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)
def activate(app):
x = Grx.get_width() // 8
y = Grx.get_height() // 8
r1 = int(x * 0.8)
r2 = int(y * 0.8)
colors = Grx.color_get_ega_colors()
white = colors[Grx.EgaColorIndex.WHITE]
checker = demo.get_checkerboard_pixmap()
line_opt0 = Grx.LineOptions()
# just a plain old ellipse
Grx.draw_ellipse(x, y, r1, r2, white)
Grx.draw_filled_ellipse(x, y * 3, r1, r2, white)
Grx.draw_ellipse_with_pixmap(x, y * 5, r1, r2, line_opt0, checker)
Grx.draw_filled_ellipse_with_pixmap(x, y * 7, r1, r2, checker)
# quarter a ellipses
Grx.draw_ellipse_arc(x * 3, y, r1, r2, 0, 900, Grx.ArcStyle.OPEN, white)
Grx.draw_filled_ellipse_arc(x * 3, y * 3, r1, r2, 0, 900,
Grx.ArcStyle.OPEN, white)
Grx.draw_ellipse_arc_with_pixmap(x * 3, y * 5, r1, r2, 0, 900,
Grx.ArcStyle.OPEN, line_opt0, checker)
Grx.draw_filled_ellipse_arc_with_pixmap(x * 3, y * 7, r1, r2, 0, 900,
Grx.ArcStyle.OPEN, checker)
Grx.draw_ellipse_arc(x * 3, y, r1, r2, 1800, 2700,
Grx.ArcStyle.CLOSED_CHORD, white)
Grx.draw_filled_ellipse_arc(x * 3, y * 3, r1, r2, 1800, 2700,
Grx.ArcStyle.CLOSED_CHORD, white)
Grx.draw_ellipse_arc_with_pixmap(x * 3, y * 5, r1, r2, 1800, 2700,
Grx.ArcStyle.CLOSED_CHORD, line_opt0,
checker)
Grx.draw_filled_ellipse_arc_with_pixmap(x * 3, y * 7, r1, r2, 1800, 2700,
Grx.ArcStyle.CLOSED_CHORD, checker)
# stretchy Pac-Man
Grx.draw_ellipse_arc(x * 5, y, r1, r2, 450, 3150,
Grx.ArcStyle.CLOSED_RADIUS, white)
Grx.draw_filled_ellipse_arc(x * 5, y * 3, r1, r2, 450, 3150,
Grx.ArcStyle.CLOSED_RADIUS, white)
Grx.draw_ellipse_arc_with_pixmap(x * 5, y * 5, r1, r2, 450, 3150,
Grx.ArcStyle.CLOSED_RADIUS, line_opt0,
checker)
Grx.draw_filled_ellipse_arc_with_pixmap(x * 5, y * 7, r1, r2, 450, 3150,
Grx.ArcStyle.CLOSED_RADIUS,
checker)
# line options
line_opt = Grx.LineOptions()
line_opt.color = colors[Grx.EgaColorIndex.GREEN]
line_opt.width = 1
line_opt.n_dash_patterns = 2
line_opt.dash_pattern0 = 2
line_opt.dash_pattern1 = 2
Grx.draw_ellipse_with_options(x * 7, y, r1, r2, line_opt)
Grx.draw_ellipse_arc_with_options(x * 7, y * 3, r1, r2, 2250, 1350,
Grx.ArcStyle.CLOSED_RADIUS, line_opt)
Grx.draw_ellipse_arc_with_pixmap(x * 7, y * 5, r1, r2, 2250, 1350,
Grx.ArcStyle.CLOSED_RADIUS, line_opt,
checker)
# reusable points
points = Grx.generate_ellipse(x * 7, y * 7, r1, r2)
Grx.draw_polygon(points, white)
def activate(app):
x = Grx.get_width() // 8
y = Grx.get_height() // 8
r1 = int(x * 0.8)
r2 = int(y * 0.8)
colors = Grx.color_get_ega_colors()
white = colors[Grx.EgaColorIndex.WHITE]
checker = demo.get_checkerboard_pixmap()
line_opt0 = Grx.LineOptions()
# just a plain old ellipse
Grx.draw_ellipse(x, y, r1, r2, white)
Grx.draw_filled_ellipse(x, y * 3, r1, r2, white)
Grx.draw_ellipse_with_pixmap(x, y * 5, r1, r2, line_opt0, checker)
Grx.draw_filled_ellipse_with_pixmap(x, y * 7, r1, r2, checker)
# quarter a ellipses
Grx.draw_ellipse_arc(x * 3, y, r1, r2, 0, 900, Grx.ArcStyle.OPEN, white)
Grx.draw_filled_ellipse_arc(x * 3, y * 3, r1, r2, 0, 900,
Grx.ArcStyle.OPEN, white)
Grx.draw_ellipse_arc_with_pixmap(x * 3, y * 5, r1, r2, 0, 900,
Grx.ArcStyle.OPEN, line_opt0, checker)
Grx.draw_filled_ellipse_arc_with_pixmap(x * 3, y * 7, r1, r2, 0, 900,
Grx.ArcStyle.OPEN, checker)
Grx.draw_ellipse_arc(x * 3, y, r1, r2, 1800, 2700,
Grx.ArcStyle.CLOSED_CHORD, white)
Grx.draw_filled_ellipse_arc(x * 3, y * 3, r1, r2, 1800, 2700,
Grx.ArcStyle.CLOSED_CHORD, white)
Grx.draw_ellipse_arc_with_pixmap(x * 3, y * 5, r1, r2, 1800, 2700,
Grx.ArcStyle.CLOSED_CHORD, line_opt0,
checker)
Grx.draw_filled_ellipse_arc_with_pixmap(x * 3, y * 7, r1, r2, 1800, 2700,
Grx.ArcStyle.CLOSED_CHORD, checker)
# stretchy Pac-Man
Grx.draw_ellipse_arc(x * 5, y, r1, r2, 450, 3150,
Grx.ArcStyle.CLOSED_RADIUS, white)
Grx.draw_filled_ellipse_arc(x * 5, y * 3, r1, r2, 450, 3150,
Grx.ArcStyle.CLOSED_RADIUS, white)
Grx.draw_ellipse_arc_with_pixmap(x * 5, y * 5, r1, r2, 450, 3150,
Grx.ArcStyle.CLOSED_RADIUS, line_opt0,
checker)
Grx.draw_filled_ellipse_arc_with_pixmap(x * 5, y * 7, r1, r2, 450, 3150,
Grx.ArcStyle.CLOSED_RADIUS,
checker)
# line options
line_opt = Grx.LineOptions()
line_opt.color = colors[Grx.EgaColorIndex.GREEN]
line_opt.width = 1
line_opt.n_dash_patterns = 2
line_opt.dash_pattern0 = 2
line_opt.dash_pattern1 = 2
Grx.draw_ellipse_with_options(x * 7, y, r1, r2, line_opt)
Grx.draw_ellipse_arc_with_options(x * 7, y * 3, r1, r2, 2250, 1350,
Grx.ArcStyle.CLOSED_RADIUS, line_opt)
Grx.draw_ellipse_arc_with_pixmap(x * 7, y * 5, r1, r2, 2250, 1350,
Grx.ArcStyle.CLOSED_RADIUS, line_opt,
checker)
# reusable points
points = Grx.generate_ellipse(x * 7, y * 7, r1, r2)
Grx.draw_polygon(points, white)