widget_progbar.c

uC/GUI是一个通用的嵌入式应用的图形模块

/*
*********************************************************************************************************
*                                                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        : WIDGET_Progbar.c
Purpose     : Simple demo shows the use of the PROGBAR widget
----------------------------------------------------------------------
*/

#include "gui.h"
#include "progbar.h"

/*******************************************************************
*
*            Shows the use of progress bars
*
********************************************************************
*/

static void DemoProgBar(void) {
  int i;
  PROGBAR_Handle ahProgBar[2];
  GUI_Clear();
  GUI_SetColor(GUI_WHITE);
  GUI_SetFont(&GUI_Font8x16);
  GUI_DispStringAt("Progress bar", 100,80);
  /* Create `em */  
  ahProgBar[0] = PROGBAR_Create(100,100,100,20, WM_CF_SHOW);
  ahProgBar[1] = PROGBAR_Create( 80,150,140,10, WM_CF_SHOW);
  /* Use memory device (optional, for better looks) */
  PROGBAR_EnableMemdev(ahProgBar[0]);
  PROGBAR_EnableMemdev(ahProgBar[1]);
  GUI_Delay (1000);
  PROGBAR_SetMinMax(ahProgBar[1], 0, 500);
  while(1) {
    PROGBAR_SetFont(ahProgBar[0], &GUI_Font8x16);
    if (LCD_GetDevCap(LCD_DEVCAP_BITSPERPIXEL) <= 4) {
      PROGBAR_SetBarColor(ahProgBar[0], 0, GUI_DARKGRAY);
      PROGBAR_SetBarColor(ahProgBar[0], 1, GUI_LIGHTGRAY);
    } else {
      PROGBAR_SetBarColor(ahProgBar[0], 0, GUI_GREEN);
      PROGBAR_SetBarColor(ahProgBar[0], 1, GUI_RED);
    }
    for (i=0; i<=100; i++) {
      PROGBAR_SetValue(ahProgBar[0], i);
      PROGBAR_SetValue(ahProgBar[1], i);
      GUI_Delay(5);
    }
    PROGBAR_SetText(ahProgBar[0], "Tank empty");
    for (; i>=0; i--) {
      PROGBAR_SetValue(ahProgBar[0], i);
      PROGBAR_SetValue(ahProgBar[1], 200-i);
      GUI_Delay(5);
    }
    PROGBAR_SetText(ahProgBar[0], "Any text ...");
    PROGBAR_SetTextAlign(ahProgBar[0], GUI_TA_LEFT);
    for (; i<=100; i++) {
      PROGBAR_SetValue(ahProgBar[0], i);
      PROGBAR_SetValue(ahProgBar[1], 200+i);
      GUI_Delay(5);
    }
    PROGBAR_SetTextAlign(ahProgBar[0], GUI_TA_RIGHT);
    for (; i>=0; i--) {
      PROGBAR_SetValue(ahProgBar[0], i);
      PROGBAR_SetValue(ahProgBar[1], 400-i);
      GUI_Delay(5);
    }
    PROGBAR_SetFont(ahProgBar[0], &GUI_FontComic18B_1);
    PROGBAR_SetText(ahProgBar[0], "Any font ...");
    for (; i<=100; i++) {
      PROGBAR_SetValue(ahProgBar[0], i);
      PROGBAR_SetValue(ahProgBar[1], 400+i);
      GUI_Delay(5);
    }
    GUI_Delay(1000);
  }
}

/*******************************************************************
*
*                 main
*
********************************************************************
*/

void main(void) {
  GUI_Init();
  DemoProgBar();
}