X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/8f2b21e474d7f7c07fd97306d2f6d5b1f05d2844..32c19f25fce3a38f9e4cf1497761fd7364d7bc62:/include/wx/image.h diff --git a/include/wx/image.h b/include/wx/image.h index 153065c764..665d89534e 100644 --- a/include/wx/image.h +++ b/include/wx/image.h @@ -14,7 +14,7 @@ #pragma interface "image.h" #endif -#include "wx/setup.h" +#include "wx/defs.h" #include "wx/object.h" #include "wx/string.h" #include "wx/gdicmn.h" @@ -30,8 +30,22 @@ // which breaks the compilation below #undef index +#define wxIMAGE_OPTION_QUALITY wxString(_T("quality")) #define wxIMAGE_OPTION_FILENAME wxString(_T("FileName")) +#define wxIMAGE_OPTION_RESOLUTION wxString(_T("Resolution")) +#define wxIMAGE_OPTION_RESOLUTIONX wxString(_T("ResolutionX")) +#define wxIMAGE_OPTION_RESOLUTIONY wxString(_T("ResolutionY")) + +#define wxIMAGE_OPTION_RESOLUTIONUNIT wxString(_T("ResolutionUnit")) + +// constants used with wxIMAGE_OPTION_RESOLUTIONUNIT +enum +{ + wxIMAGE_RESOLUTION_INCHES = 1, + wxIMAGE_RESOLUTION_CM = 2 +}; + //----------------------------------------------------------------------------- // classes //----------------------------------------------------------------------------- @@ -52,8 +66,8 @@ public: { } #if wxUSE_STREAMS - virtual bool LoadFile( wxImage *image, wxInputStream& stream, bool verbose=TRUE, int index=-1 ); - virtual bool SaveFile( wxImage *image, wxOutputStream& stream, bool verbose=TRUE ); + virtual bool LoadFile( wxImage *image, wxInputStream& stream, bool verbose=true, int index=-1 ); + virtual bool SaveFile( wxImage *image, wxOutputStream& stream, bool verbose=true ); virtual int GetImageCount( wxInputStream& stream ); @@ -136,11 +150,14 @@ public: class WXDLLEXPORT wxImage: public wxObject { public: - wxImage(); + wxImage(){} wxImage( int width, int height, bool clear = true ); - wxImage( int width, int height, unsigned char* data, bool static_data = FALSE ); + wxImage( int width, int height, unsigned char* data, bool static_data = false ); + wxImage( int width, int height, unsigned char* data, unsigned char* alpha, bool static_data = false ); wxImage( const wxString& name, long type = wxBITMAP_TYPE_ANY, int index = -1 ); wxImage( const wxString& name, const wxString& mimetype, int index = -1 ); + wxImage( const char** xpmData ); + wxImage( char** xpmData ); #if wxUSE_STREAMS wxImage( wxInputStream& stream, long type = wxBITMAP_TYPE_ANY, int index = -1 ); @@ -151,7 +168,9 @@ public: 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, bool static_data = false ); + bool Create( int width, int height, unsigned char* data, unsigned char* alpha, bool static_data = false ); + bool Create( const char** xpmData ); void Destroy(); // creates an identical copy of the image (the = operator @@ -159,7 +178,14 @@ public: wxImage Copy() const; // return the new image with size width*height - wxImage GetSubImage( const wxRect& ) const; + wxImage GetSubImage( const wxRect& rect) const; + + // Paste the image or part of this image into an image of the given size at the pos + // any newly exposed areas will be filled with the rgb colour + // by default if r = g = b = -1 then fill with this image's mask colour or find and + // set a suitable mask colour + wxImage Size( const wxSize& size, const wxPoint& pos, + int r = -1, int g = -1, int b = -1 ) const; // pastes image into this instance and takes care of // the mask colour and out of bounds problems @@ -173,13 +199,17 @@ public: // rescales the image in place wxImage& Rescale( int width, int height ) { return *this = Scale(width, height); } + // resizes the image in place + wxImage& Resize( const wxSize& size, const wxPoint& pos, + int r = -1, int g = -1, int b = -1 ) { return *this = Size(size, pos, r, g, b); } + // 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; + bool interpolating = true, wxPoint * offset_after_rotation = (wxPoint*) NULL) const; - wxImage Rotate90( bool clockwise = TRUE ) const; - wxImage Mirror( bool horizontally = TRUE ) 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, @@ -191,6 +221,7 @@ public: // these routines are slow but safe void SetRGB( int x, int y, unsigned char r, unsigned char g, unsigned char b ); + void SetRGB( const wxRect& rect, 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; @@ -211,6 +242,18 @@ public: // 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 ); @@ -245,13 +288,17 @@ public: unsigned char *GetAlpha() const; // may return NULL! bool HasAlpha() const { return GetAlpha() != NULL; } void SetAlpha(unsigned char *alpha = NULL); + void InitAlpha(); // Mask functions void SetMaskColour( unsigned char r, unsigned char g, unsigned char b ); + // Get the current mask colour or find a suitable colour + // returns true if using current mask colour + bool GetOrFindMaskColour( unsigned char *r, unsigned char *g, unsigned char *b ) const; unsigned char GetMaskRed() const; unsigned char GetMaskGreen() const; unsigned char GetMaskBlue() const; - void SetMask( bool mask = TRUE ); + void SetMask( bool mask = true ); bool HasMask() const; #if wxUSE_PALETTE @@ -316,7 +363,7 @@ private: extern void WXDLLEXPORT wxInitAllImageHandlers(); -WXDLLEXPORT_DATA(extern wxImage) wxNullImage; +extern WXDLLEXPORT_DATA(wxImage) wxNullImage; //----------------------------------------------------------------------------- // wxImage handlers