/* Initialize the display bitmap named `bit' */
static void
Init_Display( void )
{
grInitDevices();
bit.mode = gr_pixel_mode_gray;
bit.width = width;
bit.rows = height;
bit.grays = 256;
surface = grNewSurface( 0, &bit );
if ( !surface )
PanicZ( "could not allocate display surface\n" );
graph_init = 1;
}
FTDemo_Display*
FTDemo_Display_New( grPixelMode mode,
int width,
int height )
{
FTDemo_Display* display;
grSurface* surface;
grBitmap bit;
display = (FTDemo_Display *)malloc( sizeof ( FTDemo_Display ) );
if ( !display )
return NULL;
if ( mode != gr_pixel_mode_gray &&
mode != gr_pixel_mode_rgb24 )
return NULL;
grInitDevices();
bit.mode = mode;
bit.width = width;
bit.rows = height;
bit.grays = 256;
surface = grNewSurface( 0, &bit );
if ( !surface )
{
free( display );
return NULL;
}
display->surface = surface;
display->bitmap = &surface->bitmap;
grSetGlyphGamma( 1.0 );
display->fore_color = grFindColor( display->bitmap,
0x00, 0x00, 0x00, 0xff );
display->back_color = grFindColor( display->bitmap,
0xff, 0xff, 0xff, 0xff );
display->warn_color = grFindColor( display->bitmap,
0xff, 0x00, 0x00, 0xff );
return display;
}