diff --git a/darwin/drawtext.m b/darwin/drawtext.m
index b90e7075..f175bee4 100644
--- a/darwin/drawtext.m
+++ b/darwin/drawtext.m
@@ -42,19 +42,6 @@ void uiDrawFreeFontFamilies(uiDrawFontFamilies *ff)
 	uiFree(ff);
 }
 
-// these two are identical:
-// - https://developer.apple.com/library/mac/documentation/TextFonts/Conceptual/CocoaTextArchitecture/TypoFeatures/TextSystemFeatures.html#//apple_ref/doc/uid/TP40009459-CH6-51627-BBCCHIFF text points are 72 per inch
-// - https://developer.apple.com/library/mac/documentation/Cocoa/Conceptual/CocoaDrawingGuide/Transforms/Transforms.html#//apple_ref/doc/uid/TP40003290-CH204-SW5 user space points are 72 per inch
-double uiDrawTextSizeToPoints(double textSize)
-{
-	return textSize;
-}
-
-double uiDrawPointsToTextSize(double points)
-{
-	return points;
-}
-
 struct uiDrawTextFont {
 	CTFontRef f;
 };
@@ -429,6 +416,18 @@ void uiDrawTextFontDescribe(uiDrawTextFont *font, uiDrawTextFontDescriptor *desc
 	// TODO TODO TODO TODO
 }
 
+// text sizes and user space points are identical:
+// - https://developer.apple.com/library/mac/documentation/TextFonts/Conceptual/CocoaTextArchitecture/TypoFeatures/TextSystemFeatures.html#//apple_ref/doc/uid/TP40009459-CH6-51627-BBCCHIFF text points are 72 per inch
+// - https://developer.apple.com/library/mac/documentation/Cocoa/Conceptual/CocoaDrawingGuide/Transforms/Transforms.html#//apple_ref/doc/uid/TP40003290-CH204-SW5 user space points are 72 per inch
+void uiDrawTextFontGetMetrics(uiDrawTextFont *font, uiDrawTextFontMetrics *metrics)
+{
+	metrics->Ascent = CTFontGetAscent(font->f);
+	metrics->Descent = CTFontGetDescent(font->f);
+	metrics->Leading = CTFontGetLeading(font->f);
+	metrics->UnderlinePos = CTFontGetUnderlinePosition(font->f);
+	metrics->UnderlineThickness = CTFontGetUnderlineThickness(font->f);
+}
+
 struct uiDrawTextLayout {
 	CFMutableAttributedStringRef mas;
 	intmax_t *bytesToCharacters;
diff --git a/test/page9.c b/test/page9.c
index 127f7cf0..c24cde16 100644
--- a/test/page9.c
+++ b/test/page9.c
@@ -10,6 +10,7 @@ static uiCheckbox *textSmallCaps;
 static uiCombobox *textStretch;
 static uiCombobox *textGravity;
 static uiButton *textApply;
+static uiCheckbox *addLeading;
 static uiArea *textArea;
 static uiAreaHandler textAreaHandler;
 
@@ -32,6 +33,7 @@ static void handlerDraw(uiAreaHandler *a, uiArea *area, uiAreaDrawParams *dp)
 	char *family;		// make compiler happy
 	uiDrawTextLayout *layout;
 	uiDrawTextFontMetrics metrics;
+	double ypos;
 
 	memset(&desc, 0, sizeof (uiDrawTextFontDescriptor));
 	family = uiEntryText(textFont);
@@ -49,11 +51,15 @@ static void handlerDraw(uiAreaHandler *a, uiArea *area, uiAreaDrawParams *dp)
 	s = uiEntryText(textString);
 	layout = uiDrawNewTextLayout(s, font);
 	uiFreeText(s);
-	uiDrawText(dp->Context, 10, 10, layout);
+	ypos = 10;
+	uiDrawText(dp->Context, 10, ypos, layout);
 	uiDrawFreeTextLayout(layout);
 
 	layout = uiDrawNewTextLayout("This is a second line", font);
-	uiDrawText(dp->Context, 10, 10 + metrics.Ascent + metrics.Descent + metrics.Leading, layout);
+	ypos += metrics.Ascent + metrics.Descent;
+	if (uiCheckboxChecked(addLeading))
+		ypos += metrics.Leading;
+	uiDrawText(dp->Context, 10, ypos, layout);
 	uiDrawFreeTextLayout(layout);
 
 	uiDrawFreeTextFont(font);
@@ -163,9 +169,16 @@ uiBox *makePage9(void)
 	uiComboboxSetSelected(textGravity, uiDrawTextGravitySouth);
 	uiBoxAppend(hbox, uiControl(textGravity), 1);
 
+	hbox = newHorizontalBox();
+	uiBoxAppend(vbox, uiControl(hbox), 0);
+
 	textApply = uiNewButton("Apply");
 	uiButtonOnClicked(textApply, onTextApply, NULL);
-	uiBoxAppend(vbox, uiControl(textApply), 0);
+	uiBoxAppend(hbox, uiControl(textApply), 1);
+
+	addLeading = uiNewCheckbox("Add Leading");
+	uiCheckboxSetChecked(addLeading, 1);
+	uiBoxAppend(hbox, uiControl(addLeading), 0);
 
 	textAreaHandler.Draw = handlerDraw;
 	textAreaHandler.MouseEvent = handlerMouseEvent;
diff --git a/ui.h b/ui.h
index 3e40c121..bd27bdf4 100644
--- a/ui.h
+++ b/ui.h
@@ -513,6 +513,7 @@ struct uiDrawTextFontMetrics {
 	double Ascent;
 	double Descent;
 	double Leading;
+	// TODO do these two mean the same across all platforms?
 	double UnderlinePos;
 	double UnderlineThickness;
 };