diff options
Diffstat (limited to 'source/blender/editors/transform/transform_mode_curveshrinkfatten.c')
| -rw-r--r-- | source/blender/editors/transform/transform_mode_curveshrinkfatten.c | 22 |
1 files changed, 21 insertions, 1 deletions
diff --git a/source/blender/editors/transform/transform_mode_curveshrinkfatten.c b/source/blender/editors/transform/transform_mode_curveshrinkfatten.c index f7f9e14b8ac..0b87b45679a 100644 --- a/source/blender/editors/transform/transform_mode_curveshrinkfatten.c +++ b/source/blender/editors/transform/transform_mode_curveshrinkfatten.c @@ -8,6 +8,7 @@ #include <stdlib.h> #include "BLI_math.h" +#include "BLI_math_bits.h" #include "BLI_string.h" #include "BKE_context.h" @@ -62,7 +63,14 @@ static void applyCurveShrinkFatten(TransInfo *t, const int UNUSED(mval[2])) } if (td->val) { - *td->val = td->ival * ratio; + if (td->ival == 0.0f && ratio > 1.0f) { + /* Allow Shrink/Fatten for zero radius. */ + *td->val = (ratio - 1.0f) * uint_as_float(POINTER_AS_UINT(t->custom.mode.data)); + } + else { + *td->val = td->ival * ratio; + } + /* apply PET */ *td->val = interpf(*td->val, td->ival, td->factor); CLAMP_MIN(*td->val, 0.0f); @@ -92,6 +100,18 @@ void initCurveShrinkFatten(TransInfo *t) t->num.unit_type[0] = B_UNIT_NONE; t->flag |= T_NO_CONSTRAINT; + + float scale_factor = 0.0f; + if (((t->spacetype == SPACE_VIEW3D) && (t->region->regiontype == RGN_TYPE_WINDOW) && + (t->data_len_all == 1)) || + (t->data_len_all == 3 && TRANS_DATA_CONTAINER_FIRST_OK(t)->data[0].val == NULL)) { + /* For cases where only one point on the curve is being transformed and the radius of that + * point is zero, use the factor to multiply the offset of the ratio and allow scaling. + * Note that for bezier curves, 3 TransData equals 1 point in most cases. */ + RegionView3D *rv3d = t->region->regiondata; + scale_factor = rv3d->pixsize * t->mouse.factor * t->zfac; + } + t->custom.mode.data = POINTER_FROM_UINT(float_as_uint(scale_factor)); } /** \} */ |