Renders a frame around the rectangle defined by x, y, width, height.
Examples of frame rendering, showing the effect of border-image, border-color, border-width, border-radius and junctions:
a gtk.style_context.StyleContext
a cairo.context.Context
X origin of the rectangle
Y origin of the rectangle
rectangle width
rectangle height
Renders a frame around the rectangle defined by x, y, width, height.
Examples of frame rendering, showing the effect of border-image, border-color, border-width, border-radius and junctions: