Subversion Repositories Kolibri OS

#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

#define CP866 0

#define ANSI   1

:struct __SIZE

{

	word width,height;

	signed offset_x,offset_y;

	float offset_i,w_italic;

	byte text;

	byte TMP_WEIGHT;

};

:struct FONT

{

	__SIZE size;

	byte width,height,offsetLine,r,g,b,weight,italic;

	byte encoding;

	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 prepare(word x,y;dword text1);

	void show(word x,y);

	byte textcenter(word x,y,w,h;dword txt);

	dword getsize(dword text1);

	dword textarea(word x,y;dword text,c);

	byte changeSIZE();

	void PixelRGB(word x,y);

	dword GetPixel(word x,y);

	dword tmp_y,tmp_height,tmp_x;

	byte no_bg_copy;

	dword bg_color;

};

FONT font = 0;

:dword FONT::GetPixel(word x,y)

{

	dword tmp;

	tmp = y*size.width*3;

	tmp += x*3;

	tmp += buffer;

	r = DSBYTE[tmp];

	tmp++;

	g = DSBYTE[tmp];

	tmp++;

	b = DSBYTE[tmp];

}

: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;

	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;

:byte FONT::textcenter(word x,y,w,h;dword txt)

{

	getsize(txt);

	EDX = w/2;

	ECX = size.width/2;

	EDX -= ECX;

	x += EDX;

	return text(x,y,txt);

}

: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++;

	IF(italic)

	{

		size.w_italic = size.height/3;

		size.offset_i = size.w_italic/size.height;

		size.width += size.w_italic;

		size.w_italic = -size.w_italic;

	}

	return size.width;

}

:byte FONT::symbol_size(byte s)

{

        dword xi,yi;

        dword tmp,_;

        dword iii;

        byte rw=0;

		byte X;

		size.TMP_WEIGHT = math.ceil(size.text/17);

        IF(s==32)

		{

			size.width += width/4;

			IF(weight) size.width+=size.TMP_WEIGHT;

			return;

		}

		IF(s==9)

		{

			size.width += width;

			IF(weight) size.width+=size.TMP_WEIGHT;

			return;

		}

		IF(!encoding){

			IF(s>=128)&&(s<=175)s+=64;

			ELSE IF(s>=224)&&(s<=239)s+=16;

		}

        yi = 0;

        iii = 0;

        tmp = 4*block*s;

        tmp +=data;

        while(yi

        {

                xi = 0;

                WHILE(xi

                {

                        IF(iii%32) _ >>= 1;

						ELSE

						{

                                tmp += 4;

                                _ = DSDWORD[tmp];

                        }

                        IF(_&1)

						{

							IF(xi>rw)rw=xi;

							IF(size.height

							IF(size.offset_y<0)size.offset_y = yi;

							ELSE IF(yi

							IF(!X) X = xi;

							ELSE IF(X>xi)X = xi;

						}

                        xi++;

                        iii++;

                }

                yi++;

        }

		size.width += rw;

		IF(weight) size.width+=size.TMP_WEIGHT;

		IF(s=='_') size.width--;

		IF(size.offset_x<0)size.offset_x = X;

}

:dword FONT::prepare(word x,y;dword text1)

{

	signed len=0;

	dword c;

	word _tmp_h;

	c = color;

	IF(!text1)return false;

	IF(size.text)IF(!changeSIZE())return false;

	GetProcessInfo(#Form_SELF_FONTS, SelfInfo);

	IF(y>Form_SELF_FONTS.cheight) return false;

	IF(x>Form_SELF_FONTS.cwidth) return false;

	AX = c;

	r = AL;

	g = AH;

	c>>=16;

	AX = c;

	b = AL;

	getsize(text1);

	y -= size.offset_y;

	tmp_y = y;

	EDX = size.width*size.height*3;

	IF(!buffer_size)

	{

		buffer_size = EDX;

		buffer = malloc(buffer_size);

	}

	ELSE IF(buffer_size

	{

		buffer_size = EDX;

		buffer = realloc(buffer,buffer_size);

	}

	IF (no_bg_copy)

	{

		EBX = bg_color;

		EDI = buffer;

		EAX = buffer_size+EDI;

		WHILE (EDI

		{

			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);

	len = size.offset_x;

	WHILE(DSBYTE[text1])

	{

		IF(DSBYTE[text1]=='_') len--;

		len+=symbol(len,DSBYTE[text1]);

		IF(weight)len+=math.ceil(size.text/17);

		text1++;

	}

	IF (no_bg_copy) && (!color) SmoothFont(buffer, size.width, size.height);

	return len;

}

:void FONT::show(word x,y)

{

	_PutImage(x,y,size.width,size.height,buffer);

}

inline fastcall dword b24(EBX) { return DSDWORD[EBX] << 8; }

:void SmoothFont(dword image, w, h)

{

	byte rr,gg,bb;

	dword i,line_w,to, pixel;

	line_w = w * 3;

	to = w*h*3 + image - line_w - 3;

	for (i = image; i < to; i+=3)	{

		if (i-image%line_w +3 == line_w) continue;

		if (b24(i)==0x000000) && (b24(i+3)!=0x000000) && (b24(i+line_w)!=0x000000) && (b24(i+3+line_w)==0x000000)

		{

			ShadowImage(i+3, 1, 1, 2);

			ShadowImage(i+line_w, 1, 1, 2);

		}

		else if (b24(i)!=0x000000) && (b24(i+3)==0x000000) && (b24(i+line_w)==0x000000) && (b24(i+3+line_w)!=0x000000)

		{

			ShadowImage(i, 1, 1, 2);

			ShadowImage(i+3+line_w, 1, 1, 2);

		}

	}

}

:dword FONT::textarea(word x,y;dword text1,c;byte size)

{

}

:byte FONT::symbol(signed x;byte s)

{

        dword xi,yi;

        dword tmp,_;

        dword iii;

		float ital = -size.w_italic;

		dword ___x;

		word TMP;

		byte _TMP_WEIGHT;

        byte rw=0;

        IF(s==32)return width/4;

		IF(s==9)return width;

		IF(!encoding)

		{

			IF(s>=128)&&(s<=175)s+=64;

			ELSE IF(s>=224)&&(s<=239)s+=16;

		}

        yi = 0;

        iii = 0;

        tmp = 4*block*s;

        tmp +=data;

        while(yi

        {

                xi = 0;

				TMP = size.offset_y+yi;

                while(xi

                {

					IF(iii%32) _ >>= 1;

					ELSE

					{

							tmp += 4;

							_ = DSDWORD[tmp];

					}

					if(_&1)

					{

							IF(xi>rw)rw=xi;

							___x = x+xi;

							IF(italic)___x+=math.ceil(ital);

							if(___x

							{

								PixelRGB(___x,TMP);

								_TMP_WEIGHT = size.TMP_WEIGHT;

								WHILE(_TMP_WEIGHT)

								{

									IF(weight) PixelRGB(___x+_TMP_WEIGHT,TMP);

									_TMP_WEIGHT--;

								}

							}

					}

					xi++;

					iii++;

                }

                yi++;

				IF(italic) ital-=size.offset_i;

        }

        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 false;

	}

	begin = tmp = data = io.buffer_data;

	size_file = io.FILES_SIZE;

	tmp +=size_file;

	tmp--;

	height = DSBYTE[tmp];

	tmp--;

	width = DSBYTE[tmp];

	block = math.ceil(height*width/32);

	return true;

}

#endif