/*
*********************************************************************************************************
*   											 uC/GUI
*   					 Universal graphic software for embedded applications
*
*   					(c) Copyright 2002, Micrium Inc., Weston, FL
*   					(c) Copyright 2002, SEGGER Microcontroller Systeme GmbH
*
*   		   礐/GUI is protected by international copyright laws. Knowledge of the
*   		   source code may not be used to write a similar product. This file may
*   		   only be used in accordance with a license and should not be redistributed
*   		   in any way. We appreciate your understanding and fairness.
*
----------------------------------------------------------------------
File		: GUIDEMO_ShowColorBar.c
Purpose 	: Draws color bars
----------------------------------------------------------------------
*/

#include "LCD.h"				   /* interface definitions */
#include "LCD_ConfDefaults.h"  /* valid LCD configuration */
#include "GUI.h"
#include "GUIDEMO.h"

/*********************************************************************
*
*   	GUIDEMO_ShowColorBar
*
**********************************************************************
*/

#if LCD_BITSPERPIXEL > 2

void GUIDEMO_ShowColorBar(void)
{
	int nBars = 13;
	int NumColors = LCD_GetDevCap(LCD_DEVCAP_NUMCOLORS);
	int XSize = LCD_XSIZE;
	int i, yStep, y0, x0;
#if GUIDEMO_LARGE
	y0 = 70;
	x0 = 60;
	GUIDEMO_ShowIntro("Color bar", "emWin features "
					  "\nan integrated color"
					  "\nmanagement"
					  "\nwill always find the best available color"
					  "\nfor any logical color");
#else
#if !(GUIDEMO_TINY)
	y0 = 55;
	x0 = 55;
	GUIDEMO_ShowIntro("Color bar", "emWin features "
						"\nan integrated color"
						"\nmanagement will always"
						"\nfind the best available"
						"\ncolor for any logical color");
#else
	y0 = 16;
	x0 = 40;
	GUIDEMO_ShowIntro("Color bar", "emWin features "
						"\nan integrated color"
						"\nmanagement");
#endif
#endif
	XSize -= x0;
#if (LCD_YSIZE < 320)
	yStep = (LCD_YSIZE - y0) / nBars;
#else
	yStep = (LCD_YSIZE - y0 - 60) / nBars;
#endif
	GUI_SetColor(GUI_WHITE);
	GUI_SetBkColor(GUI_BLACK); 
	GUI_Clear();
	GUI_SetFont(&GUI_Font8x16);
	GUI_DispString("Color bars\n");
#if !(GUIDEMO_TINY)
	GUI_SetFont(&GUI_Font8_ASCII);
#ifdef LCD_CONTROLLER
	GUI_DispString("\nLCD_CONTROLLER: ");
	GUI_DispDecMin(LCD_CONTROLLER);
	GUI_DispString("\n");
#endif
	GUI_DispDecMin(LCD_BITSPERPIXEL);
	GUI_DispString(" bpp");
#ifdef LCD_BUSWIDTH
	GUI_DispString(", ");
	GUI_DispDecMin(LCD_BUSWIDTH);
	GUI_DispString(" bit bus");
#endif
	GUI_DispString(", ");
	GUI_DispDecMin(NumColors);
	GUI_DispString(" colors\n");
#if (LCD_FIXEDPALETTE) 
	GUI_DispString("Fixed palette: ");
	GUI_DispDecMin(LCD_FIXEDPALETTE);
#else
	GUI_DispString("(Custom)");
#endif
#endif
#if !GUIDEMO_LARGE
#if (LCD_YSIZE < 100)
	GUI_SetFont(&GUI_Font4x6);
#elif (LCD_YSIZE < 160)
	GUI_SetFont(&GUI_Font6x8);
#else
	GUI_SetFont(&GUI_Font8x8);
#endif
#else
	GUI_SetFont(&GUI_Font8x8);
#endif
	GUI_SetColor(GUI_WHITE);
	GUI_DispStringAt("Red", 0, y0 + yStep);
	GUI_DispStringAt("Green", 0, y0 + 3 * yStep);
	GUI_DispStringAt("Blue", 0, y0 + 5 * yStep);
	GUI_DispStringAt("Grey", 0, y0 + 6 * yStep);
	GUI_DispStringAt("Yellow", 0, y0 + 8 * yStep);
	GUI_DispStringAt("Cyan", 0, y0 + 10 * yStep);
	GUI_DispStringAt("Magenta", 0, y0 + 12 * yStep);
	for (i = 0; (i < XSize) && !GUIDEMO_CheckCancel(); i++)
	{
		U16 cs = (255 * (U32) i) / XSize;
		U16 x = x0 + i;;
		/* Red */
		GUI_SetColor(cs);
		GUI_DrawVLine(x, y0, y0 + yStep - 1);
		GUI_SetColor(0x0000ff + (255 - cs) * 0x10100L);
		GUI_DrawVLine(x, y0 + yStep, y0 + 2 * yStep - 1);
		/* Green */
		GUI_SetColor(cs << 8);
		GUI_DrawVLine(x, y0 + 2 * yStep, y0 + 3 * yStep - 1);
		GUI_SetColor(0x00ff00 + (255 - cs) * 0x10001L);
		GUI_DrawVLine(x, y0 + 3 * yStep, y0 + 4 * yStep - 1);
		/* Blue */
		GUI_SetColor(cs * 0x10000L);
		GUI_DrawVLine(x, y0 + 4 * yStep, y0 + 5 * yStep - 1);
		GUI_SetColor(0xff0000 + (255 - cs) * 0x00101L);
		GUI_DrawVLine(x, y0 + 5 * yStep, y0 + 6 * yStep - 1);
		/* Gray */
		GUI_SetColor(cs * 0x10101L);
		GUI_DrawVLine(x, y0 + 6 * yStep, y0 + 7 * yStep - 1);
		/* Yellow */
		GUI_SetColor(cs * 0x00101L);
		GUI_DrawVLine(x, y0 + 7 * yStep, y0 + 8 * yStep - 1);
		GUI_SetColor(0x00ffff + (255 - cs) * 0x10000L);
		GUI_DrawVLine(x, y0 + 8 * yStep, y0 + 9 * yStep - 1);
		/* Cyan */
		GUI_SetColor(cs * 0x10100L);
		GUI_DrawVLine(x, y0 + 9 * yStep, y0 + 10 * yStep - 1);
		GUI_SetColor(0xffff00 + (255 - cs) * 0x00001L);
		GUI_DrawVLine(x, y0 + 10 * yStep, y0 + 11 * yStep - 1);
		/* Magenta */
		GUI_SetColor(cs * 0x10001L);
		GUI_DrawVLine(x, y0 + 11 * yStep, y0 + 12 * yStep - 1);
		GUI_SetColor(0xff00ff + (255 - cs) * 0x00100L);
		GUI_DrawVLine(x, y0 + 12 * yStep, y0 + 13 * yStep - 1);
	}
	GUIDEMO_Wait();
}

#else

void GUIDEMO_ShowColorBar(void)
{
}

#endif