class WXDLLEXPORT wxDC : public wxDCBase
{
DECLARE_DYNAMIC_CLASS(wxDC)
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public:
wxDC();
~wxDC() { }
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// implement base class pure virtuals
// ----------------------------------
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- virtual void DestroyClippingRegion();
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virtual wxSize GetPPI() const;
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virtual void SetMapMode(int mode);
virtual void SetUserScale(double x, double y);
virtual void SetLogicalScale(double x, double y);
virtual void SetLogicalOrigin(wxCoord x, wxCoord y);
virtual void SetDeviceOrigin(wxCoord x, wxCoord y);
virtual void SetAxisOrientation(bool xLeftRight, bool yBottomUp);
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protected:
virtual void DoDrawIcon(const wxIcon& icon, wxCoord x, wxCoord y);
virtual void DoDrawBitmap(const wxBitmap &bmp, wxCoord x, wxCoord y,
bool useMask = FALSE);
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virtual void DoSetClippingRegion(wxCoord x, wxCoord y,
wxCoord width, wxCoord height);
virtual void DoGetSize(int *width, int *height) const;
virtual void DoGetSizeMM(int* width, int* height) const;
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public:
void ComputeScaleAndOrigin();
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wxCoord XDEV2LOG(wxCoord x) const
{
wxCoord new_x = x - m_deviceOriginX;
else
return (wxCoord)((double)(y) * m_scaleY - 0.5);
}
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public:
// 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;
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// recompute scale?
bool m_needComputeScaleX, m_needComputeScaleY;
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};
#endif