X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/46dc76ba3573649a9ed7c7aff6dc677f533eee11..c3e54dee9173954a7f18a88632fbc263695938f6:/include/wx/gtk/dc.h diff --git a/include/wx/gtk/dc.h b/include/wx/gtk/dc.h index 9678e6d693..a778ba23db 100644 --- a/include/wx/gtk/dc.h +++ b/include/wx/gtk/dc.h @@ -1,309 +1,164 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: dc.h +// Name: wx/gtk/dc.h // Purpose: // Author: Robert Roebling -// Created: 01/02/97 -// Id: -// Copyright: (c) 1998 Robert Roebling, Julian Smart and Markus Holzem -// Licence: wxWindows licence +// Id: $Id$ +// Copyright: (c) 1998 Robert Roebling +// 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 +#ifndef MM_TEXT +#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 +#endif //----------------------------------------------------------------------------- -// global variables +// coordinates transformations //----------------------------------------------------------------------------- -extern int wxPageNumber; +inline wxCoord wxDCBase::DeviceToLogicalX(wxCoord x) const +{ + return wxRound((x - m_deviceOriginX) / m_scaleX) * m_signX + m_logicalOriginX; +} +inline wxCoord wxDCBase::DeviceToLogicalY(wxCoord y) const +{ + return wxRound((y - m_deviceOriginY) / m_scaleY) * m_signY + m_logicalOriginY; +} +inline wxCoord wxDCBase::DeviceToLogicalXRel(wxCoord x) const +{ + return wxRound(x / m_scaleX); +} +inline wxCoord wxDCBase::DeviceToLogicalYRel(wxCoord y) const +{ + return wxRound(y / m_scaleY); +} +inline wxCoord wxDCBase::LogicalToDeviceX(wxCoord x) const +{ + return wxRound((x - m_logicalOriginX) * m_scaleX) * m_signX + m_deviceOriginX; +} +inline wxCoord wxDCBase::LogicalToDeviceY(wxCoord y) const +{ + return wxRound((y - m_logicalOriginY) * m_scaleY) * m_signY + m_deviceOriginY; +} +inline wxCoord wxDCBase::LogicalToDeviceXRel(wxCoord x) const +{ + return wxRound(x * m_scaleX); +} +inline wxCoord wxDCBase::LogicalToDeviceYRel(wxCoord y) const +{ + return wxRound(y * m_scaleY); +} //----------------------------------------------------------------------------- // wxDC //----------------------------------------------------------------------------- -class wxDC: public wxObject +class WXDLLIMPEXP_CORE wxDC : public wxDCBase { - DECLARE_ABSTRACT_CLASS(wxDC) - - public: +public: + wxDC(); + virtual ~wxDC() { } - wxDC(void); - ~wxDC(void); - - void BeginDrawing(void) {}; - void EndDrawing(void) {}; - - virtual bool Ok(void) const { return m_ok; }; +#if wxUSE_PALETTE + void SetColourMap( const wxPalette& palette ) { SetPalette(palette); }; +#endif // wxUSE_PALETTE - 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; + // Resolution in pixels per logical inch + virtual wxSize GetPPI() const; - 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, bool useMask=FALSE ); - 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 bool StartDoc( const wxString& WXUNUSED(message) ) { return true; } + virtual void EndDoc() { } + virtual void StartPage() { } + virtual void EndPage() { } - 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 SetLogicalOrigin( wxCoord x, wxCoord y ); + virtual void SetDeviceOrigin( wxCoord x, wxCoord 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; + virtual void ComputeScaleAndOrigin(); + + virtual GdkWindow* GetGDKWindow() const { return NULL; } + virtual wxBitmap GetSelectedBitmap() const { return wxNullBitmap; } + +protected: + // implementation + // -------------- + + wxCoord XDEV2LOG(wxCoord x) const + { + return DeviceToLogicalX(x); + } + wxCoord XDEV2LOGREL(wxCoord x) const + { + return DeviceToLogicalXRel(x); + } + wxCoord YDEV2LOG(wxCoord y) const + { + return DeviceToLogicalY(y); + } + wxCoord YDEV2LOGREL(wxCoord y) const + { + return DeviceToLogicalYRel(y); + } + wxCoord XLOG2DEV(wxCoord x) const + { + return LogicalToDeviceX(x); + } + wxCoord XLOG2DEVREL(wxCoord x) const + { + return LogicalToDeviceXRel(x); + } + wxCoord YLOG2DEV(wxCoord y) const + { + return LogicalToDeviceY(y); + } + wxCoord YLOG2DEVREL(wxCoord y) const + { + return LogicalToDeviceYRel(y); + } + + // base class pure virtuals implemented here + virtual void DoSetClippingRegion(wxCoord x, wxCoord y, wxCoord width, wxCoord height); + virtual void DoGetSizeMM(int* width, int* height) const; + +public: + // GTK-specific member variables + + // 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; + + bool m_needComputeScaleX, + m_needComputeScaleY; // not yet used + + +private: + DECLARE_ABSTRACT_CLASS(wxDC) }; +// this must be defined when wxDC::Blit() honours the DC origian and needed to +// allow wxUniv code in univ/winuniv.cpp to work with versions of wxGTK +// 2.3.[23] +#ifndef wxHAS_WORKING_GTK_DC_BLIT + #define wxHAS_WORKING_GTK_DC_BLIT +#endif + #endif // __GTKDCH__