wxWidgets/include/wx/gtk1/dc.h
Robert Roebling 86b29a6122 Added PushEventHandler, Pop...
Corrected spelling of SetEventhandler
  Fixed two bugs in wxGenericPrintDlg
  Tried in vain to make printing of icons work.
    It now prints black on black, mostly.


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@514 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
1998-08-12 21:24:51 +00:00

312 lines
11 KiB
C++

/////////////////////////////////////////////////////////////////////////////
// Name: dc.h
// Purpose:
// Author: Robert Roebling
// Created: 01/02/97
// Id:
// Copyright: (c) 1998 Robert Roebling, Julian Smart and Markus Holzem
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifndef __GTKDCH__
#define __GTKDCH__
#ifdef __GNUG__
#pragma interface
#endif
#include "wx/defs.h"
#include "wx/object.h"
#include "wx/gdicmn.h"
#include "wx/pen.h"
#include "wx/brush.h"
#include "wx/icon.h"
#include "wx/font.h"
#include "wx/gdicmn.h"
//-----------------------------------------------------------------------------
// classes
//-----------------------------------------------------------------------------
class wxDC;
//-----------------------------------------------------------------------------
// constants
//-----------------------------------------------------------------------------
#define MM_TEXT 0
#define MM_ISOTROPIC 1
#define MM_ANISOTROPIC 2
#define MM_LOMETRIC 3
#define MM_HIMETRIC 4
#define MM_TWIPS 5
#define MM_POINTS 6
#define MM_METRIC 7
//-----------------------------------------------------------------------------
// global variables
//-----------------------------------------------------------------------------
extern int wxPageNumber;
//-----------------------------------------------------------------------------
// wxDC
//-----------------------------------------------------------------------------
class wxDC: public wxObject
{
DECLARE_ABSTRACT_CLASS(wxDC)
public:
wxDC(void);
~wxDC(void);
void BeginDrawing(void) {};
void EndDrawing(void) {};
virtual bool Ok(void) const { return m_ok; };
virtual void FloodFill( long x1, long y1, wxColour *col, int style=wxFLOOD_SURFACE ) = 0;
virtual bool GetPixel( long x1, long y1, wxColour *col ) const = 0;
virtual void DrawLine( long x1, long y1, long x2, long y2 ) = 0;
virtual void CrossHair( long x, long y ) = 0;
virtual void DrawArc( long x1, long y1, long x2, long y2, double xc, double yc );
virtual void DrawEllipticArc( long x, long y, long width, long height, double sa, double ea ) = 0;
virtual void DrawPoint( long x, long y ) = 0;
virtual void DrawPoint( wxPoint& point );
virtual void DrawLines( int n, wxPoint points[], long xoffset = 0, long yoffset = 0 ) = 0;
virtual void DrawLines( wxList *points, long xoffset = 0, long yoffset = 0 );
virtual void DrawPolygon( int n, wxPoint points[], long xoffset = 0, long yoffset = 0,
int fillStyle=wxODDEVEN_RULE ) = 0;
virtual void DrawPolygon( wxList *lines, long xoffset = 0, long yoffset = 0,
int fillStyle=wxODDEVEN_RULE );
virtual void DrawRectangle( long x, long y, long width, long height ) = 0;
virtual void DrawRoundedRectangle( long x, long y, long width, long height, double radius = 20.0 ) = 0;
virtual void DrawEllipse( long x, long y, long width, long height ) = 0;
virtual void DrawSpline( long x1, long y1, long x2, long y2, long x3, long y3 );
virtual void DrawSpline( wxList *points );
virtual void DrawSpline( int n, wxPoint points[] );
virtual bool CanDrawBitmap(void) const = 0;
virtual void DrawIcon( const wxIcon &icon, long x, long y )
{ DrawIcon( icon, x, y, TRUE ); }
virtual void DrawIcon( const wxIcon &icon, long x, long y, bool useMask );
void DrawBitmap( const wxBitmap &bmp, long x, long y, bool useMask=FALSE )
{ DrawIcon( *((wxIcon*)(&bmp)), x, y, useMask ); }
virtual bool Blit( long xdest, long ydest, long width, long height,
wxDC *source, long xsrc, long ysrc, int logical_func = wxCOPY, bool useMask=FALSE ) = 0;
virtual void DrawText( const wxString &text, long x, long y, bool use16 = FALSE ) = 0;
virtual bool CanGetTextExtent(void) const = 0;
virtual void GetTextExtent( const wxString &string, long *width, long *height,
long *descent = NULL, long *externalLeading = NULL,
wxFont *theFont = NULL, bool use16 = FALSE ) = 0;
virtual long GetCharWidth(void) = 0;
virtual long GetCharHeight(void) = 0;
virtual void Clear(void) = 0;
virtual void SetFont( const wxFont &font ) = 0;
virtual wxFont *GetFont(void) { return &m_font; };
virtual void SetPen( const wxPen &pen ) = 0;
virtual wxPen *GetPen(void) { return &m_pen; };
virtual void SetBrush( const wxBrush &brush ) = 0;
virtual wxBrush *GetBrush(void) { return &m_brush; };
virtual void SetBackground( const wxBrush &brush ) = 0;
virtual wxBrush *GetBackground(void) { return &m_backgroundBrush; };
virtual void SetLogicalFunction( int function ) = 0;
virtual int GetLogicalFunction(void) { return m_logicalFunction; };
virtual void SetTextForeground( const wxColour &col );
virtual void SetTextBackground( const wxColour &col );
virtual wxColour& GetTextBackground(void) const { return (wxColour&)m_textBackgroundColour; };
virtual wxColour& GetTextForeground(void) const { return (wxColour&)m_textForegroundColour; };
virtual void SetBackgroundMode( int mode ) = 0;
virtual int GetBackgroundMode(void) { return m_backgroundMode; };
virtual void SetPalette( const wxPalette& palette ) = 0;
void SetColourMap( const wxPalette& palette ) { SetPalette(palette); };
// the first two must be overridden and called
virtual void SetClippingRegion( long x, long y, long width, long height );
virtual void DestroyClippingRegion(void);
virtual void GetClippingBox( long *x, long *y, long *width, long *height ) const;
virtual inline long MinX(void) const { return m_minX; }
virtual inline long MaxX(void) const { return m_maxX; }
virtual inline long MinY(void) const { return m_minY; }
virtual inline long MaxY(void) const { return m_maxY; }
virtual void GetSize( int* width, int* height ) const;
inline wxSize GetSize(void) const { int w, h; GetSize(&w, &h); return wxSize(w, h); }
virtual void GetSizeMM( long* width, long* height ) const;
virtual bool StartDoc( const wxString& WXUNUSED(message) ) { return TRUE; };
virtual void EndDoc(void) {};
virtual void StartPage(void) {};
virtual void EndPage(void) {};
virtual void SetMapMode( int mode );
virtual int GetMapMode(void) const { return m_mappingMode; };
virtual void SetUserScale( double x, double y );
virtual void GetUserScale( double *x, double *y );
virtual void SetLogicalScale( double x, double y );
virtual void GetLogicalScale( double *x, double *y );
virtual void SetLogicalOrigin( long x, long y );
virtual void GetLogicalOrigin( long *x, long *y );
virtual void SetDeviceOrigin( long x, long y );
virtual void GetDeviceOrigin( long *x, long *y );
virtual void SetInternalDeviceOrigin( long x, long y );
virtual void GetInternalDeviceOrigin( long *x, long *y );
virtual void SetAxisOrientation( bool xLeftRight, bool yBottomUp );
virtual void SetOptimization( bool WXUNUSED(optimize) ) {};
virtual bool GetOptimization(void) { return m_optimize; };
virtual long DeviceToLogicalX(long x) const;
virtual long DeviceToLogicalY(long y) const;
virtual long DeviceToLogicalXRel(long x) const;
virtual long DeviceToLogicalYRel(long y) const;
virtual long LogicalToDeviceX(long x) const;
virtual long LogicalToDeviceY(long y) const;
virtual long LogicalToDeviceXRel(long x) const;
virtual long LogicalToDeviceYRel(long y) const;
public:
void CalcBoundingBox( long x, long y );
void ComputeScaleAndOrigin(void);
long XDEV2LOG(long x) const
{
long new_x = x - m_deviceOriginX;
if (new_x > 0)
return (long)((double)(new_x) / m_scaleX + 0.5) * m_signX + m_logicalOriginX;
else
return (long)((double)(new_x) / m_scaleX - 0.5) * m_signX + m_logicalOriginX;
}
long XDEV2LOGREL(long x) const
{
if (x > 0)
return (long)((double)(x) / m_scaleX + 0.5);
else
return (long)((double)(x) / m_scaleX - 0.5);
}
long YDEV2LOG(long y) const
{
long new_y = y - m_deviceOriginY;
if (new_y > 0)
return (long)((double)(new_y) / m_scaleY + 0.5) * m_signY + m_logicalOriginY;
else
return (long)((double)(new_y) / m_scaleY - 0.5) * m_signY + m_logicalOriginY;
}
long YDEV2LOGREL(long y) const
{
if (y > 0)
return (long)((double)(y) / m_scaleY + 0.5);
else
return (long)((double)(y) / m_scaleY - 0.5);
}
long XLOG2DEV(long x) const
{
long new_x = x - m_logicalOriginX;
if (new_x > 0)
return (long)((double)(new_x) * m_scaleX + 0.5) * m_signX + m_deviceOriginX;
else
return (long)((double)(new_x) * m_scaleX - 0.5) * m_signX + m_deviceOriginX;
}
long XLOG2DEVREL(long x) const
{
if (x > 0)
return (long)((double)(x) * m_scaleX + 0.5);
else
return (long)((double)(x) * m_scaleX - 0.5);
}
long YLOG2DEV(long y) const
{
long new_y = y - m_logicalOriginY;
if (new_y > 0)
return (long)((double)(new_y) * m_scaleY + 0.5) * m_signY + m_deviceOriginY;
else
return (long)((double)(new_y) * m_scaleY - 0.5) * m_signY + m_deviceOriginY;
}
long YLOG2DEVREL(long y) const
{
if (y > 0)
return (long)((double)(y) * m_scaleY + 0.5);
else
return (long)((double)(y) * m_scaleY - 0.5);
}
virtual void DrawOpenSpline( wxList *points ) = 0;
public:
bool m_ok;
bool m_colour;
// not sure, what these mean
bool m_clipping; // Is clipping on right now ?
bool m_isInteractive; // Is GetPixel possible ?
bool m_autoSetting; // wxMSW only ?
bool m_dontDelete; // wxMSW only ?
bool m_optimize; // wxMSW only ?
wxString m_filename; // Not sure where this belongs.
wxPen m_pen;
wxBrush m_brush;
wxBrush m_backgroundBrush;
wxColour m_textForegroundColour;
wxColour m_textBackgroundColour;
wxFont m_font;
int m_logicalFunction;
int m_backgroundMode;
int m_textAlignment; // gone in wxWin 2.0 ?
int m_mappingMode;
// not sure what for, but what is a mm on a screen you don't know the size of?
double m_mm_to_pix_x,m_mm_to_pix_y;
long m_internalDeviceOriginX,m_internalDeviceOriginY; // If un-scrolled is non-zero or
// d.o. changes with scrolling.
// Set using SetInternalDeviceOrigin().
long m_externalDeviceOriginX,m_externalDeviceOriginY; // To be set by external classes
// such as wxScrolledWindow
// using SetDeviceOrigin()
long m_deviceOriginX,m_deviceOriginY; // Sum of the two above.
long m_logicalOriginX,m_logicalOriginY; // User defined.
double m_scaleX,m_scaleY;
double m_logicalScaleX,m_logicalScaleY;
double m_userScaleX,m_userScaleY;
long m_signX,m_signY;
bool m_needComputeScaleX,m_needComputeScaleY; // not yet used
float m_scaleFactor; // wxPSDC wants to have this. Will disappear.
long m_clipX1,m_clipY1,m_clipX2,m_clipY2;
long m_minX,m_maxX,m_minY,m_maxY;
};
#endif // __GTKDCH__