--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/uigraphics/palette/inc/PaletteConstants.h	Thu Dec 17 09:14:12 2009 +0200
@@ -0,0 +1,97 @@
+/*
+* Copyright (c) 2002 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "Eclipse Public License v1.0"
+* which accompanies this distribution, and is available
+* at the URL "http://www.eclipse.org/legal/epl-v10.html".
+*
+* Initial Contributors:
+* Nokia Corporation - initial contribution.
+*
+* Contributors:
+*
+* Description:  Device specific constants for palette storage.
+*
+*/
+
+
+#ifndef __PALETTECONSTANTS_H__
+#define __PALETTECONSTANTS_H__
+
+/**
+ * Palette switching support is not required in S60 3.x.
+ * This switch disables palette switching. The code will be removed later.
+ * You may ignore the rest of this header while this macro is defined.
+ */
+#define DISABLE_256_COLOR_PALETTE_SWITCHING
+
+#ifndef DISABLE_256_COLOR_PALETTE_SWITCHING
+/**
+ * The palette code supports two modes of operation, configured with the feature flag
+ * __PALETTE_INDEX_ADDRESS_FIXED.
+ *
+ * If the feature is defined (call it "fast" mode),
+ * the palette index is stored in video memory and the video memory
+ * address is hard coded.
+ *
+ * If the feature is undefined (call it "slow" mode) the palette index is stored in
+ * video memory, but the video memory address is stored in TLS.
+ *
+ * This palette index is accessed a lot, so fast mode can have a positive
+ * effect on performance.
+ */
+
+#ifdef __WINS__
+// always turn __PALETTE_INDEX_ADDRESS_FIXED on in __WINS__
+#undef __PALETTE_INDEX_ADDRESS_FIXED
+#define __PALETTE_INDEX_ADDRESS_FIXED
+#endif __WINS__
+
+
+#ifdef __PALETTE_INDEX_ADDRESS_FIXED
+#ifndef __WINS__
+
+/**
+ * This is the base address of the video memory for the screen.
+ * This value is only used if the macro __PALETTE_INDEX_ADDRESS_FIXED is defined and
+ * __WINS__ macro is undefined.
+ */
+#include <lcdbaseaddress.h>
+#define DEVICE_VIDEO_ADDR			KLCDBaseAddress
+
+
+/**
+ * This is the maximum width of the screen.
+ * This value is only used if the macro __PALETTE_INDEX_ADDRESS_FIXED is defined and
+ * __WINS__ macro is undefined. 
+ * Otherwise, the width is retrieved from the screen driver.
+ */
+#define DEVICE_SCREEN_WIDTH			176
+
+/**
+ * This is the maximum height of the screen.
+ * This value is only used if the macro __PALETTE_INDEX_ADDRESS_FIXED is defined and
+ * __WINS__ macro is undefined. 
+ * Otherwise, the height is retrieved from the screen driver.
+ */
+#define DEVICE_SCREEN_HEIGHT		208
+
+#endif
+#endif // __PALETTE_INDEX_ADDRESS_FIXED
+
+/**
+ * The number of bytes used for each pixel of the screen.
+ */
+#define DEVICE_BYTES_PER_PIXEL		2
+
+/**
+ * The number of bytes of video memory reserved by the screen driver for other purposes.
+ */
+#define DEVICE_VIDEO_PALETTE_SIZE	32
+
+#endif // DISABLE_256_COLOR_PALETTE_SWITCHING
+
+#endif // __PALETTECONSTANTS_H__
+
+// End of File