// $Id: gclip.h 751 2006-03-31 15:43:49Z alex $ /* @@tag:xara-cn@@ DO NOT MODIFY THIS LINE ================================XARAHEADERSTART=========================== Xara LX, a vector drawing and manipulation program. Copyright (C) 1993-2006 Xara Group Ltd. Copyright on certain contributions may be held in joint with their respective authors. See AUTHORS file for details. LICENSE TO USE AND MODIFY SOFTWARE ---------------------------------- This file is part of Xara LX. Xara LX is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License version 2 as published by the Free Software Foundation. Xara LX and its component source files are distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. 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Xara Group Ltd, Gaddesden Place, Hemel Hempstead, HP2 6EX, UK. http://www.xara.com/ =================================XARAHEADEREND============================ */ // Gavin's path clipping code ///////////////////////////////////////////////////////////////////////////////////////////////// // // GClip.h // ///////////////////////////////////////////////////////////////////////////////////////////////// /************************************************************************************************ INT32 ClipPathToPath( PPOINT SPoints, PBYTE STypes, UINT32 SLength, UINT32 SFlatness, PPOINT CPoints, PBYTE CTypes, UINT32 CLength, UINT32 CFlatness, UINT32 Flags, UINT32 Tolerance, PPOINT OPoints, PBYTE OTypes, UINT32 OMaxLength ) ; SPoints,STypes,SLength - Source path SFlatness - Source path flatness CPoints,CTypes,CLength - Clip path CFlatness - Clip path flatness Flags - Flags CLIPPING_STYLE - Clip style 001 - Source AND NOT Clip 010 - Source AND Clip (Intersection) 011 - Source 100 - NOT Source AND Clip 101 - Source EOR Clip 110 - Clip 111 - Source OR Clip (Union) - If source stroked then 000 - Source AND Clip (Intersection) ??? - Source AND NOT Clip CLIPPING_SOURCE_WINDING - Source path winding. CLIPPING_CLIP_WINDING - Clip path winding. CLIPPING_IS_STROKED - Source is stroked, not filled CLIPPING_IS_CLOSED - Source path is to be closed (only applicable is stroked). Tolerance - Tolerance - two points closer than this value are considered to be the same point. OPoints,OTypes - Output path OMaxLength - Maximum length of output path. Returns the length of the path, or an error code if an error occurs. Possible error codes are -1 - Insufficient memory to create the path. Increase buffer sizes and try again. -2 - new failed. ************************************************************************************************/ INT32 ClipPathToPath( PPOINT SPoints, PBYTE STypes, UINT32 SLength, // UINT32 SFlatness, double SFlatness, PPOINT CPoints, PBYTE CTypes, UINT32 CLength, // UINT32 CFlatness, double CFlatness, UINT32 Flags, UINT32 Tolerance, PPOINT OPoints, PBYTE OTypes, UINT32 OMaxLength ) ; /////////////////////////////////////////////////////////////////////////////////////////////////