Handle default values for array parameters in python.

Without this change, parameters like ( , int array[3] = 0) are required
parameters when the method is called from python.

Wrapping/Tools/vtkWrap.c

@@ -422,7 +422,6 @@ int vtkWrap_CountRequiredArguments(FunctionInfo *f)
   for (i = 0; i < totalArgs; i++)
     {
     if (f->Parameters[i]->Value == NULL ||
-        vtkWrap_IsArray(f->Parameters[i]) ||
         vtkWrap_IsNArray(f->Parameters[i]))
       {
       requiredArgs = i+1;
@@ -1012,7 +1011,8 @@ void vtkWrap_DeclareVariable(
       fprintf(fp, "*");
       }
     /* arrays of unknown size are handled via pointers */
-    else if (val->CountHint || vtkWrap_IsPODPointer(val))
+    else if (val->CountHint || vtkWrap_IsPODPointer(val) ||
+             (vtkWrap_IsArray(val) && val->Value))
       {
       fprintf(fp, "*");
       }
@@ -1037,7 +1037,8 @@ void vtkWrap_DeclareVariable(
         aType != VTK_PARSE_OBJECT_PTR &&
         !vtkWrap_IsQtObject(val) &&
         val->CountHint == NULL &&
-        !vtkWrap_IsPODPointer(val))
+        !vtkWrap_IsPODPointer(val) &&
+        !(vtkWrap_IsArray(val) && val->Value))
       {
       if (val->NumberOfDimensions == 1 && val->Count > 0)
         {
@@ -1114,8 +1115,8 @@ void vtkWrap_DeclareVariableSize(
     {
     fprintf(fp,
             "  %sint %s%s = %d;\n",
-            (val->Count == 0 ? "" : "const "), name, idx,
-            (val->Count == 0 ? 0 : val->Count));
+            ((val->Count == 0 || val->Value != 0) ? "" : "const "),
+            name, idx, (val->Count == 0 ? 0 : val->Count));
     }
   else if (val->NumberOfDimensions == 1)
     {

Wrapping/Tools/vtkWrapPythonMethod.c

@@ -113,7 +113,7 @@ void vtkWrapPython_DeclareVariables(
     if (vtkWrap_IsArray(arg) || vtkWrap_IsNArray(arg) ||
         vtkWrap_IsPODPointer(arg))
       {
-      storageSize = 4;
+      storageSize = (arg->Count ? arg->Count : 4);
       if (!vtkWrap_IsConst(arg) &&
           !vtkWrap_IsSetVectorMethod(theFunc))
         {
@@ -121,7 +121,8 @@ void vtkWrapPython_DeclareVariables(
         vtkWrap_DeclareVariable(fp, data, arg, "save", i, VTK_WRAP_ARG);
         storageSize *= 2;
         }
-      if (arg->CountHint || vtkWrap_IsPODPointer(arg))
+      if (arg->CountHint || vtkWrap_IsPODPointer(arg) ||
+          (vtkWrap_IsArray(arg) && arg->Value))
         {
         fprintf(fp,
                 "  %s small%d[%d];\n",
@@ -167,7 +168,8 @@ static void vtkWrapPython_GetSizesForArrays(
     {
     arg = theFunc->Parameters[i];
 
-    if (arg->CountHint || vtkWrap_IsPODPointer(arg))
+    if (arg->CountHint || vtkWrap_IsPODPointer(arg) ||
+        (vtkWrap_IsArray(arg) && arg->Value))
       {
       if (j == 1)
         {
@@ -200,18 +202,29 @@ static void vtkWrapPython_GetSizesForArrays(
       fprintf(fp,
               "%s  if (size%d > 0)\n"
               "%s    {\n"
-              "%s    temp%d = small%d;\n"
+              "%s    temp%d = small%d;\n",
+              indentation, i,
+              indentation,
+              indentation, i, i);
+
+      if (arg->CountHint || vtkWrap_IsPODPointer(arg))
+        {
+        fprintf(fp,
               "%s    if (size%d > 4)\n"
               "%s      {\n"
               "%s      temp%d = new %s[%ssize%d];\n"
               "%s      }\n",
               indentation, i,
               indentation,
-              indentation, i, i,
-              indentation, i,
-              indentation,
               indentation, i, vtkWrap_GetTypeName(arg), mtwo, i,
               indentation);
+        }
+      else
+        {
+        fprintf(fp,
+              "%s    size%d = %d;\n",
+              indentation, i, arg->Count);
+        }
 
       if (*mtwo)
         {