diff --git a/QT/hsvrgb/mywindow.cpp b/QT/hsvrgb/mywindow.cpp
index c0227b0..bf9e851 100644
--- a/QT/hsvrgb/mywindow.cpp
+++ b/QT/hsvrgb/mywindow.cpp
@@ -44,6 +44,8 @@ MyWindow::MyWindow(QWidget *parent) :
     // i wysokosci. Ustawiamy format bitmapy na 32 bitowe RGB
     // (0xffRRGGBB).
     img = new QImage(szer,wys,QImage::Format_RGB32);
+
+    DrawG(0);
 }
 
 // Definicja destruktora
@@ -151,8 +153,8 @@ void MyWindow::DrawR(int r){
     unsigned char* ptr = img->bits();
     for(int i = 0; i < img->width(); i++){
         for(int j = 0; j < img->height(); j++){
-            int b = ((float) i / img->width()) * 255.0f;
-            int g = ((float) j / img->height()) * 255.0f;
+            int b = (((float) i / img->width())) * 255.0f;
+            int g = (1.0f - ((float) j / img->height())) * 255.0f;
             DrawPixel(img, i, j, QColor(r, g, b));
         }
     }
@@ -163,8 +165,8 @@ void MyWindow::DrawG(int g){
     unsigned char* ptr = img->bits();
     for(int i = 0; i < img->width(); i++){
         for(int j = 0; j < img->height(); j++){
-            int b = ((float) i / img->width()) * 255.0f;
-            int r = ((float) j / img->height()) * 255.0f;
+            int r = ((float) i / img->width()) * 255.0f;
+            int b = (1.0f - ((float) j / img->height())) * 255.0f;
             DrawPixel(img, i, j, QColor(r, g, b));
         }
     }
@@ -176,7 +178,7 @@ void MyWindow::DrawB(int b){
     for(int i = 0; i < img->width(); i++){
         for(int j = 0; j < img->height(); j++){
             int g = ((float) i / img->width()) * 255.0f;
-            int r = ((float) j / img->height()) * 255.0f;
+            int r = (1.0f - ((float) j / img->height())) * 255.0f;
             DrawPixel(img, i, j, QColor(r, g, b));
         }
     }
@@ -188,8 +190,8 @@ void MyWindow::DrawH(float h){
     unsigned char* ptr = img->bits();
     for(int i = 0; i < img->width(); i++){
         for(int j = 0; j < img->height(); j++){
-            float s = ((float) i / img->width());
-            float v = ((float) j / img->height());
+            float v = ((float) i / img->width());
+            float s = (1.0f - ((float) j / img->height()));
             DrawPixel(img, i, j, HSVtoRGB(h, s, v));
         }
     }
@@ -201,7 +203,7 @@ void MyWindow::DrawS(float s){
     for(int i = 0; i < img->width(); i++){
         for(int j = 0; j < img->height(); j++){
             float h = ((float) i / img->width());
-            float v = ((float) j / img->height());
+            float v = (1.0f - ((float) j / img->height()));
             DrawPixel(img, i, j, HSVtoRGB(h, s, v));
         }
     }
@@ -213,7 +215,7 @@ void MyWindow::DrawV(float v){
     for(int i = 0; i < img->width(); i++){
         for(int j = 0; j < img->height(); j++){
             float h = ((float) i / img->width());
-            float s = ((float) j / img->height());
+            float s = (1.0f - ((float) j / img->height()));
             DrawPixel(img, i, j, HSVtoRGB(h, s, v));
         }
     }