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Diffstat (limited to 'source/pdf/pdf-fontfile.c')
| -rw-r--r-- | source/pdf/pdf-fontfile.c | 153 |
1 files changed, 153 insertions, 0 deletions
diff --git a/source/pdf/pdf-fontfile.c b/source/pdf/pdf-fontfile.c new file mode 100644 index 00000000..c9990dad --- /dev/null +++ b/source/pdf/pdf-fontfile.c @@ -0,0 +1,153 @@ +#include "mupdf/pdf.h" + +/* + Which fonts are embedded is based on a few preprocessor definitions. + + The base 14 fonts are always embedded. + For font substitution we embed DroidSans which has good glyph coverage. + For CJK font substitution we embed DroidSansFallback. + + Set NOCJK to skip all CJK support (this also omits embedding the CJK CMaps) + Set NOCJKFONT to skip the embedded CJK font. + Set NOCJKFULL to embed a smaller CJK font without CJK Extension A support. + + Set NODROIDFONT to use the base 14 fonts as substitute fonts. +*/ + +#ifdef NOCJK +#define NOCJKFONT +#endif + +#include "gen_font_base14.h" + +#ifndef NODROIDFONT +#include "gen_font_droid.h" +#endif + +#ifndef NOCJKFONT +#ifndef NOCJKFULL +#include "gen_font_cjk_full.h" +#else +#include "gen_font_cjk.h" +#endif +#endif + +unsigned char * +pdf_lookup_builtin_font(char *name, unsigned int *len) +{ + if (!strcmp("Courier", name)) { + *len = sizeof pdf_font_NimbusMonL_Regu; + return (unsigned char*) pdf_font_NimbusMonL_Regu; + } + if (!strcmp("Courier-Bold", name)) { + *len = sizeof pdf_font_NimbusMonL_Bold; + return (unsigned char*) pdf_font_NimbusMonL_Bold; + } + if (!strcmp("Courier-Oblique", name)) { + *len = sizeof pdf_font_NimbusMonL_ReguObli; + return (unsigned char*) pdf_font_NimbusMonL_ReguObli; + } + if (!strcmp("Courier-BoldOblique", name)) { + *len = sizeof pdf_font_NimbusMonL_BoldObli; + return (unsigned char*) pdf_font_NimbusMonL_BoldObli; + } + if (!strcmp("Helvetica", name)) { + *len = sizeof pdf_font_NimbusSanL_Regu; + return (unsigned char*) pdf_font_NimbusSanL_Regu; + } + if (!strcmp("Helvetica-Bold", name)) { + *len = sizeof pdf_font_NimbusSanL_Bold; + return (unsigned char*) pdf_font_NimbusSanL_Bold; + } + if (!strcmp("Helvetica-Oblique", name)) { + *len = sizeof pdf_font_NimbusSanL_ReguItal; + return (unsigned char*) pdf_font_NimbusSanL_ReguItal; + } + if (!strcmp("Helvetica-BoldOblique", name)) { + *len = sizeof pdf_font_NimbusSanL_BoldItal; + return (unsigned char*) pdf_font_NimbusSanL_BoldItal; + } + if (!strcmp("Times-Roman", name)) { + *len = sizeof pdf_font_NimbusRomNo9L_Regu; + return (unsigned char*) pdf_font_NimbusRomNo9L_Regu; + } + if (!strcmp("Times-Bold", name)) { + *len = sizeof pdf_font_NimbusRomNo9L_Medi; + return (unsigned char*) pdf_font_NimbusRomNo9L_Medi; + } + if (!strcmp("Times-Italic", name)) { + *len = sizeof pdf_font_NimbusRomNo9L_ReguItal; + return (unsigned char*) pdf_font_NimbusRomNo9L_ReguItal; + } + if (!strcmp("Times-BoldItalic", name)) { + *len = sizeof pdf_font_NimbusRomNo9L_MediItal; + return (unsigned char*) pdf_font_NimbusRomNo9L_MediItal; + } + if (!strcmp("Symbol", name)) { + *len = sizeof pdf_font_StandardSymL; + return (unsigned char*) pdf_font_StandardSymL; + } + if (!strcmp("ZapfDingbats", name)) { + *len = sizeof pdf_font_Dingbats; + return (unsigned char*) pdf_font_Dingbats; + } + *len = 0; + return NULL; +} + +unsigned char * +pdf_lookup_substitute_font(int mono, int serif, int bold, int italic, unsigned int *len) +{ +#ifdef NODROIDFONT + if (mono) { + if (bold) { + if (italic) return pdf_lookup_builtin_font("Courier-BoldOblique", len); + else return pdf_lookup_builtin_font("Courier-Bold", len); + } else { + if (italic) return pdf_lookup_builtin_font("Courier-Oblique", len); + else return pdf_lookup_builtin_font("Courier", len); + } + } else if (serif) { + if (bold) { + if (italic) return pdf_lookup_builtin_font("Times-BoldItalic", len); + else return pdf_lookup_builtin_font("Times-Bold", len); + } else { + if (italic) return pdf_lookup_builtin_font("Times-Italic", len); + else return pdf_lookup_builtin_font("Times-Roman", len); + } + } else { + if (bold) { + if (italic) return pdf_lookup_builtin_font("Helvetica-BoldOblique", len); + else return pdf_lookup_builtin_font("Helvetica-Bold", len); + } else { + if (italic) return pdf_lookup_builtin_font("Helvetica-Oblique", len); + else return pdf_lookup_builtin_font("Helvetica", len); + } + } +#else + if (mono) { + *len = sizeof pdf_font_DroidSansMono; + return (unsigned char*) pdf_font_DroidSansMono; + } else { + *len = sizeof pdf_font_DroidSans; + return (unsigned char*) pdf_font_DroidSans; + } +#endif +} + +unsigned char * +pdf_lookup_substitute_cjk_font(int ros, int serif, unsigned int *len) +{ +#ifndef NOCJKFONT +#ifndef NOCJKFULL + *len = sizeof pdf_font_DroidSansFallbackFull; + return (unsigned char*) pdf_font_DroidSansFallbackFull; +#else + *len = sizeof pdf_font_DroidSansFallback; + return (unsigned char*) pdf_font_DroidSansFallback; +#endif +#else + *len = 0; + return NULL; +#endif +} |