| [21] | 1 | UNIT Unit6_imgfuncs;
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| 2 | INTERFACE
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| 3 | USES Math, Dialogs, SysUtils, Unit3_data;
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| 4 |
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| 5 | TYPE
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| 6 | TImgPackage=RECORD
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| 7 | imgx,imgy:Word;
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| 8 | imgdepth:Byte;
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| 9 | storetype:Byte;
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| 10 | datasize:LongWord;
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| 11 | raw_addr:LongWord;
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| 12 | imgdata:Tdata;
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| 13 | END;
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| 14 | FUNCTION ResizeImage(oldx,oldy:LongWord; imgdepth:Byte; data:Tdata):Tdata;
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| 15 | FUNCTION RevertImage(imgx,imgy,imgdepth:LongWord; imgdata:Tdata):Tdata;
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| 16 | FUNCTION DecompressImage(imgx,imgy:LongWord; imgdata:Tdata):Tdata;
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| 17 | FUNCTION ImgdataToBmp(imgx,imgy,imgdepth,storetype:LongWord; imgdata:Tdata):Tdata;
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| 18 | FUNCTION BmpToImgdata(bmpdata:Tdata):TImgPackage;
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| 19 | FUNCTION LoadTXMBconnected(fileid:LongWord):TImgPackage;
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| 20 | FUNCTION LoadImgData(fileid:LongWord):TImgPackage;
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| 21 | FUNCTION GetImageDataSize(imgx,imgy,imgdepth:Word; fading:Boolean):LongWord;
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| 22 | FUNCTION CreateFadedImage(image:TImgPackage):Tdata;
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| 23 |
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| 24 | IMPLEMENTATION
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| 25 | USES Unit2_functions;
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| 26 |
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| 27 |
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| 28 | FUNCTION ResizeImage(oldx,oldy:LongWord; imgdepth:Byte; data:Tdata):Tdata;
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| 29 | VAR
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| 30 | i,j:LongWord;
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| 31 | col,row,row_orig:LongWord;
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| 32 | temparray:Tdata;
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| 33 | BEGIN
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| 34 | SetLength(temparray,(oldx DIV 2)*(oldy DIV 2)*(imgdepth DIV 8));
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| 35 | row_orig:=0;
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| 36 | row:=0;
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| 37 | col:=0;
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| 38 | FOR i:=0 TO (oldx*oldy)-1 DO BEGIN
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| 39 | IF ((i MOD oldx)=0) AND (i>0) THEN BEGIN
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| 40 | Inc(row_orig);
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| 41 | IF (row_orig MOD 2)=0 THEN BEGIN
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| 42 | Inc(row);
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| 43 | col:=0;
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| 44 | END;
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| 45 | END;
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| 46 | IF (row_orig MOD 2)=0 THEN BEGIN
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| 47 | IF (i MOD 2)=0 THEN BEGIN
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| 48 | FOR j:=0 TO (imgdepth DIV 8)-1 DO
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| 49 | temparray[((row*(oldx DIV 2))+col)*(imgdepth DIV 8)+j]:=data[i*2+j];
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| 50 | Inc(col);
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| 51 | END;
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| 52 | END;
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| 53 | END;
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| 54 | Result:=temparray;
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| 55 | END;
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| 56 |
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| 57 |
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| 58 | FUNCTION RevertImage(imgx,imgy,imgdepth:LongWord; imgdata:Tdata):Tdata;
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| 59 | VAR
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| 60 | x,y,i:LongWord;
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| 61 | BEGIN
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| 62 | SetLength(Result,imgx*imgy*(imgdepth DIV 8));
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| 63 | FOR y:=0 TO imgy-1 DO
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| 64 | FOR x:=0 TO imgx-1 DO
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| 65 | FOR i:=0 TO (imgdepth DIV 8)-1 DO
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| 66 | Result[((imgx*(imgy-1-y)+x)*(imgdepth DIV 8))+i]:=
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| 67 | imgdata[(imgx*y+x)*(imgdepth DIV 8)+i];
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| 68 | END;
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| 69 |
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| 70 |
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| 71 | FUNCTION DecompressImage(imgx,imgy:LongWord; imgdata:Tdata):Tdata;
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| 72 | TYPE
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| 73 | Tcolor=RECORD
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| 74 | RGBb:Byte;
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| 75 | RGBg:Byte;
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| 76 | RGBr:Byte;
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| 77 | RGBa:Byte;
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| 78 | END;
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| 79 | VAR
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| 80 | i,j,x,y:LongWord;
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| 81 | color:Array[1..4] OF Tcolor;
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| 82 | pixel:Array[1..16] OF Byte;
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| 83 | BEGIN
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| 84 | x:=0;
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| 85 | y:=0;
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| 86 | SetLength(Result,imgx*imgy*4);
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| 87 | FOR i:=0 TO ((imgx*imgy) DIV 16)-1 DO BEGIN
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| 88 | Color[1].RGBb:=Floor(((imgdata[(i*8)+0]+imgdata[(i*8)+1]*256) AND $001F) / $001F * 255);
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| 89 | Color[1].RGBg:=Floor(((imgdata[(i*8)+0]+imgdata[(i*8)+1]*256) AND $07E0) / $07E0 * 255);
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| 90 | Color[1].RGBr:=Floor(((imgdata[(i*8)+0]+imgdata[(i*8)+1]*256) AND $F800) / $F800 * 255);
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| 91 | Color[1].RGBa:=255;
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| 92 | Color[2].RGBb:=Floor(((imgdata[(i*8)+2]+imgdata[(i*8)+3]*256) AND $001F) / $001F * 255);
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| 93 | Color[2].RGBg:=Floor(((imgdata[(i*8)+2]+imgdata[(i*8)+3]*256) AND $07E0) / $07E0 * 255);
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| 94 | Color[2].RGBr:=Floor(((imgdata[(i*8)+2]+imgdata[(i*8)+3]*256) AND $F800) / $F800 * 255);
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| 95 | Color[2].RGBa:=255;
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| 96 | Color[3].RGBb:=Floor( Color[1].RGBb/3*2 + Color[2].RGBb/3 );
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| 97 | Color[3].RGBg:=Floor( Color[1].RGBg/3*2 + Color[2].RGBg/3 );
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| 98 | Color[3].RGBr:=Floor( Color[1].RGBr/3*2 + Color[2].RGBr/3 );
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| 99 | Color[3].RGBa:=255;
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| 100 | Color[4].RGBb:=Floor( Color[1].RGBb/3 + Color[2].RGBb/3*2 );
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| 101 | Color[4].RGBg:=Floor( Color[1].RGBg/3 + Color[2].RGBg/3*2 );
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| 102 | Color[4].RGBr:=Floor( Color[1].RGBr/3 + Color[2].RGBr/3*2 );
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| 103 | Color[4].RGBa:=255;
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| 104 | Pixel[1]:=Floor( (imgdata[(i*8)+4] AND $C0) / $40 + 1 );
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| 105 | Pixel[2]:=Floor( (imgdata[(i*8)+4] AND $30) / $10 + 1 );
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| 106 | Pixel[3]:=Floor( (imgdata[(i*8)+4] AND $0C) / $04 + 1 );
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| 107 | Pixel[4]:=Floor( (imgdata[(i*8)+4] AND $03) + 1 );
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| 108 | Pixel[5]:=Floor( (imgdata[(i*8)+5] AND $C0) / $40 + 1 );
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| 109 | Pixel[6]:=Floor( (imgdata[(i*8)+5] AND $30) / $10 + 1 );
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| 110 | Pixel[7]:=Floor( (imgdata[(i*8)+5] AND $0C) / $04 + 1 );
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| 111 | Pixel[8]:=Floor( (imgdata[(i*8)+5] AND $03) + 1 );
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| 112 | Pixel[9]:=Floor( (imgdata[(i*8)+6] AND $C0) / $40 + 1 );
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| 113 | Pixel[10]:=Floor( (imgdata[(i*8)+6] AND $30) / $10 + 1 );
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| 114 | Pixel[11]:=Floor( (imgdata[(i*8)+6] AND $0C) / $04 + 1 );
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| 115 | Pixel[12]:=Floor( (imgdata[(i*8)+6] AND $03) + 1 );
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| 116 | Pixel[13]:=Floor( (imgdata[(i*8)+7] AND $C0) / $40 + 1 );
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| 117 | Pixel[14]:=Floor( (imgdata[(i*8)+7] AND $30) / $10 + 1 );
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| 118 | Pixel[15]:=Floor( (imgdata[(i*8)+7] AND $0C) / $04 + 1 );
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| 119 | Pixel[16]:=Floor( (imgdata[(i*8)+7] AND $03) + 1 );
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| 120 | FOR j:=0 TO 3 DO BEGIN
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| 121 | Result[((y+3)*imgx+x+j)*3+0]:=Color[Pixel[16-j]].RGBb;
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| 122 | Result[((y+3)*imgx+x+j)*3+1]:=Color[Pixel[16-j]].RGBg;
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| 123 | Result[((y+3)*imgx+x+j)*3+2]:=Color[Pixel[16-j]].RGBr;
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| 124 | END;
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| 125 | FOR j:=0 TO 3 DO BEGIN
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| 126 | Result[((y+2)*imgx+x+j)*3+0]:=Color[Pixel[12-j]].RGBb;
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| 127 | Result[((y+2)*imgx+x+j)*3+1]:=Color[Pixel[12-j]].RGBg;
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| 128 | Result[((y+2)*imgx+x+j)*3+2]:=Color[Pixel[12-j]].RGBr;
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| 129 | END;
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| 130 | FOR j:=0 TO 3 DO BEGIN
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| 131 | Result[((y+1)*imgx+x+j)*3+0]:=Color[Pixel[8-j]].RGBb;
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| 132 | Result[((y+1)*imgx+x+j)*3+1]:=Color[Pixel[8-j]].RGBg;
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| 133 | Result[((y+1)*imgx+x+j)*3+2]:=Color[Pixel[8-j]].RGBr;
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| 134 | END;
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| 135 | FOR j:=0 TO 3 DO BEGIN
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| 136 | Result[((y+0)*imgx+x+j)*3+0]:=Color[Pixel[4-j]].RGBb;
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| 137 | Result[((y+0)*imgx+x+j)*3+1]:=Color[Pixel[4-j]].RGBg;
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| 138 | Result[((y+0)*imgx+x+j)*3+2]:=Color[Pixel[4-j]].RGBr;
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| 139 | END;
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| 140 | x:=x+4;
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| 141 | IF x=imgx THEN BEGIN
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| 142 | y:=y+4;
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| 143 | x:=0;
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| 144 | END;
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| 145 | END;
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| 146 | END;
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| 147 |
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| 148 |
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| 149 | FUNCTION ImgdataToBmp(imgx,imgy,imgdepth,storetype:LongWord; imgdata:Tdata):Tdata;
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| 150 | CONST BMPheader:Array[0..53] OF Byte=
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| 151 | ($42,$4D,0,0,0,0,0,0,0,0,54,0,0,0,
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| 152 | 40,0,0,0,0,0,0,0,0,0,0,0,1,0,$18,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0);
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| 153 | VAR
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| 154 | i,x,y:LongWord;
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| 155 | BEGIN
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| 156 | CASE storetype OF
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| 157 | 0: BEGIN
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| 158 | SetLength(Result,imgx*imgy*3);
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| 159 | FOR y:=0 TO imgy-1 DO BEGIN
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| 160 | FOR x:=0 TO imgx-1 DO BEGIN
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| 161 | Result[((imgx*y+x)*3)+0]:=Floor( ( (imgdata[(imgx*y+x)*2]+imgdata[(imgx*y+x)*2+1]*256) AND $000F ) / $000F * 255);
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| 162 | Result[((imgx*y+x)*3)+1]:=Floor( ( (imgdata[(imgx*y+x)*2]+imgdata[(imgx*y+x)*2+1]*256) AND $00F0 ) / $00F0 * 255);
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| 163 | Result[((imgx*y+x)*3)+2]:=Floor( ( (imgdata[(imgx*y+x)*2]+imgdata[(imgx*y+x)*2+1]*256) AND $0F00 ) / $0F00 * 255);
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| 164 | END;
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| 165 | END;
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| 166 | END;
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| 167 | 1,2,8: BEGIN
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| 168 | SetLength(Result,imgx*imgy*3);
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| 169 | FOR y:=0 TO imgy-1 DO BEGIN
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| 170 | FOR x:=0 TO imgx-1 DO BEGIN
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| 171 | Result[((imgx*y+x)*3)+0]:=Floor( ( (imgdata[(imgx*y+x)*2]+imgdata[(imgx*y+x)*2+1]*256) AND $001F ) / $001F * 255);
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| 172 | Result[((imgx*y+x)*3)+1]:=Floor( ( (imgdata[(imgx*y+x)*2]+imgdata[(imgx*y+x)*2+1]*256) AND $03E0 ) / $03E0 * 255);
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| 173 | Result[((imgx*y+x)*3)+2]:=Floor( ( (imgdata[(imgx*y+x)*2]+imgdata[(imgx*y+x)*2+1]*256) AND $7C00 ) / $7C00 * 255);
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| 174 | END;
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| 175 | END;
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| 176 | END;
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| 177 | 9: BEGIN
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| 178 | Result:=DecompressImage(imgx,imgy,imgdata);
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| 179 | END;
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| 180 | END;
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| 181 | Result:=RevertImage(imgx,imgy,24,Result);
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| 182 | SetLength(Result,imgx*imgy*3+54);
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| 183 | FOR i:=High(Result)-54 DOWNTO 0 DO Result[i+54]:=Result[i];
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| 184 |
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| 185 | FOR i:=0 TO High(BMPheader) DO Result[i]:=BMPheader[i];
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| 186 | Result[2]:=((imgx*imgy*3+54) AND $000000FF);
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| 187 | Result[3]:=((imgx*imgy*3+54) AND $0000FF00) DIV $100;
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| 188 | Result[4]:=((imgx*imgy*3+54) AND $00FF0000) DIV $10000;
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| 189 | Result[5]:=((imgx*imgy*3+54) AND $FF000000) DIV $1000000;
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| 190 | Result[18]:=(imgx AND $000000FF) DIV $1;
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| 191 | Result[19]:=(imgx AND $0000FF00) DIV $100;
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| 192 | Result[20]:=(imgx AND $00FF0000) DIV $10000;
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| 193 | Result[21]:=(imgx AND $FF000000) DIV $1000000;
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| 194 | Result[22]:=(imgy AND $000000FF) DIV $1;
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| 195 | Result[23]:=(imgy AND $0000FF00) DIV $100;
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| 196 | Result[24]:=(imgy AND $00FF0000) DIV $10000;
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| 197 | Result[25]:=(imgy AND $FF000000) DIV $1000000;
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| 198 | Result[34]:=((imgx*imgy*3) AND $000000FF) DIV $1;
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| 199 | Result[35]:=((imgx*imgy*3) AND $0000FF00) DIV $100;
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| 200 | Result[36]:=((imgx*imgy*3) AND $00FF0000) DIV $10000;
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| 201 | Result[37]:=((imgx*imgy*3) AND $FF000000) DIV $1000000;
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| 202 | END;
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| 203 |
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| 204 | FUNCTION BmpToImgdata(bmpdata:Tdata):TImgPackage;
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| 205 | VAR
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| 206 | x,y:LongWord;
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| 207 | r24,g24,b24:Word;
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| 208 | r16,g16,b16:Word;
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| 209 | gesamt:Word;
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| 210 | BEGIN
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| 211 | Result.imgdepth:=0;
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| 212 | IF NOT((bmpdata[00]=$42) AND (bmpdata[01]=$4D)) THEN BEGIN
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| 213 | ShowMessage('Not a standard 24bit bitmap');
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| 214 | Exit;
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| 215 | END;
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| 216 | IF NOT(bmpdata[10]=54) THEN BEGIN
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| 217 | ShowMessage('Imagedata has to start at 0x54');
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| 218 | Exit;
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| 219 | END;
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| 220 | IF NOT(bmpdata[14]=40) THEN BEGIN
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| 221 | ShowMessage('Second bitmap header has to have 40 bytes');
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| 222 | Exit;
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| 223 | END;
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| 224 | IF NOT(bmpdata[28]=24) THEN BEGIN
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| 225 | ShowMessage('Bitmap has to have 24bits');
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| 226 | Exit;
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| 227 | END;
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| 228 | IF NOT(bmpdata[30]=0) THEN BEGIN
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| 229 | ShowMessage('Bitmap has to be uncompressed');
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| 230 | Exit;
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| 231 | END;
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| 232 | Result.imgx:=bmpdata[18]+bmpdata[19]*256+bmpdata[20]*256*256+bmpdata[21]*256*256*256;
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| 233 | Result.imgy:=bmpdata[22]+bmpdata[23]*256+bmpdata[24]*256*256+bmpdata[25]*256*256*256;
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| 234 | Result.imgdepth:=16;
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| 235 | Result.storetype:=1;
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| 236 |
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| 237 | SetLength(Result.imgdata,Result.imgx*Result.imgy*2);
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| 238 | FOR y:=0 TO Result.imgy-1 DO BEGIN
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| 239 | FOR x:=0 TO Result.imgx-1 DO BEGIN
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| 240 | r24:=bmpdata[54+(Result.imgx*y+x)*3+0];
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| 241 | g24:=bmpdata[54+(Result.imgx*y+x)*3+1];
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| 242 | b24:=bmpdata[54+(Result.imgx*y+x)*3+2];
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| 243 | r16:=(Ceil(r24*$001F/255)) AND $001F;
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| 244 | g16:=(Ceil(g24*$03E0/255)) AND $03E0;
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| 245 | b16:=(Ceil(b24*$7C00/255)) AND $7C00;
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| 246 | gesamt:=r16+g16+b16;
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| 247 | Result.imgdata[((Result.imgx*y+x)*2)+0]:=gesamt AND $00FF;
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| 248 | Result.imgdata[((Result.imgx*y+x)*2)+1]:=(gesamt AND $FF00) DIV 256;
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| 249 | END;
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| 250 | END;
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| 251 |
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| 252 | Result.imgdata:=RevertImage(Result.imgx,Result.imgy,Result.imgdepth,Result.imgdata);
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| 253 | END;
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| 254 |
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| 255 | FUNCTION LoadTXMBconnected(fileid:LongWord):TImgPackage;
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| 256 | VAR
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| 257 | i,x,y,x2,y2,pixelid,imgid:LongWord;
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| 258 | rows,cols:Word;
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| 259 | linkcount:LongWord;
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| 260 | link:LongWord;
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| 261 | single_image:TImgPackage;
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| 262 | images_decoded:Array OF TImgPackage;
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| 263 | x_start,y_start:LongWord;
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| 264 | BEGIN
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| 265 | LoadDatFilePart(fileid,$10,SizeOf(Result.imgx),@Result.imgx);
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| 266 | LoadDatFilePart(fileid,$12,SizeOf(Result.imgy),@Result.imgy);
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| 267 | LoadDatFilePart(fileid,$18,SizeOf(cols),@cols);
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| 268 | LoadDatFilePart(fileid,$1A,SizeOf(rows),@rows);
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| 269 | LoadDatFilePart(fileid,$1C,SizeOf(linkcount),@linkcount);
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| 270 | SetLength(images_decoded,linkcount);
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| 271 | FOR i:=0 TO linkcount-1 DO BEGIN
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| 272 | LoadDatFilePart(fileid,$20+i*4,SizeOf(link),@link);
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| 273 | link:=link DIV 256;
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| 274 | single_image:=LoadImgData(link);
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| 275 | images_decoded[i]:=BmpToImgdata(ImgdataToBmp(single_image.imgx,single_image.imgy,single_image.imgdepth,single_image.storetype,single_image.imgdata));
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| 276 | END;
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| 277 | SetLength(Result.imgdata,Result.imgx*Result.imgy*2);
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| 278 | FOR y:=0 TO rows-1 DO BEGIN
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| 279 | FOR x:=0 TO cols-1 DO BEGIN
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| 280 | imgid:=y*cols+x;
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| 281 | x_start:=0;
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| 282 | y_start:=0;
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| 283 | FOR i:=0 TO x DO IF i<x THEN x_start:=x_start+images_decoded[i].imgx;
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| 284 | FOR i:=0 TO y DO IF i<y THEN y_start:=y_start+images_decoded[i].imgy;
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| 285 | FOR y2:=0 TO images_decoded[imgid].imgy-1 DO BEGIN
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| 286 | FOR x2:=0 TO images_decoded[imgid].imgx-1 DO BEGIN
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| 287 | IF ( (x_start+x2)<Result.imgx ) AND ( (y_start+y2)<Result.imgy ) THEN BEGIN
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| 288 | pixelid:=y_start*Result.imgx+x_start+y2*Result.imgx+x2;
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| 289 | Result.imgdata[pixelid*2+0]:=images_decoded[imgid].imgdata[(y2*images_decoded[imgid].imgx+x2)*2+0];
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| 290 | Result.imgdata[pixelid*2+1]:=images_decoded[imgid].imgdata[(y2*images_decoded[imgid].imgx+x2)*2+1];
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| 291 | END;
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| 292 | END;
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| 293 | END;
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| 294 | END;
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| 295 | END;
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| 296 | Result.imgdepth:=16;
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| 297 | Result.storetype:=1;
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| 298 | END;
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| 299 |
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| 300 | FUNCTION LoadImgData(fileid:LongWord):TImgPackage;
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| 301 | BEGIN
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| 302 | LoadDatFilePart(fileid,$9C,SizeOf(Result.raw_addr),@Result.raw_addr);
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| 303 | LoadDatFilePart(fileid,$8C,SizeOf(Result.imgx),@Result.imgx);
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| 304 | LoadDatFilePart(fileid,$8E,SizeOf(Result.imgy),@Result.imgy);
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| 305 | LoadDatFilePart(fileid,$90,SizeOf(Result.storetype),@Result.storetype);
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| 306 |
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| 307 | CASE Result.storetype OF
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| 308 | 0,1,2: BEGIN
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| 309 | Result.datasize:=Result.imgx*Result.imgy*2;
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| 310 | Result.imgdepth:=16;
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| 311 | END;
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| 312 | 8: BEGIN
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| 313 | Result.datasize:=Result.imgx*Result.imgy*4;
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| 314 | Result.imgdepth:=32;
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| 315 | END;
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| 316 | 9: BEGIN
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| 317 | Result.datasize:=Result.imgx*Result.imgy DIV 2;
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| 318 | Result.imgdepth:=16;
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| 319 | END;
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| 320 | ELSE
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| 321 | Exit;
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| 322 | END;
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| 323 | SetLength(Result.imgdata,Result.datasize);
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| 324 |
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| 325 | LoadRawFilePart(Result.raw_addr,Result.datasize,@Result.imgdata[0]);
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| 326 | END;
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| 327 |
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| 328 | FUNCTION GetImageDataSize(imgx,imgy,imgdepth:Word; fading:Boolean):LongWord;
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| 329 | VAR
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| 330 | size:LongWord;
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| 331 | x,y:Word;
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| 332 | BEGIN
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| 333 | x:=imgx;
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| 334 | y:=imgy;
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|---|
| 335 | size:=x*y*imgdepth DIV 8;
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|---|
| 336 | IF fading THEN BEGIN
|
|---|
| 337 | REPEAT
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|---|
| 338 | x:=x DIV 2;
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| 339 | y:=y DIV 2;
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|---|
| 340 | size:=size+x*y*imgdepth DIV 8;
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| 341 | UNTIL (x=1) OR (y=1);
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| 342 | END;
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| 343 | Result:=size;
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| 344 | END;
|
|---|
| 345 |
|
|---|
| 346 | FUNCTION CreateFadedImage(image:TImgPackage):Tdata;
|
|---|
| 347 | VAR
|
|---|
| 348 | i:LongWord;
|
|---|
| 349 | x,y:Word;
|
|---|
| 350 | imgdata:Tdata;
|
|---|
| 351 | fadelvldata:Tdata;
|
|---|
| 352 | BEGIN
|
|---|
| 353 | x:=image.imgx;
|
|---|
| 354 | y:=image.imgy;
|
|---|
| 355 | SetLength(imgdata,x*y*2);
|
|---|
| 356 | SetLength(fadelvldata,x*y*2);
|
|---|
| 357 | FOR i:=0 TO Length(imgdata)-1 DO BEGIN
|
|---|
| 358 | imgdata[i]:=image.imgdata[i];
|
|---|
| 359 | fadelvldata[i]:=image.imgdata[i];
|
|---|
| 360 | END;
|
|---|
| 361 | REPEAT
|
|---|
| 362 | fadelvldata:=ResizeImage(x,y,16,fadelvldata);
|
|---|
| 363 | x:=x DIV 2;
|
|---|
| 364 | y:=y DIV 2;
|
|---|
| 365 | SetLength(imgdata,Length(imgdata)+x*y*2);
|
|---|
| 366 | FOR i:=0 TO Length(fadelvldata)-1 DO imgdata[Length(imgdata)-x*y*2+i]:=fadelvldata[i];
|
|---|
| 367 | UNTIL (x=1) OR (y=1);
|
|---|
| 368 | SetLength(Result, Length(imgdata));
|
|---|
| 369 | FOR i:=0 TO Length(imgdata)-1 DO Result[i]:=imgdata[i];
|
|---|
| 370 | END;
|
|---|
| 371 |
|
|---|
| 372 | END.
|
|---|
