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/**************************************************************************/
/* */
/* Copyright (c) 2001, 2011 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 Medialogic S.p.A. */
/* */
/* All rights reserved. */
/* */
/**************************************************************************/
/*
* $Id: damage.c,v 1.19 2005/10/06 21:55:41 anholt Exp $
*
* Copyright © 2003 Keith Packard
*
* 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.
*/
#include "regionstr.h"
#include "../../miext/damage/damage.h"
#include <X11/fonts/font.h>
/* prototypes */
static int
damageText (DrawablePtr pDrawable,
GCPtr pGC,
int x,
int y,
unsigned long count,
char *chars,
FontEncoding fontEncoding,
Bool textType);
static int
damagePolyText8(DrawablePtr pDrawable,
GCPtr pGC,
int x,
int y,
int count,
char *chars);
static int
damagePolyText16(DrawablePtr pDrawable,
GCPtr pGC,
int x,
int y,
int count,
unsigned short *chars);
static void
damageImageText8(DrawablePtr pDrawable,
GCPtr pGC,
int x,
int y,
int count,
char *chars);
static void
damageImageText16(DrawablePtr pDrawable,
GCPtr pGC,
int x,
int y,
int count,
unsigned short *chars);
#include "../../miext/damage/damage.c"
static int
damageText (DrawablePtr pDrawable,
GCPtr pGC,
int x,
int y,
unsigned long count,
char *chars,
FontEncoding fontEncoding,
Bool textType)
{
CharInfoPtr *charinfo;
CharInfoPtr *info;
unsigned long i;
unsigned int n;
int w;
Bool imageblt;
imageblt = (textType == TT_IMAGE8) || (textType == TT_IMAGE16);
charinfo = (CharInfoPtr *) ALLOCATE_LOCAL(count * sizeof(CharInfoPtr));
if (!charinfo)
return x;
GetGlyphs(pGC->font, count, (unsigned char *)chars,
fontEncoding, &i, charinfo);
n = (unsigned int)i;
w = 0;
if (!imageblt)
for (info = charinfo; i--; info++)
w += (*info)->metrics.characterWidth;
if (n != 0) {
damageDamageChars (pDrawable, pGC->font, x + pDrawable->x, y + pDrawable->y, n,
charinfo, imageblt, pGC->subWindowMode);
#ifndef NXAGENT_SERVER
if (imageblt)
(*pGC->ops->ImageGlyphBlt)(pDrawable, pGC, x, y, n, charinfo,
FONTGLYPHS(pGC->font));
else
(*pGC->ops->PolyGlyphBlt)(pDrawable, pGC, x, y, n, charinfo,
FONTGLYPHS(pGC->font));
#endif
}
DEALLOCATE_LOCAL(charinfo);
return x + w;
}
static int
damagePolyText8(DrawablePtr pDrawable,
GCPtr pGC,
int x,
int y,
int count,
char *chars)
{
DAMAGE_GC_OP_PROLOGUE(pGC, pDrawable);
if (checkGCDamage (pDrawable, pGC))
damageText (pDrawable, pGC, x, y, (unsigned long) count, chars,
Linear8Bit, TT_POLY8);
x = (*pGC->ops->PolyText8)(pDrawable, pGC, x, y, count, chars);
DAMAGE_GC_OP_EPILOGUE(pGC, pDrawable);
return x;
}
static int
damagePolyText16(DrawablePtr pDrawable,
GCPtr pGC,
int x,
int y,
int count,
unsigned short *chars)
{
DAMAGE_GC_OP_PROLOGUE(pGC, pDrawable);
if (checkGCDamage (pDrawable, pGC))
damageText (pDrawable, pGC, x, y, (unsigned long) count, (char *) chars,
FONTLASTROW(pGC->font) == 0 ? Linear16Bit : TwoD16Bit,
TT_POLY16);
x = (*pGC->ops->PolyText16)(pDrawable, pGC, x, y, count, chars);
DAMAGE_GC_OP_EPILOGUE(pGC, pDrawable);
return x;
}
static void
damageImageText8(DrawablePtr pDrawable,
GCPtr pGC,
int x,
int y,
int count,
char *chars)
{
DAMAGE_GC_OP_PROLOGUE(pGC, pDrawable);
if (checkGCDamage (pDrawable, pGC))
damageText (pDrawable, pGC, x, y, (unsigned long) count, chars,
Linear8Bit, TT_IMAGE8);
(*pGC->ops->ImageText8)(pDrawable, pGC, x, y, count, chars);
DAMAGE_GC_OP_EPILOGUE(pGC, pDrawable);
}
static void
damageImageText16(DrawablePtr pDrawable,
GCPtr pGC,
int x,
int y,
int count,
unsigned short *chars)
{
DAMAGE_GC_OP_PROLOGUE(pGC, pDrawable);
if (checkGCDamage (pDrawable, pGC))
damageText (pDrawable, pGC, x, y, (unsigned long) count, (char *) chars,
FONTLASTROW(pGC->font) == 0 ? Linear16Bit : TwoD16Bit,
TT_IMAGE16);
(*pGC->ops->ImageText16)(pDrawable, pGC, x, y, count, chars);
DAMAGE_GC_OP_EPILOGUE(pGC, pDrawable);
}
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