cairo.c.toonew

   1 #include "sgc.h"
   2
   3 void drawPitchTier(cairo_t *cr, gchar *filename, gint width, gint height, gdouble top) {
   4         gchar *contents;
   5         GError *error = NULL;
   6         gsize length;
   7         g_debug("%s welcomes %s!", __func__, filename);
   8
   9         if (g_access(path, F_OK) == 0) {
  10                 structMelderFile file;
  11                 Pitch melderPitchFromFile;
  12 #ifdef MINGW
  13                 __declspec(dllimport) Pitch_Table classPitch;
  14 #endif
  15                 Thing_recognizeClassesByName (classPitch, NULL);
  16                 Melder_pathToFile(path, & file);
  17                 melderPitchFromFile = Data_readFromTextFile (& file);
  18
  19                 if (melderPitchFromFile != NULL) {
  20                         forget(melderPitchFromFile);
  21                 }
  22
  23
  24         }
  25         Melder_clearError ();
  26
  27
  28         if (g_file_get_contents(filename, &contents, &length, &error) != TRUE) {
  29                 //              g_warning("HET PROBLEEM ZIT IN HET INLEZEN VAN HET %s BESTAND!!!!!\n", filename);
  30                 g_warning("%s\n", error->message);
  31                 g_error_free(error);
  32         } else {
  33                 gdouble scalex = 0, scaley = 0;
  34                 gdouble fromx = 0;
  35                 gdouble middlex = 0;
  36                 gdouble endx = 0;
  37                 gdouble fromy = 0;
  38                 gdouble middley = 0;
  39                 gsize i = 0;
  40                 gsize j = 0;
  41                 gsize m = 0;
  42                 int pointloc = 0;
  43                 while (i < length) {
  44                         if (contents[i] == '\n') {
  45                                 gchar * this = g_strndup(&contents[m], i-m);
  46                                 switch ( j ) {
  47                                         case 0:
  48                                         case 1:
  49                                         case 2:
  50                                         case 3:
  51                                                 fromx = g_strtod(this, NULL);
  52                                                 j++;
  53                                                 break;
  54                                         case 4:
  55                                                 endx  = g_strtod(this, NULL);
  56                                                 scalex = width / endx;
  57                                                 scaley = height / top;
  58                                                 cairo_move_to(cr, fromx*scalex, 0);
  59                                         case 5:
  60                                                 j++;
  61                                                 break;
  62                                         default:
  63                                                 if (pointloc == 0) {
  64                                                         middlex = g_strtod(this, NULL);
  65
  66                                                         pointloc = 1;
  67                                                 } else {
  68                                                         gdouble to;
  69                                                         middley = g_strtod(this, NULL);
  70                                                         pointloc = 0;
  71                                                         to = height - (middley*scaley);
  72
  73                                                         if ((middlex - fromx) < 0.015 && fromy != -1 && middley != -1) {
  74                                                                 cairo_line_to(cr, middlex*scalex,  to);
  75                                                         } else {
  76                                                                 cairo_move_to(cr, middlex*scalex,  to);
  77                                                         }
  78                                                         fromx = middlex;
  79                                                         fromy = middley;
  80                                                 }
  81
  82                                 }
  83                                 g_free(this);
  84                                 m = i+1;
  85                         }
  86                         i++;
  87                 }
  88                 cairo_stroke (cr);
  89         }
  90         g_debug("%s for %s done!\n", __func__, filename);
  91 }