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Issue #2447 - fixed color memory leak.

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Former-commit-id: 8d341f499d [formerly fe59f0923caa13c089edb683611b986522476539]
Former-commit-id: 527f88ddac
This commit is contained in:
Lee Venable 2013-10-09 10:07:37 -05:00
parent e0cbf2e05f
commit 91cafa3d45
1 changed files with 41 additions and 3 deletions
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44
cave/com.raytheon.uf.viz.monitor.scan/src/com/raytheon/uf/viz/monitor/scan/commondialogs/TrendGraphCanvas.java
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@ -49,6 +49,26 @@ import com.raytheon.uf.common.monitor.scan.config.SCANConfigEnums.ScanTables;
import com.raytheon.uf.common.monitor.scan.xml.SCANAttributesXML;
import com.raytheon.uf.viz.monitor.scan.TrendGraphData;
/**
*
* Canvas to display the trend graph.
*
* <pre>
*
* SOFTWARE HISTORY
*
* Date Ticket# Engineer Description
* ------------ ---------- ----------- --------------------------
* ?????????? lvenable Initial creation
* Oct 9, 2013 #2447 lvenable Replaced creating a new color with using a
* system color (white). This fixes a memory
* leak.
*
* </pre>
*
* @author lvenable
* @version 1.0
*/
public class TrendGraphCanvas {
private final Composite parentComp;
@ -127,8 +147,6 @@ public class TrendGraphCanvas {
private String valueFormatStr = null;
// private final double timeIncPerPix = Double.NaN;
private double valueLabelIncPerPix = Double.NaN;
private boolean overMaxLimit = false;
@ -144,6 +162,26 @@ public class TrendGraphCanvas {
*/
private String ident = null;
/**
* Constructor.
*
* @param parentComp
* Parent composite.
* @param trendGraphData
* Trend graph data.
* @param currentDate
* Current date.
* @param scanTable
* Scan table.
* @param attrName
* Attribute name.
* @param vcp
* Volume coverage pattern.
* @param requestDataCallback
* Request callback.
* @param ident
* Identification.
*/
public TrendGraphCanvas(Composite parentComp,
TrendGraphData trendGraphData, Date currentDate,
ScanTables scanTable, String attrName, Integer vcp,
@ -386,7 +424,7 @@ public class TrendGraphCanvas {
return;
double topAngle = attributeData.getMin() + rangeValue;
gc.setForeground(new Color(gc.getDevice(), 255, 255, 255));
gc.setForeground(display.getSystemColor(SWT.COLOR_WHITE));
Object[] rngValLst = rngDateMap.values().toArray();
Object[] dates = rngDateMap.keySet().toArray();
for (int dateIndex = 0; dateIndex < (dates.length - 1); dateIndex++) {