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/* Copyright (C) 1989, 2000 Aladdin Enterprises. All rights reserved.
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This software is provided AS-IS with no warranty, either express or
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implied.
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This software is distributed under license and may not be copied,
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modified or distributed except as expressly authorized under the terms
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of the license contained in the file LICENSE in this distribution.
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For more information about licensing, please refer to
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http://www.ghostscript.com/licensing/. For information on
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commercial licensing, go to http://www.artifex.com/licensing/ or
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contact Artifex Software, Inc., 101 Lucas Valley Road #110,
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San Rafael, CA 94903, U.S.A., +1(415)492-9861.
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*/
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/* $Id: wrfont.c,v 1.3 2003/05/05 12:57:13 igor Exp $ */
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/*
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Support functions to serialize fonts as PostScript code that can
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then be passed to FreeType via the FAPI FreeType bridge.
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Started by Graham Asher, 9th August 2002.
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*/
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#include "wrfont.h"
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#include "stdio_.h"
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#define EEXEC_KEY 55665
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#define EEXEC_FACTOR 52845
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#define EEXEC_OFFSET 22719
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void WRF_init(WRF_output* a_output,unsigned char* a_buffer,long a_buffer_size)
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{
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a_output->m_pos = a_buffer;
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a_output->m_limit = a_buffer_size;
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a_output->m_count = 0;
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a_output->m_encrypt = false;
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a_output->m_key = EEXEC_KEY;
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}
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void WRF_wbyte(WRF_output* a_output,unsigned char a_byte)
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{
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if (a_output->m_count < a_output->m_limit)
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{
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if (a_output->m_encrypt)
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{
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a_byte ^= (a_output->m_key >> 8);
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a_output->m_key = (unsigned short)((a_output->m_key + a_byte) * EEXEC_FACTOR + EEXEC_OFFSET);
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}
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*a_output->m_pos++ = a_byte;
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}
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a_output->m_count++;
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}
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void WRF_wtext(WRF_output* a_output,const unsigned char* a_string,long a_length)
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{
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while (a_length > 0)
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{
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WRF_wbyte(a_output,*a_string++);
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a_length--;
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}
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}
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void WRF_wstring(WRF_output* a_output,const char* a_string)
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{
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while (*a_string)
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WRF_wbyte(a_output,*a_string++);
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}
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void WRF_wfloat(WRF_output* a_output,double a_float)
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{
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char buffer[32];
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sprintf(buffer,"%f",a_float);
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WRF_wstring(a_output,buffer);
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}
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void WRF_wint(WRF_output* a_output,long a_int)
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{
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char buffer[32];
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sprintf(buffer,"%ld",a_int);
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WRF_wstring(a_output,buffer);
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}
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