private static void choosePaint(Component target, Graphics2D g, boolean paintOffscreen) {
log.debug("Painting to target " + target + " , offscreen " + paintOffscreen);
if (paintOffscreen) {
((Paintable) target).paintOffscreen(g, target.getBounds());
} else {
target.paintAll(g);
}
}
/*
* Create a BufferedImage for AWT components.
*
* @param component AWT component to create image from
* @param fileName name of file to be created or null
* @return image the image for the given region
* @exception AWTException see Robot class constructors
* @exception IOException if an error occurs during writing
*/
public static BufferedImage createImage(Component component, String fileName)
throws AWTException, IOException {
Point p = new Point(0, 0);
SwingUtilities.convertPointToScreen(p, component);
Rectangle region = component.getBounds();
region.x = p.x;
region.y = p.y;
return ScreenCapture.createImage(region, fileName);
}
/**
* A very nice trick is to center dialog with their parent.
*
* @param parent The parent <code>Component</code>
* @param child The <code>Component</code> to center
*/
public static void centerComponentChild(Component parent, Component child) {
Rectangle par = parent.getBounds();
Rectangle chi = child.getBounds();
child.setLocation(
new Point(par.x + (par.width - chi.width) / 2, par.y + (par.height - chi.height) / 2));
}
public static String doComponentSnapshot(
Component component,
File file,
SnapshotFileChooser.SnapshotFileType type,
boolean paintOffscreen)
throws IOException {
// TODO Should really make this work for more components
if (paintOffscreen && !(component instanceof Paintable)) {
log.error("Component cannot be painted offscreen. Performing onscreen paint");
paintOffscreen = false;
}
if (paintOffscreen) {
Rectangle rect = component.getBounds();
if (component instanceof MainPanel) {
rect.height = ((MainPanel) component).getOffscreenImageHeight();
} else {
rect.height = Math.min(component.getHeight(), getMaxPanelHeight());
}
// translate to (0, 0) if necessary
int dx = rect.x;
int dy = rect.y;
rect.x = 0;
rect.y = 0;
rect.width -= dx;
rect.height -= dy;
component.setBounds(rect);
}
int width = component.getWidth();
int height = component.getHeight();
// Call appropriate converter
String format = null;
String[] exts = null;
switch (type) {
case SVG:
// log.debug("Exporting svg screenshot");
exportScreenshotSVG(component, file, paintOffscreen);
// exportScreenshotVector2D(component, file, paintOffscreen);
break;
case JPEG:
format = "jpeg";
exts = new String[] {".jpg", ".jpeg"};
break;
case PNG:
format = "png";
exts = new String[] {"." + format};
break;
case EPS:
exportScreenshotEpsGraphics(component, file, paintOffscreen);
// exportScreenshotEpsGraphicsNoRef(component, file, paintOffscreen);
break;
}
if (format != null && exts != null) {
exportScreenShotBufferedImage(component, file, width, height, exts, format, paintOffscreen);
}
return "OK";
}
