First commit - moving from LuaForge to SourceForge

1 files changed, 267 insertions, 0 deletions

diff --git a/src/pdflib/font/ft_font.h b/src/pdflib/font/ft_font.h
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+++ b/src/pdflib/font/ft_font.h
@@ -0,0 +1,267 @@
+/*---------------------------------------------------------------------------*
+ |              PDFlib - A library for generating PDF on the fly             |
+ +---------------------------------------------------------------------------+
+ | Copyright (c) 1997-2006 Thomas Merz and PDFlib GmbH. All rights reserved. |
+ +---------------------------------------------------------------------------+
+ |                                                                           |
+ |    This software is subject to the PDFlib license. It is NOT in the       |
+ |    public domain. Extended versions and commercial licenses are           |
+ |    available, please check http://www.pdflib.com.                         |
+ |                                                                           |
+ *---------------------------------------------------------------------------*/
+
+/* $Id: ft_font.h,v 1.1 2008/10/17 06:10:43 scuri Exp $
+ *
+ * Header file for font handling
+ *
+ */
+
+#ifndef FT_FONT_H
+#define FT_FONT_H
+
+#include "pc_util.h"
+#include "pc_geom.h"
+#include "pc_file.h"
+#include "ft_cid.h"
+
+#define FNT_DEFAULT_WIDTH         250   /* some reasonable default */
+#define FNT_DEFAULT_CIDWIDTH     1000   /* for CID fonts */
+#define FNT_MISSING_WIDTH -1234567890   /* missing width value */
+
+#define FNT_DEFAULT_UNDERLINEWIDTH 50   /* default value of underlineThickness*/
+
+#define FNT_MAX_METRICS        2048.0   /* maximal font metrics value */
+
+/*
+ * these are the font weight values of Microsoft
+ * see LOGFONT structure member lfWeight
+ */
+#define FNT_FW_DONTCARE     0
+#define FNT_FW_THIN         100
+#define FNT_FW_EXTRALIGHT   200
+#define FNT_FW_ULTRALIGHT   200
+#define FNT_FW_LIGHT        300
+#define FNT_FW_NORMAL       400
+#define FNT_FW_REGULAR      400
+#define FNT_FW_MEDIUM       500
+#define FNT_FW_SEMIBOLD     600
+#define FNT_FW_DEMIBOLD     600
+#define FNT_FW_BOLD         700
+#define FNT_FW_EXTRABOLD    800
+#define FNT_FW_ULTRABOLD    800
+#define FNT_FW_HEAVY        900
+#define FNT_FW_BLACK        900
+
+/*
+ * these defaults are used when the stem value
+ * must be derived from the name (unused)
+ */
+#define FNT_STEMV_MIN        50     /* minimum StemV value */
+#define FNT_STEMV_LIGHT      71     /* light StemV value */
+#define FNT_STEMV_NORMAL    109     /* normal StemV value */
+#define FNT_STEMV_MEDIUM    125     /* mediumbold StemV value */
+#define FNT_STEMV_SEMIBOLD  135     /* semibold StemV value */
+#define FNT_STEMV_BOLD      165     /* bold StemV value */
+#define FNT_STEMV_EXTRABOLD 201     /* extrabold StemV value */
+#define FNT_STEMV_BLACK     241     /* black StemV value */
+
+/*
+ * Bit positions for the font descriptor flag
+ */
+#define FNT_FIXEDWIDTH      (long) (1L<<0)
+#define FNT_SERIF           (long) (1L<<1)
+#define FNT_SYMBOL          (long) (1L<<2)
+#define FNT_SCRIPT          (long) (1L<<3)
+#define FNT_ADOBESTANDARD   (long) (1L<<5)
+#define FNT_ITALIC          (long) (1L<<6)
+#define FNT_SMALLCAPS       (long) (1L<<17)
+#define FNT_FORCEBOLD       (long) (1L<<18)
+
+#define FNT_DEF_ITALICANGLE  -12           /* default italic angle */
+#define FNT_MISSING_FONTVAL  PDC_SHRT_MIN  /* missing font value */
+
+/* start sequence of PFA files */
+#define FNT_PFA_STARTSEQU   "%!PS"
+
+/* Font types */
+typedef enum
+{
+    fnt_Type0,          /* Type0 fonts */
+    fnt_Type1,          /* Type1 fonts */
+    fnt_MMType1,        /* Multiple master fonts */
+    fnt_TrueType,       /* TrueType fonts for 1-byte encoding */
+    fnt_CIDFontType2,   /* TrueType fonts for 2-byte encoding */
+    fnt_Type1C,         /* CFF PostScript fonts for 1-byte encoding */
+    fnt_CIDFontType0,   /* OpenType fonts with CFF_ table for 2-byte encoding */
+    fnt_CIDFontType0C,  /* CFF PostScript fonts for 2-byte encoding */
+    fnt_OpenType,       /* OpenType fonts for 1-byte encoding */
+    fnt_OpenTypeC,      /* OpenType fonts for 2-byte encoding */
+    fnt_Type3,          /* Type3 fonts */
+    fnt_unknownType     /* for initialization only */
+}
+fnt_fonttype;
+
+/* Font styles */
+typedef enum
+{
+    fnt_Normal,
+    fnt_Bold,
+    fnt_Italic,
+    fnt_BoldItalic
+}
+fnt_fontstyle;
+
+typedef struct fnt_interwidth_s fnt_interwidth;
+typedef struct fnt_interwidth4_s fnt_interwidth4;
+typedef struct fnt_glyphwidth_s fnt_glyphwidth;
+typedef struct fnt_font_metric_s fnt_font_metric;
+typedef struct fnt_font_s fnt_font;
+
+/* Code interval for glyph width */
+struct fnt_interwidth_s
+{
+    pdc_ushort startcode;   /* start code of interval */
+    pdc_short width;        /* width of glyphs in the code interval */
+};
+
+struct fnt_interwidth4_s
+{
+    int startcode;          /* start UTF-32 Unicode of interval */
+    pdc_short width;        /* width of glyphs in the code interval */
+};
+
+/* Code and Unicode for glyph width */
+struct fnt_glyphwidth_s
+{
+    pdc_ushort unicode;     /* UTF-16 Unicode of glyph */
+    pdc_short code;         /* builtin 8-bit code */
+    pdc_short width;        /* glyph width */
+};
+
+
+/* Font metric exchange structure */
+struct fnt_font_metric_s
+{
+    char *name;                 /* font name (/FontName) */
+    pdc_ulong flags;            /* font flags of font descriptor */
+    fnt_fonttype type;          /* type of font */
+    int charcoll;               /* supported CID character collection */
+                                /* < 0: Halfwidth Latin-1 character */
+    /* font metric */
+    pdc_scalar italicAngle;     /* AFM key: ItalicAngle */
+    int isFixedPitch;           /* AFM key: IsFixedPitch */
+    pdc_scalar llx;             /* AFM key: FontBBox */
+    pdc_scalar lly;             /* AFM key: FontBBox */
+    pdc_scalar urx;             /* AFM key: FontBBox */
+    pdc_scalar ury;             /* AFM key: FontBBox */
+    int underlinePosition;      /* AFM key: UnderlinePosition */
+    int underlineThickness;     /* AFM key: UnderlineThickness */
+    int capHeight;              /* AFM key: CapHeight */
+    int xHeight;                /* AFM key: XHeight */
+    int ascender;               /* AFM key: Ascender */
+    int descender;              /* AFM key: Descender */
+    int StdVW;                  /* AFM key: StdVW */
+    int StdHW;                  /* AFM key: StdHW */
+
+    /* glyph widths */
+    int defwidth;               /* default width */
+    int numwidths;              /* number of entries in widths */
+    int *widths;                /* ptr to glyph widths (enumerated by codes) */
+    int numinters;              /* number of entries in ciw */
+    fnt_interwidth *ciw;        /* ptr to code intervals for widths array */
+    int numglwidths;            /* number of entries in glw */
+    fnt_glyphwidth *glw;        /* ptr to glyph widths array */
+
+
+};
+
+/* Font exchange structure */
+struct fnt_font_s
+{
+    char *name;                 /* font name (/BaseFont or /Name or 'font_#') */
+    char *utf8name;             /* UTF-8 encoded font name (maybe with BOM) */
+    char *filename;             /* font file name */
+
+    fnt_font_metric m;          /* name, type, flags, charcoll and metric */
+    pdc_bool isstdfont;         /* is an incore font
+                                 * or standard CJK font in pdflib */
+    pdc_bool ishostfont;        /* is an host font */
+    pdc_bool hasdescr;          /* has font descriptor */
+    pdc_bool vertical;          /* vertical writing mode */
+
+    pdc_ushort spacechar;       /* code of space character depending on enc */
+    int spacewidth;             /* width of space character */
+    int linegap;                /* OpenType lineGap */
+    int weight;                 /* font weight value 0-1000 */
+
+    pdc_matrix matrix;          /* Type3 font matrix */
+    pdc_rectangle bbox;         /* Type3 font bounding box */
+    pdc_scalar fsscale;         /* Type3 fontsize scaling */
+
+    pdc_bool issymbfont;        /* is a symbol font */
+    pdc_encoding enc;           /* font encoding shortcut */
+
+    int numglyphs;              /* number of glyphs */
+    int numcodes;               /* number of codes */
+
+    pdc_ushort *gid2code;       /* mapping glyph ID -> [Uni]code or NULL */
+    pdc_ushort *code2gid;       /* mapping [Uni]code -> glyph ID or NULL */
+    char *cmapname;             /* CID CMap name */
+
+
+    /* font in memory */
+    pdc_bool embedded;          /* embedded font */
+    char *imgname;              /* name of virtual file containing *img */
+    size_t filelen;             /* length of (uncompressed) font data */
+    pdc_byte *img;              /* font (or CFF table) data */
+
+};
+
+/* font error numbers.
+*/
+enum
+{
+#define         fnt_genNames    1
+#include        "ft_generr.h"
+
+    FNT_E_dummy
+};
+
+/* ft_font.c */
+void fnt_register_errtab(pdc_core *pdc);
+void fnt_init_font(fnt_font *font);
+void fnt_cleanup_font(pdc_core *pdc, fnt_font *font);
+void fnt_cleanup_fontimg(pdc_core *pdc, fnt_font *font);
+int fnt_get_glyphid(int code, fnt_font *font);
+int fnt_get_code(int gid, fnt_font *font);
+int fnt_get_glyphwidth(int code, fnt_font *font);
+int fnt_get_pdf_fonttype_code(const char *typenam);
+const char *fnt_get_pdf_fonttype_name(int typecode);
+const char *fnt_get_pdf_fonttype_desc(int typecode);
+pdc_encodingvector *fnt_create_font_ev(pdc_core *pdc, fnt_font *font);
+int fnt_check_weight(int weight);
+int fnt_weightname2weight(const char *weightname);
+int fnt_stemv2weight(int stemv);
+const char *fnt_weight2weightname(int weight);
+int fnt_macfontstyle2weight(int macfontstyle);
+int fnt_weight2stemv(int weight);
+void fnt_font_logg_widths(pdc_core *pdc, fnt_font *font);
+void fnt_font_logg_protocol(pdc_core *pdc, fnt_font *font);
+
+/* ft_corefont.c */
+pdc_bool fnt_is_standard_font(const char *fontname);
+const char *fnt_get_abb_std_fontname(const char *fontname);
+void fnt_fill_font_metric(pdc_core *pdc, fnt_font *font, pdc_bool kerning,
+        const fnt_font_metric *metric);
+const fnt_font_metric *fnt_get_core_metric(const char *fontname);
+const char *fnt_get_abb_cjk_fontname(const char *fontname);
+int fnt_get_preinstalled_cidfont(const char *fontname,
+        const fnt_font_metric **fontmetric);
+const char **fnt_get_cid_widths_array(pdc_core *pdc, fnt_font *font);
+
+
+/* ft_type1.c */
+pdc_bool fnt_test_type1_font(pdc_core *pdc, const pdc_byte *img);
+pdc_bool fnt_get_type1_encoding(pdc_core *pdc, fnt_font *font, int glyphflags);
+
+#endif  /* FT_FONT_H */