def draw_rectangle(canvas,
position,
size,
color=Color(),
width=1.0,
center=False,
stroke=True):
cr = canvas.cr
cr.save()
position = Vector.vectorize(position)
size = Size.make_size(size)
if center:
position.x -= size.width / 2
position.y -= size.height / 2
DrawingUtils.set_color(canvas, color)
cr.rectangle(position.x, position.y, size.width, size.height)
if stroke:
cr.set_line_width(width)
cr.stroke()
else:
cr.fill()
cr.restore()
def __init__(self, position=(0, 0), size=(0, 0)):
self.position = Vector.vectorize(position)
self.size = Size.make_size(size)
self.x = self.position.x
self.y = self.position.y
self.width = self.size.width
self.height = self.size.height
def draw_image_from_surface(canvas,
position,
img,
size=None,
center=False):
"""
Draws an image given by a cairo.ImageSurface object.
@type canvas: canvas.Canvas
@type position: vector.Vector
@type img: cairo.ImageSurface
@type size: size.Size
@type center: boolean
"""
if not size:
size = Size(img.get_width(), img.get_height())
else:
size = Size.make_size(size)
position = Vector.vectorize(position)
width = img.get_width()
height = img.get_height()
cr = canvas.cr
cr.save()
if center:
cr.translate(position.x - size.width / 2.0,
position.y - size.height / 2.0)
else:
cr.translate(position.x, position.y)
x_ratio = float(size.width) / width
y_ratio = float(size.height) / height
cr.scale(x_ratio, y_ratio)
cr.set_source_surface(img)
cr.get_source().set_filter(cairo.FILTER_FAST)
cr.paint()
cr.restore()
def draw_rectangle(canvas, position, size, color=Color(), width=1.0,
center=False, stroke=True):
cr = canvas.cr
cr.save()
position = Vector.vectorize(position)
size = Size.make_size(size)
if center:
position.x -= size.width / 2
position.y -= size.height / 2
DrawingUtils.set_color(canvas, color)
cr.rectangle(position.x, position.y, size.width, size.height)
if stroke:
cr.set_line_width(width)
cr.stroke()
else:
cr.fill()
cr.restore()
def draw_image_from_surface(canvas, position, img, size=None,
center=False):
"""
Draws an image given by a cairo.ImageSurface object.
@type canvas: canvas.Canvas
@type position: vector.Vector
@type img: cairo.ImageSurface
@type size: size.Size
@type center: boolean
"""
if not size:
size = Size(img.get_width(), img.get_height())
else:
size = Size.make_size(size)
position = Vector.vectorize(position)
width = img.get_width()
height = img.get_height()
cr = canvas.cr
cr.save()
if center:
cr.translate(position.x - size.width / 2.0,
position.y - size.height / 2.0)
else:
cr.translate(position.x, position.y)
x_ratio = float(size.width) / width
y_ratio = float(size.height) / height
cr.scale(x_ratio, y_ratio)
cr.set_source_surface(img)
cr.get_source().set_filter(cairo.FILTER_FAST)
cr.paint()
cr.restore()
def scaled(self, scale):
return RectangleBBox(self.position, self.size + Size.make_size(scale))
