Commit: 6c8db7c22ba48c49df0de0ab655b79342d866281 Author: Chris Blackbourn Date: Fri Jan 27 17:05:15 2023 +1300 Branches: master https://developer.blender.org/rB6c8db7c22ba48c49df0de0ab655b79342d866281
Fix T103868: render uv transform gizmo even if it has zero area Change the 2D Gizmo drawing function to provide a usable transform matrix, if it would otherwise be degenerate. Differential Revision: https://developer.blender.org/D17113 =================================================================== M source/blender/editors/transform/transform_gizmo_2d.c =================================================================== diff --git a/source/blender/editors/transform/transform_gizmo_2d.c b/source/blender/editors/transform/transform_gizmo_2d.c index a6eb25975e9..b99a650c3c0 100644 --- a/source/blender/editors/transform/transform_gizmo_2d.c +++ b/source/blender/editors/transform/transform_gizmo_2d.c @@ -604,8 +604,11 @@ static void gizmo2d_xform_draw_prepare(const bContext *C, wmGizmoGroup *gzgroup) UI_view2d_view_to_region_m4(®ion->v2d, ggd->cage->matrix_space); /* Define the bounding box of the gizmo in the offset transform matrix. */ unit_m4(ggd->cage->matrix_offset); - ggd->cage->matrix_offset[0][0] = (ggd->max[0] - ggd->min[0]); - ggd->cage->matrix_offset[1][1] = (ggd->max[1] - ggd->min[1]); + const float min_gizmo_pixel_size = 0.001f; /* Draw Gizmo larger than this many pixels. */ + const float min_scale_axis_x = min_gizmo_pixel_size / ggd->cage->matrix_space[0][0]; + const float min_scale_axis_y = min_gizmo_pixel_size / ggd->cage->matrix_space[1][1]; + ggd->cage->matrix_offset[0][0] = max_ff(min_scale_axis_x, ggd->max[0] - ggd->min[0]); + ggd->cage->matrix_offset[1][1] = max_ff(min_scale_axis_y, ggd->max[1] - ggd->min[1]); ScrArea *area = CTX_wm_area(C); _______________________________________________ Bf-blender-cvs mailing list Bf-blender-cvs@blender.org List details, subscription details or unsubscribe: https://lists.blender.org/mailman/listinfo/bf-blender-cvs
