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authormarha <marha@users.sourceforge.net>2009-06-28 22:07:26 +0000
committermarha <marha@users.sourceforge.net>2009-06-28 22:07:26 +0000
commit3562e78743202e43aec8727005182a2558117eca (patch)
tree8f9113a77d12470c5c851a2a8e4cb02e89df7d43 /xorg-server/hw/xnest/Pixmap.c
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Checked in the following released items:
xkeyboard-config-1.4.tar.gz ttf-bitstream-vera-1.10.tar.gz font-alias-1.0.1.tar.gz font-sun-misc-1.0.0.tar.gz font-sun-misc-1.0.0.tar.gz font-sony-misc-1.0.0.tar.gz font-schumacher-misc-1.0.0.tar.gz font-mutt-misc-1.0.0.tar.gz font-misc-misc-1.0.0.tar.gz font-misc-meltho-1.0.0.tar.gz font-micro-misc-1.0.0.tar.gz font-jis-misc-1.0.0.tar.gz font-isas-misc-1.0.0.tar.gz font-dec-misc-1.0.0.tar.gz font-daewoo-misc-1.0.0.tar.gz font-cursor-misc-1.0.0.tar.gz font-arabic-misc-1.0.0.tar.gz font-winitzki-cyrillic-1.0.0.tar.gz font-misc-cyrillic-1.0.0.tar.gz font-cronyx-cyrillic-1.0.0.tar.gz font-screen-cyrillic-1.0.1.tar.gz font-xfree86-type1-1.0.1.tar.gz font-adobe-utopia-type1-1.0.1.tar.gz font-ibm-type1-1.0.0.tar.gz font-bitstream-type1-1.0.0.tar.gz font-bitstream-speedo-1.0.0.tar.gz font-bh-ttf-1.0.0.tar.gz font-bh-type1-1.0.0.tar.gz font-bitstream-100dpi-1.0.0.tar.gz font-bh-lucidatypewriter-100dpi-1.0.0.tar.gz font-bh-100dpi-1.0.0.tar.gz font-adobe-utopia-100dpi-1.0.1.tar.gz font-adobe-100dpi-1.0.0.tar.gz font-util-1.0.1.tar.gz font-bitstream-75dpi-1.0.0.tar.gz font-bh-lucidatypewriter-75dpi-1.0.0.tar.gz font-adobe-utopia-75dpi-1.0.1.tar.gz font-bh-75dpi-1.0.0.tar.gz bdftopcf-1.0.1.tar.gz font-adobe-75dpi-1.0.0.tar.gz mkfontscale-1.0.6.tar.gz openssl-0.9.8k.tar.gz bigreqsproto-1.0.2.tar.gz xtrans-1.2.2.tar.gz resourceproto-1.0.2.tar.gz inputproto-1.4.4.tar.gz compositeproto-0.4.tar.gz damageproto-1.1.0.tar.gz zlib-1.2.3.tar.gz xkbcomp-1.0.5.tar.gz freetype-2.3.9.tar.gz pthreads-w32-2-8-0-release.tar.gz pixman-0.12.0.tar.gz kbproto-1.0.3.tar.gz evieext-1.0.2.tar.gz fixesproto-4.0.tar.gz recordproto-1.13.2.tar.gz randrproto-1.2.2.tar.gz scrnsaverproto-1.1.0.tar.gz renderproto-0.9.3.tar.gz xcmiscproto-1.1.2.tar.gz fontsproto-2.0.2.tar.gz xextproto-7.0.3.tar.gz xproto-7.0.14.tar.gz libXdmcp-1.0.2.tar.gz libxkbfile-1.0.5.tar.gz libfontenc-1.0.4.tar.gz libXfont-1.3.4.tar.gz libX11-1.1.5.tar.gz libXau-1.0.4.tar.gz libxcb-1.1.tar.gz xorg-server-1.5.3.tar.gz
Diffstat (limited to 'xorg-server/hw/xnest/Pixmap.c')
-rw-r--r--xorg-server/hw/xnest/Pixmap.c140
1 files changed, 140 insertions, 0 deletions
diff --git a/xorg-server/hw/xnest/Pixmap.c b/xorg-server/hw/xnest/Pixmap.c
new file mode 100644
index 000000000..04311966d
--- /dev/null
+++ b/xorg-server/hw/xnest/Pixmap.c
@@ -0,0 +1,140 @@
+/*
+
+Copyright 1993 by Davor Matic
+
+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. Davor Matic makes no representations about
+the suitability of this software for any purpose. It is provided "as
+is" without express or implied warranty.
+
+*/
+
+#ifdef HAVE_XNEST_CONFIG_H
+#include <xnest-config.h>
+#endif
+
+#include <X11/X.h>
+#include <X11/Xproto.h>
+#include "regionstr.h"
+#include "pixmapstr.h"
+#include "scrnintstr.h"
+#include "regionstr.h"
+#include "gc.h"
+#include "servermd.h"
+#include "privates.h"
+#include "mi.h"
+
+#include "Xnest.h"
+
+#include "Display.h"
+#include "Screen.h"
+#include "XNPixmap.h"
+
+DevPrivateKey xnestPixmapPrivateKey = &xnestPixmapPrivateKey;
+
+PixmapPtr
+xnestCreatePixmap(ScreenPtr pScreen, int width, int height, int depth,
+ unsigned usage_hint)
+{
+ PixmapPtr pPixmap;
+
+ pPixmap = AllocatePixmap(pScreen, sizeof(xnestPrivPixmap));
+ if (!pPixmap)
+ return NullPixmap;
+ pPixmap->drawable.type = DRAWABLE_PIXMAP;
+ pPixmap->drawable.class = 0;
+ pPixmap->drawable.depth = depth;
+ pPixmap->drawable.bitsPerPixel = depth;
+ pPixmap->drawable.id = 0;
+ pPixmap->drawable.x = 0;
+ pPixmap->drawable.y = 0;
+ pPixmap->drawable.width = width;
+ pPixmap->drawable.height = height;
+ pPixmap->drawable.pScreen = pScreen;
+ pPixmap->drawable.serialNumber = NEXT_SERIAL_NUMBER;
+ pPixmap->refcnt = 1;
+ pPixmap->devKind = PixmapBytePad(width, depth);
+ pPixmap->usage_hint = usage_hint;
+ dixSetPrivate(&pPixmap->devPrivates, xnestPixmapPrivateKey,
+ (char *)pPixmap + pScreen->totalPixmapSize);
+ if (width && height)
+ xnestPixmapPriv(pPixmap)->pixmap =
+ XCreatePixmap(xnestDisplay,
+ xnestDefaultWindows[pScreen->myNum],
+ width, height, depth);
+ else
+ xnestPixmapPriv(pPixmap)->pixmap = 0;
+
+ return pPixmap;
+}
+
+Bool
+xnestDestroyPixmap(PixmapPtr pPixmap)
+{
+ if(--pPixmap->refcnt)
+ return TRUE;
+ XFreePixmap(xnestDisplay, xnestPixmap(pPixmap));
+ dixFreePrivates(pPixmap->devPrivates);
+ xfree(pPixmap);
+ return TRUE;
+}
+
+RegionPtr
+xnestPixmapToRegion(PixmapPtr pPixmap)
+{
+ XImage *ximage;
+ register RegionPtr pReg, pTmpReg;
+ register int x, y;
+ unsigned long previousPixel, currentPixel;
+ BoxRec Box;
+ Bool overlap;
+
+ ximage = XGetImage(xnestDisplay, xnestPixmap(pPixmap), 0, 0,
+ pPixmap->drawable.width, pPixmap->drawable.height,
+ 1, XYPixmap);
+
+ pReg = REGION_CREATE(pPixmap->drawable.pScreen, NULL, 1);
+ pTmpReg = REGION_CREATE(pPixmap->drawable.pScreen, NULL, 1);
+ if(!pReg || !pTmpReg) {
+ XDestroyImage(ximage);
+ return NullRegion;
+ }
+
+ for (y = 0; y < pPixmap->drawable.height; y++) {
+ Box.y1 = y;
+ Box.y2 = y + 1;
+ previousPixel = 0L;
+ for (x = 0; x < pPixmap->drawable.width; x++) {
+ currentPixel = XGetPixel(ximage, x, y);
+ if (previousPixel != currentPixel) {
+ if (previousPixel == 0L) {
+ /* left edge */
+ Box.x1 = x;
+ }
+ else if (currentPixel == 0L) {
+ /* right edge */
+ Box.x2 = x;
+ REGION_RESET(pPixmap->drawable.pScreen, pTmpReg, &Box);
+ REGION_APPEND(pPixmap->drawable.pScreen, pReg, pTmpReg);
+ }
+ previousPixel = currentPixel;
+ }
+ }
+ if (previousPixel != 0L) {
+ /* right edge because of the end of pixmap */
+ Box.x2 = pPixmap->drawable.width;
+ REGION_RESET(pPixmap->drawable.pScreen, pTmpReg, &Box);
+ REGION_APPEND(pPixmap->drawable.pScreen, pReg, pTmpReg);
+ }
+ }
+
+ REGION_DESTROY(pPixmap->drawable.pScreen, pTmpReg);
+ XDestroyImage(ximage);
+
+ REGION_VALIDATE(pPixmap->drawable.pScreen, pReg, &overlap);
+
+ return(pReg);
+}