a new simple program to display composite glyphs in a given
font. Used during auto-hinting research
This commit is contained in:
David Turner
parent
b46a2d8a74
commit
6b0149b826
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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 1996-1998 by */
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/* D. Turner, R.Wilhelm, and W. Lemberg */
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/* */
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/* compos: this is a very simple program used to test the flag */
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/* FT_LOAD_NO_RECURSE */
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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 "freetype.h"
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#include "ftobjs.h"
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#include "ftdriver.h"
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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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#define gettext( x ) ( x )
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FT_Error error;
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FT_Library library;
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FT_Face face;
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FT_Size size;
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FT_GlyphSlot slot;
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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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printf( "compos: test FT_LOAD_NO_RECURSE load flag - www.freetype.org\n" );
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printf( "------------------------------------------------------------\n" );
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printf( "\n" );
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printf( "Usage: %s fontname[.ttf|.ttc] [fontname2..]\n", name );
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printf( "\n" );
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exit( 1 );
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}
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static void Panic( const char* message )
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{
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fprintf( stderr, "%s\n error code = 0x%04x\n", message, error );
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exit(1);
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}
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int main( int argc, char** argv )
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{
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int i, file_index;
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unsigned int id;
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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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execname = argv[0];
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if ( argc < 2 )
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Usage( execname );
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error = FT_Init_FreeType( &library );
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if (error) Panic( "Could not create library object" );
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/* Now check all files */
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for ( file_index = 1; file_index < argc; file_index++ )
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{
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fname = argv[file_index];
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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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#ifndef macintosh
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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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#endif
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i = strlen( filename );
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fname = filename;
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while ( i >= 0 )
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#ifndef macintosh
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if ( filename[i] == '/' || filename[i] == '\\' )
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#else
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if ( filename[i] == ':' )
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#endif
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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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printf( "%s:\n", fname );
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/* Load face */
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error = FT_New_Face( library, filename, 0, &face );
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if (error)
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{
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if (error == FT_Err_Invalid_File_Format)
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printf( "unknown format\n" );
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else
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printf( "could not find/open file (error: %d)\n", error );
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continue;
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}
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num_glyphs = face->num_glyphs;
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slot = face->glyph;
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Fail = 0;
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{
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for ( id = 0; id < num_glyphs; id++ )
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{
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int has_scale;
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error = FT_Load_Glyph( face, id, FT_LOAD_NO_RECURSE );
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if (!error && slot->format == ft_glyph_format_composite)
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{
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int n;
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FT_SubGlyph* subg = slot->subglyphs;
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printf( "%4d:", id );
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for ( n = 0; n < slot->num_subglyphs; n++, subg++ )
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{
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has_scale = subg->flags & (
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FT_SUBGLYPH_FLAG_SCALE |
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FT_SUBGLYPH_FLAG_XY_SCALE |
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FT_SUBGLYPH_FLAG_2X2 );
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printf( " [%d%c",
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subg->index,
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subg->flags & FT_SUBGLYPH_FLAG_USE_MY_METRICS ? '*' : ' ' );
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if ( subg->arg1|subg->arg2 )
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{
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if ( subg->flags & FT_SUBGLYPH_FLAG_ARGS_ARE_XY_VALUES )
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printf( "(%d,%d)", subg->arg1, subg->arg2 );
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else
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printf( "<%d,%d>", subg->arg1, subg->arg2 );
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}
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if (has_scale)
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printf( "-{%0.3f %0.3f %0.3f %0.3f}",
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subg->transform.xx/65536.0,
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subg->transform.xy/65536.0,
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subg->transform.yx/65536.0,
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subg->transform.yy/65536.0 );
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printf( "]" );
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}
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printf( " adv=%ld lsb=%ld\n",
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slot->metrics.horiAdvance,
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slot->metrics.horiBearingX );
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}
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}
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}
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FT_Done_Face( face );
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}
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FT_Done_FreeType(library);
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exit( 0 ); /* for safety reasons */
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return 0; /* never reached */
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}
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/* End */
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