Subversion Repositories Kolibri OS

#ifndef INCLUDE_FONT_H

#define INCLUDE_FONT_H

#ifndef INCLUDE_MATH_H

#include "../lib/math.h"

#endif

#ifndef INCLUDE_FS_H

#include "../lib/obj/fs.h"

#endif

#define DEFAULT_FONT "/sys/fonts/Tahoma.kf"

:struct __OFFSET_FONT

{

	signed x,y;

};

:struct __SIZE

{

	dword width,height;

	__OFFSET_FONT offset;

	float offset_i,w_italic;

	byte text;

	byte TMP_WEIGHT;

};

:struct FONT

{

	__SIZE size;

	int left,top,width,height;

	byte bold,italic,smooth;

	byte no_bg_copy;

	dword bg_color;

	dword color;

	dword file_size;

	dword buffer;

	dword buffer_size;

	word block;

	dword data;

	dword begin;

	byte load(...);

	byte symbol(word x,y;byte s;dword c);

	byte symbol_size(byte s);

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

	void prepare_buf(dword x,y,w,h, text1);

	void show();

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

	dword getsize(dword text1);

	byte changeSIZE();

	void PixelRGB(dword x,y);

};

FONT font = 0;

:void FONT::PixelRGB(dword x,y)

{

	dword offs = y*size.width+x*3 + buffer;

	DSDWORD[offs] = DSDWORD[offs] & 0xFF000000 | color;

}

:byte FONT::changeSIZE()

{

	dword TMP_DATA;

	dword ofs;

	IF(size.text<9) size.text = 8;

	TMP_DATA = data = begin;

	TMP_DATA +=size.text-8*4;

	ofs = DSDWORD[TMP_DATA];

	IF(ofs==-1)return false;

	data += ofs + 156;

	TMP_DATA = data;

	file_size = DSDWORD[TMP_DATA];

	TMP_DATA = data + file_size;

	height = DSBYTE[TMP_DATA - 1];

	width =  DSBYTE[TMP_DATA - 2];

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

	return true;

}

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

{

	getsize(txt);

	EDX = w/2;

	ECX = size.width/2;

	EDX -= ECX;

	x += EDX;

	prepare(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.offset.y; size.height++;

	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(bold) size.width+=size.TMP_WEIGHT;

			return;

		}

		IF(s==9)

		{

			size.width += width;

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

			return;

		}

		s = AnsiToCp866(s);

		iii = 0;

		tmp = 4*block*s + data;

		for(yi=0; yi

		{

			for(xi=0; 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;

				}

				iii++;

			}

		}

		size.width += rw;

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

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

		IF(size.offset.x<0)size.offset.x = X;

}

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

{

		dword xi,yi;

		dword iii;

		float ital = -size.w_italic;

		dword ___x;

		byte rw=0;

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

		IF(s==9)return width;

		s = AnsiToCp866(s);

		iii = 0;

		EBX = block*s << 2 + data;

		for(yi=0; yi

		{

			EDI = size.offset.y + yi + y;

			for(xi=0; xi

			{

				IF(iii%32) $shr ecx,1

				ELSE

				{

						EBX += 4;

						ECX = DSDWORD[EBX];

				}

				IF(ECX&true)

				{

						IF(xi>rw)rw=xi;

						___x = x+xi;

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

						PixelRGB(___x,EDI);

						IF(bold) PixelRGB(___x+1,EDI);

				}

				iii++;

			}

			if (italic) ital-=size.offset_i;

		}

		return rw;

}

:void FONT::show(){

	_PutImage(left,top,size.width,size.height,buffer);

}

byte AnsiToCp866(byte s) {

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

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

	ELSE IF(s==241)s=184; //yo

	ELSE IF(s==240)s=168; //YO

	return s;

}

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

:void SmoothFont(dword image, w, h)

{

	dword i,line_w,to;

	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);

		}

	}

}

:byte FONT::load(dword path)

{

	lib_init_fs();

	buffer_size = 0;

	smooth = true;

	IF(data)free(data);

	IF(!fs.read(path)) { debug("Error while loading font: "); debugln(path); return false; }

	begin = data = EAX;

	EBX = begin + ECX;

	height = DSBYTE[EBX-1];

	width = DSBYTE[EBX-2];

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

	return true;

}

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

{

	signed len=0;

	proc_info Form_SELF_FONTS;

	dword c;

	IF(!text1)return false;

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

	left = x;

	getsize(text1);

	y -= size.offset.y;

	top = 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;

		EAX = buffer_size+buffer;

		for (EDI=buffer; EDI

	}

	ELSE

	{

		GetProcessInfo(#Form_SELF_FONTS, SelfInfo);

		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,0,DSBYTE[text1]);

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

		text1++;

	}

	IF (smooth) SmoothFont(buffer, size.width, size.height);

	return len;

}

:void FONT::prepare_buf(int x,y,w,h; dword text1)

{

	dword c, new_buffer_size;

	IF(!text1)return;

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

	getsize(text1);

	y -= size.offset.y;

	size.width = w;

	size.height = h;

	new_buffer_size = w*h*3;

	IF(buffer_size != w*h*3)

	{

		buffer_size = new_buffer_size;

		free(buffer);

		buffer = malloc(buffer_size);

		EBX = bg_color;

		EAX = buffer_size+buffer;

		for (EDI=buffer; EDI

	}

	WHILE(DSBYTE[text1])

	{

		x+=symbol(x,y,DSBYTE[text1]);

		IF(bold)x+=math.ceil(size.text/17);

		text1++;

	}

	return;

}

#endif