X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/b0e0d66151c930ea402f96925d8d4dc9bb514c09..670048b2f09d543de2ecba4800f2428fbad743e8:/include/wx/gtk/dc.h?ds=sidebyside diff --git a/include/wx/gtk/dc.h b/include/wx/gtk/dc.h index 8b71e9ceb0..a778ba23db 100644 --- a/include/wx/gtk/dc.h +++ b/include/wx/gtk/dc.h @@ -1,5 +1,5 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: dc.h +// Name: wx/gtk/dc.h // Purpose: // Author: Robert Roebling // Id: $Id$ @@ -7,24 +7,14 @@ // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// - #ifndef __GTKDCH__ #define __GTKDCH__ -#ifdef __GNUG__ -#pragma interface -#endif - -//----------------------------------------------------------------------------- -// classes -//----------------------------------------------------------------------------- - -class wxDC; - //----------------------------------------------------------------------------- // constants //----------------------------------------------------------------------------- +#ifndef MM_TEXT #define MM_TEXT 0 #define MM_ISOTROPIC 1 #define MM_ANISOTROPIC 2 @@ -33,28 +23,63 @@ class wxDC; #define MM_TWIPS 5 #define MM_POINTS 6 #define MM_METRIC 7 +#endif //----------------------------------------------------------------------------- -// wxDC +// coordinates transformations //----------------------------------------------------------------------------- -class wxDC : public wxDCBase +inline wxCoord wxDCBase::DeviceToLogicalX(wxCoord x) const { - DECLARE_ABSTRACT_CLASS(wxDC) + 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 WXDLLIMPEXP_CORE wxDC : public wxDCBase +{ public: wxDC(); - ~wxDC() { } + virtual ~wxDC() { } +#if wxUSE_PALETTE void SetColourMap( const wxPalette& palette ) { SetPalette(palette); }; - - // the first two must be overridden and called - virtual void DestroyClippingRegion(); +#endif // wxUSE_PALETTE // Resolution in pixels per logical inch virtual wxSize GetPPI() const; - virtual bool StartDoc( const wxString& WXUNUSED(message) ) { return TRUE; } + virtual bool StartDoc( const wxString& WXUNUSED(message) ) { return true; } virtual void EndDoc() { } virtual void StartPage() { } virtual void EndPage() { } @@ -62,81 +87,55 @@ public: virtual void SetMapMode( int mode ); virtual void SetUserScale( double x, double y ); virtual void SetLogicalScale( double x, double y ); - virtual void SetLogicalOrigin( long x, long y ); - virtual void SetDeviceOrigin( 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 ComputeScaleAndOrigin(); + + virtual GdkWindow* GetGDKWindow() const { return NULL; } + virtual wxBitmap GetSelectedBitmap() const { return wxNullBitmap; } + +protected: // implementation // -------------- - void ComputeScaleAndOrigin(); - - long XDEV2LOG(long x) const + wxCoord XDEV2LOG(wxCoord 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; + return DeviceToLogicalX(x); } - long XDEV2LOGREL(long x) const + wxCoord XDEV2LOGREL(wxCoord x) const { - if (x > 0) - return (long)((double)(x) / m_scaleX + 0.5); - else - return (long)((double)(x) / m_scaleX - 0.5); + return DeviceToLogicalXRel(x); } - long YDEV2LOG(long y) const + wxCoord YDEV2LOG(wxCoord 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; + return DeviceToLogicalY(y); } - long YDEV2LOGREL(long y) const + wxCoord YDEV2LOGREL(wxCoord y) const { - if (y > 0) - return (long)((double)(y) / m_scaleY + 0.5); - else - return (long)((double)(y) / m_scaleY - 0.5); + return DeviceToLogicalYRel(y); } - long XLOG2DEV(long x) const + wxCoord XLOG2DEV(wxCoord 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; + return LogicalToDeviceX(x); } - long XLOG2DEVREL(long x) const + wxCoord XLOG2DEVREL(wxCoord x) const { - if (x > 0) - return (long)((double)(x) * m_scaleX + 0.5); - else - return (long)((double)(x) * m_scaleX - 0.5); + return LogicalToDeviceXRel(x); } - long YLOG2DEV(long y) const + wxCoord YLOG2DEV(wxCoord 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; + return LogicalToDeviceY(y); } - long YLOG2DEVREL(long y) const + wxCoord YLOG2DEVREL(wxCoord y) const { - if (y > 0) - return (long)((double)(y) * m_scaleY + 0.5); - else - return (long)((double)(y) * m_scaleY - 0.5); + return LogicalToDeviceYRel(y); } -protected: // base class pure virtuals implemented here - virtual void DoSetClippingRegion(long x, long y, long width, long height); - virtual void DoGetSize(int *width, int *height) const; + virtual void DoSetClippingRegion(wxCoord x, wxCoord y, wxCoord width, wxCoord height); virtual void DoGetSizeMM(int* width, int* height) const; public: @@ -150,7 +149,16 @@ public: bool m_needComputeScaleX, m_needComputeScaleY; // not yet used - float m_scaleFactor; // wxPSDC wants to have this. Will disappear. + +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__