src/main.cpp

   1 #include "main.h"
   2 #include <unistd.h> // Because we can.
   3
   4 #include "controlpanel.h"
   5
   6 #ifndef _GNU_SOURCE
   7 #define _GNU_SOURCE
   8 #endif
   9 #include <fenv.h>
  10
  11
  12 int main(int argc, char ** argv)
  13 {
  14         #ifndef __STDC_IEC_559__
  15         Warn("__STDC_IEC_559__ not defined. IEEE 754 floating point not fully supported.\n");
  16         #endif
  17
  18         // We want to crash if we ever get a NaN.
  19         feenableexcept(FE_DIVBYZERO | FE_INVALID | FE_OVERFLOW);
  20
  21         Debug("Compiled with REAL = %d => \"%s\" sizeof(Real) == %d bytes", REAL, g_real_name[REAL], sizeof(Real));
  22
  23         Document doc("","fonts/ComicSans.ttf");
  24         srand(time(NULL));
  25
  26         enum {OUTPUT_TO_BMP, LOOP} mode = LOOP;
  27
  28
  29         Colour c(0,0,0,1);
  30         const char * input_bmp = NULL;
  31         const char * output_bmp = NULL;
  32         const char * input_filename = NULL;
  33         float b[4] = {0,0,1,1};
  34
  35         int i = 0;
  36         while (++i < argc)
  37         {
  38                 if (argv[i][0] != '-')
  39                 {
  40                         input_filename = argv[i];
  41                         continue;
  42                 }
  43                 switch (argv[i][1])
  44                 {
  45                         case 'o':
  46                                 mode = OUTPUT_TO_BMP;
  47                                 if (++i >= argc)
  48                                         Fatal("No input argument following -o switch");
  49                                 input_bmp = argv[i];
  50                                 if (++i >= argc)
  51                                         Fatal("No output argument following -o switch");
  52                                 output_bmp = argv[i];
  53
  54                                 break;
  55                         case 'c':
  56                         {
  57                                 Debug("Reading paint colour");
  58                                 for (int j = 1; j <= 4; ++j)
  59                                 {
  60                                         if (i+j >= argc)
  61                                                 Fatal("No %d colour component following -c switch", j);
  62                                         char * e;
  63                                         float * comp = (j == 1) ? (&c.r) : ((j == 2) ? (&c.g) : ((j == 3) ? (&c.b) : &(c.a)));
  64                                         *comp = strtof(argv[i+j], &e);
  65                                         if (*e != '\0')
  66                                                 Fatal("Colour component %d not a valid float", j);
  67                                 }
  68                                 i += 4;
  69                                 break;
  70                         }
  71                         case 'b':
  72                         {
  73                                 Debug("Reading view bounds");
  74                                 for (int j = 1; j <= 4; ++j)
  75                                 {
  76                                         if (i+j >= argc)
  77                                                 Fatal("No %d bounds component following -b switch", j);
  78                                         char * e;
  79                                         b[j-1] = strtof(argv[i+j], &e);
  80                                         if (*e != '\0')
  81                                                 Fatal("Bounds component %d not a valid float", j);
  82                                 }
  83                                 i += 4;
  84                                 break;
  85                         }
  86                 }
  87         }
  88
  89         if (input_filename != NULL)
  90         {
  91                 doc.LoadSVG(input_filename, Rect(0,0,Real(1)/Real(800),Real(1)/Real(600)));
  92         }
  93         else
  94         {
  95                 doc.Add(RECT_OUTLINE, Rect(0,0,0,0),0); // hack to stop segfault if document is empty (:S)
  96         }
  97         Debug("Start!");
  98         Rect bounds(b[0],b[1],b[2],b[3]);
  99
 100         Screen scr;
 101         View view(doc,scr, bounds);
 102
 103         #ifndef CONTROLPANEL_DISABLED
 104                 ControlPanel::RunArgs args = {argc, argv, view, doc, scr};
 105                 SDL_Thread * cp_thread = SDL_CreateThread(ControlPanel::Run, "ControlPanel", &args);
 106                 if (cp_thread == NULL)
 107                 {
 108                         Error("Couldn't create ControlPanel thread: %s", SDL_GetError());
 109                 }
 110         #endif //CONTROLPANEL_DISABLED
 111
 112         if (mode == LOOP)
 113                 MainLoop(doc, scr, view);
 114         else if (mode == OUTPUT_TO_BMP) //TODO: Remove this shit
 115                 OverlayBMP(doc, input_bmp, output_bmp, bounds, c);
 116
 117         #ifndef CONTROLPANEL_DISABLED
 118
 119                 if (cp_thread != NULL)
 120                 {
 121                         int cp_return;
 122                         qApp->quit(); // will close the control panel
 123                         // (seems to not explode if the qApp has already been quit)
 124                         SDL_WaitThread(cp_thread, &cp_return);
 125                         Debug("ControlPanel thread returned %d", cp_return);
 126                 }
 127         #endif //CONTROLPANEL_DISABLED
 128         return 0;
 129 }