From f4092abdf94af6a99aff944d6264bc1284e8bdd4 Mon Sep 17 00:00:00 2001
From: Reinhard Tartler <siretart@tauware.de>
Date: Mon, 10 Oct 2011 17:43:39 +0200
Subject: Imported nx-X11-3.1.0-1.tar.gz

Summary: Imported nx-X11-3.1.0-1.tar.gz
Keywords:

Imported nx-X11-3.1.0-1.tar.gz
into Git repository
---
 .../Xserver/miext/rootless/accel/rlGlyph.c         | 170 +++++++++++++++++++++
 1 file changed, 170 insertions(+)
 create mode 100644 nx-X11/programs/Xserver/miext/rootless/accel/rlGlyph.c

(limited to 'nx-X11/programs/Xserver/miext/rootless/accel/rlGlyph.c')

diff --git a/nx-X11/programs/Xserver/miext/rootless/accel/rlGlyph.c b/nx-X11/programs/Xserver/miext/rootless/accel/rlGlyph.c
new file mode 100644
index 000000000..3f1571963
--- /dev/null
+++ b/nx-X11/programs/Xserver/miext/rootless/accel/rlGlyph.c
@@ -0,0 +1,170 @@
+/*
+ * This code is largely copied from fbglyph.c.
+ *
+ * Copyright © 1998 Keith Packard
+ * Copyright (c) 2003 Torrey T. Lyons. All Rights Reserved.
+ *
+ * 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, and that the name of Keith Packard not be used in
+ * advertising or publicity pertaining to distribution of the software without
+ * specific, written prior permission.  Keith Packard makes no
+ * representations about the suitability of this software for any purpose.  It
+ * is provided "as is" without express or implied warranty.
+ *
+ * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
+ * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
+ * EVENT SHALL KEITH PACKARD 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.
+ */
+/* $XFree86: xc/programs/Xserver/fb/fbglyph.c,v 1.12 2001/09/07 15:16:00 keithp Exp $ */
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include "fb.h"
+#include <X11/fonts/fontstruct.h>
+#include "dixfontstr.h"
+#include "rlAccel.h"
+
+      
+void
+rlImageGlyphBlt (DrawablePtr	pDrawable,
+		 GCPtr		pGC,
+		 int		x, 
+		 int		y,
+		 unsigned int	nglyph,
+		 CharInfoPtr	*ppciInit,
+		 pointer	pglyphBase)
+{
+    FbGCPrivPtr	    pPriv = fbGetGCPrivate(pGC);
+    CharInfoPtr	    *ppci;
+    CharInfoPtr	    pci;
+    unsigned char   *pglyph;		/* pointer bits in glyph */
+    int		    gWidth, gHeight;	/* width and height of glyph */
+    FbStride	    gStride;		/* stride of glyph */
+    Bool	    opaque;
+    int		    n;
+    int		    gx, gy;
+#ifndef FBNOPIXADDR
+    void	    (*glyph) (FbBits *,
+			      FbStride,
+			      int,
+			      FbStip *,
+			      FbBits,
+			      int,
+			      int);
+    FbBits	    *dst = 0;
+    FbStride	    dstStride = 0;
+    int		    dstBpp = 0;
+    int		    dstXoff = 0, dstYoff = 0;
+    
+    glyph = 0;
+    if (pPriv->and == 0)
+    {
+	fbGetDrawable (pDrawable, dst, dstStride, dstBpp, dstXoff, dstYoff);
+	switch (dstBpp) {
+	case 8:	    glyph = fbGlyph8; break;
+	case 16:    glyph = fbGlyph16; break;
+#ifdef FB_24BIT
+	case 24:    glyph = fbGlyph24; break;
+#endif
+	case 32:    glyph = fbGlyph32; break;
+	}
+    }
+#endif
+    
+    x += pDrawable->x;
+    y += pDrawable->y;
+
+    if (TERMINALFONT (pGC->font)
+#ifndef FBNOPIXADDR
+	&& !glyph
+#endif
+	)
+    {
+	opaque = TRUE;
+    }
+    else
+    {
+	int		xBack, widthBack;
+	int		yBack, heightBack;
+	
+	ppci = ppciInit;
+	n = nglyph;
+	widthBack = 0;
+	while (n--)
+	    widthBack += (*ppci++)->metrics.characterWidth;
+	
+        xBack = x;
+	if (widthBack < 0)
+	{
+	    xBack += widthBack;
+	    widthBack = -widthBack;
+	}
+	yBack = y - FONTASCENT(pGC->font);
+	heightBack = FONTASCENT(pGC->font) + FONTDESCENT(pGC->font);
+	rlSolidBoxClipped (pDrawable,
+			   fbGetCompositeClip(pGC),
+			   xBack,
+			   yBack,
+			   xBack + widthBack,
+			   yBack + heightBack,
+			   fbAnd(GXcopy,pPriv->bg,pPriv->pm),
+			   fbXor(GXcopy,pPriv->bg,pPriv->pm));
+	opaque = FALSE;
+    }
+
+    ppci = ppciInit;
+    while (nglyph--)
+    {
+	pci = *ppci++;
+	pglyph = FONTGLYPHBITS(pglyphBase, pci);
+	gWidth = GLYPHWIDTHPIXELS(pci);
+	gHeight = GLYPHHEIGHTPIXELS(pci);
+	if (gWidth && gHeight)
+	{
+	    gx = x + pci->metrics.leftSideBearing;
+	    gy = y - pci->metrics.ascent; 
+#ifndef FBNOPIXADDR
+	    if (glyph && gWidth <= sizeof (FbStip) * 8 &&
+		fbGlyphIn (fbGetCompositeClip(pGC), gx, gy, gWidth, gHeight))
+	    {
+		(*glyph) (dst + (gy + dstYoff) * dstStride,
+			  dstStride,
+			  dstBpp,
+			  (FbStip *) pglyph,
+			  pPriv->fg,
+			  gx + dstXoff,
+			  gHeight);
+	    }
+	    else
+#endif
+	    {
+		gStride = GLYPHWIDTHBYTESPADDED(pci) / sizeof (FbStip);
+		fbPutXYImage (pDrawable,
+			      fbGetCompositeClip(pGC),
+			      pPriv->fg,
+			      pPriv->bg,
+			      pPriv->pm,
+			      GXcopy,
+			      opaque,
+    
+			      gx,
+			      gy,
+			      gWidth, gHeight,
+    
+			      (FbStip *) pglyph,
+			      gStride,
+			      0);
+	    }
+	}
+	x += pci->metrics.characterWidth;
+    }
+}
-- 
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