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// -*- mode: C++; indent-tabs-mode: nil; c-basic-offset: 2; -*-
#include "config.h"
#include "surface.hh"
#include "display.hh"
#include "screeninfo.hh"
#include "rendercolor.hh"
extern "C" {
#include <X11/Xutil.h>
}
namespace otk {
Surface::Surface(int screen, const Size &size)
: _screen(screen),
_size(size),
_pixmap(None),
_xftdraw(0)
{
}
Surface::~Surface()
{
destroyObjects();
}
void Surface::setPixmap(const RenderColor &color)
{
if (_pixmap == None)
createObjects();
XFillRectangle(**display, _pixmap, color.gc(), 0, 0,
_size.width(), _size.height());
}
void Surface::setPixmap(XImage *image)
{
assert(image->width == _size.width());
assert(image->height == _size.height());
if (_pixmap == None)
createObjects();
XPutImage(**display, _pixmap, DefaultGC(**display, _screen),
image, 0, 0, 0, 0, _size.width(), _size.height());
}
void Surface::createObjects()
{
assert(_pixmap == None); assert(!_xftdraw);
const ScreenInfo *info = display->screenInfo(_screen);
_pixmap = XCreatePixmap(**display, info->rootWindow(),
_size.width(), _size.height(), info->depth());
assert(_pixmap != None);
_xftdraw = XftDrawCreate(**display, _pixmap,
info->visual(), info->colormap());
assert(_xftdraw);
}
void Surface::destroyObjects()
{
if (_xftdraw) {
XftDrawDestroy(_xftdraw);
_xftdraw = 0;
}
if (_pixmap != None) {
XFreePixmap(**display, _pixmap);
_pixmap = None;
}
}
}
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