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thicklne.h
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1993-12-06
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/**
** THICKLNE.H
**
** Copyright (C) 1992, Csaba Biegl
** 820 Stirrup Dr, Nashville, TN, 37221
** csaba@vuse.vanderbilt.edu
**
** This file is distributed under the terms listed in the document
** "copying.cb", available from the author at the address above.
** A copy of "copying.cb" should accompany this file; if not, a copy
** should be available from where this file was obtained. This file
** may not be distributed without a verbatim copy of "copying.cb".
** You should also have received a copy of the GNU General Public
** License along with this program (it is in the file "copying");
** if not, write to the Free Software Foundation, Inc., 675 Mass Ave,
** Cambridge, MA 02139, USA.
**
** This program is 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.
**/
typedef struct {
GrLineOption opt; /* the on-off pattern */
void *fillarg; /* the fill argument */
int total_pattlen; /* total length of the pattern */
int cursect_left; /* how many pixels left in the current section */
int next_sect; /* the index of the next section to use */
int drawn_sect; /* is this a drawn section */
_GrPixelDrawProc pixelproc; /* pixel fill routine for wide polygon fill */
_GrLineDrawProc borderproc; /* border draw routine for wide polygon fill */
_GrScanLineProc scanfillproc; /* scan line fill routine for wide polygon fill */
int is_XOR_color; /* flag for XOR mode fills and draws */
} GrCustomLineData;
extern void _GrBuildCustomLineData(GrLineOption *op,GrCustomLineData *where);
extern void _GrSetupSolidDraw(int *color,GrCustomLineData *where);
extern void _GrSetupPatternedDraw(GrPattern *pat,GrCustomLineData *where);
extern void _GrDoCustomSegment(int x1,int y1,int x2,int y2,void *arg);
extern void _GrDoSingleCustomSegment(int x1,int y1,int x2,int y2,GrCustomLineData *arg);
extern void _GrDoCustomCorner(int x,int y,void *arg);