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Diffstat (limited to 'nx-X11/programs/Xserver/hw/nxagent/NXglyph.c')
-rw-r--r--nx-X11/programs/Xserver/hw/nxagent/NXglyph.c381
1 files changed, 381 insertions, 0 deletions
diff --git a/nx-X11/programs/Xserver/hw/nxagent/NXglyph.c b/nx-X11/programs/Xserver/hw/nxagent/NXglyph.c
new file mode 100644
index 000000000..35dcbc132
--- /dev/null
+++ b/nx-X11/programs/Xserver/hw/nxagent/NXglyph.c
@@ -0,0 +1,381 @@
+/**************************************************************************/
+/* */
+/* Copyright (c) 2001, 2011 NoMachine (http://www.nomachine.com) */
+/* Copyright (c) 2008-2014 Oleksandr Shneyder <o.shneyder@phoca-gmbh.de> */
+/* Copyright (c) 2011-2016 Mike Gabriel <mike.gabriel@das-netzwerkteam.de>*/
+/* Copyright (c) 2014-2016 Mihai Moldovan <ionic@ionic.de> */
+/* Copyright (c) 2014-2016 Ulrich Sibiller <uli42@gmx.de> */
+/* Copyright (c) 2015-2016 Qindel Group (http://www.qindel.com) */
+/* */
+/* NXAGENT, NX protocol compression and NX extensions to this software */
+/* are copyright of the aforementioned persons and companies. */
+/* */
+/* Redistribution and use of the present software is allowed according */
+/* to terms specified in the file LICENSE which comes in the source */
+/* distribution. */
+/* */
+/* All rights reserved. */
+/* */
+/* NOTE: This software has received contributions from various other */
+/* contributors, only the core maintainers and supporters are listed as */
+/* copyright holders. Please contact us, if you feel you should be listed */
+/* as copyright holder, as well. */
+/* */
+/**************************************************************************/
+
+/*
+ * 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.
+ */
+
+#include "../../render/glyph.c"
+
+#ifdef NXAGENT_SERVER
+
+#include "Render.h"
+
+#define PANIC
+#define WARNING
+#undef DEBUG
+#undef TEST
+
+#endif
+
+void
+AddGlyph (GlyphSetPtr glyphSet, GlyphPtr glyph, Glyph id)
+{
+ GlyphRefPtr gr;
+ CARD32 hash;
+
+ CheckDuplicates (&globalGlyphs[glyphSet->fdepth], "AddGlyph top global");
+ /* Locate existing matching glyph */
+ hash = HashGlyph (glyph);
+ gr = FindGlyphRef (&globalGlyphs[glyphSet->fdepth], hash, TRUE, glyph);
+ if (gr->glyph && gr->glyph != DeletedGlyph)
+ {
+ free (glyph);
+ glyph = gr->glyph;
+ }
+ else
+ {
+ gr->glyph = glyph;
+ gr->signature = hash;
+ globalGlyphs[glyphSet->fdepth].tableEntries++;
+ }
+
+ /* Insert/replace glyphset value */
+ gr = FindGlyphRef (&glyphSet->hash, id, FALSE, 0);
+ ++glyph->refcnt;
+ if (gr->glyph && gr->glyph != DeletedGlyph)
+ FreeGlyph (gr->glyph, glyphSet->fdepth);
+ else
+ glyphSet->hash.tableEntries++;
+ gr->glyph = glyph;
+ gr->signature = id;
+
+ #ifdef NXAGENT_SERVER
+
+ gr -> corruptedGlyph = 1;
+
+ #endif
+
+ CheckDuplicates (&globalGlyphs[glyphSet->fdepth], "AddGlyph bottom");
+}
+
+GlyphPtr FindGlyph (GlyphSetPtr glyphSet, Glyph id)
+{
+ GlyphRefPtr gr;
+ GlyphPtr glyph;
+
+ gr = FindGlyphRef (&glyphSet->hash, id, FALSE, 0);
+ glyph = gr -> glyph;
+
+ if (glyph == DeletedGlyph)
+ {
+ glyph = 0;
+ }
+ else if (gr -> corruptedGlyph == 1)
+ {
+ #ifdef DEBUG
+ fprintf(stderr, "FindGlyphRef: Going to synchronize the glyph [%p] for glyphset [%p].\n",
+ (void *) glyph, (void *) glyphSet);
+ #endif
+
+ nxagentAddGlyphs(glyphSet, &id, &(glyph -> info), 1,
+ (CARD8*)(glyph + 1), glyph -> size - sizeof(xGlyphInfo));
+ }
+
+ return glyph;
+}
+
+Bool
+ResizeGlyphHash (GlyphHashPtr hash, CARD32 change, Bool global)
+{
+ CARD32 tableEntries;
+ GlyphHashSetPtr hashSet;
+ GlyphHashRec newHash;
+ GlyphRefPtr gr;
+ GlyphPtr glyph;
+ int i;
+ int oldSize;
+ CARD32 s;
+
+ #ifdef NXAGENT_SERVER
+
+ CARD32 c;
+
+ #endif
+
+ tableEntries = hash->tableEntries + change;
+ hashSet = FindGlyphHashSet (tableEntries);
+ if (hashSet == hash->hashSet)
+ return TRUE;
+ if (global)
+ CheckDuplicates (hash, "ResizeGlyphHash top");
+ if (!AllocateGlyphHash (&newHash, hashSet))
+ return FALSE;
+ if (hash->table)
+ {
+ oldSize = hash->hashSet->size;
+ for (i = 0; i < oldSize; i++)
+ {
+ glyph = hash->table[i].glyph;
+ if (glyph && glyph != DeletedGlyph)
+ {
+ s = hash->table[i].signature;
+
+ #ifdef NXAGENT_SERVER
+
+ c = hash->table[i].corruptedGlyph;
+
+ #endif
+
+ gr = FindGlyphRef (&newHash, s, global, glyph);
+ gr->signature = s;
+ gr->glyph = glyph;
+
+ #ifdef NXAGENT_SERVER
+
+ gr -> corruptedGlyph = c;
+
+ #endif
+
+ ++newHash.tableEntries;
+ }
+ }
+ free (hash->table);
+ }
+ *hash = newHash;
+ if (global)
+ CheckDuplicates (hash, "ResizeGlyphHash bottom");
+ return TRUE;
+}
+
+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;
+
+ /*
+ * Get rid of the warning.
+ */
+
+ extents.x1 = 0;
+ extents.y1 = 0;
+
+ if (maskFormat)
+ {
+ GCPtr pGC;
+ xRectangle rect;
+
+ if (nxagentGlyphsExtents != NullBox)
+ {
+ memcpy(&extents, nxagentGlyphsExtents, sizeof(BoxRec));
+ }
+ else
+ {
+ nxagentGlyphsExtents = (BoxPtr) malloc(sizeof(BoxRec));
+
+ GlyphExtents (nlist, list, glyphs, &extents);
+
+ memcpy(nxagentGlyphsExtents, &extents, sizeof(BoxRec));
+ }
+
+ 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,
+ CREATE_PIXMAP_USAGE_SCRATCH);
+
+ 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, (void *) (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, (void *) (glyph + 1));
+
+ /*
+ * 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;
+
+ 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 ((void *) 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 ((void *) pMask, (XID) 0);
+ (*pScreen->DestroyPixmap) (pMaskPixmap);
+ }
+
+}