Boolean
TTFprocess(Font *fnt,
long Code,
byte **bitmap,
int *width, int *height,
int *hoff, int *voff,
Boolean hinting,
Boolean quiet)
{
int Num;
TT_Error error;
if (!bitmap || !width || !height || !hoff || !voff)
oops("Invalid parameter in call to TTFprocess()");
if (Code >= 0x1000000)
Num = Code & 0xFFFFFF;
else
{
Num = TT_Char_Index(char_map, Code);
if (has_gsub)
{
in_string[0] = Num;
error = TT_GSUB_Apply_String(gsub, &in, &out);
if (error && error != TTO_Err_Not_Covered)
warning("Cannot get the vertical glyph form for glyph index %d.",
Num);
else
Num = out.string[0];
}
}
if ((error = LoadTrueTypeChar(fnt, Num, hinting, quiet)) == TT_Err_Ok)
{
memset(Bit.bitmap, 0, Bit.size);
TT_Get_Glyph_Bitmap(glyph, &Bit, x_offset * 64, y_offset * 64);
FlipBit();
*bitmap = Bit2.bitmap;
*width = Bit2.width;
*height = Bit2.rows;
*hoff = x_offset;
*voff = y_offset;
/* *voff = Bit2.rows - y_offset; */
/* printf("%D %d\n", *hoff, *voff); */
/* Output(Bit2); */
return True;
}
else
return False;
}
Boolean
TTFprocess(Font *fnt,
long Code,
byte **bitmap,
int *width, int *height,
int *hoff, int *voff,
Boolean hinting,
Boolean quiet)
{
int Num;
FT_Error error;
if (!bitmap || !width || !height || !hoff || !voff)
oops("Invalid parameter in call to TTFprocess()");
if (Code >= 0x1000000)
Num = Code & 0xFFFFFF;
else
{
Num = FT_Get_Char_Index(face, Code);
/* now we try to get a vertical glyph form */
if (has_gsub)
Num = Get_Vert(Num);
}
if ((error = LoadTrueTypeChar(fnt, Num, hinting, quiet)) == FT_Err_Ok)
{
error = FT_Render_Glyph(face->glyph, FT_RENDER_MODE_MONO);
if (error) {
warning("Cannot Render to Bitmap");
return False;
}
memset(Bit.buffer, 0, Bit.rows*Bit.pitch);
CopyBit(&Bit, &face->glyph->bitmap);
*bitmap = Bit.buffer;
*width = Bit.width;
*height = face->glyph->bitmap.rows;
*hoff = -face->glyph->bitmap_left;
*voff = *height + 1 - face->glyph->bitmap_top;
/* Output(Bit); */
return True;
}
else
return False;
}
int main( int argc, char** argv )
{
int i, total, mode, base, rendered_glyphs;
char filename[128 + 4];
char alt_filename[128 + 4];
char* execname;
long t, t0, tz0;
execname = argv[0];
gray_render = 0;
visual = 0;
while ( argc > 1 && argv[1][0] == '-' )
{
switch ( argv[1][1] )
{
case 'g':
gray_render = 1;
break;
case 'v':
visual = 1;
break;
default:
Panic( "Unknown argument '%s'!\n", argv[1] );
}
argc--;
argv++;
}
if ( argc != 2 )
{
fprintf( stderr, "fttimer: simple performance timer -- part of the FreeType project\n" );
fprintf( stderr,"-----------------------------------------------------------------\n\n" );
fprintf( stderr,"Usage: %s [-g] [-v] fontname[.ttf|.ttc]\n\n", execname );
fprintf( stderr," where '-g' asks for gray-levels rendering\n" );
fprintf( stderr," '-v' displays while rendering (slower)\n" );
exit( EXIT_FAILURE );
}
i = strlen( argv[1] );
while ( i > 0 && argv[1][i] != '\\' )
{
if ( argv[1][i] == '.' )
i = 0;
i--;
}
filename[128] = '\0';
alt_filename[128] = '\0';
strncpy( filename, argv[1], 128 );
strncpy( alt_filename, argv[1], 128 );
if ( i >= 0 )
{
strncpy( filename + strlen( filename ), ".ttf", 4 );
strncpy( alt_filename + strlen( alt_filename ), ".ttc", 4 );
}
/* Initialize engine */
if ( (error = TT_Init_FreeType( &engine )) )
Panic( "Error while initializing engine, code = 0x%x.\n", error );
/* Load face */
error = TT_Open_Face( engine, filename, &face );
if ( error == TT_Err_Could_Not_Open_File )
{
strcpy( filename, alt_filename );
error = TT_Open_Face( engine, alt_filename, &face );
}
if ( error == TT_Err_Could_Not_Open_File )
Panic( "Could not find/open %s.\n", filename );
else if ( error )
Panic( "Error while opening %s, error code = 0x%x.\n",
filename, error );
/* get face properties and allocate preload arrays */
TT_Get_Face_Properties( face, &properties );
num_glyphs = properties.num_Glyphs;
tab_glyphs = MAX_GLYPHS;
if ( tab_glyphs > num_glyphs )
tab_glyphs = num_glyphs;
/* create glyph */
error = TT_New_Glyph( face, &glyph );
if ( error )
Panic( "Could not create glyph container.\n" );
/* create instance */
error = TT_New_Instance( face, &instance );
if ( error )
Panic( "Could not create instance for %s.\n", filename );
error = TT_Set_Instance_CharSize( instance, 400*64 );
if ( error )
Panic( "Could not reset instance for %s.\n", filename );
if ( gray_render )
mode = Graphics_Mode_Gray;
else
mode = Graphics_Mode_Mono;
if ( visual )
{
if ( !SetGraphScreen( mode ) )
Panic( "Could not set graphics mode.\n" );
TT_Set_Raster_Gray_Palette( engine, gray_palette );
}
else
{
/* This is the default bitmap size used */
vio_Width = 640;
vio_Height = 450;
}
Init_Engine();
Num = 0;
Fail = 0;
total = num_glyphs;
base = 0;
rendered_glyphs = 0;
t0 = 0; /* Initial time */
tz0 = Get_Time();
while ( total > 0 )
{
/* First, preload 'tab_glyphs' in memory */
cur_glyph = 0;
cur_point = 0;
cur_contour = 0;
printf( "loading %d glyphs", tab_glyphs );
for ( Num = 0; Num < tab_glyphs; Num++ )
{
error = LoadTrueTypeChar( base + Num );
if ( error )
Fail++;
total--;
}
base += tab_glyphs;
if ( tab_glyphs > total )
tab_glyphs = total;
printf( ", rendering... " );
/* Now, render the loaded glyphs */
t = Get_Time();
for ( Num = 0; Num < cur_glyph; Num++ )
{
if ( (error = ConvertRaster( Num )) )
Fail++;
else
{
rendered_glyphs ++;
if ( visual )
{
sprintf( Header, "Glyph: %5d", Num );
Display_Bitmap_On_Screen( Bit.bitmap, Bit.rows, Bit.cols );
Clear_Buffer();
}
}
}
t = Get_Time() - t;
if ( t < 0 )
t += 100L * 60 * 60;
printf( " = %f s\n", (double)t / 1000 );
t0 += t;
/* Now free all loaded outlines */
for ( Num = 0; Num < cur_glyph; Num++ )
TT_Done_Outline( &outlines[Num] );
}
tz0 = Get_Time() - tz0;
if ( visual )
RestoreScreen();
TT_Close_Face( face );
printf( "\n" );
printf( "rendered glyphs = %d\n", rendered_glyphs );
printf( "render time = %f s\n", (double)t0 / 1000 );
printf( "fails = %d\n", Fail );
printf( "average glyphs/s = %f\n",
(double)rendered_glyphs / t0 * 1000 );
printf( "total timing = %f s\n", (double)tz0 / 1000 );
printf( "Fails = %d\n", Fail );
TT_Done_FreeType( engine );
exit( EXIT_SUCCESS ); /* for safety reasons */
return 0; /* never reached */
}
