* src/tools/ftrandom/*: Add the `ftrandom' test program written by
George Williams (with some modifications).
This commit is contained in:
Werner Lemberg
parent
3d507fefe8
commit
99a320b431
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@ -1,3 +1,8 @@
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2007-06-03 Werner Lemberg <wl@gnu.org>
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* src/tools/ftrandom/*: Add the `ftrandom' test program written by
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George Williams (with some modifications).
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2007-06-03 Werner Lemberg <wl@gnu.org>
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* src/base/ftobjs.c (destroy_charmaps), src/type1/t1objs.c
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@ -0,0 +1,35 @@
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# TOP_DIR and OBJ_DIR should be set by the user to the right directories,
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# if necessary.
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TOP_DIR ?= ../../..
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OBJ_DIR ?= $(TOP_DIR)/objs
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SRC_DIR = $(TOP_DIR)/src/tools/ftrandom
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CC = gcc
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WFLAGS = -Wmissing-prototypes \
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-Wunused \
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-Wimplicit \
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-Wreturn-type \
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-Wparentheses \
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-pedantic \
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-Wformat \
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-Wchar-subscripts \
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-Wsequence-point
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CFLAGS = $(WFLAGS) \
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-g \
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-I $(TOP_DIR)/include
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LIBS = -lm \
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-L $(OBJ_DIR) \
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-lfreetype \
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-lz
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all: ftrandom fttest
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ftrandom: $(SRC_DIR)/ftrandom.c $(SRC_DIR)/fttest.c
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$(CC) -o $(OBJ_DIR)/ftrandom $(CFLAGS) $(SRC_DIR)/ftrandom.c $(LIBS)
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fttest: $(SRC_DIR)/fttest.c
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$(CC) -o $(OBJ_DIR)/fttest -DSTANDALONE $(CFLAGS) $(SRC_DIR)/fttest.c $(LIBS)
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# EOF
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@ -0,0 +1,532 @@
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/* Copyright (C) 2005 by George Williams */
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/*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright notice, this
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* list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
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* EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/* modified by Werner Lemberg <wl@gnu.org> */
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/* This file is now part of the FreeType library */
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <strings.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <sys/wait.h>
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#include <unistd.h>
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#include <dirent.h>
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#include <math.h>
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#include <signal.h>
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#include <time.h>
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#include <ft2build.h>
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#include FT_FREETYPE_H
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#include FT_OUTLINE_H
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#define true 1
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#define false 0
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#define forever for (;;)
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static int check_outlines = false;
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static int nohints = false;
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static int rasterize = false;
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static char* results_dir = "results";
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#define GOOD_FONTS_DIR "/home/wl/freetype-testfonts"
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static char* default_dir_list[] =
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{
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GOOD_FONTS_DIR,
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NULL
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};
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static char* default_ext_list[] =
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{
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"ttf",
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"otf",
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"ttc",
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"cid",
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"pfb",
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"pfa",
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"bdf",
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"pcf",
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"pfr",
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"fon",
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"otb",
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"cff",
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NULL
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};
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static int error_count = 1;
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static int error_fraction = 0;
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static struct fontlist
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{
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char* name;
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int len;
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unsigned int isbinary: 1;
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unsigned int isascii: 1;
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unsigned int ishex: 1;
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} *fontlist;
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static int fcnt;
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static int
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extmatch( char* filename,
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char** extensions )
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{
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int i;
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char* pt;
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if ( extensions == NULL )
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return true;
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pt = strrchr( filename, '.' );
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if ( pt == NULL )
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return false;
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if ( pt < strrchr( filename, '/' ) )
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return false;
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for ( i = 0; extensions[i] != NULL; ++i )
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if ( strcasecmp( pt + 1, extensions[i] ) == 0 ||
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strcasecmp( pt, extensions[i] ) == 0 )
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return true;
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return false;
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}
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static void
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figurefiletype( struct fontlist* item )
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{
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FILE* foo;
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item->isbinary = item->isascii = item->ishex = false;
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foo = fopen( item->name, "rb" );
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if ( foo != NULL )
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{
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/* Try to guess the file type from the first few characters... */
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int ch1 = getc( foo );
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int ch2 = getc( foo );
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int ch3 = getc( foo );
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int ch4 = getc( foo );
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fclose( foo );
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if ( ( ch1 == 0 && ch2 == 1 && ch3 == 0 && ch4 == 0 ) ||
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( ch1 == 'O' && ch2 == 'T' && ch3 == 'T' && ch4 == 'O' ) ||
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( ch1 == 't' && ch2 == 'r' && ch3 == 'u' && ch4 == 'e' ) ||
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( ch1 == 't' && ch2 == 't' && ch3 == 'c' && ch4 == 'f' ) )
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{
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/* ttf, otf, ttc files */
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item->isbinary = true;
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}
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else if ( ch1 == 0x80 && ch2 == '\01' )
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{
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/* PFB header */
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item->isbinary = true;
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}
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else if ( ch1 == '%' && ch2 == '!' )
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{
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/* Random PostScript */
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if ( strstr( item->name, ".pfa" ) != NULL ||
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strstr( item->name, ".PFA" ) != NULL )
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item->ishex = true;
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else
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item->isascii = true;
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}
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else if ( ch1 == 1 && ch2 == 0 && ch3 == 4 )
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{
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/* Bare CFF */
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item->isbinary = true;
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}
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else if ( ch1 == 'S' && ch2 == 'T' && ch3 == 'A' && ch4 == 'R' )
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{
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/* BDF */
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item->ishex = true;
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}
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else if ( ch1 == 'P' && ch2 == 'F' && ch3 == 'R' && ch4 == '0' )
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{
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/* PFR */
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item->isbinary = true;
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}
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else if ( ( ch1 == '\1' && ch2 == 'f' && ch3 == 'c' && ch4 == 'p' ) ||
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( ch1 == 'M' && ch2 == 'Z' ) )
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{
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/* Windows FON */
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item->isbinary = true;
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}
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else
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{
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fprintf( stderr,
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"Can't recognize file type of `%s', assuming binary\n",
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item->name );
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item->isbinary = true;
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}
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}
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else
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{
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fprintf( stderr, "Can't open `%s' for typing the file.\n",
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item->name );
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item->isbinary = true;
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}
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}
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static void
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FindFonts( char** fontdirs,
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char** extensions )
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{
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DIR* examples;
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struct dirent* ent;
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int i, max;
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char buffer[1025];
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struct stat statb;
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max = 0;
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fcnt = 0;
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for ( i = 0; fontdirs[i] != NULL; ++i )
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{
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examples = opendir( fontdirs[i] );
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if ( examples == NULL )
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{
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fprintf( stderr,
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"Can't open example font directory `%s'\n",
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fontdirs[i] );
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exit( 1 );
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}
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while ( ( ent = readdir( examples ) ) != NULL )
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{
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snprintf( buffer, sizeof ( buffer ),
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"%s/%s", fontdirs[i], ent->d_name );
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if ( stat( buffer, &statb ) == -1 || S_ISDIR( statb.st_mode ) )
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continue;
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if ( extensions == NULL || extmatch( buffer, extensions ) )
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{
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if ( fcnt >= max )
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{
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max += 100;
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fontlist = realloc( fontlist, max * sizeof ( struct fontlist ) );
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if ( fontlist == NULL )
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{
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fprintf( stderr, "Can't allocate memory\n" );
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exit( 1 );
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}
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}
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fontlist[fcnt].name = strdup( buffer );
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fontlist[fcnt].len = statb.st_size;
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figurefiletype( &fontlist[fcnt] );
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++fcnt;
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}
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}
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closedir( examples );
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}
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if ( fcnt == 0 )
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{
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fprintf( stderr, "Can't find matching font files.\n" );
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exit( 1 );
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}
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fontlist[fcnt].name = NULL;
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}
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static int
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getErrorCnt( struct fontlist* item )
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{
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if ( error_count == 0 && error_fraction == 0 )
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return 0;
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return error_count + ceil( error_fraction * item->len );
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}
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static int
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getRandom( int low,
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int high )
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{
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if ( low - high < 0x10000L )
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return low + ( ( random() >> 8 ) % ( high + 1 - low ) );
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return low + ( random() % ( high + 1 - low ) );
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}
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static int
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copyfont( struct fontlist* item,
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char* newfont )
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{
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static char buffer[8096];
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FILE *good, *new;
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int len;
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int i, err_cnt;
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good = fopen( item->name, "r" );
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if ( good == NULL )
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{
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fprintf( stderr, "Can't open `%s'\n", item->name );
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return false;
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}
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new = fopen( newfont, "w+" );
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if ( new == NULL )
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{
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fprintf( stderr, "Can't create temporary output file `%s'\n",
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newfont );
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exit( 1 );
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}
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while ( ( len = fread( buffer, 1, sizeof ( buffer ), good ) ) > 0 )
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fwrite( buffer, 1, len, new );
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fclose( good );
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err_cnt = getErrorCnt( item );
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for ( i = 0; i < err_cnt; ++i )
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{
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fseek( new, getRandom( 0, item->len - 1 ), SEEK_SET );
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if ( item->isbinary )
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putc( getRandom( 0, 0xff ), new );
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else if ( item->isascii )
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putc( getRandom( 0x20, 0x7e ), new );
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else
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{
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int hex = getRandom( 0, 15 );
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if ( hex < 10 )
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hex += '0';
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else
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hex += 'A' - 10;
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putc( hex, new );
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}
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}
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if ( ferror( new ) )
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{
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fclose( new );
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unlink( newfont );
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return false;
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}
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fclose( new );
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return true;
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}
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#include "fttest.c"
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static int child_pid;
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static void
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abort_test( int sig )
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{
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/* If a time-out happens, then kill the child */
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kill( child_pid, SIGFPE );
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write( 2, "Timeout... ", 11 );
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}
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static void
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do_test( void )
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{
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int i = getRandom( 0, fcnt - 1 );
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static int test_num = 0;
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char buffer[1024];
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sprintf( buffer, "%s/test%d", results_dir, test_num++ );
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if ( copyfont ( &fontlist[i], buffer ) )
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{
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signal( SIGALRM, abort_test );
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/* Anything that takes more than 20 seconds */
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/* to parse and/or rasterize is an error. */
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alarm( 20 );
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if ( ( child_pid = fork() ) == 0 )
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ExecuteTest( buffer );
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else if ( child_pid != -1 )
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{
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int status;
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waitpid( child_pid, &status, 0 );
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alarm( 0 );
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if ( WIFSIGNALED ( status ) )
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printf( "Error found in file `%s'\n", buffer );
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else
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unlink( buffer );
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}
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else
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{
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fprintf( stderr, "Can't fork test case.\n" );
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exit( 1 );
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}
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alarm( 0 );
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}
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}
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static void
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usage( FILE* out,
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char* name )
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{
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fprintf( out, "%s [options] -- Generate random erroneous fonts\n"
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" and attempt to parse them with FreeType.\n\n", name );
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fprintf( out, " --all All non-directory files are assumed to be fonts.\n" );
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fprintf( out, " --check-outlines Make sure we can parse the outlines of each glyph.\n" );
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fprintf( out, " --dir <path> Append <path> to list of font search directories.\n" );
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fprintf( out, " --error-count <cnt> Introduce <cnt> single byte errors into each font.\n" );
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fprintf( out, " --error-fraction <frac> Introduce <frac>*filesize single byte errors\n"
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" into each font.\n" );
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fprintf( out, " --ext <ext> Add <ext> to list of extensions indicating fonts.\n" );
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fprintf( out, " --help Print this.\n" );
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fprintf( out, " --nohints Turn off hinting.\n" );
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fprintf( out, " --rasterize Attempt to rasterize each glyph.\n" );
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fprintf( out, " --results <dir> Directory in which to place the test fonts.\n" );
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fprintf( out, " --test <file> Run a single test on an already existing file.\n" );
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}
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int
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main( int argc,
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char** argv )
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{
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char **dirs, **exts;
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char *pt, *end;
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int dcnt = 0, ecnt = 0, rset = false, allexts = false;
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int i;
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time_t now;
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char* testfile = NULL;
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dirs = calloc( argc + 1, sizeof ( char ** ) );
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exts = calloc( argc + 1, sizeof ( char ** ) );
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for ( i = 1; i < argc; ++i )
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{
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pt = argv[i];
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if ( pt[0] == '-' && pt[1] == '-' )
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++pt;
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if ( strcmp( pt, "-all" ) == 0 )
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allexts = true;
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else if ( strcmp( pt, "-check-outlines" ) == 0 )
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check_outlines = true;
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else if ( strcmp( pt, "-dir" ) == 0 )
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dirs[dcnt++] = argv[++i];
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else if ( strcmp( pt, "-error-count" ) == 0 )
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||||
{
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if ( !rset )
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error_fraction = 0;
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rset = true;
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error_count = strtol( argv[++i], &end, 10 );
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if ( *end != '\0' )
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{
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fprintf( stderr, "Bad value for error-count: %s\n", argv[i] );
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exit( 1 );
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}
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}
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else if ( strcmp( pt, "-error-fraction" ) == 0 )
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{
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if ( !rset )
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error_count = 0;
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rset = true;
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||||
error_fraction = strtod( argv[++i], &end );
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if ( *end != '\0' )
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{
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fprintf( stderr, "Bad value for error-fraction: %s\n", argv[i] );
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exit( 1 );
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||||
}
|
||||
}
|
||||
else if ( strcmp( pt, "-ext" ) == 0 )
|
||||
exts[ecnt++] = argv[++i];
|
||||
else if ( strcmp( pt, "-help" ) == 0 )
|
||||
{
|
||||
usage( stdout, argv[0] );
|
||||
exit( 0 );
|
||||
}
|
||||
else if ( strcmp( pt, "-nohints" ) == 0 )
|
||||
nohints = true;
|
||||
else if ( strcmp( pt, "-rasterize" ) == 0 )
|
||||
rasterize = true;
|
||||
else if ( strcmp( pt, "-results" ) == 0 )
|
||||
results_dir = argv[++i];
|
||||
else if ( strcmp( pt, "-test" ) == 0 )
|
||||
testfile = argv[++i];
|
||||
else
|
||||
{
|
||||
usage( stderr, argv[0] );
|
||||
exit( 1 );
|
||||
}
|
||||
}
|
||||
|
||||
if ( allexts )
|
||||
exts = NULL;
|
||||
else if ( ecnt == 0 )
|
||||
exts = default_ext_list;
|
||||
|
||||
if ( dcnt == 0 )
|
||||
dirs = default_dir_list;
|
||||
|
||||
if ( testfile != NULL )
|
||||
ExecuteTest( testfile ); /* This should never return */
|
||||
|
||||
time( &now );
|
||||
srandom( now );
|
||||
|
||||
FindFonts( dirs, exts );
|
||||
mkdir( results_dir, 0755 );
|
||||
|
||||
forever
|
||||
do_test();
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
||||
/* EOF */
|
||||
|
|
@ -0,0 +1,238 @@
|
|||
/* Copyright (C) 2005 by George Williams */
|
||||
/*
|
||||
* Redistribution and use in source and binary forms, with or without
|
||||
* modification, are permitted provided that the following conditions are met:
|
||||
|
||||
* Redistributions of source code must retain the above copyright notice, this
|
||||
* list of conditions and the following disclaimer.
|
||||
|
||||
* Redistributions in binary form must reproduce the above copyright notice,
|
||||
* this list of conditions and the following disclaimer in the documentation
|
||||
* and/or other materials provided with the distribution.
|
||||
|
||||
* The name of the author may not be used to endorse or promote products
|
||||
* derived from this software without specific prior written permission.
|
||||
|
||||
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
|
||||
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
|
||||
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
|
||||
* EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
||||
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
|
||||
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
|
||||
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
|
||||
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
|
||||
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
|
||||
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||
*/
|
||||
|
||||
/* modified by Werner Lemberg <wl@gnu.org> */
|
||||
/* This file is now part of the FreeType library */
|
||||
|
||||
|
||||
#ifdef STANDALONE
|
||||
|
||||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
|
||||
#include <ft2build.h>
|
||||
#include FT_FREETYPE_H
|
||||
#include FT_OUTLINE_H
|
||||
|
||||
#define true 1
|
||||
#define false 0
|
||||
|
||||
static int check_outlines = 0;
|
||||
static int nohints = 0;
|
||||
static int rasterize = 0;
|
||||
|
||||
#endif /* STANDALONE */
|
||||
|
||||
|
||||
static int
|
||||
FT_MoveTo( const FT_Vector *to,
|
||||
void *user )
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
||||
static int
|
||||
FT_LineTo( const FT_Vector *to,
|
||||
void *user )
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
||||
static int
|
||||
FT_ConicTo( const FT_Vector *_cp,
|
||||
const FT_Vector *to,
|
||||
void *user )
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
||||
static int
|
||||
FT_CubicTo( const FT_Vector *cp1,
|
||||
const FT_Vector *cp2,
|
||||
const FT_Vector *to,
|
||||
void *user )
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
||||
static FT_Outline_Funcs outlinefuncs =
|
||||
{
|
||||
FT_MoveTo,
|
||||
FT_LineTo,
|
||||
FT_ConicTo,
|
||||
FT_CubicTo,
|
||||
0, 0 /* No shift, no delta */
|
||||
};
|
||||
|
||||
|
||||
static void
|
||||
TestFace( FT_Face face )
|
||||
{
|
||||
int gid;
|
||||
int load_flags = FT_LOAD_DEFAULT;
|
||||
|
||||
|
||||
if ( check_outlines &&
|
||||
( face->face_flags & FT_FACE_FLAG_SCALABLE ) )
|
||||
load_flags = FT_LOAD_NO_BITMAP;
|
||||
|
||||
if ( nohints )
|
||||
load_flags |= FT_LOAD_NO_HINTING;
|
||||
|
||||
FT_Set_Char_Size( face, 0, (int)( 12 * 64 ), 72, 72 );
|
||||
|
||||
for ( gid = 0; gid < face->num_glyphs; ++gid )
|
||||
{
|
||||
if ( check_outlines &&
|
||||
( face->face_flags & FT_FACE_FLAG_SCALABLE ) )
|
||||
{
|
||||
if ( !FT_Load_Glyph( face, gid, load_flags ) )
|
||||
FT_Outline_Decompose( &face->glyph->outline, &outlinefuncs, NULL );
|
||||
}
|
||||
else
|
||||
FT_Load_Glyph( face, gid, load_flags );
|
||||
|
||||
if ( rasterize )
|
||||
FT_Render_Glyph( face->glyph, ft_render_mode_normal );
|
||||
}
|
||||
|
||||
FT_Done_Face( face );
|
||||
}
|
||||
|
||||
|
||||
#ifdef STANDALONE
|
||||
static void
|
||||
usage( FILE* out,
|
||||
char* name )
|
||||
{
|
||||
fprintf( out, "%s [options] <font> -- Run test program used by ftrandom\n"
|
||||
" on the given font.\n\n", name );
|
||||
|
||||
fprintf( out, " --check-outlines Make sure we can parse the outlines of each glyph.\n" );
|
||||
fprintf( out, " --help Print this.\n" );
|
||||
fprintf( out, " --nohints Turn off hinting.\n" );
|
||||
fprintf( out, " --rasterize Attempt to rasterize each glyph.\n" );
|
||||
}
|
||||
#endif /* STANDALONE */
|
||||
|
||||
|
||||
#ifdef STANDALONE
|
||||
int
|
||||
main( int argc,
|
||||
char** argv )
|
||||
#else
|
||||
static void
|
||||
ExecuteTest( char* testfont )
|
||||
#endif
|
||||
{
|
||||
FT_Library context;
|
||||
FT_Face face;
|
||||
int i, num;
|
||||
#ifdef STANDALONE
|
||||
char* testfont;
|
||||
char* pt;
|
||||
#endif
|
||||
|
||||
|
||||
#if STANDALONE
|
||||
for ( i = 1; i < argc; ++i )
|
||||
{
|
||||
pt = argv[i];
|
||||
if ( pt[0] == '-' && pt[1] == '-' )
|
||||
++pt;
|
||||
|
||||
if ( strcmp( pt, "-check-outlines" ) == 0 )
|
||||
check_outlines = true;
|
||||
else if ( strcmp( pt, "-help" ) == 0 )
|
||||
{
|
||||
usage( stdout, argv[0] );
|
||||
exit( 0 );
|
||||
}
|
||||
else if ( strcmp( pt, "-nohints" ) == 0 )
|
||||
nohints = true;
|
||||
else if ( strcmp( pt, "-rasterize" ) == 0 )
|
||||
rasterize = true;
|
||||
else if ( pt[0] == '-' )
|
||||
{
|
||||
usage( stderr, argv[0] );
|
||||
exit( 1 );
|
||||
}
|
||||
else
|
||||
break;
|
||||
}
|
||||
|
||||
if ( i == argc )
|
||||
{
|
||||
usage( stderr, argv[0] );
|
||||
exit( 1 );
|
||||
}
|
||||
|
||||
testfont = argv[i];
|
||||
#endif /* STANDALONE */
|
||||
|
||||
if ( FT_Init_FreeType( &context ) )
|
||||
{
|
||||
fprintf( stderr, "Can't initialize FreeType.\n" );
|
||||
exit( 1 );
|
||||
}
|
||||
|
||||
if ( FT_New_Face( context, testfont, 0, &face ) )
|
||||
{
|
||||
/* The font is erroneous, so if this fails that's ok. */
|
||||
#ifdef STANDALONE
|
||||
fprintf( stderr, "Faulty font properly rejected.\n" );
|
||||
#endif
|
||||
exit( 0 );
|
||||
}
|
||||
|
||||
if ( face->num_faces == 1 )
|
||||
TestFace( face );
|
||||
else
|
||||
{
|
||||
num = face->num_faces;
|
||||
FT_Done_Face( face );
|
||||
|
||||
for ( i = 0; i < num; ++i )
|
||||
{
|
||||
if ( !FT_New_Face( context, testfont, i, &face ) )
|
||||
TestFace( face );
|
||||
}
|
||||
}
|
||||
|
||||
#ifdef STANDALONE
|
||||
fprintf( stderr, "Font passed.\n" );
|
||||
#endif
|
||||
|
||||
exit( 0 );
|
||||
}
|
||||
|
||||
|
||||
/* EOF */
|
||||
Loading…
Reference in New Issue