/*********************************************************************
*                SEGGER MICROCONTROLLER SYSTEME GmbH                 *
*        Solutions for real time microcontroller applications        *
**********************************************************************
*                                                                    *
*        (c) 1996 - 2011  SEGGER Microcontroller Systeme GmbH        *
*                                                                    *
*        Internet: www.segger.com    Support:  support@segger.com    *
*                                                                    *
**********************************************************************

***** emWin - Graphical user interface for embedded applications *****
emWin 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 re-
distributed in any way. We appreciate your understanding and fairness.
----------------------------------------------------------------------
File        : COLOR_ShowColorBar.c
Purpose     : Example draws a color bar
----------------------------------------------------------------------
*/

#include "GUI.h"
#include "LCDConf.h"

/*******************************************************************
*
*       Defines
*
********************************************************************
*/
#define X_START 60
#define Y_START 40

/*******************************************************************
*
*       Types
*
********************************************************************
*/
typedef struct {
  int NumBars;
  GUI_COLOR Color;
  const char * s;
} BAR_DATA;

/*******************************************************************
*
*       Static data
*
********************************************************************
*/
static const BAR_DATA _aBarData[] = {
  { 2, GUI_RED    , "Red" },
  { 2, GUI_GREEN  , "Green" },
  { 2, GUI_BLUE   , "Blue" },
  { 1, GUI_WHITE  , "Grey" },
  { 2, GUI_YELLOW , "Yellow" },
  { 2, GUI_CYAN   , "Cyan" },
  { 2, GUI_MAGENTA, "Magenta" },
};

static const GUI_COLOR _aColorStart[] = { GUI_BLACK, GUI_WHITE };

/*******************************************************************
*
*       Static code
*
********************************************************************
*/
/*******************************************************************
*
*       _DemoShowColorBar
*/
static void _DemoShowColorBar(void) {
  int yStep, i, j, xSize, ySize, NumBars, NumColors;
  GUI_RECT Rect;

  //
  // Get display size
  //
  xSize = LCD_GetXSize();
  ySize = LCD_GetYSize();
  //
  // Get number of bars
  //
  NumColors = GUI_COUNTOF(_aBarData);
  for (i = NumBars = 0, NumBars = 0; i < NumColors; i++) {
    NumBars += _aBarData[i].NumBars;
  }
  yStep = (ySize - Y_START) / NumBars;
  //
  // Draw text
  //
  Rect.x0 = 0;
  Rect.x1 = X_START - 1;
  Rect.y0 = Y_START;
	GUI_SetFont(&GUI_Font8x16);
  for (i = 0; i < NumColors; i++) {
    Rect.y1 = Rect.y0 + yStep * _aBarData[i].NumBars - 1;
    GUI_DispStringInRect(_aBarData[i].s, &Rect, GUI_TA_LEFT | GUI_TA_VCENTER);
    Rect.y0 = Rect.y1 + 1;
  }
  //
  // Draw colors
  //
  Rect.x0 = X_START;
  Rect.x1 = xSize - 1;
  Rect.y0 = Y_START;
  for (i = 0; i < NumColors; i++) {
    for (j = 0; j < _aBarData[i].NumBars; j++) {
      Rect.y1 = Rect.y0 + yStep - 1;
      GUI_DrawGradientH(Rect.x0, Rect.y0, Rect.x1, Rect.y1, _aColorStart[j], _aBarData[i].Color);
      Rect.y0 = Rect.y1 + 1;
    }
  }
}

/*********************************************************************
*
*       Public code
*
**********************************************************************
*/
/*********************************************************************
*
*       MainTask
*/
void MainTask(void) {
  GUI_Init();
  GUI_SetBkColor(GUI_BLACK);
  GUI_Clear();
  GUI_SetColor(GUI_WHITE);
  GUI_SetFont(&GUI_Font24_ASCII);
  GUI_DispStringHCenterAt("COLOR_ShowColorBar - Sample", 160, 5);
  _DemoShowColorBar();
  while(1)
    GUI_Delay(100);
}

/*************************** End of file ****************************/