pixman-combine-float.h (1832B)
1 /* -*- Mode: c; c-basic-offset: 4; tab-width: 8; indent-tabs-mode: t; -*- */ 2 /* 3 * Copyright © 2010, 2012 Soren Sandmann Pedersen 4 * Copyright © 2010, 2012 Red Hat, Inc. 5 * Copyright © 2024 Filip Wasil, Samsung Electronics 6 * 7 * Permission is hereby granted, free of charge, to any person obtaining a 8 * copy of this software and associated documentation files (the "Software"), 9 * to deal in the Software without restriction, including without limitation 10 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 11 * and/or sell copies of the Software, and to permit persons to whom the 12 * Software is furnished to do so, subject to the following conditions: 13 * 14 * The above copyright notice and this permission notice (including the next 15 * paragraph) shall be included in all copies or substantial portions of the 16 * Software. 17 * 18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 19 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 20 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL 21 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 22 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 23 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 24 * DEALINGS IN THE SOFTWARE. 25 * 26 * Author: Soren Sandmann Pedersen (sandmann@cs.au.dk) 27 */ 28 29 #ifndef __PIXMAN_COMBINE_FLOAT_H__ 30 #define __PIXMAN_COMBINE_FLOAT_H__ 31 32 /* 33 * Porter/Duff operators 34 */ 35 typedef enum 36 { 37 ZERO, 38 ONE, 39 SRC_ALPHA, 40 DEST_ALPHA, 41 INV_SA, 42 INV_DA, 43 SA_OVER_DA, 44 DA_OVER_SA, 45 INV_SA_OVER_DA, 46 INV_DA_OVER_SA, 47 ONE_MINUS_SA_OVER_DA, 48 ONE_MINUS_DA_OVER_SA, 49 ONE_MINUS_INV_DA_OVER_SA, 50 ONE_MINUS_INV_SA_OVER_DA 51 } combine_factor_t; 52 53 #endif /*__PIXMAN_COMBINE_FLOAT_H__*/