# $Id: fontable.py,v 1.3 2000/09/22 11:37:51 petli Exp $
#
# Xlib.xobject.fontable -- fontable objects (GC, font)
#
#    Copyright (C) 2000 Peter Liljenberg <petli@ctrl-c.liu.se>
#
#    This program is free software; you can redistribute it and/or modify
#    it under the terms of the GNU General Public License as published by
#    the Free Software Foundation; either version 2 of the License, or
#    (at your option) any later version.
#
#    This program is distributed in the hope that it will be useful,
#    but WITHOUT ANY WARRANTY; without even the implied warranty of
#    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
#    GNU General Public License for more details.
#
#    You should have received a copy of the GNU General Public License
#    along with this program; if not, write to the Free Software
#    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

from Xlib.protocol import request

import resource
import cursor

class Fontable(resource.Resource):
    __fontable__ = resource.Resource.__resource__

    def query(self):
	return request.QueryFont(display = self.display,
				 font = self.id)
    
    def query_text_extents(self, string):
	return request.QueryTextExtents(display = self.display,
					font = self.id,
					string = string)


class GC(Fontable):
    __gc__ = resource.Resource.__resource__

    def change(self, onerror = None, **keys):
	request.ChangeGC(display = self.display,
			 onerror = onerror,
			 gc = self.id,
			 attrs = keys)


    def copy(self, src_gc, mask, onerror = None):
	request.CopyGC(display = self.display,
		       onerror = onerror,
		       src_gc = src_gc,
		       dst_gc = self.id,
		       mask = mask)

    def set_dashes(self, offset, dashes, onerror = None):
	request.SetDashes(display = self.display,
			  onerror = onerror,
			  gc = self.id,
			  dash_offset = offset,
			  dashes = dashes)

    def set_clip_rectangles(self, x_origin, y_origin, rectangles, ordering, onerror = None):
	request.SetClipRectangles(display = self.display,
				  onerror = onerror,
				  ordering = ordering,
				  gc = self.id,
				  x_origin = x_origin,
				  y_origin = y_origin,
				  rectangles = rectangles)
    def free(self, onerror = None):
	request.FreeGC(display = self.display,
		       onerror = onerror,
		       gc = self.id)

	self.display.free_resource_id(self.id)

    

class Font(Fontable):
    __font__ = resource.Resource.__resource__

    def close(self, onerror = None):
	request.CloseFont(display = self.display,
			  onerror = onerror,
			  font = self.id)
	self.display.free_resource_id(self.id)

    def create_glyph_cursor(self, mask, source_char, mask_char,
			    (fore_red, fore_green, fore_blue),
			    (back_red, back_green, back_blue)):

	cid = self.display.allocate_resource_id()
	request.CreateGlyphCursor(display = self.display,
				  cid = cid,
				  source = self.id,
				  mask = mask,
				  source_char = source_char,
				  mask_char = mask_char,
				  fore_red = fore_red,
				  fore_green = fore_green,
				  fore_blue = fore_blue,
				  back_red = back_red,
				  back_green = back_green,
				  back_blue = back_blue)

	cls = self.display.get_resource_class('cursor', cursor.Cursor)
	return cls(self.display, cid, owner = 1)