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ColorFunctions: moved methods applyFunctions() and clamp() down to nested classes

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This commit is contained in:
Karl Tauber
2021-10-04 22:41:32 +02:00
parent e34fbcec58
commit 6815109e15
1 changed files with 33 additions and 33 deletions
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66
flatlaf-core/src/main/java/com/formdev/flatlaf/util/ColorFunctions.java
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@@ -25,39 +25,6 @@ import java.awt.Color;
*/ */
public class ColorFunctions public class ColorFunctions
{ {
public static Color applyFunctions( Color color, ColorFunction... functions ) {
// if having only a single function of type Mix, then avoid four unnecessary conversions:
// 1. RGB to HSL in this method
// 2. HSL to RGB in Mix.apply()
// mix
// 3. RGB to HSL in Mix.apply()
// 4. HSL to RGB in this method
if( functions.length == 1 && functions[0] instanceof Mix ) {
Mix mixFunction = (Mix) functions[0];
return mix( color, mixFunction.color2, mixFunction.weight / 100 );
}
// convert RGB to HSL
float[] hsl = HSLColor.fromRGB( color );
float alpha = color.getAlpha() / 255f;
float[] hsla = { hsl[0], hsl[1], hsl[2], alpha * 100 };
// apply color functions
for( ColorFunction function : functions )
function.apply( hsla );
// convert HSL to RGB
return HSLColor.toRGB( hsla[0], hsla[1], hsla[2], hsla[3] / 100 );
}
public static float clamp( float value ) {
return (value < 0)
? 0
: ((value > 100)
? 100
: value);
}
/** /**
* Returns a color that is a mixture of two colors. * Returns a color that is a mixture of two colors.
* <p> * <p>
@@ -149,6 +116,39 @@ public class ColorFunctions
: (float) Math.pow( (value + 0.055) / 1.055, 2.4 ); : (float) Math.pow( (value + 0.055) / 1.055, 2.4 );
} }
public static Color applyFunctions( Color color, ColorFunction... functions ) {
// if having only a single function of type Mix, then avoid four unnecessary conversions:
// 1. RGB to HSL in this method
// 2. HSL to RGB in Mix.apply()
// mix
// 3. RGB to HSL in Mix.apply()
// 4. HSL to RGB in this method
if( functions.length == 1 && functions[0] instanceof Mix ) {
Mix mixFunction = (Mix) functions[0];
return mix( color, mixFunction.color2, mixFunction.weight / 100 );
}
// convert RGB to HSL
float[] hsl = HSLColor.fromRGB( color );
float alpha = color.getAlpha() / 255f;
float[] hsla = { hsl[0], hsl[1], hsl[2], alpha * 100 };
// apply color functions
for( ColorFunction function : functions )
function.apply( hsla );
// convert HSL to RGB
return HSLColor.toRGB( hsla[0], hsla[1], hsla[2], hsla[3] / 100 );
}
public static float clamp( float value ) {
return (value < 0)
? 0
: ((value > 100)
? 100
: value);
}
//---- interface ColorFunction -------------------------------------------- //---- interface ColorFunction --------------------------------------------
public interface ColorFunction { public interface ColorFunction {