static void icon_preview_startjob(void *customdata, short *stop, short *do_update)
{
ShaderPreview *sp= customdata;
ID *id= sp->id;
short idtype= GS(id->name);
if(idtype == ID_IM) {
Image *ima= (Image*)id;
ImBuf *ibuf= NULL;
ImageUser iuser= {NULL};
/* ima->ok is zero when Image cannot load */
if(ima==NULL || ima->ok==0)
return;
/* setup dummy image user */
iuser.ok= iuser.framenr= 1;
iuser.scene= sp->scene;
/* elubie: this needs to be changed: here image is always loaded if not
already there. Very expensive for large images. Need to find a way to
only get existing ibuf */
ibuf = BKE_image_get_ibuf(ima, &iuser);
if(ibuf==NULL || ibuf->rect==NULL)
return;
icon_copy_rect(ibuf, sp->sizex, sp->sizey, sp->pr_rect);
*do_update= 1;
}
else if(idtype == ID_BR) {
Brush *br= (Brush*)id;
br->icon_imbuf= get_brush_icon(br);
memset(sp->pr_rect, 0x888888, sp->sizex*sp->sizey*sizeof(unsigned int));
if(!(br->icon_imbuf) || !(br->icon_imbuf->rect))
return;
icon_copy_rect(br->icon_imbuf, sp->sizex, sp->sizey, sp->pr_rect);
*do_update= 1;
}
else {
/* re-use shader job */
shader_preview_startjob(customdata, stop, do_update);
/* world is rendered with alpha=0, so it wasn't displayed
this could be render option for sky to, for later */
if(idtype == ID_WO) {
set_alpha((char*)sp->pr_rect, sp->sizex, sp->sizey, 255);
}
else if(idtype == ID_MA) {
Material* ma = (Material*)id;
if(ma->material_type == MA_TYPE_HALO)
set_alpha((char*)sp->pr_rect, sp->sizex, sp->sizey, 255);
}
}
}
static void icon_preview_startjob(void *customdata, short *stop, short *do_update)
{
ShaderPreview *sp = customdata;
if (sp->pr_method == PR_ICON_DEFERRED) {
PreviewImage *prv = sp->owner;
ImBuf *thumb;
char *deferred_data = PRV_DEFERRED_DATA(prv);
int source = deferred_data[0];
char *path = &deferred_data[1];
// printf("generating deferred %d×%d preview for %s\n", sp->sizex, sp->sizey, path);
thumb = IMB_thumb_manage(path, THB_LARGE, source);
if (thumb) {
/* PreviewImage assumes premultiplied alhpa... */
IMB_premultiply_alpha(thumb);
icon_copy_rect(thumb, sp->sizex, sp->sizey, sp->pr_rect);
IMB_freeImBuf(thumb);
}
}
else {
ID *id = sp->id;
short idtype = GS(id->name);
if (idtype == ID_IM) {
Image *ima = (Image *)id;
ImBuf *ibuf = NULL;
ImageUser iuser = {NULL};
/* ima->ok is zero when Image cannot load */
if (ima == NULL || ima->ok == 0)
return;
/* setup dummy image user */
iuser.ok = iuser.framenr = 1;
iuser.scene = sp->scene;
/* elubie: this needs to be changed: here image is always loaded if not
* already there. Very expensive for large images. Need to find a way to
* only get existing ibuf */
ibuf = BKE_image_acquire_ibuf(ima, &iuser, NULL);
if (ibuf == NULL || ibuf->rect == NULL) {
BKE_image_release_ibuf(ima, ibuf, NULL);
return;
}
icon_copy_rect(ibuf, sp->sizex, sp->sizey, sp->pr_rect);
*do_update = true;
BKE_image_release_ibuf(ima, ibuf, NULL);
}
else if (idtype == ID_BR) {
Brush *br = (Brush *)id;
br->icon_imbuf = get_brush_icon(br);
memset(sp->pr_rect, 0x88, sp->sizex * sp->sizey * sizeof(unsigned int));
if (!(br->icon_imbuf) || !(br->icon_imbuf->rect))
return;
icon_copy_rect(br->icon_imbuf, sp->sizex, sp->sizey, sp->pr_rect);
*do_update = true;
}
else {
/* re-use shader job */
shader_preview_startjob(customdata, stop, do_update);
/* world is rendered with alpha=0, so it wasn't displayed
* this could be render option for sky to, for later */
if (idtype == ID_WO) {
set_alpha((char *)sp->pr_rect, sp->sizex, sp->sizey, 255);
}
else if (idtype == ID_MA) {
Material *ma = (Material *)id;
if (ma->material_type == MA_TYPE_HALO)
set_alpha((char *)sp->pr_rect, sp->sizex, sp->sizey, 255);
}
}
}
}
