lyx_mirror/src/frontends/xforms/XPainter.h

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// -*- C++ -*-
/**
* \file XPainter.h
* Copyright 1995-2002 the LyX Team
* Read the file COPYING
*
* \author unknown
* \author John Levon <moz@compsoc.man.ac.uk>
*/
#ifndef XPAINTER_H
#define XPAINTER_H
#ifdef __GNUG__
#pragma interface
#endif
#include <config.h>
#include "frontends/Painter.h"
#include "LString.h"
#include <X11/Xlib.h>
class LyXFont;
class XWorkArea;
/**
* XPainter - a painter implementation for Xlib
*/
class XPainter : public Painter {
public:
XPainter(XWorkArea &);
/// return the width of the work area in pixels
virtual int paperWidth() const;
/// return the height of the work area in pixels
virtual int paperHeight() const;
/// draw a line from point to point
virtual Painter & line(
int x1, int y1,
int x2, int y2,
LColor::color = LColor::foreground,
line_style = line_solid,
line_width = line_thin);
/**
* lines - draw a set of lines
* @param xp array of points' x co-ords
* @param yp array of points' y co-ords
* @param np size of the points array
*/
virtual Painter & lines(
int const * xp,
int const * yp,
int np,
LColor::color = LColor::foreground,
line_style = line_solid,
line_width = line_thin);
/// draw a rectangle
virtual Painter & rectangle(
int x, int y,
int w, int h,
LColor::color = LColor::foreground,
line_style = line_solid,
line_width = line_thin);
/// draw a filled rectangle
virtual Painter & fillRectangle(
int x, int y,
int w, int h,
LColor::color);
/// draw a filled (irregular) polygon
virtual Painter & fillPolygon(
int const * xp,
int const * yp,
int np,
LColor::color = LColor::foreground);
/// draw an arc
virtual Painter & arc(
int x, int y,
unsigned int w, unsigned int h,
int a1, int a2,
LColor::color = LColor::foreground);
/// draw a pixel
virtual Painter & point(
int x, int y,
LColor::color = LColor::foreground);
/// draw an image from the image cache
virtual Painter & image(int x, int y,
int w, int h,
grfx::GImage const & image);
/// draw a string at position x, y (y is the baseline)
virtual Painter & text(int x, int y,
string const & str, LyXFont const & f);
/** Draw a string at position x, y (y is the baseline)
* This is just for fast drawing
*/
virtual Painter & text(int x, int y,
char const * str, size_t l,
LyXFont const & f);
/// draw a char at position x, y (y is the baseline)
virtual Painter & text(int x, int y,
char c, LyXFont const & f);
/// draw a wide string at position x, y
Painter & text(int x, int y,
XChar2b const * str, size_t l,
LyXFont const & f);
private:
/// our owner who we paint upon
XWorkArea & owner_;
};
#endif // XPAINTER_H