FreeType 1.31.1
This commit is contained in:
293
test/ftsbit.c
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293
test/ftsbit.c
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/****************************************************************************/
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/* */
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/* The FreeType project -- a free and portable quality TrueType renderer. */
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/* */
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/* Copyright 1996-1999 by */
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/* D. Turner, R.Wilhelm, and W. Lemberg */
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/* */
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/* ftsbit: a _very_ simple embedded bitmap dumper for FreeType 1.x. */
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/* */
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/* NOTE: This is just a test program that is used to show off and */
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/* debug the current engine. */
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/* */
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/****************************************************************************/
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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 "common.h"
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#include "freetype.h"
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#include "ftxsbit.h"
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/*
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* Basically, an external program using FreeType shouldn't depend on an
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* internal file of the FreeType library, especially not on ft_conf.h -- but
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* to avoid another configure script which tests for the existence of the
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* i18n stuff we include ft_conf.h here since we can be sure that our test
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* programs use the same configuration options as the library itself.
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*/
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#include "ft_conf.h"
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#ifdef HAVE_LIBINTL_H
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#ifdef HAVE_LOCALE_H
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#include <locale.h>
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#endif
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#include <libintl.h>
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#include "ftxerr18.h"
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#else /* !HAVE_LIBINTL */
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#define gettext( x ) ( x )
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/* We ignore error message strings with this function */
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static char* TT_ErrToString18( TT_Error error )
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{
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static char temp[32];
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sprintf( temp, "0x%04lx", error );
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return temp;
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}
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#endif /* !HAVE_LIBINTL */
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TT_Error error;
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TT_Engine engine;
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TT_Face face;
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TT_Instance instance;
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TT_Glyph glyph;
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TT_Outline outline;
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TT_Glyph_Metrics metrics;
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TT_Face_Properties properties;
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TT_EBLC eblc;
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TT_SBit_Image* bitmap;
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unsigned int num_glyphs;
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int ptsize;
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int Fail;
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int Num;
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static void Usage( char* name )
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{
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char* gt;
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gt = gettext( "ftsbit: Simple TrueType `sbit' dumper -- part of the FreeType project" );
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fprintf( stderr, "%s\n", gt );
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separator_line( stderr, strlen( gt ) );
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fprintf( stderr, gettext(
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"Usage: %s ppem fontname[.ttf|.ttc] glyph_index [glyph_index2..]\n\n" ), name );
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exit( EXIT_FAILURE );
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}
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int main( int argc, char** argv )
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{
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int i;
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char filename[128 + 4];
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char alt_filename[128 + 4];
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char* execname;
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char* fname;
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#ifdef HAVE_LIBINTL_H
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setlocale( LC_ALL, "" );
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bindtextdomain( "freetype", LOCALEDIR );
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textdomain( "freetype" );
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#endif
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execname = argv[0];
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if ( argc < 3 )
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Usage( execname );
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if ( sscanf( argv[1], "%d", &ptsize ) != 1 )
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Usage( execname );
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/* Initialize engine */
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if ( (error = TT_Init_FreeType( &engine )) )
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{
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fprintf( stderr, gettext( "Error while initializing engine.\n" ) );
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goto Failure;
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}
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if ( (error = TT_Init_SBit_Extension( engine )) )
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{
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fprintf( stderr, gettext(
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"Error while initializing embedded bitmap extension.\n" ) );
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goto Failure;
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}
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/* Now check all files */
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fname = argv[2];
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i = strlen( fname );
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while ( i > 0 && fname[i] != '\\' && fname[i] != '/' )
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{
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if ( fname[i] == '.' )
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i = 0;
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i--;
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}
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filename[128] = '\0';
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alt_filename[128] = '\0';
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strncpy( filename, fname, 128 );
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strncpy( alt_filename, fname, 128 );
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if ( i >= 0 )
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{
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strncpy( filename + strlen( filename ), ".ttf", 4 );
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strncpy( alt_filename + strlen( alt_filename ), ".ttc", 4 );
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}
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/* Load face */
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error = TT_Open_Face( engine, filename, &face );
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if ( error == TT_Err_Could_Not_Open_File )
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{
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strcpy( filename, alt_filename );
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error = TT_Open_Face( engine, alt_filename, &face );
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}
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i = strlen( filename );
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fname = filename;
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while ( i >= 0 )
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if ( filename[i] == '/' || filename[i] == '\\' )
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{
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fname = filename + i + 1;
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i = -1;
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}
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else
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i--;
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if ( error )
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{
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fprintf( stderr, gettext( "Could not find or open %s.\n" ),
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filename );
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goto Failure;
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}
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if ( error )
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{
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fprintf( stderr, gettext( "Error while opening %s.\n" ), filename );
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goto Failure;
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}
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/* get face properties */
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TT_Get_Face_Properties( face, &properties );
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num_glyphs = properties.num_Glyphs;
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error = TT_Get_Face_Bitmaps( face, &eblc );
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if ( error == TT_Err_Table_Missing )
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{
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fprintf( stderr, gettext(
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"Could not find embedded bitmaps in this font.\n" ) );
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goto Failure;
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}
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if ( error )
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{
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fprintf( stderr, gettext(
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"Error while loading embedded bitmaps.\n" ) );
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goto Failure;
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}
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/* create instance */
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error = TT_New_Instance( face, &instance );
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if ( error )
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{
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fprintf( stderr, gettext( "Could not create instance.\n" ) );
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goto Failure;
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}
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error = TT_Set_Instance_PixelSizes( instance,
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ptsize,
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ptsize,
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ptsize*3/4 );
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if ( error )
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{
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fprintf( stderr,
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gettext( "Could not set point size to %d.\n" ),
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ptsize );
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goto Failure;
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}
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error = TT_New_SBit_Image( &bitmap );
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if ( error )
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{
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fprintf( stderr, gettext(
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"Could not allocate glyph bitmap container.\n" ) );
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goto Failure;
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}
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for ( i = 3; i < argc; i++ )
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{
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unsigned short glyph_index;
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/* we use %i to allow the prefixes `0x' and `0' */
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if ( sscanf( argv[i], "%hi", &glyph_index ) != 1 )
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Usage( execname );
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error = TT_Load_Glyph_Bitmap( face, instance, glyph_index, bitmap );
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if ( error == TT_Err_Invalid_Glyph_Index )
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{
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fprintf( stderr, gettext(
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" no bitmap for glyph %d.\n" ), glyph_index );
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continue;
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}
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if ( error )
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{
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fprintf( stderr, gettext(
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"Can't load bitmap for glyph %d.\n" ), glyph_index );
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goto Failure;
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}
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/* Dump the resulting bitmap */
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{
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printf( gettext( "glyph index %d = %dx%d pixels, " ),
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glyph_index, bitmap->map.rows, bitmap->map.width );
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printf( gettext( "advance = %ld, minBearing = [%ld,%ld]\n" ),
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(long)(bitmap->metrics.horiAdvance / 64),
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(long)(bitmap->metrics.horiBearingX / 64),
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(long)(bitmap->metrics.horiBearingY / 64));
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Show_Single_Glyph( &bitmap->map );
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}
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}
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TT_Done_SBit_Image( bitmap );
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TT_Done_FreeType( engine );
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exit( EXIT_SUCCESS ); /* for safety reasons */
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return 0; /* never reached */
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Failure:
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fprintf( stderr, " " );
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fprintf( stderr, gettext( "FreeType error message: %s\n" ),
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TT_ErrToString18( error ) );
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exit( EXIT_FAILURE );
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return 0; /* never reached */
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}
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/* End */
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