diff --git a/main.cpp b/main.cpp
index 1aceffb..f011bda 100644
--- a/main.cpp
+++ b/main.cpp
@@ -27,18 +27,18 @@ void QTSGraph::PaintBox()
     Rectangle(0, 0, 599, 599);
     QColor c = Qt::blue;
     SetColor(c);
-    SetTextStyle(0, 45, 10);
+    SetTextStyle(10, 45, 0);
     OutTextXY(70, 70, "Hello world!");
     SetTextStyle(1, 0, 20);
     OutTextXY(170, 50, "Кликните мышкой...");
     int m = ReadMouseButton();
     SetColor(clRed);
-    SetTextStyle(1, 0, 20);
+    SetTextStyle(20, 0, 1);
     if(m == 1) OutTextXY(150, 80, "Нажата левая кнопка");
     else if(m == 2) OutTextXY(150, 80, "Нажата правая кнопка");
     else if(m == 3) OutTextXY(150, 80, "Нажата средняя кнопка");
     else OutTextXY(150, 80, "Нажата неизвестная кнопка");
-    SetTextStyle(2, 180, 30);
+    SetTextStyle(30, 180, 2);
     OutTextXY(460, 550, "Hello world!");
     SetColor(0x999999);
     SetPenStyle(5);
diff --git a/qtsgraph.cpp b/qtsgraph.cpp
index 7d04579..90d1d88 100644
--- a/qtsgraph.cpp
+++ b/qtsgraph.cpp
@@ -86,7 +86,7 @@ QTSGraph::QTSGraph(int w, int h, int x, int y, QWidget *parent)
     Pen = QPen(QBrush(QColor(DefaultColor)), 1);
     Font = QFont();
     Brush = QBrush(QColor(DefaultColor),Qt::NoBrush);
-    SetTextStyle(1, 0, 10);
+    SetTextStyle(10);
     ResetInterval = 1000;
     ResetTimer = new QTimer();
     connect(ResetTimer, SIGNAL(timeout()), this, SLOT(slotResetTimer()));
@@ -137,7 +137,7 @@ void QTSGraph::OutTextXY(int x, int y, std::string caption)
     painter.setFont(Font);
     double r, b, sa, ca, sb, cb, xn, yn;
     if(SwapYAxis) y = Canvas.height() - y - 1;
-    b = TextDirection*3.14159/180;
+    b = TextDirection * 3.14159 / 180;
     r = sqrt(x * x + y * y);
     sa = y / r;
     ca = x / r;
@@ -223,7 +223,7 @@ void QTSGraph::SetPenWidth(int PenWidth)
     Pen.setWidth(PenWidth);
 }
 
-void QTSGraph::SetTextStyle(int idFont, int Direction, int CharSize)
+void QTSGraph::SetTextStyle(int CharSize, int Direction, int idFont)
 {
     QString f;
     if(idFont == 0) f = "serif";
diff --git a/qtsgraph.h b/qtsgraph.h
index 6e86bc7..340e499 100644
--- a/qtsgraph.h
+++ b/qtsgraph.h
@@ -119,7 +119,7 @@ public:
         5 - DashDotDotLine
      */
     void SetPenWidth(int PenWidth);
-    void SetTextStyle(int idFont, int Direction, int CharSize);
+    void SetTextStyle(int CharSize, int Direction = 0, int idFont = 0);
     /*
         0 - serif
         1 - sans