static void create_controls( ConvolveInst *inst )
{
const LWDisplayMetrics *dm;
int x, y, dx, dy, w, i, pw, ph;
/* create a control */
ctl[ 0 ] = FLOAT_CTL( panf, panel, "" );
/* find out how much vertical space the panel wants for drawing its
own decorations */
ph = PAN_GETH( panf, panel );
ph -= CON_H( ctl[ 0 ] );
/* create the rest of the controls */
for ( i = 1; i < 9; i++ )
ctl[ i ] = FLOAT_CTL( panf, panel, "" );
ctl[ 9 ] = WPOPUP_CTL( panf, panel, "Presets", preset, 150 );
/* position all of the controls */
x = CON_X( ctl[ 0 ] );
y = CON_Y( ctl[ 0 ] );
dx = CON_HOTW( ctl[ 0 ] ) + 8;
dy = CON_HOTH( ctl[ 0 ] ) + 4;
for ( i = 1; i < 9; i++ )
MOVE_CON( ctl[ i ], x + dx * ( i % 3 ), y + dy * ( i / 3 ));
w = CON_W( ctl[ 9 ] );
MOVE_CON( ctl[ 9 ], x + 3 * dx - w, y + 10 * dy / 3 );
/* now that we know how much room the controls will take up, set the
height of the panel and center it */
ph += CON_Y( ctl[ 9 ] );
ph += CON_HOTH( ctl[ 9 ] );
PAN_SETH( panf, panel, ph - 6 );
pw = PAN_GETW( panf, panel );
dm = panf->drawFuncs->dispMetrics();
MOVE_PAN( panf, panel, ( dm->width - pw ) / 2, ( dm->height - ph ) / 2 );
/* initialize the controls */
set_kernctl( inst );
SET_INT( ctl[ 9 ], pindex );
/* set the control event callbacks */
CON_SETEVENT( ctl[ 9 ], handle_preset, inst );
}
static void handle_preset( LWControl *ectl, ConvolveInst *inst )
{
int i;
GET_INT( ectl, pindex );
for ( i = 0; i < 9; i++ )
inst->kern[ i / 3 ][ i % 3 ] = pkern[ pindex ][ i / 3 ][ i % 3 ];
set_kernctl( inst );
}