1 files changed, 104 insertions, 0 deletions
diff --git a/SrcShared/EmPixMap.h b/SrcShared/EmPixMap.h
new file mode 100644
index 0000000..8517062
--- /dev/null
+++ b/SrcShared/EmPixMap.h
@@ -0,0 +1,104 @@
+/* -*- mode: C++; tab-width: 4 -*- */
+/* ===================================================================== *\
+	Copyright (c) 2000-2001 Palm, Inc. or its subsidiaries.
+	All rights reserved.
+
+	This file is part of the Palm OS Emulator.
+
+	This program is free software; you can redistribute it and/or modify
+	it under the terms of the GNU General Public License as published by
+	the Free Software Foundation; either version 2 of the License, or
+	(at your option) any later version.
+\* ===================================================================== */
+
+#ifndef EmPixMap_h
+#define EmPixMap_h
+
+#include "EmStructs.h"			// RGBList
+#include "EmRegion.h"			// EmRegion
+
+#include <vector>
+
+typedef int	EmPixMapDepth;
+typedef int	EmPixMapRowBytes;
+
+enum EmPixMapFormat
+{
+	// If you change these values, be sure to update PrvGetDepth.
+
+	kPixMapFormat1,
+	kPixMapFormat2,
+	kPixMapFormat4,
+	kPixMapFormat8,
+	kPixMapFormat16RGB555,
+	kPixMapFormat16BGR555,
+	kPixMapFormat16RGB565,
+	kPixMapFormat16BGR565,
+	kPixMapFormat24RGB,
+	kPixMapFormat24BGR,
+	kPixMapFormat32ARGB,
+	kPixMapFormat32ABGR,
+	kPixMapFormat32RGBA,
+	kPixMapFormat32BGRA,
+
+	kPixMapFormatLast
+};
+
+
+class EmPixMap
+{
+	public:
+								EmPixMap		(void);
+								EmPixMap		(const EmPixMap&);
+								~EmPixMap		(void);
+
+		EmPixMap&				operator=		(const EmPixMap&);
+
+		EmPoint					GetSize			(void) const;
+		void					SetSize			(const EmPoint&);
+
+		EmPixMapDepth			GetDepth		(void) const;
+		EmPixMapFormat			GetFormat		(void) const;
+		void					SetFormat		(EmPixMapFormat);
+
+		EmPixMapRowBytes		GetRowBytes		(void) const;
+		void					SetRowBytes		(EmPixMapRowBytes);
+
+		const RGBList&			GetColorTable	(void) const;
+		void					SetColorTable	(const RGBList&);
+
+		const void*				GetBits			(void) const;
+		void*					GetBits			(void);
+		void					SetBits			(void*);
+
+		void					CreateMask		(EmPixMap& dest) const;
+		EmRegion				CreateRegion	(void) const;
+
+		void					ChangeTone		(int32 percent, EmCoord firstLine = -1, EmCoord lastLine = -1);
+		void					ConvertToColor	(int type, EmCoord firstLine = -1, EmCoord lastLine = -1);
+		void					FlipScanlines	(void);
+		void					ConvertToFormat	(EmPixMapFormat);
+
+		static void				CopyRect		(EmPixMap& dest, const EmPixMap& src,
+												 const EmRect& destRect, const EmRect& srcRect);
+
+	private:
+		EmPixMapRowBytes		DetermineRowBytes	(void) const;
+		void					InvalidateBuffer	(void);
+		void					UpdateBuffer		(void) const;
+		void					CopyPixelBuffer		(const EmPixMap& other);
+
+	private:
+		EmPoint					fSize;
+		EmPixMapFormat			fFormat;
+		EmPixMapRowBytes		fRowBytes;
+		RGBList					fColors;
+		uint8*					fPixels;
+		Bool					fPixelsOwned;
+};
+
+uint32*	Get1To8Table (void);
+uint32*	Get2To8Table (void);
+uint16*	Get4To8Table (void);
+
+#endif	// EmPixMap_h