Check if cropX or cropY is 0 because it results in image-bug
Check if cropX or cropY is 0 because it results in image-bug

If drawing a rectangle at topmost or leftmost position with 0 width it will
have at least 1px which is wrong. So no rectangle should be drawn if cropX
or cropY is zero.

Ben-Ho/koala-framework,nsams/koala-framework,darimpulso/koala-framework,kaufmo/koala-framework,darimpulso/koala-framework,Sogl/koala-framework,koala-framework/koala-framework,yacon/koala-framework,kaufmo/koala-framework,nsams/koala-framework,Sogl/koala-framework,Ben-Ho/koala-framework,kaufmo/koala-framework,koala-framework/koala-framework,nsams/koala-framework,yacon/koala-framework,yacon/koala-framework