fixing cases for mac / quickdraw

[wxWidgets.git] / include / wx / bitmap.h

diff --git a/include/wx/bitmap.h b/include/wx/bitmap.h
index b3cf33ce7f97f134ada612b684156fc808ef48f6..1e39569846e8944e46fccd6b0a85b44fa165bb25 100644 (file)
--- a/include/wx/bitmap.h
+++ b/include/wx/bitmap.h
@@ -1,13 +1,243 @@
-#ifndef __BITMAPH_BASE__
-#define __BITMAPH_BASE__
+///////////////////////////////////////////////////////////////////////////////
+// Name:        wx/bitmap.h
+// Purpose:     wxBitmap class interface
+// Author:      Vaclav Slavik
+// Modified by:
+// Created:     22.04.01
+// RCS-ID:      $Id$
+// Copyright:   (c) wxWidgets team
+// Licence:     wxWindows licence
+///////////////////////////////////////////////////////////////////////////////

 
 

-#if defined(__WINDOWS__)
-#include "wx/msw/bitmap.h"
-#elif defined(__MOTIF__)
-#include "wx/xt/bitmap.h"
-#elif defined(__GTK__)
-#include "wx/gtk/bitmap.h"
+#ifndef _WX_BITMAP_H_BASE_
+#define _WX_BITMAP_H_BASE_
+
+// ----------------------------------------------------------------------------
+// headers
+// ----------------------------------------------------------------------------
+
+#include "wx/string.h"
+#include "wx/gdicmn.h"  // for wxBitmapType
+#include "wx/colour.h"
+
+class WXDLLIMPEXP_FWD_CORE wxBitmap;
+class WXDLLIMPEXP_FWD_CORE wxBitmapHandler;
+class WXDLLIMPEXP_FWD_CORE wxIcon;
+class WXDLLIMPEXP_FWD_CORE wxImage;
+class WXDLLIMPEXP_FWD_CORE wxMask;
+class WXDLLIMPEXP_FWD_CORE wxPalette;
+
+// ----------------------------------------------------------------------------
+// wxVariant support
+// ----------------------------------------------------------------------------
+
+#if wxUSE_VARIANT
+#include "wx/variant.h"
+DECLARE_VARIANT_OBJECT_EXPORTED(wxBitmap,WXDLLEXPORT)

 #endif
 
 #endif
 

+// ----------------------------------------------------------------------------
+// wxMask represents the transparent area of the bitmap
+// ----------------------------------------------------------------------------
+
+class WXDLLEXPORT wxMaskBase : public wxObject
+{
+public:
+    // create the mask from bitmap pixels of the given colour
+    bool Create(const wxBitmap& bitmap, const wxColour& colour);
+
+#if wxUSE_PALETTE
+    // create the mask from bitmap pixels with the given palette index
+    bool Create(const wxBitmap& bitmap, int paletteIndex);
+#endif // wxUSE_PALETTE
+
+    // create the mask from the given mono bitmap
+    bool Create(const wxBitmap& bitmap);
+
+protected:
+    // this function is called from Create() to free the existing mask data
+    virtual void FreeData() = 0;
+
+    // these functions must be overridden to implement the corresponding public
+    // Create() methods, they shouldn't call FreeData() as it's already called
+    // by the public wrappers
+    virtual bool InitFromColour(const wxBitmap& bitmap,
+                                const wxColour& colour) = 0;
+    virtual bool InitFromMonoBitmap(const wxBitmap& bitmap) = 0;
+};
+
+#if defined(__WXMGL__) || \
+    defined(__WXDFB__) || \
+    defined(__WXMAC__) || \
+    defined(__WXGTK__) || \
+    defined(__WXCOCOA__) || \
+    defined(__WXMOTIF__) || \
+    defined(__WXX11__)
+    #define wxUSE_BITMAP_BASE 1
+#else
+    #define wxUSE_BITMAP_BASE 0

 #endif
 #endif

-    // __BITMAPH_BASE__
+
+// Only used by some ports
+// FIXME -- make all ports (but MSW which uses wxGDIImage) use these base classes
+#if wxUSE_BITMAP_BASE
+
+// ----------------------------------------------------------------------------
+// wxBitmapHandler: class which knows how to create/load/save bitmaps in
+// different formats
+// ----------------------------------------------------------------------------
+
+class WXDLLEXPORT wxBitmapHandlerBase : public wxObject
+{
+public:
+    wxBitmapHandlerBase() { m_type = wxBITMAP_TYPE_INVALID; }
+    virtual ~wxBitmapHandlerBase() { }
+
+    virtual bool Create(wxBitmap *bitmap, const 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(const wxBitmap *bitmap, const wxString& name,
+                          int type, const wxPalette *palette = NULL);
+
+    void SetName(const wxString& name)      { m_name = name; }
+    void SetExtension(const wxString& ext)  { m_extension = ext; }
+    void SetType(wxBitmapType type)         { m_type = type; }
+    const wxString& GetName() const         { return m_name; }
+    const wxString& GetExtension() const    { return m_extension; }
+    wxBitmapType GetType() const            { return m_type; }
+
+private:
+    wxString      m_name;
+    wxString      m_extension;
+    wxBitmapType  m_type;
+
+    DECLARE_ABSTRACT_CLASS(wxBitmapHandlerBase)
+};
+
+class WXDLLEXPORT wxBitmapBase : public wxGDIObject
+{
+public:
+    /*
+    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* const* bits);
+    wxBitmap(const wxString &filename, wxBitmapType type = wxBITMAP_TYPE_XPM);
+    wxBitmap(const wxImage& image, int depth = -1);
+
+    bool Create(int width, int height, int depth = -1);
+
+    static void InitStandardHandlers();
+    */
+
+    virtual bool Ok() const { return IsOk(); }
+    virtual bool IsOk() const = 0;
+
+    virtual int GetHeight() const = 0;
+    virtual int GetWidth() const = 0;
+    virtual int GetDepth() const = 0;
+
+#if wxUSE_IMAGE
+    virtual wxImage ConvertToImage() const = 0;
+#endif // wxUSE_IMAGE
+
+    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();
+
+    // this method is only used by the generic implementation of wxMask
+    // currently but could be useful elsewhere in the future: it can be
+    // overridden to quantize the colour to correspond to bitmap colour depth
+    // if necessary; default implementation simply returns the colour as is
+    virtual wxColour QuantizeColour(const wxColour& colour) const
+    {
+        return colour;
+    }
+
+protected:
+    static wxList sm_handlers;
+
+    DECLARE_ABSTRACT_CLASS(wxBitmapBase)
+};
+
+#endif // wxUSE_BITMAP_BASE
+
+#if defined(__WXPALMOS__)
+    #include "wx/palmos/bitmap.h"
+#elif defined(__WXMSW__)
+    #include "wx/msw/bitmap.h"
+#elif defined(__WXMOTIF__)
+    #include "wx/x11/bitmap.h"
+#elif defined(__WXGTK20__)
+    #include "wx/gtk/bitmap.h"
+#elif defined(__WXGTK__)
+    #include "wx/gtk1/bitmap.h"
+#elif defined(__WXX11__)
+    #include "wx/x11/bitmap.h"
+#elif defined(__WXMGL__)
+    #include "wx/mgl/bitmap.h"
+#elif defined(__WXDFB__)
+    #include "wx/dfb/bitmap.h"
+#elif defined(__WXMAC__)
+    #include "wx/mac/bitmap.h"
+#elif defined(__WXCOCOA__)
+    #include "wx/cocoa/bitmap.h"
+#elif defined(__WXPM__)
+    #include "wx/os2/bitmap.h"
+#endif
+
+// we must include generic mask.h after wxBitmap definition
+#if defined(__WXMGL__) || defined(__WXDFB__)
+    #define wxUSE_GENERIC_MASK 1
+#else
+    #define wxUSE_GENERIC_MASK 0
+#endif
+
+#if wxUSE_GENERIC_MASK
+    #include "wx/generic/mask.h"
+#endif
+
+#endif // _WX_BITMAP_H_BASE_