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-rw-r--r--nx-X11/programs/Xserver/hw/nxagent/X/NXmiglyph.c318
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diff --git a/nx-X11/programs/Xserver/hw/nxagent/X/NXmiglyph.c b/nx-X11/programs/Xserver/hw/nxagent/X/NXmiglyph.c
new file mode 100644
index 000000000..6ad60223f
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+++ b/nx-X11/programs/Xserver/hw/nxagent/X/NXmiglyph.c
@@ -0,0 +1,318 @@
+/**************************************************************************/
+/* */
+/* Copyright (c) 2001, 2007 NoMachine, http://www.nomachine.com/. */
+/* */
+/* NXAGENT, NX protocol compression and NX extensions to this software */
+/* are copyright of NoMachine. Redistribution and use of the present */
+/* software is allowed according to terms specified in the file LICENSE */
+/* which comes in the source distribution. */
+/* */
+/* Check http://www.nomachine.com/licensing.html for applicability. */
+/* */
+/* NX and NoMachine are trademarks of NoMachine S.r.l. */
+/* */
+/* All rights reserved. */
+/* */
+/**************************************************************************/
+
+/*
+ * $XFree86: xc/programs/Xserver/render/miglyph.c,v 1.4 2000/11/20 07:13:13 keithp Exp $
+ *
+ * Copyright © 2000 SuSE, Inc.
+ *
+ * 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 SuSE not be used in advertising or
+ * publicity pertaining to distribution of the software without specific,
+ * written prior permission. SuSE makes no representations about the
+ * suitability of this software for any purpose. It is provided "as is"
+ * without express or implied warranty.
+ *
+ * SuSE DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING ALL
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL SuSE
+ * 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.
+ *
+ * Author: Keith Packard, SuSE, Inc.
+ */
+
+#ifdef HAVE_DIX_CONFIG_H
+#include <dix-config.h>
+#endif
+
+#include "scrnintstr.h"
+#include "gcstruct.h"
+#include "pixmapstr.h"
+#include "windowstr.h"
+#include "mi.h"
+#include "picturestr.h"
+#include "mipict.h"
+
+#ifdef NXAGENT_SERVER
+
+#include "Render.h"
+
+#endif
+
+void
+miGlyphExtents (int nlist,
+ GlyphListPtr list,
+ GlyphPtr *glyphs,
+ BoxPtr extents)
+{
+ int x1, x2, y1, y2;
+ int n;
+ GlyphPtr glyph;
+ int x, y;
+
+ x = 0;
+ y = 0;
+ extents->x1 = MAXSHORT;
+ extents->x2 = MINSHORT;
+ extents->y1 = MAXSHORT;
+ extents->y2 = MINSHORT;
+ while (nlist--)
+ {
+ x += list->xOff;
+ y += list->yOff;
+ n = list->len;
+ list++;
+ while (n--)
+ {
+ glyph = *glyphs++;
+ x1 = x - glyph->info.x;
+ if (x1 < MINSHORT)
+ x1 = MINSHORT;
+ y1 = y - glyph->info.y;
+ if (y1 < MINSHORT)
+ y1 = MINSHORT;
+ x2 = x1 + glyph->info.width;
+ if (x2 > MAXSHORT)
+ x2 = MAXSHORT;
+ y2 = y1 + glyph->info.height;
+ if (y2 > MAXSHORT)
+ y2 = MAXSHORT;
+ if (x1 < extents->x1)
+ extents->x1 = x1;
+ if (x2 > extents->x2)
+ extents->x2 = x2;
+ if (y1 < extents->y1)
+ extents->y1 = y1;
+ if (y2 > extents->y2)
+ extents->y2 = y2;
+ x += glyph->info.xOff;
+ y += glyph->info.yOff;
+ }
+ }
+}
+
+#define NeedsComponent(f) (PICT_FORMAT_A(f) != 0 && PICT_FORMAT_RGB(f) != 0)
+
+void
+miGlyphs (CARD8 op,
+ PicturePtr pSrc,
+ PicturePtr pDst,
+ PictFormatPtr maskFormat,
+ INT16 xSrc,
+ INT16 ySrc,
+ int nlist,
+ GlyphListPtr list,
+ GlyphPtr *glyphs)
+{
+ PixmapPtr pPixmap = 0;
+ PicturePtr pPicture;
+ PixmapPtr pMaskPixmap = 0;
+ PicturePtr pMask;
+ ScreenPtr pScreen = pDst->pDrawable->pScreen;
+ int width = 0, height = 0;
+ int x, y;
+ int xDst = list->xOff, yDst = list->yOff;
+ int n;
+ GlyphPtr glyph;
+ int error;
+ BoxRec extents;
+ CARD32 component_alpha;
+
+ #ifdef NXAGENT_SERVER
+
+ /*
+ * Get rid of the warning.
+ */
+
+ extents.x1 = 0;
+ extents.y1 = 0;
+
+ #endif
+
+ if (maskFormat)
+ {
+ GCPtr pGC;
+ xRectangle rect;
+
+ #ifdef NXAGENT_SERVER
+
+ if (nxagentGlyphsExtents != NullBox)
+ {
+ memcpy(&extents, nxagentGlyphsExtents, sizeof(BoxRec));
+ }
+ else
+ {
+ nxagentGlyphsExtents = (BoxPtr) xalloc(sizeof(BoxRec));
+
+ miGlyphExtents (nlist, list, glyphs, &extents);
+
+ memcpy(nxagentGlyphsExtents, &extents, sizeof(BoxRec));
+ }
+
+ #else
+
+ miGlyphExtents (nlist, list, glyphs, &extents);
+
+ #endif
+
+ if (extents.x2 <= extents.x1 || extents.y2 <= extents.y1)
+ return;
+ width = extents.x2 - extents.x1;
+ height = extents.y2 - extents.y1;
+ pMaskPixmap = (*pScreen->CreatePixmap) (pScreen, width, height, maskFormat->depth);
+
+ if (!pMaskPixmap)
+ return;
+
+ component_alpha = NeedsComponent(maskFormat->format);
+ pMask = CreatePicture (0, &pMaskPixmap->drawable,
+ maskFormat, CPComponentAlpha, &component_alpha,
+ serverClient, &error);
+
+ if (!pMask)
+ {
+ (*pScreen->DestroyPixmap) (pMaskPixmap);
+ return;
+ }
+ pGC = GetScratchGC (pMaskPixmap->drawable.depth, pScreen);
+ ValidateGC (&pMaskPixmap->drawable, pGC);
+ rect.x = 0;
+ rect.y = 0;
+ rect.width = width;
+ rect.height = height;
+ (*pGC->ops->PolyFillRect) (&pMaskPixmap->drawable, pGC, 1, &rect);
+ FreeScratchGC (pGC);
+ x = -extents.x1;
+ y = -extents.y1;
+ }
+ else
+ {
+ pMask = pDst;
+ x = 0;
+ y = 0;
+ }
+ pPicture = 0;
+ while (nlist--)
+ {
+ x += list->xOff;
+ y += list->yOff;
+ n = list->len;
+
+ while (n--)
+ {
+ glyph = *glyphs++;
+ if (!pPicture)
+ {
+ pPixmap = GetScratchPixmapHeader (pScreen, glyph->info.width, glyph->info.height,
+ list->format->depth,
+ list->format->depth,
+ 0, (pointer) (glyph + 1));
+ if (!pPixmap)
+ return;
+ component_alpha = NeedsComponent(list->format->format);
+ pPicture = CreatePicture (0, &pPixmap->drawable, list->format,
+ CPComponentAlpha, &component_alpha,
+ serverClient, &error);
+ if (!pPicture)
+ {
+ FreeScratchPixmapHeader (pPixmap);
+ return;
+ }
+ }
+ (*pScreen->ModifyPixmapHeader) (pPixmap,
+ glyph->info.width, glyph->info.height,
+ 0, 0, -1, (pointer) (glyph + 1));
+
+ #ifdef NXAGENT_SERVER
+
+ /*
+ * The following line fixes a problem with glyphs that appeared
+ * as clipped. It was a side effect due the validate function
+ * "ValidatePicture" that makes a check on the Drawable serial
+ * number instead of the picture serial number, failing thus
+ * the clip mask update.
+ */
+
+ pPicture->pDrawable->serialNumber = NEXT_SERIAL_NUMBER;
+
+ #endif
+
+ pPixmap->drawable.serialNumber = NEXT_SERIAL_NUMBER;
+ if (maskFormat)
+ {
+ CompositePicture (PictOpAdd,
+ pPicture,
+ None,
+ pMask,
+ 0, 0,
+ 0, 0,
+ x - glyph->info.x,
+ y - glyph->info.y,
+ glyph->info.width,
+ glyph->info.height);
+ }
+ else
+ {
+ CompositePicture (op,
+ pSrc,
+ pPicture,
+ pDst,
+ xSrc + (x - glyph->info.x) - xDst,
+ ySrc + (y - glyph->info.y) - yDst,
+ 0, 0,
+ x - glyph->info.x,
+ y - glyph->info.y,
+ glyph->info.width,
+ glyph->info.height);
+ }
+ x += glyph->info.xOff;
+ y += glyph->info.yOff;
+ }
+
+ list++;
+ if (pPicture)
+ {
+ FreeScratchPixmapHeader (pPixmap);
+ FreePicture ((pointer) pPicture, 0);
+ pPicture = 0;
+ pPixmap = 0;
+ }
+ }
+ if (maskFormat)
+ {
+ x = extents.x1;
+ y = extents.y1;
+ CompositePicture (op,
+ pSrc,
+ pMask,
+ pDst,
+ xSrc + x - xDst,
+ ySrc + y - yDst,
+ 0, 0,
+ x, y,
+ width, height);
+
+ FreePicture ((pointer) pMask, (XID) 0);
+ (*pScreen->DestroyPixmap) (pMaskPixmap);
+ }
+
+}
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