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#/* a custom shape, that could be wrapped in a function */
x0 = 0.1 #/*< parameters like cairo_rectangle */
y0 = 0.1
rect_width = 0.8
rect_height = 0.8
radius = 0.4 #/*< and an approximate curvature radius */
snippet_normalize (cr, width, height)
x1=x0+rect_width
y1=y0+rect_height
#if (!rect_width || !rect_height)
# return
if rect_width/2<radius:
if rect_height/2<radius:
cr.move_to (x0, (y0 + y1)/2)
cr.curve_to (x0 ,y0, x0, y0, (x0 + x1)/2, y0)
cr.curve_to (x1, y0, x1, y0, x1, (y0 + y1)/2)
cr.curve_to (x1, y1, x1, y1, (x1 + x0)/2, y1)
cr.curve_to (x0, y1, x0, y1, x0, (y0 + y1)/2)
else:
cr.move_to (x0, y0 + radius)
cr.curve_to (x0 ,y0, x0, y0, (x0 + x1)/2, y0)
cr.curve_to (x1, y0, x1, y0, x1, y0 + radius)
cr.line_to (x1 , y1 - radius)
cr.curve_to (x1, y1, x1, y1, (x1 + x0)/2, y1)
cr.curve_to (x0, y1, x0, y1, x0, y1- radius)
else:
if rect_height/2<radius:
cr.move_to (x0, (y0 + y1)/2)
cr.curve_to (x0 , y0, x0 , y0, x0 + radius, y0)
cr.line_to (x1 - radius, y0)
cr.curve_to (x1, y0, x1, y0, x1, (y0 + y1)/2)
cr.curve_to (x1, y1, x1, y1, x1 - radius, y1)
cr.line_to (x0 + radius, y1)
cr.curve_to (x0, y1, x0, y1, x0, (y0 + y1)/2)
else:
cr.move_to (x0, y0 + radius)
cr.curve_to (x0 , y0, x0 , y0, x0 + radius, y0)
cr.line_to (x1 - radius, y0)
cr.curve_to (x1, y0, x1, y0, x1, y0 + radius)
cr.line_to (x1 , y1 - radius)
cr.curve_to (x1, y1, x1, y1, x1 - radius, y1)
cr.line_to (x0 + radius, y1)
cr.curve_to (x0, y1, x0, y1, x0, y1- radius)
cr.close_path ()
cr.set_source_rgb (0.5,0.5,1)
cr.fill_preserve ()
cr.set_source_rgba (0.5,0,0,0.5)
cr.stroke ()
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