graphicsmagick_c/examples/convert.d

   1 /* Copyright (C) GraphicsMagick Group 2002 - 2022 */
   2 import core.stdc.stdio;
   3 import core.stdc.string;
   4
   5 import graphicsmagick_c.config;
   6 import graphicsmagick_c.magick;
   7
   8 extern (C) int main(int argc, char** argv)
   9 {
  10     Image* image = null;
  11
  12     char[MaxTextExtent] infile;
  13     char[MaxTextExtent] outfile;
  14
  15     int arg = 1;
  16     int exit_status = 0;
  17
  18     ImageInfo* imageInfo;
  19
  20     ExceptionInfo exception;
  21
  22     version(GMagick_Static) {}
  23         else {
  24                 void* libgm;
  25
  26                 bool success = loadGraphicsMagick(libgm);
  27                 if (success) {
  28                         puts("Successfully loaded GraphicsMagick!\n");
  29                 } else {
  30                         puts("Loaded GraphicsMagick with some errors!\n");
  31                 }
  32         }
  33
  34     InitializeMagick(null);
  35     imageInfo = CloneImageInfo(null);
  36     GetExceptionInfo(&exception);
  37
  38     if (argc != 3) {
  39         fprintf(stderr, "Usage: %s infile outfile\n", argv[0]);
  40         fflush(stderr);
  41         exit_status = 0;
  42         goto program_exit;
  43     }
  44
  45     // array.ptr and &array[0] are the same thing
  46     strncpy(infile.ptr, argv[arg], MaxTextExtent-1);
  47     arg++;
  48     strncpy(&outfile[0], argv[arg], MaxTextExtent-1);
  49
  50     strcpy(imageInfo.filename.ptr, infile.ptr);
  51     image = ReadImage(imageInfo, &exception);
  52     if (image is null) {
  53         CatchException(&exception);
  54         exit_status = 1;
  55         goto program_exit;
  56     }
  57
  58     strcpy(image.filename.ptr, outfile.ptr);
  59     if (!WriteImage(imageInfo, image)) {
  60         CatchException(&exception);
  61         exit_status = 1;
  62         goto program_exit;
  63     }
  64
  65 program_exit:
  66
  67     if (image !is null)
  68         DestroyImage(image);
  69
  70     if (imageInfo !is null)
  71         DestroyImageInfo(imageInfo);
  72
  73     DestroyMagick();
  74
  75     return exit_status;
  76 }