kolibrios/programs/cmm/lib/font.h
Kirill Lipatov (Leency) ee1f775549 Add kolibri font viewer, separate font.text into font.prepare and font.show
git-svn-id: svn://kolibrios.org@5776 a494cfbc-eb01-0410-851d-a64ba20cac60
2015-08-27 08:33:51 +00:00

360 lines
7.4 KiB
C

#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<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+=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<EDX)
{
buffer_size = EDX;
buffer = realloc(buffer,buffer_size);
}
IF (no_bg_copy)
{
EBX = bg_color;
EDI = buffer;
EAX = buffer_size+EDI;
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);
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<height)
{
xi = 0;
TMP = size.offset_y+yi;
while(xi<width)
{
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<Form_SELF_FONTS.cwidth)&&(tmp_y+yi<Form_SELF_FONTS.cheight)
{
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