diff options
| -rw-r--r-- | source/blender/editors/sculpt_paint/paint_image.c | 9 |
1 files changed, 6 insertions, 3 deletions
diff --git a/source/blender/editors/sculpt_paint/paint_image.c b/source/blender/editors/sculpt_paint/paint_image.c index 0e3592f59ee..87866f764bc 100644 --- a/source/blender/editors/sculpt_paint/paint_image.c +++ b/source/blender/editors/sculpt_paint/paint_image.c @@ -527,8 +527,11 @@ BlurKernel *paint_new_blur_kernel(Brush *br, bool proj) kernel->pixel_len = radius; } else { - radius = br->blur_kernel_radius; + if (br->blur_kernel_radius <= 0) + br->blur_kernel_radius = 1; + radius = br->blur_kernel_radius; + side = kernel->side = radius * 2 + 1; kernel->side_squared = kernel->side * kernel->side; kernel->wdata = MEM_mallocN(sizeof(float) * kernel->side_squared, "blur kernel data"); @@ -543,11 +546,11 @@ BlurKernel *paint_new_blur_kernel(Brush *br, bool proj) case KERNEL_GAUSSIAN: { - /* at standard deviation of 3.0 kernel is at about zero */ + /* at 3.0 standard deviations distance, kernel is about zero */ float standard_dev = radius / 3.0f; /* make the necessary adjustment to the value for use in the normal distribution formula */ - standard_dev = standard_dev * standard_dev * 2; + standard_dev = -standard_dev * standard_dev * 2; for (i = 0; i < side; i++) { for (j = 0; j < side; j++) { |