X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=Xserver%2Fprograms%2FXserver%2Fmfb%2Fmfbbstore.c;fp=Xserver%2Fprograms%2FXserver%2Fmfb%2Fmfbbstore.c;h=536525de513549b21b37b6c5ee8f2519071faf30;hb=b6e6afccf37f4ad0515ef2a698f714fdf1bf23b3;hp=0000000000000000000000000000000000000000;hpb=e3340a110a3b01756b8e67531395a33b40a17d37;p=rdpsrv

diff --git a/Xserver/programs/Xserver/mfb/mfbbstore.c b/Xserver/programs/Xserver/mfb/mfbbstore.c
new file mode 100644
index 0000000..536525d
--- /dev/null
+++ b/Xserver/programs/Xserver/mfb/mfbbstore.c
@@ -0,0 +1,153 @@
+/* $XConsortium: mfbbstore.c,v 5.7 94/04/17 20:28:18 dpw Exp $ */
+/* Combined Purdue/PurduePlus patches, level 2.0, 1/17/89 */
+/*
+
+Copyright (c) 1987  X Consortium
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of this software and associated documentation files (the
+"Software"), to deal in the Software without restriction, including
+without limitation the rights to use, copy, modify, merge, publish,
+distribute, sublicense, and/or sell copies of the Software, and to
+permit persons to whom the Software is furnished to do so, subject to
+the following conditions:
+
+The above copyright notice and this permission notice shall be included
+in all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+IN NO EVENT SHALL THE X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR
+OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+OTHER DEALINGS IN THE SOFTWARE.
+
+Except as contained in this notice, the name of the X Consortium shall
+not be used in advertising or otherwise to promote the sale, use or
+other dealings in this Software without prior written authorization
+from the X Consortium.
+
+*/
+
+#include    "mfb.h"
+#include    "X.h"
+#include    "mibstore.h"
+#include    "regionstr.h"
+#include    "scrnintstr.h"
+#include    "pixmapstr.h"
+#include    "windowstr.h"
+
+/*-
+ *-----------------------------------------------------------------------
+ * mfbSaveAreas --
+ *	Function called by miSaveAreas to actually fetch the areas to be
+ *	saved into the backing pixmap. This is very simple to do, since
+ *	mfbDoBitblt is designed for this very thing. The region to save is
+ *	already destination-relative and we're given the offset to the
+ *	window origin, so we have only to create an array of points of the
+ *	u.l. corners of the boxes in the region translated to the screen
+ *	coordinate system and fetch the screen pixmap out of its devPrivate
+ *	field....
+ *
+ * Results:
+ *	None.
+ *
+ * Side Effects:
+ *	Data are copied from the screen into the pixmap.
+ *
+ *-----------------------------------------------------------------------
+ */
+void
+mfbSaveAreas(pPixmap, prgnSave, xorg, yorg, pWin)
+    PixmapPtr	  	pPixmap;  	/* Backing pixmap */
+    RegionPtr	  	prgnSave; 	/* Region to save (pixmap-relative) */
+    int	    	  	xorg;	    	/* X origin of region */
+    int	    	  	yorg;	    	/* Y origin of region */
+    WindowPtr		pWin;
+{
+    register DDXPointPtr pPt;
+    DDXPointPtr		pPtsInit;
+    register BoxPtr	pBox;
+    register int	numRects;
+    
+    numRects = REGION_NUM_RECTS(prgnSave);
+    pPtsInit = (DDXPointPtr)ALLOCATE_LOCAL(numRects * sizeof(DDXPointRec));
+    if (!pPtsInit)
+	return;
+    
+    pBox = REGION_RECTS(prgnSave);
+    pPt = pPtsInit;
+    while (numRects--)
+    {
+	pPt->x = pBox->x1 + xorg;
+ 	pPt->y = pBox->y1 + yorg;
+ 	pPt++;
+ 	pBox++;
+    }
+
+    mfbDoBitblt((DrawablePtr)pPixmap->drawable.pScreen->devPrivate,
+		(DrawablePtr)pPixmap,
+		GXcopy,
+		prgnSave,
+		pPtsInit);
+
+    DEALLOCATE_LOCAL(pPtsInit);
+}
+
+/*-
+ *-----------------------------------------------------------------------
+ * mfbRestoreAreas --
+ *	Function called by miRestoreAreas to actually fetch the areas to be
+ *	restored from the backing pixmap. This is very simple to do, since
+ *	mfbDoBitblt is designed for this very thing. The region to restore is
+ *	already destination-relative and we're given the offset to the
+ *	window origin, so we have only to create an array of points of the
+ *	u.l. corners of the boxes in the region translated to the pixmap
+ *	coordinate system and fetch the screen pixmap out of its devPrivate
+ *	field....
+ *
+ * Results:
+ *	None.
+ *
+ * Side Effects:
+ *	Data are copied from the pixmap into the screen.
+ *
+ *-----------------------------------------------------------------------
+ */
+void
+mfbRestoreAreas(pPixmap, prgnRestore, xorg, yorg, pWin)
+    PixmapPtr	  	pPixmap;  	/* Backing pixmap */
+    RegionPtr	  	prgnRestore; 	/* Region to restore (screen-relative)*/
+    int	    	  	xorg;	    	/* X origin of window */
+    int	    	  	yorg;	    	/* Y origin of window */
+    WindowPtr		pWin;
+{
+    register DDXPointPtr pPt;
+    DDXPointPtr		pPtsInit;
+    register BoxPtr	pBox;
+    register int	numRects;
+    
+    numRects = REGION_NUM_RECTS(prgnRestore);
+    pPtsInit = (DDXPointPtr)ALLOCATE_LOCAL(numRects*sizeof(DDXPointRec));
+    if (!pPtsInit)
+	return;
+    
+    pBox = REGION_RECTS(prgnRestore);
+    pPt = pPtsInit;
+    while (numRects--)
+    {
+	pPt->x = pBox->x1 - xorg;
+ 	pPt->y = pBox->y1 - yorg;
+ 	pPt++;
+ 	pBox++;
+    }
+
+    mfbDoBitblt((DrawablePtr)pPixmap,
+		(DrawablePtr)pPixmap->drawable.pScreen->devPrivate,
+		GXcopy,
+		prgnRestore,
+		pPtsInit);
+
+    DEALLOCATE_LOCAL(pPtsInit);
+}