You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
174 lines
4.4 KiB
174 lines
4.4 KiB
/***************************************************************************
|
|
xvidextwrap.cpp - description
|
|
-------------------
|
|
begin : Sat Jan 5 2002
|
|
copyright : (C) 2002 by Michael v.Ostheim
|
|
email : MvOstheim@web.de
|
|
***************************************************************************/
|
|
|
|
/***************************************************************************
|
|
* *
|
|
* 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. *
|
|
* *
|
|
***************************************************************************/
|
|
#include <tqnamespace.h>
|
|
#include <tqevent.h>
|
|
|
|
#include <X11/Xos.h>
|
|
#include <X11/Xlib.h>
|
|
#include <X11/Xutil.h>
|
|
#include <X11/extensions/xf86vmode.h>
|
|
|
|
#include <stdlib.h>
|
|
#include <iostream>
|
|
#include <fstream>
|
|
|
|
#include <vector>
|
|
#include <string>
|
|
|
|
#include <config.h>
|
|
|
|
#ifdef HAVE_SSTREAM
|
|
#include <sstream>
|
|
#else
|
|
#include <strstream.h>
|
|
#define istringstream istrstream
|
|
#endif
|
|
|
|
#include <kdebug.h>
|
|
|
|
#include "xf86configpath.h"
|
|
#include "xvidextwrap.h"
|
|
|
|
using namespace std;
|
|
|
|
|
|
XVidExtWrap::XVidExtWrap(bool* OK, const char* displayname) {
|
|
if ((dpy = XOpenDisplay(displayname))) {
|
|
screen = DefaultScreen(dpy);
|
|
setGammaLimits(0.1, 10.0);
|
|
*OK = true;
|
|
}
|
|
else {
|
|
kdDebug() << "KGamma: unable to open display " << displayname << endl;
|
|
*OK = false;
|
|
}
|
|
}
|
|
|
|
XVidExtWrap::~XVidExtWrap() {
|
|
if (dpy) XCloseDisplay(dpy);
|
|
}
|
|
|
|
int XVidExtWrap::_DefaultScreen() {
|
|
return DefaultScreen(dpy);
|
|
}
|
|
|
|
/** We have to parse XF86Config to get the number of screens, because */
|
|
/** ScreenCount() from X11/Xlib.h does not count correctly with xinerama */
|
|
int XVidExtWrap::_ScreenCount() {
|
|
int count = 0;
|
|
bool section = false;
|
|
XF86ConfigPath Path;
|
|
|
|
std::ifstream in( Path.get() );
|
|
|
|
if ( in.is_open() ) {
|
|
std::string s, buf;
|
|
std::vector<string> words;
|
|
|
|
while (getline(in, s,'\n')) {
|
|
words.clear();
|
|
istringstream ss(s.c_str());
|
|
while (ss >> buf) words.push_back(buf); // Split "s" into words
|
|
|
|
if ( !words.empty() ) {
|
|
if ( words[0] == "Section" && words.size() > 1 ) {
|
|
if ( words[1] == "\"ServerLayout\"" ) section = true;
|
|
}
|
|
else if ( words[0] == "EndSection" )
|
|
section = false;
|
|
if ( section && words[0] == "Screen" ) ++count;
|
|
}
|
|
} //end while
|
|
in.close();
|
|
|
|
}
|
|
|
|
if ( !count ) count = 1; //If failed,fill count with a valid value;
|
|
|
|
return( count );
|
|
}
|
|
|
|
const char* XVidExtWrap::DisplayName() {
|
|
return DisplayString(dpy);
|
|
}
|
|
|
|
void XVidExtWrap::setGamma(int channel, float gam, bool* OK) {
|
|
XF86VidModeGamma gamma;
|
|
|
|
if ( gam >= mingamma && gam <= maxgamma ) {
|
|
if (!XF86VidModeGetGamma(dpy, screen, &gamma)) {
|
|
kdDebug() << "KGamma: Unable to query gamma correction" << endl;
|
|
if ( OK ) *OK = false;
|
|
}
|
|
else {
|
|
switch (channel) {
|
|
case Value:
|
|
gamma.red = gam;
|
|
gamma.green = gam;
|
|
gamma.blue = gam; break;
|
|
case Red:
|
|
gamma.red = gam; break;
|
|
case Green:
|
|
gamma.green = gam; break;
|
|
case Blue:
|
|
gamma.blue = gam;
|
|
};
|
|
if (!XF86VidModeSetGamma(dpy, screen, &gamma)) {
|
|
kdDebug() << "KGamma: Unable to set gamma correction" << endl;
|
|
if ( OK ) *OK = false;
|
|
}
|
|
else {
|
|
XFlush(dpy);
|
|
if ( OK ) *OK = true;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
float XVidExtWrap::getGamma(int channel, bool* OK) {
|
|
XF86VidModeGamma gamma;
|
|
float gam = 0;
|
|
|
|
if (!XF86VidModeGetGamma(dpy, screen, &gamma)) {
|
|
kdDebug() << "KGamma: Unable to query gamma correction" << endl;
|
|
if ( OK ) *OK = false;
|
|
}
|
|
else {
|
|
switch (channel) {
|
|
case Value:
|
|
gam = gamma.red; break;
|
|
case Red:
|
|
gam = gamma.red; break;
|
|
case Green:
|
|
gam = gamma.green; break;
|
|
case Blue:
|
|
gam = gamma.blue;
|
|
};
|
|
if ( OK ) *OK = true;
|
|
}
|
|
return(gam);
|
|
}
|
|
|
|
void XVidExtWrap::setGammaLimits( float min, float max ) {
|
|
mingamma = (min < 0.1) ? 0.1 : min;
|
|
maxgamma = (max > 10.0) ? 10.0 : max;
|
|
}
|
|
|
|
#ifdef istringstream
|
|
#undef istringstream
|
|
#endif
|