From 62b865dbef744887ca282949b85aedbd7b4749ed Mon Sep 17 00:00:00 2001
From: vcaesar <vzvway@gmail.com>
Date: Mon, 9 Jul 2018 23:29:27 +0800
Subject: [PATCH 1/2] add get Scale and GetScaleSize func

---
 robotgo.go | 42 +++++++++++++++++++++++++++++++-----------
 1 file changed, 31 insertions(+), 11 deletions(-)

diff --git a/robotgo.go b/robotgo.go
index 0d0f699..d8edad2 100644
--- a/robotgo.go
+++ b/robotgo.go
@@ -188,13 +188,43 @@ func GetPixelColor(x, y int) string {
 	return gcolor
 }
 
-// GetScreenSize get screen size
+// ScaleX get primary display horizontal DPI scale factor
+func ScaleX() int {
+	return int(C.scalex())
+}
+
+// ScaleY get primary display vertical DPI scale factor
+func ScaleY() int {
+	return int(C.scaley())
+}
+
+// GetScreenSize get the screen size
 func GetScreenSize() (int, int) {
 	size := C.get_screen_size()
 	// fmt.Println("...", size, size.width)
 	return int(size.width), int(size.height)
 }
 
+// Scale get the screen scale
+func Scale() int {
+	dip := map[int]int{
+		96:  100,
+		120: 125,
+		144: 150,
+		192: 200,
+	}
+
+	x := ScaleX()
+	return dip[x]
+}
+
+// GetScaleSize get the screen scale size
+func GetScaleSize() (int, int) {
+	x, y := GetScreenSize()
+	s := Scale()
+	return x * s / 100, y * s / 100
+}
+
 // SetXDisplayName set XDisplay name
 func SetXDisplayName(name string) string {
 	cname := C.CString(name)
@@ -1293,16 +1323,6 @@ ____    __    ____  __  .__   __.  _______   ______   ____    __    ____
 
 */
 
-// ScaleX get primary display horizontal DPI scale factor
-func ScaleX() int {
-	return int(C.scalex())
-}
-
-// ScaleY get primary display vertical DPI scale factor
-func ScaleY() int {
-	return int(C.scaley())
-}
-
 // ShowAlert show a alert window
 func ShowAlert(title, msg string, args ...string) int {
 	var (

From 9c2797ade0bb26d0549d46b3341b3e4846f3f5c9 Mon Sep 17 00:00:00 2001
From: vcaesar <vzvway@gmail.com>
Date: Mon, 9 Jul 2018 23:33:59 +0800
Subject: [PATCH 2/2] fix dpi spell

---
 robotgo.go | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/robotgo.go b/robotgo.go
index d8edad2..48c61e5 100644
--- a/robotgo.go
+++ b/robotgo.go
@@ -207,7 +207,7 @@ func GetScreenSize() (int, int) {
 
 // Scale get the screen scale
 func Scale() int {
-	dip := map[int]int{
+	dpi := map[int]int{
 		96:  100,
 		120: 125,
 		144: 150,
@@ -215,7 +215,7 @@ func Scale() int {
 	}
 
 	x := ScaleX()
-	return dip[x]
+	return dpi[x]
 }
 
 // GetScaleSize get the screen scale size