aboutsummaryrefslogtreecommitdiff
path: root/nx-X11/programs/Xserver/mfb/mfbbstore.c
diff options
context:
space:
mode:
authorReinhard Tartler <siretart@tauware.de>2011-10-10 17:43:39 +0200
committerReinhard Tartler <siretart@tauware.de>2011-10-10 17:43:39 +0200
commitf4092abdf94af6a99aff944d6264bc1284e8bdd4 (patch)
tree2ac1c9cc16ceb93edb2c4382c088dac5aeafdf0f /nx-X11/programs/Xserver/mfb/mfbbstore.c
parenta840692edc9c6d19cd7c057f68e39c7d95eb767d (diff)
downloadnx-libs-f4092abdf94af6a99aff944d6264bc1284e8bdd4.tar.gz
nx-libs-f4092abdf94af6a99aff944d6264bc1284e8bdd4.tar.bz2
nx-libs-f4092abdf94af6a99aff944d6264bc1284e8bdd4.zip
Imported nx-X11-3.1.0-1.tar.gznx-X11/3.1.0-1
Summary: Imported nx-X11-3.1.0-1.tar.gz Keywords: Imported nx-X11-3.1.0-1.tar.gz into Git repository
Diffstat (limited to 'nx-X11/programs/Xserver/mfb/mfbbstore.c')
-rw-r--r--nx-X11/programs/Xserver/mfb/mfbbstore.c155
1 files changed, 155 insertions, 0 deletions
diff --git a/nx-X11/programs/Xserver/mfb/mfbbstore.c b/nx-X11/programs/Xserver/mfb/mfbbstore.c
new file mode 100644
index 000000000..270aa78fd
--- /dev/null
+++ b/nx-X11/programs/Xserver/mfb/mfbbstore.c
@@ -0,0 +1,155 @@
+/* $Xorg: mfbbstore.c,v 1.4 2001/02/09 02:05:18 xorgcvs Exp $ */
+/* Combined Purdue/PurduePlus patches, level 2.0, 1/17/89 */
+/*
+
+Copyright 1987, 1998 The Open Group
+
+Permission to use, copy, modify, distribute, and sell this software and its
+documentation for any purpose is hereby granted without fee, provided that
+the above copyright notice appear in all copies and that both that
+copyright notice and this permission notice appear in supporting
+documentation.
+
+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 OPEN GROUP 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 Open Group 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 Open Group.
+
+*/
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include "mfb.h"
+#include <X11/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);
+}