static void node_composit_exec_curve_rgb(void *UNUSED(data), bNode *node, bNodeStack **in, bNodeStack **out)
{
/* stack order input: fac, image, black level, white level */
/* stack order output: image */
if (out[0]->hasoutput==0)
return;
curvemapping_initialize(node->storage);
/* input no image? then only color operation */
if (in[1]->data==NULL) {
curvemapping_evaluateRGBF(node->storage, out[0]->vec, in[1]->vec);
}
else {
/* make output size of input image */
CompBuf *cbuf= in[1]->data;
CompBuf *stackbuf= alloc_compbuf(cbuf->x, cbuf->y, CB_RGBA, 1); /* allocs */
curvemapping_set_black_white(node->storage, in[2]->vec, in[3]->vec);
if (in[0]->data==NULL && in[0]->vec[0] == 1.0f)
composit1_pixel_processor(node, stackbuf, in[1]->data, in[1]->vec, do_curves, CB_RGBA);
else
composit2_pixel_processor(node, stackbuf, in[1]->data, in[1]->vec, in[0]->data, in[0]->vec, do_curves_fac, CB_RGBA, CB_VAL);
out[0]->data= stackbuf;
}
}
static void rna_CurveMapping_black_level_set(PointerRNA *ptr, const float *values)
{
CurveMapping *cumap = (CurveMapping *)ptr->data;
cumap->black[0] = values[0];
cumap->black[1] = values[1];
cumap->black[2] = values[2];
curvemapping_set_black_white(cumap, NULL, NULL);
}
static void curves_apply(struct SequenceModifierData *smd, ImBuf *ibuf, ImBuf *mask)
{
CurvesModifierData *cmd = (CurvesModifierData *) smd;
float black[3] = {0.0f, 0.0f, 0.0f};
float white[3] = {1.0f, 1.0f, 1.0f};
curvemapping_initialize(&cmd->curve_mapping);
curvemapping_premultiply(&cmd->curve_mapping, 0);
curvemapping_set_black_white(&cmd->curve_mapping, black, white);
modifier_apply_threaded(ibuf, mask, curves_apply_threaded, &cmd->curve_mapping);
curvemapping_premultiply(&cmd->curve_mapping, 1);
}