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/* XtGState - Implements graphic state drawing for Xt/Xlib
Copyright (C) 1995 Free Software Foundation, Inc.
Written by: Paul Kunz <Paul_Kunz@SLAC.Stanford.edu>,
Adam Fedor <fedor@boulder.colorado.edu>
Date: Nov 1995
This file is part of the GNU Objective C User Interface Library.
This library 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 library 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 library; if not, write to the Free
Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef _XtGState_h_INCLUDE
#define _XtGState_h_INCLUDE
#include <Foundation/NSObject.h>
#include "xwfriends.h"
#include "cgt.h"
@class View;
@class Stack;
@class XtDrawContext;
@interface XtGState : NSObject
{
XtDrawContext *ctxt;
GC xgcntxt;
XGCValues gcv;
cgt_t cgt; /* current matrix */
float flip; /* drawable height - flipping coordinates */
NSPoint point; /* current point (non-flipped) */
Region clipregion;
Stack *path; /* current path - FIFO stack */
device_color_t color;
Drawable draw;
window_device_t window;
void *_view;
BOOL sharedGC;
BOOL update; /* indicates draw to cache but not screen yet */
BOOL didDraw; /* indicates draw to screen */
}
- initWithDrawContext: (XtDrawContext *)context;
- initWithDrawContext: (XtDrawContext *)context andView: (View *)aView;
- copyWithView: (View *)aView;
- (void) setWindowDevice: (window_device_t)device;
- (void) setWindowDevice: (window_device_t)device andView: (View *)view;
- (void) setColor: (device_color_t)acolor;
- (void) setFont: (Font)fid;
- (window_device_t) windowDevice;
- setNeedsDisplay: (BOOL)flag;
- setDidUpdate;
- (BOOL) needsDisplay;
- (BOOL) didDraw;
- (BOOL) hasDrawable;
- (BOOL) hasGraphicContext;
- (GC) graphicContext;
- (Drawable) drawable;
- (NSRect) clipRect;
- convertPointToDrawable: (NSPoint *)aPoint;
- convertRectToDrawable: (NSRect *)aRect;
- copyDrawable:(Drawable)source fromRect: (NSRect *)aRect;
- copyDrawable:(Drawable)source fromRect: (NSRect *)aRect
toPoint: (NSPoint *)aPoint;
- copyImage: (XImage *)image ofSize: (NSSize *)size;
- (void) flushRect: (NSRect *)frame;
- (void) flushRectIfNeeded: (NSRect *)frame;
@end
#endif /* _XtGState_h_INCLUDE */
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