/* Allocate an image structure and start a file loading in the background.
*/
static image *
alloc_image (ModeInfo *mi)
{
slideshow_state *ss = &sss[MI_SCREEN(mi)];
int wire = MI_IS_WIREFRAME(mi);
image *img = (image *) calloc (1, sizeof (*img));
img->id = ++ss->image_id;
img->loaded_p = False;
img->used_p = False;
img->mi = mi;
glGenTextures (1, &img->texid);
if (img->texid <= 0) abort();
ss->image_load_time = ss->now;
if (wire)
image_loaded_cb (0, 0, 0, 0, 0, 0, img);
else
load_texture_async (mi->xgwa.screen, mi->window, *ss->glx_context,
0, 0, mipmap_p, img->texid, image_loaded_cb, img);
ss->images[ss->nimages++] = img;
if (ss->nimages >= countof(ss->images)) abort();
return img;
}
/* Load a new file.
*/
static void
load_image (ModeInfo *mi)
{
photopile_state *ss = &sss[MI_SCREEN(mi)];
int wire = MI_IS_WIREFRAME(mi);
image *frame = ss->frames + ss->nframe;
if (debug_p && !wire && frame->w != 0)
fprintf (stderr, "%s: dropped %4d x %-4d %4d x %-4d \"%s\"\n",
progname,
frame->geom.width,
frame->geom.height,
frame->tw, frame->th,
(frame->title ? frame->title : "(null)"));
frame->loaded_p = False;
if (wire)
image_loaded_cb (0, 0, 0, 0, 0, 0, ss);
else
{
int w = MI_WIDTH(mi);
int h = MI_HEIGHT(mi);
int size = (int)((w > h ? w : h) * scale);
if (size <= 10) size = 10;
load_texture_async (mi->xgwa.screen, mi->window, *ss->glx_context,
size, size,
mipmap_p, frame->texid,
image_loaded_cb, ss);
}
}
/* Load a new file into the given image struct.
*/
static void
load_image (ModeInfo *mi, image_frame *frame)
{
carousel_state *ss = &sss[MI_SCREEN(mi)];
int wire = MI_IS_WIREFRAME(mi);
if (debug_p && !wire && frame->current.w != 0)
fprintf (stderr, "%s: dropped %4d x %-4d %4d x %-4d \"%s\"\n",
progname,
frame->current.geom.width,
frame->current.geom.height,
frame->current.tw, frame->current.th,
(frame->current.title ? frame->current.title : "(null)"));
switch (frame->mode)
{
case EARLY: break;
case NORMAL: frame->mode = LOADING; break;
default: abort();
}
ss->loads_in_progress++;
if (wire)
image_loaded_cb (0, 0, 0, 0, 0, 0, frame);
else
{
int w = (MI_WIDTH(mi) / 2) - 1;
int h = (MI_HEIGHT(mi) / 2) - 1;
if (w <= 10) w = 10;
if (h <= 10) h = 10;
load_texture_async (mi->xgwa.screen, mi->window, *ss->glx_context, w, h,
mipmap_p, frame->loading.texid,
image_loaded_cb, frame);
}
}
