Save the alpha values if the image has an alpha channel

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

diff --git a/src/common/variant.cpp b/src/common/variant.cpp
index 2a0982c6feb910ef84b9e9fa9b62998de4f29e76..79f7c116a79fc13c19b0293ddb89f9c6c46c9bf2 100644 (file)
--- a/src/common/variant.cpp
+++ b/src/common/variant.cpp
@@ -9,7 +9,7 @@
 // Licence:     wxWindows licence
 /////////////////////////////////////////////////////////////////////////////
 
-#ifdef __GNUG__
+#if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
 #pragma implementation "variant.h"
 #endif
 
@@ -44,13 +44,13 @@ using namespace std ;
 
 IMPLEMENT_ABSTRACT_CLASS(wxVariantData, wxObject)
 
-wxVariant WXDLLEXPORT wxNullVariant;
+wxVariant WXDLLIMPEXP_BASE wxNullVariant;
 
 /*
  * wxVariantDataList
  */
 
-class WXDLLEXPORT wxVariantDataList: public wxVariantData
+class WXDLLIMPEXP_BASE wxVariantDataList: public wxVariantData
 {
 DECLARE_DYNAMIC_CLASS(wxVariantDataList)
 public:
@@ -94,7 +94,7 @@ wxVariantDataList::~wxVariantDataList()
 void wxVariantDataList::SetValue(const wxList& value)
 {
     Clear();
-    wxNode* node = value.GetFirst();
+    wxList::compatibility_iterator node = value.GetFirst();
     while (node)
     {
         wxVariant* var = (wxVariant*) node->GetData();
@@ -105,7 +105,7 @@ void wxVariantDataList::SetValue(const wxList& value)
 
 void wxVariantDataList::Clear()
 {
-    wxNode* node = m_value.GetFirst();
+    wxList::compatibility_iterator node = m_value.GetFirst();
     while (node)
     {
         wxVariant* var = (wxVariant*) node->GetData();
@@ -122,7 +122,7 @@ void wxVariantDataList::Copy(wxVariantData& data)
     wxVariantDataList& listData = (wxVariantDataList&) data;
 
     listData.Clear();
-    wxNode* node = m_value.GetFirst();
+    wxList::compatibility_iterator node = m_value.GetFirst();
     while (node)
     {
         wxVariant* var = (wxVariant*) node->GetData();
@@ -136,8 +136,8 @@ bool wxVariantDataList::Eq(wxVariantData& data) const
     wxASSERT_MSG( (data.GetType() == wxT("list")), wxT("wxVariantDataList::Eq: argument mismatch") );
 
     wxVariantDataList& listData = (wxVariantDataList&) data;
-    wxNode* node1 = m_value.GetFirst();
-    wxNode* node2 = listData.GetValue().GetFirst();
+    wxList::compatibility_iterator node1 = m_value.GetFirst();
+    wxList::compatibility_iterator node2 = listData.GetValue().GetFirst();
     while (node1 && node2)
     {
         wxVariant* var1 = (wxVariant*) node1->GetData();
@@ -164,7 +164,7 @@ bool wxVariantDataList::Write(wxSTD ostream& str) const
 bool wxVariantDataList::Write(wxString& str) const
 {
     str = wxT("");
-    wxNode* node = m_value.GetFirst();
+    wxList::compatibility_iterator node = m_value.GetFirst();
     while (node)
     {
         wxVariant* var = (wxVariant*) node->GetData();
@@ -198,7 +198,7 @@ bool wxVariantDataList::Read(wxString& WXUNUSED(str))
  * wxVariantDataStringList
  */
 
-class WXDLLEXPORT wxVariantDataStringList: public wxVariantData
+class WXDLLIMPEXP_BASE wxVariantDataStringList: public wxVariantData
 {
 DECLARE_DYNAMIC_CLASS(wxVariantDataStringList)
 public:
@@ -245,8 +245,8 @@ bool wxVariantDataStringList::Eq(wxVariantData& data) const
     wxASSERT_MSG( (data.GetType() == wxT("stringlist")), wxT("wxVariantDataStringList::Eq: argument mismatch") );
 
     wxVariantDataStringList& listData = (wxVariantDataStringList&) data;
-    wxStringList::Node  *node1 = m_value.GetFirst();
-    wxStringList::Node  *node2 = listData.GetValue().GetFirst();
+    wxStringList::compatibility_iterator node1 = m_value.GetFirst();
+    wxStringList::compatibility_iterator node2 = listData.GetValue().GetFirst();
     while (node1 && node2)
     {
         wxString str1 ( node1->GetData() );
@@ -273,10 +273,10 @@ bool wxVariantDataStringList::Write(wxSTD ostream& str) const
 bool wxVariantDataStringList::Write(wxString& str) const
 {
     str.Empty();
-    wxStringList::Node  *node = m_value.GetFirst();
+    wxStringList::compatibility_iterator node = m_value.GetFirst();
     while (node)
     {
-        wxChar* s = node->GetData();
+        const wxChar* s = node->GetData();
         if (node != m_value.GetFirst())
           str += wxT(" ");
         str += s;
@@ -306,7 +306,7 @@ bool wxVariantDataStringList::Read(wxString& WXUNUSED(str))
  * wxVariantDataLong
  */
 
-class WXDLLEXPORT wxVariantDataLong: public wxVariantData
+class WXDLLIMPEXP_BASE wxVariantDataLong: public wxVariantData
 {
 DECLARE_DYNAMIC_CLASS(wxVariantDataLong)
 public:
@@ -407,7 +407,7 @@ bool wxVariantDataLong::Read(wxString& str)
  * wxVariantDataReal
  */
 
-class WXDLLEXPORT wxVariantDataReal: public wxVariantData
+class WXDLLIMPEXP_BASE wxVariantDataReal: public wxVariantData
 {
 DECLARE_DYNAMIC_CLASS(wxVariantDataReal)
 public:
@@ -508,7 +508,7 @@ bool wxVariantDataReal::Read(wxString& str)
  * wxVariantDataBool
  */
 
-class WXDLLEXPORT wxVariantDataBool: public wxVariantData
+class WXDLLIMPEXP_BASE wxVariantDataBool: public wxVariantData
 {
 DECLARE_DYNAMIC_CLASS(wxVariantDataBool)
 public:
@@ -612,7 +612,7 @@ bool wxVariantDataBool::Read(wxString& str)
  * wxVariantDataChar
  */
 
-class WXDLLEXPORT wxVariantDataChar: public wxVariantData
+class WXDLLIMPEXP_BASE wxVariantDataChar: public wxVariantData
 {
 DECLARE_DYNAMIC_CLASS(wxVariantDataChar)
 public:
@@ -713,18 +713,9 @@ bool wxVariantDataChar::Read(wxString& str)
  * wxVariantDataString
  */
 
-#if defined(__BORLANDC__) && defined(__WIN16__)
-// Change name because of truncation
-#define wxVariantDataString wxVariantStringData
-#endif
-
-class WXDLLEXPORT wxVariantDataString: public wxVariantData
+class WXDLLIMPEXP_BASE wxVariantDataString: public wxVariantData
 {
-#if defined(__BORLANDC__) && defined(__WIN16__)
-DECLARE_DYNAMIC_CLASS(wxVariantStringData)
-#else
 DECLARE_DYNAMIC_CLASS(wxVariantDataString)
-#endif
 public:
     wxVariantDataString() { }
     wxVariantDataString(const wxString& value) { m_value = value; }
@@ -816,11 +807,7 @@ bool wxVariantDataString::Read(wxString& str)
     return TRUE;
 }
 
-#if defined(__BORLANDC__) && defined(__WIN16__)
-IMPLEMENT_DYNAMIC_CLASS(wxVariantStringData, wxVariantData)
-#else
 IMPLEMENT_DYNAMIC_CLASS(wxVariantDataString, wxVariantData)
-#endif
 
 /*
  * wxVariantDataVoidPtr
@@ -905,6 +892,111 @@ bool wxVariantDataVoidPtr::Read(wxString& WXUNUSED(str))
     return FALSE;
 }
 
+/*
+ * wxVariantDataWxObjectPtr
+ */
+
+class wxVariantDataWxObjectPtr: public wxVariantData
+{
+DECLARE_DYNAMIC_CLASS(wxVariantDataWxObjectPtr)
+public:
+    wxVariantDataWxObjectPtr() { }
+    wxVariantDataWxObjectPtr(wxObject* value) { m_value = value; }
+
+    inline wxObject* GetValue() const { return m_value; }
+    inline void SetValue(wxObject* value) { m_value = value; }
+
+    virtual void Copy(wxVariantData& data);
+    virtual bool Eq(wxVariantData& data) const;
+#if wxUSE_STD_IOSTREAM
+    virtual bool Write(wxSTD ostream& str) const;
+#endif
+    virtual bool Write(wxString& str) const;
+#if wxUSE_STD_IOSTREAM
+    virtual bool Read(wxSTD istream& str);
+#endif
+    virtual bool Read(wxString& str);
+    virtual wxString GetType() const ;
+    virtual wxVariantData* Clone() { return new wxVariantDataWxObjectPtr; }
+
+    virtual wxClassInfo* GetValueClassInfo() ; 
+protected:
+    wxObject* m_value;
+
+    DECLARE_NO_COPY_CLASS(wxVariantDataWxObjectPtr)
+};
+
+IMPLEMENT_DYNAMIC_CLASS(wxVariantDataWxObjectPtr, wxVariantData)
+
+void wxVariantDataWxObjectPtr::Copy(wxVariantData& data)
+{
+    wxASSERT_MSG(  wxIsKindOf((&data), wxVariantDataWxObjectPtr) ,\
+                   wxT("wxVariantDataWxObjectPtr::Copy: Can't copy to this type of data") \
+                 );
+
+    wxVariantDataWxObjectPtr& otherData = (wxVariantDataWxObjectPtr&) data;
+
+    otherData.m_value = m_value;
+}
+
+bool wxVariantDataWxObjectPtr::Eq(wxVariantData& data) const
+{
+    wxASSERT_MSG(   wxIsKindOf((&data), wxVariantDataWxObjectPtr), wxT("wxVariantDataWxObjectPtr::Eq: argument mismatch") );
+
+    wxVariantDataWxObjectPtr& otherData = (wxVariantDataWxObjectPtr&) data;
+
+    return (otherData.m_value == m_value);
+}
+
+wxString wxVariantDataWxObjectPtr::GetType() const
+{
+    wxString returnVal(wxT("wxObject"));
+    if (m_value) {
+        returnVal = m_value->GetClassInfo()->GetClassName();
+    }
+    return returnVal;
+}
+
+wxClassInfo* wxVariantDataWxObjectPtr::GetValueClassInfo()
+{
+    wxClassInfo* returnVal=NULL;
+    
+    if (m_value) returnVal = m_value->GetClassInfo(); 
+
+    return returnVal;
+}
+
+#if wxUSE_STD_IOSTREAM
+bool wxVariantDataWxObjectPtr::Write(wxSTD ostream& str) const
+{
+    wxString s;
+    Write(s);
+    str << (const char*) s.mb_str();
+    return TRUE;
+}
+#endif
+
+bool wxVariantDataWxObjectPtr::Write(wxString& str) const
+{
+    str.Printf(wxT("%s(%ld)"), GetType().c_str(), (long) m_value);
+    return TRUE;
+}
+
+#if wxUSE_STD_IOSTREAM
+bool wxVariantDataWxObjectPtr::Read(wxSTD istream& WXUNUSED(str))
+{
+    // Not implemented
+    return FALSE;
+}
+#endif
+
+bool wxVariantDataWxObjectPtr::Read(wxString& WXUNUSED(str))
+{
+    // Not implemented
+    return FALSE;
+}
+
+
 /*
  * wxVariantDataDateTime
  */
@@ -1173,6 +1265,20 @@ wxVariant::wxVariant( void* val, const wxString& name)
    m_name = name;
 }
 
+wxVariant::wxVariant( wxObject* val, const wxString& name)
+{
+   m_data = new wxVariantDataWxObjectPtr(val);
+   m_name = name;
+}
+
+#if wxUSE_DATETIME
+wxVariant::wxVariant(const wxDateTime& val, const wxString& name) // Date
+{
+       m_data = new wxVariantDataDateTime(val);
+       m_name = name;
+}
+#endif // wxUSE_DATETIME    
+
 #if wxUSE_ODBC
 wxVariant::wxVariant(const TIME_STRUCT* valptr, const wxString& name) // Date
 {
@@ -1616,7 +1722,7 @@ wxVariant wxVariant::operator[] (size_t idx) const
         wxVariantDataStringList* data = (wxVariantDataStringList*) m_data;
         wxASSERT_MSG( (idx < (size_t) data->GetValue().GetCount()), wxT("Invalid index for array") );
 
-        wxVariant variant( wxString( (wxChar*) (data->GetValue().Item(idx)->GetData()) ));
+        wxVariant variant( wxString( (const wxChar*) (data->GetValue().Item(idx)->GetData()) ));
         return variant;
     }
     return wxNullVariant;
@@ -1689,6 +1795,12 @@ bool wxVariant::IsType(const wxString& type) const
     return (GetType() == type);
 }
 
+bool wxVariant::IsValueKindOf(const wxClassInfo* type) const
+{
+    wxClassInfo* info=m_data->GetValueClassInfo(); 
+    return info ? info->IsKindOf(type) : false ;
+}
+
 
 // Value accessors
 double wxVariant::GetReal() const
@@ -1757,6 +1869,12 @@ void* wxVariant::GetVoidPtr() const
     return (void*) ((wxVariantDataVoidPtr*) m_data)->GetValue();
 }
 
+wxObject* wxVariant::GetWxObjectPtr() 
+{
+    wxASSERT(wxIsKindOf(m_data, wxVariantDataWxObjectPtr));
+    return (wxObject*) ((wxVariantDataWxObjectPtr*) m_data)->GetValue();
+}
+
 #if wxUSE_DATETIME
 wxDateTime wxVariant::GetDateTime() const
 {
@@ -1811,7 +1929,7 @@ bool wxVariant::Member(const wxVariant& value) const
 {
     wxList& list = GetList();
 
-    wxNode* node = list.GetFirst();
+    wxList::compatibility_iterator node = list.GetFirst();
     while (node)
     {
         wxVariant* other = (wxVariant*) node->GetData();
@@ -1828,10 +1946,10 @@ bool wxVariant::Delete(int item)
     wxList& list = GetList();
 
     wxASSERT_MSG( (item < (int) list.GetCount()), wxT("Invalid index to Delete") );
-    wxNode* node = list.Item(item);
+    wxList::compatibility_iterator node = list.Item(item);
     wxVariant* variant = (wxVariant*) node->GetData();
     delete variant;
-    delete node;
+    list.Erase(node);
     return TRUE;
 }
 
@@ -1888,9 +2006,9 @@ bool wxVariant::Convert(bool* value) const
     {
         wxString val(((wxVariantDataString*)GetData())->GetValue());
         val.MakeLower();
-        if (val == wxT("TRUE") || val == wxT("yes"))
+        if (val == wxT("true") || val == wxT("yes"))
             *value = TRUE;
-        else if (val == wxT("FALSE") || val == wxT("no"))
+        else if (val == wxT("false") || val == wxT("no"))
             *value = FALSE;
         else
             return FALSE;