ó X–Tc@sxdZddlZddlZddlZd„Zejjd„ƒZdefd„ƒYZ defd„ƒYZ dS( sƒWhen they have no other home, functions and classes are added here. Eventually, they should be refactored to a more permanent home.i’’’’NcCs:|}|}|}|dkr'd }n|dkrB|df}nė|dkra|ddf}nĢ|dkr|d|f}n±|dkr—||f}n–|dkr¶|d|f}nw|d krÕd|df}nX|d krō||df}n9|d kr|d|df}n|tjd d ƒ}tj|ƒS(sw Given an `anchor` position (either a string or a 2-tuple position), finds the correct offset in a rectangle of size (`width`, `height`). If the `anchor` is a 2-tuple (or Vec2D), then it multiplies both components by -1. >>> anchor_offset("topleft", 100, 100) Vec2D(0,0) >>> anchor_offset("bottomright", 100, 100) Vec2D(100,100) >>> anchor_offset("center", 100, 100) Vec2D(50,50) >>> anchor_offset((10, 10), 100, 100) Vec2D(-10,-10) For a complete list of the anchor positions, see `Anchor Offset Lists`_. :param anchor: The (possibly named) position to offset by. :type anchor: string or :class:`Vec2D ` :param width: the width of the rectangle to offset in. :type width: int :param height: the height of the rectangle to offset in. :type height: int :rtype: :class:`Vec2D ` ttopleftittoprighttmidtopg@t bottomleftt bottomrightt midbottomtmidlefttmidrighttcenteri’’’’(ii(tspyraltVec2D(tanchortwidththeighttwthtatoffset((s//usr/lib/python2.7/site-packages/spyral/util.pyt_anchor_offsets.          cCspttj|dƒƒttj|dƒƒf}||jƒkrH|Stjj||tjj |ƒƒ}|S(s! Internal method to scale a surface `s` by a float `factor`. Uses memoization to improve performance. :param target_size: The end size of the surface :type target_size: :class:`Vec2D ` :returns: A new surface, or the original (both pygame surfaces). ii( tinttmathtceiltget_sizetpygamet transformt smoothscaleR timaget_new_spyral_surface(tst target_sizetnew_sizett((s//usr/lib/python2.7/site-packages/spyral/util.pyt scale_surface:s t_Blitc BsSeZdZddddddddd g Zd „Zd „Zd „Zd „ZRS(s An internal class to represent a drawable `surface` with additional data (e.g. `rect` representing its location on screen, whether it's `static`). .. attribute::surface The internal Pygame source surface use to render this blit. .. attribute::position The current position of this Blit (:class:`Vec2D `). .. attribute::area The portion of the surface to be drawn to the screen (:class:`Rect `). .. attribute::layer The layer of this blit within the scene (`str). .. attribute::flags Any drawing flags (presently unused). .. attribute::static Whether this Blit is static. .. attribute::final_size The final size, set seperately to defer scaling. .. attribute::rect A rect representing the final position and size of this blit (:class:`Rect `). tsurfacetpositiontrecttareatlayertflagststatictclippingt final_sizecCs[||_||_||_||_||_||_tj|jƒƒ|_ d|_ dS(N( R"R#R%R&R'R(R R RR*tNoneR$(tselfR"R#R%R&R'R(((s//usr/lib/python2.7/site-packages/spyral/util.pyt__init__vs      cCsM|j||_|j||_tj|jj||jj|ƒ|_dS(s— Applies the scaling factor to this blit. :param scale: The scaling factor :type scale: :class:`Vec2D ` N(R#R*R tRectR%Rtsize(R,tscale((s//usr/lib/python2.7/site-packages/spyral/util.pyt apply_scaleƒscCs"|jjtj|ƒƒ|_dS(s„ Applies any necessary cropping to this blit :param rect: The new maximal size of the blit. :type rect: :class:`Rect ` N(R%tclipR R.(R,R$((s//usr/lib/python2.7/site-packages/spyral/util.pyR2scCslt|j|jƒ|_|jj|jjƒƒ|_tj|jd|jdf|jj ƒƒ|_ dS(sd Performs all the final calculations for this blit and calculates the rect. iiN( R R"R*t subsurfaceR%t _to_pygameRR.R#RR$(R,((s//usr/lib/python2.7/site-packages/spyral/util.pytfinalize˜s(t__name__t __module__t__doc__t __slots__R-R1R2R5(((s//usr/lib/python2.7/site-packages/spyral/util.pyR!Ls' t _CollisionBoxcBsAeZdZdddgZd„Zd„Zd„Zd„ZRS(s An internal class for managing the collidable area for a sprite or view. In many ways, this is a reduced form of a _Blit. .. attribute::position The current position of this CollisionBox (:class:`Vec2D `). .. attribute::area The current offset and size of this CollisionBox. (:class:`Rect `). .. attribute::rect A rect representing the final position and size of this CollisionBox. (:class:`Rect `). R#R$R%cCs||_||_d|_dS(N(R#R%R+R$(R,R#R%((s//usr/lib/python2.7/site-packages/spyral/util.pyR-øs  cCs=|j||_tj|jj||jj|ƒ|_dS(N(R#R R.R%RR/(R,R0((s//usr/lib/python2.7/site-packages/spyral/util.pyR1½scCs"|jjtj|ƒƒ|_dS(N(R%R2R R.(R,R$((s//usr/lib/python2.7/site-packages/spyral/util.pyR2ĀscCs"tj|j|jjƒ|_dS(N(R R.R#R%R/R$(R,((s//usr/lib/python2.7/site-packages/spyral/util.pyR5Ås(R6R7R8R9R-R1R2R5(((s//usr/lib/python2.7/site-packages/spyral/util.pyR:¢s    ( R8R RRRtmemoizet _ImageMemoizeR tobjectR!R:(((s//usr/lib/python2.7/site-packages/spyral/util.pyts    2V