player/Project/Src/JPEG/bmp.c

#include "base.h"
#include "bmp.h"
#include "string.h"
#include "ff.h"
#include "mymem.h"
//////////////////////////////////////////////////////////////////////////////////	 
//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֻ<EFBFBD><D6BB>ѧϰʹ<CFB0>ã<EFBFBD>δ<EFBFBD><CEB4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɣ<EFBFBD><C9A3><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>κ<EFBFBD><CEBA><EFBFBD>;
//ALIENTEK STM32F407<30><37><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
//ͼƬ<CDBC><C6AC><EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>-bmp<6D><70><EFBFBD>벿<EFBFBD><EBB2BF>	   
//<2F><><EFBFBD><EFBFBD>ԭ<EFBFBD><D4AD>@ALIENTEK
//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>̳:www.openedv.com
//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>:2014/5/15
//<2F>汾<EFBFBD><E6B1BE>V1.0
//<2F><>Ȩ<EFBFBD><C8A8><EFBFBD>У<EFBFBD><D0A3><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ؾ<EFBFBD><D8BE><EFBFBD>
//Copyright(C) <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӿƼ<D3BF><C6BC><EFBFBD><EFBFBD>޹<EFBFBD>˾ 2014-2024
//All rights reserved
//********************************************************************************
//<2F><><EFBFBD><EFBFBD>˵<EFBFBD><CBB5> 
//V1.1 20140722
//<2F>޸<EFBFBD>minibmp_decode<64><65><EFBFBD><EFBFBD>,ʹͼƬ<CDBC><C6AC><EFBFBD>趨<EFBFBD><E8B6A8><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʾ
//////////////////////////////////////////////////////////////////////////////////

//<2F><>ʹ<EFBFBD><CAB9><EFBFBD>ڴ<EFBFBD><DAB4><EFBFBD><EFBFBD><EFBFBD>
#if BMP_USE_MALLOC == 0	
FIL f_bfile;
u8 bmpreadbuf[BMP_DBUF_SIZE];
#endif 				    








struct _pic_phy
{
	void (*draw_hline)(int x,int y,int len,u16 color);
	void (*draw_point)(int x,int y,u16 color);
	void (*fill)(int sx,int xy,int ex,int ey,u16 color);
	
};

	


static BMP_DecodeStruct *g_decode=0;
static void draw_hline (int x,int y,int len,u16 color)
{
	if (x>=0&&x<g_decode->x_size) 
	{
		if (x+len>g_decode->x_size) len=g_decode->x_size-x;
		int ds=y*g_decode->x_size+x;
		for (int i=0;i<len;i++)
		(g_decode->data)[ds+i]=color;
	}
}
static void draw_point (int x,int y,u16 color)
{
	int ds=y*g_decode->x_size+x;
	(g_decode->data)[ds]=color;
}
static void fill(int sx,int sy,int ex,int ey,u16 color)
{
	for (int i=0;i<ey-sy+1;i++)
	{
		draw_hline (sx,sy+i,ex-sx+1,color);
	}
}
static struct _pic_phy pic_phy ={
	.draw_hline=draw_hline,
	.draw_point=draw_point,
	.fill=fill,
};












//<2F><>׼<EFBFBD><D7BC>bmp<6D><70><EFBFBD><EFBFBD>,<2C><><EFBFBD><EFBFBD>filename<6D><65><EFBFBD><EFBFBD>BMP<4D>ļ<EFBFBD>	
//<2F>ٶȱȽ<C8B1><C8BD><EFBFBD>.<2E><>Ҫ	
//filename:<3A><><EFBFBD><EFBFBD>·<EFBFBD><C2B7><EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD><C4BC><EFBFBD>	       	  			  
//<2F><><EFBFBD><EFBFBD>ֵ:0,<2C>ɹ<EFBFBD>;
//		 <20><><EFBFBD><EFBFBD>,<2C><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>.
int BMP_Decode(const u8 *filename,BMP_DecodeStruct *bmp) 
{
	FIL* f_bmp;
	UINT br;

	u16 count;		    	   
	u8  rgb ,color_byte;
	u16 x ,y,color;	  
	u16 countpix=0;//<2F><>¼<EFBFBD><C2BC><EFBFBD><EFBFBD> 	 

	//x,y<><79>ʵ<EFBFBD><CAB5><EFBFBD><EFBFBD><EFBFBD><EFBFBD>	
	u16  realx=0;
	u16 realy=0;
	u8  yok=1;  				   
	int res=0;


	u8 *databuf;    		//<2F><><EFBFBD>ݶ<EFBFBD>ȡ<EFBFBD><C8A1><EFBFBD>ŵ<EFBFBD>ַ
 	u16 readlen=BMP_DBUF_SIZE;//һ<>δ<EFBFBD>SD<53><44><EFBFBD><EFBFBD>ȡ<EFBFBD><C8A1><EFBFBD>ֽ<EFBFBD><D6BD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>

	u8 *bmpbuf;			  	//<2F><><EFBFBD>ݽ<EFBFBD><DDBD><EFBFBD><EFBFBD><EFBFBD>ַ
	u8 biCompression=0;		//<2F><>¼ѹ<C2BC><D1B9><EFBFBD><EFBFBD>ʽ
	
	u16 rowlen;	  		 	//ˮƽ<CBAE><C6BD><EFBFBD><EFBFBD><EFBFBD>ֽ<EFBFBD><D6BD><EFBFBD>  
	BITMAPINFO *pbmp;		//<2F><>ʱָ<CAB1><D6B8>
	
	databuf=(u8*)mymalloc(readlen);		//<2F><><EFBFBD><EFBFBD>readlen<65>ֽڵ<D6BD><DAB5>ڴ<EFBFBD><DAB4><EFBFBD><EFBFBD><EFBFBD>
	if(databuf==NULL)return -1;	//<2F>ڴ<EFBFBD><DAB4><EFBFBD><EFBFBD><EFBFBD>ʧ<EFBFBD><CAA7>.
	f_bmp=(FIL *)mymalloc(sizeof(FIL));	//<2F><><EFBFBD><EFBFBD>FIL<49>ֽڵ<D6BD><DAB5>ڴ<EFBFBD><DAB4><EFBFBD><EFBFBD><EFBFBD> 
	if(f_bmp==NULL)							//<2F>ڴ<EFBFBD><DAB4><EFBFBD><EFBFBD><EFBFBD>ʧ<EFBFBD><CAA7>.
	{		 
		myfree(databuf);
		return -1;				
	} 	 
	res=f_open(f_bmp,(const TCHAR*)filename,FA_READ);//<2F><><EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD>	 						  
	if(res==0)//<2F>򿪳ɹ<F2BFAAB3>.
	{ 
		f_read(f_bmp,databuf,readlen,(UINT*)&br);	//<2F><><EFBFBD><EFBFBD>readlen<65><6E><EFBFBD>ֽ<EFBFBD>  
		pbmp=(BITMAPINFO*)databuf;					//<2F>õ<EFBFBD>BMP<4D><50>ͷ<EFBFBD><CDB7><EFBFBD><EFBFBD>Ϣ   
		count=pbmp->bmfHeader.bfOffBits;        	//<2F><><EFBFBD><EFBFBD>ƫ<EFBFBD><C6AB>,<2C>õ<EFBFBD><C3B5><EFBFBD><EFBFBD>ݶεĿ<CEB5>ʼ<EFBFBD><CABC>ַ
		color_byte=pbmp->bmiHeader.biBitCount/8;	//<2F><>ɫλ 16/24/32  
		biCompression=pbmp->bmiHeader.biCompression;//ѹ<><D1B9><EFBFBD><EFBFBD>ʽ
		g_decode=bmp;
		g_decode->y_size =pbmp->bmiHeader.biHeight;	//<2F>õ<EFBFBD>ͼƬ<CDBC>߶<EFBFBD>
		g_decode->x_size=pbmp->bmiHeader.biWidth;  	//<2F>õ<EFBFBD>ͼƬ<CDBC><C6AC><EFBFBD><EFBFBD> 
		g_decode->data = mymalloc_exm (g_decode->x_size*g_decode->y_size*2);
		//ai_draw_init();//<2F><>ʼ<EFBFBD><CABC><EFBFBD><EFBFBD><EFBFBD>ܻ<EFBFBD>ͼ			
		//ˮƽ<CBAE><C6BD><EFBFBD>ر<EFBFBD><D8B1><EFBFBD><EFBFBD><EFBFBD>4<EFBFBD>ı<EFBFBD><C4B1><EFBFBD>!!
		if((g_decode->x_size*color_byte)%4)rowlen=((g_decode->x_size*color_byte)/4+1)*4;
		else rowlen=g_decode->x_size*color_byte;
		//<2F><>ʼ<EFBFBD><CABC><EFBFBD><EFBFBD>BMP   
		color=0;//<2F><>ɫ<EFBFBD><C9AB><EFBFBD><EFBFBD>	 													 
		x=0 ;
		y=g_decode->y_size;
		rgb=0;      
		//<2F><><EFBFBD>ڳߴ<DAB3>С<EFBFBD>ڵ<EFBFBD><DAB5><EFBFBD><EFBFBD>趨<EFBFBD>ߴ<EFBFBD><DFB4><EFBFBD>ͼƬ,<2C><><EFBFBD>п<EFBFBD><D0BF>ٽ<EFBFBD><D9BD><EFBFBD>
		//realy=(y*picinfo.Div_Fac)>>13;
		realy=y;
		bmpbuf=databuf;
		while(1)
		{				 
			while(count<readlen)  //<2F><>ȡһ<C8A1><D2BB>1024<32><34><EFBFBD><EFBFBD> (SectorsPerClust ÿ<><C3BF><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>)
		    {
				if(color_byte==3)   //24λ<34><CEBB>ɫͼ
				{
					switch (rgb) 
					{
						case 0:				  
							color=bmpbuf[count]>>3; //B
							break ;	   
						case 1: 	 
							color+=((u16)bmpbuf[count]<<3)&0X07E0;//G
							break;	  
						case 2 : 
							color+=((u16)bmpbuf[count]<<8)&0XF800;//R	  
							break ;			
					}   
				}else if(color_byte==2)  //16λ<36><CEBB>ɫͼ
				{
					switch(rgb)
					{
						case 0 : 
							if(biCompression==BI_RGB)//RGB:5,5,5
							{
								color=((u16)bmpbuf[count]&0X1F);	 	//R
								color+=(((u16)bmpbuf[count])&0XE0)<<1; //G
							}else		//RGB:5,6,5
							{
								color=bmpbuf[count];  			//G,B
							}  
							break ;   
						case 1 : 			  			 
							if(biCompression==BI_RGB)//RGB:5,5,5
							{
								color+=(u16)bmpbuf[count]<<9;  //R,G
							}else  		//RGB:5,6,5
							{
								color+=(u16)bmpbuf[count]<<8;	//R,G
							}  									 
							break ;	 
					}		     
				}else if(color_byte==4)//32λ<32><CEBB>ɫͼ
				{
					switch (rgb)
					{
						case 0:				  
							color=bmpbuf[count]>>3; //B
							break ;	   
						case 1: 	 
							color+=((u16)bmpbuf[count]<<3)&0X07E0;//G
							break;	  
						case 2 : 
							color+=((u16)bmpbuf[count]<<8)&0XF800;//R	  
							break ;			
						case 3 :
							//alphabend=bmpbuf[count];//<2F><><EFBFBD><EFBFBD>ȡ  ALPHAͨ<41><CDA8>
							break ;  		  	 
					}	
				}else if(color_byte==1)//8λɫ,<2C><>ʱ<EFBFBD><CAB1>֧<EFBFBD><D6A7>,<2C><>Ҫ<EFBFBD>õ<EFBFBD><C3B5><EFBFBD>ɫ<EFBFBD><C9AB>.
				{
				} 
				rgb++;	  
				count++ ;		  
				if(rgb==color_byte) //ˮƽ<CBAE><C6BD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȡ<EFBFBD><C8A1>1<EFBFBD><31><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݺ<EFBFBD><DDBA><EFBFBD>ʾ
				{	
					if(x<g_decode->x_size)	 					 			   
					{	
						//realx=(x*picinfo.Div_Fac)>>13;//x<><78>ʵ<EFBFBD><CAB5>ֵ
						realx=x;
						pic_phy.draw_point(realx,realy-1,color);//<2F><>ʾͼƬ	
							//POINT_COLOR=color;		 
							//LCD_DrawPoint(realx+picinfo.S_XOFF,realy+picinfo.S_YOFF); 
							//SRAMLCD.Draw_Point(realx+picinfo.S_XOFF,realy+picinfo.S_YOFF,color);
						   									    
					}
					x++;//x<><78><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><D2BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD> 
					color=0x00; 
					rgb=0;  		  
				}
				countpix++;//<2F><><EFBFBD><EFBFBD><EFBFBD>ۼ<EFBFBD>
				if(countpix>=rowlen)//ˮƽ<CBAE><C6BD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ<EFBFBD><D6B5><EFBFBD><EFBFBD>.<2E><><EFBFBD><EFBFBD>
				{		 
					y--; 
					if(y==0)break;
					//realy=(y*picinfo.Div_Fac)>>13;//ʵ<><CAB5>yֵ<79>ı<EFBFBD>	 
					realy=y;
					//if(is_element_ok(realx,realy,0))yok=1;//<2F>˴<EFBFBD><CBB4><EFBFBD><EFBFBD>ı<EFBFBD>picinfo.staticx,y<><79>ֵ	 
					//else yok=0; 
					yok=0;
					x=0; 
					countpix=0;
					color=0x00;
					rgb=0;
				}	 
			} 		
			res=f_read(f_bmp,databuf,readlen,(UINT *)&br);//<2F><><EFBFBD><EFBFBD>readlen<65><6E><EFBFBD>ֽ<EFBFBD>
			if(br!=readlen)readlen=br;	//<2F><><EFBFBD><EFBFBD>һ<EFBFBD><D2BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD>		  
			if(res||br==0)break;		//<2F><>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD>
			bmpbuf=databuf;
			count=0;
		}  
		f_close(f_bmp);//<2F>ر<EFBFBD><D8B1>ļ<EFBFBD>
	}  	
	myfree(databuf);	 
	myfree(f_bmp);		 
	return res;		//BMP<4D><50>ʾ<EFBFBD><CABE><EFBFBD><EFBFBD>.    					   
}		 
//С<>ߴ<EFBFBD><DFB4><EFBFBD>bmp<6D><70><EFBFBD><EFBFBD>,<2C><><EFBFBD><EFBFBD>filename<6D><65><EFBFBD><EFBFBD>BMP<4D>ļ<EFBFBD>		
//filename:<3A><><EFBFBD><EFBFBD>·<EFBFBD><C2B7><EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD><C4BC><EFBFBD>
//x,y,width,height:<3A><>ʾ<EFBFBD><CABE><EFBFBD><EFBFBD><EFBFBD><EFBFBD>С(<28><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʾ)
//acolor:<3A><><EFBFBD>ӵ<EFBFBD>alphablend<6E><64><EFBFBD><EFBFBD>ɫ(<28><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>32λɫbmp<6D><70>Ч!!!)
//mode:ģʽ(<28><><EFBFBD><EFBFBD>bit5,<2C><><EFBFBD><EFBFBD><EFBFBD>ľ<EFBFBD>ֻ<EFBFBD><D6BB>32λɫbmp<6D><70>Ч!!!)
//     bit[7:6]:0,<2C><>ʹ<EFBFBD><CAB9>ͼƬ<CDBC><C6AC><EFBFBD><EFBFBD><EFBFBD>͵<EFBFBD>ɫalphablend;
//              1,<2C><>ͼƬ<CDBC><C6AC>acolor<6F><72><EFBFBD><EFBFBD>alphablend,<2C><><EFBFBD>Ҳ<EFBFBD><D2B2><EFBFBD><EFBFBD>ø<EFBFBD><C3B8>ӵ<EFBFBD>͸<EFBFBD><CDB8><EFBFBD><EFBFBD>;
//              2,<2C><>ɫ,acolor,ͼƬ,һ<><D2BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD>alphablend;
//	   bit5:<3A><><EFBFBD><EFBFBD>
//     bit4~0:0~31,ʹ<>ø<EFBFBD><C3B8><EFBFBD>alphablend<6E><64>͸<EFBFBD><CDB8><EFBFBD>̶<EFBFBD> 	      	  			  
//<2F><><EFBFBD><EFBFBD>ֵ:0,<2C>ɹ<EFBFBD>;
//    <20><><EFBFBD><EFBFBD>,<2C><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>.
/*
u8 minibmp_decode(u8 *filename,u16 x,u16 y,u16 width,u16 height,u16 acolor,u8 mode)//<2F>ߴ<EFBFBD>С<EFBFBD><D0A1>240*320<32><30>bmpͼƬ<CDBC><C6AC><EFBFBD><EFBFBD>.
{
	FIL* f_bmp;
    u16 br;
	u8  color_byte;
	u16 tx,ty,color;	 
	//tx,ty<74><79>ʵ<EFBFBD><CAB5><EFBFBD><EFBFBD><EFBFBD><EFBFBD>	
	u8 res;
	u16 i,j;
	u8 *databuf;    		//<2F><><EFBFBD>ݶ<EFBFBD>ȡ<EFBFBD><C8A1>                                                                       <20>ŵ<EFBFBD>ַ
 	u16 readlen=BMP_DBUF_SIZE;//һ<>δ<EFBFBD>SD<53><44><EFBFBD><EFBFBD>ȡ<EFBFBD><C8A1><EFBFBD>ֽ<EFBFBD><D6BD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>,<2C><><EFBFBD><EFBFBD>С<EFBFBD><D0A1>LCD<43><44><EFBFBD><EFBFBD>*3!!!

	u8 *bmpbuf;			  	//<2F><><EFBFBD>ݽ<EFBFBD><DDBD><EFBFBD><EFBFBD><EFBFBD>ַ
	u8 biCompression=0;		//<2F><>¼ѹ<C2BC><D1B9><EFBFBD><EFBFBD>ʽ
	
	u16 rowcnt;				//һ<>ζ<EFBFBD>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
	u16 rowlen;	  		 	//ˮƽ<CBAE><C6BD><EFBFBD><EFBFBD><EFBFBD>ֽ<EFBFBD><D6BD><EFBFBD>  
	u16 rowpix=0;			//ˮƽ<CBAE><C6BD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>	  
	u8 rowadd;				//ÿ<><C3BF><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֽ<EFBFBD><D6BD><EFBFBD>

	u16 tmp_color;

	u8 alphabend=0xff;		//<2F><><EFBFBD><EFBFBD>͸<EFBFBD><CDB8>ɫΪ0<CEAA><30><EFBFBD><EFBFBD>ȫ<EFBFBD><C8AB>͸<EFBFBD><CDB8>
	u8 alphamode=mode>>6;	//<2F>õ<EFBFBD>ģʽֵ,0/1/2
	BITMAPINFO *pbmp;   	//<2F><>ʱָ<CAB1><D6B8>		 
	//<2F>õ<EFBFBD><C3B5><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ߴ<EFBFBD>
	picinfo.S_Height=height;
	picinfo.S_Width=width;
		
#if BMP_USE_MALLOC == 1	//ʹ<><CAB9>malloc	
	databuf=(u8*)pic_memalloc(readlen);		//<2F><><EFBFBD><EFBFBD>readlen<65>ֽڵ<D6BD><DAB5>ڴ<EFBFBD><DAB4><EFBFBD><EFBFBD><EFBFBD>
	if(databuf==NULL)return PIC_MEM_ERR;		//<2F>ڴ<EFBFBD><DAB4><EFBFBD><EFBFBD><EFBFBD>ʧ<EFBFBD><CAA7>.
	f_bmp=(FIL *)pic_memalloc(sizeof(FIL));	//<2F><><EFBFBD><EFBFBD>FIL<49>ֽڵ<D6BD><DAB5>ڴ<EFBFBD><DAB4><EFBFBD><EFBFBD><EFBFBD> 
	if(f_bmp==NULL)								//<2F>ڴ<EFBFBD><DAB4><EFBFBD><EFBFBD><EFBFBD>ʧ<EFBFBD><CAA7>.
	{		 
		pic_memfree(databuf);
		return PIC_MEM_ERR;				
	} 	 
#else
	databuf=bmpreadbuf;
	f_bmp=&f_bfile;
#endif
	res=f_open(f_bmp,(const TCHAR*)filename,FA_READ);//<2F><><EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD>	 						  
	if(res==0)//<2F>򿪳ɹ<F2BFAAB3>.
	{ 
		f_read(f_bmp,databuf,sizeof(BITMAPINFO),(UINT*)&br);//<2F><><EFBFBD><EFBFBD>BITMAPINFO<46><4F>Ϣ 
		pbmp=(BITMAPINFO*)databuf;					//<2F>õ<EFBFBD>BMP<4D><50>ͷ<EFBFBD><CDB7><EFBFBD><EFBFBD>Ϣ   
		color_byte=pbmp->bmiHeader.biBitCount/8;	//<2F><>ɫλ 16/24/32  
		biCompression=pbmp->bmiHeader.biCompression;//ѹ<><D1B9><EFBFBD><EFBFBD>ʽ
		picinfo.ImgHeight=pbmp->bmiHeader.biHeight;	//<2F>õ<EFBFBD>ͼƬ<CDBC>߶<EFBFBD>
		picinfo.ImgWidth=pbmp->bmiHeader.biWidth;  	//<2F>õ<EFBFBD>ͼƬ<CDBC><C6AC><EFBFBD><EFBFBD> 
		//ˮƽ<CBAE><C6BD><EFBFBD>ر<EFBFBD><D8B1><EFBFBD><EFBFBD><EFBFBD>4<EFBFBD>ı<EFBFBD><C4B1><EFBFBD>!!
		if((picinfo.ImgWidth*color_byte)%4)rowlen=((picinfo.ImgWidth*color_byte)/4+1)*4;
		else rowlen=picinfo.ImgWidth*color_byte;
		rowadd=rowlen-picinfo.ImgWidth*color_byte;	//ÿ<><C3BF><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֽ<EFBFBD><D6BD><EFBFBD>
 		//<2F><>ʼ<EFBFBD><CABC><EFBFBD><EFBFBD>BMP   
		color=0;//<2F><>ɫ<EFBFBD><C9AB><EFBFBD><EFBFBD>	 													 
		tx=0 ;
		ty=picinfo.ImgHeight-1;
		if(picinfo.ImgWidth<=picinfo.S_Width&&picinfo.ImgHeight<=picinfo.S_Height)
		{  				
			x+=(picinfo.S_Width-picinfo.ImgWidth)/2;	//ƫ<>Ƶ<EFBFBD><C6B5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
			y+=(picinfo.S_Height-picinfo.ImgHeight)/2;	//ƫ<>Ƶ<EFBFBD><C6B5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
			rowcnt=readlen/rowlen;						//һ<>ζ<EFBFBD>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
			readlen=rowcnt*rowlen;						//һ<>ζ<EFBFBD>ȡ<EFBFBD><C8A1><EFBFBD>ֽ<EFBFBD><D6BD><EFBFBD>
			rowpix=picinfo.ImgWidth;					//ˮƽ<CBAE><C6BD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ǿ<EFBFBD><C7BF><EFBFBD> 
			f_lseek(f_bmp,pbmp->bmfHeader.bfOffBits);	//ƫ<>Ƶ<EFBFBD><C6B5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʼλ<CABC><CEBB> 	  
			while(1)
			{	     
				res=f_read(f_bmp,databuf,readlen,(UINT *)&br);	//<2F><><EFBFBD><EFBFBD>readlen<65><6E><EFBFBD>ֽ<EFBFBD>
				bmpbuf=databuf;									//<2F><><EFBFBD><EFBFBD><EFBFBD>׵<EFBFBD>ַ  
				if(br!=readlen)rowcnt=br/rowlen;				//<2F><><EFBFBD><EFBFBD>ʣ<EFBFBD>µ<EFBFBD><C2B5><EFBFBD><EFBFBD><EFBFBD>
				if(color_byte==3)  			//24λBMPͼƬ
				{
					for(j=0;j<rowcnt;j++)	//ÿ<>ζ<EFBFBD><CEB6><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
					{
						for(i=0;i<rowpix;i++)//дһ<D0B4><D2BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
						{
							color=(*bmpbuf++)>>3;		   		 	//B
							color+=((u16)(*bmpbuf++)<<3)&0X07E0;	//G
							color+=(((u16)*bmpbuf++)<<8)&0XF800;	//R
 						 	pic_phy.draw_point(x+tx,y+ty,color);//<2F><>ʾͼƬ	
							tx++;
						}
						bmpbuf+=rowadd;//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
						tx=0;
						ty--;
					}
				}else if(color_byte==2)//16λBMPͼƬ
				{
					for(j=0;j<rowcnt;j++)//ÿ<>ζ<EFBFBD><CEB6><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
					{
						if(biCompression==BI_RGB)//RGB:5,5,5
						{
							for(i=0;i<rowpix;i++)
							{
								color=((u16)*bmpbuf&0X1F);			//R
								color+=(((u16)*bmpbuf++)&0XE0)<<1; 	//G
		 						color+=((u16)*bmpbuf++)<<9;  	    //R,G	 
							    pic_phy.draw_point(x+tx,y+ty,color);//<2F><>ʾͼƬ	
								tx++;
							}
						}else  //RGB 565
						{
							for(i=0;i<rowpix;i++)
							{											 
								color=*bmpbuf++;  			//G,B
		 						color+=((u16)*bmpbuf++)<<8;	//R,G	 
							  	pic_phy.draw_point(x+tx,y+ty,color);//<2F><>ʾͼƬ	
								tx++;
							}
						}
						bmpbuf+=rowadd;//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
						tx=0;
						ty--;
					}	
				}else if(color_byte==4)		//32λBMPͼƬ
				{
					for(j=0;j<rowcnt;j++)	//ÿ<>ζ<EFBFBD><CEB6><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
					{
						for(i=0;i<rowpix;i++)
						{
							color=(*bmpbuf++)>>3;		   		 	//B
							color+=((u16)(*bmpbuf++)<<3)&0X07E0;	//G
							color+=(((u16)*bmpbuf++)<<8)&0XF800;	//R
							alphabend=*bmpbuf++;					//ALPHAͨ<41><CDA8>
							if(alphamode!=1) //<2F><>Ҫ<EFBFBD><D2AA>ȡ<EFBFBD><C8A1>ɫ
							{
								tmp_color=pic_phy.read_point(x+tx,y+ty);//<2F><>ȡ<EFBFBD><C8A1>ɫ		   
							    if(alphamode==2)//<2F><>Ҫ<EFBFBD><D2AA><EFBFBD>ӵ<EFBFBD>alphablend
								{
									tmp_color=piclib_alpha_blend(tmp_color,acolor,mode&0X1F);	//<2F><>ָ<EFBFBD><D6B8><EFBFBD><EFBFBD>ɫ<EFBFBD><C9AB><EFBFBD><EFBFBD>blend		 
								}
								color=piclib_alpha_blend(tmp_color,color,alphabend/8); 			//<2F>͵<EFBFBD>ɫ<EFBFBD><C9AB><EFBFBD><EFBFBD>alphablend
							}else tmp_color=piclib_alpha_blend(acolor,color,alphabend/8);		//<2F><>ָ<EFBFBD><D6B8><EFBFBD><EFBFBD>ɫ<EFBFBD><C9AB><EFBFBD><EFBFBD>blend
 							pic_phy.draw_point(x+tx,y+ty,color);//<2F><>ʾͼƬ				   
							tx++;//x<><78><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><D2BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD> 	  
						}
						bmpbuf+=rowadd;//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
						tx=0;
						ty--;
					}

				}
				if(br!=readlen||res)break;	 
			}	 
		}	
		f_close(f_bmp);//<2F>ر<EFBFBD><D8B1>ļ<EFBFBD>      
	}else res=PIC_SIZE_ERR;//ͼƬ<CDBC>ߴ<EFBFBD><DFB4><EFBFBD><EFBFBD><EFBFBD>	
#if BMP_USE_MALLOC == 1	//ʹ<><CAB9>malloc	
	pic_memfree(databuf);	 
	pic_memfree(f_bmp);		 
#endif	
	return res;
}      

*/
//BMP<4D><50><EFBFBD>뺯<EFBFBD><EBBAAF>
//<2F><><EFBFBD><EFBFBD>ǰLCD<43><44>Ļ<EFBFBD><C4BB>ָ<EFBFBD><D6B8><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͼ,<2C><>Ϊ16λ<36><CEBB>ʽ<EFBFBD><CABD>BMP<4D>ļ<EFBFBD> RGB565<36><35>ʽ.
//<2F><><EFBFBD><EFBFBD>Ϊrgb565<36><35><EFBFBD><EFBFBD>Ҫ<EFBFBD><D2AA><EFBFBD><EFBFBD>,<2C><>Ҫ<EFBFBD><D2AA><EFBFBD><EFBFBD>ԭ<EFBFBD><D4AD><EFBFBD>ĵ<EFBFBD>ɫ<EFBFBD><C9AB>λ<EFBFBD><CEBB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>.<2E><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ѿ<EFBFBD><D1BE><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>.
//<2F><><EFBFBD><EFBFBD>Ϊrgb555<35><35>ʽ<EFBFBD><CABD><EFBFBD><EFBFBD>Ҫ<EFBFBD><D2AA>ɫת<C9AB><D7AA>,<2C><>ʱ<EFBFBD><CAB1><EFBFBD>ȽϾ<C8BD>,<2C><><EFBFBD>Ա<EFBFBD><D4B1><EFBFBD>Ϊ565<36><35><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ٵİ취.
//filename:<3A><><EFBFBD><EFBFBD>·<EFBFBD><C2B7>
//x,y:<3A><><EFBFBD><EFBFBD>Ļ<EFBFBD>ϵ<EFBFBD><CFB5><EFBFBD>ʼ<EFBFBD><CABC><EFBFBD><EFBFBD>  
//mode:ģʽ.0,<2C><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD><C4BC>ķ<EFBFBD>ʽ<EFBFBD><CABD><EFBFBD><EFBFBD>;1,<2C><><EFBFBD><EFBFBD>֮ǰ<D6AE><C7B0><EFBFBD><EFBFBD><EFBFBD>ļ<EFBFBD>,<2C>򸲸<EFBFBD>֮ǰ<D6AE><C7B0><EFBFBD>ļ<EFBFBD>.<2E><><EFBFBD><EFBFBD>û<EFBFBD><C3BB>,<2C>򴴽<EFBFBD><F2B4B4BD>µ<EFBFBD><C2B5>ļ<EFBFBD>.
//<2F><><EFBFBD><EFBFBD>ֵ:0,<2C>ɹ<EFBFBD>;<3B><><EFBFBD><EFBFBD>,<2C><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>.  
u8 bmp_encode(u8 *filename,u16 x,u16 y,u16 width,u16 height,u8 mode)
{				
//	FIL* f_bmp;
//	u16 bmpheadsize;			//bmpͷ<70><CDB7>С	   	
// 	BITMAPINFO hbmp;			//bmpͷ	 
//	u8 res=0;
//	u16 tx,ty;				   	//ͼ<><CDBC><EFBFBD>ߴ<EFBFBD>
//	u16 *databuf;				//<2F><><EFBFBD>ݻ<EFBFBD><DDBB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַ	   	
//	u16 pixcnt;				   	//<2F><><EFBFBD>ؼ<EFBFBD><D8BC><EFBFBD><EFBFBD><EFBFBD>
//	u16 bi4width;		       	//ˮƽ<CBAE><C6BD><EFBFBD><EFBFBD><EFBFBD>ֽ<EFBFBD><D6BD><EFBFBD>	   
//	if(width==0||height==0)return PIC_WINDOW_ERR;	//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
//	if((x+width-1)>lcddev.width)return PIC_WINDOW_ERR;		//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
//	if((y+height-1)>lcddev.height)return PIC_WINDOW_ERR;	//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD> 
// 	 
//#if BMP_USE_MALLOC == 1	//ʹ<><CAB9>malloc	
//	databuf=(u16*)pic_memalloc(1024);		//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>bi4width<74><68>С<EFBFBD><D0A1><EFBFBD>ֽڵ<D6BD><DAB5>ڴ<EFBFBD><DAB4><EFBFBD><EFBFBD><EFBFBD> ,<2C><>240<34><30><EFBFBD><EFBFBD><EFBFBD><EFBFBD>,480<38><30><EFBFBD>ֽھ͹<DABE><CDB9><EFBFBD>.
//	if(databuf==NULL)return PIC_MEM_ERR;		//<2F>ڴ<EFBFBD><DAB4><EFBFBD><EFBFBD><EFBFBD>ʧ<EFBFBD><CAA7>.
//	f_bmp=(FIL *)pic_memalloc(sizeof(FIL));	//<2F><><EFBFBD><EFBFBD>FIL<49>ֽڵ<D6BD><DAB5>ڴ<EFBFBD><DAB4><EFBFBD><EFBFBD><EFBFBD> 
//	if(f_bmp==NULL)								//<2F>ڴ<EFBFBD><DAB4><EFBFBD><EFBFBD><EFBFBD>ʧ<EFBFBD><CAA7>.
//	{		 
//		pic_memfree(databuf);
//		return PIC_MEM_ERR;				
//	} 	 
//#else
//	databuf=(u16*)bmpreadbuf;
//	f_bmp=&f_bfile;
//#endif	      
//	bmpheadsize=sizeof(hbmp);//<2F>õ<EFBFBD>bmp<6D>ļ<EFBFBD>ͷ<EFBFBD>Ĵ<EFBFBD>С   
//	mymemset((u8*)&hbmp,0,sizeof(hbmp));//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>뵽<EFBFBD><EBB5BD><EFBFBD>ڴ<EFBFBD>.	    
//	hbmp.bmiHeader.biSize=sizeof(BITMAPINFOHEADER);//<2F><>Ϣͷ<CFA2><CDB7>С
//	hbmp.bmiHeader.biWidth=width;	 	//bmp<6D>Ŀ<EFBFBD><C4BF><EFBFBD>
//	hbmp.bmiHeader.biHeight=height; 	//bmp<6D>ĸ߶<C4B8>
//	hbmp.bmiHeader.biPlanes=1;	 		//<2F><>Ϊ1
//	hbmp.bmiHeader.biBitCount=16;	 	//bmpΪ16λɫbmp
//	hbmp.bmiHeader.biCompression=BI_BITFIELDS;//ÿ<><C3BF><EFBFBD><EFBFBD><EFBFBD>صı<D8B5><C4B1><EFBFBD><EFBFBD><EFBFBD>ָ<EFBFBD><D6B8><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
// 	hbmp.bmiHeader.biSizeImage=hbmp.bmiHeader.biHeight*hbmp.bmiHeader.biWidth*hbmp.bmiHeader.biBitCount/8;//bmp<6D><70><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>С
// 				   
//	hbmp.bmfHeader.bfType=((u16)'M'<<8)+'B';//BM<42><4D>ʽ<EFBFBD><CABD>־
//	hbmp.bmfHeader.bfSize=bmpheadsize+hbmp.bmiHeader.biSizeImage;//<2F><><EFBFBD><EFBFBD>bmp<6D>Ĵ<EFBFBD>С
//   	hbmp.bmfHeader.bfOffBits=bmpheadsize;//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ƫ<EFBFBD><C6AB>

//	hbmp.RGB_MASK[0]=0X00F800;	 		//<2F><>ɫ<EFBFBD><C9AB><EFBFBD><EFBFBD>
//	hbmp.RGB_MASK[1]=0X0007E0;	 		//<2F><>ɫ<EFBFBD><C9AB><EFBFBD><EFBFBD>
//	hbmp.RGB_MASK[2]=0X00001F;	 		//<2F><>ɫ<EFBFBD><C9AB><EFBFBD><EFBFBD>

//	if(mode==1)res=f_open(f_bmp,(const TCHAR*)filename,FA_READ|FA_WRITE);//<2F><><EFBFBD>Դ<EFBFBD><D4B4><EFBFBD>֮ǰ<D6AE><C7B0><EFBFBD>ļ<EFBFBD>
// 	if(mode==0||res==0x04)res=f_open(f_bmp,(const TCHAR*)filename,FA_WRITE|FA_CREATE_NEW);//ģʽ0,<2C><><EFBFBD>߳<EFBFBD><DFB3>Դ<EFBFBD><D4B4><EFBFBD>ʧ<EFBFBD><CAA7>,<2C>򴴽<EFBFBD><F2B4B4BD><EFBFBD><EFBFBD>ļ<EFBFBD>		   
// 	if((hbmp.bmiHeader.biWidth*2)%4)//ˮƽ<CBAE><C6BD><EFBFBD><EFBFBD>(<28>ֽ<EFBFBD>)<29><>Ϊ4<CEAA>ı<EFBFBD><C4B1><EFBFBD>
//	{
//		bi4width=((hbmp.bmiHeader.biWidth*2)/4+1)*4;//ʵ<><CAB5>Ҫд<D2AA><D0B4><EFBFBD>Ŀ<EFBFBD><C4BF><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>,<2C><><EFBFBD><EFBFBD>Ϊ4<CEAA>ı<EFBFBD><C4B1><EFBFBD>.	
//	}else bi4width=hbmp.bmiHeader.biWidth*2;		//<2F>պ<EFBFBD>Ϊ4<CEAA>ı<EFBFBD><C4B1><EFBFBD>	 
// 	if(res==FR_OK)//<2F><><EFBFBD><EFBFBD><EFBFBD>ɹ<EFBFBD>
//	{
//		res=f_write(f_bmp,(u8*)&hbmp,bmpheadsize,&bw);//д<><D0B4>BMP<4D>ײ<EFBFBD>  
//		for(ty=y+height-1;hbmp.bmiHeader.biHeight;ty--)
//		{
//			pixcnt=0;
// 			for(tx=x;pixcnt!=(bi4width/2);)
//			{
//				if(pixcnt<hbmp.bmiHeader.biWidth)databuf[pixcnt]=LCD_ReadPoint(tx,ty);//<2F><>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֵ 
//				else databuf[pixcnt]=0Xffff;//<2F><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɫ<EFBFBD><C9AB><EFBFBD><EFBFBD><EFBFBD><EFBFBD>.  
//				pixcnt++;
//				tx++;
//			}
//			hbmp.bmiHeader.biHeight--;
//			res=f_write(f_bmp,(u8*)databuf,bi4width,&bw);//д<><D0B4><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
//		}
//		f_close(f_bmp);
//	}	    
//#if BMP_USE_MALLOC == 1	//ʹ<><CAB9>malloc	
//	pic_memfree(databuf);	 
//	pic_memfree(f_bmp);		 
//#endif	
//	return res;
	return 0;
}