C++ GrContextBackgroundSet函数代码示例

void ClearRightButton( tContext *context ){
	GrContextForegroundSet( context, ClrWhite);
	GrContextBackgroundSet( context, ClrBlack);
	GrRectFill( context, &myRectangleBotRight);
	GrContextForegroundSet( context, ClrBlack);
	GrContextBackgroundSet( context, ClrWhite);
}

void window_drawtime(tContext *pContext, long y, uint8_t times[3], uint8_t selected)
{
  char data[3];
  data[0] = data[1] = '0';
  data[2] = ':';
  #define SPACING 3
  uint8_t height = GrStringHeightGet(pContext);
  
  uint8_t width_all = GrStringWidthGet(pContext, data, 3) + 10;
  uint8_t width_digit = GrStringWidthGet(pContext, data, 2) + 4;

  long startx = (LCD_WIDTH - width_all - width_all - width_digit) / 2;
  if (startx < 0) startx = 0;

  for(int i = 0; i < 3; i++)
  {
    data[0] = '0' + times[i] / 10;
    data[1] = '0' + times[i] % 10;

    GrContextForegroundSet(pContext, ClrWhite);
    GrContextBackgroundSet(pContext, ClrBlack);

    if (selected & (1 << i))
      window_selecttext(pContext, data, 2, startx + SPACING + i * width_all, y);
    else
      GrStringDraw(pContext, data, 2, startx + SPACING + i * width_all, y, 0);

    if (i != 2)
    {
      GrContextForegroundSet(pContext, ClrWhite);
      GrContextBackgroundSet(pContext, ClrBlack);
      GrStringDraw(pContext, ":", 1, startx + SPACING + width_digit + i * width_all, y, 0);
    }
  }
}

void PrintReminder(tContext *context, y_menus f_menuChoice){
	char outString[32] = "";
	unsigned char text_start = 18;

	// Draw top and bottom banner and buttons
	LoadLeftButton( context , "BACK");
	LoadMiddleButton( context , "SEL");
	//LoadRightButton("");


	// Menu options
	GrStringDraw( context, "Create Reminder", AUTO_STRING_LENGTH, 5, 18, OPAQUE_TEXT);
	GrStringDraw( context, "Remove Reminder", AUTO_STRING_LENGTH, 5, 31, OPAQUE_TEXT);


	// Highlight selected item
	switch (f_menuChoice) {
	case Reminder_Create:
		text_start = 18;
		strcpy(outString, "Create Reminder");
		break;
	case Reminder_Remove:
		text_start = 31;
		strcpy(outString, "Remove Reminder");
		break;
	default: break;
	}

	GrContextForegroundSet(context, ClrWhite); //ClrBlack       this affects the highlight color
	GrContextBackgroundSet(context, ClrBlack);    //ClrWhite      this affects the text color in the highlight
	GrStringDraw(context, outString, AUTO_STRING_LENGTH, 5, text_start, OPAQUE_TEXT);
	GrContextForegroundSet(context, ClrBlack);
	GrContextBackgroundSet(context, ClrWhite);

}

//*****************************************************************************
//
// This function updates the contents of the directory text window.
//
// \param None.
//
// This function is will update the state of the directory window.  This can
// be the result of a DirUpdate() call which completely changed the contents
// of the window, or a selection changed and the screen needs to be updated.
//
// \return None.
//
//*****************************************************************************
void
UpdateWindow(void)
{
    int iIdx;
    int iLine;

    //
    // Set the first line of the directory text window.
    //
    iLine = TOP_HEIGHT;

    //
    // Clear out the text area for the entries.
    //
    ClearTextBox();

    //
    // Display all valid values.
    //
    for(iIdx = 0; iIdx < g_DirData.ulValidValues; iIdx++)
    {
        //
        // Change the backgound for the selected item.
        //
        if(g_DirData.ulSelectIndex == iIdx)
        {
            GrContextBackgroundSet(&g_sContext, ClrGray);
        }
        else
        {
            GrContextBackgroundSet(&g_sContext, ClrBlack);
        }

        //
        // Change the color for directories.
        //
        if (g_DirData.FileInfo[iIdx].fattrib & AM_DIR)
        {
            GrContextForegroundSet(&g_sContext, DIR_COLOR);
            GrStringDraw(&g_sContext, g_DirData.FileInfo[iIdx].fname,
                         100, 0, iLine, 1);
        }
        //
        // Change the color for files.
        //
        else
        {
            GrContextForegroundSet(&g_sContext, FILE_COLOR);
            GrStringDraw(&g_sContext, g_DirData.FileInfo[iIdx].fname,
                         100, 0, iLine, 1);
        }

        //
        // Move down by the height of the characters used.
        //
        iLine += g_sFontFixed6x8.ucHeight;
    }
}

void LoadLeftButton( tContext *context, const char * text){
	GrRectFill( context, &myRectangleBotLeft);

	GrContextForegroundSet( context, ClrWhite);
	GrContextBackgroundSet( context, ClrBlack);
	GrStringDrawCentered( context, text, AUTO_STRING_LENGTH, 14, 88, TRANSPARENT_TEXT);
	GrContextForegroundSet( context, ClrBlack);
	GrContextBackgroundSet( context, ClrWhite);
}

// Needed since the TivaWare Graphics Library seems to not have a function
// for clearing the display.
void BlankScreen(void)
{
    GrContextForegroundSet(&g_sContext, ClrWhite);
	GrContextBackgroundSet(&g_sContext, ClrBlack);
    GrRectFill(&g_sContext, &(g_sContext.sClipRegion));
    GrFlush(&g_sContext);
	GrContextForegroundSet(&g_sContext, ClrBlack);
	GrContextBackgroundSet(&g_sContext, ClrWhite);
}

/**********************************************************************//**
 * @brief  Initializes the System
 *
 * @param  none
 *
 * @return none
 *************************************************************************/
void SystemInit(void)
{
    // Set the DCO to 8MHz (it's also the device's power-on setting). Do not change this frequency!
    // It impacts the cap touch scan window.
    CS_setDCOFreq(__MSP430_BASEADDRESS_CS__, CS_DCORSEL_0, CS_DCOFSEL_6);

    // Configure clock source and clock dividers. After this the clock configuration will be as follows:
    // ACLK=LFXT1/1=32,768Hz; SMCLK=DCOCLK/1=8MHz; and MCLK=DCOCLK/1=8MHz.
    CS_clockSignalInit(__MSP430_BASEADDRESS_CS__, CS_ACLK, CS_LFXTCLK_SELECT, CS_CLOCK_DIVIDER_1);
    CS_clockSignalInit(__MSP430_BASEADDRESS_CS__, CS_SMCLK, CS_DCOCLK_SELECT, CS_CLOCK_DIVIDER_1);
    CS_clockSignalInit(__MSP430_BASEADDRESS_CS__, CS_MCLK, CS_DCOCLK_SELECT, CS_CLOCK_DIVIDER_1);

    // Set all GPIO to output low to minimize current draw by eliminating floating pins.
    GPIO_setOutputLowOnPin(GPIO_PORT_PA, GPIO_PIN0 | GPIO_PIN1 | GPIO_PIN2 | GPIO_PIN3 | GPIO_PIN4 | GPIO_PIN5 | GPIO_PIN6 | GPIO_PIN7 | GPIO_PIN8 | GPIO_PIN9 | GPIO_PIN10 | GPIO_PIN11 | GPIO_PIN12 | GPIO_PIN13 | GPIO_PIN14 | GPIO_PIN15);
    GPIO_setOutputLowOnPin(GPIO_PORT_PB, GPIO_PIN0 | GPIO_PIN1 | GPIO_PIN2 | GPIO_PIN3 | GPIO_PIN4 | GPIO_PIN5 | GPIO_PIN6 | GPIO_PIN7 | GPIO_PIN8 | GPIO_PIN9 | GPIO_PIN10 | GPIO_PIN11 | GPIO_PIN12 | GPIO_PIN13 | GPIO_PIN14 | GPIO_PIN15);
    GPIO_setOutputLowOnPin(GPIO_PORT_PJ, GPIO_PIN0 | GPIO_PIN1 | GPIO_PIN2 | GPIO_PIN3 | GPIO_PIN6 | GPIO_PIN7 | GPIO_PIN8 | GPIO_PIN9 | GPIO_PIN10 | GPIO_PIN11 | GPIO_PIN12 | GPIO_PIN13 | GPIO_PIN14 | GPIO_PIN15);
    GPIO_setAsOutputPin(GPIO_PORT_PA, GPIO_PIN0 | GPIO_PIN1 | GPIO_PIN2 | GPIO_PIN3 | GPIO_PIN4 | GPIO_PIN5 | GPIO_PIN6 | GPIO_PIN7 | GPIO_PIN8 | GPIO_PIN9 | GPIO_PIN10 | GPIO_PIN11 | GPIO_PIN12 | GPIO_PIN13 | GPIO_PIN14 | GPIO_PIN15);
    GPIO_setAsOutputPin(GPIO_PORT_PB, GPIO_PIN0 | GPIO_PIN1 | GPIO_PIN2 | GPIO_PIN3 | GPIO_PIN4 | GPIO_PIN5 | GPIO_PIN6 | GPIO_PIN7 | GPIO_PIN8 | GPIO_PIN9 | GPIO_PIN10 | GPIO_PIN11 | GPIO_PIN12 | GPIO_PIN13 | GPIO_PIN14 | GPIO_PIN15);
    GPIO_setAsOutputPin(GPIO_PORT_PJ, GPIO_PIN0 | GPIO_PIN1 | GPIO_PIN2 | GPIO_PIN3 | GPIO_PIN6 | GPIO_PIN7 | GPIO_PIN8 | GPIO_PIN9 | GPIO_PIN10 | GPIO_PIN11 | GPIO_PIN12 | GPIO_PIN13 | GPIO_PIN14 | GPIO_PIN15);

    // Configure the left button (S2) connected to P4.6. For this enable the internal pull-up resistor and
    // setup the pin interrupt to trigger on rising edges.
    GPIO_setAsInputPinWithPullUpresistor(GPIO_PORT_P4, GPIO_PIN5);
    GPIO_interruptEdgeSelect(GPIO_PORT_P4, GPIO_PIN5, GPIO_LOW_TO_HIGH_TRANSITION);
    GPIO_clearInterruptFlag(GPIO_PORT_P4, GPIO_PIN5);
    GPIO_enableInterrupt(GPIO_PORT_P4, GPIO_PIN5);

    // Configure the right button (S3) connected to P1.1. For this enable the internal pull-up resistor and
    // setup the pin interrupt to trigger on rising edges.
    GPIO_setAsInputPinWithPullUpresistor(GPIO_PORT_P1, GPIO_PIN1);
    GPIO_interruptEdgeSelect(GPIO_PORT_P1, GPIO_PIN1, GPIO_LOW_TO_HIGH_TRANSITION);
    GPIO_clearInterruptFlag(GPIO_PORT_P1, GPIO_PIN1);
    GPIO_enableInterrupt(GPIO_PORT_P1, GPIO_PIN1);

    // CapSense Setup. GPIO pins P1.3-1.5 and P3.4-3.6 are used for capacitive touch so let's
    // switch them to inputs.
 //   GPIO_setAsInputPin(GPIO_PORT_P1, GPIO_PIN3 | GPIO_PIN4 | GPIO_PIN5);
    GPIO_setAsInputPin(GPIO_PORT_P3, GPIO_PIN4 | GPIO_PIN5 | GPIO_PIN6);

    // Enable LFXT functionality on PJ.4 and PJ.5. For this we only need to configure PJ.4 to
    // LFXIN and the port module logic takes care of the rest.
    GPIO_setAsPeripheralModuleFunctionInputPin(GPIO_PORT_PJ, GPIO_PIN4, GPIO_PRIMARY_MODULE_FUNCTION);

    // Disable the GPIO power-on default high-impedance mode to activate previously configured port settings
    PMM_unlockLPM5(__MSP430_BASEADDRESS_PMM_FRAM__);

    // Perform the required LFXT startup procedure now that all of the port pins are configured.
    CS_setExternalClockSource(__MSP430_BASEADDRESS_CS__, 32768, 0);
    CS_LFXTStart(__MSP430_BASEADDRESS_CS__, CS_LFXT_DRIVE0);

    // Initialize LCD driver and the context for the LCD
    Sharp96x96_LCDInit();
    TA0_enableVCOMToggle();
    GrContextInit(&sContext, &g_sharp96x96LCD);
    GrContextForegroundSet(&sContext, ClrBlack);
    GrContextBackgroundSet(&sContext, ClrWhite);


    onLED();                                   //blink LED1
}

//*****************************************************************************
//
// This hook is called by FreeRTOS when an stack overflow error is detected.
//
//*****************************************************************************
void
vApplicationStackOverflowHook(xTaskHandle *pxTask, signed char *pcTaskName)
{
    tContext sContext;

    //
    // A fatal FreeRTOS error was detected, so display an error message.
    //
    GrContextInit(&sContext, &g_sKentec320x240x16_SSD2119);
    GrContextForegroundSet(&sContext, ClrRed);
    GrContextBackgroundSet(&sContext, ClrBlack);
    GrContextFontSet(&sContext, g_psFontCm20);
    GrStringDrawCentered(&sContext, "Fatal FreeRTOS error!", -1,
                         GrContextDpyWidthGet(&sContext) / 2,
                         (((GrContextDpyHeightGet(&sContext) - 24) / 2) +
                          24), 1);

    //
    // This function can not return, so loop forever.  Interrupts are disabled
    // on entry to this function, so no processor interrupts will interrupt
    // this loop.
    //
    while(1)
    {
    }
}

//*****************************************************************************
//
// This hook is called by SafeRTOS when an error is detected.
//
//*****************************************************************************
static void
SafeRTOSErrorHook(xTaskHandle xHandleOfTaskWithError,
                  signed portCHAR *pcNameOfTaskWithError,
                  portBASE_TYPE xErrorCode)
{
    tContext sContext;

    //
    // A fatal SafeRTOS error was detected, so display an error message.
    //
    GrContextInit(&sContext, &g_sKitronix320x240x16_SSD2119);
    GrContextForegroundSet(&sContext, ClrRed);
    GrContextBackgroundSet(&sContext, ClrBlack);
    GrContextFontSet(&sContext, g_pFontCm20);
    GrStringDrawCentered(&sContext, "Fatal SafeRTOS error!", -1,
                         GrContextDpyWidthGet(&sContext) / 2,
                         (((GrContextDpyHeightGet(&sContext) - 24) / 2) +
                          24), 1);

    //
    // This function can not return, so loop forever.  Interrupts are disabled
    // on entry to this function, so no processor interrupts will interrupt
    // this loop.
    //
    while(1)
    {
    }
}

void lcd_init(){
	Dogs102x64_UC1701Init();
	GrContextInit(&g_sContext, &g_sDogs102x64_UC1701);
	GrContextForegroundSet(&g_sContext, ClrBlack);
	GrContextBackgroundSet(&g_sContext, ClrWhite);
	GrContextFontSet(&g_sContext, &g_sFontFixed6x8);
	GrClearDisplay(&g_sContext);
}

//*****************************************************************************
//
// Draws a toggle button.
//
//*****************************************************************************
void
DrawToggle(const tButtonToggle *psButton, bool bOn)
{
    tRectangle sRect;
    int16_t i16X, i16Y;

    //
    // Copy the data out of the bounds of the button.
    //
    sRect = psButton->sRectButton;

    GrContextForegroundSet(&g_sContext, ClrLightGrey);
    GrRectFill(&g_sContext, &psButton->sRectContainer);

    //
    // Copy the data out of the bounds of the button.
    //
    sRect = psButton->sRectButton;

    GrContextForegroundSet(&g_sContext, ClrDarkGray);
    GrRectFill(&g_sContext, &psButton->sRectButton);

    if(bOn) {
        sRect.i16XMin += 2;
        sRect.i16YMin += 2;
        sRect.i16XMax -= 15;
        sRect.i16YMax -= 2;
    } else {
        sRect.i16XMin += 15;
        sRect.i16YMin += 2;
        sRect.i16XMax -= 2;
        sRect.i16YMax -= 2;
    }
    GrContextForegroundSet(&g_sContext, ClrLightGrey);
    GrRectFill(&g_sContext, &sRect);

    GrContextFontSet(&g_sContext, &g_sFontCm16);
    GrContextForegroundSet(&g_sContext, ClrBlack);
    GrContextBackgroundSet(&g_sContext, ClrLightGrey);

    i16X = sRect.i16XMin + ((sRect.i16XMax - sRect.i16XMin) / 2);
    i16Y = sRect.i16YMin + ((sRect.i16YMax - sRect.i16YMin) / 2);

    if(bOn) {
        GrStringDrawCentered(&g_sContext, psButton->pcOn, -1, i16X, i16Y,
                             true);
    } else {
        GrStringDrawCentered(&g_sContext, psButton->pcOff, -1, i16X, i16Y,
                             true);
    }

    if(psButton->pcLabel) {
        GrStringDraw(&g_sContext, psButton->pcLabel, -1,
                     psButton->sRectButton.i16XMax + 2,
                     psButton->sRectButton.i16YMin + 6,
                     true);
    }
}

void print_string(int column,int row,char *s){
    GrContextForegroundSet(&g_sContext, ClrBlack);
    GrContextBackgroundSet(&g_sContext, ClrWhite);

    GrStringDraw(&g_sContext,
    		s,
    		AUTO_STRING_LENGTH,
    		column,
    		row,OPAQUE_TEXT);
}

void print_char(int column,int row,const char s){
    GrContextForegroundSet(&g_sContext, ClrBlack);
    GrContextBackgroundSet(&g_sContext, ClrWhite);

    char S[2] = {s, 0};
    GrStringDraw(&g_sContext,
    		S,
    		AUTO_STRING_LENGTH,
    		column,
    		row,OPAQUE_TEXT);
}

void PrintBasTmpActive(tContext *context, y_menus f_menuChoice){
    char outString[32];
    unsigned char text_start = 18;

    // Draw top and bottom banner and buttons
	LoadLeftButton( context , "BACK");
	LoadMiddleButton( context , "SEL");
	//LoadRightButton("");


	// Menu options
	GrStringDraw(context, "Start Profile", AUTO_STRING_LENGTH, 5, 18, OPAQUE_TEXT);
	GrStringDraw(context, "Stop Temporary", AUTO_STRING_LENGTH, 5, 31, OPAQUE_TEXT);
	GrStringDraw(context, "Manage Profiles", AUTO_STRING_LENGTH, 5, 44, OPAQUE_TEXT);

    // Highlight selected item
    switch (f_menuChoice) {
    case Basal_StartProfile:
        text_start = 18;
        strcpy(outString, "Start Profile");
        break;
    case Basal_StopTmp:
        text_start = 31;
        strcpy(outString, "Stop Temporary");
        break;
    case Basal_Manage:
        text_start = 44;
        strcpy(outString, "Manage Profiles");
        break;

    default: break;
    }

    GrContextForegroundSet(context, ClrWhite); //ClrBlack       this affects the highlight color
    GrContextBackgroundSet(context, ClrBlack);    //ClrWhite      this affects the text color in the highlight
    GrStringDraw(context, outString, AUTO_STRING_LENGTH, 5, text_start, OPAQUE_TEXT);
	GrContextForegroundSet(context, ClrBlack);
	GrContextBackgroundSet(context, ClrWhite);
}

void print_int(int column,int row,int n){
    GrContextForegroundSet(&g_sContext, ClrBlack);
    GrContextBackgroundSet(&g_sContext, ClrWhite);

    char s[10];
    snprintf(s,10,"%d",n);

    GrStringDraw(&g_sContext,
    		s,
    		AUTO_STRING_LENGTH,
    		column,
    		row,TRANSPARENT_TEXT);
}