diff options
Diffstat (limited to 'generic/Color.c')
| -rw-r--r-- | generic/Color.c | 23 |
1 files changed, 21 insertions, 2 deletions
diff --git a/generic/Color.c b/generic/Color.c index 4863b52..a395fa1 100644 --- a/generic/Color.c +++ b/generic/Color.c @@ -904,7 +904,7 @@ ZnGetGradient(Tcl_Interp *interp, scan_ptr += 7; type = ZN_CONICAL_GRADIENT; num_coords = ParseRealList(scan_ptr, next_ptr, coords, 4); - if ((num_coords != 1) && (num_coords != 3) && (num_coords != 4)) { + if ((num_coords < 1) && (num_coords > 4)) { goto grad_err3; } angle = (int) coords[0]; @@ -941,8 +941,22 @@ ZnGetGradient(Tcl_Interp *interp, simple = True; grad->num_colors_in = num_colors; grad->type = type; + grad->p.x = grad->p.y = grad->e.x = grad->e.y = 0.0; + switch (type) { case ZN_AXIAL_GRADIENT: + if ((num_coords == 4) && + ((coords[0] != coords[2]) || (coords[1] != coords[3]))) { + grad->p.x = coords[0]; + grad->p.y = coords[1]; + simple = False; + grad->e.x = coords[2]; + grad->e.y = coords[3]; + } + else { + grad->angle = (int) angle; + } + break; case ZN_CONICAL_GRADIENT: if ((num_coords == 4) && ((coords[0] != coords[2]) || (coords[1] != coords[3]))) { @@ -952,7 +966,12 @@ ZnGetGradient(Tcl_Interp *interp, grad->e.x = coords[2]; grad->e.y = coords[3]; } - else if ((type == ZN_CONICAL_GRADIENT) && (num_coords == 3)) { + else if (num_coords == 2) { + grad->p.x = coords[0]; + grad->p.y = coords[1]; + grad->angle = 0; + } + else if (num_coords == 3) { grad->p.x = coords[0]; grad->p.y = coords[1]; grad->angle = (int) coords[2]; |