public static Color4 BlendFunc(Color4 source, Color4 destination, ColorBlendMode mode)
{
switch (mode)
{
case ColorBlendMode.Zero:
return new Color4(0.0f, 0.0f, 0.0f, 0.0f);
case ColorBlendMode.One:
return new Color4(1.0f, 1.0f, 1.0f, 1.0f);
case ColorBlendMode.SourceColor:
return new Color4(source.R, source.G, source.B, source.A);
case ColorBlendMode.InverseSourceColor:
return new Color4(1 - source.R, 1 - source.G, 1 - source.B, 1 - source.A);
case ColorBlendMode.SourceAlpha:
return new Color4(source.A, source.A, source.A, source.A);
case ColorBlendMode.InverseSourceAlpha:
return new Color4(1 - source.A, 1 - source.A, 1 - source.A, 1 - source.A);
case ColorBlendMode.DestinationAlpha:
return new Color4(destination.A, destination.A, destination.A, destination.A);
case ColorBlendMode.InverseDestinationAlpha:
return new Color4(1 - destination.A, 1 - destination.A, 1 - destination.A, 1 - destination.A);
case ColorBlendMode.DestinationColor:
return new Color4(destination.R, destination.G, destination.B, destination.A);
case ColorBlendMode.InverseDestinationColor:
return new Color4(1 - destination.R, 1 - destination.G, 1 - destination.B, 1 - destination.A);
case ColorBlendMode.SourceAlphaSaturation:
return new Color4(Math.Min(source.A, 1 - source.A), Math.Min(source.A, 1 - source.A),
Math.Min(source.A, 1 - source.A), 1);
}
throw new Exception();
}
public override void Reset()
{
base.Reset();
fromOffsetBlendMode = ColorBlendMode.Normal;
toOffsetBlendMode = ColorBlendMode.Normal;
gameObject = null;
cachedGameObject = null;
cachedComponent = null;
}
/// <summary>
/// Common blend operations for colors
/// E.g. used by TweenColor action
/// </summary>
/// <returns></returns>
public static Color BlendColor(ColorBlendMode blendMode, Color c1, Color c2)
{
switch (blendMode)
{
case ColorBlendMode.Normal:
return(Color.Lerp(c1, c2, c2.a));
case ColorBlendMode.Multiply:
return(Color.Lerp(c1, c1 * c2, c2.a));
case ColorBlendMode.Screen:
var screen = Color.white - (Color.white - c1) * (Color.white - c2);
return(Color.Lerp(c1, screen, c2.a));
default:
throw new ArgumentOutOfRangeException();
}
}
public static Color4 BlendFunc(Color4 source, Color4 destination, ColorBlendMode mode)
{
switch (mode)
{
case ColorBlendMode.Zero:
return(new Color4(0.0f, 0.0f, 0.0f, 0.0f));
case ColorBlendMode.One:
return(new Color4(1.0f, 1.0f, 1.0f, 1.0f));
case ColorBlendMode.SourceColor:
return(new Color4(source.R, source.G, source.B, source.A));
case ColorBlendMode.InverseSourceColor:
return(new Color4(1 - source.R, 1 - source.G, 1 - source.B, 1 - source.A));
case ColorBlendMode.SourceAlpha:
return(new Color4(source.A, source.A, source.A, source.A));
case ColorBlendMode.InverseSourceAlpha:
return(new Color4(1 - source.A, 1 - source.A, 1 - source.A, 1 - source.A));
case ColorBlendMode.DestinationAlpha:
return(new Color4(destination.A, destination.A, destination.A, destination.A));
case ColorBlendMode.InverseDestinationAlpha:
return(new Color4(1 - destination.A, 1 - destination.A, 1 - destination.A, 1 - destination.A));
case ColorBlendMode.DestinationColor:
return(new Color4(destination.R, destination.G, destination.B, destination.A));
case ColorBlendMode.InverseDestinationColor:
return(new Color4(1 - destination.R, 1 - destination.G, 1 - destination.B, 1 - destination.A));
case ColorBlendMode.SourceAlphaSaturation:
return(new Color4(Math.Min(source.A, 1 - source.A), Math.Min(source.A, 1 - source.A),
Math.Min(source.A, 1 - source.A), 1));
}
throw new Exception();
}
public static void ColorToolsWindow()
{
Color lastColor = GUI.contentColor;
GUILayout.BeginVertical();
// Channels
{
GUILayout.BeginHorizontal();
EditorGUILayout.PrefixLabel("Channel Mask");
GUIContent[] contents = new GUIContent[] {
new GUIContent("All", "All Channels"),
new GUIContent("R", "Red"),
new GUIContent("G", "Green"),
new GUIContent("B", "Blue")
};
ColorChannelsMode temp = (ColorChannelsMode)GUILayout.Toolbar((int)colorChannelsMode, contents, toolbarButtonStyle);
if (temp != colorChannelsMode)
{
newColorChannelsMode = temp;
}
GUILayout.EndHorizontal();
}
// Color
if (colorChannelsMode == ColorChannelsMode.AllChannels)
{
colorBrushColor = EditorGUILayout.ColorField("Color", colorBrushColor);
}
// Blend
{
GUILayout.BeginHorizontal();
EditorGUILayout.PrefixLabel("Mode");
GUIContent[] contents = new GUIContent[] {
new GUIContent(tk2dEditorSkin.GetTexture("icon_pencil"), "Replace"),
new GUIContent("+", "Addition"),
new GUIContent("-", "Subtraction"),
new GUIContent(tk2dEditorSkin.GetTexture("icon_eyedropper"), "Eyedropper")
};
colorBlendMode = (ColorBlendMode)GUILayout.Toolbar((int)colorBlendMode, contents, toolbarButtonStyle);
GUILayout.EndHorizontal();
}
// Radius, Intensity
{
GUIContent radiusLabel = new GUIContent("Radius", "Shortcut - [, ]");
colorBrushRadius = EditorGUILayout.Slider(radiusLabel, colorBrushRadius, 1.0f, 64.0f);
GUIContent intensityLabel = new GUIContent("Intensity", "Shortcut - Minus (-), Plus (+)");
colorBrushIntensity = EditorGUILayout.Slider(intensityLabel, colorBrushIntensity * 100.0f, 0.0f, 100.0f) / 100.0f;
}
// Curve
{
colorBrushCurve = EditorGUILayout.CurveField("Brush shape", colorBrushCurve);
}
GUILayout.EndVertical();
GUI.contentColor = lastColor;
if (Event.current.type == EventType.Repaint)
{
colorChannelsMode = newColorChannelsMode;
HandleUtility.Repaint();
}
}
/// <summary>
/// Blend color a and color b.
/// </summary>
/// <param name="a">Color a.</param>
/// <param name="b">Color b.</param>
/// <param name="mode">Mode of color blend.</param>
/// <returns>Blended color.</returns>
public static Color Blend(Color a, Color b, ColorBlendMode mode)
{
var c = Color.white;
switch (mode)
{
case ColorBlendMode.Normal:
c = NormalBlend(a, b);
break;
case ColorBlendMode.Dissolve:
c = DissolveBlend(a, b);
break;
case ColorBlendMode.Darken:
c = DarkenBlend(a, b);
break;
case ColorBlendMode.Multiply:
c = MultiplyBlend(a, b);
break;
case ColorBlendMode.ColorBurn:
c = ColorBurnBlend(a, b);
break;
case ColorBlendMode.LinearBurn:
c = LinearBurnBlend(a, b);
break;
case ColorBlendMode.DarkerColor:
c = DarkerColorBlend(a, b);
break;
case ColorBlendMode.Lighten:
c = LightenBlend(a, b);
break;
case ColorBlendMode.Screen:
c = ScreenBlend(a, b);
break;
case ColorBlendMode.ColorDodge:
c = ColorDodgeBlend(a, b);
break;
case ColorBlendMode.LinearDodge:
c = LinearDodgeBlend(a, b);
break;
case ColorBlendMode.LighterColor:
c = LighterColorBlend(a, b);
break;
case ColorBlendMode.Overlay:
c = OverlayBlend(a, b);
break;
case ColorBlendMode.SoftLight:
c = SoftLightBlend(a, b);
break;
case ColorBlendMode.HardLight:
c = HardLightBlend(a, b);
break;
case ColorBlendMode.VividLight:
c = VividLightBlend(a, b);
break;
case ColorBlendMode.LinearLight:
c = LinearLightBlend(a, b);
break;
case ColorBlendMode.PinLight:
c = PinLightBlend(a, b);
break;
case ColorBlendMode.HardMix:
c = HardMixBlend(a, b);
break;
case ColorBlendMode.Difference:
c = DifferenceBlend(a, b);
break;
case ColorBlendMode.Exclusion:
c = ExclusionBlend(a, b);
break;
case ColorBlendMode.Subtract:
c = SubtractBlend(a, b);
break;
case ColorBlendMode.Divide:
c = DivideBlend(a, b);
break;
case ColorBlendMode.Hue:
c = HueBlend(a, b);
break;
case ColorBlendMode.Color:
c = ColorBlend(a, b);
break;
case ColorBlendMode.Saturation:
c = SaturationBlend(a, b);
break;
case ColorBlendMode.Luminosity:
c = LuminosityBlend(a, b);
break;
}
return(c);
}
public static void ColorToolsWindow() {
Color lastColor = GUI.contentColor;
GUILayout.BeginVertical();
// Channels
{
GUILayout.BeginHorizontal();
EditorGUILayout.PrefixLabel("Channel Mask");
GUIContent[] contents = new GUIContent[] {
new GUIContent("All", "All Channels"),
new GUIContent("R", "Red"),
new GUIContent("G", "Green"),
new GUIContent("B", "Blue")
};
ColorChannelsMode temp = (ColorChannelsMode)GUILayout.Toolbar((int)colorChannelsMode, contents, toolbarButtonStyle);
if (temp != colorChannelsMode)
newColorChannelsMode = temp;
GUILayout.EndHorizontal();
}
// Color
if (colorChannelsMode == ColorChannelsMode.AllChannels) {
colorBrushColor = EditorGUILayout.ColorField("Color", colorBrushColor);
}
// Blend
{
GUILayout.BeginHorizontal();
EditorGUILayout.PrefixLabel("Mode");
GUIContent[] contents = new GUIContent[] {
new GUIContent(tk2dEditorSkin.GetTexture("icon_pencil"), "Replace"),
new GUIContent("+", "Addition"),
new GUIContent("-", "Subtraction"),
new GUIContent(tk2dEditorSkin.GetTexture("icon_eyedropper"), "Eyedropper")
};
colorBlendMode = (ColorBlendMode)GUILayout.Toolbar((int)colorBlendMode, contents, toolbarButtonStyle);
GUILayout.EndHorizontal();
}
// Radius, Intensity
{
GUIContent radiusLabel = new GUIContent("Radius", "Shortcut - [, ]");
colorBrushRadius = EditorGUILayout.Slider(radiusLabel, colorBrushRadius, 1.0f, 64.0f);
GUIContent intensityLabel = new GUIContent("Intensity", "Shortcut - Minus (-), Plus (+)");
colorBrushIntensity = EditorGUILayout.Slider(intensityLabel, colorBrushIntensity * 100.0f, 0.0f, 100.0f) / 100.0f;
}
// Curve
{
colorBrushCurve = EditorGUILayout.CurveField("Brush shape", colorBrushCurve);
}
GUILayout.EndVertical();
GUI.contentColor = lastColor;
if (Event.current.type == EventType.Repaint) {
colorChannelsMode = newColorChannelsMode;
HandleUtility.Repaint();
}
}
public static Color4 Add(Color4 source, ColorBlendMode sourceMode, Color4 destination, ColorBlendMode destMode)
{
return(AddColors(MultiplyColors(source, BlendFunc(source, destination, sourceMode)),
MultiplyColors(destination, BlendFunc(source, destination, destMode))));
}
public static Color4 Add(Color4 source, ColorBlendMode sourceMode, Color4 destination, ColorBlendMode destMode)
{
return AddColors(MultiplyColors(source, BlendFunc(source, destination, sourceMode)),
MultiplyColors(destination, BlendFunc(source, destination, destMode)));
}