691 lines
		
	
	
		
			16 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			691 lines
		
	
	
		
			16 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| #include <string.h>
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| #include "miniGUI.h"
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| #include "AsciiLib.h"
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| 
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| extern IT8951DevInfo gstI80DevInfo;
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| extern uint8_t* gpFrameBuf; //Host Source Frame buffer
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| 
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| void EPD_Clear(uint8_t Color)
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| {
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| 	memset(gpFrameBuf, Color, gstI80DevInfo.usPanelW * gstI80DevInfo.usPanelH);
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| }
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| 
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| void EPD_DrawPixel(uint16_t x0, uint16_t y0, uint8_t color)
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| {
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| 	if(x0 < 0 || x0 >= gstI80DevInfo.usPanelW || y0 < 0 || y0 >= gstI80DevInfo.usPanelH)
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| 		return ;	
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| 	
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| 	/*
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| 	ÏÔ´æ´¦Àí
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| 	*/
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| 	gpFrameBuf[y0*gstI80DevInfo.usPanelW + x0] = color;
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| }
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| 
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| void EPD_DrawLine(uint16_t x1,uint16_t y1,uint16_t x2,uint16_t y2,uint8_t color)
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| {
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| 	  uint32_t deltax = 0, deltay = 0, x = 0, y = 0, xinc1 = 0, xinc2 = 0, 
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| 	  yinc1 = 0, yinc2 = 0, den = 0, num = 0, num_add = 0, num_pixels = 0, 
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| 	  curpixel = 0;
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| 	  
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| 	  deltax = ABS(x2 - x1);        /* The difference between the x's */
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| 	  deltay = ABS(y2 - y1);        /* The difference between the y's */
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| 	  x = x1;                       /* Start x off at the first pixel */
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| 	  y = y1;                       /* Start y off at the first pixel */
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| 	  
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| 	  if (x2 >= x1)                 /* The x-values are increasing */
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| 	  {
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| 		    xinc1 = 1;
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| 		    xinc2 = 1;
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| 	  }
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| 	  else                          /* The x-values are decreasing */
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| 	  {
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| 		    xinc1 = -1;
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| 		    xinc2 = -1;
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| 	  }
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| 	  
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| 	  if (y2 >= y1)                 /* The y-values are increasing */
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| 	  {
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| 		    yinc1 = 1;
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| 		    yinc2 = 1;
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| 	  }
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| 	  else                          /* The y-values are decreasing */
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| 	  {
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| 		    yinc1 = -1;
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| 		    yinc2 = -1;
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| 	  }
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| 	  
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| 	  if (deltax >= deltay)         /* There is at least one x-value for every y-value */
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| 	  {
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| 		    xinc1 = 0;              /* Don't change the x when numerator >= denominator */
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| 		    yinc2 = 0;              /* Don't change the y for every iteration */
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| 		    den = deltax;
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| 		    num = deltax / 2;
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| 		    num_add = deltay;
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| 		    num_pixels = deltax;    /* There are more x-values than y-values */
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| 	  }
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| 	  else                          /* There is at least one y-value for every x-value */
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| 	  {
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| 		    xinc2 = 0;              /* Don't change the x for every iteration */
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| 		    yinc1 = 0;              /* Don't change the y when numerator >= denominator */
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| 		    den = deltay;
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| 		    num = deltay / 2;
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| 		    num_add = deltax;
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| 		    num_pixels = deltay;    /* There are more y-values than x-values */
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| 	  }
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| 	  
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| 	  for (curpixel = 0; curpixel <= num_pixels; curpixel++)
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| 	  {
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| 		    EPD_DrawPixel(x, y, color);          /* Draw the current pixel */
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| 		    num += num_add;                      /* Increase the numerator by the top of the fraction */
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| 		    if (num >= den)                      /* Check if numerator >= denominator */
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| 		    {
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| 			      num -= den;                    /* Calculate the new numerator value */
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| 			      x += xinc1;                    /* Change the x as appropriate */
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| 			      y += yinc1;                    /* Change the y as appropriate */
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| 		    }
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| 		    x += xinc2;                          /* Change the x as appropriate */
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| 		    y += yinc2;                          /* Change the y as appropriate */
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| 	  }
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| }
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| 
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| void EPD_DrawRect(uint16_t Xpos,uint16_t Ypos,uint16_t Width,uint16_t Height,uint8_t color)
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| {
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| 	EPD_DrawLine(Xpos, Ypos, Xpos+Width, Ypos, color);
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| 	EPD_DrawLine(Xpos, Ypos, Xpos, Ypos+Height, color);
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| 	EPD_DrawLine(Xpos, Ypos+Height, Xpos+Width, Ypos+Height, color);
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| 	EPD_DrawLine(Xpos+Width, Ypos, Xpos+Width, Ypos+Height, color);
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| }
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| 
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| 
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| void EPD_DrawCircle(uint16_t Xpos,uint16_t Ypos,uint16_t Radius,uint8_t color)
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| {
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| 	  int   decision;    	/* Decision Variable */ 
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| 	  uint32_t  current_x;   	/* Current X Value */
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| 	  uint32_t  current_y;   	/* Current Y Value */
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| 	  
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| 	  decision = 3 - (Radius << 1);
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| 	  current_x = 0;
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| 	  current_y = Radius;
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| 	  
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| 	  while (current_x <= current_y)
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| 	  {
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| 		    EPD_DrawPixel((Xpos + current_x), (Ypos - current_y), color);
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| 		    
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| 		    EPD_DrawPixel((Xpos - current_x), (Ypos - current_y), color);
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| 		    
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| 		    EPD_DrawPixel((Xpos + current_y), (Ypos - current_x), color);
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| 		    
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| 		    EPD_DrawPixel((Xpos - current_y), (Ypos - current_x), color);
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| 		    
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| 		    EPD_DrawPixel((Xpos + current_x), (Ypos + current_y), color);
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| 		    
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| 		    EPD_DrawPixel((Xpos - current_x), (Ypos + current_y), color);
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| 		    
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| 		    EPD_DrawPixel((Xpos + current_y), (Ypos + current_x), color);
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| 		    
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| 		    EPD_DrawPixel((Xpos - current_y), (Ypos + current_x), color);
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| 		    
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| 		    if (decision < 0)
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| 		    { 
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| 				decision += (current_x << 2) + 6;
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| 		    }
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| 		    else
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| 		    {
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| 			      decision += ((current_x - current_y) << 2) + 10;
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| 			      current_y--;
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| 		    }
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| 		    current_x++;
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| 	  } 
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| }
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| 
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| void EPD_DrawPolygon(pPoint Points,uint16_t PointCount,uint8_t color)
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| {
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|   uint16_t x = 0, y = 0;
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|   
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|   if(PointCount < 2)
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|   {
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|     return;
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|   }
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|   
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|   EPD_DrawLine(Points->X, Points->Y, (Points+PointCount-1)->X, (Points+PointCount-1)->Y,color);
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|   
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|   while(--PointCount)
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|   {
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|     x = Points->X;
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|     y = Points->Y;
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|     Points++;
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|     EPD_DrawLine(x, y, Points->X, Points->Y,color);
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|   }
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| }
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| 
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| 
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| void EPD_DrawEllipse(uint16_t Xpos, uint16_t Ypos, uint16_t XRadius, uint16_t YRadius, uint8_t color)
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| {
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|   int32_t x = 0, y = -YRadius, err = 2-2*XRadius, e2;
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|   float k = 0, rad1 = 0, rad2 = 0;
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|   
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|   rad1 = XRadius;
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|   rad2 = YRadius;
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|   
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|   k = (float)(rad2/rad1);  
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|   
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|   do { 
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|     EPD_DrawPixel((Xpos-(uint16_t)(x/k)), (Ypos+y), color);
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|     EPD_DrawPixel((Xpos+(uint16_t)(x/k)), (Ypos+y), color);
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|     EPD_DrawPixel((Xpos+(uint16_t)(x/k)), (Ypos-y), color);
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|     EPD_DrawPixel((Xpos-(uint16_t)(x/k)), (Ypos-y), color);      
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|     
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|     e2 = err;
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|     if (e2 <= x) {
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|       err += ++x*2+1;
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|       if (-y == x && e2 <= y) e2 = 0;
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|     }
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|     if (e2 > y) err += ++y*2+1;     
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|   }
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|   while (y <= 0);
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| }
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| 
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| void EPD_FillRect(uint16_t Xpos,uint16_t Ypos,uint16_t Width,uint16_t Height,uint8_t color)
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| {
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| 	uint16_t i;
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| 	for (i=0;i<Height;i++)
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| 	{
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| 		EPD_DrawLine(Xpos, Ypos+i,Xpos+Width,Ypos+i,color);
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| 	}
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|   
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| }
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| 
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| void EPD_FillCircle(uint16_t Xpos,uint16_t Ypos,uint16_t Radius,uint8_t color)
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| {
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|   int32_t  decision;     /* Decision Variable */ 
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|   uint32_t  current_x;   /* Current X Value */
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|   uint32_t  current_y;   /* Current Y Value */
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|   
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|   decision = 3 - (Radius << 1);
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|   
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|   current_x = 0;
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|   current_y = Radius;
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| 
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|   while (current_x <= current_y)
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|   {
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|     if(current_y > 0) 
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|     {
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| 	EPD_DrawLine(Xpos - current_y, Ypos + current_x,Xpos +current_y,Ypos + current_x,color);
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| 	EPD_DrawLine(Xpos - current_y, Ypos - current_x,Xpos + current_y, Ypos - current_x,color);
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|     }
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|     
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|     if(current_x > 0) 
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|     {
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| 	EPD_DrawLine(Xpos - current_x, Ypos - current_y,Xpos+current_x,Ypos - current_y,color);
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|  	EPD_DrawLine(Xpos - current_x, Ypos + current_y,Xpos+current_x,Ypos + current_y,color);
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|     }
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|     if (decision < 0)
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|     { 
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|       decision += (current_x << 2) + 6;
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|     }
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|     else
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|     {
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|       decision += ((current_x - current_y) << 2) + 10;
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|       current_y--;
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|     }
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|     current_x++;
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|   }
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|   
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|  	EPD_DrawCircle(Xpos, Ypos, Radius,color);
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| }
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| 
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| void EPD_PutChar(uint16_t Xpos,uint16_t Ypos,uint8_t ASCI,uint8_t charColor,uint8_t bkColor )
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| {
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| 	uint16_t i, j;
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| 	uint8_t buffer[16], tmp_char;
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| 	GetASCIICode(buffer,ASCI);
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| 	for(i=0; i<16; i++)
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| 	{
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| 		tmp_char = buffer[i];
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| 		for(j=0; j<8; j++)
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| 		{
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| 			if(((tmp_char >> (7-j)) & 0x01) == 0x01)
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| 			{
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| 				EPD_DrawPixel(Xpos+j, Ypos+i, charColor);
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| 			}
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| 			else
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| 			{
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| 				EPD_DrawPixel(Xpos+j, Ypos+i, bkColor);
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| 			}
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| 		}
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| 	}
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| }
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| 
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| 
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| void EPD_Text(uint16_t Xpos,uint16_t Ypos,uint8_t *str,uint8_t Color,uint8_t bkColor)
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| {
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| 	uint8_t TempChar;
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| 	do
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| 	{
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| 		TempChar = *str++;  
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| 		EPD_PutChar(Xpos, Ypos, TempChar, Color, bkColor);    
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| 		if(Xpos < gstI80DevInfo.usPanelW - 8)
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| 		{
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| 			Xpos += 8;
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| 		} 
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| 		else if (Ypos < gstI80DevInfo.usPanelH - 16)
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| 		{
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| 			Xpos = 0;
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| 			Ypos += 16;
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| 		}   
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| 	else
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| 	{
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| 		Xpos = 0;
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| 		Ypos = 0;
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| 	}    
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|     }
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|     while (*str != 0);
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| }
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| 
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| extern uint16_t bmp01[];
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| 
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| void EPD_DrawBitmap(uint16_t Xpos, uint16_t Ypos,uint16_t *bmp)
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| {
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| 	uint16_t i,j;
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| 	uint16_t R,G,B,temp;
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| 	double Gray;
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| 
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| 	for (j=0;j<412;j++)
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| 	{
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| 		for (i=0;i<550;i++)
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| 		{
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| 			temp = bmp[j*550+i];
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| 			R = (temp >> 11)<<3;
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| 			G = ((temp&0x07E0) >> 5)<<2;
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| 			B = (temp&0x01F)<<3;
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| 			Gray = (R*299 + G*587 + B*114 + 500) / 1000;
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| 			EPD_DrawPixel(i, j,(uint8_t)Gray);
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| 		}	
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| 	}
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| }
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| 
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| void EPD_DrawMatrix(uint16_t Xpos, uint16_t Ypos,uint16_t Width, uint16_t High,const uint16_t* Matrix)
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| {
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| 	uint16_t i,j,x,y;
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| 	uint16_t R,G,B,temp;
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| 	double Gray;
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| 	
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| 	for (y=0,j=Ypos;y<High;y++,j++)
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| 	{
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|  		for (x=0,i=Xpos;x<Width;x++,i++)
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| 		{
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| 			temp = Matrix[y*550+x];
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| 			R = (temp >> 11)<<3;
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| 			G = ((temp&0x07E0) >> 5)<<2;
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| 			B = (temp&0x001F) <<3;
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| 			Gray = (R*299 + G*587 + B*114 + 500) / 1000;
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| 			EPD_DrawPixel(i, j, Gray);
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| 		}
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| 	}
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| }
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| 
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| //ÏÔʾBMPͼƬÏà¹ØµÄÈ«¾Ö±äÁ¿
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| struct   fb_var_screeninfo vinfo; 	// ¼Ç¼Óû§¿ÉÐ޸ĵÄÏÔʾ¿ØÖÆÆ÷²ÎÊý
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| uint32_t fbfd = 0;					// /dev/fb0 ÎļþÃèÊö·û
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| uint8_t *fbp = 0;					// ÄÚ´æÓ³ÉäÖ¸Õë
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| uint8_t *bmp_dst_buf = NULL;		// BMP Buffer
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| uint8_t *bmp_src_buf = NULL;		// BMP Buffer
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| uint32_t bmp_width, bmp_height;
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| uint8_t  bmp_BitCount;
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| uint32_t bytesPerLine;
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| uint32_t imageSize;
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| uint32_t skip;
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| PIXEL    palette[256];
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| 
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| static void Bitmap_format_Matrix(uint8_t *dst,uint8_t *src)
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| {
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| 	uint32_t i,j,k;
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|     uint8_t *psrc = src;
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|     uint8_t *pdst = dst;
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|     uint8_t *p = psrc;
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| 	uint8_t temp;
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| 	uint32_t count;
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| 	
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| 	//ÓÉÓÚbmp´æ´¢ÊÇ´ÓºóÃæÍùÇ°Ãæ£¬ËùÒÔÐèÒªµ¹Ðò½øÐÐת»»
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| 	switch(bmp_BitCount)
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| 	{
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| 		case 1:
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| 			pdst += (bmp_width * bmp_height);
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| 			
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| 			for(i=0;i<bmp_height;i++)
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| 			{
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| 				pdst -= bmp_width;
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| 				count = 0;
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| 				for (j=0;j<(bmp_width+7)/8;j++)
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| 				{
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| 					temp = p[j];
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| 					
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| 					for (k=0;k<8;k++)
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| 					{
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| 						pdst[0]= ((temp & (0x80>>k)) >> (7-k));
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| 						count++;
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| 						pdst++;
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| 						if (count == bmp_width)
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| 						{
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| 							break;
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| 						}
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| 					}
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| 				}
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| 				pdst -= bmp_width;
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| 				p += bytesPerLine;
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| 			}
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| 		break;
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| 		case 4:
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| 			pdst += (bmp_width * bmp_height);
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| 
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| 			for(i=0;i<bmp_height;i++)
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| 			{
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| 				pdst -= bmp_width;
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| 				count = 0;
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| 				for (j=0;j<(bmp_width+1)/2;j++)
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| 				{
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| 					temp = p[j];
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| 					pdst[0]= ((temp & 0xf0) >> 4);
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| 					count++;
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| 					pdst++;
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| 					if (count == bmp_width)
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| 					{
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| 						break;
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| 					}
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| 
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| 					pdst[0] = temp & 0x0f;
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| 					count++;
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| 					pdst++;
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| 					if (count == bmp_width)
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| 					{
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| 						break;
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| 					}
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| 				}
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| 				pdst -= bmp_width;
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| 				p += bytesPerLine;
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| 			}
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| 		break;
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| 		case 8:
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| 			pdst += (bmp_width*bmp_height);
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| 			for(i=0;i<bmp_height;i++)
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| 			{
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| 				p = psrc+(i+1)*bytesPerLine;
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| 				p -= skip;
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| 				for(j=0;j<bmp_width;j++)
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| 				{
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| 					pdst -= 1;
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| 					p -= 1;
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| 					pdst[0] = p[0];
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| 				}
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| 			}
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| 		break;
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| 		case 16:
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| 			pdst += (bmp_width*bmp_height*2);
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| 			for(i=0;i<bmp_height;i++)
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| 			{
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| 				p = psrc+(i+1)*bytesPerLine;
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| 				p -= skip;
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| 				for(j=0;j<bmp_width;j++)
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| 				{
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| 					pdst -= 2;
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| 					p -= 2;
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| 					pdst[0] = p[1];
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| 					pdst[1] = p[0];
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| 				}
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| 			}
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| 		break;
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| 		case 24:
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| 			pdst += (bmp_width*bmp_height*3);
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| 			for(i=0;i<bmp_height;i++)
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| 			{
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| 				p = psrc+(i+1)*bytesPerLine;
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| 				p -= skip;
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| 				for(j=0;j<bmp_width;j++)
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| 				{
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| 					pdst -= 3;
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| 					p -= 3;
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| 					pdst[0] = p[2];
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| 					pdst[1] = p[1];
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| 					pdst[2] = p[0];
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| 				}
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| 			}
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| 		break;
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| 		case 32:
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| 			pdst += (bmp_width*bmp_height*4);
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| 			for(i=0;i<bmp_height;i++)
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| 			{
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| 				p = psrc+(i+1)*bmp_width*4;
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| 				for(j=0;j<bmp_width;j++)
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| 				{
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| 					pdst -= 4;
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| 					p -= 4;
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| 					pdst[0] = p[2];
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| 					pdst[1] = p[1];
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| 					pdst[2] = p[0];
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| 					pdst[3] = p[3];
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| 				}
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| 			}
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| 		break;
 | ||
| 		
 | ||
| 		default:
 | ||
| 		break;
 | ||
| 	}	
 | ||
| }
 | ||
| 
 | ||
| static void DrawMatrix(uint16_t Xpos, uint16_t Ypos,uint16_t Width, uint16_t High,const uint8_t* Matrix)
 | ||
| {
 | ||
| 	uint16_t i,j,x,y;
 | ||
| 	uint8_t R,G,B;
 | ||
| 	uint8_t temp1,temp2;
 | ||
| 	double Gray;
 | ||
| 	
 | ||
| 	for (y=0,j=Ypos;y<High;y++,j++)
 | ||
| 	{
 | ||
|  		for (x=0,i=Xpos;x<Width;x++,i++)
 | ||
| 		{
 | ||
| 			switch(bmp_BitCount)
 | ||
| 			{
 | ||
| 				case 1:
 | ||
| 				case 4:
 | ||
| 				case 8:
 | ||
| 					R = palette[Matrix[(y*Width+x)]].red;
 | ||
| 					G = palette[Matrix[(y*Width+x)]].green;
 | ||
| 					B = palette[Matrix[(y*Width+x)]].blue;
 | ||
| 				break;
 | ||
| 				
 | ||
| 				case 16:
 | ||
| 					temp1 = Matrix[(y*Width+x)*2];
 | ||
| 					temp2 = Matrix[(y*Width+x)*2+1];
 | ||
| 					R = (temp1 & 0x7c)<<1;
 | ||
| 					G = (((temp1 & 0x03) << 3 ) | ((temp2&0xe0) >> 5))<<3;
 | ||
| 					B = (temp2 & 0x1f)<<3;
 | ||
| 				break;
 | ||
| 				
 | ||
| 				case 24:
 | ||
| 					R = Matrix[(y*Width+x)*3];
 | ||
| 					G = Matrix[(y*Width+x)*3+1];
 | ||
| 					B = Matrix[(y*Width+x)*3+2];
 | ||
| 				break;
 | ||
| 				
 | ||
| 				case 32:
 | ||
| 					R = Matrix[(y*Width+x)*4];
 | ||
| 					G = Matrix[(y*Width+x)*4+1];
 | ||
| 					B = Matrix[(y*Width+x)*4+2];
 | ||
| 				break;
 | ||
| 				
 | ||
| 				default:
 | ||
| 				break;
 | ||
| 			}
 | ||
| 		
 | ||
| 			Gray = (R*299 + G*587 + B*114 + 500) / 1000;
 | ||
| 			EPD_DrawPixel(i, j, Gray);	
 | ||
| 		}
 | ||
| 	}
 | ||
| }
 | ||
| 
 | ||
| uint8_t Show_bmp(uint32_t x, uint32_t y,char *path)
 | ||
| {
 | ||
| 	FILE *fp;//bmpÎļþÖ¸Õë
 | ||
| 	BITMAPFILEHEADER FileHead;
 | ||
| 	BITMAPINFOHEADER InfoHead;
 | ||
| 	uint32_t total_length;
 | ||
| 	uint8_t *buf = NULL;
 | ||
| 	uint32_t ret = -1;
 | ||
| 	 
 | ||
| 	fp = fopen(path,"rb");
 | ||
| 	if (fp == NULL)
 | ||
| 	{
 | ||
| 		return(-1);
 | ||
| 	}
 | ||
|  
 | ||
| 	ret = fread(&FileHead, sizeof(BITMAPFILEHEADER),1, fp);
 | ||
| 	if (ret != 1)
 | ||
| 	{
 | ||
| 		printf("Read header error!\n");
 | ||
| 		fclose(fp);
 | ||
| 		return(-2);
 | ||
| 	}
 | ||
| 
 | ||
| 	//¼ì²âÊÇ·ñÊÇbmpͼÏñ
 | ||
| 	if (FileHead.cfType != 0x4D42)//ÎļþÀàÐÍ£¬"BM"(0x4D42)
 | ||
| 	{
 | ||
| 		printf("It's not a BMP file\n");
 | ||
| 		fclose(fp);
 | ||
| 		return(-3);
 | ||
| 	}
 | ||
| 	
 | ||
| 	printf("\n*****************************************\n");
 | ||
| 	printf("BMP_cfSize:%d \n", FileHead.cfSize);
 | ||
|  	printf("BMP_cfoffBits:%d \n", FileHead.cfoffBits);
 | ||
| 	
 | ||
| 	ret = fread((char *)&InfoHead, sizeof(BITMAPINFOHEADER),1, fp);
 | ||
| 	if (ret != 1)
 | ||
| 	{
 | ||
| 		printf("Read infoheader error!\n");
 | ||
| 		fclose(fp);
 | ||
| 		return(-4);
 | ||
| 	}
 | ||
| 	
 | ||
| 	printf("BMP_ciSize:%d \n", InfoHead.ciSize);
 | ||
|  	printf("BMP_ciWidth:%d \n", InfoHead.ciWidth);
 | ||
| 	printf("BMP_ciHeight:%d \n", InfoHead.ciHeight);
 | ||
| 	printf("BMP_ciPlanes:%x \n", InfoHead.ciPlanes);
 | ||
| 	printf("BMP_ciBitCount:%x \n", InfoHead.ciBitCount);
 | ||
| 	printf("BMP_ciCompress:%x \n", InfoHead.ciCompress);
 | ||
| 	printf("BMP_ciSizeImage:%x \n", InfoHead.ciSizeImage);
 | ||
| 	printf("BMP_ciXPelsPerMeter:%x \n", InfoHead.ciXPelsPerMeter);
 | ||
| 	printf("BMP_ciYPelsPerMeter:%x \n", InfoHead.ciYPelsPerMeter);
 | ||
| 	printf("BMP_ciClrUsed:%x \n", InfoHead.ciClrUsed);
 | ||
| 	printf("BMP_ciClrImportant:%x \n", InfoHead.ciClrImportant);
 | ||
|  	printf("*****************************************\n\n");
 | ||
| 	
 | ||
| 	total_length = FileHead.cfSize-FileHead.cfoffBits;
 | ||
| 	bytesPerLine=((InfoHead.ciWidth*InfoHead.ciBitCount+31)>>5)<<2;
 | ||
| 	imageSize=bytesPerLine*InfoHead.ciHeight;
 | ||
| 	skip=(4-((InfoHead.ciWidth*InfoHead.ciBitCount)>>3))&3;
 | ||
| 	
 | ||
| 	printf("total_length:%d,%d\n", InfoHead.ciSizeImage,FileHead.cfSize-FileHead.cfoffBits);
 | ||
| 	printf("bytesPerLine = %d\n", bytesPerLine);
 | ||
| 	printf("imageSize = %d\n", imageSize);
 | ||
| 	printf("skip = %d\n", skip);
 | ||
| 	
 | ||
|     bmp_width = InfoHead.ciWidth;
 | ||
|     bmp_height = InfoHead.ciHeight;
 | ||
| 	bmp_BitCount = InfoHead.ciBitCount;
 | ||
| 	
 | ||
|     bmp_src_buf = (uint8_t*)calloc(1,total_length);
 | ||
|     if(bmp_src_buf == NULL){
 | ||
|         printf("Load > malloc bmp out of memory!\n");
 | ||
|         return -5;
 | ||
|     }
 | ||
| 	
 | ||
| 	bmp_dst_buf = (uint8_t*)calloc(1,total_length);
 | ||
|     if(bmp_dst_buf == NULL){
 | ||
|         printf("Load > malloc bmp out of memory!\n");
 | ||
|         return -5;
 | ||
|     }
 | ||
| 
 | ||
| 	 //Ìø×ªµ½Êý¾ÝÇø
 | ||
|     fseek(fp, FileHead.cfoffBits, SEEK_SET);
 | ||
| 	
 | ||
| 	//ÿÐÐ×Ö½ÚÊý
 | ||
|     buf = bmp_src_buf;
 | ||
|     while ((ret = fread(buf,1,total_length,fp)) >= 0) 
 | ||
| 	{
 | ||
|         if (ret == 0) 
 | ||
| 		{
 | ||
|             usleep(100);
 | ||
|             continue;
 | ||
|         }
 | ||
| 		buf = ((uint8_t*)buf) + ret;
 | ||
|         total_length = total_length - ret;
 | ||
|         if(total_length == 0)
 | ||
|             break;
 | ||
|     }
 | ||
| 	
 | ||
| 	//Ìø×ªµ½µ÷ÊÔ°å
 | ||
| 	switch(bmp_BitCount)
 | ||
| 	{	
 | ||
| 		case 1:
 | ||
| 			fseek(fp, 54, SEEK_SET);
 | ||
| 			ret = fread(palette,1,4*2,fp);
 | ||
| 			if (ret != 8) 
 | ||
| 			{
 | ||
| 				printf("Error: fread != 8\n");
 | ||
| 				return -5;
 | ||
| 			}
 | ||
| 		
 | ||
| 			bmp_dst_buf = (uint8_t*)calloc(1,InfoHead.ciWidth * InfoHead.ciHeight);
 | ||
| 			if(bmp_dst_buf == NULL)
 | ||
| 			{
 | ||
| 				printf("Load > malloc bmp out of memory!\n");
 | ||
| 				return -5;
 | ||
| 			}
 | ||
| 		break;
 | ||
| 		
 | ||
| 		case 4:
 | ||
| 			fseek(fp, 54, SEEK_SET);
 | ||
| 			ret = fread(palette,1,4*16,fp);
 | ||
| 			if (ret != 64) 
 | ||
| 			{
 | ||
| 				printf("Error: fread != 64\n");
 | ||
| 				return -5;
 | ||
| 			}
 | ||
| 		
 | ||
| 			bmp_dst_buf = (uint8_t*)calloc(1,InfoHead.ciWidth * InfoHead.ciHeight);
 | ||
| 			if(bmp_dst_buf == NULL)
 | ||
| 			{
 | ||
| 				printf("Load > malloc bmp out of memory!\n");
 | ||
| 				return -5;
 | ||
| 			}
 | ||
| 		break;
 | ||
| 		
 | ||
| 		case 8:
 | ||
| 			fseek(fp, 54, SEEK_SET);
 | ||
| 
 | ||
| 			ret = fread(palette,1,4*256,fp);
 | ||
| 
 | ||
| 			if (ret != 1024) 
 | ||
| 			{
 | ||
| 				printf("Error: fread != 1024\n");
 | ||
| 				return -5;
 | ||
| 			}
 | ||
| 		break;
 | ||
| 		
 | ||
| 		default:
 | ||
| 		break;
 | ||
| 	}
 | ||
| 
 | ||
| 	Bitmap_format_Matrix(bmp_dst_buf,bmp_src_buf);
 | ||
| 	DrawMatrix(x, y,InfoHead.ciWidth, InfoHead.ciHeight, bmp_dst_buf);
 | ||
| 
 | ||
| 	fclose(fp);
 | ||
| 	return(0);
 | ||
| }
 | ||
| 
 | ||
| 
 | ||
| 
 | ||
| 
 | ||
| 
 | ||
| 
 |