def get_checkerboard_pixmap():
"""Gets a blue/red checkerboard pattern"""
global _demo_pattern_context
if not _demo_pattern_context:
_demo_pattern_context = Grx.Context.new(32, 32)
save = Grx.save_current_context()
Grx.set_current_context(_demo_pattern_context)
Grx.clear_context(Grx.color_get(0, 0, 255))
Grx.draw_filled_box(0, 0, 16, 16, Grx.color_get(255, 0, 0))
Grx.draw_filled_box(17, 17, 32, 32, Grx.color_get(255, 0, 0))
Grx.set_current_context(save)
return Grx.Pixmap.new_from_context(_demo_pattern_context)
def get_smiley_pixmap(width, height):
"""Gets a smiley face image
Arguments:
width: the width of the pixmap
height: the height of the pixmap
"""
global _demo_image
if not _demo_image:
demo_image_context = Grx.Context.new(27, 27)
save = Grx.save_current_context()
Grx.set_current_context(demo_image_context)
Grx.clear_context(Grx.color_get(0, 0, 255))
Grx.draw_filled_circle(13, 13, 13, Grx.color_get(255, 255, 0))
Grx.draw_filled_circle(8, 8, 2, Grx.color_get_black())
Grx.draw_filled_circle(18, 8, 2, Grx.color_get_black())
Grx.draw_filled_ellipse_arc(13, 16, 7, 5, 1800, 3600,
Grx.ArcStyle.CLOSED_CHORD,
Grx.color_get_black())
Grx.set_current_context(save)
_demo_image = Grx.Pixmap.new_from_context(demo_image_context)
return _demo_image.stretch(width, height)