72 lines
1.2 KiB
C++
72 lines
1.2 KiB
C++
// -*- mode: C++; indent-tabs-mode: nil; c-basic-offset: 2; -*-
|
|
|
|
#ifdef HAVE_CONFIG_H
|
|
# include "../config.h"
|
|
#endif // HAVE_CONFIG_H
|
|
|
|
#include "surface.hh"
|
|
#include "display.hh"
|
|
#include "screeninfo.hh"
|
|
|
|
extern "C" {
|
|
#include <X11/Xutil.h>
|
|
}
|
|
|
|
namespace otk {
|
|
|
|
Surface::Surface(int screen)
|
|
: _screen(screen),
|
|
_size(1, 1),
|
|
_pm(None),
|
|
_xftdraw(0)
|
|
{
|
|
createObjects();
|
|
}
|
|
|
|
Surface::Surface(int screen, const Point &size)
|
|
: _screen(screen),
|
|
_size(size),
|
|
_pm(None),
|
|
_xftdraw(0)
|
|
{
|
|
createObjects();
|
|
}
|
|
|
|
Surface::~Surface()
|
|
{
|
|
destroyObjects();
|
|
}
|
|
|
|
void Surface::createObjects()
|
|
{
|
|
assert(_pm == None); assert(!_xftdraw);
|
|
|
|
const ScreenInfo *info = display->screenInfo(_screen);
|
|
|
|
_pm = XCreatePixmap(**display, info->rootWindow(), _size.x(), _size.y(),
|
|
info->depth());
|
|
|
|
_xftdraw = XftDrawCreate(**display, _pm, info->visual(), info->colormap());
|
|
}
|
|
|
|
void Surface::destroyObjects()
|
|
{
|
|
assert(_pm != None); assert(_xftdraw);
|
|
|
|
XftDrawDestroy(_xftdraw);
|
|
_xftdraw = 0;
|
|
|
|
XFreePixmap(**display, _pm);
|
|
_pm = None;
|
|
}
|
|
|
|
void Surface::setSize(int w, int h)
|
|
{
|
|
if (w == _size.x() && h == _size.y()) return; // no change
|
|
|
|
_size.setPoint(w, h);
|
|
destroyObjects();
|
|
createObjects();
|
|
}
|
|
|
|
}
|