src/main.cpp

   1 #include "main.h"
   2 #include <unistd.h> // Because we can.
   3 int main(int argc, char ** argv)
   4 {
   5         #ifndef __STDC_IEC_559__
   6         Warn("__STDC_IEC_559__ not defined. IEEE 754 floating point not fully supported.\n");
   7         #endif
   8
   9
  10         Debug("Compiled with REAL = %d => \"%s\" sizeof(Real) == %d bytes", REAL, g_real_name[REAL], sizeof(Real));
  11
  12         Document doc;
  13         srand(time(NULL));
  14
  15         enum {OUTPUT_TO_BMP, LOOP} mode = LOOP;
  16
  17
  18         Colour c(0,0,0,1);
  19         const char * input_bmp = NULL;
  20         const char * output_bmp = NULL;
  21         const char * input_filename = NULL;
  22         float b[4] = {0,0,1,1};
  23
  24         int i = 0;
  25         while (++i < argc)
  26         {
  27                 if (argv[i][0] != '-')
  28                 {
  29                         input_filename = argv[i];
  30                         continue;
  31                 }
  32                 switch (argv[i][1])
  33                 {
  34                         case 'o':
  35                                 mode = OUTPUT_TO_BMP;
  36                                 if (++i >= argc)
  37                                         Fatal("No input argument following -o switch");
  38                                 input_bmp = argv[i];
  39                                 if (++i >= argc)
  40                                         Fatal("No output argument following -o switch");
  41                                 output_bmp = argv[i];
  42
  43                                 break;
  44                         case 'c':
  45                         {
  46                                 Debug("Reading paint colour");
  47                                 for (int j = 1; j <= 4; ++j)
  48                                 {
  49                                         if (i+j >= argc)
  50                                                 Fatal("No %d colour component following -c switch", j);
  51                                         char * e;
  52                                         float * comp = (j == 1) ? (&c.r) : ((j == 2) ? (&c.g) : ((j == 3) ? (&c.b) : &(c.a)));
  53                                         *comp = strtof(argv[i+j], &e);
  54                                         if (*e != '\0')
  55                                                 Fatal("Colour component %d not a valid float", j);
  56                                 }
  57                                 i += 4;
  58                                 break;
  59                         }
  60                         case 'b':
  61                         {
  62                                 Debug("Reading view bounds");
  63                                 for (int j = 1; j <= 4; ++j)
  64                                 {
  65                                         if (i+j >= argc)
  66                                                 Fatal("No %d bounds component following -b switch", j);
  67                                         char * e;
  68                                         b[j-1] = strtof(argv[i+j], &e);
  69                                         if (*e != '\0')
  70                                                 Fatal("Bounds component %d not a valid float", j);
  71                                 }
  72                                 i += 4;
  73                                 break;
  74                         }
  75                 }
  76         }
  77
  78         if (input_filename != NULL)
  79         {
  80                 doc.Load(input_filename);
  81         }
  82         else
  83         {
  84                 for(int x = 0; x < 8; ++x)
  85                 {
  86                         for (int y = 0; y < 8; ++y)
  87                         {
  88                                 doc.Add(static_cast<IPDF::ObjectType>((x^y)%3), Rect(0.2+x-4.0,0.2+y-4.0,0.6,0.6));
  89                         }
  90                 }
  91
  92         }
  93         Rect bounds(b[0],b[1],b[2],b[3]);
  94
  95         if (mode == LOOP)
  96                 MainLoop(doc, bounds, c);
  97         else if (mode == OUTPUT_TO_BMP)
  98                 OverlayBMP(doc, input_bmp, output_bmp, bounds, c);
  99         return 0;
 100 }