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/* -*-c-*- */
/* Copyright (C) 2002 Olivier Chapuis */
/* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/* ---------------------------- included header files ---------------------- */
#include "config.h"
#include <stdio.h>
#include <X11/Xlib.h>
#include "fvwmlib.h"
#include "PictureBase.h"
#include "FRenderInit.h"
/* ---------------------------- local definitions -------------------------- */
/* ---------------------------- local macros ------------------------------- */
/* ---------------------------- imports ------------------------------------ */
/* ---------------------------- included code files ------------------------ */
/* ---------------------------- local types -------------------------------- */
/* ---------------------------- forward declarations ----------------------- */
/* ---------------------------- local variables ---------------------------- */
Bool FRenderExtensionSupported = False;
int FRenderErrorBase = -10000;
int FRenderMajorOpCode = -10000;
int FRenderAlphaDepth = 0;
/* ---------------------------- exported variables (globals) --------------- */
/* ---------------------------- local functions ---------------------------- */
void FRenderInit(Display *dpy)
{
int event_basep;
FRenderAlphaDepth = 8;
if (!XRenderSupport || !(FRenderExtensionSupported = XQueryExtension(
dpy, "RENDER", &FRenderMajorOpCode, &event_basep,
&FRenderErrorBase)))
{
int *pmf = NULL;
int i,n;
int alpha_depth = 0;
FRenderErrorBase = -10000;
FRenderMajorOpCode = -10000;
FRenderExtensionSupported = 0;
pmf = XListDepths(dpy, DefaultScreen(dpy), &n);
if (pmf)
{
i = 0;
while(i < n)
{
if (pmf[i] == 8)
{
alpha_depth = 8;
i = n-1;
}
else if (pmf[i] >= 8 &&
(pmf[i] < alpha_depth ||
alpha_depth == 0))
{
alpha_depth = pmf[i];
}
i++;
}
XFree(pmf);
}
FRenderAlphaDepth = alpha_depth;
}
}
int FRenderGetErrorCodeBase(void)
{
return FRenderErrorBase;
}
int FRenderGetMajorOpCode(void)
{
return FRenderMajorOpCode;
}
Bool FRenderGetExtensionSupported(void)
{
return FRenderExtensionSupported;
}
int FRenderGetAlphaDepth(void)
{
return FRenderAlphaDepth;
}
Bool FRenderGetErrorText(int code, char *msg)
{
if (XRenderSupport)
{
static char *error_names[] = {
"BadPictFormat",
"BadPicture",
"BadPictOp",
"BadGlyphSet",
"BadGlyph"
};
if (code >= FRenderErrorBase &&
code <= FRenderErrorBase +
(sizeof(error_names) / sizeof(char *)) -1)
{
sprintf(msg, error_names[code - FRenderErrorBase]);
return 1;
}
}
return 0;
}
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