Module: PSDNative::Util

Defined in:
ext/psd_native/psd_native_ext.c

Instance Method Summary collapse

Instance Method Details

#clamp(r_num, r_min, r_max) ⇒ Object 



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# File 'ext/psd_native/util.c', line 11

VALUE psd_native_util_clamp(VALUE self, VALUE r_num, VALUE r_min, VALUE r_max) {
  int num = FIX2INT(r_num);
  int min = FIX2INT(r_min);
  int max = FIX2INT(r_max);

  return num > max ? r_max : (num < min ? r_min : r_num);
}

#pad2(i) ⇒ Object 



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# File 'ext/psd_native/util.c', line 3

VALUE psd_native_util_pad2(VALUE self, VALUE i) {
  return INT2FIX((FIX2INT(i) + 1) & ~0x01);
}

#pad4(i) ⇒ Object 



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# File 'ext/psd_native/util.c', line 7

VALUE psd_native_util_pad4(VALUE self, VALUE i) {
  return INT2FIX(((FIX2INT(i) + 4) & ~0x03) - 1);
}