initial checkin of C++ port (in progress)

git-svn-id: svn://svn.code.sf.net/p/magicseteditor/code/trunk@2 0fc631ac-6414-0410-93d0-97cfa31319b6

src/gui/util.cpp

@@ -0,0 +1,43 @@
+//+----------------------------------------------------------------------------+
+//| Description:  Magic Set Editor - Program to make Magic (tm) cards          |
+//| Copyright:    (C) 2001 - 2006 Twan van Laarhoven                           |
+//| License:      GNU General Public License 2 or later (see file COPYING)     |
+//+----------------------------------------------------------------------------+
+
+// ----------------------------------------------------------------------------- : Includes
+
+#include <gui/util.hpp>
+#include <util/error.hpp>
+#include <wx/mstream.h>
+
+// ----------------------------------------------------------------------------- : DC related
+
+/// Fill a DC with a single color
+void clearDC(DC& dc, const wxBrush& brush) {
+	wxSize size = dc.GetSize();
+	dc.SetPen(*wxTRANSPARENT_PEN);
+	dc.SetBrush(brush);
+	dc.DrawRectangle(0, 0, size.GetWidth(), size.GetHeight());
+}
+
+// ----------------------------------------------------------------------------- : Image related
+
+Image loadResourceImage(String name) {
+	#ifdef __WXMSW__
+		// Load resource
+		// based on wxLoadUserResource
+		// The image can be in an IMAGE resource, in any file format
+		HRSRC hResource = ::FindResource(wxGetInstance(), name, _("IMAGE"));
+		if ( hResource == 0 ) throw InternalError(_("Resource not found: ") + name);
+		
+		HGLOBAL hData = ::LoadResource(wxGetInstance(), hResource);
+		if ( hData == 0 ) throw InternalError(_("Resource not an image: ") + name);
+		
+		char* data = (char *)::LockResource(hData);
+		if ( !data ) throw InternalError(_("Resource cannot be locked: ") + name);
+
+		int len = ::SizeofResource(wxGetInstance(), hResource);
+		wxMemoryInputStream stream(data, len);
+		return wxImage(stream);
+	#endif
+}