canvas_x11.h
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/**
* \file canvas_x11.h
*
* \brief Ein X11-Canvas
*
* Die X11-Implementaton eines Canvas, hier ist ein XImage der Speicherbereich
* in den geschrieben wird.
*
* \author Georg Steffers <georg@steffers.org> [gs]
*
* \date 04.12.2003
*
* \version ..2002 [gs]: erste funktionierende Implementation
* \version 04.12.2003 [gs]: beginn der Dokumentation via doxygen
* \version 19.12.2003 [gs]: draw_text hinzugefügt, es schreibt über
* XDrawImageString einen Text in meine
* Window. (Brauche ich für DEBUG-Ausgaben)
*/
/*
* Copyright (C)2003 Georg Steffers
*
* 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
*/
#ifndef __canvas_x11_h__
#define __canvas_x11_h__
#include "xclass.h"
#include "../canvas.h"
#include "../event_source.h"
class disp_x11;
class canvas_x11 : public canvas {
friend class disp_x11;
protected:
xdisplay* disp;
xscreen* scr;
xwindow* win;
XImage* ximg;
virtual void create_buffer(void);
public:
virtual void draw_text(int x, int y, char* text, int length) {
XDrawImageString(disp->getdisplay(),
win->getwindow(),
scr->getgc(),
x, y, text, length);
}
canvas_x11(unsigned, unsigned);
virtual ~canvas_x11();
virtual rasterizer* create_rasterizer(void) {
return new sw_rasterizer(x_size, y_size, sinfo);
}
Display* get_display(void) { return disp->getdisplay(); }
Window get_window(void) { return win->getwindow(); }
virtual void open_screen(void) {}
virtual void blit_screen(void);
};
class canvas_x11_factory : public canvas_factory {
public:
canvas* create(unsigned xs, unsigned ys) const {
return new canvas_x11(xs, ys);
}
};
#endif // __canvas_x11_h__