def draw(self):
for i in range(0, 6):
for j in range(0, 6):
self.setFillStyle(
Color('rgb(%d,%d,0)' %
(floor(255 - 42.5 * i), floor(255 - 42.5 * j))))
self.fillRect(j * 25, i * 25, 25, 25)
def draw(self):
pi = 3.14159265358979323
if not getattr(self, 'clock', None):
return
self.setGlobalCompositeOperation('destination-over')
# clear canvas
self.clear()
self.saveContext()
self.setFillStyle(Color('rgba(0,0,0,0.4)'))
self.setStrokeStyle(Color('rgba(0,153,255,0.4)'))
self.translate(self.width / 2, self.height / 2)
secs = self.getTimeSeconds()
mins = self.getTimeMinutes() + secs / 60.0
hours = self.getTimeHours() + mins / 60.0
# Seconds
self.saveContext()
self.setFillStyle(Color('rgba(255,0,0,0.4)'))
self.rotate(((2 * pi) / 60) * secs + pi)
self.fillRect(-1, -(self.width * 0.04), 2, self.width * 0.38)
self.restoreContext()
# Minutes
self.saveContext()
self.rotate(((2 * pi) / 60) * mins + pi)
self.fillRect(-1, -1, 3, self.width * 0.35)
self.restoreContext()
# Hours
self.saveContext()
self.rotate(((2 * pi) / 12) * hours + pi)
self.fillRect(-2, -2, 4, self.width * 0.2)
self.restoreContext()
self.restoreContext()
self.drawImage(self.clock.getElement(), 0, 0)
def draw(self):
self.saveContext()
self.fillRect(0, 0, 300, 300)
for i in range(0, 3):
for j in range(0, 3):
self.setStrokeStyle(Color("#9CFF00"))
self.saveContext()
self.translate(50 + j * 100, 50 + i * 100)
self.drawSpirograph(20 * (j + 2) / (j + 1),
-8 * (i + 3) / (i + 1), 10)
self.restoreContext()
self.restoreContext()
def drawDemo(self):
self.canvas.resize(self.width, self.height)
self.particles = []
for i in range(self.numParticles):
self.particles.append( Particle(self) )
self.canvas.saveContext()
self.canvas.setLineWidth(2)
self.canvas.setStrokeStyle(Color(255,0,0))
self.run = True
Timer(10, self)
def draw(self):
pi = 3.14159265358979323
if not getattr(self, 'earth', None):
return
self.setGlobalCompositeOperation('destination-over')
# clear canvas
self.clear()
self.saveContext()
self.setFillStyle(Color('rgba(0,0,0,0.4)'))
self.setStrokeStyle(Color('rgba(0,153,255,0.4)'))
self.translate(150, 150)
# Earth
self.rotate(((2 * pi) / 60) * self.getTimeSeconds() +
((2 * pi) / 60000) * self.getTimeMilliseconds())
self.translate(105, 0)
self.fillRect(0, -12, 50, 24) # Shadow
self.drawImage(self.earth.getElement(), -12, -12)
# Moon
self.saveContext()
self.rotate(((2 * pi) / 6) * self.getTimeSeconds() +
((2 * pi) / 6000) * self.getTimeMilliseconds())
self.translate(0, 28.5)
self.drawImage(self.moon.getElement(), -3.5, -3.5)
self.restoreContext()
self.restoreContext()
self.beginPath()
self.arc(150, 150, 105, 0, pi * 2, False) # Earth orbit
self.stroke()
self.drawImage(self.sun.getElement(), 0, 0)
def draw(self):
pi = 3.14159265358979323
# Loop through rings (from inside to out)
for i in range(1, 6):
self.saveContext()
self.setFillStyle(
Color('rgb(%d,%d,255)' % ((51 * i), (255 - 51 * i))))
# draw individual dots
for j in range(0, i * 6):
self.rotate(pi * 2 / (i * 6))
self.beginPath()
self.arc(0, i * 12.5, 5, 0, pi * 2, True)
self.fill()
self.restoreContext()
def getShadowColor(self):
return Color(self.impl.getShadowColor())
def drawDemo(self):
self.canvas.resize(self.width, self.height)
# DRAW SOME LINEAR GRADIENTS
# Demos ported from Mozilla Development Center Canvas Tutorial
self.canvas.saveContext()
# Create gradients
lingrad = self.canvas.createLinearGradient(0, 0, 0, 150)
lingrad.addColorStop(0.0, Color("#00ABEB"))
lingrad.addColorStop(0.5, Color("#fff"))
lingrad.addColorStop(0.5, Color("#26C000"))
lingrad.addColorStop(1, Color("#fff"))
lingrad2 = self.canvas.createLinearGradient(0, 50, 0, 95)
lingrad2.addColorStop(0.5, Color("#000"))
lingrad2.addColorStop(1, Color("rgba(0,0,0,0)"))
# assign gradients to fill and stroke styles
self.canvas.setFillStyle(lingrad)
self.canvas.setStrokeStyle(lingrad2)
# draw shapes
self.canvas.fillRect(10, 10, 130, 130)
self.canvas.strokeRect(50, 50, 50, 50)
self.canvas.restoreContext()
# DRAW SOME RADIAL GRADIENTS
# Demos ported from Mozilla Development Center Canvas Tutorial
self.canvas.saveContext()
self.canvas.translate(150, 150)
radgrad = self.canvas.createRadialGradient(45, 45, 10, 52, 50, 30)
radgrad.addColorStop(0, Color("#A7D30C"))
radgrad.addColorStop(0.9, Color("#019F62"))
radgrad.addColorStop(1, Color("rgba(1,159,98,0)"))
radgrad2 = self.canvas.createRadialGradient(105, 105, 20, 112, 120, 50)
radgrad2.addColorStop(0, Color("#FF5F98"))
radgrad2.addColorStop(0.75, Color("#FF0188"))
radgrad2.addColorStop(1, Color("rgba(255,1,136,0)"))
radgrad3 = self.canvas.createRadialGradient(95, 15, 15, 102, 20, 40)
radgrad3.addColorStop(0, Color("#00C9FF"))
radgrad3.addColorStop(0.8, Color("#00B5E2"))
radgrad3.addColorStop(1, Color("rgba(0,201,255,0)"))
radgrad4 = self.canvas.createRadialGradient(0, 150, 50, 0, 140, 90)
radgrad4.addColorStop(0, Color("#F4F201"))
radgrad4.addColorStop(0.8, Color("#E4C700"))
radgrad4.addColorStop(1, Color("rgba(228,199,0,0)"))
# draw shapes
self.canvas.setFillStyle(radgrad4)
self.canvas.fillRect(0, 0, 150, 150)
self.canvas.setFillStyle(radgrad3)
self.canvas.fillRect(0, 0, 150, 150)
self.canvas.setFillStyle(radgrad2)
self.canvas.fillRect(0, 0, 150, 150)
self.canvas.setFillStyle(radgrad)
self.canvas.fillRect(0, 0, 150, 150)
self.canvas.restoreContext()
def draw(self):
# create gradients
radgrad = self.createRadialGradient(45, 45, 10, 52, 50, 30)
radgrad.addColorStop(0, Color('#A7D30C'))
radgrad.addColorStop(0.9, Color('#019F62'))
radgrad.addColorStop(1, Color('rgba(1,159,98,0)'))
radgrad2 = self.createRadialGradient(105, 105, 20, 112, 120, 50)
radgrad2.addColorStop(0, Color('#FF5F98'))
radgrad2.addColorStop(0.75, Color('#FF0188'))
radgrad2.addColorStop(1, Color('rgba(255,1,136,0)'))
radgrad3 = self.createRadialGradient(95, 15, 15, 102, 20, 40)
radgrad3.addColorStop(0, Color('#00C9FF'))
radgrad3.addColorStop(0.8, Color('#00B5E2'))
radgrad3.addColorStop(1, Color('rgba(0,201,255,0)'))
radgrad4 = self.createRadialGradient(0, 150, 50, 0, 140, 90)
radgrad4.addColorStop(0, Color('#F4F201'))
radgrad4.addColorStop(0.8, Color('#E4C700'))
radgrad4.addColorStop(1, Color('rgba(228,199,0,0)'))
# draw shapes
self.setFillStyle(radgrad4)
self.fillRect(0, 0, 150, 150)
self.setFillStyle(radgrad3)
self.fillRect(0, 0, 150, 150)
self.setFillStyle(radgrad2)
self.fillRect(0, 0, 150, 150)
self.setFillStyle(radgrad)
self.fillRect(0, 0, 150, 150)
def cloneColorStop(self):
return ColorStop(self.offset, Color(str(self.color())))
"""*
* Use this constant as a parameter for the
* {@link #setGlobalCompositeOperation(String)} method.
"""
DESTINATION_OVER = "destination-over"
"""*
* Use this constant as a parameter for the {@link #setLineJoin(String)}
* method.
"""
MITER = "miter"
"""*
* Use this constant either as a parameter for the {@link #setLineCap(String)}
* or the {@link #setLineJoin(String)} method.
"""
ROUND = "round"
"""*
* Use this constant as a parameter for the
* {@link #setGlobalCompositeOperation(String)} method.
"""
SOURCE_OVER = "source-over"
"""*
* Use this constant as a parameter for the {@link #setLineCap(String)}
* method.
"""
SQUARE = "square"
"""*
* Use this constant as a parameter for the {@link #setBackgroundColor(Color)}
* method.
"""
TRANSPARENT = Color("")