/**
* Gets the content size for the specified page.
*
* @param page the page number.
* @return the content size.
*/
public Rectangle2D getContentSize(final int page) {
Rectangle2D content = scene.getContentSize();
return new Rectangle2D.Double(
content.getX(),
(page - 1) * perPage * scene.getScalingFactor(),
content.getWidth(),
perPage * scene.getScalingFactor());
}
/**
* Render a page of the scene.
*
* @param page the page.
* @param graphics the graphics.
*/
public void renderContents(final int page, final GraphicsContext graphics) {
scene.setParameter("page", "" + page);
Rectangle2D contents = scene.getContentSize();
renderContents(
graphics,
new Rectangle2D.Double(
contents.getX(),
(start + (page - 1) * perPage) * scene.getScalingFactor(),
contents.getWidth(),
perPage * scene.getScalingFactor()));
scene.setParameter("page", null);
}
/**
* Create a new PageableScene.
*
* @param scene the scene.
* @param paper the paper.
* @param perPage the number of scene units per page.
*/
public PageableScene(final Scene scene, final Paper paper, final double perPage) {
this(
scene,
paper,
scene.getContentSize().getY() / scene.getScalingFactor(),
perPage,
true,
true);
}
public double getScalingFactor() {
return scene.getScalingFactor();
}
/**
* Gets the number of pages with the specified start Y value in scene coordinates.
*
* @return the number of pages.
*/
public int getPageCount() {
Rectangle2D content = scene.getContentSize();
double height = content.getMaxY() / scene.getScalingFactor() - start;
return (int) Math.ceil(height / perPage);
}