X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/3399af21d10d3f8ce4f39dfb29df5546ab265ef6..438959cca892a7651634cc3a7aad4819ac49b23c:/include/wx/graphics.h diff --git a/include/wx/graphics.h b/include/wx/graphics.h index d30fd3b7c1..656a338d3b 100644 --- a/include/wx/graphics.h +++ b/include/wx/graphics.h @@ -19,12 +19,13 @@ #include "wx/geometry.h" #include "wx/dynarray.h" #include "wx/dc.h" +#include "wx/image.h" #include "wx/vector.h" enum wxAntialiasMode { wxANTIALIAS_NONE, // should be 0 - wxANTIALIAS_DEFAULT, + wxANTIALIAS_DEFAULT }; enum wxInterpolationQuality @@ -49,6 +50,7 @@ enum wxCompositionMode // classic Porter-Duff compositions // http://keithp.com/~keithp/porterduff/p253-porter.pdf + wxCOMPOSITION_INVALID = -1, /* indicates invalid/unsupported mode */ wxCOMPOSITION_CLEAR, /* R = 0 */ wxCOMPOSITION_SOURCE, /* R = S */ wxCOMPOSITION_OVER, /* R = S + D*(1 - Sa) */ @@ -64,7 +66,7 @@ enum wxCompositionMode wxCOMPOSITION_XOR, /* R = S*(1 - Da) + D*(1 - Sa) */ // mathematical compositions - wxCOMPOSITION_ADD, /* R = S + D */ + wxCOMPOSITION_ADD /* R = S + D */ }; class WXDLLIMPEXP_FWD_CORE wxWindowDC; @@ -105,6 +107,7 @@ class WXDLLIMPEXP_FWD_CORE wxGraphicsBitmap; // class WXDLLIMPEXP_FWD_CORE wxGraphicsObjectRefData; +class WXDLLIMPEXP_FWD_CORE wxGraphicsBitmapData; class WXDLLIMPEXP_FWD_CORE wxGraphicsMatrixData; class WXDLLIMPEXP_FWD_CORE wxGraphicsPathData; @@ -165,6 +168,21 @@ class WXDLLIMPEXP_CORE wxGraphicsBitmap : public wxGraphicsObject public: wxGraphicsBitmap() {} virtual ~wxGraphicsBitmap() {} + + // Convert bitmap to wxImage: this is more efficient than converting to + // wxBitmap first and then to wxImage and also works without X server + // connection under Unix that wxBitmap requires. +#if wxUSE_IMAGE + wxImage ConvertToImage() const; +#endif // wxUSE_IMAGE + + void* GetNativeBitmap() const; + + const wxGraphicsBitmapData* GetBitmapData() const + { return (const wxGraphicsBitmapData*) GetRefData(); } + wxGraphicsBitmapData* GetBitmapData() + { return (wxGraphicsBitmapData*) GetRefData(); } + private: DECLARE_DYNAMIC_CLASS(wxGraphicsBitmap) }; @@ -424,6 +442,13 @@ public: static wxGraphicsContext* Create( wxWindow* window ); +#if wxUSE_IMAGE + // Create a context for drawing onto a wxImage. The image life time must be + // greater than that of the context itself as when the context is destroyed + // it will copy its contents to the specified image. + static wxGraphicsContext* Create(wxImage& image); +#endif // wxUSE_IMAGE + // create a context that can be used for measuring texts only, no drawing allowed static wxGraphicsContext * Create(); @@ -473,11 +498,18 @@ public: wxDouble xc, wxDouble yc, wxDouble radius, const wxGraphicsGradientStops& stops) const; - // sets the font + // creates a font virtual wxGraphicsFont CreateFont( const wxFont &font , const wxColour &col = *wxBLACK ) const; + virtual wxGraphicsFont CreateFont(double sizeInPixels, + const wxString& facename, + int flags = wxFONTFLAG_DEFAULT, + const wxColour& col = *wxBLACK) const; // create a native bitmap representation virtual wxGraphicsBitmap CreateBitmap( const wxBitmap &bitmap ) const; +#if wxUSE_IMAGE + wxGraphicsBitmap CreateBitmapFromImage(const wxImage& image) const; +#endif // wxUSE_IMAGE // create a native bitmap representation virtual wxGraphicsBitmap CreateSubBitmap( const wxGraphicsBitmap &bitmap, wxDouble x, wxDouble y, wxDouble w, wxDouble h ) const; @@ -486,6 +518,16 @@ public: virtual wxGraphicsMatrix CreateMatrix( wxDouble a=1.0, wxDouble b=0.0, wxDouble c=0.0, wxDouble d=1.0, wxDouble tx=0.0, wxDouble ty=0.0) const; + wxGraphicsMatrix CreateMatrix( const wxAffineMatrix2DBase& mat ) const + { + wxMatrix2D mat2D; + wxPoint2DDouble tr; + mat.Get(&mat2D, &tr); + + return CreateMatrix(mat2D.m_11, mat2D.m_12, mat2D.m_21, mat2D.m_22, + tr.m_x, tr.m_y); + } + // push the current state of the context, ie the transformation matrix on a stack virtual void PushState() = 0; @@ -523,7 +565,7 @@ public: virtual bool SetCompositionMode(wxCompositionMode op) = 0; // returns the size of the graphics context in device coordinates - void GetSize(wxDouble* width, wxDouble* height) + void GetSize(wxDouble* width, wxDouble* height) const { if ( width ) *width = m_width; @@ -771,6 +813,10 @@ public: virtual wxGraphicsContext * CreateContext( wxWindow* window ) = 0; +#if wxUSE_IMAGE + virtual wxGraphicsContext * CreateContextFromImage(wxImage& image) = 0; +#endif // wxUSE_IMAGE + // create a context that can be used for measuring texts only, no drawing allowed virtual wxGraphicsContext * CreateMeasuringContext() = 0; @@ -805,9 +851,17 @@ public: // sets the font virtual wxGraphicsFont CreateFont( const wxFont &font , const wxColour &col = *wxBLACK ) = 0; + virtual wxGraphicsFont CreateFont(double sizeInPixels, + const wxString& facename, + int flags = wxFONTFLAG_DEFAULT, + const wxColour& col = *wxBLACK) = 0; // create a native bitmap representation virtual wxGraphicsBitmap CreateBitmap( const wxBitmap &bitmap ) = 0; +#if wxUSE_IMAGE + virtual wxGraphicsBitmap CreateBitmapFromImage(const wxImage& image) = 0; + virtual wxImage CreateImageFromBitmap(const wxGraphicsBitmap& bmp) = 0; +#endif // wxUSE_IMAGE // create a graphics bitmap from a native bitmap virtual wxGraphicsBitmap CreateBitmapFromNativeBitmap( void* bitmap ) = 0; @@ -820,6 +874,16 @@ private: DECLARE_ABSTRACT_CLASS(wxGraphicsRenderer) }; -#endif + +#if wxUSE_IMAGE +inline +wxImage wxGraphicsBitmap::ConvertToImage() const +{ + wxGraphicsRenderer* renderer = GetRenderer(); + return renderer ? renderer->CreateImageFromBitmap(*this) : wxNullImage; +} +#endif // wxUSE_IMAGE + +#endif // wxUSE_GRAPHICS_CONTEXT #endif // _WX_GRAPHICS_H_