区分显示LCD汉字字模库中的中文与英文

快来打我* 2022-06-18 01:20 139阅读 0赞

#ifndef GUI_H
     #define GUI_H
     
    void LCD_Bytes(unsigned char* chs,int x_LCD,int y_LCD,int color)
    {
    	int i,j,x=x_LCD,y=y_LCD;
    	int k=0;
    	pCH pBytes = &CharLib[0];
    
    	for(k=0; k<sizeof(CharLib)/sizeof(CharLib[0]); k++)	
    	{
    		if((chs[0] == pBytes->index[0]) && (chs[1] == pBytes->index[1]))
    			{break;}
    		else
    			{pBytes++;}
    	}
    	for (i=0;i<32;i++)//画列 
        {
            if (i%2==0) {x=x_LCD;y++;}   //每行两字节,16X16点阵
            for (j=7;j>=0;j--)//画行
            {
                if ((pBytes->data[i])&(1<<j))
                {
                    draw_point(x,y,color);
                }		//由高到低,为1则输出'O',反之输出'-';
                else
                    {;}
                x++;
            }
        }
    }
    
    void LCD_Chars( char ASCII, int Xpos, int Ypos, int charColor)
    {
    	int i, j;
        unsigned char* buffer, tmp_char;
        GetASCIICode(&buffer,ASCII);  /* 取字模数据 */
        for( i=15; i>=0; i--)
        {
            tmp_char = buffer[i];
            for( j=7; j>=0; j-- )
            {
                if (buffer[i]&(1<<j))
                {
                    draw_point((Xpos + 7 - j), (Ypos + i), charColor);
                }
                else
                {
                    ;
                }
            }
        }
    }
    void LCD_String(char* str,int x,int y)
    {
        int i = 0;
        unsigned char* s= (unsigned char*)str;
        
        for(i=0; s[i] != '\0';)
        {
        	if(s[i] > 128)//是汉字 
        	{
    	    	LCD_Bytes(&s[i],x,y,Red);		//在屏幕上显示这个汉字
    	    	x=x+16;
    	    	i=i+2;
    	    }
    	    else
    		{
    			LCD_Chars(s[i],x,y,Red);
    			x=x+8;
    			i++;
    		}        
        }
    }
    
    void Draw_line(int x1,int y1,int x2,int y2, int color)
    {
    	int i=0;
    	int start=0, end=0;
    	float k=0;
    	
    	if(x1 == x2)
    	{
    		start = (y1<y2)?y1:y2;
    		end   = (y1>y2)?y1:y2;
    		
    		for(i=start; i<=end; i++)
    		{
    			draw_point(x1,i,color);
    		}
    		
    	}
    	else if(y1 == y2)
    	{
    		start = (x1<x2)?x1:x2;
    		end   = (x1>x2)?x1:x2;
    		
    		for(i=start; i<=end; i++)
    		{
    			draw_point(i,y1,color);
    		}
    	}
    	else
    	{
    		if(x1>x2)
    		{
    			start = x2;	x2 = x1; x1 = start;
    			start = y2; y2 = y1; y1 = start;
    		}
    		
    		k = ((float)y2-y1)/(x2-x1);	//+-
    		for(i=x1;i<=x2;i++)
    		{
    			draw_point(i,y1+(int)(k*(i-x1)),color);
    		}
    	}
    	
    }
    
    #endif