1 files changed, 40 insertions, 1 deletions

diff --git a/src/qlibwindowmanager.h b/src/qlibwindowmanager.h
index 8fb653d..3a720a1 100644
--- a/src/qlibwindowmanager.h
+++ b/src/qlibwindowmanager.h
@@ -21,6 +21,42 @@
 #include <QObject>
 #include <string>
 
+class AGLScreenInfo : public QObject
+{
+    Q_OBJECT
+
+  public:
+    AGLScreenInfo(double scale = 1.0) { _scale_factor = scale; };
+
+    Q_INVOKABLE double scale_factor() const { return _scale_factor; };
+
+  private:
+    double _scale_factor;
+};
+
+class AGLScreenInfoPrivate
+{
+  public:
+    unsigned long width_dp(void) const { return _width_dp; };
+    unsigned long height_dp(void) const { return _height_dp; };
+    unsigned long width_mm(void) const { return _width_mm; };
+    unsigned long height_mm(void) const { return _height_mm; };
+    double scale_factor(void) const { return _scale; };
+
+    void set_width_dp(unsigned long w) { _width_dp = w; };
+    void set_height_dp(unsigned long h) { _height_dp = h; };
+    void set_width_mm(unsigned long w) { _width_mm = w; };
+    void set_height_mm(unsigned long h) { _height_mm = h; };
+    void set_scale_factor(double scale) { _scale = scale; };
+
+  private:
+    unsigned long _width_dp;
+    unsigned long _height_dp;
+    unsigned long _width_mm;
+    unsigned long _height_mm;
+    double _scale = 1.0;
+};
+
 class QLibWindowmanager : public QObject{
 Q_OBJECT
 public:
@@ -58,8 +94,11 @@ public:
     Q_INVOKABLE int activateWindow(const QString &label, const QString &drawing_area);
     Q_INVOKABLE int deactivateWindow(const QString &label);
     Q_INVOKABLE int endDraw(const QString &label);
+
     void set_event_handler(enum QEventType et, handler_fun f);
 
+    double get_scale_factor() const { return screen_info->scale_factor(); };
+
     // These APIs are deprecated, please use new API
     THIS_FUNCTION_IS_DEPRECATED(Q_INVOKABLE int activateSurface(const QString &label));
     THIS_FUNCTION_IS_DEPRECATED(Q_INVOKABLE int activateSurface(const QString &label, const QString &drawing_area));
@@ -75,6 +114,6 @@ private:
     LibWindowmanager* wm;
     const char* applabel;
     bool isActive;
-
+    AGLScreenInfoPrivate* screen_info;
 };
 #endif // LIBWINDOWMANAGER_H