def render(self):
return
smack = 1/2048.0
glScale(smack,smack,1.0)
VG.set(VG_MATRIX_MODE, VG_MATRIX_PATH_USER_TO_SURFACE)
VG.load_identity()
VG.scale(1.0/smack, 1.0/smack)
# Create the path (a simple circle for now...)
p = VG.Path()
r = 0.1
VGU.ellipse(p, (pe.kaleidoscope_x,pe.kaleidoscope_y), (r,r))
# Set up the drawing and painting parameters
pe.vg_stroke_r = 0.5 + 0.35 * math.sin(7/10.0*pe.time)
pe.vg_stroke_g = 0.5 + 0.35 * math.sin(11/10.0*pe.time)
pe.vg_stroke_g = 0.5 + 0.35 * math.sin(13/10.0*pe.time)
pe.vg_stroke_a = 1.0;
pe.vg_fill_r = 1.0 - pe.vg_stroke_r
pe.vg_fill_g = 1.0 - pe.vg_stroke_g
pe.vg_fill_g = 1.0 - pe.vg_stroke_b
VG.set(VG_STROKE_LINE_WIDTH, pe.vg_stroke_thickness)
paint = VG.ColorPaint((pe.vg_stroke_r, pe.vg_stroke_g,
pe.vg_stroke_b, pe.vg_stroke_a))
VG.set_paint(paint, VG_STROKE_PATH)
paint = VG.ColorPaint((pe.vg_fill_r, pe.vg_fill_g,
pe.vg_fill_b, pe.vg_fill_a))
VG.set_paint(paint, VG_FILL_PATH)
p.draw(VG_FILL_PATH)
p.draw(VG_STROKE_PATH)
def render(self):
smack = 1/2048.0
glScale(smack,smack,1.0)
VG.set(VG_MATRIX_MODE, VG_MATRIX_PATH_USER_TO_SURFACE)
VG.load_identity()
VG.scale(1.0/smack, 1.0/smack)
p = VG.Path()
p.move_to((-0.5,-0.5))
VG.set(VG_STROKE_LINE_WIDTH, .01)
pe.wave_a=0
pe.square_a=0
r = pe.mid
theta = pe.time
#VGU.round_rect(p, (-0.5,-0.5), (1,1), 1-pe.bass, 1-pe.bass)
p.quad_to((-r*cos(theta), r*sin(theta)), (0.5, -0.5))
p.quad_to((-r*cos(theta), r*sin(theta)), (0, 0.5))
p.quad_to((-r*cos(theta), r*sin(theta)), (-0.5, -0.5))
paint = VG.ColorPaint((pe.wave_r, pe.wave_g, pe.wave_b, 1.0))
VG.set_paint(paint, VG_STROKE_PATH)
paint = VG.ColorPaint((1-pe.wave_r, 1-pe.wave_g, 1-pe.wave_b, 1.0))
VG.set_paint(paint, VG_FILL_PATH)
p.draw(VG_FILL_PATH)
p.draw(VG_STROKE_PATH)
def render_bg_old(self):
smack = 1/2048.0
glScale(smack,smack,1.0)
VG.set(VG_MATRIX_MODE, VG_MATRIX_PATH_USER_TO_SURFACE)
VG.load_identity()
VG.scale(1.0/smack, 1.0/smack)
here = -1
idx = 0
while here < 1:
width = random()*.2*3
p = VG.Path()
p.move_to((-5,here+width/2))
p.line_to((5,here+width/2 + random()*.1))
v = random()
VG.set(VG_STROKE_LINE_WIDTH, width)
paint = VG.ColorPaint((0.0, 0.0, 0.0, 1.0))
VG.set_paint(paint, VG_STROKE_PATH)
p.draw(VG_STROKE_PATH)
VG.set(VG_STROKE_LINE_WIDTH, width*.85)
paint = VG.ColorPaint((v, v, v, 1.0))
VG.set_paint(paint, VG_STROKE_PATH)
p.draw(VG_STROKE_PATH)
here += width
def render(self):
if (pe.square_a != 0.0 and pe.vg_mode == 3):
VG.set(VG_STROKE_LINE_WIDTH, 15.0)
fill_paint = VG.ColorPaint((pe.square_r, pe.square_g, pe.square_b, pe.square_a))
stroke_paint = VG.ColorPaint(( 0.65 + 0.350*( 0.60*math.sin(0.742*pe.time) +
0.40*math.sin(1.021*pe.time) ),
0.65 + 0.350*( 0.60*math.sin(0.703*pe.time) +
0.40*math.sin(0.969*pe.time) ),
0.65 + 0.350*( 0.60*math.sin(1.090*pe.time) +
0.40*math.sin(0.963*pe.time) ),
pe.square_a))
VG.set_paint(fill_paint, VG_FILL_PATH)
VG.set_paint(stroke_paint, VG_STROKE_PATH)
p = VG.Path(capabilities=VG_PATH_CAPABILITY_APPEND_TO)
vx=self.vr*math.cos(self.vt)
vy=self.vr*math.sin(self.vt)
p.move_to((self.x,self.y))
self.x+=vx
self.y+=vy
p.line_to((self.x,self.y))
VG.set(VG_MATRIX_MODE, VG_MATRIX_PATH_USER_TO_SURFACE)
VG.load_identity()
VG.scale(0.001, 0.001)
p.draw(VG_STROKE_PATH);
if random()<.01:
self.at = 0
if self.x<-1000 or self.x>1000 or self.y<-1000 or self.y>1000:
self.x=0
self.y=0
self.vt += (random()-.5)*.1
self.vt += self.at
self.at += (random()-.5)*.1
def render_bg(self):
return
self.update()
smack = 1/2048.0
glScale(smack,smack,1.0)
VG.set(VG_MATRIX_MODE, VG_MATRIX_PATH_USER_TO_SURFACE)
VG.load_identity()
VG.scale(1.0/smack, 1.0/smack)
idx = 0
while 1:
here = self.offsets[idx]
width = self.offsets[idx+1]-here
disp = self.displacements[idx]
v = self.values[idx]
idx += 1
if here > 1.0:
break
p = VG.Path()
p.move_to((-5,here+width/2))
p.line_to((5,here+width/2 + disp))
VG.set(VG_STROKE_LINE_WIDTH, width)
paint = VG.ColorPaint((0.0, 0.0, 0.0, 1.0))
VG.set_paint(paint, VG_STROKE_PATH)
p.draw(VG_STROKE_PATH)
VG.set(VG_STROKE_LINE_WIDTH, width*.85)
paint = VG.ColorPaint((v, v, v, 1.0))
VG.set_paint(paint, VG_STROKE_PATH)
p.draw(VG_STROKE_PATH)
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 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 render(self):
if pe.vg_mode == 1:
smack = 1 / 2048.0
glScale(smack, smack, 1.0)
# VG.set(VG_STROKE_JOIN_STYLE, VG_JOIN_ROUND)
VG.set(VG_MATRIX_MODE, VG_MATRIX_PATH_USER_TO_SURFACE)
VG.load_identity()
VG.scale(1.0 / smack, 1.0 / smack)
p = VG.Path()
p.move_to((0, 0))
VG.set(VG_STROKE_LINE_WIDTH, 0.01)
# VGU.rect(p, (0,0), (pe.q1,pe.q2))
# VGU.rect(p, (0,0), (x,y))
# VGU.arc(p, (0,0), (pe.q1,pe.q2),
# 0, 2*pi,
# 0xF100)
# VGU.arc(p, (0,0), (.5,.5), 0, 90, 0xF100)
# r = pe.q1
# p.move_to((0,r))
# p.arc_to((r,0), r, r, 0, False, False)
# paint = VG.ColorPaint((0.0, 1.0, 1.0, 1.0))
# VG.set_paint(paint, VG_STROKE_PATH)
# p.draw(VG_STROKE_PATH);
# self.wheel(NUM_SEGMENTS, DUTY_CYCLE, OUTER_RADIUS, INNER_RADIUS, LINE_WIDTH,
# 0, 1, 1)
RADIUS = 0.2 * (sin(pe.time) + 1.0) / 2.0 * 3.0
COUNT = 10
SIZE = 0.2
BIAS = pe.time / COUNT * 2 * pi
for i in range(0, COUNT):
saved = VG.get_matrix()
angle = 2 * pi * (float(i) / COUNT) + BIAS
VG.translate(RADIUS * cos(angle), RADIUS * sin(angle))
VG.scale(SIZE, SIZE)
VG.rotate(pe.time * 2 * pi * 10.0 + float(i) / COUNT * 2 * pi * 2.0)
self.wheel(5, DUTY_CYCLE, OUTER_RADIUS, INNER_RADIUS, LINE_WIDTH, float(COUNT), 1, 1)
VG.load_matrix(saved)
return
GRID_X = 5
GRID_Y = 5
idx = 0
seed(int(pe.time))
step = pe.time - int(pe.time)
phase = sin(step * pi)
for j in range(0, GRID_Y):
for i in range(0, GRID_X):
saved = VG.get_matrix()
VG.translate((i + 0.5) / GRID_X * 2 - 1, (j + 0.5) / GRID_Y * 2 - 1)
VG.scale(2.0 / GRID_X, 2.0 / GRID_Y)
# if random() < .1:
# VG.scale(1.0+phase,1.0+phase)
VG.scale(pe.bass + 1.0, pe.treb + 1.0)
VG.rotate(float(i) / GRID_X * 360.0 * pe.time)
# awesome
# VG.translate(sin(pe.time+i/GRID_Y),0)
segments = min(j + 1, GRID_Y - j)
flag = True if ((j + 2) % (i + 2)) and ((i + 2) % (j + 2)) else False
self.wheel(
segments,
DUTY_CYCLE,
OUTER_RADIUS,
INNER_RADIUS,
LINE_WIDTH,
float(i) / GRID_X,
sin(float(i) / GRID_X * pi) + sin(pe.time) * 2 * pi,
1,
)
VG.load_matrix(saved)
