diff options
Diffstat (limited to 'source/blender/editors/sculpt_paint/paint_ops.c')
| -rw-r--r-- | source/blender/editors/sculpt_paint/paint_ops.c | 20 |
1 files changed, 13 insertions, 7 deletions
diff --git a/source/blender/editors/sculpt_paint/paint_ops.c b/source/blender/editors/sculpt_paint/paint_ops.c index 0f54d5e0821..191ae1da343 100644 --- a/source/blender/editors/sculpt_paint/paint_ops.c +++ b/source/blender/editors/sculpt_paint/paint_ops.c @@ -304,7 +304,10 @@ static bool palette_extract_img_poll(bContext *C) { SpaceLink *sl = CTX_wm_space_data(C); if ((sl != NULL) && (sl->spacetype == SPACE_IMAGE)) { - return true; + SpaceImage *sima = CTX_wm_space_image(C); + Image *image = sima->image; + ImageUser iuser = sima->iuser; + return BKE_image_has_ibuf(image, &iuser); } return false; @@ -326,16 +329,16 @@ static int palette_extract_img_exec(bContext *C, wmOperator *op) ibuf = BKE_image_acquire_ibuf(image, &iuser, &lock); - if (ibuf->rect) { + if (ibuf && ibuf->rect) { /* Extract all colors. */ + const int range = (int)pow(10.0f, threshold); for (int row = 0; row < ibuf->y; row++) { for (int col = 0; col < ibuf->x; col++) { float color[4]; IMB_sampleImageAtLocation(ibuf, (float)col, (float)row, false, color); - const float range = pow(10.0f, threshold); - color[0] = truncf(color[0] * range) / range; - color[1] = truncf(color[1] * range) / range; - color[2] = truncf(color[2] * range) / range; + for (int i = 0; i < 3; i++) { + color[i] = truncf(color[i] * range) / range; + } uint key = rgb_to_cpack(color[0], color[1], color[2]); if (!BLI_ghash_haskey(color_table, POINTER_FROM_INT(key))) { @@ -360,6 +363,8 @@ static int palette_extract_img_exec(bContext *C, wmOperator *op) static void PALETTE_OT_extract_from_image(wmOperatorType *ot) { + PropertyRNA *prop; + /* identifiers */ ot->name = "Extract Palette from Image"; ot->idname = "PALETTE_OT_extract_from_image"; @@ -373,7 +378,8 @@ static void PALETTE_OT_extract_from_image(wmOperatorType *ot) ot->flag = OPTYPE_REGISTER | OPTYPE_UNDO; /* properties */ - RNA_def_int(ot->srna, "threshold", 1, 1, 4, "Threshold", "", 1, 4); + prop = RNA_def_int(ot->srna, "threshold", 1, 1, 1, "Threshold", "", 1, 1); + RNA_def_property_flag(prop, PROP_HIDDEN | PROP_SKIP_SAVE); } /* Sort Palette color by Hue and Saturation. */ |