add indicator line for current lightness pos

Author: unitycoder

PixelArtTool/MainWindow.xaml

@@ -210,14 +210,17 @@
 		<Rectangle x:Name="tempRect" Width="200" Height="200" Margin="459,130,0,0" SnapsToDevicePixels="True" HorizontalAlignment="Left" VerticalAlignment="Top" UseLayoutRounding="False" Fill="Black" />
 		<Rectangle x:Name="rectSaturation"  Fill="{StaticResource LevelSaturationBrush}" Width="200" Height="200" Margin="459,130,0,0" StrokeThickness="1" SnapsToDevicePixels="True" HorizontalAlignment="Left" VerticalAlignment="Top" MouseDown="OnLevelSaturationMouseDown" />
 		<Rectangle x:Name="rectHueBar" Fill="{StaticResource HueBrush}" Width="20" Height="200" Margin="664,130,0,0" Stroke="Black" StrokeThickness="1" SnapsToDevicePixels="True" MouseDown="rectHueBar_MouseDown" HorizontalAlignment="Left" VerticalAlignment="Top" />
-		<Rectangle x:Name="rectCurrentHue" Width="253" Height="14" Margin="91,316,0,0" Stroke="Black" StrokeThickness="1" SnapsToDevicePixels="True" HorizontalAlignment="Left" VerticalAlignment="Top" >
-			<Rectangle.Fill>
-				<LinearGradientBrush EndPoint="1,0" StartPoint="0,0">
-					<GradientStop Color="Black" Offset="0"/>
-					<GradientStop Color="White" Offset="1"/>
-				</LinearGradientBrush>
-			</Rectangle.Fill>
-		</Rectangle>
+		<Grid>
+			<Rectangle x:Name="rectCurrentHue" Width="253" Height="14" Margin="91,316,0,0" Stroke="Black" StrokeThickness="1" SnapsToDevicePixels="True" HorizontalAlignment="Left" VerticalAlignment="Top" >
+				<Rectangle.Fill>
+					<LinearGradientBrush EndPoint="1,0" StartPoint="0,0">
+						<GradientStop Color="Black" Offset="0"/>
+						<GradientStop Color="White" Offset="1"/>
+					</LinearGradientBrush>
+				</Rectangle.Fill>
+			</Rectangle>
+			<Line x:Name="lineCurrentHueLine" X1="91" Y1="312" X2="91" Y2="334" Stroke="Red" StrokeThickness="1" />
+		</Grid>
 
 	</Grid>
 </Window>

PixelArtTool/MainWindow.xaml.cs

@@ -43,6 +43,7 @@ public partial class MainWindow : Window, INotifyPropertyChanged
         // colors
         PixelColor currentColor;
         PixelColor[] palette;
+
         int currentColorIndex = 0;
         byte opacity = 255;
 
@@ -176,8 +177,8 @@ void Start()
             palette = LoadPalette("pack://application:,,,/Resources/Palettes/aap-64-1x.png", paletteBitmap, paletteResolutionX, paletteResolutionY);
             currentColorIndex = 5;
             currentColor = palette[currentColorIndex];
-            SetRectangleFillColor(rectCurrentColor, currentColor);
-            UpdateCurrentHue(currentColor);
+            SetCurrentColorPreviewBox(rectCurrentColor, currentColor);
+            ResetCurrentBrightnessPreview(currentColor);
         }
 
 
@@ -318,11 +319,11 @@ void PickPalette(MouseEventArgs e)
             currentColorIndex = y * paletteResolutionX + x + 1; // +1 for fix index magic number..
             currentColor = palette[currentColorIndex];
 
-            UpdateCurrentHue(currentColor);
+            ResetCurrentBrightnessPreview(currentColor);
         }
 
         LinearGradientBrush myBrush;
-        void UpdateCurrentHue(PixelColor c)
+        void ResetCurrentBrightnessPreview(PixelColor c)
         {
             hueLocation = 0.5;
 
@@ -357,8 +358,9 @@ void UpdateCurrentHue(PixelColor c)
 
             rectCurrentHue.Fill = myBrush;
 
-            //myBrush.GradientStops
-
+            // move hueline
+            int offset = (int)(hueLocation * 253);
+            lineCurrentHueLine.Margin = new Thickness(offset, 0, offset, 0);
         }
 
         // https://stackoverflow.com/a/39450207/5452781
@@ -424,7 +426,8 @@ unsafe PixelColor GetPixelColor(int x, int y, WriteableBitmap source)
         void PaletteLeftButtonDown(object sender, MouseButtonEventArgs e)
         {
             PickPalette(e);
-            SetRectangleFillColor(rectCurrentColor, currentColor);
+            SetCurrentColorPreviewBox(rectCurrentColor, currentColor);
+            ResetCurrentBrightnessPreview(currentColor);
         }
 
         void DrawingRightButtonDown(object sender, MouseButtonEventArgs e)
@@ -440,8 +443,8 @@ void DrawingMiddleButtonDown(object sender, MouseButtonEventArgs e)
                 int y = (int)(e.GetPosition(drawingImage).Y / canvasScaleX);
 
                 currentColor = GetPixel(x, y);
-                SetRectangleFillColor(rectCurrentColor, currentColor);
-                UpdateCurrentHue(currentColor);
+                SetCurrentColorPreviewBox(rectCurrentColor, currentColor);
+                ResetCurrentBrightnessPreview(currentColor);
             }
         }
 
@@ -526,7 +529,7 @@ void DrawingAreaMouseMoved(object sender, MouseEventArgs e)
             else if (e.MiddleButton == MouseButtonState.Pressed)
             {
                 currentColor = GetPixel(x, y);
-                UpdateCurrentHue(currentColor);
+                ResetCurrentBrightnessPreview(currentColor);
             }
 
             ShowMousePos(x, y);
@@ -586,7 +589,12 @@ void DrawingMouseWheel(object sender, MouseWheelEventArgs e)
             cc.Blue = c.B;
             cc.Alpha = 255;
             currentColor = cc;
-            SetRectangleFillColor(rectCurrentColor, currentColor);
+            SetCurrentColorPreviewBox(rectCurrentColor, currentColor);
+            //ResetCurrentBrightnessPreview(currentColor);
+
+            // move hueline
+            int offset = (int)(hueLocation * 253);
+            lineCurrentHueLine.Margin = new Thickness(offset, 0, offset, 0);
         }
 
         private void OnClearButton(object sender, RoutedEventArgs e)
@@ -999,7 +1007,7 @@ private void OnLevelSaturationMouseDown(object sender, MouseButtonEventArgs e)
             c2.Blue = c1.B;
             currentColor = c2;
             rectCurrentColor.Fill = new SolidColorBrush(Color.FromArgb(c2.Alpha, c2.Red, c2.Green, c2.Blue));
-            UpdateCurrentHue(currentColor);
+            ResetCurrentBrightnessPreview(currentColor);
         }
     } // class
 

PixelArtTool/Tools.cs

@@ -153,7 +153,7 @@ public static void ClearImage(WriteableBitmap targetBitmap, Int32Rect emptyRect,
             targetBitmap.WritePixels(emptyRect, emptyPixels, emptyStride, 0);
         }
 
-        public static void SetRectangleFillColor(Rectangle targetRectangle, PixelColor color)
+        public static void SetCurrentColorPreviewBox(Rectangle targetRectangle, PixelColor color)
         {
             var col = Color.FromArgb(color.Alpha, color.Red, color.Green, color.Blue);
             targetRectangle.Fill = new SolidColorBrush(col);