adding measuring contexts, streamlining printing code

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

diff --git a/include/wx/gtk/bitmap.h b/include/wx/gtk/bitmap.h
index 6ad8ede7d6e56528fb57d28bbada6c42594bdbe5..e2dc786c5b2eceea3d041cc8212f679fd4093027 100644 (file)
--- a/include/wx/gtk/bitmap.h
+++ b/include/wx/gtk/bitmap.h
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        bitmap.h
+// Name:        wx/gtk/bitmap.h
 // Purpose:
 // Author:      Robert Roebling
 // RCS-ID:      $Id$
@@ -7,54 +7,38 @@
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
+#ifndef _WX_GTK_BITMAP_H_
+#define _WX_GTK_BITMAP_H_
 
-#ifndef __GTKBITMAPH__
-#define __GTKBITMAPH__
-
-#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
-#pragma interface
-#endif
-
-#include "wx/defs.h"
-#include "wx/object.h"
-#include "wx/string.h"
-#include "wx/palette.h"
-#include "wx/gdiobj.h"
-
-#ifdef __WXGTK20__
 typedef struct _GdkPixbuf GdkPixbuf;
-#endif
-
-//-----------------------------------------------------------------------------
-// classes
-//-----------------------------------------------------------------------------
-
-class wxMask;
-class wxBitmap;
-class wxImage;
+class WXDLLEXPORT wxPixelDataBase;
 
 //-----------------------------------------------------------------------------
 // wxMask
 //-----------------------------------------------------------------------------
 
-class wxMask: public wxObject
+class WXDLLIMPEXP_CORE wxMask: public wxObject
 {
 public:
     wxMask();
     wxMask( const wxBitmap& bitmap, const wxColour& colour );
+#if wxUSE_PALETTE
     wxMask( const wxBitmap& bitmap, int paletteIndex );
+#endif // wxUSE_PALETTE
     wxMask( const wxBitmap& bitmap );
-    ~wxMask();
-  
+    virtual ~wxMask();
+
     bool Create( const wxBitmap& bitmap, const wxColour& colour );
+#if wxUSE_PALETTE
     bool Create( const wxBitmap& bitmap, int paletteIndex );
+#endif // wxUSE_PALETTE
     bool Create( const wxBitmap& bitmap );
 
     // implementation
     GdkBitmap   *m_bitmap;
-    
+
     GdkBitmap *GetBitmap() const;
-  
+
 private:
     DECLARE_DYNAMIC_CLASS(wxMask)
 };
@@ -63,29 +47,32 @@ private:
 // wxBitmap
 //-----------------------------------------------------------------------------
 
-class wxBitmap: public wxBitmapBase
+class WXDLLIMPEXP_CORE wxBitmap: public wxBitmapBase
 {
 public:
-    wxBitmap();
+    wxBitmap() { }
     wxBitmap( int width, int height, int depth = -1 );
     wxBitmap( const char bits[], int width, int height, int depth = 1 );
-    wxBitmap( const char **bits ) { (void)CreateFromXpm(bits); }
-    wxBitmap( char **bits ) { (void)CreateFromXpm((const char **)bits); }
-    wxBitmap( const wxBitmap& bmp );
+    wxBitmap( const char* const* bits );
+#ifdef wxNEEDS_CHARPP
+    // needed for old GCC
+    wxBitmap(char** data)
+    {
+        *this = wxBitmap(wx_const_cast(const char* const*, data));
+    }
+#endif
     wxBitmap( const wxString &filename, wxBitmapType type = wxBITMAP_TYPE_XPM );
     wxBitmap( const wxImage& image, int depth = -1 ) { (void)CreateFromImage(image, depth); }
-    ~wxBitmap();
-    wxBitmap& operator = ( const wxBitmap& bmp );
-    bool operator == ( const wxBitmap& bmp ) const;
-    bool operator != ( const wxBitmap& bmp ) const;
-    bool Ok() const;
+    virtual ~wxBitmap();
+    bool Ok() const { return IsOk(); }
+    bool IsOk() const;
 
     bool Create(int width, int height, int depth = -1);
-    
+
     int GetHeight() const;
     int GetWidth() const;
     int GetDepth() const;
-    
+
     wxImage ConvertToImage() const;
 
     // copies the contents and mask of the given (colour) icon to the bitmap
@@ -93,7 +80,7 @@ public:
 
     wxMask *GetMask() const;
     void SetMask( wxMask *mask );
-    
+
     wxBitmap GetSubBitmap( const wxRect& rect ) const;
 
     bool SaveFile(const wxString &name, wxBitmapType type,
@@ -106,7 +93,7 @@ public:
     wxPalette *GetColourMap() const { return GetPalette(); };
 #endif // wxUSE_PALETTE
 
-    static void InitStandardHandlers() { }
+    static void InitStandardHandlers();
 
     // implementation
     // --------------
@@ -115,31 +102,32 @@ public:
     void SetWidth( int width );
     void SetDepth( int depth );
     void SetPixmap( GdkPixmap *pixmap );
-    void SetBitmap( GdkBitmap *bitmap );
-#ifdef __WXGTK20__
-    void SetPixbuf(GdkPixbuf *pixbuf);
-#endif
+    void SetPixbuf(GdkPixbuf* pixbuf, int depth = 0);
 
     GdkPixmap *GetPixmap() const;
-    GdkBitmap *GetBitmap() const;
     bool HasPixmap() const;
-#ifdef __WXGTK20__
     bool HasPixbuf() const;
     GdkPixbuf *GetPixbuf() const;
-#endif
-    
+
     // Basically, this corresponds to Win32 StretchBlt()
-    wxBitmap Rescale( int clipx, int clipy, int clipwidth, int clipheight, int width, int height );
+    wxBitmap Rescale(int clipx, int clipy, int clipwidth, int clipheight, int width, int height) const;
+
+    // raw bitmap access support functions
+    void *GetRawData(wxPixelDataBase& data, int bpp);
+    void UngetRawData(wxPixelDataBase& data);
+
+    bool HasAlpha() const;
+    void UseAlpha();
+
 protected:
-    bool CreateFromXpm(const char **bits);
     bool CreateFromImage(const wxImage& image, int depth);
 
+    virtual wxObjectRefData* CreateRefData() const;
+    virtual wxObjectRefData* CloneRefData(const wxObjectRefData* data) const;
+
 private:
     // to be called from CreateFromImage only!
-    bool CreateFromImageAsBitmap(const wxImage& image);
-    bool CreateFromImageAsPixmap(const wxImage& image);
-
-#ifdef __WXGTK20__
+    bool CreateFromImageAsPixmap(const wxImage& image, int depth);
     bool CreateFromImageAsPixbuf(const wxImage& image);
 
     enum Representation
@@ -152,9 +140,19 @@ private:
     void PurgeOtherRepresentations(Representation keep);
 
     friend class wxMemoryDC;
-#endif
-    
+    friend class wxBitmapHandler;
+
+private:
     DECLARE_DYNAMIC_CLASS(wxBitmap)
 };
 
-#endif // __GTKBITMAPH__
+//-----------------------------------------------------------------------------
+// wxBitmapHandler
+//-----------------------------------------------------------------------------
+
+class WXDLLIMPEXP_CORE wxBitmapHandler: public wxBitmapHandlerBase
+{
+    DECLARE_ABSTRACT_CLASS(wxBitmapHandler)
+};
+
+#endif // _WX_GTK_BITMAP_H_