+// ----------------------------------------------------------------------------
+// headers
+// ----------------------------------------------------------------------------
+
+#if defined(__GNUG__) && !defined(__APPLE__)
+ #pragma interface "bitmapbase.h"
+#endif
+
+#include "wx/defs.h"
+#include "wx/object.h"
+#include "wx/string.h"
+#include "wx/gdiobj.h"
+#include "wx/gdicmn.h" // for wxBitmapType
+
+class WXDLLEXPORT wxBitmap;
+class WXDLLEXPORT wxBitmapHandler;
+class WXDLLEXPORT wxImage;
+class WXDLLEXPORT wxMask;
+class WXDLLEXPORT wxPalette;
+
+#if defined(__WXMGL__) || defined(__WXMAC__) || defined(__WXCOCOA__) || defined(__WXMOTIF__) || defined(__WXX11__)
+// Only used by some ports
+// FIXME -- make all ports (but MSW which uses wxGDIImage) use these base classes
+
+// ----------------------------------------------------------------------------
+// wxBitmapHandler: class which knows how to create/load/save bitmaps in
+// different formats
+// ----------------------------------------------------------------------------
+
+class WXDLLEXPORT wxBitmapHandlerBase : public wxObject
+{
+public:
+ wxBitmapHandlerBase()
+ : m_name()
+ , m_extension()
+ , m_type(wxBITMAP_TYPE_INVALID)
+ { }
+
+ virtual ~wxBitmapHandlerBase() { }
+
+ virtual bool Create(wxBitmap *bitmap, void *data, long flags,
+ int width, int height, int depth = 1) = 0;
+ virtual bool LoadFile(wxBitmap *bitmap, const wxString& name, long flags,
+ int desiredWidth, int desiredHeight) = 0;
+ virtual bool SaveFile(const wxBitmap *bitmap, const wxString& name,
+ int type, const wxPalette *palette = NULL) = 0;
+
+ void SetName(const wxString& name) { m_name = name; }
+ void SetExtension(const wxString& ext) { m_extension = ext; }
+ void SetType(wxBitmapType type) { m_type = type; }
+ wxString GetName() const { return m_name; }
+ wxString GetExtension() const { return m_extension; }
+ wxBitmapType GetType() const { return m_type; }
+
+protected:
+ wxString m_name;
+ wxString m_extension;
+ wxBitmapType m_type;
+
+ DECLARE_ABSTRACT_CLASS(wxBitmapHandlerBase)
+};
+
+class WXDLLEXPORT wxBitmapBase : public wxGDIObject
+{
+public:
+ wxBitmapBase() : wxGDIObject() {}
+ virtual ~wxBitmapBase() {}
+
+ /*
+ Derived class must implement these:
+
+ wxBitmap();
+ wxBitmap(int width, int height, int depth = -1);
+ wxBitmap(const char bits[], int width, int height, int depth = 1);
+ wxBitmap(const char **bits);
+ wxBitmap(char **bits);
+ wxBitmap(const wxBitmap& bmp);
+ wxBitmap(const wxString &filename, wxBitmapType type = wxBITMAP_TYPE_XPM);
+ wxBitmap(const wxImage& image, int depth = -1);
+ wxBitmap& operator = (const wxBitmap& bmp);
+ bool operator == (const wxBitmap& bmp) const;
+ bool operator != (const wxBitmap& bmp) const;
+
+ bool Create(int width, int height, int depth = -1);
+
+ static void InitStandardHandlers();
+ */
+
+ virtual bool Ok() const = 0;
+
+ virtual int GetHeight() const = 0;
+ virtual int GetWidth() const = 0;
+ virtual int GetDepth() const = 0;
+
+ virtual wxImage ConvertToImage() const = 0;
+
+ virtual wxMask *GetMask() const = 0;
+ virtual void SetMask(wxMask *mask) = 0;
+
+ virtual wxBitmap GetSubBitmap(const wxRect& rect) const = 0;
+
+ virtual bool SaveFile(const wxString &name, wxBitmapType type,
+ const wxPalette *palette = (wxPalette *)NULL) const = 0;
+ virtual bool LoadFile(const wxString &name, wxBitmapType type) = 0;
+
+ /*
+ If raw bitmap access is supported (see wx/rawbmp.h), the following
+ methods should be implemented:
+
+ virtual bool GetRawData(wxRawBitmapData *data) = 0;
+ virtual void UngetRawData(wxRawBitmapData *data) = 0;
+ */
+
+#if wxUSE_PALETTE
+ virtual wxPalette *GetPalette() const = 0;
+ virtual void SetPalette(const wxPalette& palette) = 0;
+#endif // wxUSE_PALETTE
+
+ // copies the contents and mask of the given (colour) icon to the bitmap
+ virtual bool CopyFromIcon(const wxIcon& icon) = 0;
+
+ // implementation:
+ virtual void SetHeight(int height) = 0;
+ virtual void SetWidth(int width) = 0;
+ virtual void SetDepth(int depth) = 0;
+
+ // Format handling
+ static inline wxList& GetHandlers() { return sm_handlers; }
+ static void AddHandler(wxBitmapHandlerBase *handler);
+ static void InsertHandler(wxBitmapHandlerBase *handler);
+ static bool RemoveHandler(const wxString& name);
+ static wxBitmapHandler *FindHandler(const wxString& name);
+ static wxBitmapHandler *FindHandler(const wxString& extension, wxBitmapType bitmapType);
+ static wxBitmapHandler *FindHandler(wxBitmapType bitmapType);
+
+ //static void InitStandardHandlers();
+ // (wxBitmap must implement this one)
+
+ static void CleanUpHandlers();
+
+protected:
+ static wxList sm_handlers;
+
+ DECLARE_ABSTRACT_CLASS(wxBitmapBase)
+};
+#endif
+
projects / wxWidgets.git / blobdiff