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/*
* $XFree86: $
*
* Copyright © 2002 University of Southern California
*
* Permission to use, copy, modify, distribute, and sell this software
* and its documentation for any purpose is hereby granted without
* fee, provided that the above copyright notice appear in all copies
* and that both that copyright notice and this permission notice
* appear in supporting documentation, and that the name of University
* of Southern California not be used in advertising or publicity
* pertaining to distribution of the software without specific,
* written prior permission. University of Southern California makes
* no representations about the suitability of this software for any
* purpose. It is provided "as is" without express or implied
* warranty.
*
* UNIVERSITY OF SOUTHERN CALIFORNIA DISCLAIMS ALL WARRANTIES WITH
* REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL UNIVERSITY OF
* SOUTHERN CALIFORNIA BE LIABLE FOR ANY SPECIAL, INDIRECT OR
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS
* OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT,
* NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
* Author: Carl Worth, USC, Information Sciences Institute */
#ifndef _XR_H_
#define _XR_H_
#include <X11/extensions/Xrender.h>
typedef struct _XrState XrState;
/* Functions for manipulating state objects */
XrState *
XrCreate(Display *dpy, Drawable drawable, Visual *visual);
void
XrDestroy(XrState *xrs);
void
XrSave(XrState *xrs);
void
XrRestore(XrState *xrs);
/* XXX: XrClone */
/* Modify state */
void
XrSetDrawable(XrState *xrs, Drawable drawable, Visual *visual);
void
XrSetColorRGB(XrState *xrs, double red, double green, double blue);
void
XrSetAlpha(XrState *xrs, double alpha);
void
XrSetLineWidth(XrState *xrs, double width);
void
XrTranslate(XrState *xrs, double tx, double ty);
void
XrScale(XrState *xrs, double sx, double sy);
void
XrRotate(XrState *xrs, double angle);
/* XXX: XrSetLineCap, XrSetLineJoin, XrSetDash, ... */
/* Path creation */
void
XrNewPath(XrState *xrs);
void
XrMoveTo(XrState *xrs, double x, double y);
void
XrLineTo(XrState *xrs, double x, double y);
void
XrRelMoveTo(XrState *xrs, double x, double y);
void
XrRelLineTo(XrState *xrs, double x, double y);
void
XrClosePath(XrState *xrs);
/* XXX: XrArcTo, XrCurveTo, XrRelCurveTo, ... */
/* Render current path */
void
XrStroke(XrState *xrs);
void
XrFill(XrState *xrs);
#endif
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