Fix #7003: Freetype fonts were scaled by both GUI and Font zoom levels. (#7267)

1 files changed, 20 insertions, 0 deletions

diff --git a/src/zoom_func.h b/src/zoom_func.h
index da266e35c..0e8fa8c9e 100644
--- a/src/zoom_func.h
+++ b/src/zoom_func.h
@@ -84,4 +84,24 @@ static inline int ScaleGUITrad(int value)
 	return UnScaleGUI(value * ZOOM_LVL_BASE);
 }
 
+/**
+ * Short-hand to apply font zoom level.
+ * @param value Pixel amount at #ZOOM_LVL_BEGIN (full zoom in).
+ * @return Pixel amount at #ZOOM_LVL_FONT (current interface size).
+ */
+static inline int UnScaleFont(int value)
+{
+	return UnScaleByZoom(value, ZOOM_LVL_FONT);
+}
+
+/**
+ * Scale traditional pixel dimensions to Font zoom level.
+ * @param value Pixel amount at #ZOOM_LVL_BASE (traditional "normal" interface size).
+ * @return Pixel amount at #ZOOM_LVL_FONT (current interface size).
+ */
+static inline int ScaleFontTrad(int value)
+{
+	return UnScaleFont(value * ZOOM_LVL_BASE);
+}
+
 #endif /* ZOOM_FUNC_H */