guidemo_colorlist.c

STM32 uCOS+uCGUI(FSMC)

/*
*********************************************************************************************************
*                                                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_ColorList.c
Purpose     : Shows color list
----------------------------------------------------------------------
*/

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

/*********************************************************************
*
*       GUIDEMO_ShowColorList
*
**********************************************************************
*/

#if (LCD_BITSPERPIXEL > 2) && (LCD_BITSPERPIXEL <= 8)

void GUIDEMO_ShowColorList(void) {
  int NumColors = LCD_GetDevCap(LCD_DEVCAP_NUMCOLORS);
  int Lines = (NumColors - 1) / 16 + 1;
  int y0;
  #if (LCD_BITSPERPIXEL > 8)
    int XStep = LCD_XSIZE / 256;
    int YStep = NumColors / 256;
  #endif
  int i;
  #if GUIDEMO_LARGE
    y0 = 70;
  #elif !(GUIDEMO_TINY)
    #if (LCD_YSIZE < 120)
      y0 = 50;
    #else
      y0 = 55;
    #endif
  #else
    y0 = 16;
  #endif
  GUIDEMO_ShowIntro("Available colors",
                    "Shows the first of the"
                    "\navailable colors in the"
                    "\nsimulated configuration");
  GUI_SetColor(GUI_WHITE);
  GUI_SetBkColor(GUI_BLACK); 
  GUI_Clear();
	GUI_SetFont(&GUI_Font8x16);
	GUI_DispString("Available colors\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 (LCD_BITSPERPIXEL <= 8)
  {
    int XStep = LCD_XSIZE / 16;
    #if (LCD_YSIZE < 320)
      int YStep = (LCD_YSIZE - y0) / Lines;
    #else
      int YStep = (LCD_YSIZE - y0 - 60) / Lines;
    #endif
    int dy = (YStep <= 3) ? 1 : 2;
	  for (i = 0; i < NumColors; i++) {
      GUI_SetColorIndex(i);
      GUI_FillRect((i%16) * XStep + 2,
                   (i/16) * YStep + y0 + 1,
                   (i%16 + 1) * XStep - 1,
                   (i/16 + 1) * YStep + y0 - dy);
    }
  }
  #else
  {
	  for (i = 0; i < NumColors; i++) {
      GUI_SetColorIndex(i);
      GUI_DrawPoint((U8)(i) + ((LCD_XSIZE - 1 - 256) >> 1), (i >> 8) + y0);
    }
  }
  #endif
  GUIDEMO_Delay(2500);
}

#else

void GUIDEMO_ShowColorList(void) {}

#endif