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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. */
/* */
/**************************************************************************/
/*
* $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.
*/
#include "Render.h"
#include "../../render/miglyph.c"
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) xalloc(sizeof(BoxRec));
miGlyphExtents (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);
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);
}
}
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