*/
private BufferedImage offscreenImage;
+ private Graphics goff;
+
/**
* Constructor
*
{
featureRenderer = fr;
offscreenImage = new BufferedImage(1, 1, BufferedImage.TYPE_INT_ARGB);
+ goff = offscreenImage.getGraphics();
}
/**
*/
if (featureRenderer.getTransparency() != 1f)
{
- g = offscreenImage.getGraphics();
+ g = goff;
if (defaultColour != null)
{
offscreenImage.setRGB(0, 0, defaultColour.getRGB());
return c;
}
+ public int findFeatureColourInt(int defaultColour, SequenceI seq,
+ int column)
+ {
+ // if (noFeaturesDisplayed())
+ // {
+ // return defaultColour;
+ // }
+
+ Graphics g = null;
+
+ /*
+ * if transparency applies, provide a notional 1x1 graphics context
+ * that has been primed with the default colour
+ */
+ if (featureRenderer.getTransparency() != 1f)
+ {
+ g = goff;
+ if (defaultColour != 0)
+ {
+ offscreenImage.setRGB(0, 0, defaultColour);
+ }
+ }
+
+ Color c = featureRenderer.findFeatureColour(seq, column + 1, g);
+ if (c == null)
+ {
+ return defaultColour;
+ }
+
+ if (g != null)
+ {
+ return offscreenImage.getRGB(0, 0);
+ }
+ return c.getRGB();
+ }
/**
* Answers true if feature display is turned off, or there are no features
* configured to be visible
*
* @return
*/
- boolean noFeaturesDisplayed()
+ public boolean noFeaturesDisplayed()
{
if (featureRenderer == null
|| !featureRenderer.getViewport().isShowSequenceFeatures())