Better compatibility with old files when creating an image cache

[wxWidgets.git] / src / common / bmpbase.cpp

diff --git a/src/common/bmpbase.cpp b/src/common/bmpbase.cpp
index 86a9341ee271ef8416be6a2d2aeee88d12048d9e..46804febbd8436d329f880f9098bb8f17fd92500 100644 (file)
--- a/src/common/bmpbase.cpp
+++ b/src/common/bmpbase.cpp
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        bitmap.cpp
+// Name:        src/common/bmpbase.cpp
 // Purpose:     wxBitmapBase
 // Author:      VaclavSlavik
 // Created:     2001/04/11
@@ -8,10 +8,6 @@
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
-#ifdef __GNUG__
-#pragma implementation "bitmapbase.h"
-#endif
-
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
@@ -19,29 +15,84 @@
     #pragma hdrstop
 #endif
 
-#if defined(__WXMGL__) || defined(__WXMAC__)
-
-#include "wx/wx.h"
-#include "wx/setup.h"
-#include "wx/utils.h"
-#include "wx/palette.h"
 #include "wx/bitmap.h"
-#include "wx/icon.h"
-#include "wx/log.h"
-#include "wx/image.h"
-#include "wx/module.h"
+
+#ifndef WX_PRECOMP
+    #include "wx/colour.h"
+    #include "wx/icon.h"
+    #include "wx/image.h"
+#endif // WX_PRECOMP
+
+#if wxUSE_IMAGE && wxUSE_LIBPNG && wxUSE_STREAMS
+    #define wxHAS_PNG_LOAD
+
+    #include "wx/mstream.h"
+#endif
+
+// ----------------------------------------------------------------------------
+// wxVariant support
+// ----------------------------------------------------------------------------
+
+#if wxUSE_VARIANT
+IMPLEMENT_VARIANT_OBJECT_EXPORTED_SHALLOWCMP(wxBitmap,WXDLLEXPORT)
+IMPLEMENT_VARIANT_OBJECT_EXPORTED_SHALLOWCMP(wxIcon,WXDLLEXPORT)
+#endif
+
+#if wxUSE_EXTENDED_RTTI
+//WX_IMPLEMENT_ANY_VALUE_TYPE(wxAnyValueTypeImpl<wxBitmap>)
+//WX_IMPLEMENT_ANY_VALUE_TYPE(wxAnyValueTypeImpl<wxIcon>)
+#endif
+
+// ----------------------------------------------------------------------------
+// wxBitmapHelpers
+// ----------------------------------------------------------------------------
+
+// wxOSX has a native version and doesn't use this one.
+
+#ifndef __WXOSX__
+
+/* static */
+wxBitmap wxBitmapHelpers::NewFromPNGData(const void* data, size_t size)
+{
+    wxBitmap bitmap;
+
+#ifdef wxHAS_PNG_LOAD
+    wxMemoryInputStream is(data, size);
+    wxImage image(is, wxBITMAP_TYPE_PNG);
+    if ( image.IsOk() )
+        bitmap = wxBitmap(image);
+#endif // wxHAS_PNG_LOAD
+
+    return bitmap;
+}
+
+#endif // !__WXOSX__
+
+// ----------------------------------------------------------------------------
+// wxBitmapBase
+// ----------------------------------------------------------------------------
+
+#if wxUSE_BITMAP_BASE
+
+#ifndef WX_PRECOMP
+    #include "wx/log.h"
+    #include "wx/utils.h"
+    #include "wx/palette.h"
+    #include "wx/module.h"
+#endif // WX_PRECOMP
+
 
 IMPLEMENT_ABSTRACT_CLASS(wxBitmapBase, wxGDIObject)
-IMPLEMENT_ABSTRACT_CLASS(wxBitmapHandlerBase,wxObject)
+IMPLEMENT_ABSTRACT_CLASS(wxBitmapHandler, wxObject)
 
 wxList wxBitmapBase::sm_handlers;
 
-void wxBitmapBase::AddHandler(wxBitmapHandlerBase *handler)
+void wxBitmapBase::AddHandler(wxBitmapHandler *handler)
 {
     sm_handlers.Append(handler);
 }
 
-void wxBitmapBase::InsertHandler(wxBitmapHandlerBase *handler)
+void wxBitmapBase::InsertHandler(wxBitmapHandler *handler)
 {
     sm_handlers.Insert(handler);
 }
@@ -52,61 +103,61 @@ bool wxBitmapBase::RemoveHandler(const wxString& name)
     if ( handler )
     {
         sm_handlers.DeleteObject(handler);
-        return TRUE;
+        return true;
     }
     else
-        return FALSE;
+        return false;
 }
 
 wxBitmapHandler *wxBitmapBase::FindHandler(const wxString& name)
 {
-    wxNode *node = sm_handlers.First();
+    wxList::compatibility_iterator node = sm_handlers.GetFirst();
     while ( node )
     {
-        wxBitmapHandler *handler = (wxBitmapHandler *)node->Data();
+        wxBitmapHandler *handler = (wxBitmapHandler *)node->GetData();
         if ( handler->GetName() == name )
             return handler;
-        node = node->Next();
+        node = node->GetNext();
     }
     return NULL;
 }
 
 wxBitmapHandler *wxBitmapBase::FindHandler(const wxString& extension, wxBitmapType bitmapType)
 {
-    wxNode *node = sm_handlers.First();
+    wxList::compatibility_iterator node = sm_handlers.GetFirst();
     while ( node )
     {
-        wxBitmapHandler *handler = (wxBitmapHandler *)node->Data();
+        wxBitmapHandler *handler = (wxBitmapHandler *)node->GetData();
         if ( handler->GetExtension() == extension &&
-                    (bitmapType == -1 || handler->GetType() == bitmapType) )
+                    (bitmapType == wxBITMAP_TYPE_ANY || handler->GetType() == bitmapType) )
             return handler;
-        node = node->Next();
+        node = node->GetNext();
     }
     return NULL;
 }
 
 wxBitmapHandler *wxBitmapBase::FindHandler(wxBitmapType bitmapType)
 {
-    wxNode *node = sm_handlers.First();
+    wxList::compatibility_iterator node = sm_handlers.GetFirst();
     while ( node )
     {
-        wxBitmapHandler *handler = (wxBitmapHandler *)node->Data();
+        wxBitmapHandler *handler = (wxBitmapHandler *)node->GetData();
         if (handler->GetType() == bitmapType)
             return handler;
-        node = node->Next();
+        node = node->GetNext();
     }
     return NULL;
 }
 
 void wxBitmapBase::CleanUpHandlers()
 {
-    wxNode *node = sm_handlers.First();
+    wxList::compatibility_iterator node = sm_handlers.GetFirst();
     while ( node )
     {
-        wxBitmapHandler *handler = (wxBitmapHandler *)node->Data();
-        wxNode *next = node->Next();
+        wxBitmapHandler *handler = (wxBitmapHandler *)node->GetData();
+        wxList::compatibility_iterator next = node->GetNext();
         delete handler;
-        delete node;
+        sm_handlers.Erase(node);
         node = next;
     }
 }
@@ -116,11 +167,66 @@ class wxBitmapBaseModule: public wxModule
 DECLARE_DYNAMIC_CLASS(wxBitmapBaseModule)
 public:
     wxBitmapBaseModule() {}
-    bool OnInit() { wxBitmap::InitStandardHandlers(); return TRUE; };
-    void OnExit() { wxBitmap::CleanUpHandlers(); };
+    bool OnInit() { wxBitmap::InitStandardHandlers(); return true; }
+    void OnExit() { wxBitmap::CleanUpHandlers(); }
 };
 
 IMPLEMENT_DYNAMIC_CLASS(wxBitmapBaseModule, wxModule)
 
-#endif // defined(__WXMGL__) || defined(__WXMAC__)
+#endif // wxUSE_BITMAP_BASE
+
+// ----------------------------------------------------------------------------
+// wxBitmap common
+// ----------------------------------------------------------------------------
+
+#if !(defined(__WXGTK__) || defined(__WXMOTIF__) || defined(__WXX11__))
+
+wxBitmap::wxBitmap(const char* const* bits)
+{
+    wxCHECK2_MSG(bits != NULL, return, wxT("invalid bitmap data"));
+
+#if wxUSE_IMAGE && wxUSE_XPM
+    wxImage image(bits);
+    wxCHECK2_MSG(image.IsOk(), return, wxT("invalid bitmap data"));
+
+    *this = wxBitmap(image);
+#else
+    wxFAIL_MSG(wxT("creating bitmaps from XPMs not supported"));
+#endif // wxUSE_IMAGE && wxUSE_XPM
+}
+#endif // !(defined(__WXGTK__) || defined(__WXMOTIF__) || defined(__WXX11__))
+
+// ----------------------------------------------------------------------------
+// wxMaskBase
+// ----------------------------------------------------------------------------
+
+bool wxMaskBase::Create(const wxBitmap& bitmap, const wxColour& colour)
+{
+    FreeData();
+
+    return InitFromColour(bitmap, colour);
+}
+
+#if wxUSE_PALETTE
+
+bool wxMaskBase::Create(const wxBitmap& bitmap, int paletteIndex)
+{
+    wxPalette *pal = bitmap.GetPalette();
+
+    wxCHECK_MSG( pal, false,
+                 wxT("Cannot create mask from palette index of a bitmap without palette") );
+
+    unsigned char r,g,b;
+    pal->GetRGB(paletteIndex, &r, &g, &b);
 
+    return Create(bitmap, wxColour(r, g, b));
+}
+
+#endif // wxUSE_PALETTE
+
+bool wxMaskBase::Create(const wxBitmap& bitmap)
+{
+    FreeData();
+
+    return InitFromMonoBitmap(bitmap);
+}