X-Git-Url: https://mograsim.net/gitweb/?a=blobdiff_plain;f=plugins%2Fnet.mograsim.preferences%2Fsrc%2Fnet%2Fmograsim%2Fpreferences%2FColorDefinition.java;fp=plugins%2Fnet.mograsim.preferences%2Fsrc%2Fnet%2Fmograsim%2Fpreferences%2FColorDefinition.java;h=621de5f6f9de140bfd8956c0c7d06779005b0894;hb=7d05144c25daa53e60fc9ed9fd503546a86567f8;hp=0000000000000000000000000000000000000000;hpb=8bed58cd47f4e53a0a83e066d38864aa6875502f;p=Mograsim.git

diff --git a/plugins/net.mograsim.preferences/src/net/mograsim/preferences/ColorDefinition.java b/plugins/net.mograsim.preferences/src/net/mograsim/preferences/ColorDefinition.java
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index 00000000..621de5f6
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+++ b/plugins/net.mograsim.preferences/src/net/mograsim/preferences/ColorDefinition.java
@@ -0,0 +1,89 @@
+package net.mograsim.preferences;
+
+/**
+ * A way to define a color with the possibility to use colors built into the system (called "system colors" in SWT).
+ * <p>
+ * A {@link ColorDefinition} is defined either by a {@link BuiltInColor} constant, in which case <code>r==g==b==-1</code>, or by red / green
+ * / blue components, in which case <code>builtInColor==null</code>
+ * 
+ * @author Daniel Kirschten
+ */
+public class ColorDefinition
+{
+	/**
+	 * The built-in color constant defining this color.
+	 */
+	public final ColorDefinition.BuiltInColor builtInColor;
+	/**
+	 * The red color component defining this color.
+	 */
+	public final int r;
+	/**
+	 * The green color component defining this color.
+	 */
+	public final int g;
+	/**
+	 * The blue color component defining this color.
+	 */
+	public final int b;
+
+	public ColorDefinition(ColorDefinition.BuiltInColor col)
+	{
+		if (col == null)
+			throw new IllegalArgumentException("Illegal built-in color: " + col);
+		this.builtInColor = col;
+		this.r = -1;
+		this.g = -1;
+		this.b = -1;
+	}
+
+	public ColorDefinition(int r, int g, int b)
+	{
+		if (r < 0 || r > 255 || g < 0 || g > 255 || b < 0 || b > 255)
+			throw new IllegalArgumentException("Illegal color components: r=" + r + "; g=" + g + "; b=" + b);
+		this.builtInColor = null;
+		this.r = r;
+		this.g = g;
+		this.b = b;
+	}
+
+	@Override
+	public int hashCode()
+	{
+		final int prime = 31;
+		int result = 1;
+		result = prime * result + b;
+		result = prime * result + ((builtInColor == null) ? 0 : builtInColor.hashCode());
+		result = prime * result + g;
+		result = prime * result + r;
+		return result;
+	}
+
+	@Override
+	public boolean equals(Object obj)
+	{
+		if (this == obj)
+			return true;
+		if (obj == null)
+			return false;
+		if (getClass() != obj.getClass())
+			return false;
+		ColorDefinition other = (ColorDefinition) obj;
+		if (b != other.b)
+			return false;
+		if (builtInColor != other.builtInColor)
+			return false;
+		if (g != other.g)
+			return false;
+		if (r != other.r)
+			return false;
+		return true;
+	}
+
+	public static enum BuiltInColor
+	{
+		COLOR_WHITE, COLOR_BLACK, COLOR_RED, COLOR_DARK_RED, COLOR_GREEN, COLOR_DARK_GREEN, COLOR_YELLOW, COLOR_DARK_YELLOW, COLOR_BLUE,
+		COLOR_DARK_BLUE, COLOR_MAGENTA, COLOR_DARK_MAGENTA, COLOR_CYAN, COLOR_DARK_CYAN, COLOR_GRAY, COLOR_DARK_GRAY;
+	}
+
+}
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