예제 #1
0
        def draw(x0, x1, y0, y1):

            # Compute the coordinates of the left, right, top, and
            # bottom sides of the region, for both the source and
            # destination surfaces.

            # left side.
            if x0 >= 0:
                dx0 = x0
                sx0 = x0
            else:
                dx0 = dw + x0
                sx0 = sw + x0

            # right side.
            if x1 > 0:
                dx1 = x1
                sx1 = x1
            else:
                dx1 = dw + x1
                sx1 = sw + x1

            # top side.
            if y0 >= 0:
                dy0 = y0
                sy0 = y0
            else:
                dy0 = dh + y0
                sy0 = sh + y0

            # bottom side
            if y1 > 0:
                dy1 = y1
                sy1 = y1
            else:
                dy1 = dh + y1
                sy1 = sh + y1

            # Quick exit.
            if sx0 == sx1 or sy0 == sy1:
                return

            # Compute sizes.
            csw = sx1 - sx0
            csh = sy1 - sy0
            cdw = dx1 - dx0
            cdh = dy1 - dy0

            if csw <= 0 or csh <= 0 or cdh <= 0 or cdw <= 0:
                return

            # Get a subsurface.
            cr = crend.subsurface((sx0, sy0, csw, csh))

            # Scale or tile if we have to.
            if csw != cdw or csh != cdh:

                if self.tile:
                    newcr = Render(cdw, cdh)
                    newcr.clipping = True

                    for x in xrange(0, cdw, csw):
                        for y in xrange(0, cdh, csh):
                            newcr.blit(cr, (x, y))

                    cr = newcr

                else:

                    newcr = Render(cdw, cdh)
                    newcr.forward = Matrix2D(1.0 * csw / cdw, 0, 0, 1.0 * csh / cdh)
                    newcr.reverse = Matrix2D(1.0 * cdw / csw, 0, 0, 1.0 * cdh / csh)
                    newcr.blit(cr, (0, 0))

                    cr = newcr

            # Blit.
            rv.blit(cr, (dx0, dy0))
            return
예제 #2
0
        def draw(x0, x1, y0, y1):

            # Compute the coordinates of the left, right, top, and
            # bottom sides of the region, for both the source and
            # destination surfaces.

            # left side.
            if x0 >= 0:
                dx0 = x0
                sx0 = x0
            else:
                dx0 = dw + x0
                sx0 = sw + x0

            # right side.
            if x1 > 0:
                dx1 = x1
                sx1 = x1
            else:
                dx1 = dw + x1
                sx1 = sw + x1

            # top side.
            if y0 >= 0:
                dy0 = y0
                sy0 = y0
            else:
                dy0 = dh + y0
                sy0 = sh + y0

            # bottom side
            if y1 > 0:
                dy1 = y1
                sy1 = y1
            else:
                dy1 = dh + y1
                sy1 = sh + y1

            # Quick exit.
            if sx0 == sx1 or sy0 == sy1:
                return

            # Compute sizes.
            csw = sx1 - sx0
            csh = sy1 - sy0
            cdw = dx1 - dx0
            cdh = dy1 - dy0

            if csw <= 0 or csh <= 0 or cdh <= 0 or cdw <= 0:
                return

            # Get a subsurface.
            cr = crend.subsurface((sx0, sy0, csw, csh))

            # Scale or tile if we have to.
            if csw != cdw or csh != cdh:

                if self.tile:
                    newcr = Render(cdw, cdh)
                    newcr.clipping = True

                    for x in xrange(0, cdw, csw):
                        for y in xrange(0, cdh, csh):
                            newcr.blit(cr, (x, y))

                    cr = newcr

                else:

                    newcr = Render(cdw, cdh)
                    newcr.forward = Matrix2D(1.0 * csw / cdw, 0, 0,
                                             1.0 * csh / cdh)
                    newcr.reverse = Matrix2D(1.0 * cdw / csw, 0, 0,
                                             1.0 * cdh / csh)
                    newcr.blit(cr, (0, 0))

                    cr = newcr

            # Blit.
            rv.blit(cr, (dx0, dy0))
            return