interfaces implemented by jalview renderers

diff --git a/src/jalview/api/FeatureRenderer.java b/src/jalview/api/FeatureRenderer.java
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index 0000000..22b0a45
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+++ b/src/jalview/api/FeatureRenderer.java
@@ -0,0 +1,20 @@
+/**
+ * 
+ */
+package jalview.api;
+
+import jalview.datamodel.SequenceI;
+
+import java.awt.Color;
+
+/**
+ * Abstract feature renderer interface
+ * @author JimP
+ *
+ */
+public interface FeatureRenderer
+{
+
+  Color findFeatureColour(Color col, SequenceI sequenceI, int r);
+
+}

diff --git a/src/jalview/api/SequenceRenderer.java b/src/jalview/api/SequenceRenderer.java
new file mode 100644 (file)
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+++ b/src/jalview/api/SequenceRenderer.java
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+package jalview.api;
+
+import jalview.datamodel.SequenceI;
+
+import java.awt.Color;
+
+public interface SequenceRenderer
+{
+
+  Color getResidueBoxColour(SequenceI sequenceI, int r);
+
+}