public Rectangle getRectangle(final IModelSpaceCanvas canvas) {
Rectangle rect = _image.getBounds();
int w = rect.x;
int h = rect.y;
int numPoints = getPointCount();
if (numPoints == 1) {
ImageAnchor anchor = getAnchorType();
Point2D.Double m = new Point2D.Double(getPoint(0).getX(), getPoint(0).getY());
Point2D.Double p = new Point2D.Double(0, 0);
canvas.transformModelToPixel(getModelSpace(), m.getX(), m.getY(), p);
if (anchor.equals(ImageAnchor.Center)) {
rect = new Rectangle((int) (p.x - w / 2), (int) (p.y - h / 2), w, h);
} else if (anchor.equals(ImageAnchor.UpperLeft)) {
rect = new Rectangle((int) p.x, (int) p.y, w, h);
} else if (anchor.equals(ImageAnchor.UpperRight)) {
rect = new Rectangle((int) (p.x - w), (int) p.y, w, h);
} else if (anchor.equals(ImageAnchor.LowerLeft)) {
rect = new Rectangle((int) p.x, (int) (p.y - h), w, h);
} else if (anchor.equals(ImageAnchor.LowerRight)) {
rect = new Rectangle((int) (p.x - w), (int) (p.y - h), w, h);
} else {
throw new RuntimeException("Invalid image anchor: " + anchor);
}
} else if (numPoints >= 2) {
int xmin = Integer.MAX_VALUE;
int xmax = -Integer.MAX_VALUE;
int ymin = Integer.MAX_VALUE;
int ymax = -Integer.MAX_VALUE;
for (int i = 0; i < numPoints; i++) {
Point2D.Double m = new Point2D.Double(getPoint(i).getX(), getPoint(i).getY());
Point2D.Double p = new Point2D.Double(0, 0);
canvas.transformModelToPixel(getModelSpace(), m.getX(), m.getY(), p);
xmin = Math.min(xmin, (int) p.getX());
xmax = Math.max(xmax, (int) p.getX());
ymin = Math.min(ymin, (int) p.getY());
ymax = Math.max(ymax, (int) p.getY());
}
w = xmax - xmin + 1;
h = ymax - ymin + 1;
rect = new Rectangle(xmin, ymin, w, h);
} else {
throw new RuntimeException("Invalid image definition.");
}
return rect;
}
@Override
protected void initializeViewerSpecificFeatures() {
IModelSpaceCanvas canvas = _plot.getModelSpaceCanvas();
canvas.removeCursorListener(_plot);
canvas.addCursorListener(this);
canvas
.getComposite()
.addKeyListener(
new KeyAdapter() {
@Override
public void keyPressed(final KeyEvent e) {
IModelSpace activeModelSpace = _plot.getActiveModelSpace();
if (e.keyCode == SWT.ARROW_UP) {
if (activeModelSpace.getAxisY().getScale() == AxisScale.LOG) {
MessageDialog.openError(
getShell(),
"Shift Error",
"Shifting of a logarithmic axis not currently supported.");
return;
}
ModelSpaceBounds bounds = activeModelSpace.getViewableBounds();
double yStart = bounds.getStartY();
double yEnd = bounds.getEndY();
double dist = yEnd - yStart;
double shift = dist / 4;
double sign = -1;
AxisDirection direction = activeModelSpace.getAxisY().getDirection();
if (direction.equals(AxisDirection.BOTTOM_TO_TOP)) {
sign = 1;
}
yStart += shift * sign;
yEnd += shift * sign;
activeModelSpace.setViewableBounds(
bounds.getStartX(), bounds.getEndX(), yStart, yEnd);
} else if (e.keyCode == SWT.ARROW_DOWN) {
if (activeModelSpace.getAxisY().getScale() == AxisScale.LOG) {
MessageDialog.openError(
getShell(),
"Shift Error",
"Shifting of a logarithmic axis not currently supported.");
return;
}
ModelSpaceBounds bounds = activeModelSpace.getViewableBounds();
double yStart = bounds.getStartY();
double yEnd = bounds.getEndY();
double dist = yEnd - yStart;
double shift = dist / 4;
double sign = 1;
AxisDirection direction = activeModelSpace.getAxisY().getDirection();
if (direction.equals(AxisDirection.BOTTOM_TO_TOP)) {
sign = -1;
}
yStart += shift * sign;
yEnd += shift * sign;
activeModelSpace.setViewableBounds(
bounds.getStartX(), bounds.getEndX(), yStart, yEnd);
} else if (e.keyCode == SWT.ARROW_LEFT) {
if (activeModelSpace.getAxisX().getScale() == AxisScale.LOG) {
MessageDialog.openError(
getShell(),
"Shift Error",
"Shifting of a logarithmic axis not currently supported.");
return;
}
ModelSpaceBounds bounds = activeModelSpace.getViewableBounds();
double xStart = bounds.getStartX();
double xEnd = bounds.getEndX();
double dist = xEnd - xStart;
double shift = dist / 4;
double sign = 1;
AxisDirection direction = activeModelSpace.getAxisX().getDirection();
if (direction.equals(AxisDirection.LEFT_TO_RIGHT)) {
sign = -1;
}
xStart += shift * sign;
xEnd += shift * sign;
activeModelSpace.setViewableBounds(
xStart, xEnd, bounds.getStartY(), bounds.getEndY());
} else if (e.keyCode == SWT.ARROW_RIGHT) {
if (activeModelSpace.getAxisX().getScale() == AxisScale.LOG) {
MessageDialog.openError(
getShell(),
"Shift Error",
"Shifting of a logarithmic axis not currently supported.");
return;
}
ModelSpaceBounds bounds = activeModelSpace.getViewableBounds();
double xStart = bounds.getStartX();
double xEnd = bounds.getEndX();
double dist = xEnd - xStart;
double shift = dist / 4;
double sign = -1;
AxisDirection direction = activeModelSpace.getAxisX().getDirection();
if (direction.equals(AxisDirection.LEFT_TO_RIGHT)) {
sign = 1;
}
xStart += shift * sign;
xEnd += shift * sign;
activeModelSpace.setViewableBounds(
xStart, xEnd, bounds.getStartY(), bounds.getEndY());
} else if (e.character == ' ') {
TreeSelection selection = (TreeSelection) _layerViewer.getSelection();
Iterator iterator = selection.iterator();
while (iterator.hasNext()) {
Object object = iterator.next();
if (object instanceof IViewLayer) {
IViewLayer layer = (IViewLayer) object;
boolean visible = !layer.isVisible();
layer.setVisible(visible);
_layerViewer.setChecked(layer, visible);
_plot.updateAll();
}
}
}
}
});
}