gdi.c

ADS环境下的类似linux内核的操作系统

/* MShowTec - www.mshowtec.com
** msGUI gdi.c ver1.0
** 20051221 lmjx create [e-mail]
** 
*/

#define MSGUI_GDI_C

#include "lcdcfg.h"
#include "gdi.h"
#include "dev.h"

extern unsigned char HZK12[];
extern unsigned char ASCII12[];

unsigned short virtual_screen[LCDHEIGHT][LCDWIDTH];

void gdi_update_rscreen()
{
	unsigned short para[4] = {0,0,LCDWIDTH,LCDHEIGHT};
	
	ioctrl(DEV_LCD,IOCTRL_LCD_DRAW,(long)&para);		
}

__inline void gdi_set_pixel(unsigned short x,unsigned short y,unsigned short c)
{
	virtual_screen[y][x] = c;
}

__inline unsigned short gdi_get_pixel(unsigned short x,unsigned short y)
{
	return virtual_screen[y][x];
}

void gdi_draw_h_line(POINT point,unsigned short len,unsigned short c)
{
	int i;
	unsigned short endX;
	
	if(len == 0)	
		return;
	if(point.x >= LCDWIDTH)
		return;
	if(point.y >= LCDHEIGHT)
		return;
		
	endX = point.x+len-1;
	
	if(endX >= LCDWIDTH)
		endX = 	LCDWIDTH-1;
	
	for(i = point.x;i <= endX;i++){
			gdi_set_pixel(i,point.y,c);
	}
}

void gdi_draw_v_line(POINT point,unsigned short len,unsigned short c)
{
	int i;
	unsigned short endY;
	
	if(len == 0)	
		return;
	if(point.x >= LCDWIDTH)
		return;
	if(point.y >= LCDHEIGHT)
		return;
		
	endY = point.y+len-1;
	
	if(endY >= LCDHEIGHT)
		endY = 	LCDHEIGHT-1;
	
	for(i = point.y;i <= endY;i++){
			gdi_set_pixel(point.x,i,c);
	}
}

void gdi_draw_line(POINT sp,POINT ep,unsigned short c)
{
	
}

void gdi_draw_rect(RECT rect,unsigned c)
{
	POINT spoint,epoint,tpoint;
	
	spoint.x = rect.startX;
	spoint.y = rect.startY;
	
	if((spoint.x >= LCDWIDTH)||(spoint.y >= LCDHEIGHT))
		return;
	if((rect.width == 0)||(rect.height == 0))
		return;
		
	epoint.x = spoint.x+rect.width-1;
	epoint.y = spoint.y+rect.height-1;
	
	if(epoint.x >= LCDWIDTH)
		epoint.x = 	LCDWIDTH-1;
	if(epoint.y >= LCDHEIGHT)
		epoint.y = 	LCDHEIGHT-1;
		
	gdi_draw_h_line(spoint,rect.width,c);
	gdi_draw_v_line(spoint,rect.height,c);
	
	tpoint.x = spoint.x;
	tpoint.y = epoint.y;
	gdi_draw_h_line(tpoint,rect.width,c);	
	
	tpoint.x = epoint.x;
	tpoint.y = spoint.y;
	gdi_draw_v_line(tpoint,rect.height,c);
	
}

void gdi_draw_picture(RECT rect,unsigned short* ppic)
{
		int i,j;
		unsigned short width,height;
		unsigned short picopt;
		unsigned short transc;
		unsigned short *ppicd,c;
		
		width = ppic[0];
		height = ppic[1];
		picopt = ppic[2];
		transc = ppic[3];
		ppicd = &(ppic[4]);
		
		if((rect.startX >= LCDWIDTH)||(rect.startY >= LCDHEIGHT))
			return;
		if((rect.width == 0)||(rect.height == 0))
			return;
		
		if((rect.startX+rect.width) > LCDWIDTH)
			rect.width = LCDWIDTH-rect.startX;
		if((rect.startY+rect.height) > LCDHEIGHT)
			rect.height = LCDWIDTH-rect.startY;
			
		if(rect.width > width)
			rect.width = width;
		if(rect.height > height)
			rect.height = height;
		
		if(picopt & 0x0001){
			for(j = 0;j < rect.height;j++){
				for(i = 0;i < rect.width;i++){
					c = ppicd[j*width+i];
					if(c == transc)
						continue;
					gdi_set_pixel(i+rect.startX,j+rect.startY,c);
				}	
			}
		}else{
			for(j = 0;j < rect.height;j++){
				for(i = 0;i < rect.width;i++){
					gdi_set_pixel(i+rect.startX,j+rect.startY,ppicd[j*width+i]);
				}	
			}
		}
}

void test_pic()
{
	RECT rect;
	
	rect.startX = 10;
	rect.startY = 10;
	rect.width = 96;
	rect.height = 96;
	
	//gdi_draw_rect(rect,0xffff);
	//gdi_draw_picture(rect,(unsigned short*)gpic_0);
	gdi_update_rscreen();	
}

//////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////

//String function here
//only support font12*12 

void gdi_draw_hz(POINT point,unsigned char* str,unsigned short c)
{
	unsigned short i,j,k;
	unsigned short x,y;

	for(i=0;i<12;i++)
	{
		for(j=0;j<2;j++)
		{
			for(k=0;k<8;k++)
			{
				if(((str[i*2+j]>>(7-k))&0x1)!=0)
				{
					x = point.x+8*j+k;
					y = point.y+i;
					gdi_set_pixel(x,y,c);
				}
			}
		}
	}	
}

void gdi_draw_ascii(POINT point,unsigned char* str,unsigned short c)
{
	unsigned short i,j;
	unsigned short x,y;

	for(i=0;i<12;i++)
	{
		for(j=0;j<8;j++)
		{
			if(((str[i]>>(7-j))&0x1)!=0)
			{
				x = point.x + j;
				y = point.y + i;
				gdi_set_pixel(x,y,c);
			}
		}

	}	
	
}

void gdi_draw_string(POINT point,unsigned char* str,unsigned short c)
{
	int i,len;
	unsigned long offset;
	
	while(*str){
		if(point.x+12 > LCDWIDTH){
			point.x = 0;
			point.y += 12;
		}
		if(point.y+12 > LCDHEIGHT){
			point.y = 0;
		}
		
		if((*str)&0x80){//hzk12
			offset = ((((*str-0xa0)-1)*94)+((*(str+1)-0xa0)-1))*24;
			gdi_draw_hz(point,(unsigned char*)(HZK12+offset),c);
			str += 2;
			point.x += 12;
		}else{//ASCII
			offset = (*str) * 12;
			gdi_draw_ascii(point,ASCII12+offset,c);
			str++;
			point.x += 8;
		}
		
	}
}

void gdi_draw_string_border(POINT point,unsigned char* str,unsigned short c)
{
	int i,len;
	unsigned long offset;
	POINT tpoint;
	
	while(*str){
		if(point.x+12 > LCDWIDTH){
			point.x = 1;
			point.y += 12;
		}
		if(point.y+12 > LCDHEIGHT){
			point.y = 1;
		}
		
		if(point.x == 0)point.x = 1;
		if(point.y == 0)point.y = 1;
		
		if((*str)&0x80){//hzk12
			offset = ((((*str-0xa0)-1)*94)+((*(str+1)-0xa0)-1))*24;
			
			tpoint.x = point.x-1;
			tpoint.y = point.y;
			gdi_draw_hz(tpoint,(unsigned char*)(HZK12+offset),~(c+1));
			
			tpoint.x = point.x+1;
			tpoint.y = point.y;
			gdi_draw_hz(tpoint,(unsigned char*)(HZK12+offset),~(c+1));
			
			tpoint.x = point.x;
			tpoint.y = point.y-1;
			gdi_draw_hz(tpoint,(unsigned char*)(HZK12+offset),~(c+1));
			
			tpoint.x = point.x;
			tpoint.y = point.y+1;
			gdi_draw_hz(tpoint,(unsigned char*)(HZK12+offset),~(c+1));
			
			gdi_draw_hz(point,(unsigned char*)(HZK12+offset),c);
			
			str += 2;
			point.x += 14;
		}else{//ASCII
			offset = (*str) * 12;
			
			tpoint.x = point.x-1;
			tpoint.y = point.y;
			gdi_draw_ascii(tpoint,ASCII12+offset,~(c+1));

			tpoint.x = point.x+1;
			tpoint.y = point.y;
			gdi_draw_ascii(tpoint,ASCII12+offset,~(c+1));
						
			tpoint.x = point.x;
			tpoint.y = point.y-1;
			gdi_draw_ascii(tpoint,ASCII12+offset,~(c+1));
			
			tpoint.x = point.x;
			tpoint.y = point.y+1;
			gdi_draw_ascii(tpoint,ASCII12+offset,~(c+1));
			
			gdi_draw_ascii(point,ASCII12+offset,c);
			
			str++;
			point.x += 10;
		}
		
	}
}

void gdi_text_out(RECT rect,unsigned char* str,unsigned short c)
{
	int i,len;
	int x,y,rectw,recth;
	unsigned long offset;
	POINT point;
	
	x = rect.startX;
	y = rect.startY;
	rectw = rect.width;
	recth = rect.height;
	
	while(*str){
		if(x+12 > rect.startX+rect.width){
			x = rect.startX;
			y += 12;
		}
		if(y+12 > rect.startY+rect.height){
			return;
		}
		
		point.x = x;
		point.y = y;
		
		if((*str)&0x80){//hzk12
			offset = ((((*str-0xa0)-1)*94)+((*(str+1)-0xa0)-1))*24;			
			gdi_draw_hz(point,(unsigned char*)(HZK12+offset),c);
			str += 2;
			x += 12;
		}else{//ASCII
			offset = (*str) * 12;
			gdi_draw_ascii(point,ASCII12+offset,c);
			str++;
			x += 8;
		}		
	}
}

void gdi_text_out_border(RECT rect,unsigned char* str,unsigned short c)
{
	int i,len;
	int x,y,rectw,recth;
	unsigned long offset;
	POINT point,tpoint;
	
	x = rect.startX;
	y = rect.startY;
	rectw = rect.width;
	recth = rect.height;
	
	if(x == 0)x = 1;
	if(y == 0)y = 1;
	
	while(*str){
		if(x+14 > rect.startX+rect.width){
			x = rect.startX;
			y += 14;
		}
		if(y+14 > rect.startY+rect.height){
			return;
		}
		
		point.x = x;
		point.y = y;
		
		if((*str)&0x80){//hzk12
			offset = ((((*str-0xa0)-1)*94)+((*(str+1)-0xa0)-1))*24;
			
			tpoint.x = point.x-1;
			tpoint.y = point.y;
			gdi_draw_hz(tpoint,(unsigned char*)(HZK12+offset),~(c));
			
			tpoint.x = point.x+1;
			tpoint.y = point.y;
			gdi_draw_hz(tpoint,(unsigned char*)(HZK12+offset),~(c));
			
			tpoint.x = point.x;
			tpoint.y = point.y-1;
			gdi_draw_hz(tpoint,(unsigned char*)(HZK12+offset),~(c));
			
			tpoint.x = point.x;
			tpoint.y = point.y+1;
			gdi_draw_hz(tpoint,(unsigned char*)(HZK12+offset),~(c));
			
			gdi_draw_hz(point,(unsigned char*)(HZK12+offset),c);
			
			str += 2;
			x += 14;
		}else{//ASCII
			offset = (*str) * 12;
			
			tpoint.x = point.x-1;
			tpoint.y = point.y;
			gdi_draw_ascii(tpoint,ASCII12+offset,~(c));

			tpoint.x = point.x+1;
			tpoint.y = point.y;
			gdi_draw_ascii(tpoint,ASCII12+offset,~(c));
						
			tpoint.x = point.x;
			tpoint.y = point.y-1;
			gdi_draw_ascii(tpoint,ASCII12+offset,~(c));
			
			tpoint.x = point.x;
			tpoint.y = point.y+1;
			gdi_draw_ascii(tpoint,ASCII12+offset,~(c));
			
			gdi_draw_ascii(point,ASCII12+offset,c);
			str++;
			x += 10;
		}		
	}
}

void test_string()
{
	POINT point;
	
	point.x = 20;
	point.y = 20;
	
	gdi_draw_string(point,(unsigned char*)"测试aa测试aa测试aa测试aa测试aa测试aa测试aa测试aa测试aa",0xf800);
	gdi_update_rscreen();
}

///////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////