X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/e33cc297dd1c78f98a05afcc81d5653ca9133322..9e9574fe45b176ee74bba8fad7574cf9906145d1:/interface/wx/graphics.h diff --git a/interface/wx/graphics.h b/interface/wx/graphics.h index 086bf1e952..96b3457508 100644 --- a/interface/wx/graphics.h +++ b/interface/wx/graphics.h @@ -2,7 +2,6 @@ // Name: graphics.h // Purpose: interface of various wxGraphics* classes // Author: wxWidgets team -// RCS-ID: $Id$ // Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// @@ -296,6 +295,14 @@ public: @since 2.9.3 */ wxImage ConvertToImage() const; + + /** + Return the pointer to the native bitmap data. (CGImageRef for Core Graphics, + cairo_surface_t for Cairo, Bitmap* for GDI+.) + + @since 2.9.4 + */ + void* GetNativeBitmap() const; }; /** @@ -397,6 +404,11 @@ public: */ static wxGraphicsContext* Create(wxImage& image); + /** + Create a lightweight context that can be used only for measuring text. + */ + static wxGraphicsContext* Create(); + /** Clips drawings to the specified region. */ @@ -512,6 +524,14 @@ public: wxDouble tx = 0.0, wxDouble ty = 0.0) const; + /** + Creates a native affine transformation matrix from the passed + generic one. + + @since 2.9.4 + */ + wxGraphicsMatrix CreateMatrix(const wxAffineMatrix2DBase& mat) const; + /** Creates a native graphics path which is initially empty. */ @@ -787,15 +807,17 @@ public: virtual wxAntialiasMode GetAntialiasMode() const ; /** - Sets the interpolation quality, returns true if it supported + Sets the interpolation quality, returns true if it is supported. + + Not implemented in Cairo backend currently. */ virtual bool SetInterpolationQuality(wxInterpolationQuality interpolation) = 0; - + /** - Returns the current interpolation quality + Returns the current interpolation quality. */ virtual wxInterpolationQuality GetInterpolationQuality() const; - + /** Sets the compositing operator, returns true if it supported */ @@ -807,10 +829,65 @@ public: virtual wxCompositionMode GetCompositionMode() const; + /** + Push the current state of the context's transformation matrix on a + stack. + + @see wxGraphicsContext::PopState + */ + virtual void PushState() = 0; + + /** + Pops a stored state from the stack and sets the current transformation + matrix to that state. + + @see wxGraphicsContext::PopState + */ + virtual void PopState() = 0; + + + virtual bool ShouldOffset() const; virtual void EnableOffset(bool enable = true); void DisableOffset(); bool OffsetEnabled(); + /** + Begin a new document (relevant only for printing / pdf etc.) + If there is a progress dialog, message will be shown. + */ + virtual bool StartDoc( const wxString& message ); + + /** + Done with that document (relevant only for printing / pdf etc.) + */ + virtual void EndDoc(); + + /** + Opens a new page (relevant only for printing / pdf etc.) with the given + size in points. (If both are null the default page size will be used.) + */ + virtual void StartPage( wxDouble width = 0, wxDouble height = 0 ); + + /** + Ends the current page (relevant only for printing / pdf etc.) + */ + virtual void EndPage(); + + /** + Make sure that the current content of this context is immediately visible. + */ + virtual void Flush(); + + /** + Returns the size of the graphics context in device coordinates. + */ + void GetSize(wxDouble* width, wxDouble* height) const; + + /** + Returns the resolution of the graphics context in device points per inch. + */ + virtual void GetDPI( wxDouble* dpiX, wxDouble* dpiY); + }; /** @@ -903,7 +980,7 @@ public: /** Returns the number of stops. */ - unsigned GetCount() const; + size_t GetCount() const; /** Set the start colour to @a col @@ -969,6 +1046,13 @@ public: */ virtual wxGraphicsBitmap CreateBitmapFromImage(const wxImage& image) = 0; + /** + Creates a wxImage from a wxGraphicsBitmap. + + This method is used by the more convenient wxGraphicsBitmap::ConvertToImage. + */ + virtual wxImage CreateImageFromBitmap(const wxGraphicsBitmap& bmp) = 0; + /** Creates wxGraphicsBitmap from a native bitmap handle. @@ -1257,7 +1341,10 @@ public: virtual bool IsIdentity() const; /** - Rotates this matrix (in radians). + Rotates this matrix clockwise (in radians). + + @param angle + Rotation angle in radians, clockwise. */ virtual void Rotate(wxDouble angle);