From 47d455dd55be855e4cc691c32f687f723d9247ee Mon Sep 17 00:00:00 2001 From: toma Date: Wed, 25 Nov 2009 17:56:58 +0000 Subject: Copy the KDE 3.5 branch to branches/trinity for new KDE 3.5 features. BUG:215923 git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/kdegraphics@1054174 283d02a7-25f6-0310-bc7c-ecb5cbfe19da --- kdvi/TeXFontDefinition.h | 126 +++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 126 insertions(+) create mode 100644 kdvi/TeXFontDefinition.h (limited to 'kdvi/TeXFontDefinition.h') diff --git a/kdvi/TeXFontDefinition.h b/kdvi/TeXFontDefinition.h new file mode 100644 index 00000000..e3effc2a --- /dev/null +++ b/kdvi/TeXFontDefinition.h @@ -0,0 +1,126 @@ +// -*- C++ -*- +/* + * The layout of a font information block. + * There is one of these for every loaded font or magnification thereof. + * Duplicates are eliminated: this is necessary because of possible recursion + * in virtual fonts. + * + * Also note the strange units. The design size is in 1/2^20 point + * units (also called micro-points), and the individual character widths + * are in the TFM file in 1/2^20 ems units, i.e., relative to the design size. + * + * We then change the sizes to SPELL units (unshrunk pixel / 2^16). + */ + +#ifndef _FONT_H +#define _FONT_H + +#include +#include + +#include + +class dviRenderer; +class TeXFont; + +typedef void (dviRenderer::*set_char_proc)(unsigned int, unsigned int); + + +// Per character information for virtual fonts + +class macro { + public: + macro(); + ~macro(); + + unsigned char *pos; /* address of first byte of macro */ + unsigned char *end; /* address of last+1 byte */ + Q_INT32 dvi_advance_in_units_of_design_size_by_2e20; /* DVI units to move reference point */ + bool free_me; // if memory at pos should be returned on destruction +}; + + +class TeXFontDefinition { + public: + // Currently, kdvi supports fonts with at most 256 characters to + // comply with "The DVI Driver Standard, Level 0". If you change + // this value here, make sure to go through all the source and + // ensure that character numbers are stored in ints rather than + // unsigned chars. + static const unsigned int max_num_of_chars_in_font = 256; + enum font_flags { + FONT_IN_USE = 1, // used for housekeeping + FONT_LOADED = 2, // if font file has been read + FONT_VIRTUAL = 4, // if font is virtual + FONT_KPSE_NAME = 8 // if kpathsea has already tried to find the font name + }; + + + TeXFontDefinition(QString nfontname, double _displayResolution_in_dpi, Q_UINT32 chk, Q_INT32 _scaled_size_in_DVI_units, + class fontPool *pool, double _enlargement); + ~TeXFontDefinition(); + + void reset(); + void fontNameReceiver(const QString&); + + // Members for character fonts + void setDisplayResolution(double _displayResolution_in_dpi); + + bool isLocated() const {return ((flags & FONT_KPSE_NAME) != 0);} + void markAsLocated() {flags |= FONT_KPSE_NAME;} + + void mark_as_used(); + class fontPool *font_pool; // Pointer to the pool that contains this font. + QString fontname; // name of font, such as "cmr10" + unsigned char flags; // flags byte (see values below) + double enlargement; + Q_INT32 scaled_size_in_DVI_units; // Scaled size from the font definition command; in DVI units + set_char_proc set_char_p; // proc used to set char + + // Resolution of the display device (resolution will usually be + // scaled, according to the zoom) + double displayResolution_in_dpi; + + FILE *file; // open font file or NULL + QString filename; // name of font file + + TeXFont *font; + macro *macrotable; // used by (loaded) virtual fonts + QIntDict vf_table; // used by (loaded) virtual fonts, list of fonts used by this vf, + // acessible by number + TeXFontDefinition *first_font; // used by (loaded) virtual fonts, list of fonts used by this vf + +#ifdef HAVE_FREETYPE + const QString &getFullFontName() const {return fullFontName;} + const QString &getFullEncodingName() const {return fullEncodingName;} +#endif + const QString &getFontTypeName() const {return fontTypeName;} + +#ifdef HAVE_FREETYPE + /** For FREETYPE fonts, which use a map file, this field will + contain the full name of the font (e.g. 'Computer Modern'). If + the name does not exist, or cannot be found, this field will be + QString::null. Only subclasses of TeXFont should write into this + field. */ + QString fullFontName; + + /** For FREETYPE fonts, which use a map file, this field will + contain the full name of the font encoding (e.g. 'TexBase1'). If + the encoding name does not exist, or cannot be found, this field + will be QString::null. Only subclasses of TeXFont should write + into this field. */ + QString fullEncodingName; +#endif + + private: + Q_UINT32 checksum; + + /** This will be set to a human-readable description of the font, + e.g. "virtual" or "TeX PK", or "Type 1" */ + QString fontTypeName; + + // Functions related to virtual fonts + void read_VF_index(void ); +}; + +#endif -- cgit v1.2.3