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5172
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/*
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* Copyright 2000 Computing Research Labs, New Mexico State University
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* Copyright 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2009, 2010
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* Francesco Zappa Nardelli
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE COMPUTING RESEARCH LAB OR NEW MEXICO STATE UNIVERSITY BE LIABLE FOR ANY
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* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT
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* OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR
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* THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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/*************************************************************************/
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/* */
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/* This file is based on bdf.c,v 1.22 2000/03/16 20:08:50 */
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/* */
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/* taken from Mark Leisher's xmbdfed package */
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/* */
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/*************************************************************************/
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#include <ft2build.h>
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#include FT_FREETYPE_H
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#include FT_INTERNAL_DEBUG_H
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#include FT_INTERNAL_STREAM_H
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#include FT_INTERNAL_OBJECTS_H
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#include "bdf.h"
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#include "bdferror.h"
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/*************************************************************************/
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/* */
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/* The macro FT_COMPONENT is used in trace mode. It is an implicit */
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/* parameter of the FT_TRACE() and FT_ERROR() macros, used to print/log */
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/* messages during execution. */
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/* */
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#undef FT_COMPONENT
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#define FT_COMPONENT trace_bdflib
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/*************************************************************************/
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/* */
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/* Default BDF font options. */
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/* */
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/*************************************************************************/
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static const bdf_options_t _bdf_opts =
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{
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1, /* Correct metrics. */
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1, /* Preserve unencoded glyphs. */
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0, /* Preserve comments. */
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BDF_PROPORTIONAL /* Default spacing. */
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};
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/*************************************************************************/
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/* */
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/* Builtin BDF font properties. */
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/* */
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/*************************************************************************/
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/* List of most properties that might appear in a font. Doesn't include */
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/* the RAW_* and AXIS_* properties in X11R6 polymorphic fonts. */
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static const bdf_property_t _bdf_properties[] =
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{
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{ (char *)"ADD_STYLE_NAME", BDF_ATOM, 1, { 0 } },
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{ (char *)"AVERAGE_WIDTH", BDF_INTEGER, 1, { 0 } },
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{ (char *)"AVG_CAPITAL_WIDTH", BDF_INTEGER, 1, { 0 } },
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{ (char *)"AVG_LOWERCASE_WIDTH", BDF_INTEGER, 1, { 0 } },
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{ (char *)"CAP_HEIGHT", BDF_INTEGER, 1, { 0 } },
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{ (char *)"CHARSET_COLLECTIONS", BDF_ATOM, 1, { 0 } },
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{ (char *)"CHARSET_ENCODING", BDF_ATOM, 1, { 0 } },
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{ (char *)"CHARSET_REGISTRY", BDF_ATOM, 1, { 0 } },
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{ (char *)"COMMENT", BDF_ATOM, 1, { 0 } },
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{ (char *)"COPYRIGHT", BDF_ATOM, 1, { 0 } },
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{ (char *)"DEFAULT_CHAR", BDF_CARDINAL, 1, { 0 } },
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{ (char *)"DESTINATION", BDF_CARDINAL, 1, { 0 } },
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{ (char *)"DEVICE_FONT_NAME", BDF_ATOM, 1, { 0 } },
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{ (char *)"END_SPACE", BDF_INTEGER, 1, { 0 } },
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{ (char *)"FACE_NAME", BDF_ATOM, 1, { 0 } },
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{ (char *)"FAMILY_NAME", BDF_ATOM, 1, { 0 } },
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{ (char *)"FIGURE_WIDTH", BDF_INTEGER, 1, { 0 } },
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{ (char *)"FONT", BDF_ATOM, 1, { 0 } },
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{ (char *)"FONTNAME_REGISTRY", BDF_ATOM, 1, { 0 } },
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{ (char *)"FONT_ASCENT", BDF_INTEGER, 1, { 0 } },
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{ (char *)"FONT_DESCENT", BDF_INTEGER, 1, { 0 } },
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{ (char *)"FOUNDRY", BDF_ATOM, 1, { 0 } },
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{ (char *)"FULL_NAME", BDF_ATOM, 1, { 0 } },
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{ (char *)"ITALIC_ANGLE", BDF_INTEGER, 1, { 0 } },
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{ (char *)"MAX_SPACE", BDF_INTEGER, 1, { 0 } },
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{ (char *)"MIN_SPACE", BDF_INTEGER, 1, { 0 } },
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{ (char *)"NORM_SPACE", BDF_INTEGER, 1, { 0 } },
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{ (char *)"NOTICE", BDF_ATOM, 1, { 0 } },
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{ (char *)"PIXEL_SIZE", BDF_INTEGER, 1, { 0 } },
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{ (char *)"POINT_SIZE", BDF_INTEGER, 1, { 0 } },
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{ (char *)"QUAD_WIDTH", BDF_INTEGER, 1, { 0 } },
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{ (char *)"RAW_ASCENT", BDF_INTEGER, 1, { 0 } },
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{ (char *)"RAW_AVERAGE_WIDTH", BDF_INTEGER, 1, { 0 } },
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{ (char *)"RAW_AVG_CAPITAL_WIDTH", BDF_INTEGER, 1, { 0 } },
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{ (char *)"RAW_AVG_LOWERCASE_WIDTH", BDF_INTEGER, 1, { 0 } },
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{ (char *)"RAW_CAP_HEIGHT", BDF_INTEGER, 1, { 0 } },
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{ (char *)"RAW_DESCENT", BDF_INTEGER, 1, { 0 } },
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{ (char *)"RAW_END_SPACE", BDF_INTEGER, 1, { 0 } },
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{ (char *)"RAW_FIGURE_WIDTH", BDF_INTEGER, 1, { 0 } },
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{ (char *)"RAW_MAX_SPACE", BDF_INTEGER, 1, { 0 } },
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{ (char *)"RAW_MIN_SPACE", BDF_INTEGER, 1, { 0 } },
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{ (char *)"RAW_NORM_SPACE", BDF_INTEGER, 1, { 0 } },
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{ (char *)"RAW_PIXEL_SIZE", BDF_INTEGER, 1, { 0 } },
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{ (char *)"RAW_POINT_SIZE", BDF_INTEGER, 1, { 0 } },
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{ (char *)"RAW_PIXELSIZE", BDF_INTEGER, 1, { 0 } },
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{ (char *)"RAW_POINTSIZE", BDF_INTEGER, 1, { 0 } },
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{ (char *)"RAW_QUAD_WIDTH", BDF_INTEGER, 1, { 0 } },
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{ (char *)"RAW_SMALL_CAP_SIZE", BDF_INTEGER, 1, { 0 } },
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{ (char *)"RAW_STRIKEOUT_ASCENT", BDF_INTEGER, 1, { 0 } },
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{ (char *)"RAW_STRIKEOUT_DESCENT", BDF_INTEGER, 1, { 0 } },
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{ (char *)"RAW_SUBSCRIPT_SIZE", BDF_INTEGER, 1, { 0 } },
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{ (char *)"RAW_SUBSCRIPT_X", BDF_INTEGER, 1, { 0 } },
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{ (char *)"RAW_SUBSCRIPT_Y", BDF_INTEGER, 1, { 0 } },
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{ (char *)"RAW_SUPERSCRIPT_SIZE", BDF_INTEGER, 1, { 0 } },
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{ (char *)"RAW_SUPERSCRIPT_X", BDF_INTEGER, 1, { 0 } },
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{ (char *)"RAW_SUPERSCRIPT_Y", BDF_INTEGER, 1, { 0 } },
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{ (char *)"RAW_UNDERLINE_POSITION", BDF_INTEGER, 1, { 0 } },
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{ (char *)"RAW_UNDERLINE_THICKNESS", BDF_INTEGER, 1, { 0 } },
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{ (char *)"RAW_X_HEIGHT", BDF_INTEGER, 1, { 0 } },
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{ (char *)"RELATIVE_SETWIDTH", BDF_CARDINAL, 1, { 0 } },
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{ (char *)"RELATIVE_WEIGHT", BDF_CARDINAL, 1, { 0 } },
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{ (char *)"RESOLUTION", BDF_INTEGER, 1, { 0 } },
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{ (char *)"RESOLUTION_X", BDF_CARDINAL, 1, { 0 } },
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{ (char *)"RESOLUTION_Y", BDF_CARDINAL, 1, { 0 } },
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{ (char *)"SETWIDTH_NAME", BDF_ATOM, 1, { 0 } },
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{ (char *)"SLANT", BDF_ATOM, 1, { 0 } },
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{ (char *)"SMALL_CAP_SIZE", BDF_INTEGER, 1, { 0 } },
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{ (char *)"SPACING", BDF_ATOM, 1, { 0 } },
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{ (char *)"STRIKEOUT_ASCENT", BDF_INTEGER, 1, { 0 } },
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{ (char *)"STRIKEOUT_DESCENT", BDF_INTEGER, 1, { 0 } },
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{ (char *)"SUBSCRIPT_SIZE", BDF_INTEGER, 1, { 0 } },
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{ (char *)"SUBSCRIPT_X", BDF_INTEGER, 1, { 0 } },
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{ (char *)"SUBSCRIPT_Y", BDF_INTEGER, 1, { 0 } },
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{ (char *)"SUPERSCRIPT_SIZE", BDF_INTEGER, 1, { 0 } },
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{ (char *)"SUPERSCRIPT_X", BDF_INTEGER, 1, { 0 } },
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{ (char *)"SUPERSCRIPT_Y", BDF_INTEGER, 1, { 0 } },
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{ (char *)"UNDERLINE_POSITION", BDF_INTEGER, 1, { 0 } },
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{ (char *)"UNDERLINE_THICKNESS", BDF_INTEGER, 1, { 0 } },
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{ (char *)"WEIGHT", BDF_CARDINAL, 1, { 0 } },
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{ (char *)"WEIGHT_NAME", BDF_ATOM, 1, { 0 } },
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{ (char *)"X_HEIGHT", BDF_INTEGER, 1, { 0 } },
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{ (char *)"_MULE_BASELINE_OFFSET", BDF_INTEGER, 1, { 0 } },
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{ (char *)"_MULE_RELATIVE_COMPOSE", BDF_INTEGER, 1, { 0 } },
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};
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166 |
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static const unsigned long
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168 |
_num_bdf_properties = sizeof ( _bdf_properties ) /
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sizeof ( _bdf_properties[0] );
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170 |
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171 |
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172 |
/*************************************************************************/
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173 |
/* */
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174 |
/* Hash table utilities for the properties. */
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175 |
/* */
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176 |
/*************************************************************************/
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177 |
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178 |
/* XXX: Replace this with FreeType's hash functions */
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179 |
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180 |
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181 |
#define INITIAL_HT_SIZE 241
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182 |
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183 |
typedef void
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184 |
(*hash_free_func)( hashnode node );
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185 |
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186 |
static hashnode*
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187 |
hash_bucket( const char* key,
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188 |
hashtable* ht )
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189 |
{
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190 |
const char* kp = key;
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191 |
unsigned long res = 0;
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192 |
hashnode* bp = ht->table, *ndp;
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193 |
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194 |
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195 |
/* Mocklisp hash function. */
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196 |
while ( *kp )
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197 |
res = ( res << 5 ) - res + *kp++;
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198 |
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199 |
ndp = bp + ( res % ht->size );
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200 |
while ( *ndp )
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201 |
{
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202 |
kp = (*ndp)->key;
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203 |
if ( kp[0] == key[0] && ft_strcmp( kp, key ) == 0 )
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204 |
break;
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205 |
ndp--;
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206 |
if ( ndp < bp )
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207 |
ndp = bp + ( ht->size - 1 );
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208 |
}
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209 |
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210 |
return ndp;
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211 |
}
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212 |
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213 |
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214 |
static FT_Error
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215 |
hash_rehash( hashtable* ht,
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216 |
FT_Memory memory )
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217 |
{
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218 |
hashnode* obp = ht->table, *bp, *nbp;
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219 |
int i, sz = ht->size;
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220 |
FT_Error error = BDF_Err_Ok;
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221 |
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222 |
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223 |
ht->size <<= 1;
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224 |
ht->limit = ht->size / 3;
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225 |
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226 |
if ( FT_NEW_ARRAY( ht->table, ht->size ) )
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227 |
goto Exit;
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228 |
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229 |
for ( i = 0, bp = obp; i < sz; i++, bp++ )
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230 |
{
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231 |
if ( *bp )
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232 |
{
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233 |
nbp = hash_bucket( (*bp)->key, ht );
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234 |
*nbp = *bp;
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235 |
}
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236 |
}
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237 |
FT_FREE( obp );
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238 |
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239 |
Exit:
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240 |
return error;
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241 |
}
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242 |
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243 |
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244 |
static FT_Error
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245 |
hash_init( hashtable* ht,
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246 |
FT_Memory memory )
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247 |
{
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248 |
int sz = INITIAL_HT_SIZE;
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249 |
FT_Error error = BDF_Err_Ok;
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250 |
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251 |
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252 |
ht->size = sz;
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253 |
ht->limit = sz / 3;
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254 |
ht->used = 0;
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255 |
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256 |
if ( FT_NEW_ARRAY( ht->table, sz ) )
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257 |
goto Exit;
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258 |
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259 |
Exit:
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260 |
return error;
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261 |
}
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262 |
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263 |
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264 |
static void
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265 |
hash_free( hashtable* ht,
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266 |
FT_Memory memory )
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267 |
{
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268 |
if ( ht != 0 )
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269 |
{
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270 |
int i, sz = ht->size;
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271 |
hashnode* bp = ht->table;
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272 |
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273 |
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274 |
for ( i = 0; i < sz; i++, bp++ )
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275 |
FT_FREE( *bp );
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276 |
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277 |
FT_FREE( ht->table );
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278 |
}
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279 |
}
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|
280 |
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|
281 |
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|
282 |
static FT_Error
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|
283 |
hash_insert( char* key,
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|
284 |
size_t data,
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|
285 |
hashtable* ht,
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|
286 |
FT_Memory memory )
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|
287 |
{
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|
288 |
hashnode nn, *bp = hash_bucket( key, ht );
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|
289 |
FT_Error error = BDF_Err_Ok;
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290 |
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291 |
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292 |
nn = *bp;
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293 |
if ( !nn )
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294 |
{
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295 |
if ( FT_NEW( nn ) )
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296 |
goto Exit;
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297 |
*bp = nn;
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298 |
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299 |
nn->key = key;
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300 |
nn->data = data;
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301 |
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302 |
if ( ht->used >= ht->limit )
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303 |
{
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304 |
error = hash_rehash( ht, memory );
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305 |
if ( error )
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306 |
goto Exit;
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307 |
}
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|
308 |
ht->used++;
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309 |
}
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310 |
else
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|
311 |
nn->data = data;
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312 |
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|
313 |
Exit:
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|
314 |
return error;
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|
315 |
}
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|
316 |
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|
317 |
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|
318 |
static hashnode
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|
319 |
hash_lookup( const char* key,
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|
320 |
hashtable* ht )
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|
321 |
{
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|
322 |
hashnode *np = hash_bucket( key, ht );
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|
323 |
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|
324 |
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|
325 |
return *np;
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|
326 |
}
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|
327 |
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|
328 |
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|
329 |
/*************************************************************************/
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|
330 |
/* */
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|
331 |
/* Utility types and functions. */
|
|
|
332 |
/* */
|
|
|
333 |
/*************************************************************************/
|
|
|
334 |
|
|
|
335 |
|
|
|
336 |
/* Function type for parsing lines of a BDF font. */
|
|
|
337 |
|
|
|
338 |
typedef FT_Error
|
|
|
339 |
(*_bdf_line_func_t)( char* line,
|
|
|
340 |
unsigned long linelen,
|
|
|
341 |
unsigned long lineno,
|
|
|
342 |
void* call_data,
|
|
|
343 |
void* client_data );
|
|
|
344 |
|
|
|
345 |
|
|
|
346 |
/* List structure for splitting lines into fields. */
|
|
|
347 |
|
|
|
348 |
typedef struct _bdf_list_t_
|
|
|
349 |
{
|
|
|
350 |
char** field;
|
|
|
351 |
unsigned long size;
|
|
|
352 |
unsigned long used;
|
|
|
353 |
FT_Memory memory;
|
|
|
354 |
|
|
|
355 |
} _bdf_list_t;
|
|
|
356 |
|
|
|
357 |
|
|
|
358 |
/* Structure used while loading BDF fonts. */
|
|
|
359 |
|
|
|
360 |
typedef struct _bdf_parse_t_
|
|
|
361 |
{
|
|
|
362 |
unsigned long flags;
|
|
|
363 |
unsigned long cnt;
|
|
|
364 |
unsigned long row;
|
|
|
365 |
|
|
|
366 |
short minlb;
|
|
|
367 |
short maxlb;
|
|
|
368 |
short maxrb;
|
|
|
369 |
short maxas;
|
|
|
370 |
short maxds;
|
|
|
371 |
|
|
|
372 |
short rbearing;
|
|
|
373 |
|
|
|
374 |
char* glyph_name;
|
|
|
375 |
long glyph_enc;
|
|
|
376 |
|
|
|
377 |
bdf_font_t* font;
|
|
|
378 |
bdf_options_t* opts;
|
|
|
379 |
|
|
|
380 |
unsigned long have[2048];
|
|
|
381 |
_bdf_list_t list;
|
|
|
382 |
|
|
|
383 |
FT_Memory memory;
|
|
|
384 |
|
|
|
385 |
} _bdf_parse_t;
|
|
|
386 |
|
|
|
387 |
|
|
|
388 |
#define setsbit( m, cc ) \
|
|
|
389 |
( m[(FT_Byte)(cc) >> 3] |= (FT_Byte)( 1 << ( (cc) & 7 ) ) )
|
|
|
390 |
#define sbitset( m, cc ) \
|
|
|
391 |
( m[(FT_Byte)(cc) >> 3] & ( 1 << ( (cc) & 7 ) ) )
|
|
|
392 |
|
|
|
393 |
|
|
|
394 |
static void
|
|
|
395 |
_bdf_list_init( _bdf_list_t* list,
|
|
|
396 |
FT_Memory memory )
|
|
|
397 |
{
|
|
|
398 |
FT_ZERO( list );
|
|
|
399 |
list->memory = memory;
|
|
|
400 |
}
|
|
|
401 |
|
|
|
402 |
|
|
|
403 |
static void
|
|
|
404 |
_bdf_list_done( _bdf_list_t* list )
|
|
|
405 |
{
|
|
|
406 |
FT_Memory memory = list->memory;
|
|
|
407 |
|
|
|
408 |
|
|
|
409 |
if ( memory )
|
|
|
410 |
{
|
|
|
411 |
FT_FREE( list->field );
|
|
|
412 |
FT_ZERO( list );
|
|
|
413 |
}
|
|
|
414 |
}
|
|
|
415 |
|
|
|
416 |
|
|
|
417 |
static FT_Error
|
|
|
418 |
_bdf_list_ensure( _bdf_list_t* list,
|
|
|
419 |
unsigned long num_items ) /* same as _bdf_list_t.used */
|
|
|
420 |
{
|
|
|
421 |
FT_Error error = BDF_Err_Ok;
|
|
|
422 |
|
|
|
423 |
|
|
|
424 |
if ( num_items > list->size )
|
|
|
425 |
{
|
|
|
426 |
unsigned long oldsize = list->size; /* same as _bdf_list_t.size */
|
|
|
427 |
unsigned long newsize = oldsize + ( oldsize >> 1 ) + 4;
|
|
|
428 |
unsigned long bigsize = (unsigned long)( FT_INT_MAX / sizeof ( char* ) );
|
|
|
429 |
FT_Memory memory = list->memory;
|
|
|
430 |
|
|
|
431 |
|
|
|
432 |
if ( oldsize == bigsize )
|
|
|
433 |
{
|
|
|
434 |
error = BDF_Err_Out_Of_Memory;
|
|
|
435 |
goto Exit;
|
|
|
436 |
}
|
|
|
437 |
else if ( newsize < oldsize || newsize > bigsize )
|
|
|
438 |
newsize = bigsize;
|
|
|
439 |
|
|
|
440 |
if ( FT_RENEW_ARRAY( list->field, oldsize, newsize ) )
|
|
|
441 |
goto Exit;
|
|
|
442 |
|
|
|
443 |
list->size = newsize;
|
|
|
444 |
}
|
|
|
445 |
|
|
|
446 |
Exit:
|
|
|
447 |
return error;
|
|
|
448 |
}
|
|
|
449 |
|
|
|
450 |
|
|
|
451 |
static void
|
|
|
452 |
_bdf_list_shift( _bdf_list_t* list,
|
|
|
453 |
unsigned long n )
|
|
|
454 |
{
|
|
|
455 |
unsigned long i, u;
|
|
|
456 |
|
|
|
457 |
|
|
|
458 |
if ( list == 0 || list->used == 0 || n == 0 )
|
|
|
459 |
return;
|
|
|
460 |
|
|
|
461 |
if ( n >= list->used )
|
|
|
462 |
{
|
|
|
463 |
list->used = 0;
|
|
|
464 |
return;
|
|
|
465 |
}
|
|
|
466 |
|
|
|
467 |
for ( u = n, i = 0; u < list->used; i++, u++ )
|
|
|
468 |
list->field[i] = list->field[u];
|
|
|
469 |
list->used -= n;
|
|
|
470 |
}
|
|
|
471 |
|
|
|
472 |
|
|
|
473 |
/* An empty string for empty fields. */
|
|
|
474 |
|
|
|
475 |
static const char empty[1] = { 0 }; /* XXX eliminate this */
|
|
|
476 |
|
|
|
477 |
|
|
|
478 |
static char *
|
|
|
479 |
_bdf_list_join( _bdf_list_t* list,
|
|
|
480 |
int c,
|
|
|
481 |
unsigned long *alen )
|
|
|
482 |
{
|
|
|
483 |
unsigned long i, j;
|
|
|
484 |
char *fp, *dp;
|
|
|
485 |
|
|
|
486 |
|
|
|
487 |
*alen = 0;
|
|
|
488 |
|
|
|
489 |
if ( list == 0 || list->used == 0 )
|
|
|
490 |
return 0;
|
|
|
491 |
|
|
|
492 |
dp = list->field[0];
|
|
|
493 |
for ( i = j = 0; i < list->used; i++ )
|
|
|
494 |
{
|
|
|
495 |
fp = list->field[i];
|
|
|
496 |
while ( *fp )
|
|
|
497 |
dp[j++] = *fp++;
|
|
|
498 |
|
|
|
499 |
if ( i + 1 < list->used )
|
|
|
500 |
dp[j++] = (char)c;
|
|
|
501 |
}
|
|
|
502 |
if ( dp != empty )
|
|
|
503 |
dp[j] = 0;
|
|
|
504 |
|
|
|
505 |
*alen = j;
|
|
|
506 |
return dp;
|
|
|
507 |
}
|
|
|
508 |
|
|
|
509 |
|
|
|
510 |
static FT_Error
|
|
|
511 |
_bdf_list_split( _bdf_list_t* list,
|
|
|
512 |
char* separators,
|
|
|
513 |
char* line,
|
|
|
514 |
unsigned long linelen )
|
|
|
515 |
{
|
|
|
516 |
int mult, final_empty;
|
|
|
517 |
char *sp, *ep, *end;
|
|
|
518 |
char seps[32];
|
|
|
519 |
FT_Error error = BDF_Err_Ok;
|
|
|
520 |
|
|
|
521 |
|
|
|
522 |
/* Initialize the list. */
|
|
|
523 |
list->used = 0;
|
|
|
524 |
|
|
|
525 |
/* If the line is empty, then simply return. */
|
|
|
526 |
if ( linelen == 0 || line[0] == 0 )
|
|
|
527 |
goto Exit;
|
|
|
528 |
|
|
|
529 |
/* In the original code, if the `separators' parameter is NULL or */
|
|
|
530 |
/* empty, the list is split into individual bytes. We don't need */
|
|
|
531 |
/* this, so an error is signaled. */
|
|
|
532 |
if ( separators == 0 || *separators == 0 )
|
|
|
533 |
{
|
|
|
534 |
error = BDF_Err_Invalid_Argument;
|
|
|
535 |
goto Exit;
|
|
|
536 |
}
|
|
|
537 |
|
|
|
538 |
/* Prepare the separator bitmap. */
|
|
|
539 |
FT_MEM_ZERO( seps, 32 );
|
|
|
540 |
|
|
|
541 |
/* If the very last character of the separator string is a plus, then */
|
|
|
542 |
/* set the `mult' flag to indicate that multiple separators should be */
|
|
|
543 |
/* collapsed into one. */
|
|
|
544 |
for ( mult = 0, sp = separators; sp && *sp; sp++ )
|
|
|
545 |
{
|
|
|
546 |
if ( *sp == '+' && *( sp + 1 ) == 0 )
|
|
|
547 |
mult = 1;
|
|
|
548 |
else
|
|
|
549 |
setsbit( seps, *sp );
|
|
|
550 |
}
|
|
|
551 |
|
|
|
552 |
/* Break the line up into fields. */
|
|
|
553 |
for ( final_empty = 0, sp = ep = line, end = sp + linelen;
|
|
|
554 |
sp < end && *sp; )
|
|
|
555 |
{
|
|
|
556 |
/* Collect everything that is not a separator. */
|
|
|
557 |
for ( ; *ep && !sbitset( seps, *ep ); ep++ )
|
|
|
558 |
;
|
|
|
559 |
|
|
|
560 |
/* Resize the list if necessary. */
|
|
|
561 |
if ( list->used == list->size )
|
|
|
562 |
{
|
|
|
563 |
error = _bdf_list_ensure( list, list->used + 1 );
|
|
|
564 |
if ( error )
|
|
|
565 |
goto Exit;
|
|
|
566 |
}
|
|
|
567 |
|
|
|
568 |
/* Assign the field appropriately. */
|
|
|
569 |
list->field[list->used++] = ( ep > sp ) ? sp : (char*)empty;
|
|
|
570 |
|
|
|
571 |
sp = ep;
|
|
|
572 |
|
|
|
573 |
if ( mult )
|
|
|
574 |
{
|
|
|
575 |
/* If multiple separators should be collapsed, do it now by */
|
|
|
576 |
/* setting all the separator characters to 0. */
|
|
|
577 |
for ( ; *ep && sbitset( seps, *ep ); ep++ )
|
|
|
578 |
*ep = 0;
|
|
|
579 |
}
|
|
|
580 |
else if ( *ep != 0 )
|
|
|
581 |
/* Don't collapse multiple separators by making them 0, so just */
|
|
|
582 |
/* make the one encountered 0. */
|
|
|
583 |
*ep++ = 0;
|
|
|
584 |
|
|
|
585 |
final_empty = ( ep > sp && *ep == 0 );
|
|
|
586 |
sp = ep;
|
|
|
587 |
}
|
|
|
588 |
|
|
|
589 |
/* Finally, NULL-terminate the list. */
|
|
|
590 |
if ( list->used + final_empty >= list->size )
|
|
|
591 |
{
|
|
|
592 |
error = _bdf_list_ensure( list, list->used + final_empty + 1 );
|
|
|
593 |
if ( error )
|
|
|
594 |
goto Exit;
|
|
|
595 |
}
|
|
|
596 |
|
|
|
597 |
if ( final_empty )
|
|
|
598 |
list->field[list->used++] = (char*)empty;
|
|
|
599 |
|
|
|
600 |
list->field[list->used] = 0;
|
|
|
601 |
|
|
|
602 |
Exit:
|
|
|
603 |
return error;
|
|
|
604 |
}
|
|
|
605 |
|
|
|
606 |
|
|
|
607 |
#define NO_SKIP 256 /* this value cannot be stored in a 'char' */
|
|
|
608 |
|
|
|
609 |
|
|
|
610 |
static FT_Error
|
|
|
611 |
_bdf_readstream( FT_Stream stream,
|
|
|
612 |
_bdf_line_func_t callback,
|
|
|
613 |
void* client_data,
|
|
|
614 |
unsigned long *lno )
|
|
|
615 |
{
|
|
|
616 |
_bdf_line_func_t cb;
|
|
|
617 |
unsigned long lineno, buf_size;
|
|
|
618 |
int refill, hold, to_skip;
|
|
|
619 |
ptrdiff_t bytes, start, end, cursor, avail;
|
|
|
620 |
char* buf = 0;
|
|
|
621 |
FT_Memory memory = stream->memory;
|
|
|
622 |
FT_Error error = BDF_Err_Ok;
|
|
|
623 |
|
|
|
624 |
|
|
|
625 |
if ( callback == 0 )
|
|
|
626 |
{
|
|
|
627 |
error = BDF_Err_Invalid_Argument;
|
|
|
628 |
goto Exit;
|
|
|
629 |
}
|
|
|
630 |
|
|
|
631 |
/* initial size and allocation of the input buffer */
|
|
|
632 |
buf_size = 1024;
|
|
|
633 |
|
|
|
634 |
if ( FT_NEW_ARRAY( buf, buf_size ) )
|
|
|
635 |
goto Exit;
|
|
|
636 |
|
|
|
637 |
cb = callback;
|
|
|
638 |
lineno = 1;
|
|
|
639 |
buf[0] = 0;
|
|
|
640 |
start = 0;
|
|
|
641 |
end = 0;
|
|
|
642 |
avail = 0;
|
|
|
643 |
cursor = 0;
|
|
|
644 |
refill = 1;
|
|
|
645 |
to_skip = NO_SKIP;
|
|
|
646 |
bytes = 0; /* make compiler happy */
|
|
|
647 |
|
|
|
648 |
for (;;)
|
|
|
649 |
{
|
|
|
650 |
if ( refill )
|
|
|
651 |
{
|
|
|
652 |
bytes = (ptrdiff_t)FT_Stream_TryRead(
|
|
|
653 |
stream, (FT_Byte*)buf + cursor,
|
|
|
654 |
(FT_ULong)( buf_size - cursor ) );
|
|
|
655 |
avail = cursor + bytes;
|
|
|
656 |
cursor = 0;
|
|
|
657 |
refill = 0;
|
|
|
658 |
}
|
|
|
659 |
|
|
|
660 |
end = start;
|
|
|
661 |
|
|
|
662 |
/* should we skip an optional character like \n or \r? */
|
|
|
663 |
if ( start < avail && buf[start] == to_skip )
|
|
|
664 |
{
|
|
|
665 |
start += 1;
|
|
|
666 |
to_skip = NO_SKIP;
|
|
|
667 |
continue;
|
|
|
668 |
}
|
|
|
669 |
|
|
|
670 |
/* try to find the end of the line */
|
|
|
671 |
while ( end < avail && buf[end] != '\n' && buf[end] != '\r' )
|
|
|
672 |
end++;
|
|
|
673 |
|
|
|
674 |
/* if we hit the end of the buffer, try shifting its content */
|
|
|
675 |
/* or even resizing it */
|
|
|
676 |
if ( end >= avail )
|
|
|
677 |
{
|
|
|
678 |
if ( bytes == 0 ) /* last line in file doesn't end in \r or \n */
|
|
|
679 |
break; /* ignore it then exit */
|
|
|
680 |
|
|
|
681 |
if ( start == 0 )
|
|
|
682 |
{
|
|
|
683 |
/* this line is definitely too long; try resizing the input */
|
|
|
684 |
/* buffer a bit to handle it. */
|
|
|
685 |
FT_ULong new_size;
|
|
|
686 |
|
|
|
687 |
|
|
|
688 |
if ( buf_size >= 65536UL ) /* limit ourselves to 64KByte */
|
|
|
689 |
{
|
|
|
690 |
error = BDF_Err_Invalid_Argument;
|
|
|
691 |
goto Exit;
|
|
|
692 |
}
|
|
|
693 |
|
|
|
694 |
new_size = buf_size * 2;
|
|
|
695 |
if ( FT_RENEW_ARRAY( buf, buf_size, new_size ) )
|
|
|
696 |
goto Exit;
|
|
|
697 |
|
|
|
698 |
cursor = buf_size;
|
|
|
699 |
buf_size = new_size;
|
|
|
700 |
}
|
|
|
701 |
else
|
|
|
702 |
{
|
|
|
703 |
bytes = avail - start;
|
|
|
704 |
|
|
|
705 |
FT_MEM_COPY( buf, buf + start, bytes );
|
|
|
706 |
|
|
|
707 |
cursor = bytes;
|
|
|
708 |
avail -= bytes;
|
|
|
709 |
start = 0;
|
|
|
710 |
}
|
|
|
711 |
refill = 1;
|
|
|
712 |
continue;
|
|
|
713 |
}
|
|
|
714 |
|
|
|
715 |
/* Temporarily NUL-terminate the line. */
|
|
|
716 |
hold = buf[end];
|
|
|
717 |
buf[end] = 0;
|
|
|
718 |
|
|
|
719 |
/* XXX: Use encoding independent value for 0x1a */
|
|
|
720 |
if ( buf[start] != '#' && buf[start] != 0x1a && end > start )
|
|
|
721 |
{
|
|
|
722 |
error = (*cb)( buf + start, end - start, lineno,
|
|
|
723 |
(void*)&cb, client_data );
|
|
|
724 |
/* Redo if we have encountered CHARS without properties. */
|
|
|
725 |
if ( error == -1 )
|
|
|
726 |
error = (*cb)( buf + start, end - start, lineno,
|
|
|
727 |
(void*)&cb, client_data );
|
|
|
728 |
if ( error )
|
|
|
729 |
break;
|
|
|
730 |
}
|
|
|
731 |
|
|
|
732 |
lineno += 1;
|
|
|
733 |
buf[end] = (char)hold;
|
|
|
734 |
start = end + 1;
|
|
|
735 |
|
|
|
736 |
if ( hold == '\n' )
|
|
|
737 |
to_skip = '\r';
|
|
|
738 |
else if ( hold == '\r' )
|
|
|
739 |
to_skip = '\n';
|
|
|
740 |
else
|
|
|
741 |
to_skip = NO_SKIP;
|
|
|
742 |
}
|
|
|
743 |
|
|
|
744 |
*lno = lineno;
|
|
|
745 |
|
|
|
746 |
Exit:
|
|
|
747 |
FT_FREE( buf );
|
|
|
748 |
return error;
|
|
|
749 |
}
|
|
|
750 |
|
|
|
751 |
|
|
|
752 |
/* XXX: make this work with EBCDIC also */
|
|
|
753 |
|
|
|
754 |
static const unsigned char a2i[128] =
|
|
|
755 |
{
|
|
|
756 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
|
757 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
|
758 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
|
759 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
|
760 |
0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x00, 0x00,
|
|
|
761 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x00,
|
|
|
762 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
|
763 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
|
764 |
0x00, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
|
765 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
|
766 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
|
|
|
767 |
};
|
|
|
768 |
|
|
|
769 |
static const unsigned char odigits[32] =
|
|
|
770 |
{
|
|
|
771 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0x00,
|
|
|
772 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
|
773 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
|
774 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
|
775 |
};
|
|
|
776 |
|
|
|
777 |
static const unsigned char ddigits[32] =
|
|
|
778 |
{
|
|
|
779 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0x03,
|
|
|
780 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
|
781 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
|
782 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
|
783 |
};
|
|
|
784 |
|
|
|
785 |
static const unsigned char hdigits[32] =
|
|
|
786 |
{
|
|
|
787 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xff, 0x03,
|
|
|
788 |
0x7e, 0x00, 0x00, 0x00, 0x7e, 0x00, 0x00, 0x00,
|
|
|
789 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
|
790 |
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
|
|
|
791 |
};
|
|
|
792 |
|
|
|
793 |
|
|
|
794 |
#define isdigok( m, d ) (m[(d) >> 3] & ( 1 << ( (d) & 7 ) ) )
|
|
|
795 |
|
|
|
796 |
|
|
|
797 |
/* Routine to convert an ASCII string into an unsigned long integer. */
|
|
|
798 |
static unsigned long
|
|
|
799 |
_bdf_atoul( char* s,
|
|
|
800 |
char** end,
|
|
|
801 |
int base )
|
|
|
802 |
{
|
|
|
803 |
unsigned long v;
|
|
|
804 |
const unsigned char* dmap;
|
|
|
805 |
|
|
|
806 |
|
|
|
807 |
if ( s == 0 || *s == 0 )
|
|
|
808 |
return 0;
|
|
|
809 |
|
|
|
810 |
/* Make sure the radix is something recognizable. Default to 10. */
|
|
|
811 |
switch ( base )
|
|
|
812 |
{
|
|
|
813 |
case 8:
|
|
|
814 |
dmap = odigits;
|
|
|
815 |
break;
|
|
|
816 |
case 16:
|
|
|
817 |
dmap = hdigits;
|
|
|
818 |
break;
|
|
|
819 |
default:
|
|
|
820 |
base = 10;
|
|
|
821 |
dmap = ddigits;
|
|
|
822 |
break;
|
|
|
823 |
}
|
|
|
824 |
|
|
|
825 |
/* Check for the special hex prefix. */
|
|
|
826 |
if ( *s == '0' &&
|
|
|
827 |
( *( s + 1 ) == 'x' || *( s + 1 ) == 'X' ) )
|
|
|
828 |
{
|
|
|
829 |
base = 16;
|
|
|
830 |
dmap = hdigits;
|
|
|
831 |
s += 2;
|
|
|
832 |
}
|
|
|
833 |
|
|
|
834 |
for ( v = 0; isdigok( dmap, *s ); s++ )
|
|
|
835 |
v = v * base + a2i[(int)*s];
|
|
|
836 |
|
|
|
837 |
if ( end != 0 )
|
|
|
838 |
*end = s;
|
|
|
839 |
|
|
|
840 |
return v;
|
|
|
841 |
}
|
|
|
842 |
|
|
|
843 |
|
|
|
844 |
/* Routine to convert an ASCII string into an signed long integer. */
|
|
|
845 |
static long
|
|
|
846 |
_bdf_atol( char* s,
|
|
|
847 |
char** end,
|
|
|
848 |
int base )
|
|
|
849 |
{
|
|
|
850 |
long v, neg;
|
|
|
851 |
const unsigned char* dmap;
|
|
|
852 |
|
|
|
853 |
|
|
|
854 |
if ( s == 0 || *s == 0 )
|
|
|
855 |
return 0;
|
|
|
856 |
|
|
|
857 |
/* Make sure the radix is something recognizable. Default to 10. */
|
|
|
858 |
switch ( base )
|
|
|
859 |
{
|
|
|
860 |
case 8:
|
|
|
861 |
dmap = odigits;
|
|
|
862 |
break;
|
|
|
863 |
case 16:
|
|
|
864 |
dmap = hdigits;
|
|
|
865 |
break;
|
|
|
866 |
default:
|
|
|
867 |
base = 10;
|
|
|
868 |
dmap = ddigits;
|
|
|
869 |
break;
|
|
|
870 |
}
|
|
|
871 |
|
|
|
872 |
/* Check for a minus sign. */
|
|
|
873 |
neg = 0;
|
|
|
874 |
if ( *s == '-' )
|
|
|
875 |
{
|
|
|
876 |
s++;
|
|
|
877 |
neg = 1;
|
|
|
878 |
}
|
|
|
879 |
|
|
|
880 |
/* Check for the special hex prefix. */
|
|
|
881 |
if ( *s == '0' &&
|
|
|
882 |
( *( s + 1 ) == 'x' || *( s + 1 ) == 'X' ) )
|
|
|
883 |
{
|
|
|
884 |
base = 16;
|
|
|
885 |
dmap = hdigits;
|
|
|
886 |
s += 2;
|
|
|
887 |
}
|
|
|
888 |
|
|
|
889 |
for ( v = 0; isdigok( dmap, *s ); s++ )
|
|
|
890 |
v = v * base + a2i[(int)*s];
|
|
|
891 |
|
|
|
892 |
if ( end != 0 )
|
|
|
893 |
*end = s;
|
|
|
894 |
|
|
|
895 |
return ( !neg ) ? v : -v;
|
|
|
896 |
}
|
|
|
897 |
|
|
|
898 |
|
|
|
899 |
/* Routine to convert an ASCII string into an signed short integer. */
|
|
|
900 |
static short
|
|
|
901 |
_bdf_atos( char* s,
|
|
|
902 |
char** end,
|
|
|
903 |
int base )
|
|
|
904 |
{
|
|
|
905 |
short v, neg;
|
|
|
906 |
const unsigned char* dmap;
|
|
|
907 |
|
|
|
908 |
|
|
|
909 |
if ( s == 0 || *s == 0 )
|
|
|
910 |
return 0;
|
|
|
911 |
|
|
|
912 |
/* Make sure the radix is something recognizable. Default to 10. */
|
|
|
913 |
switch ( base )
|
|
|
914 |
{
|
|
|
915 |
case 8:
|
|
|
916 |
dmap = odigits;
|
|
|
917 |
break;
|
|
|
918 |
case 16:
|
|
|
919 |
dmap = hdigits;
|
|
|
920 |
break;
|
|
|
921 |
default:
|
|
|
922 |
base = 10;
|
|
|
923 |
dmap = ddigits;
|
|
|
924 |
break;
|
|
|
925 |
}
|
|
|
926 |
|
|
|
927 |
/* Check for a minus. */
|
|
|
928 |
neg = 0;
|
|
|
929 |
if ( *s == '-' )
|
|
|
930 |
{
|
|
|
931 |
s++;
|
|
|
932 |
neg = 1;
|
|
|
933 |
}
|
|
|
934 |
|
|
|
935 |
/* Check for the special hex prefix. */
|
|
|
936 |
if ( *s == '0' &&
|
|
|
937 |
( *( s + 1 ) == 'x' || *( s + 1 ) == 'X' ) )
|
|
|
938 |
{
|
|
|
939 |
base = 16;
|
|
|
940 |
dmap = hdigits;
|
|
|
941 |
s += 2;
|
|
|
942 |
}
|
|
|
943 |
|
|
|
944 |
for ( v = 0; isdigok( dmap, *s ); s++ )
|
|
|
945 |
v = (short)( v * base + a2i[(int)*s] );
|
|
|
946 |
|
|
|
947 |
if ( end != 0 )
|
|
|
948 |
*end = s;
|
|
|
949 |
|
|
|
950 |
return (short)( ( !neg ) ? v : -v );
|
|
|
951 |
}
|
|
|
952 |
|
|
|
953 |
|
|
|
954 |
/* Routine to compare two glyphs by encoding so they can be sorted. */
|
|
|
955 |
static int
|
|
|
956 |
by_encoding( const void* a,
|
|
|
957 |
const void* b )
|
|
|
958 |
{
|
|
|
959 |
bdf_glyph_t *c1, *c2;
|
|
|
960 |
|
|
|
961 |
|
|
|
962 |
c1 = (bdf_glyph_t *)a;
|
|
|
963 |
c2 = (bdf_glyph_t *)b;
|
|
|
964 |
|
|
|
965 |
if ( c1->encoding < c2->encoding )
|
|
|
966 |
return -1;
|
|
|
967 |
|
|
|
968 |
if ( c1->encoding > c2->encoding )
|
|
|
969 |
return 1;
|
|
|
970 |
|
|
|
971 |
return 0;
|
|
|
972 |
}
|
|
|
973 |
|
|
|
974 |
|
|
|
975 |
static FT_Error
|
|
|
976 |
bdf_create_property( char* name,
|
|
|
977 |
int format,
|
|
|
978 |
bdf_font_t* font )
|
|
|
979 |
{
|
|
|
980 |
size_t n;
|
|
|
981 |
bdf_property_t* p;
|
|
|
982 |
FT_Memory memory = font->memory;
|
|
|
983 |
FT_Error error = BDF_Err_Ok;
|
|
|
984 |
|
|
|
985 |
|
|
|
986 |
/* First check to see if the property has */
|
|
|
987 |
/* already been added or not. If it has, then */
|
|
|
988 |
/* simply ignore it. */
|
|
|
989 |
if ( hash_lookup( name, &(font->proptbl) ) )
|
|
|
990 |
goto Exit;
|
|
|
991 |
|
|
|
992 |
if ( FT_RENEW_ARRAY( font->user_props,
|
|
|
993 |
font->nuser_props,
|
|
|
994 |
font->nuser_props + 1 ) )
|
|
|
995 |
goto Exit;
|
|
|
996 |
|
|
|
997 |
p = font->user_props + font->nuser_props;
|
|
|
998 |
FT_ZERO( p );
|
|
|
999 |
|
|
|
1000 |
n = ft_strlen( name ) + 1;
|
|
|
1001 |
if ( n > FT_ULONG_MAX )
|
|
|
1002 |
return BDF_Err_Invalid_Argument;
|
|
|
1003 |
|
|
|
1004 |
if ( FT_NEW_ARRAY( p->name, n ) )
|
|
|
1005 |
goto Exit;
|
|
|
1006 |
|
|
|
1007 |
FT_MEM_COPY( (char *)p->name, name, n );
|
|
|
1008 |
|
|
|
1009 |
p->format = format;
|
|
|
1010 |
p->builtin = 0;
|
|
|
1011 |
|
|
|
1012 |
n = _num_bdf_properties + font->nuser_props;
|
|
|
1013 |
|
|
|
1014 |
error = hash_insert( p->name, n, &(font->proptbl), memory );
|
|
|
1015 |
if ( error )
|
|
|
1016 |
goto Exit;
|
|
|
1017 |
|
|
|
1018 |
font->nuser_props++;
|
|
|
1019 |
|
|
|
1020 |
Exit:
|
|
|
1021 |
return error;
|
|
|
1022 |
}
|
|
|
1023 |
|
|
|
1024 |
|
|
|
1025 |
FT_LOCAL_DEF( bdf_property_t * )
|
|
|
1026 |
bdf_get_property( char* name,
|
|
|
1027 |
bdf_font_t* font )
|
|
|
1028 |
{
|
|
|
1029 |
hashnode hn;
|
|
|
1030 |
size_t propid;
|
|
|
1031 |
|
|
|
1032 |
|
|
|
1033 |
if ( name == 0 || *name == 0 )
|
|
|
1034 |
return 0;
|
|
|
1035 |
|
|
|
1036 |
if ( ( hn = hash_lookup( name, &(font->proptbl) ) ) == 0 )
|
|
|
1037 |
return 0;
|
|
|
1038 |
|
|
|
1039 |
propid = hn->data;
|
|
|
1040 |
if ( propid >= _num_bdf_properties )
|
|
|
1041 |
return font->user_props + ( propid - _num_bdf_properties );
|
|
|
1042 |
|
|
|
1043 |
return (bdf_property_t*)_bdf_properties + propid;
|
|
|
1044 |
}
|
|
|
1045 |
|
|
|
1046 |
|
|
|
1047 |
/*************************************************************************/
|
|
|
1048 |
/* */
|
|
|
1049 |
/* BDF font file parsing flags and functions. */
|
|
|
1050 |
/* */
|
|
|
1051 |
/*************************************************************************/
|
|
|
1052 |
|
|
|
1053 |
|
|
|
1054 |
/* Parse flags. */
|
|
|
1055 |
|
|
|
1056 |
#define _BDF_START 0x0001
|
|
|
1057 |
#define _BDF_FONT_NAME 0x0002
|
|
|
1058 |
#define _BDF_SIZE 0x0004
|
|
|
1059 |
#define _BDF_FONT_BBX 0x0008
|
|
|
1060 |
#define _BDF_PROPS 0x0010
|
|
|
1061 |
#define _BDF_GLYPHS 0x0020
|
|
|
1062 |
#define _BDF_GLYPH 0x0040
|
|
|
1063 |
#define _BDF_ENCODING 0x0080
|
|
|
1064 |
#define _BDF_SWIDTH 0x0100
|
|
|
1065 |
#define _BDF_DWIDTH 0x0200
|
|
|
1066 |
#define _BDF_BBX 0x0400
|
|
|
1067 |
#define _BDF_BITMAP 0x0800
|
|
|
1068 |
|
|
|
1069 |
#define _BDF_SWIDTH_ADJ 0x1000
|
|
|
1070 |
|
|
|
1071 |
#define _BDF_GLYPH_BITS ( _BDF_GLYPH | \
|
|
|
1072 |
_BDF_ENCODING | \
|
|
|
1073 |
_BDF_SWIDTH | \
|
|
|
1074 |
_BDF_DWIDTH | \
|
|
|
1075 |
_BDF_BBX | \
|
|
|
1076 |
_BDF_BITMAP )
|
|
|
1077 |
|
|
|
1078 |
#define _BDF_GLYPH_WIDTH_CHECK 0x40000000UL
|
|
|
1079 |
#define _BDF_GLYPH_HEIGHT_CHECK 0x80000000UL
|
|
|
1080 |
|
|
|
1081 |
|
|
|
1082 |
/* Auto correction messages. */
|
|
|
1083 |
#define ACMSG1 "FONT_ASCENT property missing. " \
|
|
|
1084 |
"Added \"FONT_ASCENT %hd\".\n"
|
|
|
1085 |
#define ACMSG2 "FONT_DESCENT property missing. " \
|
|
|
1086 |
"Added \"FONT_DESCENT %hd\".\n"
|
|
|
1087 |
#define ACMSG3 "Font width != actual width. Old: %hd New: %hd.\n"
|
|
|
1088 |
#define ACMSG4 "Font left bearing != actual left bearing. " \
|
|
|
1089 |
"Old: %hd New: %hd.\n"
|
|
|
1090 |
#define ACMSG5 "Font ascent != actual ascent. Old: %hd New: %hd.\n"
|
|
|
1091 |
#define ACMSG6 "Font descent != actual descent. Old: %hd New: %hd.\n"
|
|
|
1092 |
#define ACMSG7 "Font height != actual height. Old: %hd New: %hd.\n"
|
|
|
1093 |
#define ACMSG8 "Glyph scalable width (SWIDTH) adjustments made.\n"
|
|
|
1094 |
#define ACMSG9 "SWIDTH field missing at line %ld. Set automatically.\n"
|
|
|
1095 |
#define ACMSG10 "DWIDTH field missing at line %ld. Set to glyph width.\n"
|
|
|
1096 |
#define ACMSG11 "SIZE bits per pixel field adjusted to %hd.\n"
|
|
|
1097 |
#define ACMSG12 "Duplicate encoding %ld (%s) changed to unencoded.\n"
|
|
|
1098 |
#define ACMSG13 "Glyph %ld extra rows removed.\n"
|
|
|
1099 |
#define ACMSG14 "Glyph %ld extra columns removed.\n"
|
|
|
1100 |
#define ACMSG15 "Incorrect glyph count: %ld indicated but %ld found.\n"
|
|
|
1101 |
|
|
|
1102 |
/* Error messages. */
|
|
|
1103 |
#define ERRMSG1 "[line %ld] Missing \"%s\" line.\n"
|
|
|
1104 |
#define ERRMSG2 "[line %ld] Font header corrupted or missing fields.\n"
|
|
|
1105 |
#define ERRMSG3 "[line %ld] Font glyphs corrupted or missing fields.\n"
|
|
|
1106 |
#define ERRMSG4 "[line %ld] BBX too big.\n"
|
|
|
1107 |
|
|
|
1108 |
|
|
|
1109 |
static FT_Error
|
|
|
1110 |
_bdf_add_comment( bdf_font_t* font,
|
|
|
1111 |
char* comment,
|
|
|
1112 |
unsigned long len )
|
|
|
1113 |
{
|
|
|
1114 |
char* cp;
|
|
|
1115 |
FT_Memory memory = font->memory;
|
|
|
1116 |
FT_Error error = BDF_Err_Ok;
|
|
|
1117 |
|
|
|
1118 |
|
|
|
1119 |
if ( FT_RENEW_ARRAY( font->comments,
|
|
|
1120 |
font->comments_len,
|
|
|
1121 |
font->comments_len + len + 1 ) )
|
|
|
1122 |
goto Exit;
|
|
|
1123 |
|
|
|
1124 |
cp = font->comments + font->comments_len;
|
|
|
1125 |
|
|
|
1126 |
FT_MEM_COPY( cp, comment, len );
|
|
|
1127 |
cp[len] = '\n';
|
|
|
1128 |
|
|
|
1129 |
font->comments_len += len + 1;
|
|
|
1130 |
|
|
|
1131 |
Exit:
|
|
|
1132 |
return error;
|
|
|
1133 |
}
|
|
|
1134 |
|
|
|
1135 |
|
|
|
1136 |
/* Set the spacing from the font name if it exists, or set it to the */
|
|
|
1137 |
/* default specified in the options. */
|
|
|
1138 |
static FT_Error
|
|
|
1139 |
_bdf_set_default_spacing( bdf_font_t* font,
|
|
|
1140 |
bdf_options_t* opts )
|
|
|
1141 |
{
|
|
|
1142 |
size_t len;
|
|
|
1143 |
char name[256];
|
|
|
1144 |
_bdf_list_t list;
|
|
|
1145 |
FT_Memory memory;
|
|
|
1146 |
FT_Error error = BDF_Err_Ok;
|
|
|
1147 |
|
|
|
1148 |
|
|
|
1149 |
if ( font == 0 || font->name == 0 || font->name[0] == 0 )
|
|
|
1150 |
{
|
|
|
1151 |
error = BDF_Err_Invalid_Argument;
|
|
|
1152 |
goto Exit;
|
|
|
1153 |
}
|
|
|
1154 |
|
|
|
1155 |
memory = font->memory;
|
|
|
1156 |
|
|
|
1157 |
_bdf_list_init( &list, memory );
|
|
|
1158 |
|
|
|
1159 |
font->spacing = opts->font_spacing;
|
|
|
1160 |
|
|
|
1161 |
len = ft_strlen( font->name ) + 1;
|
|
|
1162 |
/* Limit ourselves to 256 characters in the font name. */
|
|
|
1163 |
if ( len >= 256 )
|
|
|
1164 |
{
|
|
|
1165 |
error = BDF_Err_Invalid_Argument;
|
|
|
1166 |
goto Exit;
|
|
|
1167 |
}
|
|
|
1168 |
|
|
|
1169 |
FT_MEM_COPY( name, font->name, len );
|
|
|
1170 |
|
|
|
1171 |
error = _bdf_list_split( &list, (char *)"-", name, len );
|
|
|
1172 |
if ( error )
|
|
|
1173 |
goto Fail;
|
|
|
1174 |
|
|
|
1175 |
if ( list.used == 15 )
|
|
|
1176 |
{
|
|
|
1177 |
switch ( list.field[11][0] )
|
|
|
1178 |
{
|
|
|
1179 |
case 'C':
|
|
|
1180 |
case 'c':
|
|
|
1181 |
font->spacing = BDF_CHARCELL;
|
|
|
1182 |
break;
|
|
|
1183 |
case 'M':
|
|
|
1184 |
case 'm':
|
|
|
1185 |
font->spacing = BDF_MONOWIDTH;
|
|
|
1186 |
break;
|
|
|
1187 |
case 'P':
|
|
|
1188 |
case 'p':
|
|
|
1189 |
font->spacing = BDF_PROPORTIONAL;
|
|
|
1190 |
break;
|
|
|
1191 |
}
|
|
|
1192 |
}
|
|
|
1193 |
|
|
|
1194 |
Fail:
|
|
|
1195 |
_bdf_list_done( &list );
|
|
|
1196 |
|
|
|
1197 |
Exit:
|
|
|
1198 |
return error;
|
|
|
1199 |
}
|
|
|
1200 |
|
|
|
1201 |
|
|
|
1202 |
/* Determine whether the property is an atom or not. If it is, then */
|
|
|
1203 |
/* clean it up so the double quotes are removed if they exist. */
|
|
|
1204 |
static int
|
|
|
1205 |
_bdf_is_atom( char* line,
|
|
|
1206 |
unsigned long linelen,
|
|
|
1207 |
char** name,
|
|
|
1208 |
char** value,
|
|
|
1209 |
bdf_font_t* font )
|
|
|
1210 |
{
|
|
|
1211 |
int hold;
|
|
|
1212 |
char *sp, *ep;
|
|
|
1213 |
bdf_property_t* p;
|
|
|
1214 |
|
|
|
1215 |
|
|
|
1216 |
*name = sp = ep = line;
|
|
|
1217 |
|
|
|
1218 |
while ( *ep && *ep != ' ' && *ep != '\t' )
|
|
|
1219 |
ep++;
|
|
|
1220 |
|
|
|
1221 |
hold = -1;
|
|
|
1222 |
if ( *ep )
|
|
|
1223 |
{
|
|
|
1224 |
hold = *ep;
|
|
|
1225 |
*ep = 0;
|
|
|
1226 |
}
|
|
|
1227 |
|
|
|
1228 |
p = bdf_get_property( sp, font );
|
|
|
1229 |
|
|
|
1230 |
/* Restore the character that was saved before any return can happen. */
|
|
|
1231 |
if ( hold != -1 )
|
|
|
1232 |
*ep = (char)hold;
|
|
|
1233 |
|
|
|
1234 |
/* If the property exists and is not an atom, just return here. */
|
|
|
1235 |
if ( p && p->format != BDF_ATOM )
|
|
|
1236 |
return 0;
|
|
|
1237 |
|
|
|
1238 |
/* The property is an atom. Trim all leading and trailing whitespace */
|
|
|
1239 |
/* and double quotes for the atom value. */
|
|
|
1240 |
sp = ep;
|
|
|
1241 |
ep = line + linelen;
|
|
|
1242 |
|
|
|
1243 |
/* Trim the leading whitespace if it exists. */
|
|
|
1244 |
*sp++ = 0;
|
|
|
1245 |
while ( *sp &&
|
|
|
1246 |
( *sp == ' ' || *sp == '\t' ) )
|
|
|
1247 |
sp++;
|
|
|
1248 |
|
|
|
1249 |
/* Trim the leading double quote if it exists. */
|
|
|
1250 |
if ( *sp == '"' )
|
|
|
1251 |
sp++;
|
|
|
1252 |
*value = sp;
|
|
|
1253 |
|
|
|
1254 |
/* Trim the trailing whitespace if it exists. */
|
|
|
1255 |
while ( ep > sp &&
|
|
|
1256 |
( *( ep - 1 ) == ' ' || *( ep - 1 ) == '\t' ) )
|
|
|
1257 |
*--ep = 0;
|
|
|
1258 |
|
|
|
1259 |
/* Trim the trailing double quote if it exists. */
|
|
|
1260 |
if ( ep > sp && *( ep - 1 ) == '"' )
|
|
|
1261 |
*--ep = 0;
|
|
|
1262 |
|
|
|
1263 |
return 1;
|
|
|
1264 |
}
|
|
|
1265 |
|
|
|
1266 |
|
|
|
1267 |
static FT_Error
|
|
|
1268 |
_bdf_add_property( bdf_font_t* font,
|
|
|
1269 |
char* name,
|
|
|
1270 |
char* value )
|
|
|
1271 |
{
|
|
|
1272 |
size_t propid;
|
|
|
1273 |
hashnode hn;
|
|
|
1274 |
bdf_property_t *prop, *fp;
|
|
|
1275 |
FT_Memory memory = font->memory;
|
|
|
1276 |
FT_Error error = BDF_Err_Ok;
|
|
|
1277 |
|
|
|
1278 |
|
|
|
1279 |
/* First, check to see if the property already exists in the font. */
|
|
|
1280 |
if ( ( hn = hash_lookup( name, (hashtable *)font->internal ) ) != 0 )
|
|
|
1281 |
{
|
|
|
1282 |
/* The property already exists in the font, so simply replace */
|
|
|
1283 |
/* the value of the property with the current value. */
|
|
|
1284 |
fp = font->props + hn->data;
|
|
|
1285 |
|
|
|
1286 |
switch ( fp->format )
|
|
|
1287 |
{
|
|
|
1288 |
case BDF_ATOM:
|
|
|
1289 |
/* Delete the current atom if it exists. */
|
|
|
1290 |
FT_FREE( fp->value.atom );
|
|
|
1291 |
|
|
|
1292 |
if ( value && value[0] != 0 )
|
|
|
1293 |
{
|
|
|
1294 |
if ( FT_STRDUP( fp->value.atom, value ) )
|
|
|
1295 |
goto Exit;
|
|
|
1296 |
}
|
|
|
1297 |
break;
|
|
|
1298 |
|
|
|
1299 |
case BDF_INTEGER:
|
|
|
1300 |
fp->value.l = _bdf_atol( value, 0, 10 );
|
|
|
1301 |
break;
|
|
|
1302 |
|
|
|
1303 |
case BDF_CARDINAL:
|
|
|
1304 |
fp->value.ul = _bdf_atoul( value, 0, 10 );
|
|
|
1305 |
break;
|
|
|
1306 |
|
|
|
1307 |
default:
|
|
|
1308 |
;
|
|
|
1309 |
}
|
|
|
1310 |
|
|
|
1311 |
goto Exit;
|
|
|
1312 |
}
|
|
|
1313 |
|
|
|
1314 |
/* See whether this property type exists yet or not. */
|
|
|
1315 |
/* If not, create it. */
|
|
|
1316 |
hn = hash_lookup( name, &(font->proptbl) );
|
|
|
1317 |
if ( hn == 0 )
|
|
|
1318 |
{
|
|
|
1319 |
error = bdf_create_property( name, BDF_ATOM, font );
|
|
|
1320 |
if ( error )
|
|
|
1321 |
goto Exit;
|
|
|
1322 |
hn = hash_lookup( name, &(font->proptbl) );
|
|
|
1323 |
}
|
|
|
1324 |
|
|
|
1325 |
/* Allocate another property if this is overflow. */
|
|
|
1326 |
if ( font->props_used == font->props_size )
|
|
|
1327 |
{
|
|
|
1328 |
if ( font->props_size == 0 )
|
|
|
1329 |
{
|
|
|
1330 |
if ( FT_NEW_ARRAY( font->props, 1 ) )
|
|
|
1331 |
goto Exit;
|
|
|
1332 |
}
|
|
|
1333 |
else
|
|
|
1334 |
{
|
|
|
1335 |
if ( FT_RENEW_ARRAY( font->props,
|
|
|
1336 |
font->props_size,
|
|
|
1337 |
font->props_size + 1 ) )
|
|
|
1338 |
goto Exit;
|
|
|
1339 |
}
|
|
|
1340 |
|
|
|
1341 |
fp = font->props + font->props_size;
|
|
|
1342 |
FT_MEM_ZERO( fp, sizeof ( bdf_property_t ) );
|
|
|
1343 |
font->props_size++;
|
|
|
1344 |
}
|
|
|
1345 |
|
|
|
1346 |
propid = hn->data;
|
|
|
1347 |
if ( propid >= _num_bdf_properties )
|
|
|
1348 |
prop = font->user_props + ( propid - _num_bdf_properties );
|
|
|
1349 |
else
|
|
|
1350 |
prop = (bdf_property_t*)_bdf_properties + propid;
|
|
|
1351 |
|
|
|
1352 |
fp = font->props + font->props_used;
|
|
|
1353 |
|
|
|
1354 |
fp->name = prop->name;
|
|
|
1355 |
fp->format = prop->format;
|
|
|
1356 |
fp->builtin = prop->builtin;
|
|
|
1357 |
|
|
|
1358 |
switch ( prop->format )
|
|
|
1359 |
{
|
|
|
1360 |
case BDF_ATOM:
|
|
|
1361 |
fp->value.atom = 0;
|
|
|
1362 |
if ( value != 0 && value[0] )
|
|
|
1363 |
{
|
|
|
1364 |
if ( FT_STRDUP( fp->value.atom, value ) )
|
|
|
1365 |
goto Exit;
|
|
|
1366 |
}
|
|
|
1367 |
break;
|
|
|
1368 |
|
|
|
1369 |
case BDF_INTEGER:
|
|
|
1370 |
fp->value.l = _bdf_atol( value, 0, 10 );
|
|
|
1371 |
break;
|
|
|
1372 |
|
|
|
1373 |
case BDF_CARDINAL:
|
|
|
1374 |
fp->value.ul = _bdf_atoul( value, 0, 10 );
|
|
|
1375 |
break;
|
|
|
1376 |
}
|
|
|
1377 |
|
|
|
1378 |
/* If the property happens to be a comment, then it doesn't need */
|
|
|
1379 |
/* to be added to the internal hash table. */
|
|
|
1380 |
if ( ft_memcmp( name, "COMMENT", 7 ) != 0 )
|
|
|
1381 |
{
|
|
|
1382 |
/* Add the property to the font property table. */
|
|
|
1383 |
error = hash_insert( fp->name,
|
|
|
1384 |
font->props_used,
|
|
|
1385 |
(hashtable *)font->internal,
|
|
|
1386 |
memory );
|
|
|
1387 |
if ( error )
|
|
|
1388 |
goto Exit;
|
|
|
1389 |
}
|
|
|
1390 |
|
|
|
1391 |
font->props_used++;
|
|
|
1392 |
|
|
|
1393 |
/* Some special cases need to be handled here. The DEFAULT_CHAR */
|
|
|
1394 |
/* property needs to be located if it exists in the property list, the */
|
|
|
1395 |
/* FONT_ASCENT and FONT_DESCENT need to be assigned if they are */
|
|
|
1396 |
/* present, and the SPACING property should override the default */
|
|
|
1397 |
/* spacing. */
|
|
|
1398 |
if ( ft_memcmp( name, "DEFAULT_CHAR", 12 ) == 0 )
|
|
|
1399 |
font->default_char = fp->value.l;
|
|
|
1400 |
else if ( ft_memcmp( name, "FONT_ASCENT", 11 ) == 0 )
|
|
|
1401 |
font->font_ascent = fp->value.l;
|
|
|
1402 |
else if ( ft_memcmp( name, "FONT_DESCENT", 12 ) == 0 )
|
|
|
1403 |
font->font_descent = fp->value.l;
|
|
|
1404 |
else if ( ft_memcmp( name, "SPACING", 7 ) == 0 )
|
|
|
1405 |
{
|
|
|
1406 |
if ( !fp->value.atom )
|
|
|
1407 |
{
|
|
|
1408 |
error = BDF_Err_Invalid_File_Format;
|
|
|
1409 |
goto Exit;
|
|
|
1410 |
}
|
|
|
1411 |
|
|
|
1412 |
if ( fp->value.atom[0] == 'p' || fp->value.atom[0] == 'P' )
|
|
|
1413 |
font->spacing = BDF_PROPORTIONAL;
|
|
|
1414 |
else if ( fp->value.atom[0] == 'm' || fp->value.atom[0] == 'M' )
|
|
|
1415 |
font->spacing = BDF_MONOWIDTH;
|
|
|
1416 |
else if ( fp->value.atom[0] == 'c' || fp->value.atom[0] == 'C' )
|
|
|
1417 |
font->spacing = BDF_CHARCELL;
|
|
|
1418 |
}
|
|
|
1419 |
|
|
|
1420 |
Exit:
|
|
|
1421 |
return error;
|
|
|
1422 |
}
|
|
|
1423 |
|
|
|
1424 |
|
|
|
1425 |
static const unsigned char nibble_mask[8] =
|
|
|
1426 |
{
|
|
|
1427 |
0xFF, 0x80, 0xC0, 0xE0, 0xF0, 0xF8, 0xFC, 0xFE
|
|
|
1428 |
};
|
|
|
1429 |
|
|
|
1430 |
|
|
|
1431 |
/* Actually parse the glyph info and bitmaps. */
|
|
|
1432 |
static FT_Error
|
|
|
1433 |
_bdf_parse_glyphs( char* line,
|
|
|
1434 |
unsigned long linelen,
|
|
|
1435 |
unsigned long lineno,
|
|
|
1436 |
void* call_data,
|
|
|
1437 |
void* client_data )
|
|
|
1438 |
{
|
|
|
1439 |
int c, mask_index;
|
|
|
1440 |
char* s;
|
|
|
1441 |
unsigned char* bp;
|
|
|
1442 |
unsigned long i, slen, nibbles;
|
|
|
1443 |
|
|
|
1444 |
_bdf_parse_t* p;
|
|
|
1445 |
bdf_glyph_t* glyph;
|
|
|
1446 |
bdf_font_t* font;
|
|
|
1447 |
|
|
|
1448 |
FT_Memory memory;
|
|
|
1449 |
FT_Error error = BDF_Err_Ok;
|
|
|
1450 |
|
|
|
1451 |
FT_UNUSED( call_data );
|
|
|
1452 |
FT_UNUSED( lineno ); /* only used in debug mode */
|
|
|
1453 |
|
|
|
1454 |
|
|
|
1455 |
p = (_bdf_parse_t *)client_data;
|
|
|
1456 |
|
|
|
1457 |
font = p->font;
|
|
|
1458 |
memory = font->memory;
|
|
|
1459 |
|
|
|
1460 |
/* Check for a comment. */
|
|
|
1461 |
if ( ft_memcmp( line, "COMMENT", 7 ) == 0 )
|
|
|
1462 |
{
|
|
|
1463 |
linelen -= 7;
|
|
|
1464 |
|
|
|
1465 |
s = line + 7;
|
|
|
1466 |
if ( *s != 0 )
|
|
|
1467 |
{
|
|
|
1468 |
s++;
|
|
|
1469 |
linelen--;
|
|
|
1470 |
}
|
|
|
1471 |
error = _bdf_add_comment( p->font, s, linelen );
|
|
|
1472 |
goto Exit;
|
|
|
1473 |
}
|
|
|
1474 |
|
|
|
1475 |
/* The very first thing expected is the number of glyphs. */
|
|
|
1476 |
if ( !( p->flags & _BDF_GLYPHS ) )
|
|
|
1477 |
{
|
|
|
1478 |
if ( ft_memcmp( line, "CHARS", 5 ) != 0 )
|
|
|
1479 |
{
|
|
|
1480 |
FT_ERROR(( "_bdf_parse_glyphs: " ERRMSG1, lineno, "CHARS" ));
|
|
|
1481 |
error = BDF_Err_Missing_Chars_Field;
|
|
|
1482 |
goto Exit;
|
|
|
1483 |
}
|
|
|
1484 |
|
|
|
1485 |
error = _bdf_list_split( &p->list, (char *)" +", line, linelen );
|
|
|
1486 |
if ( error )
|
|
|
1487 |
goto Exit;
|
|
|
1488 |
p->cnt = font->glyphs_size = _bdf_atoul( p->list.field[1], 0, 10 );
|
|
|
1489 |
|
|
|
1490 |
/* Make sure the number of glyphs is non-zero. */
|
|
|
1491 |
if ( p->cnt == 0 )
|
|
|
1492 |
font->glyphs_size = 64;
|
|
|
1493 |
|
|
|
1494 |
/* Limit ourselves to 1,114,112 glyphs in the font (this is the */
|
|
|
1495 |
/* number of code points available in Unicode). */
|
|
|
1496 |
if ( p->cnt >= 1114112UL )
|
|
|
1497 |
{
|
|
|
1498 |
error = BDF_Err_Invalid_Argument;
|
|
|
1499 |
goto Exit;
|
|
|
1500 |
}
|
|
|
1501 |
|
|
|
1502 |
if ( FT_NEW_ARRAY( font->glyphs, font->glyphs_size ) )
|
|
|
1503 |
goto Exit;
|
|
|
1504 |
|
|
|
1505 |
p->flags |= _BDF_GLYPHS;
|
|
|
1506 |
|
|
|
1507 |
goto Exit;
|
|
|
1508 |
}
|
|
|
1509 |
|
|
|
1510 |
/* Check for the ENDFONT field. */
|
|
|
1511 |
if ( ft_memcmp( line, "ENDFONT", 7 ) == 0 )
|
|
|
1512 |
{
|
|
|
1513 |
/* Sort the glyphs by encoding. */
|
|
|
1514 |
ft_qsort( (char *)font->glyphs,
|
|
|
1515 |
font->glyphs_used,
|
|
|
1516 |
sizeof ( bdf_glyph_t ),
|
|
|
1517 |
by_encoding );
|
|
|
1518 |
|
|
|
1519 |
p->flags &= ~_BDF_START;
|
|
|
1520 |
|
|
|
1521 |
goto Exit;
|
|
|
1522 |
}
|
|
|
1523 |
|
|
|
1524 |
/* Check for the ENDCHAR field. */
|
|
|
1525 |
if ( ft_memcmp( line, "ENDCHAR", 7 ) == 0 )
|
|
|
1526 |
{
|
|
|
1527 |
p->glyph_enc = 0;
|
|
|
1528 |
p->flags &= ~_BDF_GLYPH_BITS;
|
|
|
1529 |
|
|
|
1530 |
goto Exit;
|
|
|
1531 |
}
|
|
|
1532 |
|
|
|
1533 |
/* Check to see whether a glyph is being scanned but should be */
|
|
|
1534 |
/* ignored because it is an unencoded glyph. */
|
|
|
1535 |
if ( ( p->flags & _BDF_GLYPH ) &&
|
|
|
1536 |
p->glyph_enc == -1 &&
|
|
|
1537 |
p->opts->keep_unencoded == 0 )
|
|
|
1538 |
goto Exit;
|
|
|
1539 |
|
|
|
1540 |
/* Check for the STARTCHAR field. */
|
|
|
1541 |
if ( ft_memcmp( line, "STARTCHAR", 9 ) == 0 )
|
|
|
1542 |
{
|
|
|
1543 |
/* Set the character name in the parse info first until the */
|
|
|
1544 |
/* encoding can be checked for an unencoded character. */
|
|
|
1545 |
FT_FREE( p->glyph_name );
|
|
|
1546 |
|
|
|
1547 |
error = _bdf_list_split( &p->list, (char *)" +", line, linelen );
|
|
|
1548 |
if ( error )
|
|
|
1549 |
goto Exit;
|
|
|
1550 |
|
|
|
1551 |
_bdf_list_shift( &p->list, 1 );
|
|
|
1552 |
|
|
|
1553 |
s = _bdf_list_join( &p->list, ' ', &slen );
|
|
|
1554 |
|
|
|
1555 |
if ( !s )
|
|
|
1556 |
{
|
|
|
1557 |
error = BDF_Err_Invalid_File_Format;
|
|
|
1558 |
goto Exit;
|
|
|
1559 |
}
|
|
|
1560 |
|
|
|
1561 |
if ( FT_NEW_ARRAY( p->glyph_name, slen + 1 ) )
|
|
|
1562 |
goto Exit;
|
|
|
1563 |
|
|
|
1564 |
FT_MEM_COPY( p->glyph_name, s, slen + 1 );
|
|
|
1565 |
|
|
|
1566 |
p->flags |= _BDF_GLYPH;
|
|
|
1567 |
|
|
|
1568 |
goto Exit;
|
|
|
1569 |
}
|
|
|
1570 |
|
|
|
1571 |
/* Check for the ENCODING field. */
|
|
|
1572 |
if ( ft_memcmp( line, "ENCODING", 8 ) == 0 )
|
|
|
1573 |
{
|
|
|
1574 |
if ( !( p->flags & _BDF_GLYPH ) )
|
|
|
1575 |
{
|
|
|
1576 |
/* Missing STARTCHAR field. */
|
|
|
1577 |
FT_ERROR(( "_bdf_parse_glyphs: " ERRMSG1, lineno, "STARTCHAR" ));
|
|
|
1578 |
error = BDF_Err_Missing_Startchar_Field;
|
|
|
1579 |
goto Exit;
|
|
|
1580 |
}
|
|
|
1581 |
|
|
|
1582 |
error = _bdf_list_split( &p->list, (char *)" +", line, linelen );
|
|
|
1583 |
if ( error )
|
|
|
1584 |
goto Exit;
|
|
|
1585 |
|
|
|
1586 |
p->glyph_enc = _bdf_atol( p->list.field[1], 0, 10 );
|
|
|
1587 |
|
|
|
1588 |
/* Check that the encoding is in the range [0,65536] because */
|
|
|
1589 |
/* otherwise p->have (a bitmap with static size) overflows. */
|
|
|
1590 |
if ( (size_t)p->glyph_enc >= sizeof ( p->have ) * 8 )
|
|
|
1591 |
{
|
|
|
1592 |
error = BDF_Err_Invalid_File_Format;
|
|
|
1593 |
goto Exit;
|
|
|
1594 |
}
|
|
|
1595 |
|
|
|
1596 |
/* Check to see whether this encoding has already been encountered. */
|
|
|
1597 |
/* If it has then change it to unencoded so it gets added if */
|
|
|
1598 |
/* indicated. */
|
|
|
1599 |
if ( p->glyph_enc >= 0 )
|
|
|
1600 |
{
|
|
|
1601 |
if ( _bdf_glyph_modified( p->have, p->glyph_enc ) )
|
|
|
1602 |
{
|
|
|
1603 |
/* Emit a message saying a glyph has been moved to the */
|
|
|
1604 |
/* unencoded area. */
|
|
|
1605 |
FT_TRACE2(( "_bdf_parse_glyphs: " ACMSG12,
|
|
|
1606 |
p->glyph_enc, p->glyph_name ));
|
|
|
1607 |
p->glyph_enc = -1;
|
|
|
1608 |
font->modified = 1;
|
|
|
1609 |
}
|
|
|
1610 |
else
|
|
|
1611 |
_bdf_set_glyph_modified( p->have, p->glyph_enc );
|
|
|
1612 |
}
|
|
|
1613 |
|
|
|
1614 |
if ( p->glyph_enc >= 0 )
|
|
|
1615 |
{
|
|
|
1616 |
/* Make sure there are enough glyphs allocated in case the */
|
|
|
1617 |
/* number of characters happen to be wrong. */
|
|
|
1618 |
if ( font->glyphs_used == font->glyphs_size )
|
|
|
1619 |
{
|
|
|
1620 |
if ( FT_RENEW_ARRAY( font->glyphs,
|
|
|
1621 |
font->glyphs_size,
|
|
|
1622 |
font->glyphs_size + 64 ) )
|
|
|
1623 |
goto Exit;
|
|
|
1624 |
|
|
|
1625 |
font->glyphs_size += 64;
|
|
|
1626 |
}
|
|
|
1627 |
|
|
|
1628 |
glyph = font->glyphs + font->glyphs_used++;
|
|
|
1629 |
glyph->name = p->glyph_name;
|
|
|
1630 |
glyph->encoding = p->glyph_enc;
|
|
|
1631 |
|
|
|
1632 |
/* Reset the initial glyph info. */
|
|
|
1633 |
p->glyph_name = 0;
|
|
|
1634 |
}
|
|
|
1635 |
else
|
|
|
1636 |
{
|
|
|
1637 |
/* Unencoded glyph. Check to see whether it should */
|
|
|
1638 |
/* be added or not. */
|
|
|
1639 |
if ( p->opts->keep_unencoded != 0 )
|
|
|
1640 |
{
|
|
|
1641 |
/* Allocate the next unencoded glyph. */
|
|
|
1642 |
if ( font->unencoded_used == font->unencoded_size )
|
|
|
1643 |
{
|
|
|
1644 |
if ( FT_RENEW_ARRAY( font->unencoded ,
|
|
|
1645 |
font->unencoded_size,
|
|
|
1646 |
font->unencoded_size + 4 ) )
|
|
|
1647 |
goto Exit;
|
|
|
1648 |
|
|
|
1649 |
font->unencoded_size += 4;
|
|
|
1650 |
}
|
|
|
1651 |
|
|
|
1652 |
glyph = font->unencoded + font->unencoded_used;
|
|
|
1653 |
glyph->name = p->glyph_name;
|
|
|
1654 |
glyph->encoding = font->unencoded_used++;
|
|
|
1655 |
}
|
|
|
1656 |
else
|
|
|
1657 |
/* Free up the glyph name if the unencoded shouldn't be */
|
|
|
1658 |
/* kept. */
|
|
|
1659 |
FT_FREE( p->glyph_name );
|
|
|
1660 |
|
|
|
1661 |
p->glyph_name = 0;
|
|
|
1662 |
}
|
|
|
1663 |
|
|
|
1664 |
/* Clear the flags that might be added when width and height are */
|
|
|
1665 |
/* checked for consistency. */
|
|
|
1666 |
p->flags &= ~( _BDF_GLYPH_WIDTH_CHECK | _BDF_GLYPH_HEIGHT_CHECK );
|
|
|
1667 |
|
|
|
1668 |
p->flags |= _BDF_ENCODING;
|
|
|
1669 |
|
|
|
1670 |
goto Exit;
|
|
|
1671 |
}
|
|
|
1672 |
|
|
|
1673 |
/* Point at the glyph being constructed. */
|
|
|
1674 |
if ( p->glyph_enc == -1 )
|
|
|
1675 |
glyph = font->unencoded + ( font->unencoded_used - 1 );
|
|
|
1676 |
else
|
|
|
1677 |
glyph = font->glyphs + ( font->glyphs_used - 1 );
|
|
|
1678 |
|
|
|
1679 |
/* Check to see whether a bitmap is being constructed. */
|
|
|
1680 |
if ( p->flags & _BDF_BITMAP )
|
|
|
1681 |
{
|
|
|
1682 |
/* If there are more rows than are specified in the glyph metrics, */
|
|
|
1683 |
/* ignore the remaining lines. */
|
|
|
1684 |
if ( p->row >= (unsigned long)glyph->bbx.height )
|
|
|
1685 |
{
|
|
|
1686 |
if ( !( p->flags & _BDF_GLYPH_HEIGHT_CHECK ) )
|
|
|
1687 |
{
|
|
|
1688 |
FT_TRACE2(( "_bdf_parse_glyphs: " ACMSG13, glyph->encoding ));
|
|
|
1689 |
p->flags |= _BDF_GLYPH_HEIGHT_CHECK;
|
|
|
1690 |
font->modified = 1;
|
|
|
1691 |
}
|
|
|
1692 |
|
|
|
1693 |
goto Exit;
|
|
|
1694 |
}
|
|
|
1695 |
|
|
|
1696 |
/* Only collect the number of nibbles indicated by the glyph */
|
|
|
1697 |
/* metrics. If there are more columns, they are simply ignored. */
|
|
|
1698 |
nibbles = glyph->bpr << 1;
|
|
|
1699 |
bp = glyph->bitmap + p->row * glyph->bpr;
|
|
|
1700 |
|
|
|
1701 |
for ( i = 0; i < nibbles; i++ )
|
|
|
1702 |
{
|
|
|
1703 |
c = line[i];
|
|
|
1704 |
*bp = (FT_Byte)( ( *bp << 4 ) + a2i[c] );
|
|
|
1705 |
if ( i + 1 < nibbles && ( i & 1 ) )
|
|
|
1706 |
*++bp = 0;
|
|
|
1707 |
}
|
|
|
1708 |
|
|
|
1709 |
/* Remove possible garbage at the right. */
|
|
|
1710 |
mask_index = ( glyph->bbx.width * p->font->bpp ) & 7;
|
|
|
1711 |
if ( glyph->bbx.width )
|
|
|
1712 |
*bp &= nibble_mask[mask_index];
|
|
|
1713 |
|
|
|
1714 |
/* If any line has extra columns, indicate they have been removed. */
|
|
|
1715 |
if ( ( line[nibbles] == '0' || a2i[(int)line[nibbles]] != 0 ) &&
|
|
|
1716 |
!( p->flags & _BDF_GLYPH_WIDTH_CHECK ) )
|
|
|
1717 |
{
|
|
|
1718 |
FT_TRACE2(( "_bdf_parse_glyphs: " ACMSG14, glyph->encoding ));
|
|
|
1719 |
p->flags |= _BDF_GLYPH_WIDTH_CHECK;
|
|
|
1720 |
font->modified = 1;
|
|
|
1721 |
}
|
|
|
1722 |
|
|
|
1723 |
p->row++;
|
|
|
1724 |
goto Exit;
|
|
|
1725 |
}
|
|
|
1726 |
|
|
|
1727 |
/* Expect the SWIDTH (scalable width) field next. */
|
|
|
1728 |
if ( ft_memcmp( line, "SWIDTH", 6 ) == 0 )
|
|
|
1729 |
{
|
|
|
1730 |
if ( !( p->flags & _BDF_ENCODING ) )
|
|
|
1731 |
{
|
|
|
1732 |
/* Missing ENCODING field. */
|
|
|
1733 |
FT_ERROR(( "_bdf_parse_glyphs: " ERRMSG1, lineno, "ENCODING" ));
|
|
|
1734 |
error = BDF_Err_Missing_Encoding_Field;
|
|
|
1735 |
goto Exit;
|
|
|
1736 |
}
|
|
|
1737 |
|
|
|
1738 |
error = _bdf_list_split( &p->list, (char *)" +", line, linelen );
|
|
|
1739 |
if ( error )
|
|
|
1740 |
goto Exit;
|
|
|
1741 |
|
|
|
1742 |
glyph->swidth = (unsigned short)_bdf_atoul( p->list.field[1], 0, 10 );
|
|
|
1743 |
p->flags |= _BDF_SWIDTH;
|
|
|
1744 |
|
|
|
1745 |
goto Exit;
|
|
|
1746 |
}
|
|
|
1747 |
|
|
|
1748 |
/* Expect the DWIDTH (scalable width) field next. */
|
|
|
1749 |
if ( ft_memcmp( line, "DWIDTH", 6 ) == 0 )
|
|
|
1750 |
{
|
|
|
1751 |
error = _bdf_list_split( &p->list, (char *)" +", line, linelen );
|
|
|
1752 |
if ( error )
|
|
|
1753 |
goto Exit;
|
|
|
1754 |
|
|
|
1755 |
glyph->dwidth = (unsigned short)_bdf_atoul( p->list.field[1], 0, 10 );
|
|
|
1756 |
|
|
|
1757 |
if ( !( p->flags & _BDF_SWIDTH ) )
|
|
|
1758 |
{
|
|
|
1759 |
/* Missing SWIDTH field. Emit an auto correction message and set */
|
|
|
1760 |
/* the scalable width from the device width. */
|
|
|
1761 |
FT_TRACE2(( "_bdf_parse_glyphs: " ACMSG9, lineno ));
|
|
|
1762 |
|
|
|
1763 |
glyph->swidth = (unsigned short)FT_MulDiv(
|
|
|
1764 |
glyph->dwidth, 72000L,
|
|
|
1765 |
(FT_Long)( font->point_size *
|
|
|
1766 |
font->resolution_x ) );
|
|
|
1767 |
}
|
|
|
1768 |
|
|
|
1769 |
p->flags |= _BDF_DWIDTH;
|
|
|
1770 |
goto Exit;
|
|
|
1771 |
}
|
|
|
1772 |
|
|
|
1773 |
/* Expect the BBX field next. */
|
|
|
1774 |
if ( ft_memcmp( line, "BBX", 3 ) == 0 )
|
|
|
1775 |
{
|
|
|
1776 |
error = _bdf_list_split( &p->list, (char *)" +", line, linelen );
|
|
|
1777 |
if ( error )
|
|
|
1778 |
goto Exit;
|
|
|
1779 |
|
|
|
1780 |
glyph->bbx.width = _bdf_atos( p->list.field[1], 0, 10 );
|
|
|
1781 |
glyph->bbx.height = _bdf_atos( p->list.field[2], 0, 10 );
|
|
|
1782 |
glyph->bbx.x_offset = _bdf_atos( p->list.field[3], 0, 10 );
|
|
|
1783 |
glyph->bbx.y_offset = _bdf_atos( p->list.field[4], 0, 10 );
|
|
|
1784 |
|
|
|
1785 |
/* Generate the ascent and descent of the character. */
|
|
|
1786 |
glyph->bbx.ascent = (short)( glyph->bbx.height + glyph->bbx.y_offset );
|
|
|
1787 |
glyph->bbx.descent = (short)( -glyph->bbx.y_offset );
|
|
|
1788 |
|
|
|
1789 |
/* Determine the overall font bounding box as the characters are */
|
|
|
1790 |
/* loaded so corrections can be done later if indicated. */
|
|
|
1791 |
p->maxas = (short)FT_MAX( glyph->bbx.ascent, p->maxas );
|
|
|
1792 |
p->maxds = (short)FT_MAX( glyph->bbx.descent, p->maxds );
|
|
|
1793 |
|
|
|
1794 |
p->rbearing = (short)( glyph->bbx.width + glyph->bbx.x_offset );
|
|
|
1795 |
|
|
|
1796 |
p->maxrb = (short)FT_MAX( p->rbearing, p->maxrb );
|
|
|
1797 |
p->minlb = (short)FT_MIN( glyph->bbx.x_offset, p->minlb );
|
|
|
1798 |
p->maxlb = (short)FT_MAX( glyph->bbx.x_offset, p->maxlb );
|
|
|
1799 |
|
|
|
1800 |
if ( !( p->flags & _BDF_DWIDTH ) )
|
|
|
1801 |
{
|
|
|
1802 |
/* Missing DWIDTH field. Emit an auto correction message and set */
|
|
|
1803 |
/* the device width to the glyph width. */
|
|
|
1804 |
FT_TRACE2(( "_bdf_parse_glyphs: " ACMSG10, lineno ));
|
|
|
1805 |
glyph->dwidth = glyph->bbx.width;
|
|
|
1806 |
}
|
|
|
1807 |
|
|
|
1808 |
/* If the BDF_CORRECT_METRICS flag is set, then adjust the SWIDTH */
|
|
|
1809 |
/* value if necessary. */
|
|
|
1810 |
if ( p->opts->correct_metrics != 0 )
|
|
|
1811 |
{
|
|
|
1812 |
/* Determine the point size of the glyph. */
|
|
|
1813 |
unsigned short sw = (unsigned short)FT_MulDiv(
|
|
|
1814 |
glyph->dwidth, 72000L,
|
|
|
1815 |
(FT_Long)( font->point_size *
|
|
|
1816 |
font->resolution_x ) );
|
|
|
1817 |
|
|
|
1818 |
|
|
|
1819 |
if ( sw != glyph->swidth )
|
|
|
1820 |
{
|
|
|
1821 |
glyph->swidth = sw;
|
|
|
1822 |
|
|
|
1823 |
if ( p->glyph_enc == -1 )
|
|
|
1824 |
_bdf_set_glyph_modified( font->umod,
|
|
|
1825 |
font->unencoded_used - 1 );
|
|
|
1826 |
else
|
|
|
1827 |
_bdf_set_glyph_modified( font->nmod, glyph->encoding );
|
|
|
1828 |
|
|
|
1829 |
p->flags |= _BDF_SWIDTH_ADJ;
|
|
|
1830 |
font->modified = 1;
|
|
|
1831 |
}
|
|
|
1832 |
}
|
|
|
1833 |
|
|
|
1834 |
p->flags |= _BDF_BBX;
|
|
|
1835 |
goto Exit;
|
|
|
1836 |
}
|
|
|
1837 |
|
|
|
1838 |
/* And finally, gather up the bitmap. */
|
|
|
1839 |
if ( ft_memcmp( line, "BITMAP", 6 ) == 0 )
|
|
|
1840 |
{
|
|
|
1841 |
unsigned long bitmap_size;
|
|
|
1842 |
|
|
|
1843 |
|
|
|
1844 |
if ( !( p->flags & _BDF_BBX ) )
|
|
|
1845 |
{
|
|
|
1846 |
/* Missing BBX field. */
|
|
|
1847 |
FT_ERROR(( "_bdf_parse_glyphs: " ERRMSG1, lineno, "BBX" ));
|
|
|
1848 |
error = BDF_Err_Missing_Bbx_Field;
|
|
|
1849 |
goto Exit;
|
|
|
1850 |
}
|
|
|
1851 |
|
|
|
1852 |
/* Allocate enough space for the bitmap. */
|
|
|
1853 |
glyph->bpr = ( glyph->bbx.width * p->font->bpp + 7 ) >> 3;
|
|
|
1854 |
|
|
|
1855 |
bitmap_size = glyph->bpr * glyph->bbx.height;
|
|
|
1856 |
if ( bitmap_size > 0xFFFFU )
|
|
|
1857 |
{
|
|
|
1858 |
FT_ERROR(( "_bdf_parse_glyphs: " ERRMSG4, lineno ));
|
|
|
1859 |
error = BDF_Err_Bbx_Too_Big;
|
|
|
1860 |
goto Exit;
|
|
|
1861 |
}
|
|
|
1862 |
else
|
|
|
1863 |
glyph->bytes = (unsigned short)bitmap_size;
|
|
|
1864 |
|
|
|
1865 |
if ( FT_NEW_ARRAY( glyph->bitmap, glyph->bytes ) )
|
|
|
1866 |
goto Exit;
|
|
|
1867 |
|
|
|
1868 |
p->row = 0;
|
|
|
1869 |
p->flags |= _BDF_BITMAP;
|
|
|
1870 |
|
|
|
1871 |
goto Exit;
|
|
|
1872 |
}
|
|
|
1873 |
|
|
|
1874 |
error = BDF_Err_Invalid_File_Format;
|
|
|
1875 |
|
|
|
1876 |
Exit:
|
|
|
1877 |
if ( error && ( p->flags & _BDF_GLYPH ) )
|
|
|
1878 |
FT_FREE( p->glyph_name );
|
|
|
1879 |
|
|
|
1880 |
return error;
|
|
|
1881 |
}
|
|
|
1882 |
|
|
|
1883 |
|
|
|
1884 |
/* Load the font properties. */
|
|
|
1885 |
static FT_Error
|
|
|
1886 |
_bdf_parse_properties( char* line,
|
|
|
1887 |
unsigned long linelen,
|
|
|
1888 |
unsigned long lineno,
|
|
|
1889 |
void* call_data,
|
|
|
1890 |
void* client_data )
|
|
|
1891 |
{
|
|
|
1892 |
unsigned long vlen;
|
|
|
1893 |
_bdf_line_func_t* next;
|
|
|
1894 |
_bdf_parse_t* p;
|
|
|
1895 |
char* name;
|
|
|
1896 |
char* value;
|
|
|
1897 |
char nbuf[128];
|
|
|
1898 |
FT_Error error = BDF_Err_Ok;
|
|
|
1899 |
|
|
|
1900 |
FT_UNUSED( lineno );
|
|
|
1901 |
|
|
|
1902 |
|
|
|
1903 |
next = (_bdf_line_func_t *)call_data;
|
|
|
1904 |
p = (_bdf_parse_t *) client_data;
|
|
|
1905 |
|
|
|
1906 |
/* Check for the end of the properties. */
|
|
|
1907 |
if ( ft_memcmp( line, "ENDPROPERTIES", 13 ) == 0 )
|
|
|
1908 |
{
|
|
|
1909 |
/* If the FONT_ASCENT or FONT_DESCENT properties have not been */
|
|
|
1910 |
/* encountered yet, then make sure they are added as properties and */
|
|
|
1911 |
/* make sure they are set from the font bounding box info. */
|
|
|
1912 |
/* */
|
|
|
1913 |
/* This is *always* done regardless of the options, because X11 */
|
|
|
1914 |
/* requires these two fields to compile fonts. */
|
|
|
1915 |
if ( bdf_get_font_property( p->font, "FONT_ASCENT" ) == 0 )
|
|
|
1916 |
{
|
|
|
1917 |
p->font->font_ascent = p->font->bbx.ascent;
|
|
|
1918 |
ft_sprintf( nbuf, "%hd", p->font->bbx.ascent );
|
|
|
1919 |
error = _bdf_add_property( p->font, (char *)"FONT_ASCENT", nbuf );
|
|
|
1920 |
if ( error )
|
|
|
1921 |
goto Exit;
|
|
|
1922 |
|
|
|
1923 |
FT_TRACE2(( "_bdf_parse_properties: " ACMSG1, p->font->bbx.ascent ));
|
|
|
1924 |
p->font->modified = 1;
|
|
|
1925 |
}
|
|
|
1926 |
|
|
|
1927 |
if ( bdf_get_font_property( p->font, "FONT_DESCENT" ) == 0 )
|
|
|
1928 |
{
|
|
|
1929 |
p->font->font_descent = p->font->bbx.descent;
|
|
|
1930 |
ft_sprintf( nbuf, "%hd", p->font->bbx.descent );
|
|
|
1931 |
error = _bdf_add_property( p->font, (char *)"FONT_DESCENT", nbuf );
|
|
|
1932 |
if ( error )
|
|
|
1933 |
goto Exit;
|
|
|
1934 |
|
|
|
1935 |
FT_TRACE2(( "_bdf_parse_properties: " ACMSG2, p->font->bbx.descent ));
|
|
|
1936 |
p->font->modified = 1;
|
|
|
1937 |
}
|
|
|
1938 |
|
|
|
1939 |
p->flags &= ~_BDF_PROPS;
|
|
|
1940 |
*next = _bdf_parse_glyphs;
|
|
|
1941 |
|
|
|
1942 |
goto Exit;
|
|
|
1943 |
}
|
|
|
1944 |
|
|
|
1945 |
/* Ignore the _XFREE86_GLYPH_RANGES properties. */
|
|
|
1946 |
if ( ft_memcmp( line, "_XFREE86_GLYPH_RANGES", 21 ) == 0 )
|
|
|
1947 |
goto Exit;
|
|
|
1948 |
|
|
|
1949 |
/* Handle COMMENT fields and properties in a special way to preserve */
|
|
|
1950 |
/* the spacing. */
|
|
|
1951 |
if ( ft_memcmp( line, "COMMENT", 7 ) == 0 )
|
|
|
1952 |
{
|
|
|
1953 |
name = value = line;
|
|
|
1954 |
value += 7;
|
|
|
1955 |
if ( *value )
|
|
|
1956 |
*value++ = 0;
|
|
|
1957 |
error = _bdf_add_property( p->font, name, value );
|
|
|
1958 |
if ( error )
|
|
|
1959 |
goto Exit;
|
|
|
1960 |
}
|
|
|
1961 |
else if ( _bdf_is_atom( line, linelen, &name, &value, p->font ) )
|
|
|
1962 |
{
|
|
|
1963 |
error = _bdf_add_property( p->font, name, value );
|
|
|
1964 |
if ( error )
|
|
|
1965 |
goto Exit;
|
|
|
1966 |
}
|
|
|
1967 |
else
|
|
|
1968 |
{
|
|
|
1969 |
error = _bdf_list_split( &p->list, (char *)" +", line, linelen );
|
|
|
1970 |
if ( error )
|
|
|
1971 |
goto Exit;
|
|
|
1972 |
name = p->list.field[0];
|
|
|
1973 |
|
|
|
1974 |
_bdf_list_shift( &p->list, 1 );
|
|
|
1975 |
value = _bdf_list_join( &p->list, ' ', &vlen );
|
|
|
1976 |
|
|
|
1977 |
error = _bdf_add_property( p->font, name, value );
|
|
|
1978 |
if ( error )
|
|
|
1979 |
goto Exit;
|
|
|
1980 |
}
|
|
|
1981 |
|
|
|
1982 |
Exit:
|
|
|
1983 |
return error;
|
|
|
1984 |
}
|
|
|
1985 |
|
|
|
1986 |
|
|
|
1987 |
/* Load the font header. */
|
|
|
1988 |
static FT_Error
|
|
|
1989 |
_bdf_parse_start( char* line,
|
|
|
1990 |
unsigned long linelen,
|
|
|
1991 |
unsigned long lineno,
|
|
|
1992 |
void* call_data,
|
|
|
1993 |
void* client_data )
|
|
|
1994 |
{
|
|
|
1995 |
unsigned long slen;
|
|
|
1996 |
_bdf_line_func_t* next;
|
|
|
1997 |
_bdf_parse_t* p;
|
|
|
1998 |
bdf_font_t* font;
|
|
|
1999 |
char *s;
|
|
|
2000 |
|
|
|
2001 |
FT_Memory memory = NULL;
|
|
|
2002 |
FT_Error error = BDF_Err_Ok;
|
|
|
2003 |
|
|
|
2004 |
FT_UNUSED( lineno ); /* only used in debug mode */
|
|
|
2005 |
|
|
|
2006 |
|
|
|
2007 |
next = (_bdf_line_func_t *)call_data;
|
|
|
2008 |
p = (_bdf_parse_t *) client_data;
|
|
|
2009 |
|
|
|
2010 |
if ( p->font )
|
|
|
2011 |
memory = p->font->memory;
|
|
|
2012 |
|
|
|
2013 |
/* Check for a comment. This is done to handle those fonts that have */
|
|
|
2014 |
/* comments before the STARTFONT line for some reason. */
|
|
|
2015 |
if ( ft_memcmp( line, "COMMENT", 7 ) == 0 )
|
|
|
2016 |
{
|
|
|
2017 |
if ( p->opts->keep_comments != 0 && p->font != 0 )
|
|
|
2018 |
{
|
|
|
2019 |
linelen -= 7;
|
|
|
2020 |
|
|
|
2021 |
s = line + 7;
|
|
|
2022 |
if ( *s != 0 )
|
|
|
2023 |
{
|
|
|
2024 |
s++;
|
|
|
2025 |
linelen--;
|
|
|
2026 |
}
|
|
|
2027 |
|
|
|
2028 |
error = _bdf_add_comment( p->font, s, linelen );
|
|
|
2029 |
if ( error )
|
|
|
2030 |
goto Exit;
|
|
|
2031 |
/* here font is not defined! */
|
|
|
2032 |
}
|
|
|
2033 |
|
|
|
2034 |
goto Exit;
|
|
|
2035 |
}
|
|
|
2036 |
|
|
|
2037 |
if ( !( p->flags & _BDF_START ) )
|
|
|
2038 |
{
|
|
|
2039 |
memory = p->memory;
|
|
|
2040 |
|
|
|
2041 |
if ( ft_memcmp( line, "STARTFONT", 9 ) != 0 )
|
|
|
2042 |
{
|
|
|
2043 |
/* No STARTFONT field is a good indication of a problem. */
|
|
|
2044 |
error = BDF_Err_Missing_Startfont_Field;
|
|
|
2045 |
goto Exit;
|
|
|
2046 |
}
|
|
|
2047 |
|
|
|
2048 |
p->flags = _BDF_START;
|
|
|
2049 |
font = p->font = 0;
|
|
|
2050 |
|
|
|
2051 |
if ( FT_NEW( font ) )
|
|
|
2052 |
goto Exit;
|
|
|
2053 |
p->font = font;
|
|
|
2054 |
|
|
|
2055 |
font->memory = p->memory;
|
|
|
2056 |
p->memory = 0;
|
|
|
2057 |
|
|
|
2058 |
{ /* setup */
|
|
|
2059 |
size_t i;
|
|
|
2060 |
bdf_property_t* prop;
|
|
|
2061 |
|
|
|
2062 |
|
|
|
2063 |
error = hash_init( &(font->proptbl), memory );
|
|
|
2064 |
if ( error )
|
|
|
2065 |
goto Exit;
|
|
|
2066 |
for ( i = 0, prop = (bdf_property_t*)_bdf_properties;
|
|
|
2067 |
i < _num_bdf_properties; i++, prop++ )
|
|
|
2068 |
{
|
|
|
2069 |
error = hash_insert( prop->name, i,
|
|
|
2070 |
&(font->proptbl), memory );
|
|
|
2071 |
if ( error )
|
|
|
2072 |
goto Exit;
|
|
|
2073 |
}
|
|
|
2074 |
}
|
|
|
2075 |
|
|
|
2076 |
if ( FT_ALLOC( p->font->internal, sizeof ( hashtable ) ) )
|
|
|
2077 |
goto Exit;
|
|
|
2078 |
error = hash_init( (hashtable *)p->font->internal,memory );
|
|
|
2079 |
if ( error )
|
|
|
2080 |
goto Exit;
|
|
|
2081 |
p->font->spacing = p->opts->font_spacing;
|
|
|
2082 |
p->font->default_char = -1;
|
|
|
2083 |
|
|
|
2084 |
goto Exit;
|
|
|
2085 |
}
|
|
|
2086 |
|
|
|
2087 |
/* Check for the start of the properties. */
|
|
|
2088 |
if ( ft_memcmp( line, "STARTPROPERTIES", 15 ) == 0 )
|
|
|
2089 |
{
|
|
|
2090 |
if ( !( p->flags & _BDF_FONT_BBX ) )
|
|
|
2091 |
{
|
|
|
2092 |
/* Missing the FONTBOUNDINGBOX field. */
|
|
|
2093 |
FT_ERROR(( "_bdf_parse_start: " ERRMSG1, lineno, "FONTBOUNDINGBOX" ));
|
|
|
2094 |
error = BDF_Err_Missing_Fontboundingbox_Field;
|
|
|
2095 |
goto Exit;
|
|
|
2096 |
}
|
|
|
2097 |
|
|
|
2098 |
error = _bdf_list_split( &p->list, (char *)" +", line, linelen );
|
|
|
2099 |
if ( error )
|
|
|
2100 |
goto Exit;
|
|
|
2101 |
/* at this point, `p->font' can't be NULL */
|
|
|
2102 |
p->cnt = p->font->props_size = _bdf_atoul( p->list.field[1], 0, 10 );
|
|
|
2103 |
|
|
|
2104 |
if ( FT_NEW_ARRAY( p->font->props, p->cnt ) )
|
|
|
2105 |
goto Exit;
|
|
|
2106 |
|
|
|
2107 |
p->flags |= _BDF_PROPS;
|
|
|
2108 |
*next = _bdf_parse_properties;
|
|
|
2109 |
|
|
|
2110 |
goto Exit;
|
|
|
2111 |
}
|
|
|
2112 |
|
|
|
2113 |
/* Check for the FONTBOUNDINGBOX field. */
|
|
|
2114 |
if ( ft_memcmp( line, "FONTBOUNDINGBOX", 15 ) == 0 )
|
|
|
2115 |
{
|
|
|
2116 |
if ( !( p->flags & _BDF_SIZE ) )
|
|
|
2117 |
{
|
|
|
2118 |
/* Missing the SIZE field. */
|
|
|
2119 |
FT_ERROR(( "_bdf_parse_start: " ERRMSG1, lineno, "SIZE" ));
|
|
|
2120 |
error = BDF_Err_Missing_Size_Field;
|
|
|
2121 |
goto Exit;
|
|
|
2122 |
}
|
|
|
2123 |
|
|
|
2124 |
error = _bdf_list_split( &p->list, (char *)" +", line, linelen );
|
|
|
2125 |
if ( error )
|
|
|
2126 |
goto Exit;
|
|
|
2127 |
|
|
|
2128 |
p->font->bbx.width = _bdf_atos( p->list.field[1], 0, 10 );
|
|
|
2129 |
p->font->bbx.height = _bdf_atos( p->list.field[2], 0, 10 );
|
|
|
2130 |
|
|
|
2131 |
p->font->bbx.x_offset = _bdf_atos( p->list.field[3], 0, 10 );
|
|
|
2132 |
p->font->bbx.y_offset = _bdf_atos( p->list.field[4], 0, 10 );
|
|
|
2133 |
|
|
|
2134 |
p->font->bbx.ascent = (short)( p->font->bbx.height +
|
|
|
2135 |
p->font->bbx.y_offset );
|
|
|
2136 |
|
|
|
2137 |
p->font->bbx.descent = (short)( -p->font->bbx.y_offset );
|
|
|
2138 |
|
|
|
2139 |
p->flags |= _BDF_FONT_BBX;
|
|
|
2140 |
|
|
|
2141 |
goto Exit;
|
|
|
2142 |
}
|
|
|
2143 |
|
|
|
2144 |
/* The next thing to check for is the FONT field. */
|
|
|
2145 |
if ( ft_memcmp( line, "FONT", 4 ) == 0 )
|
|
|
2146 |
{
|
|
|
2147 |
error = _bdf_list_split( &p->list, (char *)" +", line, linelen );
|
|
|
2148 |
if ( error )
|
|
|
2149 |
goto Exit;
|
|
|
2150 |
_bdf_list_shift( &p->list, 1 );
|
|
|
2151 |
|
|
|
2152 |
s = _bdf_list_join( &p->list, ' ', &slen );
|
|
|
2153 |
|
|
|
2154 |
if ( !s )
|
|
|
2155 |
{
|
|
|
2156 |
error = BDF_Err_Invalid_File_Format;
|
|
|
2157 |
goto Exit;
|
|
|
2158 |
}
|
|
|
2159 |
|
|
|
2160 |
/* Allowing multiple `FONT' lines (which is invalid) doesn't hurt... */
|
|
|
2161 |
FT_FREE( p->font->name );
|
|
|
2162 |
|
|
|
2163 |
if ( FT_NEW_ARRAY( p->font->name, slen + 1 ) )
|
|
|
2164 |
goto Exit;
|
|
|
2165 |
FT_MEM_COPY( p->font->name, s, slen + 1 );
|
|
|
2166 |
|
|
|
2167 |
/* If the font name is an XLFD name, set the spacing to the one in */
|
|
|
2168 |
/* the font name. If there is no spacing fall back on the default. */
|
|
|
2169 |
error = _bdf_set_default_spacing( p->font, p->opts );
|
|
|
2170 |
if ( error )
|
|
|
2171 |
goto Exit;
|
|
|
2172 |
|
|
|
2173 |
p->flags |= _BDF_FONT_NAME;
|
|
|
2174 |
|
|
|
2175 |
goto Exit;
|
|
|
2176 |
}
|
|
|
2177 |
|
|
|
2178 |
/* Check for the SIZE field. */
|
|
|
2179 |
if ( ft_memcmp( line, "SIZE", 4 ) == 0 )
|
|
|
2180 |
{
|
|
|
2181 |
if ( !( p->flags & _BDF_FONT_NAME ) )
|
|
|
2182 |
{
|
|
|
2183 |
/* Missing the FONT field. */
|
|
|
2184 |
FT_ERROR(( "_bdf_parse_start: " ERRMSG1, lineno, "FONT" ));
|
|
|
2185 |
error = BDF_Err_Missing_Font_Field;
|
|
|
2186 |
goto Exit;
|
|
|
2187 |
}
|
|
|
2188 |
|
|
|
2189 |
error = _bdf_list_split( &p->list, (char *)" +", line, linelen );
|
|
|
2190 |
if ( error )
|
|
|
2191 |
goto Exit;
|
|
|
2192 |
|
|
|
2193 |
p->font->point_size = _bdf_atoul( p->list.field[1], 0, 10 );
|
|
|
2194 |
p->font->resolution_x = _bdf_atoul( p->list.field[2], 0, 10 );
|
|
|
2195 |
p->font->resolution_y = _bdf_atoul( p->list.field[3], 0, 10 );
|
|
|
2196 |
|
|
|
2197 |
/* Check for the bits per pixel field. */
|
|
|
2198 |
if ( p->list.used == 5 )
|
|
|
2199 |
{
|
|
|
2200 |
unsigned short bitcount, i, shift;
|
|
|
2201 |
|
|
|
2202 |
|
|
|
2203 |
p->font->bpp = (unsigned short)_bdf_atos( p->list.field[4], 0, 10 );
|
|
|
2204 |
|
|
|
2205 |
/* Only values 1, 2, 4, 8 are allowed. */
|
|
|
2206 |
shift = p->font->bpp;
|
|
|
2207 |
bitcount = 0;
|
|
|
2208 |
for ( i = 0; shift > 0; i++ )
|
|
|
2209 |
{
|
|
|
2210 |
if ( shift & 1 )
|
|
|
2211 |
bitcount = i;
|
|
|
2212 |
shift >>= 1;
|
|
|
2213 |
}
|
|
|
2214 |
|
|
|
2215 |
shift = (short)( ( bitcount > 3 ) ? 8 : ( 1 << bitcount ) );
|
|
|
2216 |
|
|
|
2217 |
if ( p->font->bpp > shift || p->font->bpp != shift )
|
|
|
2218 |
{
|
|
|
2219 |
/* select next higher value */
|
|
|
2220 |
p->font->bpp = (unsigned short)( shift << 1 );
|
|
|
2221 |
FT_TRACE2(( "_bdf_parse_start: " ACMSG11, p->font->bpp ));
|
|
|
2222 |
}
|
|
|
2223 |
}
|
|
|
2224 |
else
|
|
|
2225 |
p->font->bpp = 1;
|
|
|
2226 |
|
|
|
2227 |
p->flags |= _BDF_SIZE;
|
|
|
2228 |
|
|
|
2229 |
goto Exit;
|
|
|
2230 |
}
|
|
|
2231 |
|
|
|
2232 |
/* Check for the CHARS field -- font properties are optional */
|
|
|
2233 |
if ( ft_memcmp( line, "CHARS", 5 ) == 0 )
|
|
|
2234 |
{
|
|
|
2235 |
char nbuf[128];
|
|
|
2236 |
|
|
|
2237 |
|
|
|
2238 |
if ( !( p->flags & _BDF_FONT_BBX ) )
|
|
|
2239 |
{
|
|
|
2240 |
/* Missing the FONTBOUNDINGBOX field. */
|
|
|
2241 |
FT_ERROR(( "_bdf_parse_start: " ERRMSG1, lineno, "FONTBOUNDINGBOX" ));
|
|
|
2242 |
error = BDF_Err_Missing_Fontboundingbox_Field;
|
|
|
2243 |
goto Exit;
|
|
|
2244 |
}
|
|
|
2245 |
|
|
|
2246 |
/* Add the two standard X11 properties which are required */
|
|
|
2247 |
/* for compiling fonts. */
|
|
|
2248 |
p->font->font_ascent = p->font->bbx.ascent;
|
|
|
2249 |
ft_sprintf( nbuf, "%hd", p->font->bbx.ascent );
|
|
|
2250 |
error = _bdf_add_property( p->font, (char *)"FONT_ASCENT", nbuf );
|
|
|
2251 |
if ( error )
|
|
|
2252 |
goto Exit;
|
|
|
2253 |
FT_TRACE2(( "_bdf_parse_properties: " ACMSG1, p->font->bbx.ascent ));
|
|
|
2254 |
|
|
|
2255 |
p->font->font_descent = p->font->bbx.descent;
|
|
|
2256 |
ft_sprintf( nbuf, "%hd", p->font->bbx.descent );
|
|
|
2257 |
error = _bdf_add_property( p->font, (char *)"FONT_DESCENT", nbuf );
|
|
|
2258 |
if ( error )
|
|
|
2259 |
goto Exit;
|
|
|
2260 |
FT_TRACE2(( "_bdf_parse_properties: " ACMSG2, p->font->bbx.descent ));
|
|
|
2261 |
|
|
|
2262 |
p->font->modified = 1;
|
|
|
2263 |
|
|
|
2264 |
*next = _bdf_parse_glyphs;
|
|
|
2265 |
|
|
|
2266 |
/* A special return value. */
|
|
|
2267 |
error = -1;
|
|
|
2268 |
goto Exit;
|
|
|
2269 |
}
|
|
|
2270 |
|
|
|
2271 |
error = BDF_Err_Invalid_File_Format;
|
|
|
2272 |
|
|
|
2273 |
Exit:
|
|
|
2274 |
return error;
|
|
|
2275 |
}
|
|
|
2276 |
|
|
|
2277 |
|
|
|
2278 |
/*************************************************************************/
|
|
|
2279 |
/* */
|
|
|
2280 |
/* API. */
|
|
|
2281 |
/* */
|
|
|
2282 |
/*************************************************************************/
|
|
|
2283 |
|
|
|
2284 |
|
|
|
2285 |
FT_LOCAL_DEF( FT_Error )
|
|
|
2286 |
bdf_load_font( FT_Stream stream,
|
|
|
2287 |
FT_Memory extmemory,
|
|
|
2288 |
bdf_options_t* opts,
|
|
|
2289 |
bdf_font_t* *font )
|
|
|
2290 |
{
|
|
|
2291 |
unsigned long lineno = 0; /* make compiler happy */
|
|
|
2292 |
_bdf_parse_t *p = NULL;
|
|
|
2293 |
|
|
|
2294 |
FT_Memory memory = extmemory;
|
|
|
2295 |
FT_Error error = BDF_Err_Ok;
|
|
|
2296 |
|
|
|
2297 |
|
|
|
2298 |
if ( FT_NEW( p ) )
|
|
|
2299 |
goto Exit;
|
|
|
2300 |
|
|
|
2301 |
memory = NULL;
|
|
|
2302 |
p->opts = (bdf_options_t*)( ( opts != 0 ) ? opts : &_bdf_opts );
|
|
|
2303 |
p->minlb = 32767;
|
|
|
2304 |
p->memory = extmemory; /* only during font creation */
|
|
|
2305 |
|
|
|
2306 |
_bdf_list_init( &p->list, extmemory );
|
|
|
2307 |
|
|
|
2308 |
error = _bdf_readstream( stream, _bdf_parse_start,
|
|
|
2309 |
(void *)p, &lineno );
|
|
|
2310 |
if ( error )
|
|
|
2311 |
goto Fail;
|
|
|
2312 |
|
|
|
2313 |
if ( p->font != 0 )
|
|
|
2314 |
{
|
|
|
2315 |
/* If the font is not proportional, set the font's monowidth */
|
|
|
2316 |
/* field to the width of the font bounding box. */
|
|
|
2317 |
memory = p->font->memory;
|
|
|
2318 |
|
|
|
2319 |
if ( p->font->spacing != BDF_PROPORTIONAL )
|
|
|
2320 |
p->font->monowidth = p->font->bbx.width;
|
|
|
2321 |
|
|
|
2322 |
/* If the number of glyphs loaded is not that of the original count, */
|
|
|
2323 |
/* indicate the difference. */
|
|
|
2324 |
if ( p->cnt != p->font->glyphs_used + p->font->unencoded_used )
|
|
|
2325 |
{
|
|
|
2326 |
FT_TRACE2(( "bdf_load_font: " ACMSG15, p->cnt,
|
|
|
2327 |
p->font->glyphs_used + p->font->unencoded_used ));
|
|
|
2328 |
p->font->modified = 1;
|
|
|
2329 |
}
|
|
|
2330 |
|
|
|
2331 |
/* Once the font has been loaded, adjust the overall font metrics if */
|
|
|
2332 |
/* necessary. */
|
|
|
2333 |
if ( p->opts->correct_metrics != 0 &&
|
|
|
2334 |
( p->font->glyphs_used > 0 || p->font->unencoded_used > 0 ) )
|
|
|
2335 |
{
|
|
|
2336 |
if ( p->maxrb - p->minlb != p->font->bbx.width )
|
|
|
2337 |
{
|
|
|
2338 |
FT_TRACE2(( "bdf_load_font: " ACMSG3,
|
|
|
2339 |
p->font->bbx.width, p->maxrb - p->minlb ));
|
|
|
2340 |
p->font->bbx.width = (unsigned short)( p->maxrb - p->minlb );
|
|
|
2341 |
p->font->modified = 1;
|
|
|
2342 |
}
|
|
|
2343 |
|
|
|
2344 |
if ( p->font->bbx.x_offset != p->minlb )
|
|
|
2345 |
{
|
|
|
2346 |
FT_TRACE2(( "bdf_load_font: " ACMSG4,
|
|
|
2347 |
p->font->bbx.x_offset, p->minlb ));
|
|
|
2348 |
p->font->bbx.x_offset = p->minlb;
|
|
|
2349 |
p->font->modified = 1;
|
|
|
2350 |
}
|
|
|
2351 |
|
|
|
2352 |
if ( p->font->bbx.ascent != p->maxas )
|
|
|
2353 |
{
|
|
|
2354 |
FT_TRACE2(( "bdf_load_font: " ACMSG5,
|
|
|
2355 |
p->font->bbx.ascent, p->maxas ));
|
|
|
2356 |
p->font->bbx.ascent = p->maxas;
|
|
|
2357 |
p->font->modified = 1;
|
|
|
2358 |
}
|
|
|
2359 |
|
|
|
2360 |
if ( p->font->bbx.descent != p->maxds )
|
|
|
2361 |
{
|
|
|
2362 |
FT_TRACE2(( "bdf_load_font: " ACMSG6,
|
|
|
2363 |
p->font->bbx.descent, p->maxds ));
|
|
|
2364 |
p->font->bbx.descent = p->maxds;
|
|
|
2365 |
p->font->bbx.y_offset = (short)( -p->maxds );
|
|
|
2366 |
p->font->modified = 1;
|
|
|
2367 |
}
|
|
|
2368 |
|
|
|
2369 |
if ( p->maxas + p->maxds != p->font->bbx.height )
|
|
|
2370 |
{
|
|
|
2371 |
FT_TRACE2(( "bdf_load_font: " ACMSG7,
|
|
|
2372 |
p->font->bbx.height, p->maxas + p->maxds ));
|
|
|
2373 |
p->font->bbx.height = (unsigned short)( p->maxas + p->maxds );
|
|
|
2374 |
}
|
|
|
2375 |
|
|
|
2376 |
if ( p->flags & _BDF_SWIDTH_ADJ )
|
|
|
2377 |
FT_TRACE2(( "bdf_load_font: " ACMSG8 ));
|
|
|
2378 |
}
|
|
|
2379 |
}
|
|
|
2380 |
|
|
|
2381 |
if ( p->flags & _BDF_START )
|
|
|
2382 |
{
|
|
|
2383 |
{
|
|
|
2384 |
/* The ENDFONT field was never reached or did not exist. */
|
|
|
2385 |
if ( !( p->flags & _BDF_GLYPHS ) )
|
|
|
2386 |
{
|
|
|
2387 |
/* Error happened while parsing header. */
|
|
|
2388 |
FT_ERROR(( "bdf_load_font: " ERRMSG2, lineno ));
|
|
|
2389 |
error = BDF_Err_Corrupted_Font_Header;
|
|
|
2390 |
goto Exit;
|
|
|
2391 |
}
|
|
|
2392 |
else
|
|
|
2393 |
{
|
|
|
2394 |
/* Error happened when parsing glyphs. */
|
|
|
2395 |
FT_ERROR(( "bdf_load_font: " ERRMSG3, lineno ));
|
|
|
2396 |
error = BDF_Err_Corrupted_Font_Glyphs;
|
|
|
2397 |
goto Exit;
|
|
|
2398 |
}
|
|
|
2399 |
}
|
|
|
2400 |
}
|
|
|
2401 |
|
|
|
2402 |
if ( p->font != 0 )
|
|
|
2403 |
{
|
|
|
2404 |
/* Make sure the comments are NULL terminated if they exist. */
|
|
|
2405 |
memory = p->font->memory;
|
|
|
2406 |
|
|
|
2407 |
if ( p->font->comments_len > 0 )
|
|
|
2408 |
{
|
|
|
2409 |
if ( FT_RENEW_ARRAY( p->font->comments,
|
|
|
2410 |
p->font->comments_len,
|
|
|
2411 |
p->font->comments_len + 1 ) )
|
|
|
2412 |
goto Fail;
|
|
|
2413 |
|
|
|
2414 |
p->font->comments[p->font->comments_len] = 0;
|
|
|
2415 |
}
|
|
|
2416 |
}
|
|
|
2417 |
else if ( error == BDF_Err_Ok )
|
|
|
2418 |
error = BDF_Err_Invalid_File_Format;
|
|
|
2419 |
|
|
|
2420 |
*font = p->font;
|
|
|
2421 |
|
|
|
2422 |
Exit:
|
|
|
2423 |
if ( p )
|
|
|
2424 |
{
|
|
|
2425 |
_bdf_list_done( &p->list );
|
|
|
2426 |
|
|
|
2427 |
memory = extmemory;
|
|
|
2428 |
|
|
|
2429 |
FT_FREE( p );
|
|
|
2430 |
}
|
|
|
2431 |
|
|
|
2432 |
return error;
|
|
|
2433 |
|
|
|
2434 |
Fail:
|
|
|
2435 |
bdf_free_font( p->font );
|
|
|
2436 |
|
|
|
2437 |
memory = extmemory;
|
|
|
2438 |
|
|
|
2439 |
FT_FREE( p->font );
|
|
|
2440 |
|
|
|
2441 |
goto Exit;
|
|
|
2442 |
}
|
|
|
2443 |
|
|
|
2444 |
|
|
|
2445 |
FT_LOCAL_DEF( void )
|
|
|
2446 |
bdf_free_font( bdf_font_t* font )
|
|
|
2447 |
{
|
|
|
2448 |
bdf_property_t* prop;
|
|
|
2449 |
unsigned long i;
|
|
|
2450 |
bdf_glyph_t* glyphs;
|
|
|
2451 |
FT_Memory memory;
|
|
|
2452 |
|
|
|
2453 |
|
|
|
2454 |
if ( font == 0 )
|
|
|
2455 |
return;
|
|
|
2456 |
|
|
|
2457 |
memory = font->memory;
|
|
|
2458 |
|
|
|
2459 |
FT_FREE( font->name );
|
|
|
2460 |
|
|
|
2461 |
/* Free up the internal hash table of property names. */
|
|
|
2462 |
if ( font->internal )
|
|
|
2463 |
{
|
|
|
2464 |
hash_free( (hashtable *)font->internal, memory );
|
|
|
2465 |
FT_FREE( font->internal );
|
|
|
2466 |
}
|
|
|
2467 |
|
|
|
2468 |
/* Free up the comment info. */
|
|
|
2469 |
FT_FREE( font->comments );
|
|
|
2470 |
|
|
|
2471 |
/* Free up the properties. */
|
|
|
2472 |
for ( i = 0; i < font->props_size; i++ )
|
|
|
2473 |
{
|
|
|
2474 |
if ( font->props[i].format == BDF_ATOM )
|
|
|
2475 |
FT_FREE( font->props[i].value.atom );
|
|
|
2476 |
}
|
|
|
2477 |
|
|
|
2478 |
FT_FREE( font->props );
|
|
|
2479 |
|
|
|
2480 |
/* Free up the character info. */
|
|
|
2481 |
for ( i = 0, glyphs = font->glyphs;
|
|
|
2482 |
i < font->glyphs_used; i++, glyphs++ )
|
|
|
2483 |
{
|
|
|
2484 |
FT_FREE( glyphs->name );
|
|
|
2485 |
FT_FREE( glyphs->bitmap );
|
|
|
2486 |
}
|
|
|
2487 |
|
|
|
2488 |
for ( i = 0, glyphs = font->unencoded; i < font->unencoded_used;
|
|
|
2489 |
i++, glyphs++ )
|
|
|
2490 |
{
|
|
|
2491 |
FT_FREE( glyphs->name );
|
|
|
2492 |
FT_FREE( glyphs->bitmap );
|
|
|
2493 |
}
|
|
|
2494 |
|
|
|
2495 |
FT_FREE( font->glyphs );
|
|
|
2496 |
FT_FREE( font->unencoded );
|
|
|
2497 |
|
|
|
2498 |
/* Free up the overflow storage if it was used. */
|
|
|
2499 |
for ( i = 0, glyphs = font->overflow.glyphs;
|
|
|
2500 |
i < font->overflow.glyphs_used; i++, glyphs++ )
|
|
|
2501 |
{
|
|
|
2502 |
FT_FREE( glyphs->name );
|
|
|
2503 |
FT_FREE( glyphs->bitmap );
|
|
|
2504 |
}
|
|
|
2505 |
|
|
|
2506 |
FT_FREE( font->overflow.glyphs );
|
|
|
2507 |
|
|
|
2508 |
/* bdf_cleanup */
|
|
|
2509 |
hash_free( &(font->proptbl), memory );
|
|
|
2510 |
|
|
|
2511 |
/* Free up the user defined properties. */
|
|
|
2512 |
for ( prop = font->user_props, i = 0;
|
|
|
2513 |
i < font->nuser_props; i++, prop++ )
|
|
|
2514 |
{
|
|
|
2515 |
FT_FREE( prop->name );
|
|
|
2516 |
if ( prop->format == BDF_ATOM )
|
|
|
2517 |
FT_FREE( prop->value.atom );
|
|
|
2518 |
}
|
|
|
2519 |
|
|
|
2520 |
FT_FREE( font->user_props );
|
|
|
2521 |
|
|
|
2522 |
/* FREE( font ); */ /* XXX Fixme */
|
|
|
2523 |
}
|
|
|
2524 |
|
|
|
2525 |
|
|
|
2526 |
FT_LOCAL_DEF( bdf_property_t * )
|
|
|
2527 |
bdf_get_font_property( bdf_font_t* font,
|
|
|
2528 |
const char* name )
|
|
|
2529 |
{
|
|
|
2530 |
hashnode hn;
|
|
|
2531 |
|
|
|
2532 |
|
|
|
2533 |
if ( font == 0 || font->props_size == 0 || name == 0 || *name == 0 )
|
|
|
2534 |
return 0;
|
|
|
2535 |
|
|
|
2536 |
hn = hash_lookup( name, (hashtable *)font->internal );
|
|
|
2537 |
|
|
|
2538 |
return hn ? ( font->props + hn->data ) : 0;
|
|
|
2539 |
}
|
|
|
2540 |
|
|
|
2541 |
|
|
|
2542 |
/* END */
|