graphicobject.c

STM32+Grlib

/**
  ******************************************************************************
  * @file    graphicObject.c
  * @author  MCD Application Team
  * @version V2.0.0
  * @date    11-July-2011
  * @brief   This file contains the methods to create the objects that
  *          can be printed on the LCD.
  ******************************************************************************
  * @attention
  *
  * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
  * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE
  * TIME. AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY
  * DIRECT, INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING
  * FROM THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE
  * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
  *
  * <h2><center>&copy; COPYRIGHT 2011 STMicroelectronics</center></h2>
  ******************************************************************************
  */ 

/* Includes ------------------------------------------------------------------*/
#include "graphicObject.h"
#include "images.h"
#include "touchscreen.h"
#include "TscHal.h"
#include "JoyHal.h"
#include "LcdHal.h"
#include "cursor.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

/** @addtogroup Embedded_GUI_Library
  * @{
  */

/** @defgroup graphicObject 
  * @brief graphicObject functions
  * @{
  */ 

/* External variables --------------------------------------------------------*/
extern __IO uint16_t GL_TextColor;
extern __IO uint32_t u32_TSXCoordinate;
extern __IO uint32_t u32_TSYCoordinate;

/* Private typedef -----------------------------------------------------------*/
/* Private defines -----------------------------------------------------------*/
/** @defgroup graphicObject_Private_Defines
  * @{
  */
#define FONT_LENGTH                     8
#define BUTTON_SLICE_LENGTH             8
#define SLIDEBAR_CURSOR_LENGTH          6
#define SLIDEBAR_CENTRAL_LENGTH         27
#define SLIDEBAR_OFFSET_LENGTH          4
#define SLIDEBAR_PIECE_LENGTH           4
#define SLIDEBAR_HEIGHT                 18
#define BUTTON_HEIGHT                   26
#define BUTTON_PIECE_LENGTH             8
#define RBUTTON_OPT_SIZE                20
#define RADIO_BUTTON_RADIUS             9
#define COMBOBOX_SIZE                   22
#define CHECKBOX_SIZE                   20
#define PAGE_MAX_NUM                    50
#define TIMEOUT                         1000000

/**
  * @}
  */ 
/* Private macros ------------------------------------------------------------*/
/** @defgroup graphicObject_Private_Macros
  * @{
  */
#define min(x,y)                    ((x<y)? x:y)
#define p_strncpy(oBuf, iBuf, Len)  strncpy((char*)oBuf, (char*)iBuf, (int)Len)
#define p_strlen(iBuf)              strlen((char*)iBuf)
#define p_strcmp(str1,str2)         strcmp((char*)str1,(char*)str2)
#define p_strcpy(str1,str2)         strcpy((char*)str1,(char*)str2)
/**
  * @}
  */
  
/* Private variables ---------------------------------------------------------*/
/** @defgroup graphicObject_Private_Variables
  * @{
  */    
GL_Page_TypeDef* PagesList[PAGE_MAX_NUM];

/*Header and bitmap image of cursor's symbol*/
static uint32_t SlidebarCursorPointer[] =
  {
    0x14, /*Height of cursor symbol*/
    0x06, /*Width of cursor symbol*/
    0x0D, /*Count of pixels of cursor symbol*/
    0x80001, 0x80001, 0x80001, 0x80001, 0x80001, 0x80001, 0x80001
  };

static uint16_t PageCount = 0;
static __IO uint32_t TimingDelay;

__IO uint32_t vu32_gTimeOutCount = 0;
__IO uint8_t vu8_gTouchEnable = 1;
__IO uint8_t vu8_gSleepState = 0;
uint8_t ValidTouchDetected = 0;
/* Set to 0 to disable The Automatic Backlight Switch Off */
__IO uint8_t vu8_gPowerSaveOption = 1;

/* touch_done global variable is used to handle the Touch event/interrupt.
   touch_done must be defined as external variable in main application using this library */
__IO uint8_t touch_done = 0;
__IO uint8_t joy_done = 0;
__IO uint8_t calibration_done = 0;

/**
  * @}
  */
/* Private function prototypes -----------------------------------------------*/
/** @defgroup graphicObject_Private_FunctionPrototypes
  * @{
  */
static void GL_SetStringFieldValue(uint8_t * dBuf, uint8_t * sBuf, uint32_t MaxLength) ;

static void CallPreEvents(GL_PageControls_TypeDef* pControl);
static void CallEvent(GL_PageControls_TypeDef* pControl);

static GL_ErrStatus Create_Label (GL_Label_TypeDef* );
static GL_ErrStatus Create_Button (GL_Button_TypeDef* );
static GL_ErrStatus Create_RadioButtonGrp (GL_RadioButtonGrp_TypeDef* );
static GL_ErrStatus Create_RadioButtonOption (GL_RadioOption_TypeDef* );
static GL_ErrStatus Create_ComboBoxGrp (GL_ComboBoxGrp_TypeDef* );
static GL_ErrStatus Create_ComboBoxOption (GL_ComboOption_TypeDef* );
static GL_ErrStatus Create_Checkbox (GL_Checkbox_TypeDef* );
static GL_ErrStatus Create_Switch (GL_Switch_TypeDef* );
static GL_ErrStatus Create_Icon (GL_Icon_TypeDef* );
static GL_ErrStatus Create_Slidebar (GL_Slidebar_TypeDef* );
static GL_ErrStatus Create_Histogram (GL_Histogram_TypeDef* );
static GL_ErrStatus Create_GraphChart (GL_GraphChart_TypeDef* );

static GL_ErrStatus SetLabelVisible(GL_PageControls_TypeDef* , GL_Coordinate_TypeDef );
static GL_ErrStatus SetCheckboxVisible(GL_PageControls_TypeDef* , GL_Coordinate_TypeDef );
static GL_ErrStatus SetSwitchVisible(GL_PageControls_TypeDef* , GL_Coordinate_TypeDef );
static GL_ErrStatus SetButtonVisible(GL_PageControls_TypeDef* , GL_Coordinate_TypeDef );
static GL_ErrStatus SetRadioButtonVisible(GL_PageControls_TypeDef* , GL_Coordinate_TypeDef );
static GL_ErrStatus SetComboBoxVisible(GL_PageControls_TypeDef* , GL_Coordinate_TypeDef );
static GL_ErrStatus SetIconVisible(GL_PageControls_TypeDef* , GL_Coordinate_TypeDef );
static GL_ErrStatus SetSlidebarVisible(GL_PageControls_TypeDef* , GL_Coordinate_TypeDef );
static GL_ErrStatus SetHistogramVisible( GL_PageControls_TypeDef* , GL_Coordinate_TypeDef );
static GL_ErrStatus SetGraphChartVisible( GL_PageControls_TypeDef* , GL_Coordinate_TypeDef );

static void SlidebarCursorPreDraw(GL_PageControls_TypeDef* pControl, GL_bool);
static GL_ObjDimensions_TypeDef GetObjSize(GL_PageControls_TypeDef* pPageControl);
static GL_Coordinate_TypeDef GetObjCoordinates(GL_Page_TypeDef* pPage, uint16_t ID);
static GL_ErrStatus SetPage(GL_Page_TypeDef* pThis, GL_bool bVal);
static void GL_DrawRectangle(uint16_t maxX, uint16_t minX, uint8_t maxY, uint8_t minY);

/**
  * @}
  */

/* Private functions ---------------------------------------------------------*/
/** @defgroup graphicObject_Private_Functions
  * @{
  */

/**
  * @brief  Displays a Rectangle.
  * @param  maxX - Maximum X coordinate
  * @param  minX - Minimum X coordinate
  * @param  maxY - Maximum Y coordinate
  * @param  minY - Minimum Y coordinate
  * @retval None
  */
static void GL_DrawRectangle(uint16_t maxX, uint16_t minX, uint8_t maxY, uint8_t minY)
{
  GL_DrawLine(minY, maxX, maxX - minX, GL_Horizontal);
  GL_DrawLine((minY + maxY - minY), maxX, maxX - minX, GL_Horizontal);

  GL_DrawLine(minY, maxX, maxY - minY, GL_Vertical);
  GL_DrawLine(minY, (maxX - (maxX - minX) + 1), maxY - minY, GL_Vertical);
}

/**
  * @brief  Displays a filled Rectangle.
  * @param  maxX: Maximum X coordinate
  * @param  minX: Minimum X coordinate
  * @param  maxY: Maximum Y coordinate
  * @param  minY: Minimum Y coordinate
  * @param  Color: The filling color
  * @retval None
  */
static void GL_DrawFilledRectangle(uint16_t maxX, uint16_t minX, uint8_t maxY, uint8_t minY, uint16_t Color)
{
  uint32_t counter = 0;

  if ( (maxX > minX + 1) && (maxY > minY - 1) )
  {
    GL_DrawLine(minY, maxX, maxX - minX, GL_Horizontal);
    GL_DrawLine((minY + maxY - minY), maxX, maxX - minX, GL_Horizontal);

    GL_DrawLine(minY, maxX, maxY - minY, GL_Vertical);
    GL_DrawLine(minY, (maxX - (maxX - minX) + 1), maxY - minY, GL_Vertical);
  }

  GL_SetTextColor(Color);
  for (counter = 1; counter < (maxY - minY); counter++)
  {
    GL_DrawLine(minY + counter, maxX - 1, maxX - minX - 2, GL_Horizontal);
  }
}

/**
  * @brief  Displays a circle.
  * @param  Xpos: specifies the X position.
  * @param  Ypos: specifies the Y position.
  * @param  Radius: specifies the circle radius.
  * @param  Color: specifies the filling color.
  * @retval None
  */
void GL_DrawFilledCircle(uint16_t Xpos, uint8_t Ypos, uint16_t Radius, uint16_t Color)
{
  uint32_t n = 2;
  GL_LCD_DrawCircle( Ypos - Radius, Xpos - Radius, Radius);
  GL_LCD_DrawCircle( Ypos - Radius, Xpos - Radius, Radius - 1);
  GL_SetTextColor(Color);
  for (; n < Radius; n++)
  {
    GL_LCD_DrawCircle( Ypos - Radius, Xpos - Radius, Radius - n);
  }
}

/**
  * @brief  Displays a line using Bresenham line algorithm.
  * @param  Xpos1: specifies the first point X position
  * @param  Ypos1: specifies the first point Y position
  * @param  Xpos2: specifies the second point X position
  * @param  Ypos2: specifies the second point Y position
  * @param  Color: RGB color of line.
  * @retval None
  */
static void GL_DrawObliqueLine(uint16_t Ypos1, uint16_t Xpos1, uint16_t Ypos2, uint16_t Xpos2, uint16_t Color)
{
  uint8_t steep = 0; /* Steepness of line,0 - non-steep (angle 45