[Add] gl_printHeight.

src/font.c

@@ -277,6 +277,51 @@ int gl_printWidth(const glFont* ft_font, const char* fmt, ...) {
   return n;
 }
 
+int gl_printHeight(const glFont* ft_font, const int width,
+                  const char* fmt, ...) {
+  
+  char txt[1024]; // Holds the string.
+  va_list ap;
+  int p, i, n, len, lastspace;
+  double x, y;
+
+  if(ft_font == NULL) ft_font = &gl_defFont;
+
+  if(fmt == NULL) return -1;
+  else {
+    // Convert the symbols to text.
+    va_start(ap, fmt);
+    vsprintf(txt, fmt, ap);
+    va_end(ap);
+  }
+  x = 0.;
+  y = 0.;
+
+  len = (int) strlen(txt);
+  // Limit the size per line.
+  lastspace = -1; // Last ' ' or '\n' in the text.
+  n = 0;    // Current width.
+  i = 0;    // Current position.
+  p = -1;   // Where we last drew up to.
+
+  while(i < len+1) {
+    n += ft_font->w[(int)txt[i]];
+
+    if((txt[i] == ' ') || (txt[i] == '\n') || (txt[i] == '\0')) lastspace = i;
+
+    if(((n > width) && (p != lastspace)) ||
+        (txt[i] == '\n') || (txt[i] == '\0')) {
+
+      p = lastspace;
+      n = 0;
+      i = lastspace;
+      y += 1.5*(double)ft_font->h; // Move position down.
+    }
+    i++;
+  }
+  return (int)y;
+}
+
 // ================
 // FONT!
 // ================

src/font.h

@@ -36,3 +36,6 @@ int gl_printText(const glFont* ft_font, const int width, const int height,
 // Get the width of the text that you wish to print.
 int  gl_printWidth(const glFont* ft_font, const char* fmt, ...);
 
+int gl_printHeight(const glFont* ft_font, const int width,
+                   const char* fmt, ...);
+