[ 1473731 ] 'wxColourBase and wxString <-> wxColour implementation' with minor modifications and rebaked build files.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@38888 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

src/common/colourcmn.cpp

@@ -0,0 +1,99 @@
+/////////////////////////////////////////////////////////////////////////////
+// Name:        src/common/colourcmn.cpp
+// Purpose:     wxColourBase implementation
+// Author:      Francesco Montorsi
+// Modified by:
+// Created:     20/4/2006
+// RCS-ID:      $Id$
+// Copyright:   (c) Francesco Montorsi
+// Licence:     wxWindows licence
+/////////////////////////////////////////////////////////////////////////////
+
+
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
+
+#ifdef __BORLANDC__
+    #pragma hdrstop
+#endif
+
+#include "wx/colour.h"
+
+
+
+// ============================================================================
+// wxString <-> wxColour conversions
+// ============================================================================
+
+bool wxColourBase::FromString(const wxChar *str)
+{
+    if ( str == NULL || str[0] == wxT('\0'))
+        return false;       // invalid or empty string
+
+    if ( wxStrncmp(str, wxT("RGB"), 3) == 0 ||
+         wxStrncmp(str, wxT("rgb"), 3) == 0 )
+    {
+        // RGB specification CSS-like
+        int red, green, blue;
+        if (wxSscanf(&str[3], wxT("(%d, %d, %d)"), &red, &green, &blue) != 3)
+            return false;
+
+        Set((unsigned char)red, (unsigned char)green, (unsigned char)blue);
+    }
+    else if ( str[0] == wxT('#') && wxStrlen(str) == 7 )
+    {
+        // hexadecimal prefixed with # (HTML syntax)
+        unsigned long tmp;
+        if (wxSscanf(&str[1], wxT("%lX"), &tmp) != 1)
+            return false;
+
+        Set(tmp);   // set from packed long
+    }
+    else if (wxTheColourDatabase) // a colour name ?
+    {
+        // we can't do
+        // *this = wxTheColourDatabase->Find(str)
+        // because this place can be called from constructor
+        // and 'this' could not be available yet
+        wxColour clr = wxTheColourDatabase->Find(str);
+        Set((unsigned char)clr.Red(), (unsigned char)clr.Green(), (unsigned char)clr.Blue());
+    }
+
+    if (Ok())
+        return true;
+
+    wxLogDebug(wxT("wxColour::Set - couldn't set to colour string '%s'"), str);
+    return false;
+}
+
+wxString wxColourBase::GetAsString(long flags) const
+{
+    wxString colName;
+
+    if (flags & wxC2S_NAME)
+        colName = wxTheColourDatabase->FindName((const wxColour &)(*this)).MakeLower();
+
+    if ( colName.empty() && (flags & wxC2S_CSS_SYNTAX) )
+    {
+        // no name for this colour; return it in CSS syntax
+        colName.Printf(wxT("rgb(%d, %d, %d)"),
+                       Red(), Green(), Blue());
+    }
+    else if ( colName.empty() && (flags & wxC2S_HTML_SYNTAX) )
+    {
+        // no name for this colour; return it in HTML syntax
+        colName.Printf(wxT("#%02X%02X%02X"),
+                       Red(), Green(), Blue());
+    }
+
+    // this function always returns a non-empty string
+    wxASSERT_MSG(!colName.empty(),
+                 wxT("Invalid wxColour -> wxString conversion flags"));
+
+    return colName;
+}
+
+wxColour wxColourBase::CreateByName(const wxString& name)
+{
+    return wxColour(name);
+}