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Adjust label angle if needed to make sure that it's readable

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bancika
2011-01-17 23:07:46 +00:00
parent a2ea8ee393
commit fb46acad60
1 changed files with 8 additions and 2 deletions
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diy-layout-creator --username bancika@gmail.com/DIYLC/src/org/diylc/components/AbstractLeadedComponent.java
+8 -2
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@@ -78,6 +78,7 @@ public abstract class AbstractLeadedComponent<T> extends AbstractTransparentComp
g2d.translate((points[0].x + points[1].x - shapeRect.width) / 2, g2d.translate((points[0].x + points[1].x - shapeRect.width) / 2,
(points[0].y + points[1].y - shapeRect.height) / 2); (points[0].y + points[1].y - shapeRect.height) / 2);
g2d.rotate(theta, shapeRect.width / 2, shapeRect.height / 2); g2d.rotate(theta, shapeRect.width / 2, shapeRect.height / 2);
System.err.println(theta);
// Draw body. // Draw body.
Composite oldComposite = g2d.getComposite(); Composite oldComposite = g2d.getComposite();
if (alpha < MAX_ALPHA) { if (alpha < MAX_ALPHA) {
@@ -110,6 +111,11 @@ public abstract class AbstractLeadedComponent<T> extends AbstractTransparentComp
: LABEL_COLOR); : LABEL_COLOR);
FontMetrics fontMetrics = g2d.getFontMetrics(); FontMetrics fontMetrics = g2d.getFontMetrics();
String label = display == Display.NAME ? getName() : getValue().toString(); String label = display == Display.NAME ? getName() : getValue().toString();
// Adjust label angle if needed to make sure that it's readable.
if ((theta >= Math.PI / 2 && theta <= Math.PI)
|| (theta < -Math.PI / 2 && theta > -Math.PI)) {
g2d.rotate(Math.PI, shapeRect.width / 2, shapeRect.height / 2);
}
Rectangle2D textRect = fontMetrics.getStringBounds(label, g2d); Rectangle2D textRect = fontMetrics.getStringBounds(label, g2d);
g2d.drawString(label, (int) (shapeRect.width - textRect.getWidth()) / 2, g2d.drawString(label, (int) (shapeRect.width - textRect.getWidth()) / 2,
(int) (shapeRect.height - textRect.getHeight()) / 2 + fontMetrics.getAscent()); (int) (shapeRect.height - textRect.getHeight()) / 2 + fontMetrics.getAscent());
@@ -172,12 +178,12 @@ public abstract class AbstractLeadedComponent<T> extends AbstractTransparentComp
public boolean isControlPointSticky(int index) { public boolean isControlPointSticky(int index) {
return true; return true;
} }
@Override @Override
public VisibilityPolicy getControlPointVisibilityPolicy(int index) { public VisibilityPolicy getControlPointVisibilityPolicy(int index) {
return VisibilityPolicy.ALWAYS; return VisibilityPolicy.ALWAYS;
} }
@Override @Override
public void setControlPoint(Point point, int index) { public void setControlPoint(Point point, int index) {
// Only accept the change if ending points are not the same. // Only accept the change if ending points are not the same.