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/src/wrappers/cairo/library/cairo_radial_pattern.e

http://github.com/tybor/Liberty
Specman e | 59 lines | 26 code | 10 blank | 23 comment | 2 complexity | 525a92c0ad00b3c80810cc5254e8e0b0 MD5 | raw file
 1note
 2	description: "."
 3	copyright: "[
 4					Copyright (C) 2007-2017: Paolo Redaelli, Cairo team
 5					
 6					This library is free software; you can redistribute it and/or
 7					modify it under the terms of the GNU Lesser General Public License
 8					as published by the Free Software Foundation; either version 2.1 of
 9					the License, or (at your option) any later version.
10					
11					This library is distributed in the hope that it will be useful, but
12					WITHOUT ANY WARRANTY; without even the implied warranty of
13					MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
14					Lesser General Public License for more details.
15
16					You should have received a copy of the GNU Lesser General Public
17					License along with this library; if not, write to the Free Software
18					Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
19					02110-1301 USA
20			]"
21
22class CAIRO_RADIAL_PATTERN
23	 
24inherit CAIRO_GRADIENT_PATTERN
25
26create {ANY} make, from_external_pointer
27
28feature {} -- Creation
29	make (cx0,cy0,radius0,cx1,cy1,radius1: REAL)
30			--   Creates a new radial gradient cairo_pattern_t between
31			--   the two circles defined by (x0, y0, c0) and (x1, y1,
32			--   c0). Before using the gradient pattern, a number of
33			--   color stops should be defined using `add_color_stop_rgb'
34			--   or `add_color_stop_rgba'.
35		
36			-- Note: The coordinates here are in pattern space. For a new
37			-- pattern, pattern space is identical to user space, but the
38			-- relationship between the spaces can be changed with
39			-- `set_matrix'.
40		
41			--   cx0 :     x coordinate for the center of the start circle
42			--   cy0 :     y coordinate for the center of the start circle
43			--   radius0 : radius of the start cirle
44			--   cx1 :     x coordinate for the center of the end circle
45			--   cy1 :     y coordinate for the center of the end circle
46			--   radius1 : radius of the end cirle
47		do
48			from_external_pointer(cairo_pattern_create_radial(cx0,cy0,radius0,cx1,cy1,radius1))
49			-- cairo_pattern_create_radial returns the newly created
50			-- cairo_pattern_t if succesful, or an error pattern in case
51			-- of no memory. The caller owns the returned object and
52			-- should call cairo_pattern_destroy() when finished with
53			-- it. This function will always return a valid pointer, but
54			-- if an error occurred the pattern status will be set to an
55			-- error.  To inspect the status of a pattern use
56			-- cairo_pattern_status().
57		end
58
59end -- class CAIRO_RADIAL_PATTERN