static void vis_fft(void)
{
int i, y;
/*this is the size of vis_overlay.width*/
unsigned char outfft[120];
if (_vis_virgin) {
vgamem_ovl_alloc(&vis_overlay);
_vis_virgin = 0;
}
_draw_vis_box();
song_lock_audio();
vgamem_ovl_clear(&vis_overlay,0);
_get_columns_from_fft(outfft,current_fft_data);
for (i = 0; i < 120; i++) {
y = outfft[i];
/*reduce range */
y >>= 3;
if (y > 15) y = 15;
if (y > 0) {
vgamem_ovl_drawline(&vis_overlay,i,15-y,i,15,5);
}
}
vgamem_ovl_apply(&vis_overlay);
song_unlock_audio();
}
static void vis_oscilloscope(void)
{
if (_vis_virgin) {
vgamem_ovl_alloc(&vis_overlay);
_vis_virgin = 0;
}
_draw_vis_box();
song_lock_audio();
if (status.vis_style == VIS_MONOSCOPE) {
if (audio_output_bits == 16) {
draw_sample_data_rect_16(&vis_overlay,audio_buffer,
audio_buffer_samples,
audio_output_channels,1);
} else {
draw_sample_data_rect_8(&vis_overlay,(void*)audio_buffer,
audio_buffer_samples,
audio_output_channels,1);
}
} else if (audio_output_bits == 16) {
draw_sample_data_rect_16(&vis_overlay,audio_buffer,audio_buffer_samples,
audio_output_channels,audio_output_channels);
} else {
draw_sample_data_rect_8(&vis_overlay,(void *)audio_buffer,audio_buffer_samples,
audio_output_channels,audio_output_channels);
}
song_unlock_audio();
}
void show_about(void)
{
static int didit = 0;
struct dialog *d;
unsigned char *p;
int x, y;
fake_driver = (rand() & 3) ? 0 : 1;
if (!didit) {
vgamem_ovl_alloc(&logo_image);
it_logo = xpmdata(_logo_it_xpm);
schism_logo = xpmdata(_logo_schism_xpm);
didit=1;
}
if (status.flags & CLASSIC_MODE) {
p = it_logo ? it_logo->pixels : NULL;
} else {
p = schism_logo ? schism_logo->pixels : NULL;
}
/* this is currently pretty gross */
vgamem_ovl_clear(&logo_image, 2);
if (p) {
int c = (status.flags & CLASSIC_MODE) ? 11 : 0;
for (y = 0; y < LOGO_HEIGHT; y++) {
for (x = 0; x < LOGO_WIDTH; x++) {
if (p[x]) {
vgamem_ovl_drawpixel(&logo_image, x+2, y+6, c);
}
}
vgamem_ovl_drawpixel(&logo_image, x, y+6, 2);
vgamem_ovl_drawpixel(&logo_image, x+1, y+6, 2);
p += LOGO_PITCH;
}
}
create_button(widgets_about + 0,
33,32,
12,
0,0,0,0,0,
dialog_yes_NULL, "Continue", 3);
d = dialog_create_custom(11,16,
58, 19,
widgets_about, 1, 0,
about_draw_const, NULL);
d->action_yes = about_close;
d->action_no = about_close;
d->action_cancel = about_close;
/* okay, in just a moment, we're going to the module page.
* if your modules dir is large enough, this causes an annoying pause.
* to defeat this, we start scanning *NOW*. this makes startup "feel"
* faster.
*/
status.flags |= DIR_MODULES_CHANGED;
pages[PAGE_LOAD_MODULE].set_page();
}
