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/* 
 * DPSScrollW.h
 *
 * (c) Copyright 1993-1994 Adobe Systems Incorporated.
 * All rights reserved.
 * 
 * Permission to use, copy, modify, distribute, and sublicense this software
 * and its documentation for any purpose and without fee is hereby granted,
 * provided that the above copyright notices appear in all copies and that
 * both those copyright notices and this permission notice appear in
 * supporting documentation and that the name of Adobe Systems Incorporated
 * not be used in advertising or publicity pertaining to distribution of the
 * software without specific, written prior permission.  No trademark license
 * to use the Adobe trademarks is hereby granted.  If the Adobe trademark
 * "Display PostScript"(tm) is used to describe this software, its
 * functionality or for any other purpose, such use shall be limited to a
 * statement that this software works in conjunction with the Display
 * PostScript system.  Proper trademark attribution to reflect Adobe's
 * ownership of the trademark shall be given whenever any such reference to
 * the Display PostScript system is made.
 * 
 * ADOBE MAKES NO REPRESENTATIONS ABOUT THE SUITABILITY OF THE SOFTWARE FOR
 * ANY PURPOSE.  IT IS PROVIDED "AS IS" WITHOUT EXPRESS OR IMPLIED WARRANTY.
 * ADOBE DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL
 * IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NON- INFRINGEMENT OF THIRD PARTY RIGHTS.  IN NO EVENT SHALL ADOBE BE LIABLE
 * TO YOU OR ANY OTHER PARTY FOR ANY SPECIAL, INDIRECT, OR CONSEQUENTIAL
 * DAMAGES OR ANY DAMAGES WHATSOEVER WHETHER IN AN ACTION OF CONTRACT,
 * NEGLIGENCE, STRICT LIABILITY OR ANY OTHER ACTION ARISING OUT OF OR IN
 * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.  ADOBE WILL NOT
 * PROVIDE ANY TRAINING OR OTHER SUPPORT FOR THE SOFTWARE.
 * 
 * Adobe, PostScript, and Display PostScript are trademarks of Adobe Systems
 * Incorporated which may be registered in certain jurisdictions
 * 
 * Author:  Adobe Systems Incorporated
 */

#ifndef _DPSScrolledWindow_h
#define _DPSScrolledWindow_h

#include <DPS/dpsXshare.h>

/* New resouce names and classes */

#define XtNcontext "context"
#define XtCContext "Context"
#define XtNareaWidth "areaWidth"
#define XtCAreaWidth "AreaWidth"
#define XtNareaHeight "areaHeight"
#define XtCAreaHeight "AreaHeight"
#define XtNscale "scale"
#define XtCScale "Scale"
#define XtNctm "ctm"
#define XtCCtm "Ctm"
#define XtNinvCtm "invCtm"
#define XtCInvCtm "InvCtm"
#define XtNuseBackingPixmap "useBackingPixmap"
#define XtCUseBackingPixmap "UseBackingPixmap"
#define XtNuseFeedbackPixmap "useFeedbackPixmap"
#define XtCUseFeedbackPixmap "UseFeedbackPixmap"
#define XtNbackingPixmap "backingPixmap"
#define XtCBackingPixmap "BackingPixmap"
#define XtNfeedbackPixmap "feedbackPixmap"
#define XtCFeedbackPixmap "FeedbackPixmap"
#define XtNdocumentSizePixmaps "documentSizePixmaps"
#define XtCDocumentSizePixmaps "DocumentSizePixmaps"
#define XtNwindowGState "windowGState"
#define XtCWindowGState "WindowGState"
#define XtNbackingGState "backingGState"
#define XtCBackingGState "BackingGState"
#define XtNfeedbackGState "feedbackGState"
#define XtCFeedbackGState "FeedbackGState"
#define XtNdirtyAreas "dirtyAreas"
#define XtCDirtyAreas "DirtyAreas"
#define XtNnumDirtyAreas "numDirtyAreas"
#define XtCNumDirtyAreas "NumDirtyAreas"
#define XtNpixmapLimit "pixmapLimit"
#define XtCPixmapLimit "PixmapLimit"
#define XtNabsolutePixmapLimit "absolutePixmapLimit"
#define XtCAbsolutePixmapLimit "AbsolutePixmapLimit"
#define XtNwatchProgress "watchProgress"
#define XtCWatchProgress "WatchProgress"
#define XtNminimalDrawing "minimalDrawing"
#define XtCMinimalDrawing "MinimalDrawing"
#define XtNwatchProgressDelay "watchProgressDelay"
#define XtCWatchProgressDelay "WatchProgressDelay"
#define XtNapplicationScrolling "applicationScrolling"
#define XtCApplicationScrolling "ApplicationScrolling"
#define XtNsetupCallback "setupCallback"
#define XtNexposeCallback "exposeCallback"
#define XtNbackgroundCallback "backgroundCallback"
#define XtNfeedbackCallback "feedbackCallback"
#define XtNresizeCallback "resizeCallback"

/* New resource types */

#define XtRDPSContext "DPSContext"
#define XtRDPSGState "DPSGState"
#define XtRFloatArray "FloatArray"

/* Callback records */

typedef struct {
    DPSContext context;
} DSWSetupCallbackRec;    

typedef enum {DSWWindow, DSWBackingPixmap, DSWFeedbackPixmap} DSWDrawableType;
typedef enum {DSWDrawSome, DSWAbort, DSWFinish,
	      DSWAbortOrFinish} DSWDirections;
typedef enum {DSWUndefined, DSWCallAgain, DSWAborted, DSWFinished} DSWResults;

typedef struct {
    DSWDrawableType type;
    DSWDirections directions;
    DSWResults results;		/* Filled in by callback */
    Boolean first;
    Boolean background;
    Drawable drawable;
    DPSGState gstate;
    DPSContext context;
    float *rects;
    int rect_count;
} DSWExposeCallbackRec;	

typedef struct {
    Dimension oldw, oldh;
    Dimension neww, newh;
    Position x, y;
} DSWResizeCallbackRec;

typedef struct {
    XtPointer start_feedback_data;
    XtPointer continue_feedback_data;
    DSWDrawableType type;
    Drawable drawable;
    DPSGState gstate;
    DPSContext context;
    float *dirty_rects;
    int dirty_count;
} DSWFeedbackCallbackRec;

/* Class record constants */

extern WidgetClass dpsScrolledWindowWidgetClass;

typedef struct _DPSScrolledWindowRec *DPSScrolledWindowWidget;

/* Interface routines */

#ifdef _NO_PROTO

extern void DSWSetScale();
extern void DSWScrollPoint();
extern void DSWScrollBy();
extern void DSWScrollTo();
extern void DSWSetScaleAndScroll();
extern void DSWConvertXToPS();
extern void DSWConvertPSToX();
extern void DSWAddToDirtyArea();
extern Boolean DSWTakeFeedbackPixmap();
extern Boolean DSWGiveFeedbackPixmap();
extern void DSWStartFeedbackDrawing();
extern void DSWEndFeedbackDrawing();
extern void DSWSetFeedbackDirtyArea();
extern void DSWFinishPendingDrawing();
extern void DSWAbortPendingDrawing();
extern void DSWGetDrawingInfo();
extern void DSWUpdateDrawing();
extern void DSWGetScrollInfo();

#else /* _NO_PROTO */

#if defined(__cplusplus) || defined(c_plusplus)
extern "C" {
#endif

/* Note use of long and double in prototypes:  this makes the library
   work correctly when linked with no-prototype compiled objects */

extern void DSWSetScale(Widget w, double scale, long fixedX, long fixedY);
extern void DSWScrollPoint(Widget w, double psX, double psY, long xX, long xY);
extern void DSWScrollBy(Widget w, long dx, long dy);
extern void DSWScrollTo(Widget w, long x, long y);
extern void DSWSetScaleAndScroll(Widget w, double scale,
				 double psX, double psY, long xX, long xY);
extern void DSWConvertXToPS(Widget w, long xX, long xY,
			    float *psX, float *psY);
extern void DSWConvertPSToX(Widget w, double psX, double psY,
			    int *xX, int *xY);
extern void DSWAddToDirtyArea(Widget w, float *rect, long n);
extern Boolean DSWTakeFeedbackPixmap(Widget w, Pixmap *p, int *width,
				     int *height, int *depth, Screen **screen);
extern Boolean DSWGiveFeedbackPixmap(Widget w, Pixmap p, int width, int height,
				     int depth, Screen *screen);
extern void DSWStartFeedbackDrawing(Widget w, XtPointer start_feedback_data);
extern void DSWEndFeedbackDrawing(Widget w, Bool restore_window);
extern void DSWSetFeedbackDirtyArea(Widget w, float *rects, int count,
				    XtPointer continue_feedback_data);
extern void DSWFinishPendingDrawing(Widget w);
extern void DSWAbortPendingDrawing(Widget w);
extern void DSWGetDrawingInfo(Widget w, DSWDrawableType *type,
			      Drawable *drawable, DPSGState *gstate,
			      DPSContext *context);
extern void DSWUpdateDrawing(Widget w, float *rects, int count);
extern void DSWGetScrollInfo(Widget w, int *h_value, int *h_size, int *h_max,
			     int *v_value, int *v_size, int *v_max);

#if defined(__cplusplus) || defined(c_plusplus)
};
#endif

#endif /* _NO_PROTO */

#endif /* _DPSScrolledWindow_h */
/* DON'T ADD ANYTHING AFTER THIS #endif */