1544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin/************************************************************************** 2544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin * 3544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin * Copyright 2009 VMware, Inc. All Rights Reserved. 4544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin * 5544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin * Permission is hereby granted, free of charge, to any person obtaining a 6544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin * copy of this software and associated documentation files (the 7544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin * "Software"), to deal in the Software without restriction, including 8544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin * without limitation the rights to use, copy, modify, merge, publish, 9544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin * distribute, sub license, and/or sell copies of the Software, and to 10544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin * permit persons to whom the Software is furnished to do so, subject to 11544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin * the following conditions: 12544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin * 13544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin * The above copyright notice and this permission notice (including the 14544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin * next paragraph) shall be included in all copies or substantial portions 15544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin * of the Software. 16544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin * 17544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 18544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 19544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. 20544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR 21544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 22544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE 23544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 24544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin * 25544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin **************************************************************************/ 26544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin 27544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin#ifndef PATH_UTILS_H 28544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin#define PATH_UTILS_H 29544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin 30544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin#include "VG/openvg.h" 31544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin 32544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin#define SEGMENT_COMMAND(command) /* Extract segment type */ \ 33544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin ((command) & 0x1e) 34544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin#define SEGMENT_ABS_REL(command) /* Extract absolute/relative bit */ \ 35544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin ((command) & 0x1) 36544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin 37544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusinstatic INLINE VGint size_for_datatype(VGPathDatatype datatype) 38544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin{ 39544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin switch(datatype) { 40544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin case VG_PATH_DATATYPE_S_8: 41544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin return 1; 42544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin case VG_PATH_DATATYPE_S_16: 43544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin return 2; 44544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin case VG_PATH_DATATYPE_S_32: 45544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin return 4; 46544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin case VG_PATH_DATATYPE_F: 47544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin return 4; 48544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin default: 49544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin assert(!"unknown datatype"); 50544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin } 51544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin return 0; 52544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin} 53544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin 54544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusinstatic INLINE VGint num_elements_for_segments(const VGubyte *segments, 55544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin VGint num_segments) 56544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin{ 57544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin VGint i; 58544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin VGint count = 0; 59544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin 60544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin for (i = 0; i < num_segments; ++i) { 61544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin VGubyte segment = segments[i]; 62544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin VGint command = SEGMENT_COMMAND(segment); 63544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin switch(command) { 64544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin case VG_CLOSE_PATH: 65544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin break; 66544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin case VG_MOVE_TO: 67544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin count += 2; 68544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin break; 69544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin case VG_LINE_TO: 70544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin count += 2; 71544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin break; 72544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin case VG_HLINE_TO: 73544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin count += 1; 74544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin break; 75544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin case VG_VLINE_TO: 76544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin count += 1; 77544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin break; 78544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin case VG_QUAD_TO: 79544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin count += 4; 80544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin break; 81544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin case VG_CUBIC_TO: 82544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin count += 6; 83544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin break; 84544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin case VG_SQUAD_TO: 85544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin count += 2; 86544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin break; 87544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin case VG_SCUBIC_TO: 88544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin count += 4; 89544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin break; 90544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin case VG_SCCWARC_TO: 91544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin count += 5; 92544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin break; 93544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin case VG_SCWARC_TO: 94544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin count += 5; 95544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin break; 96544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin case VG_LCCWARC_TO: 97544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin count += 5; 98544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin break; 99544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin case VG_LCWARC_TO: 100544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin count += 5; 101544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin break; 102544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin default: 103544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin assert(!"Unknown segment!"); 104544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin } 105544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin } 106544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin return count; 107544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin} 108544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin 109544dd4b11f7be76bb00fe29a60eaf2772dcc69caZack Rusin#endif 110