def __init__(self):
VG.create_context((2048,2048))
self.offsets = []
self.displacements = []
self.values = []
self.fill()
def __init__(self):
VG.create_context((2048,2048))
self.x = 0
self.y = -.99
self.vr = 10
self.vt = math.pi/2
self.at = 0
def main():
pygame.init()
pygame.display.gl_set_attribute(pygame.GL_STENCIL_SIZE, 2)
srf = pygame.display.set_mode((640,480), pygame.OPENGL | pygame.DOUBLEBUF)
pygame.display.set_caption("Paint test")
VG.create_context((640, 480))
VG.set(VG_CLEAR_COLOR, (1.0, 1.0, 1.0, 1.0))
VG.set(VG_STROKE_LINE_WIDTH, 3.0)
p = VG.Path(capabilities=VG_PATH_CAPABILITY_APPEND_TO)
VGU.ellipse(p, (0, 0), (64*2,64*2))
solid_paint = VG.ColorPaint((1.0, 0.0, 1.0))
stops = [(0.0,(1.0,1.0,1.0,1.0)), (0.333,(1.0,0.0,0.0,1.0)), (0.666,(0.0,1.0,0.0,1.0)), (1.0,(0.0,0.0,1.0,1.0))]
linear_gradient = [(-60,0), (60,0)]
linear_paint = VG.GradientPaint(linear_gradient, linear=True)
linear_paint.spread_mode = VG_COLOR_RAMP_SPREAD_REFLECT
linear_paint.stops = stops
radial_gradient = [(0,0), (0,0), 64]
radial_paint = VG.GradientPaint(radial_gradient, linear=False)
radial_paint.stops = stops
running = True
while running:
events = pygame.event.get()
for e in events:
if e.type == pygame.QUIT:
running = False
elif e.type == pygame.KEYDOWN:
if e.key == pygame.K_ESCAPE:
running = False
VG.clear((0, 0), (640, 480))
VG.set(VG_MATRIX_MODE, VG_MATRIX_PATH_USER_TO_SURFACE)
VG.load_identity()
VG.translate(68, 240-64)
VG.set_paint(solid_paint, VG_FILL_PATH)
p.draw(VG_STROKE_PATH | VG_FILL_PATH)
VG.translate(192, 0)
VG.set_paint(linear_paint, VG_FILL_PATH)
p.draw(VG_STROKE_PATH | VG_FILL_PATH)
VG.translate(192, 0)
VG.set_paint(radial_paint, VG_FILL_PATH)
p.draw(VG_STROKE_PATH | VG_FILL_PATH)
pygame.display.flip()
def setup(name, width, height, flags=pygame.DOUBLEBUF):
pygame.init()
pygame.display.gl_set_attribute(pygame.GL_STENCIL_SIZE, 2)
screen = pygame.display.set_mode((width, height), pygame.OPENGL | flags)
pygame.display.set_caption(name)
VG.create_context((width, height))
VG.set(VG_CLEAR_COLOR, (1.0, 1.0, 1.0, 1.0))
pm.init_pymunk()
return screen
def main(width, height):
pygame.init()
pygame.display.gl_set_attribute(pygame.GL_STENCIL_SIZE, 2)
srf = pygame.display.set_mode((width, height), pygame.OPENGL | pygame.DOUBLEBUF)
pygame.display.set_caption("Rainbow Gradient Test")
VG.create_context((width, height))
VG.set(VG_CLEAR_COLOR, (1.0, 1.0, 1.0, 1.0))
canvas = VG.Path(capabilities=VG_PATH_CAPABILITY_APPEND_TO)
VGU.rect(canvas, (0, 0), (width, height))
rgb_gradient = VG.GradientPaint([(0,0), (width,0)], linear=True)
rgb_gradient.spread_mode = VG_COLOR_RAMP_SPREAD_REFLECT
rgb_gradient.stops = generate_rgb_stops(7)
alpha_stops = [(0.0, (0.0, 0.0, 0.0, 0.0)),
(1.0, (1.0, 1.0, 1.0, 1.0))]
alpha_gradient = VG.GradientPaint([(0,0), (0,height)], linear=True)
alpha_gradient.spread_mode = VG_COLOR_RAMP_SPREAD_REFLECT
alpha_gradient.stops = alpha_stops
n = 7
running = True
while running:
events = pygame.event.get()
for e in events:
if e.type == pygame.QUIT:
running = False
elif e.type == pygame.KEYDOWN:
if e.key == pygame.K_ESCAPE:
running = False
elif e.type == pygame.MOUSEBUTTONDOWN:
if e.button == 4:
n += 1
rgb_gradient.stops = generate_rgb_stops(n)
elif e.button == 5:
if n > 2:
n -= 1
rgb_gradient.stops = generate_rgb_stops(n)
VG.clear((0, 0), (640, 480))
VG.set_paint(rgb_gradient, VG_FILL_PATH)
canvas.draw(VG_FILL_PATH)
VG.set_paint(alpha_gradient, VG_FILL_PATH)
canvas.draw(VG_FILL_PATH)
pygame.display.flip()
def main(width, height):
pygame.init()
pygame.display.gl_set_attribute(pygame.GL_STENCIL_SIZE, 2)
srf = pygame.display.set_mode((width, height), pygame.OPENGL | pygame.DOUBLEBUF)
pygame.display.set_caption("Polyline test")
VG.create_context((width, height))
VG.set(VG_CLEAR_COLOR, (1.0, 1.0, 1.0, 1.0))
polyline = VG.Path()
stroke_paint = VG.ColorPaint((0.5, 0.2, 0.8, 0.6))
VG.set_paint(stroke_paint, VG_STROKE_PATH)
fill_paint = VG.ColorPaint((0.3, 1.0, 0.0, 0.6))
VG.set_paint(fill_paint, VG_FILL_PATH)
polyline.style = VG.Style(VG_STROKE_LINE_WIDTH = 4.0,
VG_STROKE_JOIN_STYLE = VG_JOIN_MITER,
VG_STROKE_CAP_STYLE = VG_CAP_ROUND)
print "Usage"
print "Left click: LINE_TO"
print "Right click: MOVE_TO"
running = True
first_click = True
while running:
events = pygame.event.get()
for e in events:
if e.type == pygame.QUIT:
running = False
elif e.type == pygame.KEYDOWN:
if e.key == pygame.K_ESCAPE:
running = False
elif e.type == pygame.MOUSEBUTTONDOWN:
if e.button == 1: #left button
if first_click:
polyline.move_to((e.pos[0], height-e.pos[1]), rel=False)
first_click = False
else:
polyline.line_to((e.pos[0], height-e.pos[1]), rel=False)
elif e.button == 3:#right button
polyline.move_to((e.pos[0], height-e.pos[1]), rel=False)
VG.clear((0, 0), (width, height))
polyline.draw(VG_STROKE_PATH)
pygame.display.flip()
def main(width, height, path, flags=0):
pygame.init()
pygame.display.gl_set_attribute(pygame.GL_STENCIL_SIZE, 2)
flags |= pygame.OPENGL | pygame.DOUBLEBUF
screen = pygame.display.set_mode((width, height), flags)
pygame.display.set_caption("Pygame Image Draw Test")
VG.create_context((width, height))
VG.set(VG_CLEAR_COLOR, (1.0, 1.0, 1.0, 1.0))
im = load_image(path)
dump_image(im)
dest_x = (width-im.width)/2.0
dest_y = (height-im.height)/2.0
dragging = False
running = True
while running:
events = pygame.event.get()
for e in events:
if e.type == pygame.QUIT:
running = False
elif e.type == pygame.KEYDOWN:
if e.key == pygame.K_ESCAPE:
running = False
elif e.type == pygame.MOUSEBUTTONDOWN:
if e.button == 1:
dragging = True
elif e.type == pygame.MOUSEBUTTONUP:
if e.button == 1:
dragging = False
elif e.type == pygame.MOUSEMOTION:
if dragging:
dest_x += e.rel[0]
dest_y -= e.rel[1]
VG.clear((0, 0), (width, height))
VG.set(VG_MATRIX_MODE, VG_MATRIX_IMAGE_USER_TO_SURFACE)
VG.load_identity()
VG.translate(dest_x, dest_y)
im.draw()
pygame.display.flip()
def main(width, height, message, rpm=20):
pygame.init()
pygame.display.gl_set_attribute(pygame.GL_STENCIL_SIZE, 2)
srf = pygame.display.set_mode((width, height), pygame.OPENGL | pygame.DOUBLEBUF)
pygame.display.set_caption("Freetype Font test")
VG.create_context((width, height))
VG.set(VG_CLEAR_COLOR, (1.0, 1.0, 1.0, 1.0))
font = Font("data/fonts/Vera.ttf", 64)
red_paint = VG.ColorPaint((1.0, 0.0, 0.0, 1.0))
text = font.build_path(message)
(x, y), (w, h) = text.bounds()
text.style = VG.Style(VG_STROKE_LINE_WIDTH = 1.0,
fill_paint = red_paint)
clock = pygame.time.Clock()
dt = 0
cx = width/2.0 - w/2.0
cy = height/2.0 - h/2.0
running = True
while running:
events = pygame.event.get()
for e in events:
if e.type == pygame.QUIT:
running = False
elif e.type == pygame.KEYDOWN:
if e.key == pygame.K_ESCAPE:
running = False
elif e.type == pygame.MOUSEBUTTONDOWN:
pos = e.pos
cx = pos[0] - w/2.0
cy = height-pos[1] - h/2.0
VG.clear((0, 0), (width, height))
VG.load_identity()
VG.translate(cx, cy)
rotate_about((x+w/2.0, y+h/2.0), dt*360.0*rpm / (60*1000.0))
text.draw(VG_STROKE_PATH | VG_FILL_PATH)
pygame.display.flip()
dt += clock.tick(60)
def main(width, height):
pygame.init()
pygame.display.gl_set_attribute(pygame.GL_STENCIL_SIZE, 2)
pygame.display.gl_set_attribute(pygame.GL_MULTISAMPLEBUFFERS, 1)
pygame.display.gl_set_attribute(pygame.GL_MULTISAMPLESAMPLES, 4)
screen = pygame.display.set_mode((width, height), pygame.OPENGL | pygame.DOUBLEBUF)
pygame.display.set_caption("Flower test")
VG.create_context((width, height))
VG.set(VG_CLEAR_COLOR, (0.0, 0.0, 0.0, 1.0))
vera = Font("data/fonts/Vera.ttf", 32)
message = vera.build_path("Hold down LMB to create flowers")
message.style = VG.Style(fill_paint=VG.ColorPaint((1.0, 1.0, 1.0, 0.7)))
doc = parse_svg("data/svg/flower.svg")
flower = doc.getroot()
(x,y), (w,h) = flower.bounds()
cx,cy = x+w/2.0, y+h/2.0
particles = []
to_remove = []
clock = pygame.time.Clock()
dt = 0
running = True
while running:
for e in pygame.event.get():
if e.type == pygame.QUIT:
running = False
elif e.type == pygame.KEYDOWN:
if e.key == pygame.K_ESCAPE:
running = False
if pygame.mouse.get_pressed()[0]:
x,y = pygame.mouse.get_pos()
m = random.randint(-60, 60)
angle = random.randint(0,359)
pos = (x-cx, height-y-cy)
vel = (m*math.cos(math.radians(angle)),
m*math.sin(math.radians(angle)))
rot = random.randint(-30, 30)
scale = random.randint(8, 12)/10.0
particles.append([pos, vel, random.randint(0,359), rot, scale])
VG.clear((0,0), (width, height))
for particle in particles:
VG.load_identity()
pos, vel, angle, rot, scale = particle
VG.translate(pos[0]+cx, pos[1]+cy)
VG.scale(scale, scale)
VG.rotate(angle)
VG.translate(-cx, -cy)
flower.draw()
particle[0] = (pos[0]+vel[0]*dt/1000.0,pos[1]+vel[1]*dt/1000.0)
particle[2] += rot * dt/1000.0
if particle[0][0] + w < 0 or particle[0][1] + h < 0:
to_remove.append(particle)
elif particle[0][0] - w > width or particle[0][1] - h > height:
to_remove.append(particle)
particles = [particle for particle in particles if particle not in to_remove]
del to_remove[:]
VG.load_identity()
message.draw(VG_FILL_PATH)
dt = clock.tick(30)
pygame.display.flip()
def main(width, height):
pygame.init()
pygame.display.gl_set_attribute(pygame.GL_STENCIL_SIZE, 2)
srf = pygame.display.set_mode((width, height), pygame.OPENGL | pygame.DOUBLEBUF)
pygame.display.set_caption("Interpolation test")
VG.create_context((width, height))
VG.set(VG_CLEAR_COLOR, (1.0, 1.0, 1.0, 1.0))
paths = []
path_tag = ".//{http://www.w3.org/2000/svg}path"
VG.set(VG_MATRIX_MODE, VG_MATRIX_PATH_USER_TO_SURFACE)
VG.scale(5.0, 5.0)
doc = parse_svg("data/svg/shapes.svg")
for element in doc.findall(path_tag):
path = element.path.transform()
path.style = element.style
if not path.style:
path.style = VG.Style(VG_STROKE_LINE_WIDTH=5.0)
else:
path.style[VG_STROKE_LINE_WIDTH] *= 2
paths.append(path)
VG.load_identity()
morph = VG.Path()
start = paths[0]
end = paths[1]
morph.style = start.style
VG.set(VG_MATRIX_MODE, VG_MATRIX_PATH_USER_TO_SURFACE)
VG.translate(220, 140)
clock = pygame.time.Clock()
running = True
dt = 0
i = 0
while running:
events = pygame.event.get()
for e in events:
if e.type == pygame.QUIT:
running = False
elif e.type == pygame.KEYDOWN:
if e.key == pygame.K_ESCAPE:
running = False
VG.clear((0, 0), (width, height))
morph.clear()
VG.interpolate(start, end, morph, dt/float(MORPH_TIME))
morph.draw(VG_STROKE_PATH)
pygame.display.flip()
dt += clock.tick(60)
if dt >= MORPH_TIME:
dt -= MORPH_TIME
i += 1
start = paths[i % len(paths)]
end = paths[(i+1) % len(paths)]
morph.style = start.style
def __init__(self):
VG.create_context((2048,2048))
def main(width, height, radius, count, flags=0):
pygame.init()
pygame.display.gl_set_attribute(pygame.GL_STENCIL_SIZE, 2)
flags |= pygame.OPENGL | pygame.DOUBLEBUF
srf = pygame.display.set_mode((width, height), flags)
pygame.display.set_caption("Blending test")
VG.create_context((width, height))
VG.set(VG_CLEAR_COLOR, (1.0, 1.0, 1.0, 1.0))
orange_paint = VG.ColorPaint((1.0, 0.5, 0.0, 0.5))
blue_paint = VG.ColorPaint((0.0, 0.0, 1.0, 0.5))
black_paint = VG.ColorPaint((0.0, 0.0, 0.0))
blend_modes = [VG_BLEND_SRC, VG_BLEND_SRC_OVER, VG_BLEND_DST_OVER,
VG_BLEND_SRC_IN, VG_BLEND_DST_IN, VG_BLEND_MULTIPLY,
VG_BLEND_SCREEN, VG_BLEND_DARKEN, VG_BLEND_LIGHTEN,
VG_BLEND_ADDITIVE]
blend_index = 0
VG.set(VG_BLEND_MODE, blend_modes[0])
font = Font("data/fonts/Vera.ttf", 30)
src_path = font.build_path("SRC")
dst_path = font.build_path("DST")
message = font.build_path("Scroll to change the blend mode")
circle = VG.Path()
VGU.ellipse(circle, (0, 0), (radius*2, radius*2))
center_and_concat(circle, dst_path)
square = VG.Path()
VGU.rect(square, (-radius, -radius), (radius*2, radius*2))
center_and_concat(square, src_path)
circle2 = VG.Path()
VGU.ellipse(circle2, (0, 0), (radius*2, radius*2))
running = True
while running:
events = pygame.event.get()
for e in events:
if e.type == pygame.QUIT:
running = False
elif e.type == pygame.KEYDOWN:
if e.key == pygame.K_ESCAPE:
running = False
elif e.type == pygame.MOUSEBUTTONDOWN:
if e.button == 4:
blend_index += 1
VG.set(VG_BLEND_MODE, blend_modes[blend_index % len(blend_modes)])
elif e.button == 5:
blend_index -= 1
VG.set(VG_BLEND_MODE, blend_modes[blend_index % len(blend_modes)])
VG.clear((0, 0), (width, height))
VG.set(VG_MATRIX_MODE, VG_MATRIX_PATH_USER_TO_SURFACE)
VG.load_identity()
VG.translate(width - radius*1.5, radius * 2.5)
circle.draw(VG_FILL_PATH | VG_STROKE_PATH)
VG.translate(-radius, -radius)
VG.set_paint(orange_paint, VG_FILL_PATH)
square.draw(VG_FILL_PATH | VG_STROKE_PATH)
VG.set_paint(blue_paint, VG_FILL_PATH)
for i in xrange(count):
angle = i*2*math.pi/count
VG.load_identity()
VG.translate(width//2, height//2)
VG.translate(radius*math.cos(angle), radius*math.sin(angle))
circle2.draw(VG_FILL_PATH)
VG.load_identity()
(x,y), (w,h) = message.bounds()
VG.translate(-x, height-y-h)
message.draw(VG_STROKE_PATH | VG_FILL_PATH)
pygame.display.flip()
def main(width, height, directory):
pygame.init()
pygame.display.gl_set_attribute(pygame.GL_STENCIL_SIZE, 2)
pygame.display.gl_set_attribute(pygame.GL_MULTISAMPLEBUFFERS, 1)
pygame.display.gl_set_attribute(pygame.GL_MULTISAMPLESAMPLES, 4)
screen = pygame.display.set_mode((width, height), pygame.OPENGL | pygame.DOUBLEBUF)
pygame.display.set_caption("SVG Viewer")
VG.create_context((width, height))
VG.set(VG_CLEAR_COLOR, (1.0, 1.0, 1.0, 1.0))
register_font_finder(pygame.font.match_font)
@register_font_finder
def fallback_font(name):
fname = pygame.font.get_default_font()
return os.path.join(os.path.dirname(pygame.font.__file__), fname)
vera = Font("data/fonts/Vera.ttf", 16)
text = vera.build_path("Scroll to change svg files. Drag to see more.")
drawings = []
for root, dirs, files in os.walk(directory):
for fname in files:
if not fname.endswith(".svg"):
continue
path = os.path.join(root, fname)
try:
tree = parse_svg(path)
name = vera.build_path(fname, 16)
tree.getroot().fit(width, height)
drawings.append((tree.getroot(), name))
except:
print "Error in loading %s" % path
traceback.print_exc(0)
dragging = False
dx = dy = 0
i = 0
scale = 1
drawing, name = drawings[0]
(x,y), (w,h) = drawing.bounds()
running = True
while running:
events = pygame.event.get()
for e in events:
if e.type == pygame.QUIT:
running = False
elif e.type == pygame.KEYDOWN:
if e.key == pygame.K_ESCAPE:
running = False
elif e.key == pygame.K_1:
scale = 1
elif e.key == pygame.K_2:
scale = 2
elif e.key == pygame.K_3:
scale = 3
elif e.key == pygame.K_4:
scale = 4
elif e.key == pygame.K_5:
scale = 5
elif e.key == pygame.K_6:
scale = 6
elif e.key == pygame.K_7:
scale = 7
elif e.key == pygame.K_8:
scale = 8
elif e.key == pygame.K_9:
scale = 9
elif e.key == pygame.K_EQUALS:
i += 1
drawing, name = drawings[i % len(drawings)]
(x,y), (w,h) = drawing.bounds()
elif e.key == pygame.K_MINUS:
i -= 1
drawing, name = drawings[i % len(drawings)]
(x,y), (w,h) = drawing.bounds()
elif e.type == pygame.MOUSEBUTTONDOWN:
if e.button == 1 or e.button == 2 or e.button == 3:
dragging = True
else:
if e.button == 4:
i += 1
else:
i -= 1
drawing, name = drawings[i % len(drawings)]
(x,y), (w,h) = drawing.bounds()
elif e.type == pygame.MOUSEBUTTONUP:
if e.button == 1 or e.button == 2 or e.button == 3:
dragging = False
elif e.type == pygame.MOUSEMOTION:
if dragging:
dx += e.rel[0]/2.0**(scale-1)
dy -= e.rel[1]/2.0**(scale-1)
VG.clear((0, 0), (width, height))
VG.load_identity()
VG.scale(2**(scale-1),2**(scale-1))
VG.translate(width/2.0-w/2.0-x+dx, height/2.0-h/2.0-y+dy)
drawing.draw()
VG.load_identity()
VG.translate(10, 10)
text.draw(VG_FILL_PATH)
VG.translate(text.bounds()[1][0]+10, 0)
name.draw(VG_FILL_PATH)
pygame.display.flip()
def main(width, height, font_path, size):
pygame.init()
pygame.display.gl_set_attribute(pygame.GL_STENCIL_SIZE, 2)
srf = pygame.display.set_mode((width, height), pygame.OPENGL | pygame.DOUBLEBUF)
pygame.display.set_caption("Freetype Font test")
VG.create_context((width, height))
VG.set(VG_CLEAR_COLOR, (1.0, 1.0, 1.0, 1.0))
font = Font(font_path, size)
xmin, ymin, xmax, ymax = [x*font.scale for x in font.face.bbox]
the_path = VG.Path()
message = font.build_path("left click and drag to move")
(x, y), (w, h) = message.bounds()
VG.translate(width/2.0-w/2.0, height-h)
message.transform(the_path)
VG.load_identity()
VG.translate(0-xmin, height-ymax-h)
boxes_per_line = int(width/float(xmax-xmin))
i = 0
for char_code, glyph in sorted(font.glyph_table.items()):
font.get_path_for_glyph(glyph).transform(the_path)
VG.translate(xmax-xmin, 0)
i += 1
if i >= boxes_per_line:
VG.translate((xmax-xmin)*-boxes_per_line, ymin-ymax)
i = 0
VG.load_identity()
red_paint = VG.ColorPaint((1.0, 0.0, 0.0, 1.0))
style = VG.Style(VG_STROKE_LINE_WIDTH = 1.0,
fill_paint = red_paint)
style.enable()
dragging = False
running = True
while running:
events = pygame.event.get()
for e in events:
if e.type == pygame.QUIT:
running = False
elif e.type == pygame.KEYDOWN:
if e.key == pygame.K_ESCAPE:
running = False
elif e.type == pygame.MOUSEBUTTONDOWN:
if e.button == 1:
dragging = True
elif e.type == pygame.MOUSEBUTTONUP:
if e.button == 1:
dragging = False
elif e.type == pygame.MOUSEMOTION:
if dragging:
VG.translate(e.rel[0], -e.rel[1])
VG.clear((0, 0), (width, height))
the_path.draw(VG_STROKE_PATH | VG_FILL_PATH)
pygame.display.flip()
VG.rotate(math.degrees(self.wheel2.body.angle))
self.wheel_path.draw(VG_STROKE_PATH | VG_FILL_PATH)
VG.load_matrix(mat)
if __name__ == "__main__":
pygame.init()
pymunk.init_pymunk()
pygame.display.gl_set_attribute(pygame.GL_STENCIL_SIZE, 2)
screen = pygame.display.set_mode((640, 480), pygame.OPENGL | pygame.DOUBLEBUF)
pygame.display.set_caption("VG Moon Buggy Demo")
VG.create_context((640, 480))
VG.set(VG_CLEAR_COLOR, (1.0, 1.0, 1.0, 1.0))
world = MoonWorld()
low_point = min(world.terrain_data)
running = True
clock = pygame.time.Clock()
while running:
for event in pygame.event.get():
if event.type == pygame.QUIT:
running = False
elif event.type == pygame.KEYDOWN:
if event.key == pygame.K_ESCAPE:
running = False
