src/main.cpp

   1 #include "main.h"
   2 #include <unistd.h> // Because we can.
   3 #include "stb_truetype.h"
   4 int main(int argc, char ** argv)
   5 {
   6         #ifndef __STDC_IEC_559__
   7         Warn("__STDC_IEC_559__ not defined. IEEE 754 floating point not fully supported.\n");
   8         #endif
   9
  10
  11         Debug("Compiled with REAL = %d => \"%s\" sizeof(Real) == %d bytes", REAL, g_real_name[REAL], sizeof(Real));
  12
  13         Document doc;
  14         srand(time(NULL));
  15
  16         enum {OUTPUT_TO_BMP, LOOP} mode = LOOP;
  17
  18
  19         Colour c(0,0,0,1);
  20         const char * input_bmp = NULL;
  21         const char * output_bmp = NULL;
  22         const char * input_filename = NULL;
  23         float b[4] = {0,0,1,1};
  24
  25         int i = 0;
  26         while (++i < argc)
  27         {
  28                 if (argv[i][0] != '-')
  29                 {
  30                         input_filename = argv[i];
  31                         continue;
  32                 }
  33                 switch (argv[i][1])
  34                 {
  35                         case 'o':
  36                                 mode = OUTPUT_TO_BMP;
  37                                 if (++i >= argc)
  38                                         Fatal("No input argument following -o switch");
  39                                 input_bmp = argv[i];
  40                                 if (++i >= argc)
  41                                         Fatal("No output argument following -o switch");
  42                                 output_bmp = argv[i];
  43
  44                                 break;
  45                         case 'c':
  46                         {
  47                                 Debug("Reading paint colour");
  48                                 for (int j = 1; j <= 4; ++j)
  49                                 {
  50                                         if (i+j >= argc)
  51                                                 Fatal("No %d colour component following -c switch", j);
  52                                         char * e;
  53                                         float * comp = (j == 1) ? (&c.r) : ((j == 2) ? (&c.g) : ((j == 3) ? (&c.b) : &(c.a)));
  54                                         *comp = strtof(argv[i+j], &e);
  55                                         if (*e != '\0')
  56                                                 Fatal("Colour component %d not a valid float", j);
  57                                 }
  58                                 i += 4;
  59                                 break;
  60                         }
  61                         case 'b':
  62                         {
  63                                 Debug("Reading view bounds");
  64                                 for (int j = 1; j <= 4; ++j)
  65                                 {
  66                                         if (i+j >= argc)
  67                                                 Fatal("No %d bounds component following -b switch", j);
  68                                         char * e;
  69                                         b[j-1] = strtof(argv[i+j], &e);
  70                                         if (*e != '\0')
  71                                                 Fatal("Bounds component %d not a valid float", j);
  72                                 }
  73                                 i += 4;
  74                                 break;
  75                         }
  76                 }
  77         }
  78
  79         if (input_filename != NULL)
  80         {
  81                 doc.LoadSVG(input_filename);
  82         }
  83         else
  84         {
  85 /*              doc.AddBezierData(Bezier(0,0,0,1,1,0));
  86                 doc.AddBezierData(Bezier(0,0,1,0,0,1));
  87                 doc.AddBezierData(Bezier(0,0,1,1,1,0));
  88                 doc.AddBezierData(Bezier(0,1,1,0,0,1));*/
  89
  90                 stbtt_fontinfo font;
  91                 FILE *font_file = fopen("DejaVuSansMono.ttf", "rb");
  92                 fseek(font_file, 0, SEEK_END);
  93                 size_t font_file_size = ftell(font_file);
  94                 fseek(font_file, 0, SEEK_SET);
  95                 unsigned char *font_file_data = (unsigned char*)malloc(font_file_size);
  96                 SDL_assert(fread(font_file_data, 1, font_file_size, font_file) == font_file_size);
  97                 fclose(font_file);
  98                 stbtt_InitFont(&font, font_file_data, 0);
  99
 100                 float font_scale = stbtt_ScaleForPixelHeight(&font, 1);
 101                 doc.AddFontGlyphAtPoint(&font,'a', Real(font_scale), Real(0), Real(1));
 102                 doc.AddFontGlyphAtPoint(&font,'b', Real(font_scale), Real(0.5), Real(1));
 103                 doc.AddFontGlyphAtPoint(&font,'c', Real(font_scale), Real(1), Real(1));
 104                 doc.AddFontGlyphAtPoint(&font,'d', Real(font_scale), Real(1.5), Real(1));
 105
 106                 free(font_file_data);
 107
 108
 109                 for(int x = 0; x < 8; ++x)
 110                 {
 111
 112                         for (int y = 0; y < 8; ++y)
 113                         {
 114                                 //doc.Add(static_cast<IPDF::ObjectType>((x^y)%3), Rect(0.2+x-4.0,0.2+y-4.0,0.6,0.6));
 115                                 //doc.Add(BEZIER, Rect(0.2+x-4.0, 0.2+y-4.0, 0.6,0.6), (x^y)%3);
 116                         }
 117                 }
 118         /*      doc.Add(BEZIER, Rect(0.1,0.1,0.8,0.8), 0);
 119                 doc.Add(BEZIER, Rect(0.1,0.1,0.8,0.8), 1);
 120                 doc.Add(BEZIER, Rect(0.1,0.1,0.8,0.8), 2);
 121                 doc.Add(BEZIER, Rect(0.1,0.1,0.8,0.8), 3);*/
 122                 //doc.Add(CIRCLE_FILLED, Rect(0.1,0.1,0.8,0.8), 0);
 123         }
 124         Debug("Start!");
 125         Rect bounds(b[0],b[1],b[2],b[3]);
 126
 127         if (mode == LOOP)
 128                 MainLoop(doc, bounds, c);
 129         else if (mode == OUTPUT_TO_BMP)
 130                 OverlayBMP(doc, input_bmp, output_bmp, bounds, c);
 131         return 0;
 132 }