82 lines
2.5 KiB
C
82 lines
2.5 KiB
C
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/* xscreensaver, Copyright (c) 1991-1998 Jamie Zawinski <jwz@netscape.com>
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*
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* Permission to use, copy, modify, distribute, and sell this software and its
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* documentation for any purpose is hereby granted without fee, provided that
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* the above copyright notice appear in all copies and that both that
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* copyright notice and this permission notice appear in supporting
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* documentation. No representations are made about the suitability of this
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* software for any purpose. It is provided "as is" without express or
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* implied warranty.
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*/
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/* 1999-Nov-21 Modified by Jim Knoble <jmknoble@jmknoble.cx>
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* Modifications:
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* - Extracted draw_shaded_rectangle() from xscreensaver source for use
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* in a separate application. Constructed separate header file.
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*/
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#include <X11/Intrinsic.h>
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void
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draw_shaded_rectangle (Display *dpy, Window window,
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int x, int y,
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int width, int height,
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int thickness,
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unsigned long top_color,
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unsigned long bottom_color)
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{
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XPoint points[4];
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XGCValues gcv;
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GC gc1, gc2;
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if (thickness == 0) return;
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gcv.foreground = top_color;
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gc1 = XCreateGC (dpy, window, GCForeground, &gcv);
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gcv.foreground = bottom_color;
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gc2 = XCreateGC (dpy, window, GCForeground, &gcv);
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points [0].x = x;
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points [0].y = y;
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points [1].x = x + width;
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points [1].y = y;
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points [2].x = x + width - thickness;
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points [2].y = y + thickness;
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points [3].x = x;
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points [3].y = y + thickness;
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XFillPolygon (dpy, window, gc1, points, 4, Convex, CoordModeOrigin);
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points [0].x = x;
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points [0].y = y + thickness;
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points [1].x = x;
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points [1].y = y + height;
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points [2].x = x + thickness;
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points [2].y = y + height - thickness;
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points [3].x = x + thickness;
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points [3].y = y + thickness;
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XFillPolygon (dpy, window, gc1, points, 4, Convex, CoordModeOrigin);
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points [0].x = x + width;
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points [0].y = y;
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points [1].x = x + width - thickness;
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points [1].y = y + thickness;
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points [2].x = x + width - thickness;
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points [2].y = y + height - thickness;
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points [3].x = x + width;
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points [3].y = y + height - thickness;
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XFillPolygon (dpy, window, gc2, points, 4, Convex, CoordModeOrigin);
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points [0].x = x;
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points [0].y = y + height;
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points [1].x = x + width;
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points [1].y = y + height;
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points [2].x = x + width;
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points [2].y = y + height - thickness;
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points [3].x = x + thickness;
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points [3].y = y + height - thickness;
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XFillPolygon (dpy, window, gc2, points, 4, Convex, CoordModeOrigin);
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XFreeGC (dpy, gc1);
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XFreeGC (dpy, gc2);
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}
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