struct ImBuf *IMB_thumb_load_font(const char *filename, unsigned int x, unsigned int y)
{
const int font_size = y / 4;
struct ImBuf *ibuf;
float font_color[4];
/* create a white image (theme color is used for drawing) */
font_color[0] = font_color[1] = font_color[2] = 1.0f;
/* fill with zero alpha */
font_color[3] = 0.0f;
ibuf = IMB_allocImBuf(x, y, 32, IB_rect | IB_metadata);
IMB_rectfill(ibuf, font_color);
/* draw with full alpha */
font_color[3] = 1.0f;
BLF_thumb_preview(
filename, thumb_str, ARRAY_SIZE(thumb_str),
font_color, font_size,
(unsigned char *)ibuf->rect, ibuf->x, ibuf->y, ibuf->channels);
return ibuf;
}
void RE_bake_ibuf_clear(Image *image, const bool is_tangent)
{
ImBuf *ibuf;
void *lock;
const float vec_alpha[4] = {0.0f, 0.0f, 0.0f, 0.0f};
const float vec_solid[4] = {0.0f, 0.0f, 0.0f, 1.0f};
const float nor_alpha[4] = {0.5f, 0.5f, 1.0f, 0.0f};
const float nor_solid[4] = {0.5f, 0.5f, 1.0f, 1.0f};
ibuf = BKE_image_acquire_ibuf(image, NULL, &lock);
BLI_assert(ibuf);
if (is_tangent)
IMB_rectfill(ibuf, (ibuf->planes == R_IMF_PLANES_RGBA) ? nor_alpha : nor_solid);
else
IMB_rectfill(ibuf, (ibuf->planes == R_IMF_PLANES_RGBA) ? vec_alpha : vec_solid);
BKE_image_release_ibuf(image, ibuf, lock);
}
static int get_next_bake_face(BakeShade *bs)
{
ObjectRen *obr;
VlakRen *vlr;
MTFace *tface;
static int v = 0, vdone = false;
static ObjectInstanceRen *obi = NULL;
if (bs == NULL) {
vlr = NULL;
v = vdone = false;
obi = R.instancetable.first;
return 0;
}
BLI_lock_thread(LOCK_CUSTOM1);
for (; obi; obi = obi->next, v = 0) {
obr = obi->obr;
for (; v < obr->totvlak; v++) {
vlr = RE_findOrAddVlak(obr, v);
if ((bs->actob && bs->actob == obr->ob) || (!bs->actob && (obr->ob->flag & SELECT))) {
if (R.r.bake_flag & R_BAKE_VCOL) {
/* Gather face data for vertex color bake */
Mesh *me;
int *origindex, vcollayer;
CustomDataLayer *cdl;
if (obr->ob->type != OB_MESH)
continue;
me = obr->ob->data;
origindex = RE_vlakren_get_origindex(obr, vlr, 0);
if (origindex == NULL)
continue;
if (*origindex >= me->totpoly) {
/* Small hack for Array modifier, which gives false
* original indices - z0r */
continue;
}
#if 0
/* Only shade selected faces. */
if ((me->mface[*origindex].flag & ME_FACE_SEL) == 0)
continue;
#endif
vcollayer = CustomData_get_render_layer_index(&me->ldata, CD_MLOOPCOL);
if (vcollayer == -1)
continue;
cdl = &me->ldata.layers[vcollayer];
bs->mpoly = me->mpoly + *origindex;
bs->vcol = ((MLoopCol *)cdl->data) + bs->mpoly->loopstart;
bs->mloop = me->mloop + bs->mpoly->loopstart;
/* Tag mesh for reevaluation. */
me->id.flag |= LIB_DOIT;
}
else {
Image *ima = NULL;
ImBuf *ibuf = NULL;
const float vec_alpha[4] = {0.0f, 0.0f, 0.0f, 0.0f};
const float vec_solid[4] = {0.0f, 0.0f, 0.0f, 1.0f};
const float nor_alpha[4] = {0.5f, 0.5f, 1.0f, 0.0f};
const float nor_solid[4] = {0.5f, 0.5f, 1.0f, 1.0f};
const float disp_alpha[4] = {0.5f, 0.5f, 0.5f, 0.0f};
const float disp_solid[4] = {0.5f, 0.5f, 0.5f, 1.0f};
tface = RE_vlakren_get_tface(obr, vlr, obr->bakemtface, NULL, 0);
if (!tface || !tface->tpage)
continue;
ima = tface->tpage;
ibuf = BKE_image_acquire_ibuf(ima, NULL, NULL, IMA_IBUF_IMA);
if (ibuf == NULL)
continue;
if (ibuf->rect == NULL && ibuf->rect_float == NULL) {
BKE_image_release_ibuf(ima, ibuf, NULL);
continue;
}
if (ibuf->rect_float && !(ibuf->channels == 0 || ibuf->channels == 4)) {
BKE_image_release_ibuf(ima, ibuf, NULL);
continue;
}
if (ima->flag & IMA_USED_FOR_RENDER) {
ima->id.flag &= ~LIB_DOIT;
BKE_image_release_ibuf(ima, ibuf, NULL);
continue;
}
/* find the image for the first time? */
if (ima->id.flag & LIB_DOIT) {
ima->id.flag &= ~LIB_DOIT;
/* we either fill in float or char, this ensures things go fine */
if (ibuf->rect_float)
imb_freerectImBuf(ibuf);
/* clear image */
if (R.r.bake_flag & R_BAKE_CLEAR) {
if (R.r.bake_mode == RE_BAKE_NORMALS && R.r.bake_normal_space == R_BAKE_SPACE_TANGENT)
IMB_rectfill(ibuf, (ibuf->planes == R_IMF_PLANES_RGBA) ? nor_alpha : nor_solid);
else if (ELEM(R.r.bake_mode, RE_BAKE_DISPLACEMENT, RE_BAKE_DERIVATIVE))
IMB_rectfill(ibuf, (ibuf->planes == R_IMF_PLANES_RGBA) ? disp_alpha : disp_solid);
else
IMB_rectfill(ibuf, (ibuf->planes == R_IMF_PLANES_RGBA) ? vec_alpha : vec_solid);
}
/* might be read by UI to set active image for display */
R.bakebuf = ima;
}
/* Tag image for redraw. */
ibuf->userflags |= IB_DISPLAY_BUFFER_INVALID;
BKE_image_release_ibuf(ima, ibuf, NULL);
}
bs->obi = obi;
bs->vlr = vlr;
bs->vdone++; /* only for error message if nothing was rendered */
v++;
BLI_unlock_thread(LOCK_CUSTOM1);
return 1;
}
}
}
BLI_unlock_thread(LOCK_CUSTOM1);
return 0;
}
