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 #include <signal.h>
  11
  12 bool ignore_sigfpe = false;
  13 const char *script_filename;
  14
  15 void sigfpe_handler(int sig)
  16 {
  17         if (!ignore_sigfpe)
  18                 Fatal("Floating point exception!");
  19         exit(EXIT_SUCCESS);
  20 }
  21
  22 int main(int argc, char ** argv)
  23 {
  24         //Debug("Main!");
  25         signal(SIGFPE, sigfpe_handler);
  26         #if REALTYPE == REAL_IRRAM
  27           iRRAM_initialize(argc,argv);
  28         #endif
  29
  30         #ifndef __STDC_IEC_559__
  31         Warn("__STDC_IEC_559__ not defined. IEEE 754 floating point not fully supported.\n");
  32         #endif
  33
  34         // We want to crash if we ever get a NaN.
  35         // AH, so *this* is where that got enabled, I was looking for compiler flags
  36         #ifndef __MINGW32__
  37         feenableexcept(FE_DIVBYZERO | FE_INVALID | FE_OVERFLOW);
  38         #endif
  39
  40         DebugRealInfo();
  41
  42         Document doc("","fonts/ComicSans.ttf");
  43         srand(time(NULL));
  44
  45         enum {OUTPUT_TO_BMP, LOOP} mode = LOOP;
  46
  47
  48         Colour c(0,0,0,1);
  49
  50         const char * output_bmp = NULL;
  51         const char * input_filename = NULL;
  52         const char * input_text = NULL;
  53         Real b[4] = {0,0,1,1};
  54         int max_frames = -1;
  55         bool hide_control_panel = false;
  56         bool lazy_rendering = true;
  57         bool window_visible = true;
  58         bool gpu_transform = true;
  59         bool gpu_rendering = true;
  60
  61
  62
  63         int i = 0;
  64         while (++i < argc)
  65         {
  66                 if (argv[i][0] != '-')
  67                 {
  68                         input_filename = argv[i];
  69                         continue;
  70                 }
  71                 switch (argv[i][1])
  72                 {
  73                         case 'o':
  74                                 mode = OUTPUT_TO_BMP;
  75                                 if (++i >= argc)
  76                                         Fatal("No output argument following -o switch");
  77                                 output_bmp = argv[i];
  78                                 hide_control_panel = true;
  79                                 break;
  80                         case 'b':
  81                         {
  82                                 Debug("Reading view bounds");
  83                                 for (int j = 1; j <= 4; ++j)
  84                                 {
  85                                         if (i+j >= argc)
  86                                                 Fatal("No %d bounds component following -b switch", j);
  87                                         b[j-1] = RealFromStr(argv[i+j]);
  88                                 }
  89                                 i += 4;
  90                                 break;
  91                         }
  92                         case 't':
  93                         {
  94                                 if (++i >= argc)
  95                                         Fatal("No text input following -t switch");
  96                                 input_text = argv[i];
  97                                 Debug("Insert text: %s", input_text);
  98                                 break;
  99                         }
 100
 101                         case 'r':
 102                         {
 103                                 if (++i >= argc)
 104                                         Fatal("Expected \"gpu\" or \"cpu\" after -r switch");
 105                                 if (strcmp(argv[i], "gpu") == 0)
 106                                 {
 107                                         gpu_rendering = true;
 108                                 }
 109                                 else if (strcmp(argv[i], "cpu") == 0)
 110                                 {
 111                                         gpu_rendering = false;
 112                                 }
 113                                 else
 114                                 {
 115                                         Fatal("Expected \"gpu\" or \"cpu\" after -r switch, not \"%s\"", argv[i]);
 116                                 }
 117                                 break;
 118                         }
 119
 120                         case 'T':
 121                         {
 122                                 if (++i >= argc)
 123                                         Fatal("Expected \"gpu\" or \"cpu\" after -T switch");
 124                                 if (strcmp(argv[i], "gpu") == 0)
 125                                 {
 126                                         gpu_transform = true;
 127                                 }
 128                                 else if (strcmp(argv[i], "cpu") == 0)
 129                                 {
 130                                         gpu_transform = false;
 131                                 }
 132                                 else
 133                                 {
 134                                         Fatal("Expected \"gpu\" or \"cpu\" after -T switch, not \"%s\"", argv[i]);
 135                                 }
 136                                 break;
 137                         }
 138
 139
 140                         case 'l':
 141                                 lazy_rendering = !lazy_rendering;
 142                                 break;
 143
 144                         case 'f':
 145                                 if (++i >= argc)
 146                                         Fatal("No frame number following -f switch");
 147                                 max_frames = strtol(argv[i], NULL, 10);
 148                                 hide_control_panel = true;
 149                                 break;
 150
 151                         case 'q':
 152                                 hide_control_panel = true;
 153                                 break;
 154
 155                         case 'Q':
 156                                 hide_control_panel = true;
 157                                 window_visible = !window_visible;
 158                                 break;
 159                         case 's':
 160                                 hide_control_panel = true;
 161                                 if (++i >= argc)
 162                                         Fatal("Expected filename after -s switch");
 163                                 script_filename = argv[i];
 164                                 break;
 165                 }
 166         }
 167
 168         Rect bounds(b[0],b[1],b[2],b[3]);
 169         Screen scr(window_visible);
 170         View view(doc,scr, bounds);
 171
 172         view.SetLazyRendering(lazy_rendering);
 173         view.SetGPURendering(gpu_rendering);
 174         view.SetGPUTransform(gpu_transform);
 175
 176         if (input_filename != NULL)
 177         {
 178                 #ifdef TRANSFORM_OBJECTS_NOT_VIEW
 179                         doc.LoadSVG(input_filename, Rect(Real(1)/Real(2),Real(1)/Real(2),Real(1)/Real(800),Real(1)/Real(600)));
 180                 #else
 181                         doc.LoadSVG(input_filename, Rect(bounds.x+bounds.w/Real(2),bounds.y+bounds.h/Real(2),bounds.w/Real(800),bounds.h/Real(600)));
 182                 #endif
 183         }
 184         else if (input_text != NULL)
 185         {
 186                 doc.AddText(input_text, bounds.h/Real(2), bounds.x, bounds.y+bounds.h/Real(2));
 187         }
 188
 189
 190
 191         #ifndef CONTROLPANEL_DISABLED
 192         if (!scr.Valid()) hide_control_panel = true;
 193         SDL_Thread * cp_thread = NULL;
 194         if (!hide_control_panel)
 195         {
 196                 ControlPanel::RunArgs args = {argc, argv, view, doc, scr};
 197                 cp_thread = SDL_CreateThread(ControlPanel::Run, "ControlPanel", &args);
 198                 if (cp_thread == NULL)
 199                 {
 200                         Error("Couldn't create ControlPanel thread: %s", SDL_GetError());
 201                 }
 202         }
 203         #else //CONTROLPANEL_DISABLED
 204                 Debug("No control panel, hide_control_panel is %d", hide_control_panel);
 205         #endif
 206
 207         if (mode == LOOP)
 208                 MainLoop(doc, scr, view, max_frames);
 209         else if (mode == OUTPUT_TO_BMP)
 210         {
 211                 view.SaveBMP(output_bmp);
 212         }
 213
 214         #ifndef CONTROLPANEL_DISABLED
 215                 if (cp_thread != NULL)
 216                 {
 217                         int cp_return;
 218                         qApp->quit(); // will close the control panel
 219                         // (seems to not explode if the qApp has already been quit)
 220                         SDL_WaitThread(cp_thread, &cp_return);
 221                         Debug("ControlPanel thread returned %d", cp_return);
 222                 }
 223         #endif //CONTROLPANEL_DISABLED
 224
 225         ignore_sigfpe = true;
 226         return 0;
 227 }