#include <stdlib.h>     //exit()
#include <signal.h>     //signal()
#include <time.h>
#include "GUI_Paint.h"
#include "GUI_BMPfile.h"
#include "ImageData.h"
#include "EPD_2in13.h"

void  Handler(int signo)
{
    //System Exit
    printf("\r\nHandler:Goto Sleep mode\r\n");
    EPD_Sleep();
    DEV_ModuleExit();

    exit(0);
}

int main(void)
{
    printf("2.13inch e-Paper demo\r\n");
    DEV_ModuleInit();

    // Exception handling:ctrl + c
    signal(SIGINT, Handler);

    if(EPD_Init(lut_full_update) != 0) {
        printf("e-Paper init failed\r\n");
    }
    EPD_Clear();
    DEV_Delay_ms(500);

    //Create a new image cache
    UBYTE *BlackImage;
    UWORD Imagesize = ((EPD_WIDTH % 8 == 0)? (EPD_WIDTH / 8 ): (EPD_WIDTH / 8 + 1)) * EPD_HEIGHT;
    if((BlackImage = (UBYTE *)malloc(Imagesize)) == NULL) {
        printf("Failed to apply for memory...\r\n");
        return -1;
    }
    printf("Paint_NewImage\r\n");
    Paint_NewImage(BlackImage, EPD_WIDTH, EPD_HEIGHT, 90, WHITE);
    Paint_SelectImage(BlackImage);
    Paint_Clear(WHITE);

#if 1   //show image for array    
    printf("show image for array\r\n");
    Paint_SelectImage(BlackImage);
    Paint_Clear(WHITE);
    Paint_DrawBitMap(gImage_2in13);

    EPD_Display(BlackImage);
    DEV_Delay_ms(2000);
#endif

#if 1   // show bmp    
    printf("show bmp\r\n");
    Paint_SelectImage(BlackImage);
    
    Paint_Clear(WHITE);
    GUI_ReadBmp("./pic/100x100.bmp", 0, 0);
    EPD_Display(BlackImage);
    DEV_Delay_ms(500);

    Paint_Clear(WHITE);    
    GUI_ReadBmp("./pic/2in13.bmp", 0, 0);
    EPD_Display(BlackImage);
    DEV_Delay_ms(2000);
#endif

#if 1   // Drawing on the image
    //1.Select Image
    Paint_SelectImage(BlackImage);
    Paint_Clear(WHITE);

    // 2.Drawing on the image
    Paint_DrawPoint(5, 10, BLACK, DOT_PIXEL_1X1, DOT_STYLE_DFT);
    Paint_DrawPoint(5, 25, BLACK, DOT_PIXEL_2X2, DOT_STYLE_DFT);
    Paint_DrawPoint(5, 40, BLACK, DOT_PIXEL_3X3, DOT_STYLE_DFT);
    Paint_DrawPoint(5, 55, BLACK, DOT_PIXEL_4X4, DOT_STYLE_DFT);

    Paint_DrawLine(20, 10, 70, 60, BLACK, LINE_STYLE_SOLID, DOT_PIXEL_1X1);
    Paint_DrawLine(70, 10, 20, 60, BLACK, LINE_STYLE_SOLID, DOT_PIXEL_1X1);
    Paint_DrawRectangle(20, 10, 70, 60, BLACK, DRAW_FILL_EMPTY, DOT_PIXEL_1X1);
    Paint_DrawRectangle(85, 10, 135, 60, BLACK, DRAW_FILL_FULL, DOT_PIXEL_1X1);

    Paint_DrawLine(45, 15, 45, 55, BLACK, LINE_STYLE_DOTTED, DOT_PIXEL_1X1);
    Paint_DrawLine(25, 35, 70, 35, BLACK, LINE_STYLE_DOTTED, DOT_PIXEL_1X1);
    Paint_DrawCircle(45, 35, 20, BLACK, DRAW_FILL_EMPTY, DOT_PIXEL_1X1);
    Paint_DrawCircle(110, 35, 20, WHITE, DRAW_FILL_FULL, DOT_PIXEL_1X1);

    Paint_DrawString_EN(140, 15, "waveshare", &Font16, BLACK, WHITE);
    Paint_DrawNum(140, 40, 123456789, &Font16, BLACK, WHITE);

    Paint_DrawString_CN(140, 60, "ÄãºÃabc", &Font12CN, BLACK, WHITE);
    Paint_DrawString_CN(5, 65, "΢ѩµç×Ó", &Font24CN, WHITE, BLACK);

    EPD_Display(BlackImage);
#endif

#if 1   //Partial refresh, example shows time    
    if(EPD_Init(lut_partial_update) != 0) {
        printf("e-Paper init failed\r\n");
    }
    Paint_SelectImage(BlackImage);
    PAINT_TIME sPaint_time;
    sPaint_time.Hour = 12;
    sPaint_time.Min = 34;
    sPaint_time.Sec = 56;
    for (;;) {
        sPaint_time.Sec = sPaint_time.Sec + 1;
        if (sPaint_time.Sec == 60) {
            sPaint_time.Min = sPaint_time.Min + 1;
            sPaint_time.Sec = 0;
            if (sPaint_time.Min == 60) {
                sPaint_time.Hour =  sPaint_time.Hour + 1;
                sPaint_time.Min = 0;
                if (sPaint_time.Hour == 24) {
                    sPaint_time.Hour = 0;
                    sPaint_time.Min = 0;
                    sPaint_time.Sec = 0;
                }
            }
        }
        Paint_ClearWindows(140, 90, 140 + Font20.Width * 7, 90 + Font20.Height, WHITE);
        Paint_DrawTime(140, 90, &sPaint_time, &Font20, WHITE, BLACK);

        EPD_Display(BlackImage);
        DEV_Delay_ms(500);//Analog clock 1s
    }

#endif

    printf("Goto Sleep mode...\r\n");
    EPD_Sleep();

    if(NULL != BlackImage) {
        free(BlackImage);
        BlackImage = NULL;
    }

    return 0;
}