X-Git-Url: https://mograsim.net/gitweb/?a=blobdiff_plain;f=era.mi%2Fsrc%2Fnet%2Fmograsim%2Flogic%2Fcore%2Ftypes%2FColorDefinition.java;fp=era.mi%2Fsrc%2Fnet%2Fmograsim%2Flogic%2Fcore%2Ftypes%2FColorDefinition.java;h=2801736200e01c9a7f0decc843213205cf099ee1;hb=0009789a8df6b8d4562b6e1cbfa75102a7516ea8;hp=0000000000000000000000000000000000000000;hpb=a28f7aa0dab4248e99159c5a647676170cb17a4e;p=Mograsim.git

diff --git a/era.mi/src/net/mograsim/logic/core/types/ColorDefinition.java b/era.mi/src/net/mograsim/logic/core/types/ColorDefinition.java
new file mode 100644
index 00000000..28017362
--- /dev/null
+++ b/era.mi/src/net/mograsim/logic/core/types/ColorDefinition.java
@@ -0,0 +1,54 @@
+package net.mograsim.logic.core.types;
+
+/**
+ * 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>
+ */
+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;
+	}
+
+	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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