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#include "mupdf/pdf.h"

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/*

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	Which fonts are embedded is based on a few preprocessor definitions.

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	The base 14 fonts are always embedded.

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	For CJK font substitution we embed DroidSansFallback.

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	Set NOCJK to skip all CJK support (this also omits embedding the CJK CMaps)

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	Set NOCJKFONT to skip the embedded CJK font.

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	Set NOCJKFULL to embed a smaller CJK font without CJK Extension A support.

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*/

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#ifdef NOCJK

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#define NOCJKFONT

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#endif

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#include "gen_font_base14.h"

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#ifndef NOCJKFONT

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#ifndef NOCJKFULL

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#include "gen_font_cjk_full.h"

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#else

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#include "gen_font_cjk.h"

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#endif

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#endif

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unsigned char *

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pdf_lookup_builtin_font(fz_context *ctx, const char *name, unsigned int *len)

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{

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	if (!strcmp("Courier", name)) {

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		*len = sizeof pdf_font_NimbusMono_Regular;

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		return (unsigned char*) pdf_font_NimbusMono_Regular;

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	}

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	if (!strcmp("Courier-Bold", name)) {

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		*len = sizeof pdf_font_NimbusMono_Bold;

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		return (unsigned char*) pdf_font_NimbusMono_Bold;

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	}

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	if (!strcmp("Courier-Oblique", name)) {

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		*len = sizeof pdf_font_NimbusMono_Oblique;

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		return (unsigned char*) pdf_font_NimbusMono_Oblique;

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	}

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	if (!strcmp("Courier-BoldOblique", name)) {

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		*len = sizeof pdf_font_NimbusMono_BoldOblique;

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		return (unsigned char*) pdf_font_NimbusMono_BoldOblique;

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	}

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	if (!strcmp("Helvetica", name)) {

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		*len = sizeof pdf_font_NimbusSanL_Reg;

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		return (unsigned char*) pdf_font_NimbusSanL_Reg;

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	}

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	if (!strcmp("Helvetica-Bold", name)) {

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		*len = sizeof pdf_font_NimbusSanL_Bol;

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		return (unsigned char*) pdf_font_NimbusSanL_Bol;

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	}

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	if (!strcmp("Helvetica-Oblique", name)) {

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		*len = sizeof pdf_font_NimbusSanL_RegIta;

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		return (unsigned char*) pdf_font_NimbusSanL_RegIta;

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	}

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	if (!strcmp("Helvetica-BoldOblique", name)) {

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		*len = sizeof pdf_font_NimbusSanL_BolIta;

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		return (unsigned char*) pdf_font_NimbusSanL_BolIta;

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	}

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	if (!strcmp("Times-Roman", name)) {

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		*len = sizeof pdf_font_NimbusRomNo9L_Reg;

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		return (unsigned char*) pdf_font_NimbusRomNo9L_Reg;

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	}

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	if (!strcmp("Times-Bold", name)) {

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		*len = sizeof pdf_font_NimbusRomNo9L_Med;

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		return (unsigned char*) pdf_font_NimbusRomNo9L_Med;

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	}

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	if (!strcmp("Times-Italic", name)) {

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		*len = sizeof pdf_font_NimbusRomNo9L_RegIta;

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		return (unsigned char*) pdf_font_NimbusRomNo9L_RegIta;

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	}

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	if (!strcmp("Times-BoldItalic", name)) {

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		*len = sizeof pdf_font_NimbusRomNo9L_MedIta;

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		return (unsigned char*) pdf_font_NimbusRomNo9L_MedIta;

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	}

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	if (!strcmp("Symbol", name)) {

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		*len = sizeof pdf_font_StandardSymL;

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		return (unsigned char*) pdf_font_StandardSymL;

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	}

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	if (!strcmp("ZapfDingbats", name)) {

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		*len = sizeof pdf_font_Dingbats;

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		return (unsigned char*) pdf_font_Dingbats;

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	}

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	*len = 0;

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	return NULL;

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}

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unsigned char *

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pdf_lookup_substitute_font(fz_context *ctx, int mono, int serif, int bold, int italic, unsigned int *len)

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{

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	if (mono) {

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		if (bold) {

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			if (italic) return pdf_lookup_builtin_font(ctx, "Courier-BoldOblique", len);

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			else return pdf_lookup_builtin_font(ctx, "Courier-Bold", len);

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		} else {

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			if (italic) return pdf_lookup_builtin_font(ctx, "Courier-Oblique", len);

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			else return pdf_lookup_builtin_font(ctx, "Courier", len);

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		}

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	} else if (serif) {

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		if (bold) {

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			if (italic) return pdf_lookup_builtin_font(ctx, "Times-BoldItalic", len);

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			else return pdf_lookup_builtin_font(ctx, "Times-Bold", len);

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		} else {

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			if (italic) return pdf_lookup_builtin_font(ctx, "Times-Italic", len);

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			else return pdf_lookup_builtin_font(ctx, "Times-Roman", len);

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		}

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	} else {

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		if (bold) {

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			if (italic) return pdf_lookup_builtin_font(ctx, "Helvetica-BoldOblique", len);

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			else return pdf_lookup_builtin_font(ctx, "Helvetica-Bold", len);

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		} else {

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			if (italic) return pdf_lookup_builtin_font(ctx, "Helvetica-Oblique", len);

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			else return pdf_lookup_builtin_font(ctx, "Helvetica", len);

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		}

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	}

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}

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unsigned char *

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pdf_lookup_substitute_cjk_font(fz_context *ctx, int ros, int serif, int wmode, unsigned int *len, int *index)

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{

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#ifndef NOCJKFONT

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#ifndef NOCJKFULL

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	*index = wmode;

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	*len = sizeof pdf_font_DroidSansFallbackFull;

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	return (unsigned char*) pdf_font_DroidSansFallbackFull;

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#else

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	*index = wmode;

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	*len = sizeof pdf_font_DroidSansFallback;

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	return (unsigned char*) pdf_font_DroidSansFallback;

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#endif

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#else

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	*len = 0;

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	return NULL;

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#endif

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}

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