directdisplay.c

在移植成功ucos核的基础上扩充了该操作系统的许多没有功能。如文件系统

				case GRAPH_MODE_AND:
					*(p+LCDWIDTH/32*j+i)&=temp_color;
					break;
					
                            case GRAPH_MODE_XOR:
			             *(p+LCDWIDTH/32*j+i)^=temp_color;
			             break;

				case GRAPH_MODE_NOR:
					*(p+LCDWIDTH/32*j+i)=~*(p+LCDWIDTH/32*j+i);
					break;
					
				
				}
			}		
		}
   
#endif



}
void Direct_FillRect2(PDC pdc, structRECT *rect,U32 DrawMode, U32 color)
{
       Direct_FillRect( pdc, rect->left, rect->top, rect->right, rect->bottom, DrawMode, color);
}
void Direct_Circle(PDC pdc,int x0,int y0,int r)
{
 
	   	
	   int x,y;
          int y1,y2;
          int x1,x2;
          int detx,dety;

       
//////first draw the four special point
          for(x=x0;x>=x0-(int)(r*sqrt(2)/2)-1;x--)
          	{
          	y1=y0+(int)(sqrt(r*r-(x-x0)*(x-x0)));
		y2=y0-(int)(sqrt(r*r-(x-x0)*(x-x0)));

		detx=ABS(x0-x);//det大于0；
		dety=ABS(y0-y2);
            			  
              Direct_SetPixel(pdc, x, y1, 0x0000000f);
              Direct_SetPixel(pdc, 2*x0-x, y1, 0x0000000f);
              Direct_SetPixel(pdc, x, y2, 0x0000000f);
              Direct_SetPixel(pdc, 2*x0-x, y2, 0x0000000f);	
			  
              Direct_SetPixel(pdc, x0-dety, y0+detx, 0x0000000f);
	       Direct_SetPixel(pdc, x0+dety, y0+detx, 0x0000000f);
		Direct_SetPixel(pdc, x0-dety, y0-detx, 0x0000000f);
		Direct_SetPixel(pdc, x0+dety, y0-detx, 0x0000000f);		
	       
          	}         
	   
}
/*void Direct_GetChPointer(U8** pChfont, structSIZE* size, U16 ch, U8 bunicode,U8 fnt)
{
	if(bunicode){	//显示UNICODE字符集
		if(ch<256){	//ASCII字符
			size->cy=OSFontSize[fnt&0x03];
			size->cx=size->cy/2;
			switch(fnt&0x03){
			case FONTSIZE_SMALL:
				if(sucloadedfile|LOADU12FONT){
					*pChfont=UFont12[ch];
				}
				return;
			case FONTSIZE_MIDDLE:
				if(sucloadedfile|LOADU16FONT){
					*pChfont=UFont16[ch];
				}
				return;
			case FONTSIZE_BIG:
				if(sucloadedfile|LOADU24FONT){
					*pChfont=UFont24[ch];
				}
			}
			return;
		}
		//全宽度字符
		if(ch<0x2680)//特殊字符1
			ch-=0x2600;
		else if(ch<0x27c0)//特殊字符2
			ch-=0x2700-0x80;
		else if(ch<0xa000)//汉字
			ch-=0x4e00-0x80-0xc0;
		else//未定义字符
			ch=0x9fff-0x4e00+0x80+0xc0;

		size->cx=size->cy=OSFontSize[fnt&0x03];

		switch(fnt&0x03){
		case FONTSIZE_SMALL:
			if(sucloadedfile|LOADU12FONT){
				*pChfont=UCFont12[ch];
			}
			return;
		case FONTSIZE_MIDDLE:
			if(sucloadedfile|LOADU16FONT){
				*pChfont=UCFont16[ch];
			}
			return;
		case FONTSIZE_BIG:
			if(sucloadedfile|LOADU24FONT){
				*pChfont=UCFont24[ch];
			}
		}
	}
}*/
void Direct_CharactorOutRect(PDC pdc,int * x,int* y, structRECT* prect,U16 ch,U8 bunicode, U8 fnt)
{
       U8 *pfont;
	U8 nxbyte;//字符的水平占用的字节数
	U32 i,j,k,fntclr;
	INT8U err;
	structSIZE size;
	GetChPointer(&pfont, &size, ch, bunicode, fnt);

	nxbyte=size.cx/8;
	if(size.cx%8)
		nxbyte++;

//	OSSemPend(Lcd_Disp_Sem,0, &err);
	switch(fnt&0xc){
	case FONT_TRANSPARENT:	//透明背景
		for(i=0;i<size.cy;i++){
			k=7;
			for(j=0;j<size.cx;j++){
				if(IsInRect(prect, j+(*x), i+(*y))){
					if((pfont[i*nxbyte+j/8]>>k)&0x01)
						fntclr=pdc->Fontcolor;
					else
						fntclr=COLOR_WHITE;
					Direct_SetPixelOR(pdc,j+(*x),i+(*y),fntclr);
				}
				k--;
				k&=0x7;
			}
		}
		break;
	case FONT_BLACKBK:	//黑底白字
		for(i=0;i<size.cy;i++){
			k=7;
			for(j=0;j<size.cx;j++){
				if(IsInRect(prect, j+(*x), i+(*y))){
					if((~(pfont[i*nxbyte+j/8]>>k))&0x01)
						fntclr=pdc->Fontcolor;
					else
						fntclr=COLOR_WHITE;
					Direct_SetPixel(pdc,j+(*x),i+(*y),fntclr);
				}
				k--;
				k&=0x7;
			}
		}
		break;
	default:	//正常模式
		for(i=0;i<size.cy;i++){
			k=7;
			for(j=0;j<size.cx;j++){
				if(IsInRect(prect, j+(*x), i+(*y))){
					if((pfont[i*nxbyte+j/8]>>k)&0x01)
						fntclr=pdc->Fontcolor;
					else
						fntclr=COLOR_WHITE;
					Direct_SetPixel(pdc,j+(*x),i+(*y),fntclr);
				}
				k--;
				k&=0x7;
			}
		}
	}
	(*x)+=size.cx;
}

void Direct_CharactorOut(PDC pdc, int* x, int* y, U16 ch, U8 bunicode, U8 fnt) //显示单个字符
{
	U8 *pfont;
	U8 nxbyte;//字符的水平占用的字节数
	U32 i,j,k,fntclr;
	INT8U err;
	structSIZE size;
       GetChPointer(&pfont, &size, ch, bunicode, fnt);

	nxbyte=size.cx/8;
	if(size.cx%8)
		nxbyte++;

	//OSSemPend(Lcd_Disp_Sem,0, &err);
	switch(fnt&0xc){
	case FONT_TRANSPARENT:	//透明背景
		for(i=0;i<size.cy;i++){
			k=7;
			for(j=0;j<size.cx;j++){
				if((pfont[i*nxbyte+j/8]>>k)&0x1)
					fntclr=pdc->Fontcolor;
				else
					fntclr=COLOR_WHITE;
				Direct_SetPixelOR(pdc, j+(*x),i+(*y),fntclr);
				k--;
				k&=0x7;
			}
		}
		break;
	case FONT_BLACKBK:	//黑底白字
		for(i=0;i<size.cy;i++){
			k=7;
			for(j=0;j<size.cx;j++){
				if((~(pfont[i*nxbyte+j/8]>>k))&0x01)
					fntclr=pdc->Fontcolor;
					
				else
					fntclr=COLOR_WHITE;
				Direct_SetPixel(pdc,j+(*x),i+(*y),fntclr);
				k--;
				k&=0x7;
			}
		}
		break;
	default:	//正常模式
		for(i=0;i<size.cy;i++){
			k=7;
			for(j=0;j<size.cx;j++){
				if((pfont[i*nxbyte+j/8]>>k)&0x01)
					fntclr=pdc->Fontcolor;
				    //   fntclr=0x0000000f;
				else
					fntclr=COLOR_WHITE;
			            
				Direct_SetPixel(pdc,j+(*x),i+(*y),fntclr);
				k--;
				k&=0x7;
			}
		}
	}
	(*x)+=size.cx;
}
void Direct_TextOut(PDC pdc, int x, int y, U16* ch, U8 bunicode, U8 fnt)	//显示文字
{
	int i;
	pdc->Fontcolor=0x0000008;
	for(i=0;ch[i]!=0;i++){
		pdc->Fontcolor+=i;
		Direct_CharactorOut(pdc, &x, &y, ch[i], bunicode, fnt);
		
	}
	
}
void Direct_DrawRectFrame(PDC pdc, int left,int top ,int right, int bottom)
{
        Direct_MoveTo(pdc, left, top);
	 Direct_LineTo(pdc, left, bottom);
	 Direct_LineTo(pdc, right, bottom);
	 Direct_LineTo(pdc, right, top);
	 Direct_LineTo(pdc, left, top);

}
void Direct_DrawRectFrame2(PDC pdc, structRECT *rect)
{
        Direct_DrawRectFrame(pdc,rect->left,rect->top,rect->right,rect->bottom);
}
void Direct_Draw3DRect(PDC pdc, int left, int top, int right, int bottom,COLORREF color1, COLORREF color2)
{
         int i;
         pdc->PenColor=color1;
	  Direct_DrawRectFrame(pdc,left,top,right,bottom);
/*	  Direct_MoveTo(pdc,right,top);
	  Direct_LineTo( pdc, left, top);
	  Direct_LineTo( pdc, left, bottom);*/
	  pdc->PenColor=color2;
	  Direct_MoveTo(pdc, right+pdc->PenWidth, top+pdc->PenWidth);
	  Direct_LineTo(pdc, right+pdc->PenWidth, bottom+pdc->PenWidth);
	   Direct_LineTo(pdc,left+pdc->PenWidth, bottom+pdc->PenWidth); 
/*	   Direct_LineTo( pdc, right, bottom);
          Direct_LineTo( pdc, right, top);*/
	  
	  
}
void Direct_ArcTo1(PDC pdc, int x1, int y1, int R)
{
	int	delta, delta1, delta2, direction,x0,y0,dAB2,x2,y2;
	int tmpx,tmpy;
	double tmp;

	x2=pdc->DrawPointx;
	y2=pdc->DrawPointy;

	tmpx=x1-x2;
	tmpy=y1-y2;

	dAB2=tmpx*tmpx+tmpy*tmpy;

	if(dAB2==0)
		return;
	if(R*2>dAB2)
		return;

	tmp=sqrt(((double)R*R)/((double)dAB2)-0.25);

	if(R>0){//劣弧
		x0=(int)(0.5*(x1-x2)+tmp*(y1-y2)+x2);	//圆心坐标
		y0=(int)(0.5*(y1-y2)-tmp*(x1-x2)+y2);
	}
	else{	//优弧
		x0=(int)(0.5*(x1-x2)-tmp*(y1-y2)+x2);	//圆心坐标
		y0=(int)(0.5*(y1-y2)+tmp*(x1-x2)+y2);
	}
	
	x2-=x0;
	y2-=y0;
	x1-=x0;
	y1-=y0;

	delta=Getdelta1(x2,y2, R);

	while ( ABS(x1-x2)>1 || ABS(y1-y2)>1){
		Direct_SetPixel(pdc, x2+x0, y2+y0,pdc->PenColor);
		if(x2>0 && y2>0){	//第一象限
			if ( delta < 0 ){
				delta1 = 2 * ( delta + y2) - 1;
				if ( delta1 <= 0 )
					direction = 1;//选择H点
				else
					direction = 2;//选择D点
			}
			else if ( delta > 0 ){
				delta2 = 2 * ( delta - x2 ) - 1;
				if ( delta2 <= 0 )
					direction = 2;//选择D点
				else
					direction = 3;//选择V点
			}
			else	//选择D点
				direction = 2;
		}
		else if(x2<0 && y2>0){	//第二象限
			if ( delta < 0 ){
				delta1 = 2 * ( delta + y2) - 1;
				if ( delta1 <= 0 )
					direction = 1;//选择H点
				else
					direction = 8;//选择U点
			}
			else if ( delta > 0 ){
				delta2 = 2 * ( delta + x2 ) - 1;
				if ( delta2 <= 0 )
					direction = 8;//选择U点
				else
					direction = 7;//选择T点
			}
			else	//选择U点
				direction = 8;
		}
		else if(x2<0 && y2<0){	//第三象限
			if ( delta < 0 ){
				delta1 = 2 * ( delta - y2) - 1;
				if ( delta1 <= 0 )
					direction = 5;//选择R点
				else
					direction = 6;//选择S点
			}
			else if ( delta > 0 ){
				delta2 = 2 * ( delta + x2 ) - 1;
				if ( delta2 <= 0 )
					direction = 6;//选择S点
				else
					direction = 7;//选择T点
			}
			else	//选择S点
				direction = 6;
		}
		else if(x2>0 && y2<0){	//第四象限
			if ( delta < 0 ){
				delta1 = 2 * ( delta - y2) - 1;
				if ( delta1 <= 0 )
					direction = 5;//选择R点
				else
					direction = 4;//选择Q点
			}
			else if ( delta > 0 ){
				delta2 = 2 * ( delta - x2 ) - 1;
				if ( delta2 <= 0 )
					direction = 4;//选择Q点
				else
					direction = 3;//选择V点
			}
			else	//选择Q点
				direction = 4;
		}
		else{
			if(x2==0){
				if(y2>0)
					x2++;
				else
					x2--;
			}
			else{	//y2==0
				if(x2>0)
					y2--;
				else
					y2++;
			}
			delta=Getdelta1(x2,y2, R);
		}

		switch (direction)	{
		case 1:
			x2++;
			delta += 2 * ABS(x2) + 1;
			break;
		case 2:

			x2++;
			y2--;
			delta += 2 * ( ABS(x2) - ABS(y2) + 1);
			break;
		case 3:
			y2--;
			delta += ( -2 * ABS(y2) + 1 );
			break;
		case 4:
			x2--;
			y2--;
			delta += 2 * ( ABS(x2) - ABS(y2) + 1);
			break;
		case 5:
			x2--;
			delta += 2 * ABS(x2) + 1;
			break;
		case 6:
			x2--;
			y2++;
			delta += 2 * ( ABS(x2) - ABS(y2) + 1);
			break;
		case 7:
			y2++;
			delta += ( -2 * ABS(y2) + 1 );
			break;
		case 8:
			x2++;
			y2++;
			delta += 2 * ( ABS(x2) - ABS(y2) + 1);
			break;
		}
	}
}

void Direct_ArcTo2(PDC pdc, int x1, int y1, int R)
{	
	int	delta, delta1, delta2, direction,x0,y0,dAB2,x2,y2;
	int tmpx,tmpy;
	double tmp;

	x2=pdc->DrawPointx;
	y2=pdc->DrawPointy;

	tmpx=x1-x2;
	tmpy=y1-y2;

	dAB2=tmpx*tmpx+tmpy*tmpy;

	if(dAB2==0)
		return;
	if(R*2>dAB2)
		return;

	tmp=sqrt(((double)R*R)/((double)dAB2)-0.25);

	if(R>0){//劣弧
		x0=(int)(0.5*(x1-x2)-tmp*(y1-y2)+x2);	//圆心坐标
		y0=(int)(0.5*(y1-y2)+tmp*(x1-x2)+y2);
	}
	else{	//优弧
		x0=(int)(0.5*(x1-x2)+tmp*(y1-y2)+x2);	//圆心坐标
		y0=(int)(0.5*(y1-y2)-tmp*(x1-x2)+y2);
	}
	
	x2-=x0;
	y2-=y0;
	x1-=x0;
	y1-=y0;

	delta=Getdelta2(x2,y2, R);
	while ( ABS(x1-x2)>1 || ABS(y1-y2)>1){
		Direct_SetPixel(pdc, x2+x0, y2+y0,pdc->PenColor);
		if(x2>0 && y2>0){	//第一象限
			if ( delta < 0 ){
				delta1 = 2 * ( delta + y2) - 1;
				if ( delta1 <= 0 )
					direction = 5;//选择R点
				else
					direction = 6;//选择S点
			}
			else if ( delta > 0 ){
				delta2 = 2 * ( delta - x2 ) - 1;
				if ( delta2 <= 0 )
					direction = 6;//选择S点
				else
					direction = 7;//选择T点
			}
			else	//选择S点
				direction = 6;
		}
		else if(x2<0 && y2>0){	//第二象限
			if ( delta < 0 ){
				delta1 = 2 * ( delta + y2) - 1;
				if ( delta1 <= 0 )
					direction = 5;//选择R点
				else
					direction = 4;//选择Q点
			}
			else if ( delta > 0 ){
				delta2 = 2 * ( delta + x2 ) - 1;
				if ( delta2 <= 0 )
					direction = 4;//选择Q点
				else
					direction = 3;//选择V点
			}
			else	//选择Q点
				direction = 4;
		}
		else if(x2<0 && y2<0){	//第三象限
			if ( delta < 0 ){
				delta1 = 2 * ( delta - y2) - 1;
				if ( delta1 <= 0 )
					direction = 1;//选择H点
				else
					direction = 2;//选择D点
			}
			else if ( delta > 0 ){
				delta2 = 2 * ( delta + x2 ) - 1;
				if ( delta2 <= 0 )
					direction = 2;//选择D点
				else
					direction = 3;//选择V点
			}
			else	//选择D点
				direction = 2;
		}
		else if(x2>0 && y2<0){	//第四象限
			if ( delta < 0 ){
				delta1 = 2 * ( delta - y2) - 1;
				if ( delta1 <= 0 )
					direction = 1;//选择H点
				else
					direction = 8;//选择U点
			}
			else if ( delta > 0 ){
				delta2 = 2 * ( delta - x2 ) - 1;
				if ( delta2 <= 0 )
					direction = 8;//选择U点
				else
					direction = 7;//选择T点
			}
			else	//选择U点
				direction = 8;
		}
		else{
			if(x2==0){
				if(y2>0)
					x2--;
				else
					x2++;
			}
			else{	//y2==0
				if(x2>0)
					y2++;
				else
					y2--;
			}
			delta=Getdelta2(x2,y2, R);
		}
		switch (direction)	{
		case 1:
			x2++;
			delta += 2 * ABS(x2) + 1;
			break;
		case 2:
			x2++;
			y2--;
			delta += 2 * ( ABS(x2) - ABS(y2) + 1);
			break;
		case 3:
			y2--;
			delta += ( -2 * ABS(y2) + 1 );
			break;
		case 4:
			x2--;
			y2--;
			delta += 2 * ( ABS(x2) - ABS(y2) + 1);
			break;
		case 5:
			x2--;
			delta += 2 * ABS(x2) + 1;
			break;
		case 6:
			x2--;
			y2++;
			delta += 2 * ( ABS(x2) - ABS(y2) + 1);
			break;
		case 7:
			y2++;
			delta += ( -2 * ABS(y2) + 1 );
			break;
		case 8:
			x2++;
			y2++;
			delta += 2 * ( ABS(x2) - ABS(y2) + 1);
			break;
		}

	}
}
void Direct_ArcTo(PDC pdc, int x1, int y1, U8 arctype, int R)
{
	INT8U err;

	if(arctype){//逆圆
		ArcTo2(pdc,x1,y1,R);
	}
	else{	//顺圆
		ArcTo1(pdc,x1,y1,R);
	}
	pdc->DrawPointx=x1;
	pdc->DrawPointy=y1;
	
	
}

void Direct_ShowBmp(PDC pdc, char filename[], int x, int y)
{
	int i,j,k,nbyte;
	U32 cx,cy;
	U32 color;
	FILE* pfile;
	U8 *pbmp;
	static U8 bmp[4096];

	INT8U err;
	BITMAPFILEHEADER bmpfileheader;
	BITMAPINFOHEADER bmpinfoheader;

	if((pfile=OpenOSFile(filename, FILEMODE_READ))==NULL)
		return;

	ReadOSFile(pfile, (U8*)bmp, 2);

//	if((bmp[0]&0xffff)!='MB' )	//不是bmp文件
	if(bmp[0]!='B' ||bmp[1] !='M')
		return;

	ReadOSFile(pfile, (U8*)&bmpfileheader, sizeof(BITMAPFILEHEADER));
	ReadOSFile(pfile, (U8*)&bmpinfoheader, sizeof(BITMAPINFOHEADER));

	cx=bmpinfoheader.biWidth;
	cy=bmpinfoheader.biHeight;

	nbyte=bmpinfoheader.biBitCount/8;

//	pdc->PenMode=GRAPH_MODE_NORMAL;

	for(i=cy-1;i>=0;i--){
		pbmp=bmp;
		if(!ReadOSFile(pfile, bmp,cx*nbyte+((cx*nbyte)%2)))
			break;
		for(j=0;j<cx;j++){
			color=*pbmp;
			
			for(k=0;k<nbyte-1;k++){
				pbmp++;
			       color+=*pbmp;
			}
			pbmp++;
                     color/=48;  
			
                     color=0x0000000f-color;
			

			 #if COLORDEPTH_GRAY==0
			 if(color>0x00000008)
			 	color=0x00000001;
			 else
			 	color=0;
		        #endif	 
			Direct_SetPixel(pdc,x+j, y+i, color);	
			

                    
		
		
			
		}
	}

	CloseOSFile(pfile);

}

void Direct_Bmpcopy(U32 *pbmp,int width,int length)
{
       memcpy(pDirectLCDBuffer,pbmp,width*length/2);
}




void Direct_SetPixe_mono(PDC pdc, int x, int y, COLORREF color)
{


U32*  p;
p=pDirectLCDBuffer+x;
*p=1;



}
#endif