def rotate(self, surface, angle):
"""
Return Surface rotated by the given angle.
"""
if not angle:
return surface.copy()
theta = angle*self.deg_rad
width_i = surface.get_width()
height_i = surface.get_height()
cos_theta = math.fabs( math.cos(theta) )
sin_theta = math.fabs( math.sin(theta) )
width_f = int( (width_i*cos_theta)+(height_i*sin_theta) )
height_f = int( (width_i*sin_theta)+(height_i*cos_theta) )
if width_f%2:
width_f += 1
if height_f%2:
height_f += 1
surf = Surface((width_f,height_f))
surf.saveContext()
surf.translate(width_f/2.0, height_f/2.0)
surf.rotate(-theta)
surf.drawImage(surface.canvas, -width_i/2, -height_i/2) #pyjs0.8 *.canvas
# surf.drawImage(surface, -width_i/2, -height_i/2)
surf.restoreContext()
return surf
def convert_image(self, image):
"""
Return the image as a Surface.
"""
if env.canvas._isCanvas:
img = image.getElement()
surface = Surface((img.width,img.height))
surface.drawImage(image, 0, 0)
else:
surface = Surf(image)
return surface
def convert_image(self, image):
"""
Return the image as a Surface.
"""
if env.canvas._isCanvas:
img = image.getElement()
surface = Surface((img.width, img.height))
surface.drawImage(image, 0, 0)
else:
surface = Surf(image)
return surface
def scale(self, surface, size, dest=None):
"""
Return Surface resized by the given size.
An optional destination surface can be provided.
"""
if not dest:
surf = Surface(size)
else:
surf = dest
surf.drawImage(surface.canvas, 0, 0, surface.get_width(), surface.get_height(), 0, 0, size[0], size[1]) #pyjs0.8 *.canvas
# surf.drawImage(surface, 0, 0, surface.get_width(), surface.get_height(), 0, 0, size[0], size[1])
return surf
def flip(self, surface, xbool=True, ybool=False):
"""
Return Surface that is flipped horizontally, vertically, or both.
"""
surf = Surface((surface.get_width(),surface.get_height()))
surf.saveContext()
if xbool and ybool:
surf.translate(surface.get_width(), surface.get_height())
surf.scale(-1, -1)
elif xbool:
surf.translate(surface.get_width(), 0)
surf.scale(-1, 1)
elif ybool:
surf.translate(0, surface.get_height())
surf.scale(1, -1)
surf.drawImage(surface.canvas, 0, 0) #pyjs0.8 *.canvas
# surf.drawImage(surface, 0, 0)
surf.restoreContext()
return surf
