChar(c, x, y, *font);
- // update bounding box
- double wl=0, wr=0, h=0, d=0; // left/right width, height, and depth of character c
- static string fontname;
- GlyphTracerMessages callback(fontname != font->name(), false);
- fontname = font->name();
- BoundingBox charbox;
- const PhysicalFont *ph_font = dynamic_cast<const PhysicalFont*>(font);
- if (EXACT_BBOX && ph_font && ph_font->getGlyphBox(c, charbox, &callback)) {
- if ((wl = charbox.minX()) > 0) wl=0;
- if ((wr = charbox.maxX()) < 0) wr=0;
- if ((h = charbox.maxY()) < 0) h=0;
- if ((d = -charbox.minY()) < 0) d=0;
- }
- else {
- double s = font->scaleFactor();
- wr = s*(font->charWidth(c) + font->italicCorr(c));
- h = s*font->charHeight(c);
- d = s*font->charDepth(c);
- }
-
- BoundingBox bbox(x+wl, y-h, x+wr, y+d);
-/* XMLElementNode *rect = new XMLElementNode("rect");
- rect->addAttribute("x", x+wl);
- rect->addAttribute("y", y-h);
- rect->addAttribute("width", (-wl+wr));
- rect->addAttribute("height", (h+d));
- rect->addAttribute("fill", "none");
- rect->addAttribute("stroke", "red");
- rect->addAttribute("stroke-width", "0.5");
- _svg.appendToPage(rect);*/
- if (!getMatrix().isIdentity())
- bbox.transform(getMatrix());
- embed(bbox);
-}
-
-
-/** This method is called when a "set rule" or "put rule" command was found in the
- * DVI file. It draws a solid unrotated rectangle.
- * @param[in] x horizontal position of left edge
- * @param[in] y vertical position of bottom(!) edge
- * @param[in] height length of the vertical edges
- * @param[in] width length of the horizontal edges */
-void DVIToSVGActions::setRule (double x, double y, double height, double width) {
-/* x *= BP;
- y *= BP;
- height *= BP;
- width *= BP; */
- // (x,y) is the lower left corner of the rectangle
- XMLElementNode *rect = new XMLElementNode("rect");
- rect->addAttribute("x", x);
- rect->addAttribute("y", y-height);
- rect->addAttribute("height", height);
- rect->addAttribute("width", width);
- if (!getMatrix().isIdentity())
- rect->addAttribute("transform", getMatrix().getSVG());
- if (getColor() != Color::BLACK)
- rect->addAttribute("fill", _svg.getColor().rgbString());
- _svg.appendToPage(rect);
-
- // update bounding box
- BoundingBox bb(x, y-height, x+width, y);
- if (!getMatrix().isIdentity())
- bb.transform(getMatrix());
- embed(bb);
-}
-
-
-/** This method is called when a "set font" command was found in the DVI file. The
- * font must be previously defined.
- * @param[in] num unique number of the font in the DVI file (not necessarily equal to the DVI font number)
- * @param[in] font pointer to the font object (always represents a physical font and never a virtual font) */
-void DVIToSVGActions::setFont (int num, const Font *font) {
- _currentFontNum = num;
- _svg.setFont(num, font);
-}
-
-
-/** This method is called when a "special" command was found in the DVI file.
- * @param[in] s the special expression */
-void DVIToSVGActions::special (const string &s) {
- try {
- _dvisvg.specialManager().process(s, this, this);
- // @@ output message in case of unsupported specials?
- }
- catch (const SpecialException &e) {
- Message::estream(true) << "error in special '" << s << "': " << e.what() << '\n';
- }
-}
-
-
-void DVIToSVGActions::beginSpecial (const char *prefix) {
-}
-
-
-void DVIToSVGActions::endSpecial (const char *) {
-}
-
-
-/** This method is called when the DVI preamble was read
- * @param[in] cmt preamble comment text. */
-void DVIToSVGActions::preamble (const string &cmt) {
-}
-
-
-void DVIToSVGActions::postamble () {
-}
-
-
-/** This method is called when a "begin of page (bop)" command was found in the DVI file.
- * @param[in] c array with 10 components representing \count0 ... \count9. c[0] contains the
- * current (printed) page number (may differ from page count) */
-void DVIToSVGActions::beginPage (unsigned n, Int32 *c) {
- _svg.newPage(++_pageCount);
- _bbox = BoundingBox(); // clear bounding box
- if (_boxes)
- _boxes->clear();
-}
-
-
-/** This method is called when an "end of page (eop)" command was found in the DVI file. */
-void DVIToSVGActions::endPage () {
- _svg.transformPage(_pageMatrix);
- if (_bgcolor != Color::TRANSPARENT) {
- // create a rectangle filled with the background color
- XMLElementNode *r = new XMLElementNode("rect");
- r->addAttribute("x", _bbox.minX());
- r->addAttribute("y", _bbox.minY());
- r->addAttribute("width", _bbox.width());
- r->addAttribute("height", _bbox.height());
- r->addAttribute("fill", _bgcolor.rgbString());
- _svg.prependToPage(r);
- }
-}
-
-
-void DVIToSVGActions::setBgColor (const Color &color) {
- _bgcolor = color;
-}
-
-
-void DVIToSVGActions::embed(const BoundingBox& bbox) {
- _bbox.embed(bbox);
- if (_boxes) {
- FORALL(*_boxes, BoxMap::iterator, it)
- it->second.embed(bbox);
- }
-}
-
-
-void DVIToSVGActions::embed(const DPair& p, double r) {
- if (r == 0)
- _bbox.embed(p);
- else
- _bbox.embed(p, r);
- if (_boxes)
- FORALL(*_boxes, BoxMap::iterator, it)
- it->second.embed(p, r);
-}
-
-
-BoundingBox& DVIToSVGActions::bbox(const string& name, bool reset) {
- if (!_boxes)
- _boxes = new BoxMap;
- BoundingBox &box = (*_boxes)[name];
- if (reset)
- box = BoundingBox();
- return box;
-}
-
-
-/** This method is called by subprocesses like the PS handler when
- * a computation step has finished. Since the total number of steps
- * can't be determined in advance, we don't show a percent value but
- * a rotating dash. */
-void DVIToSVGActions::progress (const char *id) {
- if (PROGRESSBAR_DELAY < 1000) {
- static double time=0;
- // slow down updating of the progress indicator to prevent flickering
- if (System::time() - time > 0.1) {
- progress(0, 0, id);
- time = System::time();
- }
- }
-}
-
-
-/** Returns the number of digits of a given integer. */
-static int digits (int n) {
- if (n == 0)
- return 1;
- if (n > 0)
- return int(log10(double(n))+1);
- return int(log10(double(-n))+2);
-}
-
-
-/** Draws a simple progress indicator.
- * @param[in] current current iteration step (of 'total' steps)
- * @param[in] total total number of iteration steps
- * @param[in] id ID of the subprocess providing the information */
-void DVIToSVGActions::progress (size_t current, size_t total, const char *id) {
- static double time=0;
- static bool draw=false; // show progress indicator?
- static int step = -1; // >=0: rotating dash
- static size_t prev_current=0, prev_total=1;
- static const char *prev_id=0;
- const char *tips = "-\\|/";
- if (current == 0 && total > 0) {
- time = System::time();
- draw = false;
- Message::mstream() << '\n';
- }
- // don't show the progress indicator before the given time has elapsed
- if (!draw && System::time()-time > PROGRESSBAR_DELAY)
- draw = true;
- if (draw && (System::time() - time > 0.1 || (total > 0 && current == total) || prev_id != id)) {
- if (total == 0) {
- current = prev_current;
- total = prev_total;
- step = (step+1) % 4;
- }
- else {
- prev_current = current;
- prev_total = total;
- step = -1;
- }
- // adapt length of progress indicator to terminal width
- int cols = Terminal::columns();
- int width = (cols == 0 || cols > 60) ? 50 : 49-60+cols;
- double factor = double(current)/double(total);
- int length = int(width*factor);
- Message::mstream(false, Message::MC_PROGRESS)
- << '[' << string(length, '=')
- << (factor < 1.0 ? (step < 0 ? ' ' : tips[step]) : '=')
- << string(width-length, ' ')
- << "] " << string(3-digits(int(100*factor)), ' ') << int(100*factor)
- << "%\r";
- // overprint indicator when finished
- if (factor == 1.0)
- Message::estream().clearline();
- time = System::time();
- prev_id = id;
- }
-}