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game/client/imessagechars.h

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+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+// $Workfile:     $
+// $Date:         $
+//
+//-----------------------------------------------------------------------------
+// $Log: $
+//
+// $NoKeywords: $
+//=============================================================================//
+#if !defined( IMESSAGECHARS_H )
+#define IMESSAGECHARS_H
+#ifdef _WIN32
+#pragma once
+#endif
+
+#include <vgui/VGUI.h>
+
+namespace vgui
+{
+class Panel;
+typedef unsigned long HFont;
+}
+
+abstract_class IMessageChars
+{
+public:
+	enum
+	{
+		MESSAGESTRINGID_NONE = -1,
+		MESSAGESTRINGID_BASE = 0
+	};
+	
+	virtual	void		Create( vgui::VPANEL parent ) = 0;
+	virtual void		Destroy( void ) = 0;
+
+	// messageID can be MESSAGESTRINGID_NONE or MESSAGESTRINGID_BASE plus some offset. You can refer to the message by
+	// its ID later.
+	virtual int			DrawString( vgui::HFont pCustomFont, int x, int y, int r, int g, int b, int a, const char *fmt, int messageID, ... ) = 0;
+	virtual int			DrawString( vgui::HFont pCustomFont, int x, int y, const char *fmt, int messageID, ... ) = 0;
+	
+	virtual int			DrawStringForTime( float flTime, vgui::HFont pCustomFont, int x, int y, int r, int g, int b, int a, const char *fmt, int messageID,  ... ) = 0;
+	virtual int			DrawStringForTime( float flTime, vgui::HFont pCustomFont, int x, int y, const char *fmt, int messageID, ... ) = 0;
+	
+	// Remove all messages with the specified ID (passed into DrawStringForTime).
+	virtual void		RemoveStringsByID( int messageID ) = 0;
+
+	virtual void		GetStringLength( vgui::HFont pCustomFont, int *width, int *height, PRINTF_FORMAT_STRING const char *fmt, ... ) = 0;
+
+	virtual void		Clear( void ) = 0;
+};
+
+extern IMessageChars *messagechars;
+
+#endif // IMESSAGECHARS_H