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authorPeter Breitenlohner <peb@mppmu.mpg.de>2013-03-02 12:19:42 +0000
committerPeter Breitenlohner <peb@mppmu.mpg.de>2013-03-02 12:19:42 +0000
commit23761134624d629d1081b32e8a00884302d791ab (patch)
tree01939640cb3f8d213c1b8c05aee6bab411c6efb1 /Build/source/texk/dvisvgm/dvisvgm-1.1/src/FontManager.cpp
parent51c9a94fd776a8e05918e60d2c29851b936c0b07 (diff)
dvisvgm 1.2
git-svn-id: svn://tug.org/texlive/trunk@29269 c570f23f-e606-0410-a88d-b1316a301751
Diffstat (limited to 'Build/source/texk/dvisvgm/dvisvgm-1.1/src/FontManager.cpp')
-rw-r--r--Build/source/texk/dvisvgm/dvisvgm-1.1/src/FontManager.cpp296
1 files changed, 0 insertions, 296 deletions
diff --git a/Build/source/texk/dvisvgm/dvisvgm-1.1/src/FontManager.cpp b/Build/source/texk/dvisvgm/dvisvgm-1.1/src/FontManager.cpp
deleted file mode 100644
index 0481b59a969..00000000000
--- a/Build/source/texk/dvisvgm/dvisvgm-1.1/src/FontManager.cpp
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@@ -1,296 +0,0 @@
-/*************************************************************************
-** FontManager.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 <cstdlib>
-#include <fstream>
-#include <set>
-#include "Font.h"
-#include "FontEncoding.h"
-#include "FontManager.h"
-#include "FontMap.h"
-#include "FileFinder.h"
-#include "Message.h"
-#include "macros.h"
-
-using namespace std;
-
-
-FontManager::~FontManager () {
- FORALL(_fonts, vector<Font*>::iterator, i)
- delete *i;
-}
-
-
-/** Returns the singleton instance */
-FontManager& FontManager::instance () {
- static FontManager fm;
- return fm;
-}
-
-
-/** Returns a unique ID that identifies the font.
- * @param[in] n local font number, as used in DVI and VF files
- * @return non-negative font ID if font was found, -1 otherwise */
-int FontManager::fontID (int n) const {
- if (_vfStack.empty()) {
- Num2IdMap::const_iterator it = _num2id.find(n);
- return (it == _num2id.end()) ? -1 : it->second;
- }
- VfNum2IdMap::const_iterator vit = _vfnum2id.find(_vfStack.top());
- if (vit == _vfnum2id.end())
- return -1;
- const Num2IdMap &num2id = vit->second;
- Num2IdMap::const_iterator it = num2id.find(n);
- return (it == num2id.end()) ? -1 : it->second;
-}
-
-
-/** Returns a unique ID that identifies the font. Not the font object but the
- * font pointer is looked up to get the ID. Thus, two different pointers
- * referencing different objects of the same font are mapped to different IDs.
- * @param[in] font pointer to font object to be identified
- * @return non-negative font ID if font was found, -1 otherwise */
-int FontManager::fontID (const Font *font) const {
- for (size_t i=0; i < _fonts.size(); i++)
- if (_fonts[i] == font)
- return i;
- return -1;
-}
-
-
-/** Returns a unique ID that identifies the font.
- * @param[in] name name of font to be identified, e.g. cmr10
- * @return non-negative font ID if font was found, -1 otherwise */
-int FontManager::fontID (const string &name) const {
- map<string,int>::const_iterator it = _name2id.find(name);
- if (it == _name2id.end())
- return -1;
- return it->second;
-}
-
-
-int FontManager::fontnum (int id) const {
- if (id < 0 || size_t(id) > _fonts.size())
- return -1;
- if (_vfStack.empty()) {
- FORALL(_num2id, Num2IdMap::const_iterator, i)
- if (i->second == id)
- return i->first;
- }
- else {
- VfNum2IdMap::const_iterator it = _vfnum2id.find(_vfStack.top());
- if (it == _vfnum2id.end())
- return -1;
- const Num2IdMap &num2id = it->second;
- FORALL(num2id, Num2IdMap::const_iterator, i)
- if (i->second == id)
- return i->first;
- }
- return -1;
-}
-
-
-int FontManager::vfFirstFontNum (VirtualFont *vf) const {
- VfFirstFontMap::const_iterator it = _vfFirstFontMap.find(vf);
- return (it == _vfFirstFontMap.end()) ? -1 : (int) it->second;
-}
-
-
-/** Returns a previously registered font.
- * @param[in] n local font number, as used in DVI and VF files
- * @return pointer to font if font was found, 0 otherwise */
-Font* FontManager::getFont (int n) const {
- int id = fontID(n);
- return (id < 0) ? 0 : _fonts[id];
-}
-
-
-Font* FontManager::getFont (const string &name) const {
- int id = fontID(name);
- if (id < 0)
- return 0;
- return _fonts[id];
-}
-
-
-Font* FontManager::getFontById (int id) const {
- if (id < 0 || size_t(id) >= _fonts.size())
- return 0;
- return _fonts[id];
-}
-
-
-/** Returns the current active virtual font. */
-VirtualFont* FontManager::getVF () const {
- return _vfStack.empty() ? 0 : _vfStack.top();
-}
-
-
-static Font* create_font (const string &filename, const string &fontname, int fontindex, UInt32 checksum, double dsize, double ssize) {
- string ext;
- if (const char *dot = strrchr(filename.c_str(), '.'))
- ext = dot+1;
- if (!ext.empty() && FileFinder::lookup(filename)) {
- if (ext == "pfb")
- return PhysicalFont::create(fontname, checksum, dsize, ssize, PhysicalFont::PFB);
- if (ext == "ttf")
- return PhysicalFont::create(fontname, checksum, dsize, ssize, PhysicalFont::TTF);
- if (ext == "ttc")
- return PhysicalFont::create(fontname, fontindex, checksum, dsize, ssize);
- if (ext == "vf")
- return VirtualFont::create(fontname, checksum, dsize, ssize);
- if (ext == "mf")
- return PhysicalFont::create(fontname, checksum, dsize, ssize, PhysicalFont::MF);
- }
- return 0;
-}
-
-
-/** Registers a new font to be managed by the FontManager. If there is
- * already a registered font assigned to number n, nothing happens.
- * @param[in] fontnum local font number, as used in DVI and VF files
- * @param[in] name TFM fontname given in DVI file, e.g. cmr10
- * @param[in] checksum checksum to be compared with TFM checksum
- * @param[in] dsize design size in TeX point units
- * @param[in] ssize scaled size in TeX point units
- * @return id of registered font */
-int FontManager::registerFont (UInt32 fontnum, string name, UInt32 checksum, double dsize, double ssize) {
- int id = fontID(fontnum);
- if (id >= 0)
- return id;
-
- Font *newfont = 0;
- const int newid = _fonts.size(); // the new font gets this ID
- Name2IdMap::iterator it = _name2id.find(name);
- if (it != _name2id.end()) { // font with same name already registered?
- Font *font = _fonts[it->second];
- newfont = font->clone(dsize, ssize);
- }
- else {
- string filename = name;
- int fontindex = 0;
- const FontMap::Entry *map_entry = FontMap::instance().lookup(name);
- if (map_entry) {
- filename = map_entry->fontname;
- fontindex = map_entry->fontindex;
- }
- // try to find font file with the exact given name
- if (filename.rfind(".") != string::npos)
- newfont = create_font(filename, name, fontindex, checksum, dsize, ssize);
- else {
- // try various font file formats if the given file has no extension
- const char *exts[] = {".pfb", ".ttc", ".ttf", ".vf", ".mf", 0};
- for (const char **p = exts; *p && !newfont; ++p)
- newfont = create_font(filename+*p, name, fontindex, checksum, dsize, ssize);
- }
- if (map_entry)
- if (PhysicalFont *pf = dynamic_cast<PhysicalFont*>(newfont))
- pf->setStyle(map_entry->bold, map_entry->extend, map_entry->slant);
- if (!newfont) {
- // create dummy font as a placeholder if the proper font is not available
- newfont = new EmptyFont(name);
- if (filename.rfind(".") == string::npos)
- filename += ".mf";
- // print warning message about missing font file (only once for each filename)
- static set<string> missing_fonts;
- if (missing_fonts.find(filename) == missing_fonts.end()) {
- Message::wstream(true) << "font file '" << filename << "' not found\n";
- missing_fonts.insert(filename);
- }
- }
- else if (!newfont->verifyChecksums())
- Message::wstream(true) << "checksum mismatch in font " << name << '\n';
- _name2id[name] = newid;
- }
- _fonts.push_back(newfont);
- if (_vfStack.empty()) // register font referenced in dvi file?
- _num2id[fontnum] = newid;
- else { // register font referenced in vf file
- VirtualFont *vf = const_cast<VirtualFont*>(_vfStack.top());
- _vfnum2id[vf][fontnum] = newid;
- if (_vfFirstFontMap.find(vf) == _vfFirstFontMap.end()) // first fontdef of VF?
- _vfFirstFontMap[vf] = fontnum;
- }
- return newid;
-}
-
-
-/** Enters a new virtual font frame.
- * This method must be called before processing a VF character.
- * @param[in] vf virtual font */
-void FontManager::enterVF (VirtualFont *vf) {
- if (vf)
- _vfStack.push(vf);
-}
-
-
-/** Leaves a previously entered virtual font frame. */
-void FontManager::leaveVF () {
- if (!_vfStack.empty())
- _vfStack.pop();
-}
-
-
-/** Assigns a sequence of DVI commands to a char code.
- * @param[in] c character code
- * @param[in] dvi points to vector with DVI commands */
-void FontManager::assignVfChar (int c, vector<UInt8> *dvi) {
- if (!_vfStack.empty() && dvi)
- _vfStack.top()->assignChar(c, dvi);
-}
-
-
-ostream& FontManager::write (ostream &os, Font *font, int level) {
-#if 0
- if (font) {
- int id = -1;
- for (int i=0; i < fonts.size() && id < 0; i++)
- if (fonts[i] == font)
- id = i;
-
- VirtualFont *vf = dynamic_cast<VirtualFont*>(font);
- for (int j=0; j < level+1; j++)
- os << " ";
- os << "id " << id
- << " fontnum " << fontnum(id) << " "
- << (vf ? "VF" : "PF") << " "
- << font->name()
- << endl;
-
- if (vf) {
- enterVF(vf);
- const Num2IdMap &num2id = vfnum2id.find(vf)->second;
- FORALL(num2id, Num2IdMap::const_iterator, i) {
- Font *font = fonts[i->second];
- write(os, font, level+1);
- }
- leaveVF();
- }
- }
- else {
- for (int i=0; i < fonts.size(); i++)
- write(os, fonts[i], level);
- os << endl;
- }
-#endif
- return os;
-}
-