diff options
author | Peter Breitenlohner <peb@mppmu.mpg.de> | 2013-05-21 13:53:17 +0000 |
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committer | Peter Breitenlohner <peb@mppmu.mpg.de> | 2013-05-21 13:53:17 +0000 |
commit | d3043b6e77a218362554cff9b065c8c05abef5d9 (patch) | |
tree | 75c748f0bbbf7eb9bfa833bba897ae3476a14a5c /Build/source/texk/dvisvgm/dvisvgm-1.2.1/src/DVIToSVGActions.cpp | |
parent | 4d30fc89a17b30f1afd7472aa5219fe6d60afb52 (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.cpp | 343 |
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; - } -} |