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diff --git a/Graphic_Equalizer_v1.0/include/display_shared.hch b/Graphic_Equalizer_v1.0/include/display_shared.hch
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--- /dev/null
+++ b/Graphic_Equalizer_v1.0/include/display_shared.hch
@@ -0,0 +1,98 @@
+/*! \file display_shared.hch
+ *
+ * \brief	Datastructures and defines for usage when interacting with the
+ *		display library.
+ *
+ * \section project Project information.
+ * Graphic Equalizer 2\n
+ * \author 
+ * \date 20041011
+ * \version 0.1
+ *
+ * \section copyright Copyright
+ * Copyright Š2004 Koninklijke Philips Electronics N.V. All rights reserved
+ *
+ * \section history Change history
+ * 20041011: \n	Initial version
+ *
+ ********************************************************************/
+ 
+#ifndef _DISPLAY_SHARED_HCH
+#define _DISPLAY_SHARED_HCH 1
+
+
+
+/*! \struct skin_info_t
+ * \brief	Structure containing the four boundry limits of an area and
+ *		maximal two colors per area.
+ */
+typedef struct {
+	unsigned 11 left;		/*!< leftmost point registerd in the area */
+	unsigned 11 right;		/*!< rightmost point registerd in the area */
+	unsigned 11 bottom;		/*!< lowest point registerd in the area */
+	unsigned 11 top;		/*!< highest point registerd in the area */
+	unsigned 24 color_primary;	/*!< primary color for this area */
+	unsigned 24 color_secondary;	/*!< optionally an area can have a second color */
+} skininfo_t;
+
+/*! \struct skindata_t
+ * \brief	This struct contains all area- dimensions and color information
+ *		for the skin.
+ */
+typedef struct {
+	skininfo_t waveform;	/*!< We store all information about the waveform area here. */
+	skininfo_t spectrum;	/*!< We store all information about the spectrum analyzer area here. */
+	skininfo_t volume;	/*!< We store all information about the volume control area here. */
+	skininfo_t inputgain;	/*!< We store all information about the inputgain area here. */
+	skininfo_t equalizer;	/*!< We store all information about the equalizerbars here. */
+} skindata_t;
+
+
+
+#define AREA_WAVEFORM		0x01	/*!< Waveform area. */
+#define AREA_VOLUME_YAXIS	0x02	/*!< Volume control on the Y plane. */
+#define AREA_SPECTRUM_ANALYZER	0x03	/*!< Spectrum Analyzer area. */
+
+#define BUTTON_LOG		0x04	/*!< Logarithmic display button. */
+#define BUTTON_DEMO		0x05	/*!< Demo preset button. */
+#define BUTTON_RESET		0x06	/*!< Reset presets button. */
+
+#define BUTTON_PRESET_1		0x07	/*!< Button for switching to preset 1 */
+#define BUTTON_PRESET_2		0x08	/*!< Button for switching to preset 2 */
+#define BUTTON_PRESET_3		0x09	/*!< Button for switching to preset 3 */
+#define BUTTON_PRESET_4		0x0a	/*!< Button for switching to preset 4 */
+#define BUTTON_PRESET_5		0x0b	/*!< Button for switching to preset 5 */
+#define BUTTON_PRESET_6		0x0c	/*!< Button for switching to preset 6 */
+
+#define BUTTON_PRECISE		0x0d	/*!< |  'Precise' selection Button  */
+#define BUTTON_CONVEX_HALF	0x0f	/*!< /\ 'Convex' mode Button  */
+#define BUTTON_CONVEX_FULL	0x11	/*!< / - \ 'Convex' mode Button*/
+
+#define BUTTON_HELP		0x12	/*!< Button to display help screen. */
+#define BUTTON_MODE		0x13	/*!< Button to switch to graphical mode. */
+#define BUTTON_OPTION		0x14	/*!< Button to display options screen. */
+#define BUTTON_ABOUT		0x15	/*!< Button to change about screen. */
+
+#define AREA_ABOUT_BOTTOM	0x16	/*!< Bottom half of about area */
+#define AREA_ABOUT_TOP		0x17	/*!< Top half of about area */
+
+#define BUTTON_URL_FONTYS	0x18	/*!< Url for Fontys in about screen */
+#define BUTTON_URL_TASS		0x19	/*!< Url for TASS in about screen */
+#define BUTTON_URL_TRANSFER	0x1a	/*!< Url for Transfer in about screen */
+#define BUTTON_URL_CELOXICA	0x1b	/*!< Url for Celoxica in about screen */
+#define BUTTON_URL_DETAILS	0x1c	/*!< Url for Details in about screen */
+
+#define BUTTON_EXIT_TO_SKIN	0x1d	/*!< Button that exits the current screen and returns to the normal 'skin' screen */
+
+#define AREA_INPUTGAIN_YAXIS	0x1e	/*!< Input Gain control on the Y plane. */
+#define BUTTON_PLAY		0x1f	/*!< Button to play built in audio. */
+
+#define AREA_MASK_END		0x7e	/*!< Area in mask determining the end of the area beeing drawn */
+
+#define AREA_EQUALIZER_MIN	0x80	/*!< First bar of the Equalizer Area. */
+#define AREA_EQUALIZER_MAX	0xff	/*!< Last bar of the Equalizer Area. */
+
+#else
+#error "ERROR file display_shared.hch multiple times included"
+#endif /* --- _DISPLAY_SHARED_HCH --- */
+