cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1 | /* |
| 2 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 3 | % % |
| 4 | % % |
| 5 | % M M AAA TTTTT L AAA BBBB % |
| 6 | % MM MM A A T L A A B B % |
| 7 | % M M M AAAAA T L AAAAA BBBB % |
| 8 | % M M A A T L A A B B % |
| 9 | % M M A A T LLLLL A A BBBB % |
| 10 | % % |
| 11 | % % |
| 12 | % Read MATLAB Image Format % |
| 13 | % % |
| 14 | % Software Design % |
| 15 | % Jaroslav Fojtik % |
| 16 | % 2001-2008 % |
| 17 | % % |
| 18 | % % |
| 19 | % Permission is hereby granted, free of charge, to any person obtaining a % |
| 20 | % copy of this software and associated documentation files ("ImageMagick"), % |
| 21 | % to deal in ImageMagick without restriction, including without limitation % |
| 22 | % the rights to use, copy, modify, merge, publish, distribute, sublicense, % |
| 23 | % and/or sell copies of ImageMagick, and to permit persons to whom the % |
| 24 | % ImageMagick is furnished to do so, subject to the following conditions: % |
| 25 | % % |
| 26 | % The above copyright notice and this permission notice shall be included in % |
| 27 | % all copies or substantial portions of ImageMagick. % |
| 28 | % % |
| 29 | % The software is provided "as is", without warranty of any kind, express or % |
| 30 | % implied, including but not limited to the warranties of merchantability, % |
| 31 | % fitness for a particular purpose and noninfringement. In no event shall % |
| 32 | % ImageMagick Studio be liable for any claim, damages or other liability, % |
| 33 | % whether in an action of contract, tort or otherwise, arising from, out of % |
| 34 | % or in connection with ImageMagick or the use or other dealings in % |
| 35 | % ImageMagick. % |
| 36 | % % |
| 37 | % Except as contained in this notice, the name of the ImageMagick Studio % |
| 38 | % shall not be used in advertising or otherwise to promote the sale, use or % |
| 39 | % other dealings in ImageMagick without prior written authorization from the % |
| 40 | % ImageMagick Studio. % |
| 41 | % % |
| 42 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 43 | % |
| 44 | % |
| 45 | */ |
| 46 | |
| 47 | /* |
| 48 | Include declarations. |
| 49 | */ |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 50 | #include "MagickCore/studio.h" |
| 51 | #include "MagickCore/attribute.h" |
| 52 | #include "MagickCore/blob.h" |
| 53 | #include "MagickCore/blob-private.h" |
| 54 | #include "MagickCore/cache.h" |
| 55 | #include "MagickCore/color-private.h" |
| 56 | #include "MagickCore/colormap.h" |
cristy | 510d06a | 2011-07-06 23:43:54 +0000 | [diff] [blame] | 57 | #include "MagickCore/colorspace-private.h" |
cristy | c53413d | 2011-11-17 13:04:26 +0000 | [diff] [blame] | 58 | #include "MagickCore/distort.h" |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 59 | #include "MagickCore/exception.h" |
| 60 | #include "MagickCore/exception-private.h" |
| 61 | #include "MagickCore/image.h" |
| 62 | #include "MagickCore/image-private.h" |
| 63 | #include "MagickCore/list.h" |
| 64 | #include "MagickCore/magick.h" |
| 65 | #include "MagickCore/memory_.h" |
| 66 | #include "MagickCore/monitor.h" |
| 67 | #include "MagickCore/monitor-private.h" |
| 68 | #include "MagickCore/pixel-accessor.h" |
| 69 | #include "MagickCore/quantum-private.h" |
| 70 | #include "MagickCore/option.h" |
| 71 | #include "MagickCore/pixel.h" |
| 72 | #include "MagickCore/resource_.h" |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 73 | #include "MagickCore/static.h" |
| 74 | #include "MagickCore/string_.h" |
| 75 | #include "MagickCore/module.h" |
| 76 | #include "MagickCore/transform.h" |
cristy | 18c6c27 | 2011-09-23 14:40:37 +0000 | [diff] [blame] | 77 | #include "MagickCore/utility-private.h" |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 78 | #if defined(MAGICKCORE_ZLIB_DELEGATE) |
| 79 | #include "zlib.h" |
| 80 | #endif |
| 81 | |
| 82 | /* |
| 83 | Forward declaration. |
| 84 | */ |
| 85 | static MagickBooleanType |
cristy | 1e178e7 | 2011-08-28 19:44:34 +0000 | [diff] [blame] | 86 | WriteMATImage(const ImageInfo *,Image *,ExceptionInfo *); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 87 | |
| 88 | |
| 89 | /* Auto coloring method, sorry this creates some artefact inside data |
| 90 | MinReal+j*MaxComplex = red MaxReal+j*MaxComplex = black |
| 91 | MinReal+j*0 = white MaxReal+j*0 = black |
| 92 | MinReal+j*MinComplex = blue MaxReal+j*MinComplex = black |
| 93 | */ |
| 94 | |
| 95 | typedef struct |
| 96 | { |
| 97 | char identific[124]; |
| 98 | unsigned short Version; |
| 99 | char EndianIndicator[2]; |
cristy | f6fe0a1 | 2010-05-30 00:44:47 +0000 | [diff] [blame] | 100 | unsigned long DataType; |
| 101 | unsigned long ObjectSize; |
| 102 | unsigned long unknown1; |
| 103 | unsigned long unknown2; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 104 | |
| 105 | unsigned short unknown5; |
| 106 | unsigned char StructureFlag; |
| 107 | unsigned char StructureClass; |
cristy | f6fe0a1 | 2010-05-30 00:44:47 +0000 | [diff] [blame] | 108 | unsigned long unknown3; |
| 109 | unsigned long unknown4; |
| 110 | unsigned long DimFlag; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 111 | |
cristy | f6fe0a1 | 2010-05-30 00:44:47 +0000 | [diff] [blame] | 112 | unsigned long SizeX; |
| 113 | unsigned long SizeY; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 114 | unsigned short Flag1; |
| 115 | unsigned short NameFlag; |
| 116 | } |
| 117 | MATHeader; |
| 118 | |
Cristy | 66d1345 | 2015-09-20 09:56:47 -0400 | [diff] [blame] | 119 | static const char *MonthsTab[12]={"Jan","Feb","Mar","Apr","May","Jun","Jul","Aug","Sep","Oct","Nov","Dec"}; |
| 120 | static const char *DayOfWTab[7]={"Sun","Mon","Tue","Wed","Thu","Fri","Sat"}; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 121 | static const char *OsDesc= |
| 122 | #ifdef __WIN32__ |
| 123 | "PCWIN"; |
| 124 | #else |
| 125 | #ifdef __APPLE__ |
| 126 | "MAC"; |
| 127 | #else |
| 128 | "LNX86"; |
| 129 | #endif |
| 130 | #endif |
| 131 | |
| 132 | typedef enum |
| 133 | { |
cristy | c5de699 | 2009-10-06 19:19:48 +0000 | [diff] [blame] | 134 | miINT8 = 1, /* 8 bit signed */ |
| 135 | miUINT8, /* 8 bit unsigned */ |
| 136 | miINT16, /* 16 bit signed */ |
| 137 | miUINT16, /* 16 bit unsigned */ |
| 138 | miINT32, /* 32 bit signed */ |
| 139 | miUINT32, /* 32 bit unsigned */ |
| 140 | miSINGLE, /* IEEE 754 single precision float */ |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 141 | miRESERVE1, |
cristy | c5de699 | 2009-10-06 19:19:48 +0000 | [diff] [blame] | 142 | miDOUBLE, /* IEEE 754 double precision float */ |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 143 | miRESERVE2, |
| 144 | miRESERVE3, |
cristy | c5de699 | 2009-10-06 19:19:48 +0000 | [diff] [blame] | 145 | miINT64, /* 64 bit signed */ |
| 146 | miUINT64, /* 64 bit unsigned */ |
| 147 | miMATRIX, /* MATLAB array */ |
| 148 | miCOMPRESSED, /* Compressed Data */ |
| 149 | miUTF8, /* Unicode UTF-8 Encoded Character Data */ |
| 150 | miUTF16, /* Unicode UTF-16 Encoded Character Data */ |
| 151 | miUTF32 /* Unicode UTF-32 Encoded Character Data */ |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 152 | } mat5_data_type; |
| 153 | |
| 154 | typedef enum |
| 155 | { |
cristy | c5de699 | 2009-10-06 19:19:48 +0000 | [diff] [blame] | 156 | mxCELL_CLASS=1, /* cell array */ |
| 157 | mxSTRUCT_CLASS, /* structure */ |
| 158 | mxOBJECT_CLASS, /* object */ |
| 159 | mxCHAR_CLASS, /* character array */ |
| 160 | mxSPARSE_CLASS, /* sparse array */ |
| 161 | mxDOUBLE_CLASS, /* double precision array */ |
| 162 | mxSINGLE_CLASS, /* single precision floating point */ |
| 163 | mxINT8_CLASS, /* 8 bit signed integer */ |
| 164 | mxUINT8_CLASS, /* 8 bit unsigned integer */ |
| 165 | mxINT16_CLASS, /* 16 bit signed integer */ |
| 166 | mxUINT16_CLASS, /* 16 bit unsigned integer */ |
| 167 | mxINT32_CLASS, /* 32 bit signed integer */ |
| 168 | mxUINT32_CLASS, /* 32 bit unsigned integer */ |
| 169 | mxINT64_CLASS, /* 64 bit signed integer */ |
| 170 | mxUINT64_CLASS, /* 64 bit unsigned integer */ |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 171 | mxFUNCTION_CLASS /* Function handle */ |
| 172 | } arrayclasstype; |
| 173 | |
| 174 | #define FLAG_COMPLEX 0x8 |
| 175 | #define FLAG_GLOBAL 0x4 |
| 176 | #define FLAG_LOGICAL 0x2 |
| 177 | |
| 178 | static const QuantumType z2qtype[4] = {GrayQuantum, BlueQuantum, GreenQuantum, RedQuantum}; |
| 179 | |
| 180 | |
cristy | c82a27b | 2011-10-21 01:07:16 +0000 | [diff] [blame] | 181 | static void InsertComplexDoubleRow(Image *image,double *p,int y,double MinVal, |
| 182 | double MaxVal,ExceptionInfo *exception) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 183 | { |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 184 | |
| 185 | double f; |
| 186 | int x; |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 187 | register Quantum *q; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 188 | |
| 189 | if (MinVal == 0) |
| 190 | MinVal = -1; |
| 191 | if (MaxVal == 0) |
| 192 | MaxVal = 1; |
| 193 | |
cristy | 524222d | 2011-04-25 00:37:06 +0000 | [diff] [blame] | 194 | q=QueueAuthenticPixels(image,0,y,image->columns,1,exception); |
cristy | acd2ed2 | 2011-08-30 01:44:23 +0000 | [diff] [blame] | 195 | if (q == (Quantum *) NULL) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 196 | return; |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 197 | for (x = 0; x < (ssize_t) image->columns; x++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 198 | { |
| 199 | if (*p > 0) |
| 200 | { |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 201 | f = (*p / MaxVal) * (QuantumRange-GetPixelRed(image,q)); |
| 202 | if (f + GetPixelRed(image,q) > QuantumRange) |
| 203 | SetPixelRed(image,QuantumRange,q); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 204 | else |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 205 | SetPixelRed(image,GetPixelRed(image,q)+(int) f,q); |
| 206 | if ((int) f / 2.0 > GetPixelGreen(image,q)) |
cristy | 524222d | 2011-04-25 00:37:06 +0000 | [diff] [blame] | 207 | { |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 208 | SetPixelGreen(image,0,q); |
| 209 | SetPixelBlue(image,0,q); |
cristy | 524222d | 2011-04-25 00:37:06 +0000 | [diff] [blame] | 210 | } |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 211 | else |
cristy | 524222d | 2011-04-25 00:37:06 +0000 | [diff] [blame] | 212 | { |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 213 | SetPixelBlue(image,GetPixelBlue(image,q)-(int) (f/2.0),q); |
| 214 | SetPixelGreen(image,GetPixelBlue(image,q),q); |
cristy | 524222d | 2011-04-25 00:37:06 +0000 | [diff] [blame] | 215 | } |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 216 | } |
| 217 | if (*p < 0) |
| 218 | { |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 219 | f = (*p / MaxVal) * (QuantumRange-GetPixelBlue(image,q)); |
| 220 | if (f+GetPixelBlue(image,q) > QuantumRange) |
| 221 | SetPixelBlue(image,QuantumRange,q); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 222 | else |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 223 | SetPixelBlue(image,GetPixelBlue(image,q)+(int) f,q); |
| 224 | if ((int) f / 2.0 > GetPixelGreen(image,q)) |
cristy | 524222d | 2011-04-25 00:37:06 +0000 | [diff] [blame] | 225 | { |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 226 | SetPixelRed(image,0,q); |
| 227 | SetPixelGreen(image,0,q); |
cristy | 524222d | 2011-04-25 00:37:06 +0000 | [diff] [blame] | 228 | } |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 229 | else |
cristy | 524222d | 2011-04-25 00:37:06 +0000 | [diff] [blame] | 230 | { |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 231 | SetPixelRed(image,GetPixelRed(image,q)-(int) (f/2.0),q); |
| 232 | SetPixelGreen(image,GetPixelRed(image,q),q); |
cristy | 524222d | 2011-04-25 00:37:06 +0000 | [diff] [blame] | 233 | } |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 234 | } |
| 235 | p++; |
cristy | ed23157 | 2011-07-14 02:18:59 +0000 | [diff] [blame] | 236 | q+=GetPixelChannels(image); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 237 | } |
| 238 | if (!SyncAuthenticPixels(image,exception)) |
| 239 | return; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 240 | return; |
| 241 | } |
| 242 | |
| 243 | |
cristy | c82a27b | 2011-10-21 01:07:16 +0000 | [diff] [blame] | 244 | static void InsertComplexFloatRow(Image *image,float *p,int y,double MinVal, |
| 245 | double MaxVal,ExceptionInfo *exception) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 246 | { |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 247 | double f; |
| 248 | int x; |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 249 | register Quantum *q; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 250 | |
| 251 | if (MinVal == 0) |
| 252 | MinVal = -1; |
| 253 | if (MaxVal == 0) |
| 254 | MaxVal = 1; |
| 255 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 256 | q = QueueAuthenticPixels(image, 0, y, image->columns, 1,exception); |
cristy | acd2ed2 | 2011-08-30 01:44:23 +0000 | [diff] [blame] | 257 | if (q == (Quantum *) NULL) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 258 | return; |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 259 | for (x = 0; x < (ssize_t) image->columns; x++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 260 | { |
| 261 | if (*p > 0) |
| 262 | { |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 263 | f = (*p / MaxVal) * (QuantumRange-GetPixelRed(image,q)); |
| 264 | if (f+GetPixelRed(image,q) > QuantumRange) |
| 265 | SetPixelRed(image,QuantumRange,q); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 266 | else |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 267 | SetPixelRed(image,GetPixelRed(image,q)+(int) f,q); |
| 268 | if ((int) f / 2.0 > GetPixelGreen(image,q)) |
cristy | 524222d | 2011-04-25 00:37:06 +0000 | [diff] [blame] | 269 | { |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 270 | SetPixelGreen(image,0,q); |
| 271 | SetPixelBlue(image,0,q); |
cristy | 524222d | 2011-04-25 00:37:06 +0000 | [diff] [blame] | 272 | } |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 273 | else |
cristy | 524222d | 2011-04-25 00:37:06 +0000 | [diff] [blame] | 274 | { |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 275 | SetPixelBlue(image,GetPixelBlue(image,q)-(int) (f/2.0),q); |
| 276 | SetPixelGreen(image,GetPixelBlue(image,q),q); |
cristy | 524222d | 2011-04-25 00:37:06 +0000 | [diff] [blame] | 277 | } |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 278 | } |
| 279 | if (*p < 0) |
| 280 | { |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 281 | f = (*p / MaxVal) * (QuantumRange - GetPixelBlue(image,q)); |
| 282 | if (f + GetPixelBlue(image,q) > QuantumRange) |
| 283 | SetPixelBlue(image,QuantumRange,q); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 284 | else |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 285 | SetPixelBlue(image,GetPixelBlue(image,q)+ |
| 286 | (int) f,q); |
| 287 | if ((int) f / 2.0 > GetPixelGreen(image,q)) |
cristy | 524222d | 2011-04-25 00:37:06 +0000 | [diff] [blame] | 288 | { |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 289 | SetPixelGreen(image,0,q); |
| 290 | SetPixelRed(image,0,q); |
cristy | 524222d | 2011-04-25 00:37:06 +0000 | [diff] [blame] | 291 | } |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 292 | else |
cristy | 524222d | 2011-04-25 00:37:06 +0000 | [diff] [blame] | 293 | { |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 294 | SetPixelRed(image,GetPixelRed(image,q)-(int) (f/2.0),q); |
| 295 | SetPixelGreen(image,GetPixelRed(image,q),q); |
cristy | 524222d | 2011-04-25 00:37:06 +0000 | [diff] [blame] | 296 | } |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 297 | } |
| 298 | p++; |
| 299 | q++; |
| 300 | } |
| 301 | if (!SyncAuthenticPixels(image,exception)) |
| 302 | return; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 303 | return; |
| 304 | } |
| 305 | |
| 306 | |
| 307 | /************** READERS ******************/ |
| 308 | |
| 309 | /* This function reads one block of floats*/ |
| 310 | static void ReadBlobFloatsLSB(Image * image, size_t len, float *data) |
| 311 | { |
| 312 | while (len >= 4) |
| 313 | { |
| 314 | *data++ = ReadBlobFloat(image); |
| 315 | len -= sizeof(float); |
| 316 | } |
| 317 | if (len > 0) |
| 318 | (void) SeekBlob(image, len, SEEK_CUR); |
| 319 | } |
| 320 | |
| 321 | static void ReadBlobFloatsMSB(Image * image, size_t len, float *data) |
| 322 | { |
| 323 | while (len >= 4) |
| 324 | { |
| 325 | *data++ = ReadBlobFloat(image); |
| 326 | len -= sizeof(float); |
| 327 | } |
| 328 | if (len > 0) |
| 329 | (void) SeekBlob(image, len, SEEK_CUR); |
| 330 | } |
| 331 | |
| 332 | /* This function reads one block of doubles*/ |
| 333 | static void ReadBlobDoublesLSB(Image * image, size_t len, double *data) |
| 334 | { |
| 335 | while (len >= 8) |
| 336 | { |
| 337 | *data++ = ReadBlobDouble(image); |
| 338 | len -= sizeof(double); |
| 339 | } |
| 340 | if (len > 0) |
| 341 | (void) SeekBlob(image, len, SEEK_CUR); |
| 342 | } |
| 343 | |
| 344 | static void ReadBlobDoublesMSB(Image * image, size_t len, double *data) |
| 345 | { |
| 346 | while (len >= 8) |
| 347 | { |
| 348 | *data++ = ReadBlobDouble(image); |
| 349 | len -= sizeof(double); |
| 350 | } |
| 351 | if (len > 0) |
| 352 | (void) SeekBlob(image, len, SEEK_CUR); |
| 353 | } |
| 354 | |
| 355 | /* Calculate minimum and maximum from a given block of data */ |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 356 | static void CalcMinMax(Image *image, int endian_indicator, int SizeX, int SizeY, size_t CellType, unsigned ldblk, void *BImgBuff, double *Min, double *Max) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 357 | { |
| 358 | MagickOffsetType filepos; |
| 359 | int i, x; |
| 360 | void (*ReadBlobDoublesXXX)(Image * image, size_t len, double *data); |
| 361 | void (*ReadBlobFloatsXXX)(Image * image, size_t len, float *data); |
| 362 | double *dblrow; |
| 363 | float *fltrow; |
| 364 | |
| 365 | if (endian_indicator == LSBEndian) |
| 366 | { |
| 367 | ReadBlobDoublesXXX = ReadBlobDoublesLSB; |
| 368 | ReadBlobFloatsXXX = ReadBlobFloatsLSB; |
| 369 | } |
cristy | c5de699 | 2009-10-06 19:19:48 +0000 | [diff] [blame] | 370 | else /* MI */ |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 371 | { |
| 372 | ReadBlobDoublesXXX = ReadBlobDoublesMSB; |
| 373 | ReadBlobFloatsXXX = ReadBlobFloatsMSB; |
| 374 | } |
| 375 | |
cristy | c5de699 | 2009-10-06 19:19:48 +0000 | [diff] [blame] | 376 | filepos = TellBlob(image); /* Please note that file seeking occurs only in the case of doubles */ |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 377 | for (i = 0; i < SizeY; i++) |
| 378 | { |
| 379 | if (CellType==miDOUBLE) |
| 380 | { |
| 381 | ReadBlobDoublesXXX(image, ldblk, (double *)BImgBuff); |
| 382 | dblrow = (double *)BImgBuff; |
| 383 | if (i == 0) |
| 384 | { |
| 385 | *Min = *Max = *dblrow; |
| 386 | } |
| 387 | for (x = 0; x < SizeX; x++) |
| 388 | { |
| 389 | if (*Min > *dblrow) |
| 390 | *Min = *dblrow; |
| 391 | if (*Max < *dblrow) |
| 392 | *Max = *dblrow; |
| 393 | dblrow++; |
| 394 | } |
| 395 | } |
| 396 | if (CellType==miSINGLE) |
| 397 | { |
| 398 | ReadBlobFloatsXXX(image, ldblk, (float *)BImgBuff); |
| 399 | fltrow = (float *)BImgBuff; |
| 400 | if (i == 0) |
| 401 | { |
| 402 | *Min = *Max = *fltrow; |
| 403 | } |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 404 | for (x = 0; x < (ssize_t) SizeX; x++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 405 | { |
| 406 | if (*Min > *fltrow) |
| 407 | *Min = *fltrow; |
| 408 | if (*Max < *fltrow) |
| 409 | *Max = *fltrow; |
| 410 | fltrow++; |
| 411 | } |
| 412 | } |
| 413 | } |
| 414 | (void) SeekBlob(image, filepos, SEEK_SET); |
| 415 | } |
| 416 | |
| 417 | |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 418 | static void FixSignedValues(const Image *image,Quantum *q, int y) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 419 | { |
| 420 | while(y-->0) |
| 421 | { |
| 422 | /* Please note that negative values will overflow |
| 423 | Q=8; QuantumRange=255: <0;127> + 127+1 = <128; 255> |
cristy | c5de699 | 2009-10-06 19:19:48 +0000 | [diff] [blame] | 424 | <-1;-128> + 127+1 = <0; 127> */ |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 425 | SetPixelRed(image,GetPixelRed(image,q)+QuantumRange/2+1,q); |
| 426 | SetPixelGreen(image,GetPixelGreen(image,q)+QuantumRange/2+1,q); |
| 427 | SetPixelBlue(image,GetPixelBlue(image,q)+QuantumRange/2+1,q); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 428 | q++; |
| 429 | } |
| 430 | } |
| 431 | |
| 432 | |
| 433 | /** Fix whole row of logical/binary data. It means pack it. */ |
| 434 | static void FixLogical(unsigned char *Buff,int ldblk) |
| 435 | { |
| 436 | unsigned char mask=128; |
| 437 | unsigned char *BuffL = Buff; |
| 438 | unsigned char val = 0; |
| 439 | |
| 440 | while(ldblk-->0) |
| 441 | { |
| 442 | if(*Buff++ != 0) |
| 443 | val |= mask; |
| 444 | |
| 445 | mask >>= 1; |
| 446 | if(mask==0) |
| 447 | { |
| 448 | *BuffL++ = val; |
| 449 | val = 0; |
| 450 | mask = 128; |
| 451 | } |
| 452 | |
| 453 | } |
| 454 | *BuffL = val; |
| 455 | } |
| 456 | |
| 457 | #if defined(MAGICKCORE_ZLIB_DELEGATE) |
| 458 | static voidpf AcquireZIPMemory(voidpf context,unsigned int items, |
| 459 | unsigned int size) |
| 460 | { |
| 461 | (void) context; |
| 462 | return((voidpf) AcquireQuantumMemory(items,size)); |
| 463 | } |
| 464 | |
| 465 | static void RelinquishZIPMemory(voidpf context,voidpf memory) |
| 466 | { |
| 467 | (void) context; |
| 468 | memory=RelinquishMagickMemory(memory); |
| 469 | } |
| 470 | #endif |
| 471 | |
cristy | 0906b14 | 2011-02-21 01:10:00 +0000 | [diff] [blame] | 472 | #if defined(MAGICKCORE_ZLIB_DELEGATE) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 473 | /** This procedure decompreses an image block for a new MATLAB format. */ |
| 474 | static Image *DecompressBlock(Image *orig, MagickOffsetType Size, ImageInfo *clone_info, ExceptionInfo *exception) |
| 475 | { |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 476 | |
| 477 | Image *image2; |
| 478 | void *CacheBlock, *DecompressBlock; |
| 479 | z_stream zip_info; |
| 480 | FILE *mat_file; |
| 481 | size_t magick_size; |
cristy | 95236b5 | 2009-12-30 21:56:45 +0000 | [diff] [blame] | 482 | size_t extent; |
dirk | 96c0d68 | 2014-05-03 14:03:02 +0000 | [diff] [blame] | 483 | int file; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 484 | |
| 485 | int status; |
| 486 | |
| 487 | if(clone_info==NULL) return NULL; |
cristy | c5de699 | 2009-10-06 19:19:48 +0000 | [diff] [blame] | 488 | if(clone_info->file) /* Close file opened from previous transaction. */ |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 489 | { |
| 490 | fclose(clone_info->file); |
| 491 | clone_info->file = NULL; |
cristy | 18c6c27 | 2011-09-23 14:40:37 +0000 | [diff] [blame] | 492 | (void) remove_utf8(clone_info->filename); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 493 | } |
| 494 | |
| 495 | CacheBlock = AcquireQuantumMemory((size_t)((Size<16384)?Size:16384),sizeof(unsigned char *)); |
| 496 | if(CacheBlock==NULL) return NULL; |
| 497 | DecompressBlock = AcquireQuantumMemory((size_t)(4096),sizeof(unsigned char *)); |
| 498 | if(DecompressBlock==NULL) |
| 499 | { |
| 500 | RelinquishMagickMemory(CacheBlock); |
| 501 | return NULL; |
| 502 | } |
| 503 | |
cristy | 4d0ca34 | 2014-05-01 00:42:09 +0000 | [diff] [blame] | 504 | mat_file=0; |
| 505 | file = AcquireUniqueFileResource(clone_info->filename); |
| 506 | if (file != -1) |
| 507 | mat_file = fdopen(file,"w"); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 508 | if(!mat_file) |
| 509 | { |
| 510 | RelinquishMagickMemory(CacheBlock); |
| 511 | RelinquishMagickMemory(DecompressBlock); |
| 512 | (void) LogMagickEvent(CoderEvent,GetMagickModule(),"Gannot create file stream for PS image"); |
| 513 | return NULL; |
| 514 | } |
| 515 | |
| 516 | zip_info.zalloc=AcquireZIPMemory; |
| 517 | zip_info.zfree=RelinquishZIPMemory; |
| 518 | zip_info.opaque = (voidpf) NULL; |
| 519 | inflateInit(&zip_info); |
| 520 | /* zip_info.next_out = 8*4;*/ |
| 521 | |
| 522 | zip_info.avail_in = 0; |
| 523 | zip_info.total_out = 0; |
| 524 | while(Size>0 && !EOFBlob(orig)) |
| 525 | { |
| 526 | magick_size = ReadBlob(orig, (Size<16384)?Size:16384, (unsigned char *) CacheBlock); |
| 527 | zip_info.next_in = (Bytef *) CacheBlock; |
| 528 | zip_info.avail_in = (uInt) magick_size; |
| 529 | |
| 530 | while(zip_info.avail_in>0) |
| 531 | { |
| 532 | zip_info.avail_out = 4096; |
| 533 | zip_info.next_out = (Bytef *) DecompressBlock; |
| 534 | status = inflate(&zip_info,Z_NO_FLUSH); |
cristy | 95236b5 | 2009-12-30 21:56:45 +0000 | [diff] [blame] | 535 | extent=fwrite(DecompressBlock, 4096-zip_info.avail_out, 1, mat_file); |
cristy | da16f16 | 2011-02-19 23:52:17 +0000 | [diff] [blame] | 536 | (void) extent; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 537 | |
| 538 | if(status == Z_STREAM_END) goto DblBreak; |
| 539 | } |
| 540 | |
| 541 | Size -= magick_size; |
| 542 | } |
| 543 | DblBreak: |
| 544 | |
cristy | 166daeb | 2015-01-15 12:18:07 +0000 | [diff] [blame] | 545 | inflateEnd(&zip_info); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 546 | (void)fclose(mat_file); |
| 547 | RelinquishMagickMemory(CacheBlock); |
| 548 | RelinquishMagickMemory(DecompressBlock); |
| 549 | |
| 550 | if((clone_info->file=fopen(clone_info->filename,"rb"))==NULL) goto UnlinkFile; |
cristy | 9950d57 | 2011-10-01 18:22:35 +0000 | [diff] [blame] | 551 | if( (image2 = AcquireImage(clone_info,exception))==NULL ) goto EraseFile; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 552 | status = OpenBlob(clone_info,image2,ReadBinaryBlobMode,exception); |
| 553 | if (status == MagickFalse) |
| 554 | { |
| 555 | DeleteImageFromList(&image2); |
| 556 | EraseFile: |
| 557 | fclose(clone_info->file); |
| 558 | clone_info->file = NULL; |
| 559 | UnlinkFile: |
cristy | 18c6c27 | 2011-09-23 14:40:37 +0000 | [diff] [blame] | 560 | (void) remove_utf8(clone_info->filename); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 561 | return NULL; |
| 562 | } |
| 563 | |
| 564 | return image2; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 565 | } |
cristy | 0906b14 | 2011-02-21 01:10:00 +0000 | [diff] [blame] | 566 | #endif |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 567 | |
| 568 | /* |
| 569 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 570 | % % |
| 571 | % % |
| 572 | % % |
| 573 | % R e a d M A T L A B i m a g e % |
| 574 | % % |
| 575 | % % |
| 576 | % % |
| 577 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 578 | % |
| 579 | % ReadMATImage() reads an MAT X image file and returns it. It |
| 580 | % allocates the memory necessary for the new Image structure and returns a |
| 581 | % pointer to the new image. |
| 582 | % |
| 583 | % The format of the ReadMATImage method is: |
| 584 | % |
| 585 | % Image *ReadMATImage(const ImageInfo *image_info,ExceptionInfo *exception) |
| 586 | % |
| 587 | % A description of each parameter follows: |
| 588 | % |
| 589 | % o image: Method ReadMATImage returns a pointer to the image after |
| 590 | % reading. A null image is returned if there is a memory shortage or if |
| 591 | % the image cannot be read. |
| 592 | % |
| 593 | % o image_info: Specifies a pointer to a ImageInfo structure. |
| 594 | % |
| 595 | % o exception: return any errors or warnings in this structure. |
| 596 | % |
| 597 | */ |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 598 | static Image *ReadMATImage(const ImageInfo *image_info,ExceptionInfo *exception) |
| 599 | { |
| 600 | Image *image, *image2=NULL, |
| 601 | *rotated_image; |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 602 | register Quantum *q; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 603 | |
| 604 | unsigned int status; |
| 605 | MATHeader MATLAB_HDR; |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 606 | size_t size; |
| 607 | size_t CellType; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 608 | QuantumInfo *quantum_info; |
| 609 | ImageInfo *clone_info; |
| 610 | int i; |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 611 | ssize_t ldblk; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 612 | unsigned char *BImgBuff = NULL; |
| 613 | double MinVal, MaxVal; |
cristy | f5e4a81 | 2012-05-01 16:40:19 +0000 | [diff] [blame] | 614 | unsigned z, z2; |
| 615 | unsigned Frames; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 616 | int logging; |
| 617 | int sample_size; |
| 618 | MagickOffsetType filepos=0x80; |
| 619 | BlobInfo *blob; |
cristy | eaedf06 | 2010-05-29 22:36:02 +0000 | [diff] [blame] | 620 | size_t one; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 621 | |
| 622 | unsigned int (*ReadBlobXXXLong)(Image *image); |
| 623 | unsigned short (*ReadBlobXXXShort)(Image *image); |
| 624 | void (*ReadBlobDoublesXXX)(Image * image, size_t len, double *data); |
| 625 | void (*ReadBlobFloatsXXX)(Image * image, size_t len, float *data); |
| 626 | |
| 627 | |
| 628 | assert(image_info != (const ImageInfo *) NULL); |
cristy | e1c94d9 | 2015-06-28 12:16:33 +0000 | [diff] [blame] | 629 | assert(image_info->signature == MagickCoreSignature); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 630 | assert(exception != (ExceptionInfo *) NULL); |
cristy | e1c94d9 | 2015-06-28 12:16:33 +0000 | [diff] [blame] | 631 | assert(exception->signature == MagickCoreSignature); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 632 | logging = LogMagickEvent(CoderEvent,GetMagickModule(),"enter"); |
| 633 | |
| 634 | /* |
| 635 | Open image file. |
| 636 | */ |
cristy | 9950d57 | 2011-10-01 18:22:35 +0000 | [diff] [blame] | 637 | image = AcquireImage(image_info,exception); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 638 | |
| 639 | status = OpenBlob(image_info, image, ReadBinaryBlobMode, exception); |
| 640 | if (status == MagickFalse) |
| 641 | { |
| 642 | image=DestroyImageList(image); |
| 643 | return((Image *) NULL); |
| 644 | } |
| 645 | /* |
| 646 | Read MATLAB image. |
| 647 | */ |
| 648 | clone_info=CloneImageInfo(image_info); |
| 649 | if(ReadBlob(image,124,(unsigned char *) &MATLAB_HDR.identific) != 124) |
| 650 | ThrowReaderException(CorruptImageError,"ImproperImageHeader"); |
| 651 | MATLAB_HDR.Version = ReadBlobLSBShort(image); |
| 652 | if(ReadBlob(image,2,(unsigned char *) &MATLAB_HDR.EndianIndicator) != 2) |
| 653 | ThrowReaderException(CorruptImageError,"ImproperImageHeader"); |
| 654 | |
| 655 | if (logging) (void)LogMagickEvent(CoderEvent,GetMagickModule()," Endian %c%c", |
| 656 | MATLAB_HDR.EndianIndicator[0],MATLAB_HDR.EndianIndicator[1]); |
| 657 | if (!strncmp(MATLAB_HDR.EndianIndicator, "IM", 2)) |
| 658 | { |
| 659 | ReadBlobXXXLong = ReadBlobLSBLong; |
| 660 | ReadBlobXXXShort = ReadBlobLSBShort; |
| 661 | ReadBlobDoublesXXX = ReadBlobDoublesLSB; |
| 662 | ReadBlobFloatsXXX = ReadBlobFloatsLSB; |
| 663 | image->endian = LSBEndian; |
| 664 | } |
| 665 | else if (!strncmp(MATLAB_HDR.EndianIndicator, "MI", 2)) |
| 666 | { |
| 667 | ReadBlobXXXLong = ReadBlobMSBLong; |
| 668 | ReadBlobXXXShort = ReadBlobMSBShort; |
| 669 | ReadBlobDoublesXXX = ReadBlobDoublesMSB; |
| 670 | ReadBlobFloatsXXX = ReadBlobFloatsMSB; |
| 671 | image->endian = MSBEndian; |
| 672 | } |
| 673 | else |
| 674 | goto MATLAB_KO; /* unsupported endian */ |
| 675 | |
| 676 | if (strncmp(MATLAB_HDR.identific, "MATLAB", 6)) |
| 677 | MATLAB_KO: ThrowReaderException(CorruptImageError,"ImproperImageHeader"); |
| 678 | |
| 679 | filepos = TellBlob(image); |
| 680 | while(!EOFBlob(image)) /* object parser loop */ |
| 681 | { |
cristy | f5e4a81 | 2012-05-01 16:40:19 +0000 | [diff] [blame] | 682 | Frames = 1; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 683 | (void) SeekBlob(image,filepos,SEEK_SET); |
| 684 | /* printf("pos=%X\n",TellBlob(image)); */ |
| 685 | |
| 686 | MATLAB_HDR.DataType = ReadBlobXXXLong(image); |
| 687 | if(EOFBlob(image)) break; |
| 688 | MATLAB_HDR.ObjectSize = ReadBlobXXXLong(image); |
| 689 | if(EOFBlob(image)) break; |
| 690 | filepos += MATLAB_HDR.ObjectSize + 4 + 4; |
| 691 | |
| 692 | image2 = image; |
| 693 | #if defined(MAGICKCORE_ZLIB_DELEGATE) |
| 694 | if(MATLAB_HDR.DataType == miCOMPRESSED) |
| 695 | { |
| 696 | image2 = DecompressBlock(image,MATLAB_HDR.ObjectSize,clone_info,exception); |
| 697 | if(image2==NULL) continue; |
| 698 | MATLAB_HDR.DataType = ReadBlobXXXLong(image2); /* replace compressed object type. */ |
| 699 | } |
| 700 | #endif |
| 701 | |
| 702 | if(MATLAB_HDR.DataType!=miMATRIX) continue; /* skip another objects. */ |
| 703 | |
| 704 | MATLAB_HDR.unknown1 = ReadBlobXXXLong(image2); |
| 705 | MATLAB_HDR.unknown2 = ReadBlobXXXLong(image2); |
| 706 | |
| 707 | MATLAB_HDR.unknown5 = ReadBlobXXXLong(image2); |
| 708 | MATLAB_HDR.StructureClass = MATLAB_HDR.unknown5 & 0xFF; |
| 709 | MATLAB_HDR.StructureFlag = (MATLAB_HDR.unknown5>>8) & 0xFF; |
| 710 | |
| 711 | MATLAB_HDR.unknown3 = ReadBlobXXXLong(image2); |
| 712 | if(image!=image2) |
cristy | c5de699 | 2009-10-06 19:19:48 +0000 | [diff] [blame] | 713 | MATLAB_HDR.unknown4 = ReadBlobXXXLong(image2); /* ??? don't understand why ?? */ |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 714 | MATLAB_HDR.unknown4 = ReadBlobXXXLong(image2); |
| 715 | MATLAB_HDR.DimFlag = ReadBlobXXXLong(image2); |
| 716 | MATLAB_HDR.SizeX = ReadBlobXXXLong(image2); |
| 717 | MATLAB_HDR.SizeY = ReadBlobXXXLong(image2); |
| 718 | |
| 719 | |
| 720 | switch(MATLAB_HDR.DimFlag) |
| 721 | { |
cristy | f5e4a81 | 2012-05-01 16:40:19 +0000 | [diff] [blame] | 722 | case 8: z2=z=1; break; /* 2D matrix*/ |
| 723 | case 12: z2=z = ReadBlobXXXLong(image2); /* 3D matrix RGB*/ |
| 724 | (void) ReadBlobXXXLong(image2); |
cristy | c5de699 | 2009-10-06 19:19:48 +0000 | [diff] [blame] | 725 | if(z!=3) ThrowReaderException(CoderError, "MultidimensionalMatricesAreNotSupported"); |
| 726 | break; |
cristy | f5e4a81 | 2012-05-01 16:40:19 +0000 | [diff] [blame] | 727 | case 16: z2=z = ReadBlobXXXLong(image2); /* 4D matrix animation */ |
| 728 | if(z!=3 && z!=1) |
| 729 | ThrowReaderException(CoderError, "MultidimensionalMatricesAreNotSupported"); |
| 730 | Frames = ReadBlobXXXLong(image2); |
| 731 | break; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 732 | default: ThrowReaderException(CoderError, "MultidimensionalMatricesAreNotSupported"); |
| 733 | } |
| 734 | |
| 735 | MATLAB_HDR.Flag1 = ReadBlobXXXShort(image2); |
| 736 | MATLAB_HDR.NameFlag = ReadBlobXXXShort(image2); |
| 737 | |
| 738 | if (logging) (void)LogMagickEvent(CoderEvent,GetMagickModule(), |
| 739 | "MATLAB_HDR.StructureClass %d",MATLAB_HDR.StructureClass); |
| 740 | if (MATLAB_HDR.StructureClass != mxCHAR_CLASS && |
cristy | c5de699 | 2009-10-06 19:19:48 +0000 | [diff] [blame] | 741 | MATLAB_HDR.StructureClass != mxSINGLE_CLASS && /* float + complex float */ |
| 742 | MATLAB_HDR.StructureClass != mxDOUBLE_CLASS && /* double + complex double */ |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 743 | MATLAB_HDR.StructureClass != mxINT8_CLASS && |
cristy | c5de699 | 2009-10-06 19:19:48 +0000 | [diff] [blame] | 744 | MATLAB_HDR.StructureClass != mxUINT8_CLASS && /* uint8 + uint8 3D */ |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 745 | MATLAB_HDR.StructureClass != mxINT16_CLASS && |
cristy | c5de699 | 2009-10-06 19:19:48 +0000 | [diff] [blame] | 746 | MATLAB_HDR.StructureClass != mxUINT16_CLASS && /* uint16 + uint16 3D */ |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 747 | MATLAB_HDR.StructureClass != mxINT32_CLASS && |
cristy | c5de699 | 2009-10-06 19:19:48 +0000 | [diff] [blame] | 748 | MATLAB_HDR.StructureClass != mxUINT32_CLASS && /* uint32 + uint32 3D */ |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 749 | MATLAB_HDR.StructureClass != mxINT64_CLASS && |
cristy | c5de699 | 2009-10-06 19:19:48 +0000 | [diff] [blame] | 750 | MATLAB_HDR.StructureClass != mxUINT64_CLASS) /* uint64 + uint64 3D */ |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 751 | ThrowReaderException(CoderError,"UnsupportedCellTypeInTheMatrix"); |
| 752 | |
| 753 | switch (MATLAB_HDR.NameFlag) |
| 754 | { |
| 755 | case 0: |
cristy | c5de699 | 2009-10-06 19:19:48 +0000 | [diff] [blame] | 756 | size = ReadBlobXXXLong(image2); /* Object name string size */ |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 757 | size = 4 * (ssize_t) ((size + 3 + 1) / 4); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 758 | (void) SeekBlob(image2, size, SEEK_CUR); |
| 759 | break; |
| 760 | case 1: |
| 761 | case 2: |
| 762 | case 3: |
| 763 | case 4: |
| 764 | (void) ReadBlob(image2, 4, (unsigned char *) &size); /* Object name string */ |
| 765 | break; |
| 766 | default: |
| 767 | goto MATLAB_KO; |
| 768 | } |
| 769 | |
| 770 | CellType = ReadBlobXXXLong(image2); /* Additional object type */ |
cristy | f2faecf | 2010-05-28 19:19:36 +0000 | [diff] [blame] | 771 | if (logging) |
| 772 | (void) LogMagickEvent(CoderEvent,GetMagickModule(), |
cristy | e8c25f9 | 2010-06-03 00:53:06 +0000 | [diff] [blame] | 773 | "MATLAB_HDR.CellType: %.20g",(double) CellType); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 774 | |
| 775 | (void) ReadBlob(image2, 4, (unsigned char *) &size); /* data size */ |
| 776 | |
cristy | f5e4a81 | 2012-05-01 16:40:19 +0000 | [diff] [blame] | 777 | NEXT_FRAME: |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 778 | switch (CellType) |
| 779 | { |
| 780 | case miINT8: |
| 781 | case miUINT8: |
| 782 | sample_size = 8; |
| 783 | if(MATLAB_HDR.StructureFlag & FLAG_LOGICAL) |
| 784 | image->depth = 1; |
| 785 | else |
| 786 | image->depth = 8; /* Byte type cell */ |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 787 | ldblk = (ssize_t) MATLAB_HDR.SizeX; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 788 | break; |
| 789 | case miINT16: |
| 790 | case miUINT16: |
| 791 | sample_size = 16; |
| 792 | image->depth = 16; /* Word type cell */ |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 793 | ldblk = (ssize_t) (2 * MATLAB_HDR.SizeX); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 794 | break; |
| 795 | case miINT32: |
| 796 | case miUINT32: |
| 797 | sample_size = 32; |
| 798 | image->depth = 32; /* Dword type cell */ |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 799 | ldblk = (ssize_t) (4 * MATLAB_HDR.SizeX); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 800 | break; |
| 801 | case miINT64: |
| 802 | case miUINT64: |
| 803 | sample_size = 64; |
| 804 | image->depth = 64; /* Qword type cell */ |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 805 | ldblk = (ssize_t) (8 * MATLAB_HDR.SizeX); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 806 | break; |
| 807 | case miSINGLE: |
| 808 | sample_size = 32; |
| 809 | image->depth = 32; /* double type cell */ |
| 810 | (void) SetImageOption(clone_info,"quantum:format","floating-point"); |
| 811 | if (MATLAB_HDR.StructureFlag & FLAG_COMPLEX) |
cristy | c5de699 | 2009-10-06 19:19:48 +0000 | [diff] [blame] | 812 | { /* complex float type cell */ |
| 813 | } |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 814 | ldblk = (ssize_t) (4 * MATLAB_HDR.SizeX); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 815 | break; |
| 816 | case miDOUBLE: |
| 817 | sample_size = 64; |
| 818 | image->depth = 64; /* double type cell */ |
| 819 | (void) SetImageOption(clone_info,"quantum:format","floating-point"); |
dirk | 93b02b7 | 2013-11-16 16:03:36 +0000 | [diff] [blame] | 820 | DisableMSCWarning(4127) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 821 | if (sizeof(double) != 8) |
dirk | 93b02b7 | 2013-11-16 16:03:36 +0000 | [diff] [blame] | 822 | RestoreMSCWarning |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 823 | ThrowReaderException(CoderError, "IncompatibleSizeOfDouble"); |
| 824 | if (MATLAB_HDR.StructureFlag & FLAG_COMPLEX) |
cristy | c5de699 | 2009-10-06 19:19:48 +0000 | [diff] [blame] | 825 | { /* complex double type cell */ |
| 826 | } |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 827 | ldblk = (ssize_t) (8 * MATLAB_HDR.SizeX); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 828 | break; |
| 829 | default: |
| 830 | ThrowReaderException(CoderError, "UnsupportedCellTypeInTheMatrix"); |
| 831 | } |
cristy | da16f16 | 2011-02-19 23:52:17 +0000 | [diff] [blame] | 832 | (void) sample_size; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 833 | image->columns = MATLAB_HDR.SizeX; |
| 834 | image->rows = MATLAB_HDR.SizeY; |
cristy | 5f766ef | 2014-12-14 21:12:47 +0000 | [diff] [blame] | 835 | quantum_info=AcquireQuantumInfo(clone_info,image); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 836 | if (quantum_info == (QuantumInfo *) NULL) |
| 837 | ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); |
cristy | eaedf06 | 2010-05-29 22:36:02 +0000 | [diff] [blame] | 838 | one=1; |
| 839 | image->colors = one << image->depth; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 840 | if (image->columns == 0 || image->rows == 0) |
| 841 | goto MATLAB_KO; |
cristy | dfc9c53 | 2012-05-12 23:45:48 +0000 | [diff] [blame] | 842 | /* Image is gray when no complex flag is set and 2D Matrix */ |
| 843 | if ((MATLAB_HDR.DimFlag == 8) && |
| 844 | ((MATLAB_HDR.StructureFlag & FLAG_COMPLEX) == 0)) |
| 845 | { |
| 846 | image->type=GrayscaleType; |
| 847 | SetImageColorspace(image,GRAYColorspace,exception); |
| 848 | } |
| 849 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 850 | |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 851 | /* |
| 852 | If ping is true, then only set image size and colors without |
| 853 | reading any image data. |
| 854 | */ |
| 855 | if (image_info->ping) |
| 856 | { |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 857 | size_t temp = image->columns; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 858 | image->columns = image->rows; |
| 859 | image->rows = temp; |
| 860 | goto done_reading; /* !!!!!! BAD !!!! */ |
| 861 | } |
cristy | acabb84 | 2014-12-14 23:36:33 +0000 | [diff] [blame] | 862 | status=SetImageExtent(image,image->columns,image->rows,exception); |
| 863 | if (status == MagickFalse) |
| 864 | return(DestroyImageList(image)); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 865 | |
| 866 | /* ----- Load raster data ----- */ |
cristy | 28dc7c0 | 2014-05-18 14:59:50 +0000 | [diff] [blame] | 867 | BImgBuff = (unsigned char *) AcquireQuantumMemory((size_t) (ldblk),sizeof(unsigned char)); /* Ldblk was set in the check phase */ |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 868 | if (BImgBuff == NULL) |
cristy | d9e30a4 | 2012-12-19 15:37:07 +0000 | [diff] [blame] | 869 | ThrowReaderException(ResourceLimitError,"MemoryAllocationFailed"); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 870 | |
| 871 | MinVal = 0; |
| 872 | MaxVal = 0; |
| 873 | if (CellType==miDOUBLE || CellType==miSINGLE) /* Find Min and Max Values for floats */ |
| 874 | { |
| 875 | CalcMinMax(image2, image_info->endian, MATLAB_HDR.SizeX, MATLAB_HDR.SizeY, CellType, ldblk, BImgBuff, &quantum_info->minimum, &quantum_info->maximum); |
| 876 | } |
| 877 | |
| 878 | /* Main loop for reading all scanlines */ |
| 879 | if(z==1) z=0; /* read grey scanlines */ |
cristy | c5de699 | 2009-10-06 19:19:48 +0000 | [diff] [blame] | 880 | /* else read color scanlines */ |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 881 | do |
| 882 | { |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 883 | for (i = 0; i < (ssize_t) MATLAB_HDR.SizeY; i++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 884 | { |
cristy | 9572202 | 2013-01-15 12:58:21 +0000 | [diff] [blame] | 885 | q=GetAuthenticPixels(image,0,MATLAB_HDR.SizeY-i-1,image->columns,1,exception); |
cristy | f432c63 | 2014-12-07 15:11:28 +0000 | [diff] [blame] | 886 | if (q == (Quantum *) NULL) |
cristy | c5de699 | 2009-10-06 19:19:48 +0000 | [diff] [blame] | 887 | { |
| 888 | if (logging) (void)LogMagickEvent(CoderEvent,GetMagickModule(), |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 889 | " MAT set image pixels returns unexpected NULL on a row %u.", (unsigned)(MATLAB_HDR.SizeY-i-1)); |
cristy | c5de699 | 2009-10-06 19:19:48 +0000 | [diff] [blame] | 890 | goto done_reading; /* Skip image rotation, when cannot set image pixels */ |
| 891 | } |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 892 | if(ReadBlob(image2,ldblk,(unsigned char *)BImgBuff) != (ssize_t) ldblk) |
cristy | c5de699 | 2009-10-06 19:19:48 +0000 | [diff] [blame] | 893 | { |
| 894 | if (logging) (void)LogMagickEvent(CoderEvent,GetMagickModule(), |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 895 | " MAT cannot read scanrow %u from a file.", (unsigned)(MATLAB_HDR.SizeY-i-1)); |
cristy | c5de699 | 2009-10-06 19:19:48 +0000 | [diff] [blame] | 896 | goto ExitLoop; |
| 897 | } |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 898 | if((CellType==miINT8 || CellType==miUINT8) && (MATLAB_HDR.StructureFlag & FLAG_LOGICAL)) |
| 899 | { |
| 900 | FixLogical((unsigned char *)BImgBuff,ldblk); |
| 901 | if(ImportQuantumPixels(image,(CacheView *) NULL,quantum_info,z2qtype[z],BImgBuff,exception) <= 0) |
cristy | c5de699 | 2009-10-06 19:19:48 +0000 | [diff] [blame] | 902 | { |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 903 | ImportQuantumPixelsFailed: |
cristy | c5de699 | 2009-10-06 19:19:48 +0000 | [diff] [blame] | 904 | if (logging) (void)LogMagickEvent(CoderEvent,GetMagickModule(), |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 905 | " MAT failed to ImportQuantumPixels for a row %u", (unsigned)(MATLAB_HDR.SizeY-i-1)); |
cristy | c5de699 | 2009-10-06 19:19:48 +0000 | [diff] [blame] | 906 | break; |
| 907 | } |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 908 | } |
| 909 | else |
| 910 | { |
| 911 | if(ImportQuantumPixels(image,(CacheView *) NULL,quantum_info,z2qtype[z],BImgBuff,exception) <= 0) |
cristy | c5de699 | 2009-10-06 19:19:48 +0000 | [diff] [blame] | 912 | goto ImportQuantumPixelsFailed; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 913 | |
| 914 | |
cristy | c5de699 | 2009-10-06 19:19:48 +0000 | [diff] [blame] | 915 | if (z<=1 && /* fix only during a last pass z==0 || z==1 */ |
| 916 | (CellType==miINT8 || CellType==miINT16 || CellType==miINT32 || CellType==miINT64)) |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 917 | FixSignedValues(image,q,MATLAB_HDR.SizeX); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 918 | } |
| 919 | |
| 920 | if (!SyncAuthenticPixels(image,exception)) |
cristy | c5de699 | 2009-10-06 19:19:48 +0000 | [diff] [blame] | 921 | { |
| 922 | if (logging) (void)LogMagickEvent(CoderEvent,GetMagickModule(), |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 923 | " MAT failed to sync image pixels for a row %u", (unsigned)(MATLAB_HDR.SizeY-i-1)); |
cristy | c5de699 | 2009-10-06 19:19:48 +0000 | [diff] [blame] | 924 | goto ExitLoop; |
| 925 | } |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 926 | } |
| 927 | } while(z-- >= 2); |
| 928 | ExitLoop: |
| 929 | |
| 930 | |
| 931 | /* Read complex part of numbers here */ |
| 932 | if (MATLAB_HDR.StructureFlag & FLAG_COMPLEX) |
| 933 | { /* Find Min and Max Values for complex parts of floats */ |
| 934 | CellType = ReadBlobXXXLong(image2); /* Additional object type */ |
| 935 | i = ReadBlobXXXLong(image2); /* size of a complex part - toss away*/ |
| 936 | |
| 937 | if (CellType==miDOUBLE || CellType==miSINGLE) |
| 938 | { |
| 939 | CalcMinMax(image2, image_info->endian, MATLAB_HDR.SizeX, MATLAB_HDR.SizeY, CellType, ldblk, BImgBuff, &MinVal, &MaxVal); |
| 940 | } |
| 941 | |
| 942 | if (CellType==miDOUBLE) |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 943 | for (i = 0; i < (ssize_t) MATLAB_HDR.SizeY; i++) |
cristy | c5de699 | 2009-10-06 19:19:48 +0000 | [diff] [blame] | 944 | { |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 945 | ReadBlobDoublesXXX(image2, ldblk, (double *)BImgBuff); |
cristy | c82a27b | 2011-10-21 01:07:16 +0000 | [diff] [blame] | 946 | InsertComplexDoubleRow(image, (double *)BImgBuff, i, MinVal, MaxVal, |
| 947 | exception); |
cristy | c5de699 | 2009-10-06 19:19:48 +0000 | [diff] [blame] | 948 | } |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 949 | |
| 950 | if (CellType==miSINGLE) |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 951 | for (i = 0; i < (ssize_t) MATLAB_HDR.SizeY; i++) |
cristy | c5de699 | 2009-10-06 19:19:48 +0000 | [diff] [blame] | 952 | { |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 953 | ReadBlobFloatsXXX(image2, ldblk, (float *)BImgBuff); |
cristy | c82a27b | 2011-10-21 01:07:16 +0000 | [diff] [blame] | 954 | InsertComplexFloatRow(image,(float *)BImgBuff,i,MinVal,MaxVal, |
| 955 | exception); |
cristy | c5de699 | 2009-10-06 19:19:48 +0000 | [diff] [blame] | 956 | } |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 957 | } |
| 958 | |
| 959 | /* Image is gray when no complex flag is set and 2D Matrix AGAIN!!! */ |
| 960 | if ((MATLAB_HDR.DimFlag == 8) && |
| 961 | ((MATLAB_HDR.StructureFlag & FLAG_COMPLEX) == 0)) |
| 962 | image->type=GrayscaleType; |
| 963 | if (image->depth == 1) |
| 964 | image->type=BilevelType; |
| 965 | |
| 966 | if(image2==image) |
| 967 | image2 = NULL; /* Remove shadow copy to an image before rotation. */ |
| 968 | |
| 969 | /* Rotate image. */ |
| 970 | rotated_image = RotateImage(image, 90.0, exception); |
| 971 | if (rotated_image != (Image *) NULL) |
| 972 | { |
| 973 | /* Remove page offsets added by RotateImage */ |
| 974 | rotated_image->page.x=0; |
| 975 | rotated_image->page.y=0; |
| 976 | |
| 977 | blob = rotated_image->blob; |
| 978 | rotated_image->blob = image->blob; |
| 979 | rotated_image->colors = image->colors; |
| 980 | image->blob = blob; |
| 981 | AppendImageToList(&image,rotated_image); |
| 982 | DeleteImageFromList(&image); |
| 983 | } |
| 984 | |
| 985 | done_reading: |
| 986 | |
| 987 | if(image2!=NULL) |
| 988 | if(image2!=image) |
| 989 | { |
| 990 | DeleteImageFromList(&image2); |
cristy | c5de699 | 2009-10-06 19:19:48 +0000 | [diff] [blame] | 991 | if(clone_info) |
| 992 | { |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 993 | if(clone_info->file) |
cristy | c5de699 | 2009-10-06 19:19:48 +0000 | [diff] [blame] | 994 | { |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 995 | fclose(clone_info->file); |
| 996 | clone_info->file = NULL; |
cristy | 18c6c27 | 2011-09-23 14:40:37 +0000 | [diff] [blame] | 997 | (void) remove_utf8(clone_info->filename); |
cristy | c5de699 | 2009-10-06 19:19:48 +0000 | [diff] [blame] | 998 | } |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 999 | } |
| 1000 | } |
| 1001 | |
| 1002 | /* Allocate next image structure. */ |
cristy | 9950d57 | 2011-10-01 18:22:35 +0000 | [diff] [blame] | 1003 | AcquireNextImage(image_info,image,exception); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1004 | if (image->next == (Image *) NULL) break; |
| 1005 | image=SyncNextImageInList(image); |
| 1006 | image->columns=image->rows=0; |
| 1007 | image->colors=0; |
| 1008 | |
cristy | a03e799 | 2010-06-25 12:18:06 +0000 | [diff] [blame] | 1009 | /* row scan buffer is no longer needed */ |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1010 | RelinquishMagickMemory(BImgBuff); |
| 1011 | BImgBuff = NULL; |
cristy | f5e4a81 | 2012-05-01 16:40:19 +0000 | [diff] [blame] | 1012 | |
| 1013 | if(--Frames>0) |
| 1014 | { |
| 1015 | z = z2; |
| 1016 | if(image2==NULL) image2 = image; |
| 1017 | goto NEXT_FRAME; |
| 1018 | } |
| 1019 | if ((image2!=NULL) && (image2!=image)) /* Does shadow temporary decompressed image exist? */ |
| 1020 | { |
| 1021 | /* CloseBlob(image2); */ |
| 1022 | DeleteImageFromList(&image2); |
| 1023 | if(clone_info) |
| 1024 | { |
| 1025 | if(clone_info->file) |
| 1026 | { |
| 1027 | fclose(clone_info->file); |
| 1028 | clone_info->file = NULL; |
| 1029 | (void) remove_utf8(clone_info->filename); |
| 1030 | } |
| 1031 | } |
| 1032 | } |
cristy | f5e4a81 | 2012-05-01 16:40:19 +0000 | [diff] [blame] | 1033 | } |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1034 | |
cristy | 8473f9e | 2012-05-01 16:46:04 +0000 | [diff] [blame] | 1035 | clone_info=DestroyImageInfo(clone_info); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1036 | RelinquishMagickMemory(BImgBuff); |
| 1037 | CloseBlob(image); |
| 1038 | |
| 1039 | |
| 1040 | { |
| 1041 | Image *p; |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1042 | ssize_t scene=0; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1043 | |
| 1044 | /* |
| 1045 | Rewind list, removing any empty images while rewinding. |
| 1046 | */ |
| 1047 | p=image; |
| 1048 | image=NULL; |
cristy | f432c63 | 2014-12-07 15:11:28 +0000 | [diff] [blame] | 1049 | while (p != (Image *) NULL) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1050 | { |
| 1051 | Image *tmp=p; |
| 1052 | if ((p->rows == 0) || (p->columns == 0)) { |
| 1053 | p=p->previous; |
| 1054 | DeleteImageFromList(&tmp); |
| 1055 | } else { |
| 1056 | image=p; |
| 1057 | p=p->previous; |
| 1058 | } |
| 1059 | } |
| 1060 | |
| 1061 | /* |
| 1062 | Fix scene numbers |
| 1063 | */ |
| 1064 | for (p=image; p != (Image *) NULL; p=p->next) |
| 1065 | p->scene=scene++; |
| 1066 | } |
| 1067 | |
cristy | c5de699 | 2009-10-06 19:19:48 +0000 | [diff] [blame] | 1068 | if(clone_info != NULL) /* cleanup garbage file from compression */ |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1069 | { |
| 1070 | if(clone_info->file) |
| 1071 | { |
| 1072 | fclose(clone_info->file); |
| 1073 | clone_info->file = NULL; |
cristy | 18c6c27 | 2011-09-23 14:40:37 +0000 | [diff] [blame] | 1074 | (void) remove_utf8(clone_info->filename); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1075 | } |
| 1076 | DestroyImageInfo(clone_info); |
| 1077 | clone_info = NULL; |
| 1078 | } |
| 1079 | if (logging) (void)LogMagickEvent(CoderEvent,GetMagickModule(),"return"); |
| 1080 | if(image==NULL) |
| 1081 | ThrowReaderException(CorruptImageError,"ImproperImageHeader"); |
| 1082 | return (image); |
| 1083 | } |
| 1084 | |
| 1085 | /* |
| 1086 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1087 | % % |
| 1088 | % % |
| 1089 | % % |
| 1090 | % R e g i s t e r M A T I m a g e % |
| 1091 | % % |
| 1092 | % % |
| 1093 | % % |
| 1094 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1095 | % |
| 1096 | % Method RegisterMATImage adds attributes for the MAT image format to |
| 1097 | % the list of supported formats. The attributes include the image format |
| 1098 | % tag, a method to read and/or write the format, whether the format |
| 1099 | % supports the saving of more than one frame to the same file or blob, |
| 1100 | % whether the format supports native in-memory I/O, and a brief |
| 1101 | % description of the format. |
| 1102 | % |
| 1103 | % The format of the RegisterMATImage method is: |
| 1104 | % |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1105 | % size_t RegisterMATImage(void) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1106 | % |
| 1107 | */ |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1108 | ModuleExport size_t RegisterMATImage(void) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1109 | { |
| 1110 | MagickInfo |
| 1111 | *entry; |
| 1112 | |
dirk | 06b627a | 2015-04-06 18:59:17 +0000 | [diff] [blame] | 1113 | entry=AcquireMagickInfo("MAT","MAT","MATLAB level 5 image format"); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1114 | entry->decoder=(DecodeImageHandler *) ReadMATImage; |
| 1115 | entry->encoder=(EncodeImageHandler *) WriteMATImage; |
dirk | 08e9a11 | 2015-02-22 01:51:41 +0000 | [diff] [blame] | 1116 | entry->flags^=CoderBlobSupportFlag; |
| 1117 | entry->flags|=CoderSeekableStreamFlag; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1118 | (void) RegisterMagickInfo(entry); |
| 1119 | return(MagickImageCoderSignature); |
| 1120 | } |
| 1121 | |
| 1122 | /* |
| 1123 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1124 | % % |
| 1125 | % % |
| 1126 | % % |
| 1127 | % U n r e g i s t e r M A T I m a g e % |
| 1128 | % % |
| 1129 | % % |
| 1130 | % % |
| 1131 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1132 | % |
| 1133 | % Method UnregisterMATImage removes format registrations made by the |
| 1134 | % MAT module from the list of supported formats. |
| 1135 | % |
| 1136 | % The format of the UnregisterMATImage method is: |
| 1137 | % |
| 1138 | % UnregisterMATImage(void) |
| 1139 | % |
| 1140 | */ |
| 1141 | ModuleExport void UnregisterMATImage(void) |
| 1142 | { |
| 1143 | (void) UnregisterMagickInfo("MAT"); |
| 1144 | } |
| 1145 | |
| 1146 | /* |
| 1147 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1148 | % % |
| 1149 | % % |
| 1150 | % % |
| 1151 | % W r i t e M A T L A B I m a g e % |
| 1152 | % % |
| 1153 | % % |
| 1154 | % % |
| 1155 | %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% |
| 1156 | % |
| 1157 | % Function WriteMATImage writes an Matlab matrix to a file. |
| 1158 | % |
| 1159 | % The format of the WriteMATImage method is: |
| 1160 | % |
cristy | 1e178e7 | 2011-08-28 19:44:34 +0000 | [diff] [blame] | 1161 | % MagickBooleanType WriteMATImage(const ImageInfo *image_info, |
| 1162 | % Image *image,ExceptionInfo *exception) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1163 | % |
| 1164 | % A description of each parameter follows. |
| 1165 | % |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1166 | % o image_info: Specifies a pointer to a ImageInfo structure. |
| 1167 | % |
| 1168 | % o image: A pointer to an Image structure. |
| 1169 | % |
cristy | 1e178e7 | 2011-08-28 19:44:34 +0000 | [diff] [blame] | 1170 | % o exception: return any errors or warnings in this structure. |
| 1171 | % |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1172 | */ |
cristy | 1e178e7 | 2011-08-28 19:44:34 +0000 | [diff] [blame] | 1173 | static MagickBooleanType WriteMATImage(const ImageInfo *image_info,Image *image, |
| 1174 | ExceptionInfo *exception) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1175 | { |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1176 | ssize_t y; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1177 | unsigned z; |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 1178 | register const Quantum *p; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1179 | |
| 1180 | unsigned int status; |
| 1181 | int logging; |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1182 | size_t DataSize; |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1183 | char padding; |
| 1184 | char MATLAB_HDR[0x80]; |
| 1185 | time_t current_time; |
| 1186 | struct tm local_time; |
| 1187 | unsigned char *pixels; |
| 1188 | int is_gray; |
| 1189 | |
| 1190 | MagickOffsetType |
| 1191 | scene; |
| 1192 | |
| 1193 | QuantumInfo |
| 1194 | *quantum_info; |
| 1195 | |
| 1196 | /* |
| 1197 | Open output image file. |
| 1198 | */ |
| 1199 | assert(image_info != (const ImageInfo *) NULL); |
cristy | e1c94d9 | 2015-06-28 12:16:33 +0000 | [diff] [blame] | 1200 | assert(image_info->signature == MagickCoreSignature); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1201 | assert(image != (Image *) NULL); |
cristy | e1c94d9 | 2015-06-28 12:16:33 +0000 | [diff] [blame] | 1202 | assert(image->signature == MagickCoreSignature); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1203 | logging=LogMagickEvent(CoderEvent,GetMagickModule(),"enter MAT"); |
cristy | da16f16 | 2011-02-19 23:52:17 +0000 | [diff] [blame] | 1204 | (void) logging; |
cristy | 3a37efd | 2011-08-28 20:31:03 +0000 | [diff] [blame] | 1205 | assert(exception != (ExceptionInfo *) NULL); |
cristy | e1c94d9 | 2015-06-28 12:16:33 +0000 | [diff] [blame] | 1206 | assert(exception->signature == MagickCoreSignature); |
cristy | 1e178e7 | 2011-08-28 19:44:34 +0000 | [diff] [blame] | 1207 | status=OpenBlob(image_info,image,WriteBinaryBlobMode,exception); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1208 | if (status == MagickFalse) |
| 1209 | return(MagickFalse); |
| 1210 | image->depth=8; |
| 1211 | |
| 1212 | current_time=time((time_t *) NULL); |
| 1213 | #if defined(MAGICKCORE_HAVE_LOCALTIME_R) |
| 1214 | (void) localtime_r(¤t_time,&local_time); |
| 1215 | #else |
| 1216 | (void) memcpy(&local_time,localtime(¤t_time),sizeof(local_time)); |
| 1217 | #endif |
| 1218 | (void) memset(MATLAB_HDR,' ',MagickMin(sizeof(MATLAB_HDR),124)); |
cristy | 100a056 | 2014-04-18 01:27:37 +0000 | [diff] [blame] | 1219 | FormatLocaleString(MATLAB_HDR,sizeof(MATLAB_HDR), |
| 1220 | "MATLAB 5.0 MAT-file, Platform: %s, Created on: %s %s %2d %2d:%2d:%2d %d", |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1221 | OsDesc,DayOfWTab[local_time.tm_wday],MonthsTab[local_time.tm_mon], |
| 1222 | local_time.tm_mday,local_time.tm_hour,local_time.tm_min, |
| 1223 | local_time.tm_sec,local_time.tm_year+1900); |
| 1224 | MATLAB_HDR[0x7C]=0; |
| 1225 | MATLAB_HDR[0x7D]=1; |
| 1226 | MATLAB_HDR[0x7E]='I'; |
| 1227 | MATLAB_HDR[0x7F]='M'; |
| 1228 | (void) WriteBlob(image,sizeof(MATLAB_HDR),(unsigned char *) MATLAB_HDR); |
| 1229 | scene=0; |
| 1230 | do |
| 1231 | { |
cristy | af8d391 | 2014-02-21 14:50:33 +0000 | [diff] [blame] | 1232 | (void) TransformImageColorspace(image,sRGBColorspace,exception); |
dirk | f1d8548 | 2015-04-06 00:36:00 +0000 | [diff] [blame] | 1233 | is_gray = SetImageGray(image,exception); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1234 | z = is_gray ? 0 : 3; |
| 1235 | |
| 1236 | /* |
| 1237 | Store MAT header. |
| 1238 | */ |
| 1239 | DataSize = image->rows /*Y*/ * image->columns /*X*/; |
| 1240 | if(!is_gray) DataSize *= 3 /*Z*/; |
| 1241 | padding=((unsigned char)(DataSize-1) & 0x7) ^ 0x7; |
| 1242 | |
| 1243 | (void) WriteBlobLSBLong(image, miMATRIX); |
cristy | f6fe0a1 | 2010-05-30 00:44:47 +0000 | [diff] [blame] | 1244 | (void) WriteBlobLSBLong(image, (unsigned int) DataSize+padding+(is_gray ? 48 : 56)); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1245 | (void) WriteBlobLSBLong(image, 0x6); /* 0x88 */ |
| 1246 | (void) WriteBlobLSBLong(image, 0x8); /* 0x8C */ |
| 1247 | (void) WriteBlobLSBLong(image, 0x6); /* 0x90 */ |
| 1248 | (void) WriteBlobLSBLong(image, 0); |
| 1249 | (void) WriteBlobLSBLong(image, 0x5); /* 0x98 */ |
| 1250 | (void) WriteBlobLSBLong(image, is_gray ? 0x8 : 0xC); /* 0x9C - DimFlag */ |
cristy | f6fe0a1 | 2010-05-30 00:44:47 +0000 | [diff] [blame] | 1251 | (void) WriteBlobLSBLong(image, (unsigned int) image->rows); /* x: 0xA0 */ |
| 1252 | (void) WriteBlobLSBLong(image, (unsigned int) image->columns); /* y: 0xA4 */ |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1253 | if(!is_gray) |
| 1254 | { |
| 1255 | (void) WriteBlobLSBLong(image, 3); /* z: 0xA8 */ |
| 1256 | (void) WriteBlobLSBLong(image, 0); |
| 1257 | } |
| 1258 | (void) WriteBlobLSBShort(image, 1); /* 0xB0 */ |
| 1259 | (void) WriteBlobLSBShort(image, 1); /* 0xB2 */ |
| 1260 | (void) WriteBlobLSBLong(image, 'M'); /* 0xB4 */ |
| 1261 | (void) WriteBlobLSBLong(image, 0x2); /* 0xB8 */ |
cristy | f6fe0a1 | 2010-05-30 00:44:47 +0000 | [diff] [blame] | 1262 | (void) WriteBlobLSBLong(image, (unsigned int) DataSize); /* 0xBC */ |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1263 | |
| 1264 | /* |
| 1265 | Store image data. |
| 1266 | */ |
cristy | 5f766ef | 2014-12-14 21:12:47 +0000 | [diff] [blame] | 1267 | quantum_info=AcquireQuantumInfo(image_info,image); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1268 | if (quantum_info == (QuantumInfo *) NULL) |
| 1269 | ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); |
cristy | b3f97ae | 2015-05-18 12:29:32 +0000 | [diff] [blame] | 1270 | pixels=(unsigned char *) GetQuantumPixels(quantum_info); |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1271 | do |
| 1272 | { |
cristy | bb50337 | 2010-05-27 20:51:26 +0000 | [diff] [blame] | 1273 | for (y=0; y < (ssize_t)image->columns; y++) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1274 | { |
cristy | 1e178e7 | 2011-08-28 19:44:34 +0000 | [diff] [blame] | 1275 | p=GetVirtualPixels(image,y,0,1,image->rows,exception); |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 1276 | if (p == (const Quantum *) NULL) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1277 | break; |
cristy | 4c08aed | 2011-07-01 19:47:50 +0000 | [diff] [blame] | 1278 | (void) ExportQuantumPixels(image,(CacheView *) NULL,quantum_info, |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1279 | z2qtype[z],pixels,exception); |
| 1280 | (void) WriteBlob(image,image->rows,pixels); |
| 1281 | } |
cristy | 1e178e7 | 2011-08-28 19:44:34 +0000 | [diff] [blame] | 1282 | if (SyncAuthenticPixels(image,exception) == MagickFalse) |
cristy | 3ed852e | 2009-09-05 21:47:34 +0000 | [diff] [blame] | 1283 | break; |
| 1284 | } while(z-- >= 2); |
| 1285 | while(padding-->0) (void) WriteBlobByte(image,0); |
| 1286 | quantum_info=DestroyQuantumInfo(quantum_info); |
| 1287 | if (GetNextImageInList(image) == (Image *) NULL) |
| 1288 | break; |
| 1289 | image=SyncNextImageInList(image); |
| 1290 | status=SetImageProgress(image,SaveImagesTag,scene++, |
| 1291 | GetImageListLength(image)); |
| 1292 | if (status == MagickFalse) |
| 1293 | break; |
| 1294 | } while (image_info->adjoin != MagickFalse); |
| 1295 | (void) CloseBlob(image); |
| 1296 | return(MagickTrue); |
| 1297 | } |