display_char.c

一个小的嵌入式os

#include "44b0x.h"
#include "Gui.h"


extern unsigned char LCD_Buffer[320*240/4];


extern struct  CHAR_INFO{
unsigned char  XSize;
unsigned char  XDist;
unsigned char  BytesPerLine;
  void* pData;
} GUI_CharInfoF8x13_ASCII[96] ;

void delay_T(void)
{
int temp;
			for(temp=0;temp<0x65535;temp++)
				{temp=temp;}
						for(temp=0;temp<0x65535;temp++)
				{temp=temp;}
			for(temp=0;temp<0x65535;temp++)
				{temp=temp;}
			for(temp=0;temp<0x65535;temp++)
				{temp=temp;}


}
void gui_test(int x_t,int y_t,char color)
{
int x,y,x_bit;
char temp,mask=0xff;

x=x_t/4;y=y_t;
if(x_t<4){x_t=x_t+4;}
x_bit=x_t%4;
temp=LCD_Buffer[y*80+x];
switch(x_bit)
{
	case 0:mask=0x3f;color=color<<6;break;
	case 1:mask=0xcf;color=color<<4;break;
	case 2:mask=0xf3;color=color<<2;break;
	case 3:mask=0xfc;color=color<<0;break;
	default : color=0;
}
temp=(temp&mask)+color;
LCD_Buffer[y*80+x]=temp;

	

}

//================================================
//
//
//
//
//
//================================================
void display_char(int x,int y,char c,int color)
{
int mask=0x80;
int x_temp=x,y_temp=y;

char temp_t,count_t,point_flag=0,x_size,count_t2=0;
struct CHAR_INFO *t;
unsigned char *p;
t=GUI_CharInfoF8x13_ASCII;
p=(unsigned char *)((t+(c-32))->pData);
x_size=((t+(c-32))->XSize);

for(y_temp=y,count_t2=0;count_t2<13;y_temp++,count_t2++)
{	
	for(x_temp=x,count_t=0;count_t<x_size;x_temp++,count_t++)
		{	
			
			temp_t=*p;
			temp_t=(temp_t&(mask>>count_t));
			if(temp_t)
				{	
					point_flag=1;
					if(color==Reverse)
						{point_flag=0;}
					
					draw_point_for_char(x_temp,y_temp, point_flag);

				}
			else
				{
					point_flag=0;
					if(color==Reverse)
					{point_flag=1;}
					
					draw_point_for_char(x_temp,y_temp, point_flag);
				}		
			
			
		}
	
	p++;
	
}


}

void display_char_big(int x,int y,char c,int color)
{
int mask=0x80;
int x_temp=x,y_temp=y;

char temp_t,count_t,point_flag=0,x_size,count_t2=0;
struct CHAR_INFO *t;
unsigned char *p;
t=GUI_CharInfoF8x13_ASCII;
p=(unsigned char *)((t+(c-32))->pData);
x_size=32;//((t+(c-32))->XSize);

for(y_temp=y,count_t2=0;count_t2<52;y_temp++,count_t2++)
{	
	if(count_t2%4==1){
	for(x_temp=x,count_t=0;count_t<x_size;x_temp++,count_t++)
		{	
			
			temp_t=*p;
			temp_t=(temp_t&(mask>>(count_t/4)));
			if(temp_t)
				{	
					point_flag=1;
					if(color==Reverse)
						{point_flag=0;}
					
					draw_point_for_char(x_temp,y_temp, point_flag);

				}
			//else
				//{
					//point_flag=0;
					//if(color==Reverse)
					//{point_flag=1;}
					
					//draw_point_for_char(x_temp,y_temp, point_flag);
				//}		
			
			
		}
	
	p++;
		}
	
}


}

//=============================================

void display_char_080520(int x,int y,char c,int color)
{
char temp[8];
int count_rev;
int x_size,count,count_for_draw_point;
int mask=0x80,count_mask=0;int p_mask;
int x_display_char=0,y_display_char=0,x_display=x;
struct CHAR_INFO *t;
unsigned char *p;
t=GUI_CharInfoF8x13_ASCII;
p=(unsigned char *)((t+(c-32))->pData);
x_size=((t+(c-32))->XSize);
for(y_display_char=y;y_display_char<13+y;y_display_char++)
{	

		for(count=0;count<8;count++){ temp[count]=0;}
		
		temp[0]=*p;
		if(color==Reverse)	//Reverse has been defined in 44b0x.h
			{
			count_rev=0;
			temp[count_rev]=~temp[count_rev];count_rev++;
			temp[count_rev]=~temp[count_rev];count_rev++;
			temp[count_rev]=~temp[count_rev];count_rev++;
			temp[count_rev]=~temp[count_rev];count_rev++;
			temp[count_rev]=~temp[count_rev];count_rev++;
			temp[count_rev]=~temp[count_rev];count_rev++;
			temp[count_rev]=~temp[count_rev];count_rev++;
			temp[count_rev]=~temp[count_rev];count_rev++;		//this function	can negative the color
			}
			count_mask=0;
			p_mask=temp[0];
			temp[count_mask]=(((p_mask)&(mask>>count_mask))>>(7-count_mask));count_mask++;
			temp[count_mask]=(((p_mask)&(mask>>count_mask))>>(7-count_mask));count_mask++;
			temp[count_mask]=(((p_mask)&(mask>>count_mask))>>(7-count_mask));count_mask++;
			temp[count_mask]=(((p_mask)&(mask>>count_mask))>>(7-count_mask));count_mask++;
			temp[count_mask]=(((p_mask)&(mask>>count_mask))>>(7-count_mask));count_mask++;
			temp[count_mask]=(((p_mask)&(mask>>count_mask))>>(7-count_mask));count_mask++;
			temp[count_mask]=(((p_mask)&(mask>>count_mask))>>(7-count_mask));count_mask++;
			temp[count_mask]=(((p_mask)&(mask>>count_mask))>>(7-count_mask));count_mask++;
		count_for_draw_point=0;
		for(x_display_char=x;x_display_char<(x_display+8);x_display_char++)
	
		{
		
		draw_point_for_char(x_display_char,y_display_char, temp[count_for_draw_point]);

			
		count_for_draw_point++;
		//==============
		//here,you must use "count_for_draw_point"to count the temp array
		//and you can't use the "x_display_char" to count the array named temp
		//if you used the "x_display_char" ,on the screen you will get a half char
		//==============
			
		}
		p++;
}


}





void display_clear_char(int x,int y,char c,int color)
	{
int x_size;
int x_display_char=x,y_display_char=y;
struct CHAR_INFO *t;
t=GUI_CharInfoF8x13_ASCII;
x_size=(t+(c-32))->XSize;
for(y_display_char=y;y_display_char<13+y;y_display_char++)
{		
		for(x_display_char=x;x_display_char<x+x_size;x_display_char++)
		{draw_point_for_char(x_display_char,y_display_char,0);
			}
		
}


}