kolibrios/programs/cmm/lib/font.h

#ifndef INCLUDE_FONT_H
#define INCLUDE_FONT_H

#ifndef INCLUDE_MATH_H
#include "../lib/math.h"
#endif

#ifndef INCLUDE_IO_H
#include "../lib/io.h"
#endif

:struct __SIZE
{
	word width,height;
	signed offset_x,offset_y;
	byte text;
};
:struct FONT
{
	__SIZE size;
	byte width,height,offsetLine,r,g,b,weight;
	dword color;
	dword file_size;
	dword buffer;
	dword buffer_size;
	word block;
	dword data;
	dword begin;
	dword size_file;
	byte load(...);
	byte symbol(word x;byte s;dword c);
	byte symbol_size(byte s);
	dword text(word x,y;dword text1,c);
	dword getsize(dword text1);
	dword textarea(word x,y;dword text,c);
	byte changeSIZE();
	void PixelRGB(word x,y);
	dword tmp_y,tmp_height,tmp_x;
	byte no_bg_copy;
	dword bg_color;
};
FONT font = 0;

:void FONT::PixelRGB(dword x,y)
{
	dword tmp;
	tmp = y*size.width*3;
	tmp += x*3;
	tmp += buffer;

	DSBYTE[tmp] = r;
	tmp++;
	DSBYTE[tmp] = g;
	tmp++;
	DSBYTE[tmp] = b;
}
:byte FONT::changeSIZE()
{
	dword TMP_DATA;
	dword ofs;
	byte s;
	IF(size.text<9) size.text = 8;
	IF(size.text>45)size.text = 45;
		s = size.text-8;
		data = begin;
		TMP_DATA = data;
		TMP_DATA +=s*4;
		ofs = DSDWORD[TMP_DATA];
		IF(ofs==-1)return false;
		data += ofs;
		data += 156;
		TMP_DATA = data;
		file_size = DSDWORD[TMP_DATA];
		TMP_DATA += file_size;
		TMP_DATA--;
		height = DSBYTE[TMP_DATA];
		TMP_DATA--;
		width =  DSBYTE[TMP_DATA];
		block = math.ceil(height*width/32);
		return true;
}
:proc_info Form_SELF_FONTS;

:dword FONT::getsize(dword text1)
{
	size.height = size.width = 0;
	size.offset_x = size.offset_y = -1;
	IF(size.text)IF(!changeSIZE())return 0;
	WHILE(DSBYTE[text1])
	{
		symbol_size(DSBYTE[text1]);
		text1++;
	}
	$neg size.offset_y
	$neg size.offset_x
	size.height++;
	size.height += size.offset_y;
	size.width += size.offset_x;
	size.width++;
	return size.width;
}
:byte FONT::symbol_size(byte s)
{
        dword xi,yi;
        dword tmp,_;
        dword iii;
        byte rw=0;
		byte X;
        IF(s==32)
		{
			size.width += width/4;
			IF(weight) size.width++;
			return;
		}
		IF(s==9)
		{
			size.width += width;
			IF(weight) size.width++;
			return;
		}
        yi = 0;
        iii = 0;
        tmp = 4*block*s;
        tmp +=data;
        while(yi<height)
        {
                xi = 0;
                WHILE(xi<width)
                {
                        IF(iii%32) _ >>= 1;
						ELSE
						{
                                tmp += 4;
                                _ = DSDWORD[tmp];
                        }
                        IF(_&1)
						{
							IF(xi>rw)rw=xi;
							IF(size.height<yi)size.height = yi;
							IF(size.offset_y<0)size.offset_y = yi;
							ELSE IF(yi<size.offset_y)size.offset_y = yi;
							IF(!X) X = xi;
							ELSE IF(X>xi)X = xi;
						}
                        xi++;
                        iii++;
                }
                yi++;
        }
		size.width += rw;
		IF(weight) size.width++;
		IF(s=='_') size.width--;
		IF(size.offset_x<0)size.offset_x = X;
}
:dword FONT::text(word x,y;dword text1)
{
	signed len=0;
	dword c;
	word _tmp_h;
	c = color;
	IF(size.text)IF(!changeSIZE())return 0;
	GetProcessInfo(#Form_SELF_FONTS, SelfInfo); 
	IF(y>Form_SELF_FONTS.cheight) return 0;
	IF(x>Form_SELF_FONTS.cwidth) return 0;
	tmp_y = y;
	AX = c;
	r = AL;
	g = AH;
	c>>=16;
	AX = c;
	b = AL;
	getsize(text1);
	IF(!buffer_size)
	{
		buffer_size = size.width*size.height*3;
		buffer = malloc(buffer_size);
	}
	ELSE IF(buffer_size<size.width*size.height*3)
	{
		buffer_size = size.width*size.height*3;
		buffer = realloc(buffer,buffer_size);
	}
	IF (no_bg_copy)
	{
		EBX = bg_color;
		EAX = buffer_size+buffer;
		EDI = buffer;
		WHILE (EDI<EAX)
		{
			ESDWORD[EDI] = EBX;
			$add edi,3
		}
	}
	ELSE CopyScreen(buffer,x+Form_SELF_FONTS.left+5,y+Form_SELF_FONTS.top+GetSkinHeight(),size.width,size.height);

	WHILE(DSBYTE[text1])
	{
		IF(DSBYTE[text1]=='_') len--;
		len+=symbol(len,DSBYTE[text1],c);
		IF(weight)len++;
		text1++;
	}
	_PutImage(x,y-size.offset_y,size.width,size.height,buffer);
	return len;
}
:dword FONT::textarea(word x,y;dword text1,c;byte size)
{
	
}

:byte FONT::symbol(signed x;byte s;dword c)
{
        dword xi,yi;
        dword tmp,_;
        dword iii;
		dword ___x;
        byte rw=0;
		x += size.offset_x;
        IF(s==32)return width/4;
		IF(s==9)return width;
        yi = 0;
        iii = 0;
        tmp = 4*block*s;
        tmp +=data;
        while(yi<height)
        {
                xi = 0;
                while(xi<width)
                {
                        IF(iii%32) _ >>= 1;
						ELSE
						{
                                tmp += 4;
                                _ = DSDWORD[tmp];
                        }
                        IF(_&1)
                        {
                                IF(xi>rw)rw=xi;
								___x = x+xi;
								IF(___x<Form_SELF_FONTS.cwidth)&&(tmp_y+yi<Form_SELF_FONTS.cheight)
								{
									PixelRGB(___x,size.offset_y+yi);
									IF(weight) PixelRGB(___x+1,size.offset_y+yi);
								}
                        }
                        xi++;
                        iii++;
                }
                yi++;
        }
        return rw;
}
:byte FONT::load(dword path)
{
	dword tmp;
	buffer_size = 0;
	IF(data)free(data);
	if (!io.readKPACK(path))
	{
		debug("Error while loading font: ");
		debugln(path);
		return 0;
	}
	tmp = io.buffer_data;
	data = tmp;
	begin = data;
	size_file = io.FILES_SIZE;
	tmp +=size_file;
	tmp--;
	height = DSBYTE[tmp];
	tmp--;
	width = DSBYTE[tmp];
	block = math.ceil(height*width/32);
}

#endif