| 1 |
unit Unit6_imgfuncs; |
| 2 |
interface |
| 3 |
uses Math, Dialogs, SysUtils, Classes, Unit3_data, Unit15_Classes; |
| 4 |
|
| 5 |
{ |
| 6 |
type |
| 7 |
TImgPackage=record |
| 8 |
imgx,imgy:Word; |
| 9 |
imgdepth:Byte; |
| 10 |
storetype:Byte; |
| 11 |
datasize:LongWord; |
| 12 |
raw_addr:LongWord; |
| 13 |
imgdata:Tdata; |
| 14 |
end; |
| 15 |
} |
| 16 |
type |
| 17 |
TImgDataType=Set of (DT_OniReverted,DT_Oni,DT_MipMapped,DT_Decoded32); |
| 18 |
|
| 19 |
type |
| 20 |
TOniImage = class |
| 21 |
private |
| 22 |
FLoaded:Boolean; |
| 23 |
FDataType:TImgDataType; |
| 24 |
FData:Tdata; |
| 25 |
FWidth,FHeight:Word; |
| 26 |
FDepth:Byte; |
| 27 |
FStoreType:Byte; |
| 28 |
|
| 29 |
function ResizeImage(oldx,oldy:LongWord; img:Tdata):Tdata; |
| 30 |
procedure RevertImage; |
| 31 |
procedure DecodeImage; |
| 32 |
procedure DecompressImage; |
| 33 |
protected |
| 34 |
public |
| 35 |
property Loaded:Boolean read FLoaded; |
| 36 |
property DataType:TImgDataType read FDataType; |
| 37 |
property Width:Word read FWidth; |
| 38 |
property Height:Word read FHeight; |
| 39 |
property Depth:Byte read FDepth; |
| 40 |
property StoreType:Byte read FStoreType; |
| 41 |
property Data:Tdata read FData; |
| 42 |
|
| 43 |
constructor Create; |
| 44 |
function LoadFromTXMP(fileid:LongWord):Boolean; |
| 45 |
function LoadFromTXMB(fileid:LongWord):Boolean; |
| 46 |
function GetImageDataSize(fading:Boolean):LongWord; |
| 47 |
|
| 48 |
function GetAsData:Tdata; |
| 49 |
function GetAs32bit:Tdata; |
| 50 |
function GetAsBMP:Tdata; |
| 51 |
function LoadFromBMP(filename:String):Boolean; |
| 52 |
function WriteToBMP(filename:String):Boolean; |
| 53 |
function GetMipMappedImage(var faded:Tdata):Boolean; |
| 54 |
published |
| 55 |
end; |
| 56 |
|
| 57 |
|
| 58 |
implementation |
| 59 |
uses Unit2_functions; |
| 60 |
|
| 61 |
|
| 62 |
|
| 63 |
constructor TOniImage.Create; |
| 64 |
begin |
| 65 |
Self.FLoaded:=False; |
| 66 |
Self.FDataType:=[]; |
| 67 |
SetLength(Self.FData,0); |
| 68 |
Self.FWidth:=0; |
| 69 |
Self.FHeight:=0; |
| 70 |
Self.FDepth:=0; |
| 71 |
Self.FStoreType:=0; |
| 72 |
end; |
| 73 |
|
| 74 |
|
| 75 |
|
| 76 |
function TOniImage.ResizeImage(oldx,oldy:LongWord; img:Tdata):Tdata; |
| 77 |
var |
| 78 |
i,j:LongWord; |
| 79 |
col,row,row_orig:LongWord; |
| 80 |
begin |
| 81 |
SetLength(Result,(oldx div 2)*(oldy div 2)*(Self.FDepth div 8)); |
| 82 |
row_orig:=0; |
| 83 |
row:=0; |
| 84 |
col:=0; |
| 85 |
for i:=0 to (oldx*oldy)-1 do begin |
| 86 |
if ((i mod oldx)=0) and (i>0) then begin |
| 87 |
Inc(row_orig); |
| 88 |
if (row_orig mod 2)=0 then begin |
| 89 |
Inc(row); |
| 90 |
col:=0; |
| 91 |
end; |
| 92 |
end; |
| 93 |
if (row_orig mod 2)=0 then begin |
| 94 |
if (i mod 2)=0 then begin |
| 95 |
for j:=0 to (Self.FDepth div 8)-1 do |
| 96 |
Result[((row*(oldx div 2))+col)*(Self.FDepth div 8)+j]:=img[(i*(Self.FDepth div 8))+j]; |
| 97 |
Inc(col); |
| 98 |
end; |
| 99 |
end; |
| 100 |
end; |
| 101 |
end; |
| 102 |
|
| 103 |
|
| 104 |
|
| 105 |
procedure TOniImage.RevertImage; |
| 106 |
var |
| 107 |
x,y,i:LongWord; |
| 108 |
tempd:Tdata; |
| 109 |
begin |
| 110 |
SetLength(tempd, Self.FWidth * Self.FHeight *(Self.FDepth div 8)); |
| 111 |
for y:=0 to Self.FHeight-1 do |
| 112 |
for x:=0 to Self.FWidth-1 do |
| 113 |
for i:=0 to (Self.FDepth div 8)-1 do |
| 114 |
tempd[((Self.FWidth*(Self.FHeight-1-y)+x)*(Self.FDepth div 8))+i]:= |
| 115 |
Self.FData[(Self.FWidth*y+x)*(Self.FDepth div 8)+i]; |
| 116 |
for x:=0 to High(tempd) do |
| 117 |
Self.FData[x]:=tempd[x]; |
| 118 |
if DT_OniReverted in Self.FDataType then |
| 119 |
Self.FDataType:=Self.FDataType-[DT_OniReverted] |
| 120 |
else |
| 121 |
Self.FDataType:=Self.FDataType+[DT_OniReverted]; |
| 122 |
if DT_MipMapped in Self.FDataType then |
| 123 |
Self.FDataType:=Self.FDataType-[DT_MipMapped]; |
| 124 |
end; |
| 125 |
|
| 126 |
|
| 127 |
|
| 128 |
procedure TOniImage.DecodeImage; |
| 129 |
var |
| 130 |
x,y:LongWord; |
| 131 |
tempd:Tdata; |
| 132 |
begin |
| 133 |
if not (DT_Decoded32 in Self.FDataType) then begin |
| 134 |
SetLength(tempd, Self.FWidth * Self.FHeight * 4); |
| 135 |
case Self.FStoreType of |
| 136 |
0: begin |
| 137 |
for y:=0 to Self.FHeight-1 do begin |
| 138 |
for x:=0 to Self.FWidth-1 do begin |
| 139 |
tempd[((Self.FWidth*y+x)*4)+0]:=Floor( ( (Self.FData[(Self.FWidth*y+x)*2]+Self.FData[(Self.FWidth*y+x)*2+1]*256) AND $000F ) / $000F * 255); |
| 140 |
tempd[((Self.FWidth*y+x)*4)+1]:=Floor( ( (Self.FData[(Self.FWidth*y+x)*2]+Self.FData[(Self.FWidth*y+x)*2+1]*256) AND $00F0 ) / $00F0 * 255); |
| 141 |
tempd[((Self.FWidth*y+x)*4)+2]:=Floor( ( (Self.FData[(Self.FWidth*y+x)*2]+Self.FData[(Self.FWidth*y+x)*2+1]*256) AND $0F00 ) / $0F00 * 255); |
| 142 |
tempd[((Self.FWidth*y+x)*4)+3]:=0; |
| 143 |
end; |
| 144 |
end; |
| 145 |
end; |
| 146 |
1,2: begin |
| 147 |
for y:=0 to Self.FHeight-1 do begin |
| 148 |
for x:=0 to Self.FWidth-1 do begin |
| 149 |
tempd[((Self.FWidth*y+x)*4)+0]:=Floor( ( (Self.FData[(Self.FWidth*y+x)*2]+Self.FData[(Self.FWidth*y+x)*2+1]*256) AND $001F ) / $001F * 255); |
| 150 |
tempd[((Self.FWidth*y+x)*4)+1]:=Floor( ( (Self.FData[(Self.FWidth*y+x)*2]+Self.FData[(Self.FWidth*y+x)*2+1]*256) AND $03E0 ) / $03E0 * 255); |
| 151 |
tempd[((Self.FWidth*y+x)*4)+2]:=Floor( ( (Self.FData[(Self.FWidth*y+x)*2]+Self.FData[(Self.FWidth*y+x)*2+1]*256) AND $7C00 ) / $7C00 * 255); |
| 152 |
tempd[((Self.FWidth*y+x)*4)+3]:=0; |
| 153 |
end; |
| 154 |
end; |
| 155 |
end; |
| 156 |
9: begin |
| 157 |
DecompressImage; |
| 158 |
end; |
| 159 |
end; |
| 160 |
Self.FDepth:=32; |
| 161 |
if (Self.FStoreType<>9) AND (Self.FStoreType<>8) then begin |
| 162 |
SetLength(Self.FData, Length(tempd)); |
| 163 |
for x:=0 to High(tempd) do |
| 164 |
Self.FData[x]:=tempd[x]; |
| 165 |
end; |
| 166 |
Self.FStoreType:=8; |
| 167 |
if DT_Oni in Self.FDataType then |
| 168 |
Self.FDataType:=Self.FDataType-[DT_Oni]; |
| 169 |
Self.FDataType:=Self.FDataType+[DT_Decoded32]; |
| 170 |
end; |
| 171 |
if DT_MipMapped in Self.FDataType then |
| 172 |
Self.FDataType:=Self.FDataType-[DT_MipMapped]; |
| 173 |
if DT_OniReverted in Self.FDataType then |
| 174 |
Self.RevertImage; |
| 175 |
end; |
| 176 |
|
| 177 |
|
| 178 |
|
| 179 |
procedure TOniImage.DecompressImage; |
| 180 |
type |
| 181 |
Tcolor=record |
| 182 |
RGBb:Byte; |
| 183 |
RGBg:Byte; |
| 184 |
RGBr:Byte; |
| 185 |
RGBa:Byte; |
| 186 |
end; |
| 187 |
var |
| 188 |
i,j,x,y:LongWord; |
| 189 |
color:Array[1..4] of Tcolor; |
| 190 |
pixel:Array[1..16] of Byte; |
| 191 |
tempd:Tdata; |
| 192 |
begin |
| 193 |
x:=0; |
| 194 |
y:=0; |
| 195 |
SetLength(tempd, Self.FWidth * Self.FHeight * 4); |
| 196 |
for i:=0 to ((Self.FWidth * Self.FHeight) div 16)-1 do begin |
| 197 |
Color[1].RGBb:=Floor(((Self.FData[(i*8)+0]+Self.FData[(i*8)+1]*256) and $001F) / $001F * 255); |
| 198 |
Color[1].RGBg:=Floor(((Self.FData[(i*8)+0]+Self.FData[(i*8)+1]*256) and $07E0) / $07E0 * 255); |
| 199 |
Color[1].RGBr:=Floor(((Self.FData[(i*8)+0]+Self.FData[(i*8)+1]*256) and $F800) / $F800 * 255); |
| 200 |
Color[1].RGBa:=255; |
| 201 |
Color[2].RGBb:=Floor(((Self.FData[(i*8)+2]+Self.FData[(i*8)+3]*256) and $001F) / $001F * 255); |
| 202 |
Color[2].RGBg:=Floor(((Self.FData[(i*8)+2]+Self.FData[(i*8)+3]*256) and $07E0) / $07E0 * 255); |
| 203 |
Color[2].RGBr:=Floor(((Self.FData[(i*8)+2]+Self.FData[(i*8)+3]*256) and $F800) / $F800 * 255); |
| 204 |
Color[2].RGBa:=255; |
| 205 |
Color[3].RGBb:=Floor( Color[1].RGBb/3*2 + Color[2].RGBb/3 ); |
| 206 |
Color[3].RGBg:=Floor( Color[1].RGBg/3*2 + Color[2].RGBg/3 ); |
| 207 |
Color[3].RGBr:=Floor( Color[1].RGBr/3*2 + Color[2].RGBr/3 ); |
| 208 |
Color[3].RGBa:=255; |
| 209 |
Color[4].RGBb:=Floor( Color[1].RGBb/3 + Color[2].RGBb/3*2 ); |
| 210 |
Color[4].RGBg:=Floor( Color[1].RGBg/3 + Color[2].RGBg/3*2 ); |
| 211 |
Color[4].RGBr:=Floor( Color[1].RGBr/3 + Color[2].RGBr/3*2 ); |
| 212 |
Color[4].RGBa:=255; |
| 213 |
Pixel[1]:=Floor( (Self.FData[(i*8)+4] and $C0) / $40 + 1 ); |
| 214 |
Pixel[2]:=Floor( (Self.FData[(i*8)+4] and $30) / $10 + 1 ); |
| 215 |
Pixel[3]:=Floor( (Self.FData[(i*8)+4] and $0C) / $04 + 1 ); |
| 216 |
Pixel[4]:=Floor( (Self.FData[(i*8)+4] and $03) + 1 ); |
| 217 |
Pixel[5]:=Floor( (Self.FData[(i*8)+5] and $C0) / $40 + 1 ); |
| 218 |
Pixel[6]:=Floor( (Self.FData[(i*8)+5] and $30) / $10 + 1 ); |
| 219 |
Pixel[7]:=Floor( (Self.FData[(i*8)+5] and $0C) / $04 + 1 ); |
| 220 |
Pixel[8]:=Floor( (Self.FData[(i*8)+5] and $03) + 1 ); |
| 221 |
Pixel[9]:=Floor( (Self.FData[(i*8)+6] and $C0) / $40 + 1 ); |
| 222 |
Pixel[10]:=Floor( (Self.FData[(i*8)+6] and $30) / $10 + 1 ); |
| 223 |
Pixel[11]:=Floor( (Self.FData[(i*8)+6] and $0C) / $04 + 1 ); |
| 224 |
Pixel[12]:=Floor( (Self.FData[(i*8)+6] and $03) + 1 ); |
| 225 |
Pixel[13]:=Floor( (Self.FData[(i*8)+7] and $C0) / $40 + 1 ); |
| 226 |
Pixel[14]:=Floor( (Self.FData[(i*8)+7] and $30) / $10 + 1 ); |
| 227 |
Pixel[15]:=Floor( (Self.FData[(i*8)+7] and $0C) / $04 + 1 ); |
| 228 |
Pixel[16]:=Floor( (Self.FData[(i*8)+7] and $03) + 1 ); |
| 229 |
for j:=0 to 3 do begin |
| 230 |
tempd[((y+3)*Self.FWidth+x+j)*4+0]:=Color[Pixel[16-j]].RGBb; |
| 231 |
tempd[((y+3)*Self.FWidth+x+j)*4+1]:=Color[Pixel[16-j]].RGBg; |
| 232 |
tempd[((y+3)*Self.FWidth+x+j)*4+2]:=Color[Pixel[16-j]].RGBr; |
| 233 |
tempd[((y+3)*Self.FWidth+x+j)*4+3]:=0; |
| 234 |
end; |
| 235 |
for j:=0 to 3 do begin |
| 236 |
tempd[((y+2)*Self.FWidth+x+j)*4+0]:=Color[Pixel[12-j]].RGBb; |
| 237 |
tempd[((y+2)*Self.FWidth+x+j)*4+1]:=Color[Pixel[12-j]].RGBg; |
| 238 |
tempd[((y+2)*Self.FWidth+x+j)*4+2]:=Color[Pixel[12-j]].RGBr; |
| 239 |
tempd[((y+2)*Self.FWidth+x+j)*4+3]:=0; |
| 240 |
end; |
| 241 |
for j:=0 to 3 do begin |
| 242 |
tempd[((y+1)*Self.FWidth+x+j)*4+0]:=Color[Pixel[8-j]].RGBb; |
| 243 |
tempd[((y+1)*Self.FWidth+x+j)*4+1]:=Color[Pixel[8-j]].RGBg; |
| 244 |
tempd[((y+1)*Self.FWidth+x+j)*4+2]:=Color[Pixel[8-j]].RGBr; |
| 245 |
tempd[((y+1)*Self.FWidth+x+j)*4+3]:=0; |
| 246 |
end; |
| 247 |
for j:=0 to 3 do begin |
| 248 |
tempd[((y+0)*Self.FWidth+x+j)*4+0]:=Color[Pixel[4-j]].RGBb; |
| 249 |
tempd[((y+0)*Self.FWidth+x+j)*4+1]:=Color[Pixel[4-j]].RGBg; |
| 250 |
tempd[((y+0)*Self.FWidth+x+j)*4+2]:=Color[Pixel[4-j]].RGBr; |
| 251 |
tempd[((y+0)*Self.FWidth+x+j)*4+3]:=0; |
| 252 |
end; |
| 253 |
x:=x+4; |
| 254 |
if x=Self.FWidth THEN begin |
| 255 |
y:=y+4; |
| 256 |
x:=0; |
| 257 |
end; |
| 258 |
end; |
| 259 |
SetLength(Self.FData, Length(tempd)); |
| 260 |
for i:=0 to High(tempd) do |
| 261 |
Self.FData[i]:=tempd[i]; |
| 262 |
if DT_MipMapped in Self.FDataType then |
| 263 |
Self.FDataType:=Self.FDataType-[DT_MipMapped]; |
| 264 |
end; |
| 265 |
|
| 266 |
|
| 267 |
|
| 268 |
|
| 269 |
|
| 270 |
function TOniImage.LoadFromTXMP(fileid:LongWord):Boolean; |
| 271 |
var |
| 272 |
img_addr:LongWord; |
| 273 |
begin |
| 274 |
Result:=True; |
| 275 |
OniDataConnection.LoadDatFilePart(fileid,$8C,SizeOf(Self.FWidth),@Self.FWidth); |
| 276 |
OniDataConnection.LoadDatFilePart(fileid,$8E,SizeOf(Self.FHeight),@Self.FHeight); |
| 277 |
OniDataConnection.LoadDatFilePart(fileid,$90,SizeOf(Self.FStoreType),@Self.FStoreType); |
| 278 |
if not OniDataConnection.OSisMac then |
| 279 |
OniDataConnection.LoadDatFilePart(fileid,$9C,SizeOf(img_addr),@img_addr) |
| 280 |
else |
| 281 |
OniDataConnection.LoadDatFilePart(fileid,$A0,SizeOf(img_addr),@img_addr); |
| 282 |
|
| 283 |
case Self.FStoreType of |
| 284 |
0,1,2: begin |
| 285 |
SetLength(Self.FData, Self.FWidth * Self.FHeight * 2); |
| 286 |
Self.FDepth:=16; |
| 287 |
end; |
| 288 |
8: begin |
| 289 |
SetLength(Self.FData, Self.FWidth * Self.FHeight * 4); |
| 290 |
Self.FDepth:=32; |
| 291 |
end; |
| 292 |
9: begin |
| 293 |
SetLength(Self.FData, Self.FWidth * Self.FHeight div 2); |
| 294 |
Self.FDepth:=16; |
| 295 |
end; |
| 296 |
else |
| 297 |
Result:=False; |
| 298 |
Exit; |
| 299 |
end; |
| 300 |
|
| 301 |
if not OniDataConnection.OSisMac then |
| 302 |
OniDataConnection.LoadRawFile(fileid,$9C,@Self.FData[0]) |
| 303 |
else |
| 304 |
OniDataConnection.LoadRawFile(fileid,$A0,@Self.FData[0]); |
| 305 |
|
| 306 |
Self.FDataType:=[DT_OniReverted,DT_Oni]; |
| 307 |
end; |
| 308 |
|
| 309 |
|
| 310 |
|
| 311 |
function TOniImage.LoadFromTXMB(fileid:LongWord):Boolean; |
| 312 |
type |
| 313 |
TImg=record |
| 314 |
imgx,imgy:Word; |
| 315 |
imgdepth:Byte; |
| 316 |
storetype:Byte; |
| 317 |
datasize:LongWord; |
| 318 |
raw_addr:LongWord; |
| 319 |
imgdata:Tdata; |
| 320 |
end; |
| 321 |
var |
| 322 |
i,x,y,x2,y2,pixelid,imgid:LongWord; |
| 323 |
rows,cols:Word; |
| 324 |
linkcount:LongWord; |
| 325 |
link:LongWord; |
| 326 |
images_decoded:Array of TOniImage; |
| 327 |
x_start,y_start:LongWord; |
| 328 |
begin |
| 329 |
OniDataConnection.LoadDatFilePart(fileid,$10,SizeOf(Self.FWidth),@Self.FWidth); |
| 330 |
OniDataConnection.LoadDatFilePart(fileid,$12,SizeOf(Self.FHeight),@Self.FHeight); |
| 331 |
OniDataConnection.LoadDatFilePart(fileid,$18,SizeOf(cols),@cols); |
| 332 |
OniDataConnection.LoadDatFilePart(fileid,$1A,SizeOf(rows),@rows); |
| 333 |
OniDataConnection.LoadDatFilePart(fileid,$1C,SizeOf(linkcount),@linkcount); |
| 334 |
SetLength(images_decoded,linkcount); |
| 335 |
for i:=0 to linkcount-1 do begin |
| 336 |
OniDataConnection.LoadDatFilePart(fileid,$20+i*4,SizeOf(link),@link); |
| 337 |
link:=link div 256; |
| 338 |
images_decoded[i]:=TOniImage.Create; |
| 339 |
images_decoded[i].LoadFromTXMP(link); |
| 340 |
images_decoded[i].DecodeImage; |
| 341 |
images_decoded[i].RevertImage; |
| 342 |
end; |
| 343 |
SetLength(Self.FData, Self.FWidth * Self.FHeight * 4); |
| 344 |
for y:=0 to rows-1 do begin |
| 345 |
for x:=0 to cols-1 do begin |
| 346 |
imgid:=y*cols+x; |
| 347 |
x_start:=0; |
| 348 |
y_start:=0; |
| 349 |
for i:=0 to x do if i<x then x_start:=x_start+images_decoded[i].Width; |
| 350 |
for i:=0 to y do if i<y then y_start:=y_start+images_decoded[i].Height; |
| 351 |
for y2:=0 to images_decoded[imgid].Height-1 do begin |
| 352 |
for x2:=0 to images_decoded[imgid].Width-1 do begin |
| 353 |
if ( (x_start+x2)<Self.FWidth ) and ( (y_start+y2)<Self.FHeight ) then begin |
| 354 |
pixelid:=y_start*Self.FWidth+x_start+y2*Self.FWidth+x2; |
| 355 |
Self.FData[pixelid*4+0]:=images_decoded[imgid].Data[(y2*images_decoded[imgid].Width+x2)*4+0]; |
| 356 |
Self.FData[pixelid*4+1]:=images_decoded[imgid].Data[(y2*images_decoded[imgid].Width+x2)*4+1]; |
| 357 |
Self.FData[pixelid*4+2]:=images_decoded[imgid].Data[(y2*images_decoded[imgid].Width+x2)*4+2]; |
| 358 |
Self.FData[pixelid*4+3]:=images_decoded[imgid].Data[(y2*images_decoded[imgid].Width+x2)*4+3]; |
| 359 |
end; |
| 360 |
end; |
| 361 |
end; |
| 362 |
end; |
| 363 |
end; |
| 364 |
for i:=0 to linkcount-1 do |
| 365 |
images_decoded[i].Free; |
| 366 |
Self.FDepth:=32; |
| 367 |
Self.FStoreType:=1; |
| 368 |
Self.FDataType:=[DT_Decoded32]; |
| 369 |
Self.RevertImage; |
| 370 |
end; |
| 371 |
|
| 372 |
|
| 373 |
|
| 374 |
function TOniImage.GetImageDataSize(fading:Boolean):LongWord; |
| 375 |
var |
| 376 |
size:LongWord; |
| 377 |
x,y:Word; |
| 378 |
bpp:Byte; |
| 379 |
begin |
| 380 |
case Self.FStoreType of |
| 381 |
9: bpp:=8; |
| 382 |
0,1,2: bpp:=16; |
| 383 |
8: bpp:=32; |
| 384 |
else |
| 385 |
Result:=0; |
| 386 |
Exit; |
| 387 |
end; |
| 388 |
|
| 389 |
x:=Self.FWidth; |
| 390 |
y:=Self.FHeight; |
| 391 |
size:=x*y*bpp div 8; |
| 392 |
if fading then begin |
| 393 |
repeat |
| 394 |
x:=x div 2; |
| 395 |
y:=y div 2; |
| 396 |
size:=size+x*y*bpp div 8; |
| 397 |
until (x=1) or (y=1); |
| 398 |
end; |
| 399 |
Result:=size; |
| 400 |
end; |
| 401 |
|
| 402 |
|
| 403 |
|
| 404 |
function TOniImage.GetAsData:Tdata; |
| 405 |
var |
| 406 |
i: Integer; |
| 407 |
revert:Boolean; |
| 408 |
begin |
| 409 |
// if not (DT_Decoded32 in Self.FDataType) then |
| 410 |
// Self.DecodeImage; |
| 411 |
if not (DT_OniReverted in Self.FDataType) then begin |
| 412 |
revert:=True; |
| 413 |
Self.RevertImage; |
| 414 |
end else revert:=False; |
| 415 |
SetLength(Result, Length(Self.FData)); |
| 416 |
for i:=0 to High(Result) do |
| 417 |
Result[i]:=Self.FData[i]; |
| 418 |
if revert then |
| 419 |
Self.RevertImage; |
| 420 |
end; |
| 421 |
|
| 422 |
|
| 423 |
|
| 424 |
function TOniImage.GetAs32bit:Tdata; |
| 425 |
var |
| 426 |
i:Integer; |
| 427 |
begin |
| 428 |
if not (DT_Decoded32 in Self.FDataType) then |
| 429 |
Self.DecodeImage; |
| 430 |
SetLength(Result,Length(Self.FData)); |
| 431 |
for i:=0 to High(Result) do |
| 432 |
Result[i]:=Self.FData[i]; |
| 433 |
end; |
| 434 |
|
| 435 |
|
| 436 |
|
| 437 |
function TOniImage.GetAsBMP:Tdata; |
| 438 |
const BMPheader:Array[0..53] of Byte= |
| 439 |
($42,$4D,0,0,0,0,0,0,0,0,54,0,0,0, |
| 440 |
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); |
| 441 |
var |
| 442 |
i,x,y:LongWord; |
| 443 |
begin |
| 444 |
if not (DT_Decoded32 in Self.FDataType) then |
| 445 |
Self.DecodeImage; |
| 446 |
|
| 447 |
SetLength(Result, Self.FWidth * Self.FHeight * 3); |
| 448 |
for y:=0 to Self.FHeight-1 do begin |
| 449 |
for x:=0 to Self.FWidth-1 do begin |
| 450 |
Result[((Self.FWidth*y+x)*3)+0]:=Self.FData[(Self.FWidth*y+x)*4+0]; |
| 451 |
Result[((Self.FWidth*y+x)*3)+1]:=Self.FData[(Self.FWidth*y+x)*4+1]; |
| 452 |
Result[((Self.FWidth*y+x)*3)+2]:=Self.FData[(Self.FWidth*y+x)*4+2]; |
| 453 |
end; |
| 454 |
end; |
| 455 |
|
| 456 |
SetLength(Result, Self.FWidth * Self.FHeight * 3 + 54); |
| 457 |
for i:=High(Result)-54 downto 0 do |
| 458 |
Result[i+54]:=Result[i]; |
| 459 |
|
| 460 |
for i:=0 to High(BMPheader) do |
| 461 |
Result[i]:=BMPheader[i]; |
| 462 |
Result[2]:=((Self.FWidth*Self.FHeight*3+54) and $000000FF) div $1; |
| 463 |
Result[3]:=((Self.FWidth*Self.FHeight*3+54) and $0000FF00) div $100; |
| 464 |
Result[4]:=((Self.FWidth*Self.FHeight*3+54) and $00FF0000) div $10000; |
| 465 |
Result[5]:=((Self.FWidth*Self.FHeight*3+54) and $FF000000) div $1000000; |
| 466 |
Result[18]:=(Self.FWidth and $000000FF) div $1; |
| 467 |
Result[19]:=(Self.FWidth and $0000FF00) div $100; |
| 468 |
Result[20]:=(Self.FWidth and $00FF0000) div $10000; |
| 469 |
Result[21]:=(Self.FWidth and $FF000000) div $1000000; |
| 470 |
Result[22]:=(Self.FHeight and $000000FF) div $1; |
| 471 |
Result[23]:=(Self.FHeight and $0000FF00) div $100; |
| 472 |
Result[24]:=(Self.FHeight and $00FF0000) div $10000; |
| 473 |
Result[25]:=(Self.FHeight and $FF000000) div $1000000; |
| 474 |
Result[34]:=((Self.FWidth*Self.FHeight*3) and $000000FF) div $1; |
| 475 |
Result[35]:=((Self.FWidth*Self.FHeight*3) and $0000FF00) div $100; |
| 476 |
Result[36]:=((Self.FWidth*Self.FHeight*3) and $00FF0000) div $10000; |
| 477 |
Result[37]:=((Self.FWidth*Self.FHeight*3) and $FF000000) div $1000000; |
| 478 |
end; |
| 479 |
|
| 480 |
|
| 481 |
|
| 482 |
function TOniImage.LoadFromBMP(filename:String):Boolean; |
| 483 |
var |
| 484 |
filestream:TFileStream; |
| 485 |
tempd:Tdata; |
| 486 |
|
| 487 |
x,y:LongWord; |
| 488 |
begin |
| 489 |
filestream:=TFileStream.Create(filename, fmOpenRead); |
| 490 |
SetLength(tempd,filestream.Size); |
| 491 |
filestream.Read(tempd[0],filestream.Size); |
| 492 |
filestream.Free; |
| 493 |
|
| 494 |
if not((tempd[00]=$42) and (tempd[01]=$4D)) then begin |
| 495 |
Result:=False; |
| 496 |
ShowMessage('Not a standard 24bit bitmap'); |
| 497 |
Exit; |
| 498 |
end; |
| 499 |
if not(tempd[10]=54) then begin |
| 500 |
Result:=False; |
| 501 |
ShowMessage('Imagedata has to start at 0x54'); |
| 502 |
Exit; |
| 503 |
end; |
| 504 |
if not(tempd[14]=40) then begin |
| 505 |
Result:=False; |
| 506 |
ShowMessage('Second bitmap header has to have 40 bytes'); |
| 507 |
Exit; |
| 508 |
end; |
| 509 |
if not(tempd[28]=24) then begin |
| 510 |
Result:=False; |
| 511 |
ShowMessage('Bitmap has to have 24bits'); |
| 512 |
Exit; |
| 513 |
end; |
| 514 |
if not(tempd[30]=0) then begin |
| 515 |
Result:=False; |
| 516 |
ShowMessage('Bitmap has to be uncompressed'); |
| 517 |
Exit; |
| 518 |
end; |
| 519 |
|
| 520 |
Self.FWidth :=tempd[18]+tempd[19]*256+tempd[20]*256*256+tempd[21]*256*256*256; |
| 521 |
Self.FHeight:=tempd[22]+tempd[23]*256+tempd[24]*256*256+tempd[25]*256*256*256; |
| 522 |
Self.FDepth:=32; |
| 523 |
Self.FStoreType:=8; |
| 524 |
|
| 525 |
SetLength(Self.FData, Self.FWidth * Self.FHeight * Self.FDepth div 8); |
| 526 |
for y:=0 to Self.FHeight-1 do begin |
| 527 |
for x:=0 to Self.FWidth-1 do begin |
| 528 |
Self.FData[((Self.FWidth*y+x)*4)+0]:=tempd[54+(Self.FWidth*y+x)*3+0]; |
| 529 |
Self.FData[((Self.FWidth*y+x)*4)+1]:=tempd[54+(Self.FWidth*y+x)*3+1]; |
| 530 |
Self.FData[((Self.FWidth*y+x)*4)+2]:=tempd[54+(Self.FWidth*y+x)*3+2]; |
| 531 |
Self.FData[((Self.FWidth*y+x)*4)+3]:=0; |
| 532 |
end; |
| 533 |
end; |
| 534 |
|
| 535 |
Self.FDataType:=[DT_Decoded32]; |
| 536 |
end; |
| 537 |
|
| 538 |
|
| 539 |
|
| 540 |
function TOniImage.WriteToBMP(filename:String):Boolean; |
| 541 |
var |
| 542 |
filestream:TFileStream; |
| 543 |
tempd:Tdata; |
| 544 |
begin |
| 545 |
tempd:=Self.GetAsBMP; |
| 546 |
filestream:=TFileStream.Create(filename,fmCreate); |
| 547 |
filestream.Write(tempd[0],Length(tempd)); |
| 548 |
filestream.Free; |
| 549 |
end; |
| 550 |
|
| 551 |
|
| 552 |
|
| 553 |
function TOniImage.GetMipMappedImage(var faded:Tdata):Boolean; |
| 554 |
var |
| 555 |
i:LongWord; |
| 556 |
x,y:Word; |
| 557 |
fadelvldata:Tdata; |
| 558 |
revert:Boolean; |
| 559 |
begin |
| 560 |
Result:=False; |
| 561 |
|
| 562 |
// if not (DT_Decoded32 in Self.FDataType) then |
| 563 |
// Self.DecodeImage; |
| 564 |
if not (DT_OniReverted in Self.FDataType) then begin |
| 565 |
revert:=True; |
| 566 |
Self.RevertImage; |
| 567 |
end else revert:=False; |
| 568 |
|
| 569 |
x:=Self.FWidth; |
| 570 |
y:=Self.FHeight; |
| 571 |
SetLength(faded,x*y*Self.FDepth div 8); |
| 572 |
SetLength(fadelvldata,x*y*Self.FDepth div 8); |
| 573 |
for i:=0 to Length(faded)-1 do begin |
| 574 |
faded[i]:=Self.FData[i]; |
| 575 |
fadelvldata[i]:=Self.FData[i]; |
| 576 |
end; |
| 577 |
repeat |
| 578 |
fadelvldata:=Self.ResizeImage(x,y,fadelvldata); |
| 579 |
x:=x div 2; |
| 580 |
y:=y div 2; |
| 581 |
SetLength(faded,Length(faded)+x*y*Self.FDepth div 8); |
| 582 |
for i:=0 to Length(fadelvldata)-1 do |
| 583 |
faded[Length(faded)-x*y*Self.FDepth div 8+i]:=fadelvldata[i]; |
| 584 |
until (x=1) or (y=1) or ((x mod 2)=1) or ((y mod 2)=1); |
| 585 |
if (x>1) and (y>1) then Exit; |
| 586 |
Result:=True; |
| 587 |
|
| 588 |
if revert then |
| 589 |
Self.RevertImage; |
| 590 |
end; |
| 591 |
|
| 592 |
|
| 593 |
end. |
