protected void drawToolTip(
DrawContext dc,
java.awt.Rectangle viewport,
String text,
int x,
int y,
ToolTipAttributes attributes) {
java.awt.geom.Rectangle2D textBounds = this.computeTextBounds(dc, text, attributes.getFont());
java.awt.geom.Rectangle2D bgBounds =
this.computeBackgroundBounds(
dc, textBounds.getWidth(), textBounds.getHeight(), attributes.getInsets());
java.awt.Point screenPoint = this.adjustDrawPointToViewport(x, y, bgBounds, viewport);
java.awt.geom.Point2D textTranslation =
this.computeTextTranslation(dc, textBounds, attributes.getInsets());
GL2 gl = dc.getGL();
OGLStackHandler stackHandler = new OGLStackHandler();
stackHandler.pushModelview(gl);
try {
gl.glTranslated(
screenPoint.getX() + bgBounds.getX(), screenPoint.getY() + bgBounds.getY(), 0);
this.drawToolTipInterior(dc, bgBounds.getWidth(), bgBounds.getHeight(), attributes);
this.drawToolTipOutline(dc, bgBounds.getWidth(), bgBounds.getHeight(), attributes);
gl.glTranslated(textTranslation.getX(), textTranslation.getY(), 0);
this.drawToolTipText(dc, text, 0, 0, attributes);
} finally {
stackHandler.pop(gl);
}
}
protected java.awt.Point adjustDrawPointToViewport(
int x, int y, java.awt.geom.Rectangle2D bounds, java.awt.Rectangle viewport) {
if (x + bounds.getMaxX() > viewport.getWidth())
x = (int) (viewport.getWidth() - bounds.getWidth()) - 1;
else if (x < 0) x = 0;
if (y + bounds.getMaxY() > viewport.getHeight())
y = (int) (viewport.getHeight() - bounds.getHeight()) - 1;
else if (y < 0) y = 0;
return new java.awt.Point(x, y);
}
@SuppressWarnings({"UnusedDeclaration"})
protected java.awt.geom.Point2D computeTextTranslation(
DrawContext dc, java.awt.geom.Rectangle2D textBounds, java.awt.Insets insets) {
// The text bounds are assumed to come from the return value of a call to
// TextRenderer.getBounds(). The bounds
// place the origin in the upper left hand corner, with the y axis increasing downward. The y
// coordinate in the bounds corresponds to the baseline of the leftmost character.
return new java.awt.geom.Point2D.Double(
insets.left - textBounds.getX(),
insets.bottom + textBounds.getY() + textBounds.getHeight());
}
private Vec4 computeReferencePoint(DrawContext dc) {
if (dc.getViewportCenterPosition() != null)
return dc.getGlobe().computePointFromPosition(dc.getViewportCenterPosition());
java.awt.geom.Rectangle2D viewport = dc.getView().getViewport();
int x = (int) viewport.getWidth() / 2;
for (int y = (int) (0.5 * viewport.getHeight()); y >= 0; y--) {
Position pos = dc.getView().computePositionFromScreenPoint(x, y);
if (pos == null) continue;
return dc.getGlobe().computePointFromPosition(pos.getLatitude(), pos.getLongitude(), 0d);
}
return null;
}