diff options
Diffstat (limited to 'source/blender/editors/transform/transform_convert.c')
-rw-r--r-- | source/blender/editors/transform/transform_convert.c | 126 |
1 files changed, 0 insertions, 126 deletions
diff --git a/source/blender/editors/transform/transform_convert.c b/source/blender/editors/transform/transform_convert.c index a23689166c4..bab700560fe 100644 --- a/source/blender/editors/transform/transform_convert.c +++ b/source/blender/editors/transform/transform_convert.c @@ -479,132 +479,6 @@ TransDataCurveHandleFlags *initTransDataCurveHandles(TransData *td, struct BezTr /** \name UV Coordinates * \{ */ -/** - * Find the correction for the scaling factor when "Constrain to Bounds" is active. - * \param numerator: How far the UV boundary (unit square) is from the origin of the scale. - * \param denominator: How far the AABB is from the origin of the scale. - * \param scale: Scale parameter to update. - */ -static void constrain_scale_to_boundary(const float numerator, - const float denominator, - float *scale) -{ - if (denominator == 0.0f) { - /* The origin of the scale is on the edge of the boundary. */ - if (numerator < 0.0f) { - /* Negative scale will wrap around and put us outside the boundary. */ - *scale = 0.0f; /* Hold at the boundary instead. */ - } - return; /* Nothing else we can do without more info. */ - } - - const float correction = numerator / denominator; - if (correction < 0.0f || !isfinite(correction)) { - /* TODO: Correction is negative or invalid, but we lack context to fix `*scale`. */ - return; - } - - if (denominator < 0.0f) { - /* Scale origin is outside boundary, only make scale bigger. */ - if (*scale < correction) { - *scale = correction; - } - return; - } - - /* Scale origin is inside boundary, the "regular" case, limit maximum scale. */ - if (*scale > correction) { - *scale = correction; - } -} - -bool clipUVTransform(TransInfo *t, float vec[2], const bool resize) -{ - bool clipx = true, clipy = true; - float min[2], max[2]; - - /* Check if the current image in UV editor is a tiled image or not. */ - const SpaceImage *sima = t->area->spacedata.first; - const Image *image = sima->image; - const bool is_tiled_image = image && (image->source == IMA_SRC_TILED); - /* Stores the coordinates of the closest UDIM tile. - * Also acts as an offset to the tile from the origin of UV space. */ - float base_offset[2] = {0.0f, 0.0f}; - - /* If tiled image then constrain to correct/closest UDIM tile, else 0-1 UV space. */ - if (is_tiled_image) { - int nearest_tile_index = BKE_image_find_nearest_tile(image, t->center_global); - if (nearest_tile_index != -1) { - nearest_tile_index -= 1001; - /* Getting coordinates of nearest tile from the tile index. */ - base_offset[0] = nearest_tile_index % 10; - base_offset[1] = nearest_tile_index / 10; - } - } - - min[0] = min[1] = FLT_MAX; - max[0] = max[1] = FLT_MIN; - - FOREACH_TRANS_DATA_CONTAINER (t, tc) { - - TransData *td; - int a; - - for (a = 0, td = tc->data; a < tc->data_len; a++, td++) { - minmax_v2v2_v2(min, max, td->loc); - } - } - - if (resize) { - /* Assume no change is required. */ - float scalex = 1.0f; - float scaley = 1.0f; - - /* Update U against the left border. */ - constrain_scale_to_boundary( - t->center_global[0] - base_offset[0], t->center_global[0] - min[0], &scalex); - /* Now the right border, negated, because `-1.0 / -1.0 = 1.0` */ - constrain_scale_to_boundary(base_offset[0] + t->aspect[0] - t->center_global[0], - max[0] - t->center_global[0], - &scalex); - - /* Do the same for the V co-ordinate, which is called `y`. */ - constrain_scale_to_boundary( - t->center_global[1] - base_offset[1], t->center_global[1] - min[1], &scaley); - constrain_scale_to_boundary(base_offset[1] + t->aspect[1] - t->center_global[1], - max[1] - t->center_global[1], - &scaley); - - clipx = (scalex != 1.0f); - clipy = (scaley != 1.0f); - vec[0] *= scalex; - vec[1] *= scaley; - } - else { - if (min[0] < base_offset[0]) { - vec[0] += base_offset[0] - min[0]; - } - else if (max[0] > base_offset[0] + t->aspect[0]) { - vec[0] -= max[0] - base_offset[0] - t->aspect[0]; - } - else { - clipx = 0; - } - - if (min[1] < base_offset[1]) { - vec[1] += base_offset[1] - min[1]; - } - else if (max[1] > base_offset[1] + t->aspect[1]) { - vec[1] -= max[1] - base_offset[1] - t->aspect[1]; - } - else { - clipy = 0; - } - } - - return (clipx || clipy); -} - void clipUVData(TransInfo *t) { FOREACH_TRANS_DATA_CONTAINER (t, tc) { |