dockapps/AlsaMixer.app/Xpm.cc

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//
// Mixer.app
//
// Copyright (c) 1998-2002 Per Liden
//
// 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., 51 Franklin Street, Fifth Floor, Boston, MA 02111-1307,
// USA.
//
#include <X11/Xlib.h>
#include <X11/xpm.h>
#include <X11/extensions/shape.h>
#include <iostream>
#include <cstdlib>
#include <cstring>
#include "Mixer.h"
#include "Xpm.h"
using namespace std;
Xpm::Xpm(Display* display, Window root, char** data)
{
int error;
mDisplay = display;
mAttributes.valuemask = 0;
error = XpmCreatePixmapFromData(mDisplay, root, data, &mImage, &mMask, &mAttributes);
switch (error) {
case XpmColorError:
cerr << APPNAME << ": xpm image loaded but did not get all colors needed" << endl;
break;
case XpmColorFailed:
cerr << APPNAME << ": could not load xpm image (not enough colors available)" << endl;
exit(0);
break;
case XpmNoMemory:
cerr << APPNAME << ": could not load xpm image (not enough memory available)" << endl;
exit(0);
break;
case XpmOpenFailed:
case XpmFileInvalid:
cerr << APPNAME << ": could not load xpm image (image broken or corrupt)" << endl;
exit(0);
break;
case XpmSuccess:
default:
// Image loaded ok
break;
}
}
Xpm::~Xpm()
{
if (mImage) {
XFreePixmap(mDisplay, mImage);
}
if (mMask) {
XFreePixmap(mDisplay, mMask);
}
}
void Xpm::setWindowPixmap(Window win)
{
XResizeWindow(mDisplay, win, mAttributes.width, mAttributes.height);
XSetWindowBackgroundPixmap(mDisplay, win, mImage);
}
void Xpm::setWindowPixmapShaped(Window win)
{
XResizeWindow(mDisplay, win, mAttributes.width, mAttributes.height);
XSetWindowBackgroundPixmap(mDisplay, win, mImage);
XShapeCombineMask(mDisplay, win, ShapeBounding, 0, 0, mMask, ShapeSet);
}
void Xpm::drawString(int x, int y, char* text)
{
Font font;
GC gc;
XGCValues gcv;
font = XLoadFont(mDisplay, LABEL_FONT);
gcv.font = font;
gcv.foreground = WhitePixel(mDisplay, DefaultScreen(mDisplay));
gc = XCreateGC(mDisplay, mImage, GCFont | GCForeground, &gcv);
XDrawString(mDisplay, mImage, gc, x, y, text, strlen(text));
XFreeGC(mDisplay, gc);
XUnloadFont(mDisplay, font);
}