+#if wxUSE_STREAMS
+ wxImage( wxInputStream& stream, long type = wxBITMAP_TYPE_ANY, int index = -1 );
+ wxImage( wxInputStream& stream, const wxString& mimetype, int index = -1 );
+#endif // wxUSE_STREAMS
+
+ wxImage( const wxImage& image );
+ wxImage( const wxImage* image );
+
+ bool Create( int width, int height, bool clear = true );
+ bool Create( int width, int height, unsigned char* data, bool static_data = false );
+ bool Create( int width, int height, unsigned char* data, unsigned char* alpha, bool static_data = false );
+ void Destroy();
+
+ // creates an identical copy of the image (the = operator
+ // just raises the ref count)
+ wxImage Copy() const;
+
+ // return the new image with size width*height
+ wxImage GetSubImage( const wxRect& ) const;
+
+ // pastes image into this instance and takes care of
+ // the mask colour and out of bounds problems
+ void Paste( const wxImage &image, int x, int y );
+
+ // return the new image with size width*height
+ wxImage Scale( int width, int height ) const;
+
+ wxImage ShrinkBy( int xFactor , int yFactor ) const ;
+
+ // rescales the image in place
+ wxImage& Rescale( int width, int height ) { return *this = Scale(width, height); }
+
+ // Rotates the image about the given point, 'angle' radians.
+ // Returns the rotated image, leaving this image intact.
+ wxImage Rotate(double angle, const wxPoint & centre_of_rotation,
+ bool interpolating = true, wxPoint * offset_after_rotation = (wxPoint*) NULL) const;
+
+ wxImage Rotate90( bool clockwise = true ) const;
+ wxImage Mirror( bool horizontally = true ) const;
+
+ // replace one colour with another
+ void Replace( unsigned char r1, unsigned char g1, unsigned char b1,
+ unsigned char r2, unsigned char g2, unsigned char b2 );
+
+ // convert to monochrome image (<r,g,b> will be replaced by white,
+ // everything else by black)
+ wxImage ConvertToMono( unsigned char r, unsigned char g, unsigned char b ) const;
+
+ // these routines are slow but safe
+ void SetRGB( int x, int y, unsigned char r, unsigned char g, unsigned char b );
+ unsigned char GetRed( int x, int y ) const;
+ unsigned char GetGreen( int x, int y ) const;
+ unsigned char GetBlue( int x, int y ) const;
+
+ void SetAlpha(int x, int y, unsigned char alpha);
+ unsigned char GetAlpha(int x, int y) const;
+
+ // find first colour that is not used in the image and has higher
+ // RGB values than <startR,startG,startB>
+ bool FindFirstUnusedColour( unsigned char *r, unsigned char *g, unsigned char *b,
+ unsigned char startR = 1, unsigned char startG = 0,
+ unsigned char startB = 0 ) const;
+ // Set image's mask to the area of 'mask' that has <r,g,b> colour
+ bool SetMaskFromImage(const wxImage & mask,
+ unsigned char mr, unsigned char mg, unsigned char mb);
+
+ // converts image's alpha channel to mask, if it has any, does nothing
+ // otherwise:
+ bool ConvertAlphaToMask(unsigned char threshold = 128);
+
+ // This method converts an image where the original alpha
+ // information is only available as a shades of a colour
+ // (actually shades of grey) typically when you draw anti-
+ // aliased text into a bitmap. The DC drawinf routines
+ // draw grey values on the black background although they
+ // actually mean to draw white with differnt alpha values.
+ // This method reverses it, assuming a black (!) background
+ // and white text (actually only the red channel is read).
+ // The method will then fill up the whole image with the
+ // colour given.
+ bool ConvertColourToAlpha( unsigned char r, unsigned char g, unsigned char b );
+
+ static bool CanRead( const wxString& name );
+ static int GetImageCount( const wxString& name, long type = wxBITMAP_TYPE_ANY );
+ virtual bool LoadFile( const wxString& name, long type = wxBITMAP_TYPE_ANY, int index = -1 );
+ virtual bool LoadFile( const wxString& name, const wxString& mimetype, int index = -1 );
projects / wxWidgets.git / blobdiff