X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/d88de032d3009be88d0f0ba4a882784aa9493331..a721fd82b7ca8c97048453d4aaff559e8f741d69:/include/wx/os2/bitmap.h?ds=sidebyside diff --git a/include/wx/os2/bitmap.h b/include/wx/os2/bitmap.h index 8ed76d060f..0206629798 100644 --- a/include/wx/os2/bitmap.h +++ b/include/wx/os2/bitmap.h @@ -1,9 +1,9 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: bitmap.h +// Name: wx/os2/bitmap.h // Purpose: wxBitmap class // Author: David Webster // Modified by: -// Created: 10/13/99 +// Created: 11/28/99 // RCS-ID: $Id$ // Copyright: (c) David Webster // Licence: wxWindows licence @@ -12,196 +12,349 @@ #ifndef _WX_BITMAP_H_ #define _WX_BITMAP_H_ -#include "wx/gdiobj.h" +#include "wx/os2/private.h" +#include "wx/os2/gdiimage.h" #include "wx/gdicmn.h" #include "wx/palette.h" -// Bitmap -class WXDLLEXPORT wxDC; -class WXDLLEXPORT wxControl; -class WXDLLEXPORT wxBitmap; -class WXDLLEXPORT wxBitmapHandler; -class WXDLLEXPORT wxIcon; -class WXDLLEXPORT wxCursor; -class WXDLLEXPORT wxControl; - -// A mask is a mono bitmap used for drawing bitmaps -// transparently. -class WXDLLEXPORT wxMask: public wxObject +class WXDLLIMPEXP_FWD_CORE wxDC; +class WXDLLIMPEXP_FWD_CORE wxControl; +class WXDLLIMPEXP_FWD_CORE wxBitmap; +class WXDLLIMPEXP_FWD_CORE wxBitmapHandler; +class WXDLLIMPEXP_FWD_CORE wxIcon; +class WXDLLIMPEXP_FWD_CORE wxMask; +class WXDLLIMPEXP_FWD_CORE wxCursor; +class WXDLLIMPEXP_FWD_CORE wxControl; +class WXDLLIMPEXP_FWD_CORE wxImage; +class WXDLLIMPEXP_FWD_CORE wxPixelDataBase; + +// ---------------------------------------------------------------------------- +// Bitmap data +// +// NB: this class is private, but declared here to make it possible inline +// wxBitmap functions accessing it +// ---------------------------------------------------------------------------- + +class WXDLLIMPEXP_CORE wxBitmapRefData : public wxGDIImageRefData { - DECLARE_DYNAMIC_CLASS(wxMask) - public: - wxMask(); + wxBitmapRefData(); + wxBitmapRefData(const wxBitmapRefData &tocopy); + virtual ~wxBitmapRefData() { Free(); } - // Construct a mask from a bitmap and a colour indicating - // the transparent area - wxMask(const wxBitmap& bitmap, const wxColour& colour); + virtual void Free(); - // Construct a mask from a bitmap and a palette index indicating - // the transparent area - wxMask(const wxBitmap& bitmap, int paletteIndex); +public: + int m_nNumColors; + wxPalette m_vBitmapPalette; + int m_nQuality; - // Construct a mask from a mono bitmap (copies the bitmap). - wxMask(const wxBitmap& bitmap); + // OS2-specific + // ------------ - ~wxMask(); + wxDC* m_pSelectedInto; - bool Create(const wxBitmap& bitmap, const wxColour& colour); - bool Create(const wxBitmap& bitmap, int paletteIndex); - bool Create(const wxBitmap& bitmap); + // + // Optional mask for transparent drawing + // + wxMask* m_pBitmapMask; +}; // end of CLASS wxBitmapRefData - // Implementation - inline WXHBITMAP GetMaskBitmap() const { return m_maskBitmap; } - inline void SetMaskBitmap(WXHBITMAP bmp) { m_maskBitmap = bmp; } -protected: - WXHBITMAP m_maskBitmap; -}; +// ---------------------------------------------------------------------------- +// wxBitmap: a mono or colour bitmap +// ---------------------------------------------------------------------------- -class WXDLLEXPORT wxBitmapRefData: public wxGDIRefData +class WXDLLIMPEXP_CORE wxBitmap : public wxGDIImage { - friend class WXDLLEXPORT wxBitmap; - friend class WXDLLEXPORT wxIcon; - friend class WXDLLEXPORT wxCursor; public: - wxBitmapRefData(); - ~wxBitmapRefData(); + // default ctor creates an invalid bitmap, you must Create() it later + wxBitmap() { Init(); } + + // Copy constructors + inline wxBitmap(const wxBitmap& rBitmap) + : wxGDIImage(rBitmap) + { + Init(); + SetHandle(rBitmap.GetHandle()); + } + + // Initialize with raw data + wxBitmap( const char bits[] + ,int nWidth + ,int nHeight + ,int nDepth = 1 + ); + + // Initialize with XPM data + wxBitmap(const char* const* bits); +#ifdef wxNEEDS_CHARPP + // needed for old GCC + wxBitmap(char** data) + { + *this = wxBitmap(const_cast(data)); + } +#endif + // Load a resource + wxBitmap( int nId + ,wxBitmapType lType = wxBITMAP_DEFAULT_TYPE + ); + + // For compatiability with other ports, under OS/2 does same as default ctor + inline wxBitmap( const wxString& WXUNUSED(rFilename) + ,wxBitmapType WXUNUSED(lType) + ) + { Init(); } + // New constructor for generalised creation from data + wxBitmap( const void* pData + ,wxBitmapType lType + ,int nWidth + ,int nHeight + ,int nDepth = 1 + ); + + // If depth is omitted, will create a bitmap compatible with the display + wxBitmap( int nWidth, int nHeight, int nDepth = -1 ); + + wxBitmap( const wxImage& image, int depth = -1 ) + { (void)CreateFromImage(image, depth); } + + // we must have this, otherwise icons are silently copied into bitmaps using + // the copy ctor but the resulting bitmap is invalid! + inline wxBitmap(const wxIcon& rIcon) + { Init(); CopyFromIcon(rIcon); } + + wxBitmap& operator=(const wxIcon& rIcon) + { + (void)CopyFromIcon(rIcon); + + return(*this); + } + + wxBitmap& operator=(const wxCursor& rCursor) + { + (void)CopyFromCursor(rCursor); + return (*this); + } + + virtual ~wxBitmap(); + + wxImage ConvertToImage() const; + + // get the given part of bitmap + wxBitmap GetSubBitmap(const wxRect& rRect) const; + + // copies the contents and mask of the given (colour) icon to the bitmap + bool CopyFromIcon(const wxIcon& rIcon); + + // copies the contents and mask of the given cursor to the bitmap + bool CopyFromCursor(const wxCursor& rCursor); + + virtual bool Create( int nWidth + ,int nHeight + ,int nDepth = -1 + ); + virtual bool Create( const void* pData + ,wxBitmapType lType + ,int nWidth + ,int nHeight + ,int nDepth = 1 + ); + virtual bool LoadFile( int nId + ,wxBitmapType lType = wxBITMAP_DEFAULT_TYPE + ); + virtual bool LoadFile( const wxString& rName + ,wxBitmapType lType = wxBITMAP_DEFAULT_TYPE + ); + virtual bool SaveFile( const wxString& rName + ,wxBitmapType lType + ,const wxPalette* pCmap = NULL + ); + + inline wxBitmapRefData* GetBitmapData() const + { return (wxBitmapRefData *)m_refData; } + + // raw bitmap access support functions + void *GetRawData(wxPixelDataBase& data, int bpp); + void UngetRawData(wxPixelDataBase& data); + + inline int GetQuality() const + { return (GetBitmapData() ? GetBitmapData()->m_nQuality : 0); } + + void SetQuality(int nQ); + + wxPalette* GetPalette() const + { return (GetBitmapData() ? (& GetBitmapData()->m_vBitmapPalette) : NULL); } + + void SetPalette(const wxPalette& rPalette); + + inline wxMask* GetMask() const + { return (GetBitmapData() ? GetBitmapData()->m_pBitmapMask : NULL); } + + void SetMask(wxMask* pMask) ; + + // Implementation public: - int m_width; - int m_height; - int m_depth; - bool m_ok; - int m_numColors; - wxPalette m_bitmapPalette; - int m_quality; + inline void SetHBITMAP(WXHBITMAP hBmp) + { SetHandle((WXHANDLE)hBmp); } - WXHBITMAP m_hBitmap; - wxDC * m_selectedInto; // So bitmap knows whether it's been selected into + inline WXHBITMAP GetHBITMAP() const + { return (WXHBITMAP)GetHandle(); } - wxMask * m_bitmapMask; // Optional mask -}; + inline void SetSelectedInto(wxDC* pDc) + { if (GetBitmapData()) GetBitmapData()->m_pSelectedInto = pDc; } -#define M_BITMAPDATA ((wxBitmapRefData *)m_refData) + inline wxDC* GetSelectedInto() const + { return (GetBitmapData() ? GetBitmapData()->m_pSelectedInto : NULL); } -class WXDLLEXPORT wxBitmapHandler: public wxObject -{ - DECLARE_DYNAMIC_CLASS(wxBitmapHandler) -public: - wxBitmapHandler() { m_name = ""; m_extension = ""; m_type = 0; }; - - virtual bool Create(wxBitmap *bitmap, void *data, long flags, int width, int height, int depth = 1); - virtual bool LoadFile(wxBitmap *bitmap, const wxString& name, long flags, - int desiredWidth, int desiredHeight); - virtual bool SaveFile(wxBitmap *bitmap, const wxString& name, int type, const wxPalette *palette = NULL); - - inline void SetName(const wxString& name) { m_name = name; } - inline void SetExtension(const wxString& ext) { m_extension = ext; } - inline void SetType(long type) { m_type = type; } - inline wxString GetName() const { return m_name; } - inline wxString GetExtension() const { return m_extension; } - inline long GetType() const { return m_type; } -protected: - wxString m_name; - wxString m_extension; - long m_type; -}; + inline bool IsMono(void) const { return m_bIsMono; } -#define M_BITMAPHANDLERDATA ((wxBitmapRefData *)bitmap->GetRefData()) + // An OS/2 version that probably doesn't do anything like the msw version + wxBitmap GetBitmapForDC(wxDC& rDc) const; -class WXDLLEXPORT wxBitmap: public wxGDIObject -{ - DECLARE_DYNAMIC_CLASS(wxBitmap) +protected: + // common part of all ctors + void Init(); - friend class WXDLLEXPORT wxBitmapHandler; + inline virtual wxGDIImageRefData* CreateData() const + { return new wxBitmapRefData; } -public: - wxBitmap(); // Platform-specific - - // Copy constructors - wxBitmap(const wxBitmap& bitmap); - - // Initialize with raw data - wxBitmap(const char bits[], int width, int height, int depth = 1); - - // Initialize with XPM data - wxBitmap(char **data, wxControl *anItem = NULL); - - // Load a file or resource - wxBitmap(const wxString& name, long type = wxBITMAP_TYPE_BMP_RESOURCE); - - // New constructor for generalised creation from data - wxBitmap(void *data, long type, int width, int height, int depth = 1); - - // If depth is omitted, will create a bitmap compatible with the display - wxBitmap(int width, int height, int depth = -1); - ~wxBitmap(); - - virtual bool Create(int width, int height, int depth = -1); - virtual bool Create(void *data, long type, int width, int height, int depth = 1); - virtual bool LoadFile(const wxString& name, long type = wxBITMAP_TYPE_BMP_RESOURCE); - virtual bool SaveFile(const wxString& name, int type, const wxPalette *cmap = NULL); - - inline bool Ok() const { return (M_BITMAPDATA && M_BITMAPDATA->m_ok); } - inline int GetWidth() const { return (M_BITMAPDATA ? M_BITMAPDATA->m_width : 0); } - inline int GetHeight() const { return (M_BITMAPDATA ? M_BITMAPDATA->m_height : 0); } - inline int GetDepth() const { return (M_BITMAPDATA ? M_BITMAPDATA->m_depth : 0); } - inline int GetQuality() const { return (M_BITMAPDATA ? M_BITMAPDATA->m_quality : 0); } - void SetWidth(int w); - void SetHeight(int h); - void SetDepth(int d); - void SetQuality(int q); - void SetOk(bool isOk); - -#if WXWIN_COMPATIBILITY - inline wxPalette *GetColourMap(void) const { return GetPalette(); } - void SetColourMap(wxPalette *cmap) { SetPalette(*cmap); }; -#endif - inline wxPalette* GetPalette() const { return (M_BITMAPDATA ? (& M_BITMAPDATA->m_bitmapPalette) : (wxPalette*) NULL); } - void SetPalette(const wxPalette& palette); + bool CreateFromImage(const wxImage& image, int depth); - inline wxMask *GetMask() const { return (M_BITMAPDATA ? M_BITMAPDATA->m_bitmapMask : (wxMask*) NULL); } - void SetMask(wxMask *mask) ; + virtual wxGDIRefData *CloneGDIRefData(const wxGDIRefData *data) const; - inline wxBitmap& operator = (const wxBitmap& bitmap) { if (*this == bitmap) return (*this); Ref(bitmap); return *this; } +private: + bool CopyFromIconOrCursor(const wxGDIImage& rIcon); - inline bool operator == (const wxBitmap& bitmap) { return m_refData == bitmap.m_refData; } - inline bool operator != (const wxBitmap& bitmap) { return m_refData != bitmap.m_refData; } + bool m_bIsMono; + DECLARE_DYNAMIC_CLASS(wxBitmap) +}; // end of CLASS wxBitmap - // Format handling - static inline wxList& GetHandlers() { return sm_handlers; } - static void AddHandler(wxBitmapHandler *handler); - static void InsertHandler(wxBitmapHandler *handler); - static bool RemoveHandler(const wxString& name); - static wxBitmapHandler *FindHandler(const wxString& name); - static wxBitmapHandler *FindHandler(const wxString& extension, long bitmapType); - static wxBitmapHandler *FindHandler(long bitmapType); +// ---------------------------------------------------------------------------- +// wxMask: a mono bitmap used for drawing bitmaps transparently. +// ---------------------------------------------------------------------------- + +class WXDLLIMPEXP_CORE wxMask : public wxObject +{ +public: + wxMask(); + wxMask( const wxMask& tocopy); + + // Construct a mask from a bitmap and a colour indicating the transparent + // area + wxMask( const wxBitmap& rBitmap + ,const wxColour& rColour + ); + + // Construct a mask from a bitmap and a palette index indicating the + // transparent area + wxMask( const wxBitmap& rBitmap + ,int nPaletteIndex + ); + + // Construct a mask from a mono bitmap (copies the bitmap). + wxMask(const wxBitmap& rBitmap); + + // construct a mask from the givne bitmap handle + wxMask(WXHBITMAP hBmp) + { m_hMaskBitmap = hBmp; } + + virtual ~wxMask(); + + bool Create( const wxBitmap& bitmap + ,const wxColour& rColour + ); + bool Create( const wxBitmap& rBitmap + ,int nPaletteIndex + ); + bool Create(const wxBitmap& rBitmap); + + // Implementation + WXHBITMAP GetMaskBitmap() const + { return m_hMaskBitmap; } + void SetMaskBitmap(WXHBITMAP hBmp) + { m_hMaskBitmap = hBmp; } - static void InitStandardHandlers(); - static void CleanUpHandlers(); protected: - static wxList sm_handlers; + WXHBITMAP m_hMaskBitmap; + DECLARE_DYNAMIC_CLASS(wxMask) +}; // end of CLASS wxMask + +// ---------------------------------------------------------------------------- +// wxBitmapHandler is a class which knows how to load/save bitmaps to/from file +// ---------------------------------------------------------------------------- - // Implementation +class WXDLLIMPEXP_CORE wxBitmapHandler : public wxGDIImageHandler +{ public: - void SetHBITMAP(WXHBITMAP bmp); - inline WXHBITMAP GetHBITMAP() const { return (M_BITMAPDATA ? M_BITMAPDATA->m_hBitmap : 0); } - inline void SetSelectedInto(wxDC *dc) { if (M_BITMAPDATA) M_BITMAPDATA->m_selectedInto = dc; } - inline wxDC *GetSelectedInto(void) const { return (M_BITMAPDATA ? M_BITMAPDATA->m_selectedInto : (wxDC*) NULL); } - bool FreeResource(bool force = FALSE); - - // Creates a bitmap that matches the device context's depth, from - // an arbitray bitmap. At present, the original bitmap must have an - // associated palette. (TODO: use a default palette if no palette exists.) - // This function is necessary for you to Blit an arbitrary bitmap (which may have - // the wrong depth). wxDC::SelectObject will compare the depth of the bitmap - // with the DC's depth, and create a new bitmap if the depths differ. - // Eventually we should perhaps make this a public API function so that - // an app can efficiently produce bitmaps of the correct depth. - // The Windows solution is to use SetDibBits to blit an arbotrary DIB directly to a DC, but - // this is too Windows-specific, hence this solution of quietly converting the wxBitmap. - // Contributed by Frederic Villeneuve - wxBitmap GetBitmapForDC(wxDC& dc) const; -}; + inline wxBitmapHandler() + { m_lType = wxBITMAP_TYPE_INVALID; } + + inline wxBitmapHandler( const wxString& rName + ,const wxString& rExt + ,wxBitmapType lType + ) + : wxGDIImageHandler( rName + ,rExt + ,lType) + { + } + + // keep wxBitmapHandler derived from wxGDIImageHandler compatible with the + // old class which worked only with bitmaps + virtual bool Create( wxBitmap* pBitmap + ,const void* pData + ,wxBitmapType lType + ,int nWidth + ,int nHeight + ,int nDepth = 1 + ); + virtual bool LoadFile( wxBitmap* pBitmap + ,int nId + ,wxBitmapType lType + ,int nDesiredWidth + ,int nDesiredHeight + ); + virtual bool LoadFile( wxBitmap* pBitmap + ,const wxString& rName + ,wxBitmapType lType + ,int nDesiredWidth + ,int nDesiredHeight + ); + virtual bool SaveFile( wxBitmap* pBitmap + ,const wxString& rName + ,wxBitmapType lType + ,const wxPalette* pPalette = NULL + ) const; + + virtual bool Create( wxGDIImage* pImage + ,const void* pData + ,wxBitmapType lFlags + ,int nWidth + ,int nHeight + ,int nDepth = 1 + ); + virtual bool Load( wxGDIImage* pImage + ,int nId + ,wxBitmapType lFlags + ,int nDesiredWidth + ,int nDesiredHeight + ); + virtual bool Save( const wxGDIImage* pImage + ,const wxString& rName + ,wxBitmapType lType + ) const; +private: + inline virtual bool Load( wxGDIImage* WXUNUSED(pImage) + ,const wxString& WXUNUSED(rName) + ,WXHANDLE WXUNUSED(hPs) + ,wxBitmapType WXUNUSED(lFlags) + ,int WXUNUSED(nDesiredWidth) + ,int WXUNUSED(nDesiredHeight) + ) + { return false; } + DECLARE_DYNAMIC_CLASS(wxBitmapHandler) +}; // end of CLASS wxBitmapHandler + #endif // _WX_BITMAP_H_