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