X-Git-Url: http://source.jalview.org/gitweb/?a=blobdiff_plain;f=src%2Fjalview%2Frenderer%2FAwtRenderPanelI.java;h=b86afbc5b931281b6c33fe49f595b63d55ae888b;hb=a7169b1c72607f3c9357195b4999869650a2a891;hp=70bbc7b8d5fb25de508253aaf885bd9f34734e77;hpb=59d682209891099d46b960509907c79e3fb276fe;p=jalview.git
diff --git a/src/jalview/renderer/AwtRenderPanelI.java b/src/jalview/renderer/AwtRenderPanelI.java
index 70bbc7b..b86afbc 100644
--- a/src/jalview/renderer/AwtRenderPanelI.java
+++ b/src/jalview/renderer/AwtRenderPanelI.java
@@ -1,19 +1,22 @@
/*
- * Jalview - A Sequence Alignment Editor and Viewer (Version 2.8)
- * Copyright (C) 2012 J Procter, AM Waterhouse, LM Lui, J Engelhardt, G Barton, M Clamp, S Searle
+ * Jalview - A Sequence Alignment Editor and Viewer ($$Version-Rel$$)
+ * Copyright (C) $$Year-Rel$$ The Jalview Authors
*
* This file is part of Jalview.
*
* Jalview is free software: you can redistribute it and/or
* modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.
+ * as published by the Free Software Foundation, either version 3
+ * of the License, or (at your option) any later version.
*
* Jalview is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty
* of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU General Public License for more details.
*
- * You should have received a copy of the GNU General Public License along with Jalview. If not, see .
+ * You should have received a copy of the GNU General Public License
+ * along with Jalview. If not, see .
+ * The Jalview Authors are detailed in the 'AUTHORS' file.
*/
package jalview.renderer;
@@ -21,6 +24,14 @@ import java.awt.FontMetrics;
import java.awt.Image;
import java.awt.image.ImageObserver;
+/**
+ * semi-insulated interface for rendering a faded image whilst a calculation is
+ * in progress on annotation panel. Will need to remove java.awt dependencies
+ * for Android/etc
+ *
+ * @author jprocter
+ *
+ */
public interface AwtRenderPanelI extends ImageObserver
{
/**
@@ -41,4 +52,11 @@ public interface AwtRenderPanelI extends ImageObserver
*/
int getFadedImageWidth();
+ /**
+ * height of visible area on to the image - used to draw only what is visible.
+ *
+ * @return [start, end of visible region]
+ */
+ int[] getVisibleVRange();
+
}