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/*
* Draw.h -- Header for common drawing routines.
*
* Authors : Patrick Lecoanet.
* Creation date : Sat Dec 10 12:51:30 1994
*
* $Id$
*/
/*
* Copyright (c) 1993 - 1999 CENA, Patrick Lecoanet --
*
* This code is free software; you can redistribute it and/or
* modify it under the terms of the GNU Library General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This code 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this code; if not, write to the Free
* Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
*/
#ifndef _Draw_h
#define _Draw_h
#include "List.h"
#include "Types.h"
#include "Color.h"
#include "Attrs.h"
#include <X11/Xlib.h>
#define LIGHTNING_POINTS 4
#define CORNER_POINTS 3
#define DOUBLE_CORNER_POINTS 4
#define STRAIGHT_POINTS 2
#define LINE_SHAPE_POINTS 4 /* Maximum of all above */
struct _WidgetInfo;
void SetLineStyle(Display *display, GC gc, LineStyle line_style);
void GetLineShape(ZnPoint *p1, ZnPoint *p2, unsigned int line_width,
LineShape shape, ZnBBox *bbox, ZnList to_points);
void DrawLineShape(struct _WidgetInfo *wi, ZnPoint *points, int num_points,
LineStyle line_style, ZnColor line_foreground,
unsigned int line_width, LineShape shape);
int PolygonReliefInBBox(ZnList points, unsigned int line_width,
ZnBBox *bbox);
void GetPolygonReliefBBox(ZnList points, unsigned int line_width,
ZnBBox *bbox);
double PolygonReliefToPointDist(ZnList points, unsigned int line_width,
ZnPoint *pp);
void DrawRectangleRelief(struct _WidgetInfo *wi,
ReliefStyle relief, ZnColorGradient gradient,
XRectangle *bbox, unsigned int line_width);
void DrawPolygonRelief(struct _WidgetInfo *wi, ReliefStyle relief,
ZnColorGradient gradient, ZnPoint *points,
int num_points, int line_width);
void DrawRectangleGradient(struct _WidgetInfo *wi, ZnGradientGeom grad_geom,
ZnColorGradient grad_color, XRectangle *bbox);
void DrawPolygonGradient(struct _WidgetInfo *wi, ZnGradientGeom grad_geom,
ZnColorGradient grad_color, ZnPoint *pts, int num_pts,
ZnBBox *bbox);
#endif /* _Draw_h */
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