xserver git update 15/5/2010

1 files changed, 191 insertions, 192 deletions

diff --git a/xorg-server/dix/glyphcurs.c b/xorg-server/dix/glyphcurs.c
index f74b13730..946f447b2 100644
--- a/xorg-server/dix/glyphcurs.c
+++ b/xorg-server/dix/glyphcurs.c
@@ -1,192 +1,191 @@
-/************************************************************************
-
-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.
-
-
-Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts.
-
-                        All Rights Reserved
-
-Permission to use, copy, modify, and distribute this software and its 
-documentation for any purpose and without fee is hereby granted, 
-provided that the above copyright notice appear in all copies and that
-both that copyright notice and this permission notice appear in 
-supporting documentation, and that the name of Digital not be
-used in advertising or publicity pertaining to distribution of the
-software without specific, written prior permission.  
-
-DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING
-ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL
-DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR
-ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
-WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,
-ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS
-SOFTWARE.
-
-************************************************************************/
-
-
-#ifdef HAVE_DIX_CONFIG_H
-#include <dix-config.h>
-#endif
-
-#include "misc.h"
-#include <X11/fonts/fontstruct.h>
-#include "dixfontstr.h"
-#include "scrnintstr.h"
-#include "gcstruct.h"
-#include "resource.h"
-#include "dix.h"
-#include "cursorstr.h"
-#include "opaque.h"
-#include "servermd.h"
-
-
-/*
-    get the bits out of the font in a portable way.  to avoid
-dealing with padding and such-like, we draw the glyph into
-a bitmap, then read the bits out with GetImage, which
-uses server-natural format.
-    since all screens return the same bitmap format, we'll just use
-the first one we find.
-    the character origin lines up with the hotspot in the
-cursor metrics.
-*/
-
-int
-ServerBitsFromGlyph(FontPtr pfont, unsigned ch, CursorMetricPtr cm, unsigned char **ppbits)
-{
-    ScreenPtr pScreen;
-    GCPtr pGC;
-    xRectangle rect;
-    PixmapPtr ppix;
-    long nby;
-    char *pbits;
-    ChangeGCVal gcval[3];
-    unsigned char char2b[2];
-
-    /* turn glyph index into a protocol-format char2b */
-    char2b[0] = (unsigned char)(ch >> 8);
-    char2b[1] = (unsigned char)(ch & 0xff);
-
-    pScreen = screenInfo.screens[0];
-    nby = BitmapBytePad(cm->width) * (long)cm->height;
-    pbits = xcalloc(1, nby);
-    if (!pbits)
-	return BadAlloc;
-
-    ppix = (PixmapPtr)(*pScreen->CreatePixmap)(pScreen, cm->width,
-					       cm->height, 1,
-					       CREATE_PIXMAP_USAGE_SCRATCH);
-    pGC = GetScratchGC(1, pScreen);
-    if (!ppix || !pGC)
-    {
-	if (ppix)
-	    (*pScreen->DestroyPixmap)(ppix);
-	if (pGC)
-	    FreeScratchGC(pGC);
-	xfree(pbits);
-	return BadAlloc;
-    }
-
-    rect.x = 0;
-    rect.y = 0;
-    rect.width = cm->width;
-    rect.height = cm->height;
-
-    /* fill the pixmap with 0 */
-    gcval[0].val = GXcopy;
-    gcval[1].val = 0;
-    gcval[2].ptr = (pointer)pfont;
-    dixChangeGC(NullClient, pGC, GCFunction | GCForeground | GCFont,
-		NULL, gcval);
-    ValidateGC((DrawablePtr)ppix, pGC);
-    (*pGC->ops->PolyFillRect)((DrawablePtr)ppix, pGC, 1, &rect);
-
-    /* draw the glyph */
-    gcval[0].val = 1;
-    dixChangeGC(NullClient, pGC, GCForeground, NULL, gcval);
-    ValidateGC((DrawablePtr)ppix, pGC);
-    (*pGC->ops->PolyText16)((DrawablePtr)ppix, pGC, cm->xhot, cm->yhot,
-			    1, (unsigned short *)char2b);
-    (*pScreen->GetImage)((DrawablePtr)ppix, 0, 0, cm->width, cm->height,
-			 XYPixmap, 1, pbits);
-    *ppbits = (unsigned char *)pbits;
-    FreeScratchGC(pGC);
-    (*pScreen->DestroyPixmap)(ppix);
-    return Success;
-}
-
-
-Bool
-CursorMetricsFromGlyph(FontPtr pfont, unsigned ch, CursorMetricPtr cm)
-{
-    CharInfoPtr 	pci;
-    unsigned long	nglyphs;
-    CARD8		chs[2];
-    FontEncoding	encoding;
-
-    chs[0] = ch >> 8;
-    chs[1] = ch;
-    encoding = (FONTLASTROW(pfont) == 0) ? Linear16Bit : TwoD16Bit;
-    if (encoding == Linear16Bit)
-    {
-	if (ch < pfont->info.firstCol || pfont->info.lastCol < ch)
-	    return FALSE;
-    }
-    else
-    {
-	if (chs[0] < pfont->info.firstRow || pfont->info.lastRow < chs[0])
-	    return FALSE;
-	if (chs[1] < pfont->info.firstCol || pfont->info.lastCol < chs[1])
-	    return FALSE;
-    }
-    (*pfont->get_glyphs) (pfont, 1, chs, encoding, &nglyphs, &pci);
-    if (nglyphs == 0)
-	return FALSE;
-    cm->width = pci->metrics.rightSideBearing - pci->metrics.leftSideBearing;
-    cm->height = pci->metrics.descent + pci->metrics.ascent;
-    if (pci->metrics.leftSideBearing > 0)
-    {
-	cm->width += pci->metrics.leftSideBearing;
-	cm->xhot = 0;
-    }
-    else
-    {
-	cm->xhot = -pci->metrics.leftSideBearing;
-	if (pci->metrics.rightSideBearing < 0)
-	    cm->width -= pci->metrics.rightSideBearing;
-    }
-    if (pci->metrics.ascent < 0)
-    {
-	cm->height -= pci->metrics.ascent;
-	cm->yhot = 0;
-    }
-    else
-    {
-	cm->yhot = pci->metrics.ascent;
-	if (pci->metrics.descent < 0)
-	    cm->height -= pci->metrics.descent;
-    }
-    return TRUE;
-}
+/************************************************************************

+

+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.

+

+

+Copyright 1987 by Digital Equipment Corporation, Maynard, Massachusetts.

+

+                        All Rights Reserved

+

+Permission to use, copy, modify, and distribute this software and its 

+documentation for any purpose and without fee is hereby granted, 

+provided that the above copyright notice appear in all copies and that

+both that copyright notice and this permission notice appear in 

+supporting documentation, and that the name of Digital not be

+used in advertising or publicity pertaining to distribution of the

+software without specific, written prior permission.  

+

+DIGITAL DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING

+ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL

+DIGITAL BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR

+ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,

+WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION,

+ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS

+SOFTWARE.

+

+************************************************************************/

+

+

+#ifdef HAVE_DIX_CONFIG_H

+#include <dix-config.h>

+#endif

+

+#include "misc.h"

+#include <X11/fonts/fontstruct.h>

+#include "dixfontstr.h"

+#include "scrnintstr.h"

+#include "gcstruct.h"

+#include "resource.h"

+#include "dix.h"

+#include "cursorstr.h"

+#include "opaque.h"

+#include "servermd.h"

+

+

+/*

+    get the bits out of the font in a portable way.  to avoid

+dealing with padding and such-like, we draw the glyph into

+a bitmap, then read the bits out with GetImage, which

+uses server-natural format.

+    since all screens return the same bitmap format, we'll just use

+the first one we find.

+    the character origin lines up with the hotspot in the

+cursor metrics.

+*/

+

+int

+ServerBitsFromGlyph(FontPtr pfont, unsigned ch, CursorMetricPtr cm, unsigned char **ppbits)

+{

+    ScreenPtr pScreen;

+    GCPtr pGC;

+    xRectangle rect;

+    PixmapPtr ppix;

+    long nby;

+    char *pbits;

+    ChangeGCVal gcval[3];

+    unsigned char char2b[2];

+

+    /* turn glyph index into a protocol-format char2b */

+    char2b[0] = (unsigned char)(ch >> 8);

+    char2b[1] = (unsigned char)(ch & 0xff);

+

+    pScreen = screenInfo.screens[0];

+    nby = BitmapBytePad(cm->width) * (long)cm->height;

+    pbits = calloc(1, nby);

+    if (!pbits)

+	return BadAlloc;

+

+    ppix = (PixmapPtr)(*pScreen->CreatePixmap)(pScreen, cm->width,

+					       cm->height, 1,

+					       CREATE_PIXMAP_USAGE_SCRATCH);

+    pGC = GetScratchGC(1, pScreen);

+    if (!ppix || !pGC)

+    {

+	if (ppix)

+	    (*pScreen->DestroyPixmap)(ppix);

+	if (pGC)

+	    FreeScratchGC(pGC);

+	free(pbits);

+	return BadAlloc;

+    }

+

+    rect.x = 0;

+    rect.y = 0;

+    rect.width = cm->width;

+    rect.height = cm->height;

+

+    /* fill the pixmap with 0 */

+    gcval[0].val = GXcopy;

+    gcval[1].val = 0;

+    gcval[2].ptr = (pointer)pfont;

+    ChangeGC(NullClient, pGC, GCFunction | GCForeground | GCFont, gcval);

+    ValidateGC((DrawablePtr)ppix, pGC);

+    (*pGC->ops->PolyFillRect)((DrawablePtr)ppix, pGC, 1, &rect);

+

+    /* draw the glyph */

+    gcval[0].val = 1;

+    ChangeGC(NullClient, pGC, GCForeground, gcval);

+    ValidateGC((DrawablePtr)ppix, pGC);

+    (*pGC->ops->PolyText16)((DrawablePtr)ppix, pGC, cm->xhot, cm->yhot,

+			    1, (unsigned short *)char2b);

+    (*pScreen->GetImage)((DrawablePtr)ppix, 0, 0, cm->width, cm->height,

+			 XYPixmap, 1, pbits);

+    *ppbits = (unsigned char *)pbits;

+    FreeScratchGC(pGC);

+    (*pScreen->DestroyPixmap)(ppix);

+    return Success;

+}

+

+

+Bool

+CursorMetricsFromGlyph(FontPtr pfont, unsigned ch, CursorMetricPtr cm)

+{

+    CharInfoPtr 	pci;

+    unsigned long	nglyphs;

+    CARD8		chs[2];

+    FontEncoding	encoding;

+

+    chs[0] = ch >> 8;

+    chs[1] = ch;

+    encoding = (FONTLASTROW(pfont) == 0) ? Linear16Bit : TwoD16Bit;

+    if (encoding == Linear16Bit)

+    {

+	if (ch < pfont->info.firstCol || pfont->info.lastCol < ch)

+	    return FALSE;

+    }

+    else

+    {

+	if (chs[0] < pfont->info.firstRow || pfont->info.lastRow < chs[0])

+	    return FALSE;

+	if (chs[1] < pfont->info.firstCol || pfont->info.lastCol < chs[1])

+	    return FALSE;

+    }

+    (*pfont->get_glyphs) (pfont, 1, chs, encoding, &nglyphs, &pci);

+    if (nglyphs == 0)

+	return FALSE;

+    cm->width = pci->metrics.rightSideBearing - pci->metrics.leftSideBearing;

+    cm->height = pci->metrics.descent + pci->metrics.ascent;

+    if (pci->metrics.leftSideBearing > 0)

+    {

+	cm->width += pci->metrics.leftSideBearing;

+	cm->xhot = 0;

+    }

+    else

+    {

+	cm->xhot = -pci->metrics.leftSideBearing;

+	if (pci->metrics.rightSideBearing < 0)

+	    cm->width -= pci->metrics.rightSideBearing;

+    }

+    if (pci->metrics.ascent < 0)

+    {

+	cm->height -= pci->metrics.ascent;

+	cm->yhot = 0;

+    }

+    else

+    {

+	cm->yhot = pci->metrics.ascent;

+	if (pci->metrics.descent < 0)

+	    cm->height -= pci->metrics.descent;

+    }

+    return TRUE;

+}