def rotozoom(self, surface, angle, size):
"""
Return Surface rotated and resized by the given angle and size.
"""
if not angle:
width = int(surface.get_width() * size)
height = int(surface.get_height() * size)
return self.scale(surface, (width, height))
theta = angle * self.deg_rad
width_i = int(surface.get_width() * size)
height_i = int(surface.get_height() * size)
cos_theta = _fabs(_cos(theta))
sin_theta = _fabs(_sin(theta))
width_f = int(_ceil((width_i * cos_theta) + (height_i * sin_theta)))
if width_f % 2:
width_f += 1
height_f = int(_ceil((width_i * sin_theta) + (height_i * cos_theta)))
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, 0, 0, surface.get_width(),
surface.get_height(), -width_i / 2, -height_i / 2,
width_i, height_i)
surf.restoreContext()
return surf
def rotozoom(self, surface, angle, size):
"""
Return Surface rotated and resized by the given angle and size.
"""
if not angle:
width = int(surface.get_width()*size)
height = int(surface.get_height()*size)
return self.scale(surface, (width, height))
theta = angle*self.deg_rad
width_i = int(surface.get_width()*size)
height_i = int(surface.get_height()*size)
cos_theta = _fabs( _cos(theta) )
sin_theta = _fabs( _sin(theta) )
width_f = int( _ceil((width_i*cos_theta)+(height_i*sin_theta)) )
if width_f % 2:
width_f += 1
height_f = int( _ceil((width_i*sin_theta)+(height_i*cos_theta)) )
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, 0, 0, surface.get_width(), surface.get_height(), -width_i/2, -height_i/2, width_i, height_i)
surf.restoreContext()
return surf
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 = _fabs(_cos(theta))
sin_theta = _fabs(_sin(theta))
width_f = int((width_i * cos_theta) + (height_i * sin_theta))
height_f = int((width_i * sin_theta) + (height_i * cos_theta))
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)
surf.restoreContext()
return surf
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 = _fabs( _cos(theta) )
sin_theta = _fabs( _sin(theta) )
width_f = int( (width_i*cos_theta)+(height_i*sin_theta) )
height_f = int( (width_i*sin_theta)+(height_i*cos_theta) )
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)
surf.restoreContext()
return surf
