forked from KolibriOS/kolibrios
284 lines
6.6 KiB
C
284 lines
6.6 KiB
C
#ifndef INCLUDE_LABEL_H
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#define INCLUDE_LABEL_H
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#ifndef INCLUDE_MATH_H
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#include "../lib/math.h"
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#endif
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#ifndef INCLUDE_IO_H
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#include "../lib/io.h"
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#endif
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#include "../lib/patterns/rgb.h"
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#define DEFAULT_FONT "/sys/fonts/Tahoma.kf"
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:struct __SIZE
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{
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dword width,height;
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signed offset_x, offset_y;
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byte pt;
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};
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:struct LABEL
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{
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__SIZE size;
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int width,height;
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byte bold,smooth;
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dword color, background;
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dword font,font_begin;
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word block;
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dword raw;
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dword raw_size;
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byte init();
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bool changeSIZE();
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byte symbol();
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byte symbol_size();
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dword getsize();
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void ApplySmooth();
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int WriteIntoWindow();
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int WriteIntoWindowCenter();
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void WriteIntoBuffer();
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void ShowBuffer();
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} label;
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:bool LABEL::changeSIZE()
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{
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dword file_size;
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dword ofs;
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if(size.pt<9) size.pt = 9;
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font = font_begin;
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ofs = DSDWORD[calc(size.pt-8<<2+font_begin)];
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if(ofs==-1)return false;
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font += ofs + 156;
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file_size = DSDWORD[calc(font)];
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height = DSBYTE[calc(font+file_size) - 1];
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width = DSBYTE[calc(font+file_size) - 2];
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block = math.ceil(height*width/32);
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return true;
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}
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:dword LABEL::getsize(byte fontSizePoints, dword text1)
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{
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size.height = size.width = 0;
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size.offset_x = size.offset_y = -1;
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size.pt = fontSizePoints;
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if(size.pt)if(!changeSIZE())return 0;
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WHILE(DSBYTE[text1])
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{
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symbol_size(DSBYTE[text1]);
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text1++;
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}
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$neg size.offset_y
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$neg size.offset_x
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size.height += size.offset_y+1;
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size.width += size.offset_x+1;
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return size.width;
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}
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:byte LABEL::symbol_size(byte s)
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{
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//return symbol_size(s);
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dword xi,yi;
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dword tmp,_;
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dword iii = 0;
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byte rw=0;
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byte X;
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if(bold) size.width+=math.ceil(size.pt/17);
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if(s==32)
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{
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size.width += width/4;
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return;
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}
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if(s==9)
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{
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size.width += width;
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return;
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}
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s = Cp866ToAnsi(s);
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tmp = block*s << 2 + font;
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for(yi=0; yi<height; yi++)
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{
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for(xi=0; xi<width; xi++)
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{
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if(iii%32) _ >>= 1;
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else
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{
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tmp += 4;
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_ = DSDWORD[tmp];
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}
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if(_&1)
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{
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if(xi>rw)rw=xi;
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if(size.height<yi)size.height = yi;
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if(size.offset_y<0)size.offset_y = yi;
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else if(yi<size.offset_y)size.offset_y = yi;
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if(!X) X = xi;
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else if(X>xi)X = xi;
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}
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iii++;
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}
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}
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size.width += rw;
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if(size.offset_x<0)size.offset_x = X;
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}
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:byte LABEL::symbol(signed x,y; byte s; dword image_raw)
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{
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dword xi,yi;
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dword iii = 0;
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dword offs;
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byte rw=0;
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if(s==32)return width/4;
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if(s==9)return width;
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s = Cp866ToAnsi(s);
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EBX = block*s << 2 + font;
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for(yi=0; yi<height; yi++)
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{
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EDI = size.offset_y + yi + y * size.width * 3 + image_raw;
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for(xi=0; xi<width; xi++)
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{
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if(iii%32) $shr ecx,1
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else
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{
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EBX += 4;
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ECX = DSDWORD[EBX];
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}
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if(ECX&true)
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{
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if(xi>rw)rw=xi;
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offs = x + xi *3 + EDI;
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DSDWORD[offs] = DSDWORD[offs] & 0xFF000000 | color;
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if(bold) DSDWORD[offs+3] = DSDWORD[offs+3] & 0xFF000000 | color;
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}
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iii++;
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}
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}
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return rw;
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}
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inline fastcall Cp866ToAnsi(AL) {
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if (AL>=128)&&(AL<=175) return AL+64;
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if (AL>=224)&&(AL<=239) return AL+16;
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if (AL==241) return 184; //e ruAL with dotAL (yo)
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if (AL==240) return 168; //E ruAL with dotAL (yo)
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if (AL==242) return 'E'; //E ukr (ye)
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if (AL==243) return 186; //e ukr (ye)
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if (AL==244) return 'I'; //I ukr (yi)
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if (AL==245) return 191; //i ukr (yi)
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return AL;
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}
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:byte LABEL::init(dword font_path)
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{
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IO label_io;
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if(font)free(font);
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label_io.read(font_path);
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if(!EAX) {
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debugln(font_path);
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label_io.run("/sys/@notify", "'Error: KFONT is not loaded.' -E");
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return false;
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}
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font_begin = label_io.buffer_data;
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changeSIZE();
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smooth = true;
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return true;
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}
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/*=====================================================================================
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=========================== ===========================
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=========================== RAW ===========================
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=========================== ===========================
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=====================================================================================*/
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inline fastcall dword b24(EAX) { return DSDWORD[EAX] & 0x00FFFFFF; }
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:void LABEL::ApplySmooth()
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{
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dword i,line_w,to,dark_background;
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line_w = size.width * 3;
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to = size.height - 1 * line_w + raw - 3;
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for(i=raw; i < to; i+=3)
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{
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if(i-raw%line_w +3 == line_w) continue;
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// pixels position, where b - black, w - write
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// bw
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// wb
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if(b24(i)!=background) && (b24(i+3)==background) && (b24(i+line_w)==background) && (b24(i+3+line_w)!=background)
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{
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dark_background = MixColors(background,b24(i),210);
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DSDWORD[i+3] = DSDWORD[i+3] & 0xFF000000 | dark_background;
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DSDWORD[i+line_w] = DSDWORD[i+line_w] & 0xFF000000 | dark_background;
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}
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// wb
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// bw
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else if(b24(i)==background) && (b24(i+3)!=background) && (b24(i+line_w)!=background) && (b24(i+3+line_w)==background)
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{
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dark_background = MixColors(background,b24(i+3),210);
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DSDWORD[i] = DSDWORD[i] & 0xFF000000 | dark_background;
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DSDWORD[i+3+line_w] = DSDWORD[i+3+line_w] & 0xFF000000 | dark_background;
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}
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}
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}
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:void LABEL::WriteIntoBuffer(int x,y,w,h; dword _background, _color; byte fontSizePoints; dword text1)
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{
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dword new_raw_size;
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if(!text1)return;
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if(size.pt)if(!changeSIZE())return;
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if (size.pt != fontSizePoints) {
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getsize(fontSizePoints, text1);
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y -= size.offset_y;
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}
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color = _color;
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background = _background;
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size.width = w;
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size.height = h;
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new_raw_size = w*h*3;
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if(raw_size != new_raw_size)
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{
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raw_size = new_raw_size;
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free(raw);
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raw = malloc(raw_size);
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// Fill background color
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EBX = background;
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EAX = raw_size+raw;
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for (EDI=raw; EDI<EAX; EDI+=3) ESDWORD[EDI] = EBX;
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}
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WHILE(DSBYTE[text1])
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{
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x+=symbol(x,y,DSBYTE[text1], raw);
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if(bold)x+=math.ceil(size.pt/17);
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text1++;
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}
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return;
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}
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:int LABEL::WriteIntoWindow(int x,y; dword _background, _color; byte fontSizePoints; dword text1)
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{
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if(!text1)return 0;
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getsize(fontSizePoints, text1);
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raw_size = NULL;
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WriteIntoBuffer(0, -size.offset_y, size.width-size.offset_x,
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size.height-size.offset_y, _background, _color, fontSizePoints, text1);
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if (smooth) ApplySmooth();
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ShowBuffer(x,y);
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return size.offset_x + size.width;
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}
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:int LABEL::WriteIntoWindowCenter(dword x,y,w,h; dword _background, _color; byte fontSizePoints; dword text1)
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{
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getsize(fontSizePoints, text1);
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return WriteIntoWindow(w-size.width/2+x,y, _background, _color, fontSizePoints, text1);
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}
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:void LABEL::ShowBuffer(dword x, y){
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_PutImage(x, y, size.width, size.height, raw);
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}
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#endif |