1 /* brushlib - The MyPaint Brush Library 2 * Copyright (C) 2008 Martin Renold <martinxyz@gmx.ch> 3 * 4 * Permission to use, copy, modify, and/or distribute this software for any 5 * purpose with or without fee is hereby granted, provided that the above 6 * copyright notice and this permission notice appear in all copies. 7 * 8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 14 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 15 */ 16 17 namespace brushlib { 18 19 // surface interface required by brush.hpp 20 class Surface { 21 public: 22 ~Surface()23 virtual ~Surface() {} 24 25 virtual bool draw_dab (float x, float y, 26 float radius, 27 float color_r, float color_g, float color_b, 28 float opaque, float hardness = 0.5, 29 float alpha_eraser = 1.0, 30 float aspect_ratio = 1.0, float angle = 0.0, 31 float lock_alpha = 0.0 32 ) = 0; 33 34 virtual void get_color (float x, float y, 35 float radius, 36 float * color_r, float * color_g, float * color_b, float * color_a 37 ) = 0; 38 }; 39 40 } 41