1 #include <stdio.h> 2 #include <stdlib.h> 3 #include <wand/MagickWand.h> 4 5 int main(int argc,char **argv) 6 { 7 #define ThrowWandException(wand) \ 8 { \ 9 char \ 10 *description; \ 11 \ 12 ExceptionType \ 13 severity; \ 14 \ 15 description=MagickGetException(wand,&severity); \ 16 (void) fprintf(stderr,"%s %s %lu %s\n",GetMagickModule(),description); \ 17 description=(char *) MagickRelinquishMemory(description); \ 18 exit(-1); \ 19 } 20 21 MagickBooleanType 22 status; 23 24 MagickWand 25 *magick_wand; 26 27 if (argc != 3) 28 { 29 (void) fprintf(stdout,"Usage: %s image thumbnail\n",argv[0]); 30 exit(0); 31 } 32 /* 33 Read an image. 34 */ 35 MagickWandGenesis(); 36 magick_wand=NewMagickWand(); 37 status=MagickReadImage(magick_wand,argv[1]); 38 if (status == MagickFalse) 39 ThrowWandException(magick_wand); 40 /* 41 Turn the images into a thumbnail sequence. 42 */ 43 MagickResetIterator(magick_wand); 44 while (MagickNextImage(magick_wand) != MagickFalse) 45 MagickResizeImage(magick_wand,106,80,LanczosFilter,1.0); 46 /* 47 Write the image then destroy it. 48 */ 49 status=MagickWriteImages(magick_wand,argv[2],MagickTrue); 50 if (status == MagickFalse) 51 ThrowWandException(magick_wand); 52 magick_wand=DestroyMagickWand(magick_wand); 53 MagickWandTerminus(); 54 return(0); 55 } 56
