1/* 2%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 3% % 4% % 5% % 6% U U IIIII L % 7% U U I L % 8% U U I L % 9% U U I L % 10% UUU IIIII LLLLL % 11% % 12% % 13% Write X-Motif UIL Table. % 14% % 15% Software Design % 16% Cristy % 17% July 1992 % 18% % 19% % 20% Copyright 1999-2016 ImageMagick Studio LLC, a non-profit organization % 21% dedicated to making software imaging solutions freely available. % 22% % 23% You may not use this file except in compliance with the License. You may % 24% obtain a copy of the License at % 25% % 26% http://www.imagemagick.org/script/license.php % 27% % 28% Unless required by applicable law or agreed to in writing, software % 29% distributed under the License is distributed on an "AS IS" BASIS, % 30% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. % 31% See the License for the specific language governing permissions and % 32% limitations under the License. % 33% % 34%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 35% 36% 37*/ 38 39/* 40 Include declarations. 41*/ 42#include "MagickCore/studio.h" 43#include "MagickCore/attribute.h" 44#include "MagickCore/blob.h" 45#include "MagickCore/blob-private.h" 46#include "MagickCore/cache.h" 47#include "MagickCore/color.h" 48#include "MagickCore/color-private.h" 49#include "MagickCore/colorspace.h" 50#include "MagickCore/colorspace-private.h" 51#include "MagickCore/exception.h" 52#include "MagickCore/exception-private.h" 53#include "MagickCore/image-private.h" 54#include "MagickCore/magick.h" 55#include "MagickCore/memory_.h" 56#include "MagickCore/monitor.h" 57#include "MagickCore/monitor-private.h" 58#include "MagickCore/pixel-accessor.h" 59#include "MagickCore/quantum-private.h" 60#include "MagickCore/static.h" 61#include "MagickCore/string_.h" 62#include "MagickCore/module.h" 63#include "MagickCore/utility.h" 64 65/* 66 Forward declarations. 67*/ 68static MagickBooleanType 69 WriteUILImage(const ImageInfo *,Image *,ExceptionInfo *); 70 71/* 72%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 73% % 74% % 75% % 76% R e g i s t e r U I L I m a g e % 77% % 78% % 79% % 80%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 81% 82% RegisterUILImage() adds attributes for the UIL image format to 83% the list of supported formats. The attributes include the image format 84% tag, a method to read and/or write the format, whether the format 85% supports the saving of more than one frame to the same file or blob, 86% whether the format supports native in-memory I/O, and a brief 87% description of the format. 88% 89% The format of the RegisterUILImage method is: 90% 91% size_t RegisterUILImage(void) 92% 93*/ 94ModuleExport size_t RegisterUILImage(void) 95{ 96 MagickInfo 97 *entry; 98 99 entry=AcquireMagickInfo("UIL","UIL","X-Motif UIL table"); 100 entry->encoder=(EncodeImageHandler *) WriteUILImage; 101 entry->flags^=CoderAdjoinFlag; 102 (void) RegisterMagickInfo(entry); 103 return(MagickImageCoderSignature); 104} 105 106/* 107%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 108% % 109% % 110% % 111% U n r e g i s t e r U I L I m a g e % 112% % 113% % 114% % 115%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 116% 117% UnregisterUILImage() removes format registrations made by the 118% UIL module from the list of supported formats. 119% 120% The format of the UnregisterUILImage method is: 121% 122% UnregisterUILImage(void) 123% 124*/ 125ModuleExport void UnregisterUILImage(void) 126{ 127 (void) UnregisterMagickInfo("UIL"); 128} 129 130/* 131%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 132% % 133% % 134% % 135% W r i t e U I L I m a g e % 136% % 137% % 138% % 139%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 140% 141% Procedure WriteUILImage() writes an image to a file in the X-Motif UIL table 142% format. 143% 144% The format of the WriteUILImage method is: 145% 146% MagickBooleanType WriteUILImage(const ImageInfo *image_info, 147% Image *image,ExceptionInfo *exception) 148% 149% A description of each parameter follows. 150% 151% o image_info: the image info. 152% 153% o image: The image. 154% 155% o exception: return any errors or warnings in this structure. 156% 157*/ 158static MagickBooleanType WriteUILImage(const ImageInfo *image_info,Image *image, 159 ExceptionInfo *exception) 160{ 161#define MaxCixels 92 162 163 char 164 basename[MagickPathExtent], 165 buffer[MagickPathExtent], 166 name[MagickPathExtent], 167 *symbol; 168 169 int 170 j; 171 172 MagickBooleanType 173 status, 174 transparent; 175 176 MagickSizeType 177 number_pixels; 178 179 PixelInfo 180 pixel; 181 182 register const Quantum 183 *p; 184 185 register ssize_t 186 i, 187 x; 188 189 size_t 190 characters_per_pixel, 191 colors; 192 193 ssize_t 194 k, 195 y; 196 197 static const char 198 Cixel[MaxCixels+1] = " .XoO+@#$%&*=-;:>,<1234567890qwertyuipasdfghjk" 199 "lzxcvbnmMNBVCZASDFGHJKLPIUYTREWQ!~^/()_`'][{}|"; 200 201 /* 202 Open output image file. 203 */ 204 assert(image_info != (const ImageInfo *) NULL); 205 assert(image_info->signature == MagickCoreSignature); 206 assert(image != (Image *) NULL); 207 assert(image->signature == MagickCoreSignature); 208 if (image->debug != MagickFalse) 209 (void) LogMagickEvent(TraceEvent,GetMagickModule(),"%s",image->filename); 210 assert(exception != (ExceptionInfo *) NULL); 211 assert(exception->signature == MagickCoreSignature); 212 status=OpenBlob(image_info,image,WriteBinaryBlobMode,exception); 213 if (status == MagickFalse) 214 return(status); 215 (void) TransformImageColorspace(image,sRGBColorspace,exception); 216 transparent=MagickFalse; 217 i=0; 218 p=(const Quantum *) NULL; 219 if (image->storage_class == PseudoClass) 220 colors=image->colors; 221 else 222 { 223 unsigned char 224 *matte_image; 225 226 /* 227 Convert DirectClass to PseudoClass image. 228 */ 229 matte_image=(unsigned char *) NULL; 230 if (image->alpha_trait != UndefinedPixelTrait) 231 { 232 /* 233 Map all the transparent pixels. 234 */ 235 number_pixels=(MagickSizeType) image->columns*image->rows; 236 if (number_pixels != ((MagickSizeType) (size_t) number_pixels)) 237 ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 238 matte_image=(unsigned char *) AcquireQuantumMemory(image->columns, 239 image->rows*sizeof(*matte_image)); 240 if (matte_image == (unsigned char *) NULL) 241 ThrowWriterException(ResourceLimitError,"MemoryAllocationFailed"); 242 for (y=0; y < (ssize_t) image->rows; y++) 243 { 244 p=GetVirtualPixels(image,0,y,image->columns,1,exception); 245 if (p == (const Quantum *) NULL) 246 break; 247 for (x=0; x < (ssize_t) image->columns; x++) 248 { 249 matte_image[i]=(unsigned char) (GetPixelAlpha(image,p) == 250 (Quantum) TransparentAlpha ? 1 : 0); 251 if (matte_image[i] != 0) 252 transparent=MagickTrue; 253 i++; 254 p+=GetPixelChannels(image); 255 } 256 } 257 } 258 (void) SetImageType(image,PaletteType,exception); 259 colors=image->colors; 260 if (transparent != MagickFalse) 261 { 262 register Quantum 263 *q; 264 265 colors++; 266 for (y=0; y < (ssize_t) image->rows; y++) 267 { 268 q=GetAuthenticPixels(image,0,y,image->columns,1,exception); 269 if (q == (Quantum *) NULL) 270 break; 271 for (x=0; x < (ssize_t) image->columns; x++) 272 { 273 if (matte_image[i] != 0) 274 SetPixelIndex(image,(Quantum) image->colors,q); 275 q+=GetPixelChannels(image); 276 } 277 } 278 } 279 if (matte_image != (unsigned char *) NULL) 280 matte_image=(unsigned char *) RelinquishMagickMemory(matte_image); 281 } 282 /* 283 Compute the character per pixel. 284 */ 285 characters_per_pixel=1; 286 for (k=MaxCixels; (ssize_t) colors > k; k*=MaxCixels) 287 characters_per_pixel++; 288 /* 289 UIL header. 290 */ 291 symbol=AcquireString(""); 292 (void) WriteBlobString(image,"/* UIL */\n"); 293 GetPathComponent(image->filename,BasePath,basename); 294 (void) FormatLocaleString(buffer,MagickPathExtent, 295 "value\n %s_ct : color_table(\n",basename); 296 (void) WriteBlobString(image,buffer); 297 GetPixelInfo(image,&pixel); 298 for (i=0; i < (ssize_t) colors; i++) 299 { 300 /* 301 Define UIL color. 302 */ 303 pixel=image->colormap[i]; 304 pixel.colorspace=sRGBColorspace; 305 pixel.depth=8; 306 pixel.alpha=(double) OpaqueAlpha; 307 GetColorTuple(&pixel,MagickTrue,name); 308 if (transparent != MagickFalse) 309 if (i == (ssize_t) (colors-1)) 310 (void) CopyMagickString(name,"None",MagickPathExtent); 311 /* 312 Write UIL color. 313 */ 314 k=i % MaxCixels; 315 symbol[0]=Cixel[k]; 316 for (j=1; j < (int) characters_per_pixel; j++) 317 { 318 k=((i-k)/MaxCixels) % MaxCixels; 319 symbol[j]=Cixel[k]; 320 } 321 symbol[j]='\0'; 322 (void) SubstituteString(&symbol,"'","''"); 323 if (LocaleCompare(name,"None") == 0) 324 (void) FormatLocaleString(buffer,MagickPathExtent, 325 " background color = '%s'",symbol); 326 else 327 (void) FormatLocaleString(buffer,MagickPathExtent, 328 " color('%s',%s) = '%s'",name, 329 GetPixelInfoIntensity(image,image->colormap+i) < 330 (QuantumRange/2.0) ? "background" : "foreground",symbol); 331 (void) WriteBlobString(image,buffer); 332 (void) FormatLocaleString(buffer,MagickPathExtent,"%s", 333 (i == (ssize_t) (colors-1) ? ");\n" : ",\n")); 334 (void) WriteBlobString(image,buffer); 335 } 336 /* 337 Define UIL pixels. 338 */ 339 GetPathComponent(image->filename,BasePath,basename); 340 (void) FormatLocaleString(buffer,MagickPathExtent, 341 " %s_icon : icon(color_table = %s_ct,\n",basename,basename); 342 (void) WriteBlobString(image,buffer); 343 for (y=0; y < (ssize_t) image->rows; y++) 344 { 345 p=GetVirtualPixels(image,0,y,image->columns,1,exception); 346 if (p == (const Quantum *) NULL) 347 break; 348 (void) WriteBlobString(image," \""); 349 for (x=0; x < (ssize_t) image->columns; x++) 350 { 351 k=((ssize_t) GetPixelIndex(image,p) % MaxCixels); 352 symbol[0]=Cixel[k]; 353 for (j=1; j < (int) characters_per_pixel; j++) 354 { 355 k=(((int) GetPixelIndex(image,p)-k)/MaxCixels) % 356 MaxCixels; 357 symbol[j]=Cixel[k]; 358 } 359 symbol[j]='\0'; 360 (void) CopyMagickString(buffer,symbol,MagickPathExtent); 361 (void) WriteBlobString(image,buffer); 362 p+=GetPixelChannels(image); 363 } 364 (void) FormatLocaleString(buffer,MagickPathExtent,"\"%s\n", 365 (y == (ssize_t) (image->rows-1) ? ");" : ",")); 366 (void) WriteBlobString(image,buffer); 367 status=SetImageProgress(image,SaveImageTag,(MagickOffsetType) y, 368 image->rows); 369 if (status == MagickFalse) 370 break; 371 } 372 symbol=DestroyString(symbol); 373 (void) CloseBlob(image); 374 return(MagickTrue); 375} 376