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