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package example;
import com.artifex.mupdf.fitz.*;
import java.awt.*;
import java.awt.image.*;
public class PageCanvas extends java.awt.Canvas
{
protected Page page;
protected BufferedImage image;
public static BufferedImage imageFromPixmap(Pixmap pixmap) {
int w = pixmap.getWidth();
int h = pixmap.getHeight();
BufferedImage image = new BufferedImage(w, h, BufferedImage.TYPE_INT_ARGB);
image.setRGB(0, 0, w, h, pixmap.getPixels(), 0, w);
return image;
}
public static BufferedImage imageFromPageWithDevice(Page page, Matrix ctm) {
Rect bbox = page.getBounds();
bbox.transform(ctm);
Pixmap pixmap = new Pixmap(ColorSpace.DeviceBGR, bbox);
pixmap.clear(255);
DrawDevice dev = new DrawDevice(pixmap);
page.run(dev, new Matrix());
dev.destroy();
BufferedImage image = imageFromPixmap(pixmap);
pixmap.destroy();
return image;
}
public static BufferedImage imageFromPage(Page page, Matrix ctm) {
Pixmap pixmap = page.toPixmap(ctm, ColorSpace.DeviceBGR, true);
BufferedImage image = imageFromPixmap(pixmap);
pixmap.destroy();
return image;
}
public PageCanvas(Page page_) {
this.page = page_;
image = imageFromPage(page, new Matrix());
}
public Dimension getPreferredSize() {
return new Dimension(image.getWidth(), image.getHeight());
}
public Dimension getMinimumSize() {
return getPreferredSize();
}
public Dimension getMaximumSize() {
return getPreferredSize();
}
public void paint(Graphics g) {
g.drawImage(image, 0, 0, null);
}
}
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