glib.c

2410开发测试程序

#include "def.h"
#include "lcdlib.h"
#include "glib.h"
#include "lcd.h"


void (*PutPixel)(U32,U32,U32);

void Glib_Init(int type)
{
	switch(type)
	{
		case MODE_STN_1BIT:
			PutPixel=_PutStn1Bit;
			break;
		case MODE_STN_2BIT:
				PutPixel=_PutStn2Bit;
				break;
		case MODE_STN_4BIT:
			PutPixel=_PutStn4Bit;
			break;
		case MODE_CSTN_8BIT:
			PutPixel=_PutCstn8Bit;
			break;	
		case MODE_CSTN_12BIT:
			PutPixel=_PutCstn12Bit;
			break;	
		case MODE_TFT_8BIT_240320:
			PutPixel=_PutTft8Bit_240320;		
			break;	
		case MODE_TFT_16BIT_240320:
			PutPixel=_PutTft16Bit_240320;
			break;	
		case MODE_TFT_1BIT_640480:
			PutPixel=_PutTft1Bit_640480;
			break;	
		case MODE_TFT_8BIT_640480:
			PutPixel=_PutTft8Bit_640480;
			break;	
		case MODE_TFT_16BIT_640480:
			PutPixel=_PutTft16Bit_640480;
			break;	
		case MODE_TFT_24BIT_640480:
			PutPixel=_PutTft24Bit_640480;
			break;	
	//--------------------------------------
		case MODE_TFT_1BIT_800600:
			PutPixel=_PutTft1Bit_800600;
			break;	
		case MODE_TFT_8BIT_800600:
			PutPixel=_PutTft8Bit_800600;
			break;	
		case MODE_TFT_16BIT_800600:
			PutPixel=_PutTft16Bit_800600;
			break;	
	//--------------------------------------
		default: 
			break;
	}
}


void _PutStn1Bit(U32 x,U32 y,U32 c)
{
	if(x<SCR_XSIZE_STN&& y<SCR_YSIZE_STN)
		frameBuffer1Bit[(y)][(x)/32]=( frameBuffer1Bit[(y)][(x)/32]
				& ~(0x80000000>>((x)%32)*1) ) | ( (c&0x00000001)<< ((32-1-((x)%32))*1) );
}


void _PutStn2Bit(U32 x,U32 y,U32 c)
{
	if(x<SCR_XSIZE_STN&& y<SCR_YSIZE_STN)
		frameBuffer2Bit[(y)][(x)/16]=( frameBuffer2Bit[(y)][x/16]
				& ~(0xc0000000>>((x)%16)*2) ) | ( (c&0x00000003)<<((16-1-((x)%16))*2) );
}


void _PutStn4Bit(U32 x,U32 y,U32 c)
{
	if(x<SCR_XSIZE_STN&& y<SCR_YSIZE_STN)
		frameBuffer4Bit[(y)][(x)/8]=( frameBuffer4Bit[(y)][x/8]
				& ~(0xf0000000>>((x)%8)*4) ) | ( (c&0x0000000f)<<((8-1-((x)%8))*4) );
}


void _PutCstn8Bit(U32 x,U32 y,U32 c)
{
	if(x<SCR_XSIZE_CSTN&& y<SCR_YSIZE_CSTN)
		frameBuffer8Bit[(y)][(x)/4]=( frameBuffer8Bit[(y)][x/4]
				& ~(0xff000000>>((x)%4)*8) ) | ( (c&0x000000ff)<<((4-1-((x)%4))*8) );
}


void _PutCstn12Bit(U32 x,U32 y,U32 c)
{
	U32 z;
	z=((x)%8);
	if(x<SCR_XSIZE_CSTN&& y<SCR_YSIZE_CSTN)
	{

		if((z%3)!=2)
			frameBuffer12Bit[(y)][(x)*3/8]=
					( frameBuffer12Bit[(y)][(x)*3/8] & ~(0xfff00000>>(((z/3)*4)+((z)%3)*12) )
					| ( (c&0xfff)<<(20-(((z/3)*4)+((z)%3)*12))) );
		else
		{
			if(z==2)
			{
				frameBuffer12Bit[(y)][(x)*3/8]=( (frameBuffer12Bit[(y)][(x)*3/8]
						& ~(0xff)) | ((c&0xff0)>>4) ); 
				frameBuffer12Bit[(y)][((x)*3/8)+1]=( (frameBuffer12Bit[(y)][((x)*3/8)+1]
						& ~(0xf0000000)) | ((c&0xf)<<28) );
			}	
			else if(z==5)
			{
				frameBuffer12Bit[(y)][(x)*3/8]=( (frameBuffer12Bit[(y)][(x)*3/8]
						& ~(0xf)) | ((c&0xf00)>>8) );
				frameBuffer12Bit[(y)][((x)*3/8)+1]=( (frameBuffer12Bit[(y)][((x)*3/8)+1]
						& ~(0xff000000)) | ((c&0xff)<<24) );
			}	
		}
	}
}


void _PutTft8Bit_240320(U32 x,U32 y,U32 c)
{
	if(x<SCR_XSIZE_TFT_240320 && y<SCR_YSIZE_TFT_240320)
		frameBuffer8BitTft240320[(y)][(x)/4]=( frameBuffer8BitTft240320[(y)][x/4]
				& ~(0xff000000>>((x)%4)*8) ) | ( (c&0x000000ff)<<((4-1-((x)%4))*8) );
}


void _PutTft16Bit_240320(U32 x,U32 y,U32 c)
{
	if(x<SCR_XSIZE_TFT_240320 && y<SCR_YSIZE_TFT_240320)
		frameBuffer16BitTft240320[(y)][(x)/2]=( frameBuffer16BitTft240320[(y)][x/2]
				& ~(0xffff0000>>((x)%2)*16) ) | ( (c&0x0000ffff)<<((2-1-((x)%2))*16) );
}


void _PutTft1Bit_640480(U32 x,U32 y,U32 c)
{
	if(x<SCR_XSIZE_TFT_640480 && y<SCR_YSIZE_TFT_640480)
		frameBuffer1BitTft640480[(y)][(x)/32]=( frameBuffer1BitTft640480[(y)][x/32]
				& ~(0x80000000>>((x)%32)*1) ) | ( (c&0x00000001)<< ((32-1-((x)%32))*1) );
}


void _PutTft8Bit_640480(U32 x,U32 y,U32 c)
{
	if(x<SCR_XSIZE_TFT_640480 && y<SCR_YSIZE_TFT_640480)
		frameBuffer8BitTft640480[(y)][(x)/4]=( frameBuffer8BitTft640480[(y)][x/4]
				& ~(0xff000000>>((x)%4)*8) ) | ( (c&0x000000ff)<<((4-1-((x)%4))*8) );
}


void _PutTft16Bit_640480(U32 x,U32 y,U32 c)
{
	if(x<SCR_XSIZE_TFT_640480 && y<SCR_YSIZE_TFT_640480)
		frameBuffer16BitTft640480[(y)][(x)/2]=( frameBuffer16BitTft640480[(y)][x/2]
				& ~(0xffff0000>>((x)%2)*16) ) | ( (c&0x0000ffff)<<((2-1-((x)%2))*16) );
}



void _PutTft24Bit_640480(U32 x,U32 y,U32 c)
{
	if(x<SCR_XSIZE_TFT_640480 && y<SCR_YSIZE_TFT_640480)
		frameBuffer24BitTft640480[(y)][(x)]=( frameBuffer24BitTft640480[(y)][(x)]
				& (0x0) | ( c&0xffffff00)); // | ( c&0x00ffffff)); LSB 
}



void _PutTft1Bit_800600(U32 x,U32 y,U32 c)
{
	if(x<SCR_XSIZE_TFT_800600 && y<SCR_YSIZE_TFT_800600)
		frameBuffer1BitTft800600[(y)][(x)/32]=( frameBuffer1BitTft800600[(y)][x/32]
				& ~(0x80000000>>((x)%32)*1) ) | ( (c&0x00000001)<< ((32-1-((x)%32))*1) );
}


void _PutTft8Bit_800600(U32 x,U32 y,U32 c)
{
	if(x<SCR_XSIZE_TFT_800600 && y<SCR_YSIZE_TFT_800600)
		frameBuffer8BitTft800600[(y)][(x)/4]=( frameBuffer8BitTft800600[(y)][x/4]
				& ~(0xff000000>>((x)%4)*8) ) | ( (c&0x000000ff)<<((4-1-((x)%4))*8) );
}


void _PutTft16Bit_800600(U32 x,U32 y,U32 c)
{
	if(x<SCR_XSIZE_TFT_800600 && y<SCR_YSIZE_TFT_800600)
		frameBuffer16BitTft800600[(y)][(x)/2]=( frameBuffer16BitTft800600[(y)][x/2]
				& ~(0xffff0000>>((x)%2)*16) ) | ( (c&0x0000ffff)<<((2-1-((x)%2))*16) );
}


void Glib_Rectangle(int x1,int y1,int x2,int y2,int color)
{
	Glib_Line(x1,y1,x2,y1,color);
	Glib_Line(x2,y1,x2,y2,color);
	Glib_Line(x1,y2,x2,y2,color);
	Glib_Line(x1,y1,x1,y2,color);
}

void Glib_FilledRectangle(int x1,int y1,int x2,int y2,int color)
{
	int i;

	for(i=y1;i<=y2;i++)
		Glib_Line(x1,i,x2,i,color);
}

// LCD display is flipped vertically
// But, think the algorithm by mathematics point.
//	3I2
//	4 I 1
//	--+--	<-8 octants	mathematical cordinate
//	5 I 8
//	6I7
void Glib_Line(int x1,int y1,int x2,int y2,int color)
{
	int dx,dy,e;
	dx=x2-x1; 
	dy=y2-y1;
	
	if(dx>=0)
	{
		if(dy >= 0) 	// dy>=0
		{
			if(dx>=dy)	// 1/8 octant
			{
				e=dy-dx/2;
				while(x1<=x2)
				{
					PutPixel(x1,y1,color);
					if(e>0){y1+=1;e-=dx;}	
					x1+=1;
					e+=dy;
				}
			}
			else		// 2/8 octant
			{
				e=dx-dy/2;
				while(y1<=y2)
				{
					PutPixel(x1,y1,color);
					if(e>0){x1+=1;e-=dy;}	
					y1+=1;
					e+=dx;
				}
			}
		}
		else			// dy<0
		{
			dy=-dy;		// dy=abs(dy)

			if(dx>=dy)	// 8/8 octant
			{
				e=dy-dx/2;
				while(x1<=x2)
				{
					PutPixel(x1,y1,color);
					if(e>0){y1-=1;e-=dx;}	
					x1+=1;
					e+=dy;
				}
			}
			else		// 7/8 octant
			{
				e=dx-dy/2;
				while(y1>=y2)
				{
					PutPixel(x1,y1,color);
					if(e>0){x1+=1;e-=dy;}	
					y1-=1;
					e+=dx;
				}
			}
		}	
	}
	else //dx<0
	{
		dx=-dx;			//dx=abs(dx)
		if(dy >= 0)		// dy>=0
		{
			if(dx>=dy)	// 4/8 octant
			{
				e=dy-dx/2;
				while(x1>=x2)
				{
					PutPixel(x1,y1,color);
					if(e>0){y1+=1;e-=dx;}	
					x1-=1;
					e+=dy;
				}
			}
			else		// 3/8 octant
			{
				e=dx-dy/2;
				while(y1<=y2)
				{
					PutPixel(x1,y1,color);
					if(e>0){x1-=1;e-=dy;}	
					y1+=1;
					e+=dx;
				}
			}
		}
		else			// dy<0
		{
			dy=-dy;		// dy=abs(dy)

			if(dx>=dy)	// 5/8 octant
			{
				e=dy-dx/2;
				while(x1>=x2)
				{
					PutPixel(x1,y1,color);
					if(e>0){y1-=1;e-=dx;}	
					x1-=1;
					e+=dy;
				}
			}
			else		// 6/8 octant
			{
				e=dx-dy/2;
				while(y1>=y2)
				{
					PutPixel(x1,y1,color);
					if(e>0){x1-=1;e-=dy;}	
					y1-=1;
					e+=dx;
				}
			}
		}	
	}
}

void Glib_ClearScr(U32 c, int type)
{	
	//Very inefficient function.
	int i,j;
	//if((type==MODE_TFT_1BIT_800600)|(type==MODE_TFT_8BIT_800600)|(type==MODE_TFT_16BIT_800600))
	if((type&0x4000)&&(type&0x400))
		for(j=0;j<SCR_YSIZE_TFT_800600;j++)
			for(i=0;i<SCR_XSIZE_TFT_800600;i++)
				PutPixel(i,j,c);
	//else if((type==MODE_TFT_1BIT_640480)|(type==MODE_TFT_8BIT_640480)|(type==MODE_TFT_16BIT_640480))
	else if((type&0x4000)&&(type&0x200))
		for(j=0;j<SCR_YSIZE_TFT_640480;j++)
			for(i=0;i<SCR_XSIZE_TFT_640480;i++)
				PutPixel(i,j,c);
	//else if((type==MODE_TFT_1BIT_240320)|(type==MODE_TFT_8BIT_240320)|(type==MODE_TFT_16BIT_240320))
	else if((type&0x4000)&&(type&0x100))
		for(j=0;j<SCR_YSIZE_TFT_240320;j++)
			for(i=0;i<SCR_XSIZE_TFT_240320;i++)
				PutPixel(i,j,c);
	else if(type&0x2000)
		for(j=0;j<SCR_YSIZE_CSTN;j++)
			for(i=0;i<SCR_XSIZE_CSTN;i++)
				PutPixel(i,j,c);
	else
		for(j=0;j<SCR_YSIZE_STN;j++)
			for(i=0;i<SCR_XSIZE_STN;i++)
				PutPixel(i,j,c);
}