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/**************************************************************************/
/* */
/* Copyright (c) 2001, 2007 NoMachine, http://www.nomachine.com/. */
/* */
/* NXAGENT, NX protocol compression and NX extensions to this software */
/* are copyright of NoMachine. Redistribution and use of the present */
/* software is allowed according to terms specified in the file LICENSE */
/* which comes in the source distribution. */
/* */
/* Check http://www.nomachine.com/licensing.html for applicability. */
/* */
/* NX and NoMachine are trademarks of NoMachine S.r.l. */
/* */
/* All rights reserved. */
/* */
/**************************************************************************/
#ifndef __Drawable_H__
#define __Drawable_H__
#include "resource.h"
#include "Windows.h"
#include "Pixmaps.h"
/*
* Structures and macros used to manage the Lazy encoding.
*/
typedef struct
{
DrawablePtr pDrawable;
int drawableType;
int abort;
int windowBitmaps;
int pixmapBitmaps;
int backgroundBitmaps;
} _nxagentSynchronizationRec;
extern _nxagentSynchronizationRec nxagentSynchronization;
enum DrawableStatus
{
Synchronized,
NotSynchronized
};
enum SynchronizationPredicate
{
Needed,
NotNeeded,
Delayed
};
/*
* Shall the synchronization wait for the
* drawable wakening?
*/
#define DONT_WAIT 0
#define DO_WAIT 1
/*
* How the synchronization loop can be
* interrupted? A 0 mask means that the
* loop can't be stopped.
*/
#define EVENT_BREAK (1 << 0)
#define CONGESTION_BREAK (1 << 1)
#define BLOCKING_BREAK (1 << 2)
#define NEVER_BREAK 0
#define ALWAYS_BREAK (EVENT_BREAK | \
CONGESTION_BREAK | \
BLOCKING_BREAK)
/*
* Minimum value of usage counter which
* a pixmap should have to be synchronized.
*/
#define MINIMUM_PIXMAP_USAGE_COUNTER 2
/*
* This is the macro used to get the external XID
* from a generic pointer to a drawable.
*/
#define nxagentDrawable(pDrawable) \
((pDrawable)->type == DRAWABLE_WINDOW ? \
nxagentWindow((WindowPtr)pDrawable) : \
nxagentPixmap((PixmapPtr)pDrawable))
#define nxagentVirtualDrawable(pDrawable) \
(DrawablePtr)((pDrawable)->type == DRAWABLE_WINDOW ? \
NULL : nxagentVirtualPixmap((PixmapPtr)pDrawable))
#define nxagentDrawablePicture(pDrawable) \
((DrawablePtr)((pDrawable)->type == DRAWABLE_WINDOW ? \
nxagentWindowPriv((WindowPtr)pDrawable) -> pPicture : \
nxagentPixmapPriv((PixmapPtr)pDrawable) -> pPicture))
#define nxagentCorruptedRegion(pDrawable) \
((pDrawable) -> type == DRAWABLE_PIXMAP ? \
nxagentPixmapCorruptedRegion((PixmapPtr) pDrawable) : \
nxagentWindowCorruptedRegion((WindowPtr) pDrawable))
#define nxagentDrawableStatus(pDrawable) \
(REGION_NIL(nxagentCorruptedRegion(pDrawable)) ? \
Synchronized : NotSynchronized)
#define nxagentDrawableContainGlyphs(pDrawable) \
((pDrawable) -> type == DRAWABLE_PIXMAP ? \
nxagentPixmapContainGlyphs((PixmapPtr) (pDrawable)) : \
nxagentWindowContainGlyphs((WindowPtr) (pDrawable)))
#define nxagentSetDrawableContainGlyphs(pDrawable, value) \
do \
{ \
if ((pDrawable) -> type == DRAWABLE_PIXMAP) \
{ \
nxagentPixmapContainGlyphs(nxagentRealPixmap((PixmapPtr) (pDrawable))) = (value); \
} \
else \
{ \
nxagentWindowContainGlyphs((WindowPtr) (pDrawable)) = (value); \
} \
} while (0)
#define nxagentDrawableBitmap(pDrawable) \
((pDrawable) -> type == DRAWABLE_PIXMAP ? \
nxagentPixmapPriv(nxagentRealPixmap((PixmapPtr) (pDrawable))) -> synchronizationBitmap : \
nxagentWindowPriv((WindowPtr) (pDrawable)) -> synchronizationBitmap)
#define nxagentDrawableTimestamp(pDrawable) \
((pDrawable) -> type == DRAWABLE_PIXMAP ? \
nxagentPixmapTimestamp((PixmapPtr) pDrawable) : \
nxagentWindowTimestamp((WindowPtr) pDrawable))
#define nxagentDrawableType(pDrawable) \
((pDrawable) -> type == DRAWABLE_PIXMAP ? "pixmap" : "window")
extern RESTYPE RT_NX_CORR_BACKGROUND;
extern RESTYPE RT_NX_CORR_WINDOW;
extern RESTYPE RT_NX_CORR_PIXMAP;
extern int nxagentCorruptedPixmaps;
extern int nxagentCorruptedWindows;
extern int nxagentCorruptedBackgrounds;
extern int nxagentForceSynchronization;
extern RegionPtr nxagentCreateRegion(DrawablePtr pDrawable, GCPtr pGC, int x, int y,
int width, int height);
#define nxagentFreeRegion(pDrawable, pRegion) \
REGION_DESTROY((pDrawable) -> pScreen, pRegion);
extern void nxagentMarkCorruptedRegion(DrawablePtr pDrawable, RegionPtr pRegion);
extern void nxagentUnmarkCorruptedRegion(DrawablePtr pDrawable, RegionPtr pRegion);
extern void nxagentMoveCorruptedRegion(WindowPtr pWin, unsigned int mask);
extern void nxagentIncreasePixmapUsageCounter(PixmapPtr pPixmap);
extern int nxagentSynchronizeRegion(DrawablePtr pDrawable, RegionPtr pRegion, unsigned int breakMask, WindowPtr owner);
extern void nxagentSynchronizeBox(DrawablePtr pDrawable, BoxPtr pBox, unsigned int breakMask);
extern int nxagentSynchronizeDrawable(DrawablePtr pDrawable, int wait, unsigned int breakMask, WindowPtr owner);
extern int nxagentSynchronizeDrawableData(DrawablePtr pDrawable, unsigned int breakMask, WindowPtr owner);
extern void nxagentSynchronizationLoop(unsigned int mask);
extern int nxagentSynchronizationPredicate(void);
extern BoxPtr nxagentGetOptimizedRegionBoxes(RegionPtr pRegion);
extern void nxagentCleanCorruptedDrawable(DrawablePtr pDrawable);
extern void nxagentUnmarkExposedRegion(WindowPtr pWin, RegionPtr pRegion, RegionPtr pOther);
extern void nxagentSendDeferredBackgroundExposures(void);
extern void nxagentClearRegion(DrawablePtr pDrawable, RegionPtr pRegion);
extern void nxagentFillRemoteRegion(DrawablePtr pDrawable, RegionPtr pRegion);
extern void nxagentAllocateCorruptedResource(DrawablePtr pDrawable, RESTYPE type);
extern void nxagentDestroyCorruptedResource(DrawablePtr pDrawable, RESTYPE type);
extern int nxagentDestroyCorruptedBackgroundResource(pointer p, XID id);
extern int nxagentDestroyCorruptedWindowResource(pointer p, XID id);
extern int nxagentDestroyCorruptedPixmapResource(pointer p, XID id);
extern void nxagentCreateDrawableBitmap(DrawablePtr pDrawable);
extern void nxagentDestroyDrawableBitmap(DrawablePtr pDrawable);
extern void nxagentRegionsOnScreen(void);
#define PRINT_REGION_BOXES(pRegion, strRegion) \
do \
{ \
int i; \
int numRects; \
BoxPtr pBox; \
\
if (pRegion == NullRegion) \
{ \
fprintf(stderr, "printRegionBoxes:: Region " strRegion " is null.\n"); \
break; \
} \
\
numRects = REGION_NUM_RECTS(pRegion); \
pBox = REGION_RECTS(pRegion); \
\
fprintf(stderr, "printRegionBoxes:: Region " strRegion " at [%p] has [%d] boxes:\n", \
(void *) (pRegion), numRects); \
\
for (i = 0; i < numRects; i++) \
{ \
fprintf(stderr, "[%d] [%d,%d,%d,%d]\n", \
i, pBox[i].x1, pBox[i].y1, pBox[i].x2, pBox[i].y2); \
} \
\
} while (0)
#endif /* __Drawable_H__ */
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