X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/6d51f2202930063f397b8fd9a892bc5229963a91..185448a8647d1a16ded5c801f0ae19ffc7ce055d:/include/wx/msw/bitmap.h diff --git a/include/wx/msw/bitmap.h b/include/wx/msw/bitmap.h index 85f7b683c5..0daef6ee89 100644 --- a/include/wx/msw/bitmap.h +++ b/include/wx/msw/bitmap.h @@ -20,47 +20,20 @@ #include "wx/gdicmn.h" #include "wx/palette.h" -class WXDLLEXPORT wxDC; -class WXDLLEXPORT wxControl; class WXDLLEXPORT wxBitmap; class WXDLLEXPORT wxBitmapHandler; -class WXDLLEXPORT wxIcon; -class WXDLLEXPORT wxMask; -class WXDLLEXPORT wxCursor; +class WXDLLEXPORT wxBitmapRefData; class WXDLLEXPORT wxControl; +class WXDLLEXPORT wxCursor; +class WXDLLEXPORT wxDC; +#if wxUSE_WXDIB +class WXDLLEXPORT wxDIB; +#endif +class WXDLLEXPORT wxIcon; class WXDLLEXPORT wxImage; - -// ---------------------------------------------------------------------------- -// Bitmap data -// -// NB: this class is private, but declared here to make it possible inline -// wxBitmap functions accessing it -// ---------------------------------------------------------------------------- - -class WXDLLEXPORT wxBitmapRefData : public wxGDIImageRefData -{ -public: - wxBitmapRefData(); - virtual ~wxBitmapRefData() { Free(); } - - virtual void Free(); - -public: - int m_numColors; - wxPalette m_bitmapPalette; - int m_quality; - - // MSW-specific - // ------------ - - // this field is solely for error checking: we detect selecting a bitmap - // into more than one DC at once or deleting a bitmap still selected into a - // DC (both are serious programming errors under Windows) - wxDC *m_selectedInto; - - // optional mask for transparent drawing - wxMask *m_bitmapMask; -}; +class WXDLLEXPORT wxMask; +class WXDLLEXPORT wxPalette; +class WXDLLEXPORT wxPixelDataBase; // ---------------------------------------------------------------------------- // wxBitmap: a mono or colour bitmap @@ -88,13 +61,24 @@ public: // 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 + // Create a new, uninitialized bitmap of the given size and depth (if it + // is omitted, will create a bitmap compatible with the display) + // + // NB: this ctor will create a DIB for 24 and 32bpp bitmaps, use ctor + // taking a DC argument if you want to force using DDB in this case wxBitmap(int width, int height, int depth = -1); + // Create a bitmap compatible with the given DC + wxBitmap(int width, int height, const wxDC& dc); + #if wxUSE_IMAGE - // Convert from wxImage: + // Convert from wxImage wxBitmap(const wxImage& image, int depth = -1) { (void)CreateFromImage(image, depth); } + + // Create a DDB compatible with the given DC from wxImage + wxBitmap(const wxImage& image, const wxDC& dc) + { (void)CreateFromImage(image, dc); } #endif // wxUSE_IMAGE // we must have this, otherwise icons are silently copied into bitmaps using @@ -137,69 +121,91 @@ public: // copies the contents and mask of the given cursor to the bitmap bool CopyFromCursor(const wxCursor& cursor); +#if wxUSE_WXDIB + // copies from a device independent bitmap + bool CopyFromDIB(const wxDIB& dib); +#endif + virtual bool Create(int width, int height, int depth = -1); + virtual bool Create(int width, int height, const wxDC& dc); 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); - wxBitmapRefData *GetBitmapData() const { return (wxBitmapRefData *)m_refData; } + wxBitmapRefData *GetBitmapData() const + { return (wxBitmapRefData *)m_refData; } - int GetQuality() const { return (GetBitmapData() ? GetBitmapData()->m_quality : 0); } - void SetQuality(int q); + // raw bitmap access support functions + void *GetRawData(wxPixelDataBase& data, int bpp); + void UngetRawData(wxPixelDataBase& data); - wxPalette* GetPalette() const { return (GetBitmapData() ? (& GetBitmapData()->m_bitmapPalette) : (wxPalette*) NULL); } +#if wxUSE_PALETTE + wxPalette* GetPalette() const; void SetPalette(const wxPalette& palette); +#endif // wxUSE_PALETTE - wxMask *GetMask() const { return (GetBitmapData() ? GetBitmapData()->m_bitmapMask : (wxMask*) NULL); } - void SetMask(wxMask *mask) ; + wxMask *GetMask() const; + void SetMask(wxMask *mask); bool operator==(const wxBitmap& bitmap) const { return m_refData == bitmap.m_refData; } bool operator!=(const wxBitmap& bitmap) const { return m_refData != bitmap.m_refData; } + // these functions are internal and shouldn't be used, they risk to + // disappear in the future + bool HasAlpha() const; + void UseAlpha(); + +#if WXWIN_COMPATIBILITY_2_4 + // these functions do nothing and are only there for backwards + // compatibility + wxDEPRECATED( int GetQuality() const ); + wxDEPRECATED( void SetQuality(int quality) ); +#endif // WXWIN_COMPATIBILITY_2_4 + #if WXWIN_COMPATIBILITY_2 void SetOk(bool isOk); #endif // WXWIN_COMPATIBILITY_2 #if WXWIN_COMPATIBILITY +#if wxUSE_PALETTE wxPalette *GetColourMap() const { return GetPalette(); } void SetColourMap(wxPalette *cmap) { SetPalette(*cmap); }; +#endif // wxUSE_PALETTE #endif // WXWIN_COMPATIBILITY - // Implementation + // implementation only from now on + // ------------------------------- + public: void SetHBITMAP(WXHBITMAP bmp) { SetHandle((WXHANDLE)bmp); } WXHBITMAP GetHBITMAP() const { return (WXHBITMAP)GetHandle(); } - void SetSelectedInto(wxDC *dc) { if (GetBitmapData()) GetBitmapData()->m_selectedInto = dc; } - wxDC *GetSelectedInto() const { return (GetBitmapData() ? GetBitmapData()->m_selectedInto : (wxDC*) NULL); } - - // 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; +#ifdef __WXDEBUG__ + void SetSelectedInto(wxDC *dc); + wxDC *GetSelectedInto() const; +#endif // __WXDEBUG__ protected: // common part of all ctors void Init(); - virtual wxGDIImageRefData *CreateData() const - { return new wxBitmapRefData; } + virtual wxGDIImageRefData *CreateData() const; // creates the bitmap from XPM data, supposed to be called from ctor bool CreateFromXpm(const char **bits); + // creates an uninitialized bitmap, called from Create()s above + bool DoCreate(int w, int h, int depth, WXHDC hdc); + #if wxUSE_IMAGE // creates the bitmap from wxImage, supposed to be called from ctor bool CreateFromImage(const wxImage& image, int depth); + + // creates a DDB from wxImage, supposed to be called from ctor + bool CreateFromImage(const wxImage& image, const wxDC& dc); + + // common part of the 2 methods above (hdc may be 0) + bool CreateFromImage(const wxImage& image, int depth, WXHDC hdc); #endif // wxUSE_IMAGE private: