/src/wrappers/cairo/library/cairo_linear_pattern.e
Specman e | 57 lines | 26 code | 11 blank | 20 comment | 2 complexity | 7005ea49a18bd442fcfb44643c8c703f 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_LINEAR_PATTERN 23 24inherit CAIRO_GRADIENT_PATTERN 25 26create {ANY} make, from_external_pointer 27 28feature {} -- Creation 29 30 make (x0,y0,x1,y1: REAL) 31 -- Create a new linear gradient along the line defined by 32 -- (x0, y0) and (x1, y1). Before using the gradient pattern, 33 -- a number of color stops should be defined using 34 -- `add_color_stop_rgb' 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 -- x0 : x coordinate of the start point 42 -- y0 : y coordinate of the start point 43 -- x1 : x coordinate of the end point 44 -- y1 : y coordinate of the end point 45 do 46 from_external_pointer(cairo_pattern_create_linear(x0,y0,x1,y1)) 47 -- cairo_pattern_create_linear returns the newly created 48 -- cairo_pattern_t if succesful, or an error pattern in case 49 -- of no memory. The caller owns the returned object and 50 -- should call cairo_pattern_destroy() when finished with 51 -- it. This function will always return a valid pointer, but 52 -- if an error occurred the pattern status will be set to an 53 -- error. To inspect the status of a pattern use 54 -- cairo_pattern_status(). 55 end 56 57end -- class CAIRO_LINEAR_PATTERN