#include <stdlib.h>     //exit()
#include <signal.h>     //signal()
#include <time.h>
#include "GUI_Paint.h"
#include "GUI_BMPfile.h"
#include "ImageData.h"
#include "EPD_2in7b.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("2.7inch e-Paper B(C) demo\r\n");
    DEV_ModuleInit();

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

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

    //Create a new image cache named IMAGE_BW and fill it with white
    UBYTE *BlackImage, *RedImage;
    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 black memory...\r\n");
        exit(0);
    }
    if((RedImage = (UBYTE *)malloc(Imagesize)) == NULL) {
        printf("Failed to apply for red memory...\r\n");
        exit(0);
    }
    printf("NewImage:BlackImage and RedImage\r\n");
    Paint_NewImage(BlackImage, EPD_WIDTH, EPD_HEIGHT, 270, WHITE);
    Paint_NewImage(RedImage, EPD_WIDTH, EPD_HEIGHT, 270, WHITE);

    //Select Image
    Paint_SelectImage(BlackImage);
    Paint_Clear(WHITE);
    Paint_SelectImage(RedImage);
    Paint_Clear(WHITE);
    
#if 1   // show bmp  
    printf("show windows------------------------\r\n");
    printf("read black bmp\r\n");
    Paint_SelectImage(BlackImage);
    Paint_Clear(WHITE);
    GUI_ReadBmp("./pic/100x100.bmp", 50, 10);

    printf("read red bmp\r\n");
    Paint_SelectImage(RedImage);
    Paint_Clear(WHITE);
    
    EPD_Display(BlackImage, RedImage);
    DEV_Delay_ms(2000);

    printf("show bmp------------------------\r\n");
    printf("read black bmp\r\n");
    Paint_SelectImage(BlackImage);
    GUI_ReadBmp("./pic/2in7b-b.bmp", 0, 0);
    printf("read red bmp\r\n");
    Paint_SelectImage(RedImage);
    GUI_ReadBmp("./pic/2in7b-r.bmp", 0, 0);

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

#if 1   // show image for array   
    printf("show image for array\r\n");
    Paint_SelectImage(BlackImage);
    Paint_DrawBitMap(gImage_2in7b_b);
    Paint_SelectImage(RedImage);
    Paint_DrawBitMap(gImage_2in7b_r);
    EPD_Display(BlackImage, RedImage);
    DEV_Delay_ms(2000);
#endif

#if 1   // Drawing on the image
    /*Horizontal screen*/
    //1.Draw black image
    Paint_SelectImage(BlackImage);
    Paint_Clear(WHITE);
    Paint_DrawPoint(10, 80, BLACK, DOT_PIXEL_1X1, DOT_STYLE_DFT);
    Paint_DrawPoint(10, 90, BLACK, DOT_PIXEL_2X2, DOT_STYLE_DFT);
    Paint_DrawPoint(10, 100, BLACK, DOT_PIXEL_3X3, DOT_STYLE_DFT);
    Paint_DrawPoint(10, 110, BLACK, DOT_PIXEL_3X3, DOT_STYLE_DFT);
    Paint_DrawLine(20, 70, 70, 120, BLACK, LINE_STYLE_SOLID, DOT_PIXEL_1X1);
    Paint_DrawLine(70, 70, 20, 120, BLACK, LINE_STYLE_SOLID, DOT_PIXEL_1X1);      
    Paint_DrawRectangle(20, 70, 70, 120, BLACK, DRAW_FILL_EMPTY, DOT_PIXEL_1X1);
    Paint_DrawRectangle(80, 70, 130, 120, BLACK, DRAW_FILL_FULL, DOT_PIXEL_1X1);
    Paint_DrawString_EN(10, 0, "waveshare", &Font16, BLACK, WHITE);    
    Paint_DrawString_CN(130, 20, "΢ѩµç×Ó", &Font24CN, WHITE, BLACK);
    Paint_DrawNum(10, 50, 987654321, &Font16, WHITE, BLACK);
    
    //2.Draw red image
    Paint_SelectImage(RedImage);
    Paint_Clear(WHITE);
    Paint_DrawCircle(160, 95, 20, BLACK, DRAW_FILL_EMPTY, DOT_PIXEL_1X1);
    Paint_DrawCircle(210, 95, 20, BLACK, DRAW_FILL_FULL, DOT_PIXEL_1X1);
    Paint_DrawLine(85, 95, 125, 95, BLACK, LINE_STYLE_DOTTED, DOT_PIXEL_1X1);
    Paint_DrawLine(105, 75, 105, 115, BLACK, LINE_STYLE_DOTTED, DOT_PIXEL_1X1);  
    Paint_DrawString_CN(130, 0,"ÄãºÃabcÊ÷Ý®ÅÉ", &Font12CN, BLACK, WHITE);
    Paint_DrawString_EN(10, 20, "hello world", &Font12, WHITE, BLACK);
    Paint_DrawNum(10, 33, 123456789, &Font12, BLACK, WHITE);
    
    printf("EPD_Display\r\n");
    EPD_Display(BlackImage, RedImage);
    DEV_Delay_ms(2000);
#endif

    printf("Goto Sleep mode...\r\n");
    EPD_Sleep();
    free(BlackImage);
    BlackImage = NULL;
    free(RedImage);
    RedImage = NULL;
    
    return 0;
}