dmxgcops.c File Reference

#include "dmx.h"
#include "dmxsync.h"
#include "dmxgc.h"
#include "dmxgcops.h"
#include "dmxwindow.h"
#include "dmxpixmap.h"
#include "mi.h"
#include "gcstruct.h"
#include "pixmapstr.h"
#include "dixfontstr.h"

Macros
#define	DMX_GCOPS_SET_DRAWABLE(_pDraw, _draw)
#define	DMX_GCOPS_OFFSCREEN(_pDraw)

Functions
void	dmxFillSpans (DrawablePtr pDrawable, GCPtr pGC, int nInit, DDXPointPtr pptInit, int *pwidthInit, int fSorted)
void	dmxSetSpans (DrawablePtr pDrawable, GCPtr pGC, char *psrc, DDXPointPtr ppt, int *pwidth, int nspans, int fSorted)
void	dmxPutImage (DrawablePtr pDrawable, GCPtr pGC, int depth, int x, int y, int w, int h, int leftPad, int format, char *pBits)
RegionPtr	dmxCopyArea (DrawablePtr pSrc, DrawablePtr pDst, GCPtr pGC, int srcx, int srcy, int w, int h, int dstx, int dsty)
RegionPtr	dmxCopyPlane (DrawablePtr pSrc, DrawablePtr pDst, GCPtr pGC, int srcx, int srcy, int width, int height, int dstx, int dsty, unsigned long bitPlane)
void	dmxPolyPoint (DrawablePtr pDrawable, GCPtr pGC, int mode, int npt, DDXPointPtr pptInit)
void	dmxPolylines (DrawablePtr pDrawable, GCPtr pGC, int mode, int npt, DDXPointPtr pptInit)
void	dmxPolySegment (DrawablePtr pDrawable, GCPtr pGC, int nseg, xSegment *pSegs)
void	dmxPolyRectangle (DrawablePtr pDrawable, GCPtr pGC, int nrects, xRectangle *pRects)
void	dmxPolyArc (DrawablePtr pDrawable, GCPtr pGC, int narcs, xArc *parcs)
void	dmxFillPolygon (DrawablePtr pDrawable, GCPtr pGC, int shape, int mode, int count, DDXPointPtr pPts)
void	dmxPolyFillRect (DrawablePtr pDrawable, GCPtr pGC, int nrectFill, xRectangle *prectInit)
void	dmxPolyFillArc (DrawablePtr pDrawable, GCPtr pGC, int narcs, xArc *parcs)
int	dmxPolyText8 (DrawablePtr pDrawable, GCPtr pGC, int x, int y, int count, char *chars)
int	dmxPolyText16 (DrawablePtr pDrawable, GCPtr pGC, int x, int y, int count, unsigned short *chars)
void	dmxImageText8 (DrawablePtr pDrawable, GCPtr pGC, int x, int y, int count, char *chars)
void	dmxImageText16 (DrawablePtr pDrawable, GCPtr pGC, int x, int y, int count, unsigned short *chars)
void	dmxImageGlyphBlt (DrawablePtr pDrawable, GCPtr pGC, int x, int y, unsigned int nglyph, CharInfoPtr *ppci, void *pglyphBase)
void	dmxPolyGlyphBlt (DrawablePtr pDrawable, GCPtr pGC, int x, int y, unsigned int nglyph, CharInfoPtr *ppci, void *pglyphBase)
void	dmxPushPixels (GCPtr pGC, PixmapPtr pBitMap, DrawablePtr pDst, int w, int h, int x, int y)
static DMXScreenInfo *	dmxFindAlternatePixmap (DrawablePtr pDrawable, XID *draw)
void	dmxGetImage (DrawablePtr pDrawable, int sx, int sy, int w, int h, unsigned int format, unsigned long planeMask, char *pdstLine)
void	dmxGetSpans (DrawablePtr pDrawable, int wMax, DDXPointPtr ppt, int *pwidth, int nspans, char *pdstStart)

Detailed Description

This file provides support for GC operations.

Macro Definition Documentation

#define DMX_GCOPS_OFFSCREEN

(

_pDraw

)

Value:

(!dmxScreens[(_pDraw)->pScreen->myNum].beDisplay ||                     \
     (dmxOffScreenOpt &&                                                \
      (_pDraw)->type == DRAWABLE_WINDOW &&                              \
      (DMX_GET_WINDOW_PRIV((WindowPtr)(_pDraw))->offscreen ||           \
       !DMX_GET_WINDOW_PRIV((WindowPtr)(_pDraw))->window)))

Referenced by dmxCopyArea(), dmxCopyPlane(), dmxFillPolygon(), dmxGetImage(), dmxImageText16(), dmxImageText8(), dmxPolyArc(), dmxPolyFillArc(), dmxPolyFillRect(), dmxPolylines(), dmxPolyPoint(), dmxPolyRectangle(), dmxPolySegment(), dmxPolyText16(), dmxPolyText8(), and dmxPutImage().

#define DMX_GCOPS_SET_DRAWABLE	(		_pDraw,
			_draw
	)

Value:

do {                                                                    \
    if ((_pDraw)->type == DRAWABLE_WINDOW) {                            \
	dmxWinPrivPtr  pWinPriv =                                      \
	    DMX_GET_WINDOW_PRIV((WindowPtr)(_pDraw));                  \
        (_draw) = (Drawable)pWinPriv->window;                           \
    } else {                                                            \
	dmxPixPrivPtr  pPixPriv =                                      \
	    DMX_GET_PIXMAP_PRIV((PixmapPtr)(_pDraw));                  \
        (_draw) = (Drawable)pPixPriv->pixmap;                           \
    }                                                                   \
} while (0)

Referenced by dmxCopyArea(), dmxCopyPlane(), dmxFillPolygon(), dmxGetImage(), dmxImageText16(), dmxImageText8(), dmxPolyArc(), dmxPolyFillArc(), dmxPolyFillRect(), dmxPolylines(), dmxPolyPoint(), dmxPolyRectangle(), dmxPolySegment(), dmxPolyText16(), dmxPolyText8(), and dmxPutImage().

Function Documentation

RegionPtr dmxCopyArea	(	DrawablePtr	pSrc,
		DrawablePtr	pDst,
		GCPtr	pGC,
		int	srcx,
		int	srcy,
		int	w,
		int	h,
		int	dstx,
		int	dsty
	)

Copy area from pSrc drawable to pDst drawable on the back-end server associated with pSrc drawable's screen. If the offscreen optimization is enabled, only copy when both pSrc and pDst are at least partially visible.

References _DMXScreenInfo::beDisplay, DMX_GCOPS_OFFSCREEN, DMX_GCOPS_SET_DRAWABLE, DMX_GET_GC_PRIV, dmxScreens, dmxSync(), and _dmxGCPriv::gc.

RegionPtr dmxCopyPlane	(	DrawablePtr	pSrc,
		DrawablePtr	pDst,
		GCPtr	pGC,
		int	srcx,
		int	srcy,
		int	width,
		int	height,
		int	dstx,
		int	dsty,
		unsigned long	bitPlane
	)

Copy plane number bitPlane from pSrc drawable to pDst drawable on the back-end server associated with pSrc drawable's screen. If the offscreen optimization is enabled, only copy when both pSrc and pDst are at least partially visible.

References _DMXScreenInfo::beDisplay, DMX_GCOPS_OFFSCREEN, DMX_GCOPS_SET_DRAWABLE, DMX_GET_GC_PRIV, dmxScreens, dmxSync(), and _dmxGCPriv::gc.

void dmxFillPolygon	(	DrawablePtr	pDrawable,
		GCPtr	pGC,
		int	shape,
		int	mode,
		int	count,
		DDXPointPtr	pPts
	)

Render a filled polygons in pDrawable on the back-end server associated with pDrawable's screen. If the offscreen optimization is enabled, only draw when pDrawable is at least partially visible.

References _DMXScreenInfo::beDisplay, DMX_GCOPS_OFFSCREEN, DMX_GCOPS_SET_DRAWABLE, DMX_GET_GC_PRIV, dmxScreens, dmxSync(), and _dmxGCPriv::gc.

void dmxFillSpans	(	DrawablePtr	pDrawable,
		GCPtr	pGC,
		int	nInit,
		DDXPointPtr	pptInit,
		int *	pwidthInit,
		int	fSorted
	)

Fill spans – this function should never be called.

static DMXScreenInfo* dmxFindAlternatePixmap ( DrawablePtr  pDrawable, XID *  draw  )

static

When Xinerama is active, the client pixmaps are always obtained from screen 0. When screen 0 is detached, the pixmaps must be obtained from any other screen that is not detached. Usually, this is screen

References _DMXScreenInfo::beDisplay, DMX_GET_PIXMAP_PRIV, dmxScreens, and _dmxPixPriv::pixmap.

Referenced by dmxGetImage().

void dmxGetImage	(	DrawablePtr	pDrawable,
		int	sx,
		int	sy,
		int	w,
		int	h,
		unsigned int	format,
		unsigned long	planeMask,
		char *	pdstLine
	)

Get an image from the back-end server associated with pDrawable's screen. If pDrawable is a window, it must be viewable to get an image from it. If it is not viewable, then get the image from the first ancestor of pDrawable that is viewable. If no viewable ancestor is found, then simply return without getting an image.

References _DMXScreenInfo::beDisplay, DMX_GCOPS_OFFSCREEN, DMX_GCOPS_SET_DRAWABLE, dmxFindAlternatePixmap(), dmxScreens, and dmxSync().

Referenced by dmxScreenInit().

void dmxGetSpans	(	DrawablePtr	pDrawable,
		int	wMax,
		DDXPointPtr	ppt,
		int *	pwidth,
		int	nspans,
		char *	pdstStart
	)

Get Spans – this function should never be called.

Referenced by dmxScreenInit().

void dmxImageGlyphBlt	(	DrawablePtr	pDrawable,
		GCPtr	pGC,
		int	x,
		int	y,
		unsigned int	nglyph,
		CharInfoPtr *	ppci,
		void *	pglyphBase
	)

Image Glyph Blt – this function should never be called.

void dmxImageText16	(	DrawablePtr	pDrawable,
		GCPtr	pGC,
		int	x,
		int	y,
		int	count,
		unsigned short *	chars
	)

Render string of 16-bit chars (both foreground and background) in pDrawable on the back-end server associated with pDrawable's screen. If the offscreen optimization is enabled, only draw when pDrawable is at least partially visible.

References _DMXScreenInfo::beDisplay, DMX_GCOPS_OFFSCREEN, DMX_GCOPS_SET_DRAWABLE, DMX_GET_GC_PRIV, dmxScreens, dmxSync(), and _dmxGCPriv::gc.

void dmxImageText8	(	DrawablePtr	pDrawable,
		GCPtr	pGC,
		int	x,
		int	y,
		int	count,
		char *	chars
	)

Render string of 8-bit chars (both foreground and background) in pDrawable on the back-end server associated with pDrawable's screen. If the offscreen optimization is enabled, only draw when pDrawable is at least partially visible.

References _DMXScreenInfo::beDisplay, DMX_GCOPS_OFFSCREEN, DMX_GCOPS_SET_DRAWABLE, DMX_GET_GC_PRIV, dmxScreens, dmxSync(), and _dmxGCPriv::gc.

void dmxPolyArc	(	DrawablePtr	pDrawable,
		GCPtr	pGC,
		int	narcs,
		xArc *	parcs
	)

Render list of arc outlines, parcs in pDrawable on the back-end server associated with pDrawable's screen. If the offscreen optimization is enabled, only draw when pDrawable is at least partially visible.

References _DMXScreenInfo::beDisplay, DMX_GCOPS_OFFSCREEN, DMX_GCOPS_SET_DRAWABLE, DMX_GET_GC_PRIV, dmxScreens, dmxSync(), and _dmxGCPriv::gc.

void dmxPolyFillArc	(	DrawablePtr	pDrawable,
		GCPtr	pGC,
		int	narcs,
		xArc *	parcs
	)

Render list of filled arcs, parcs in pDrawable on the back-end server associated with pDrawable's screen. If the offscreen optimization is enabled, only draw when pDrawable is at least partially visible.

References _DMXScreenInfo::beDisplay, DMX_GCOPS_OFFSCREEN, DMX_GCOPS_SET_DRAWABLE, DMX_GET_GC_PRIV, dmxScreens, dmxSync(), and _dmxGCPriv::gc.

void dmxPolyFillRect	(	DrawablePtr	pDrawable,
		GCPtr	pGC,
		int	nrectFill,
		xRectangle *	prectInit
	)

Render list of filled rectangles, prectInit in pDrawable on the back-end server associated with pDrawable's screen. If the offscreen optimization is enabled, only draw when pDrawable is at least partially visible.

References _DMXScreenInfo::beDisplay, DMX_GCOPS_OFFSCREEN, DMX_GCOPS_SET_DRAWABLE, DMX_GET_GC_PRIV, dmxScreens, dmxSync(), and _dmxGCPriv::gc.

void dmxPolyGlyphBlt	(	DrawablePtr	pDrawable,
		GCPtr	pGC,
		int	x,
		int	y,
		unsigned int	nglyph,
		CharInfoPtr *	ppci,
		void *	pglyphBase
	)

Poly Glyph Blt – this function should never be called.

void dmxPolylines	(	DrawablePtr	pDrawable,
		GCPtr	pGC,
		int	mode,
		int	npt,
		DDXPointPtr	pptInit
	)

Render list of connected lines, pptInit in pDrawable on the back-end server associated with pDrawable's screen. If the offscreen optimization is enabled, only draw when pDrawable is at least partially visible.

References _DMXScreenInfo::beDisplay, DMX_GCOPS_OFFSCREEN, DMX_GCOPS_SET_DRAWABLE, DMX_GET_GC_PRIV, dmxScreens, dmxSync(), and _dmxGCPriv::gc.

void dmxPolyPoint	(	DrawablePtr	pDrawable,
		GCPtr	pGC,
		int	mode,
		int	npt,
		DDXPointPtr	pptInit
	)

Render list of points, pptInit in pDrawable on the back-end server associated with pDrawable's screen. If the offscreen optimization is enabled, only draw when pDrawable is at least partially visible.

References _DMXScreenInfo::beDisplay, DMX_GCOPS_OFFSCREEN, DMX_GCOPS_SET_DRAWABLE, DMX_GET_GC_PRIV, dmxScreens, dmxSync(), and _dmxGCPriv::gc.

void dmxPolyRectangle	(	DrawablePtr	pDrawable,
		GCPtr	pGC,
		int	nrects,
		xRectangle *	pRects
	)

Render list of rectangle outlines, pRects in pDrawable on the back-end server associated with pDrawable's screen. If the offscreen optimization is enabled, only draw when pDrawable is at least partially visible.

References _DMXScreenInfo::beDisplay, DMX_GCOPS_OFFSCREEN, DMX_GCOPS_SET_DRAWABLE, DMX_GET_GC_PRIV, dmxScreens, dmxSync(), and _dmxGCPriv::gc.

void dmxPolySegment	(	DrawablePtr	pDrawable,
		GCPtr	pGC,
		int	nseg,
		xSegment *	pSegs
	)

Render list of disjoint segments, pSegs in pDrawable on the back-end server associated with pDrawable's screen. If the offscreen optimization is enabled, only draw when pDrawable is at least partially visible.

References _DMXScreenInfo::beDisplay, DMX_GCOPS_OFFSCREEN, DMX_GCOPS_SET_DRAWABLE, DMX_GET_GC_PRIV, dmxScreens, dmxSync(), and _dmxGCPriv::gc.

int dmxPolyText16	(	DrawablePtr	pDrawable,
		GCPtr	pGC,
		int	x,
		int	y,
		int	count,
		unsigned short *	chars
	)

Render string of 16-bit chars (foreground only) in pDrawable on the back-end server associated with pDrawable's screen. If the offscreen optimization is enabled, only draw when pDrawable is at least partially visible.

References _DMXScreenInfo::beDisplay, DMX_GCOPS_OFFSCREEN, DMX_GCOPS_SET_DRAWABLE, DMX_GET_GC_PRIV, dmxScreens, dmxSync(), and _dmxGCPriv::gc.

int dmxPolyText8	(	DrawablePtr	pDrawable,
		GCPtr	pGC,
		int	x,
		int	y,
		int	count,
		char *	chars
	)

Render string of 8-bit chars (foreground only) in pDrawable on the back-end server associated with pDrawable's screen. If the offscreen optimization is enabled, only draw when pDrawable is at least partially visible.

References _DMXScreenInfo::beDisplay, DMX_GCOPS_OFFSCREEN, DMX_GCOPS_SET_DRAWABLE, DMX_GET_GC_PRIV, dmxScreens, dmxSync(), and _dmxGCPriv::gc.

void dmxPushPixels	(	GCPtr	pGC,
		PixmapPtr	pBitMap,
		DrawablePtr	pDst,
		int	w,
		int	h,
		int	x,
		int	y
	)

Push Pixels – this function should never be called.

void dmxPutImage	(	DrawablePtr	pDrawable,
		GCPtr	pGC,
		int	depth,
		int	x,
		int	y,
		int	w,
		int	h,
		int	leftPad,
		int	format,
		char *	pBits
	)

Transfer pBits image to back-end server associated with pDrawable's screen. If primitive subdivision optimization is enabled, then only transfer the sections of pBits that are visible (i.e., not-clipped) to the back-end server.

References _DMXScreenInfo::beDefVisualIndex, _DMXScreenInfo::beDisplay, _DMXScreenInfo::beVisuals, DMX_GCOPS_OFFSCREEN, DMX_GCOPS_SET_DRAWABLE, DMX_GET_GC_PRIV, dmxScreens, dmxSubdividePrimitives, dmxSync(), and _dmxGCPriv::gc.

void dmxSetSpans	(	DrawablePtr	pDrawable,
		GCPtr	pGC,
		char *	psrc,
		DDXPointPtr	ppt,
		int *	pwidth,
		int	nspans,
		int	fSorted
	)

Set spans – this function should never be called.