Java Printable.PAGE_EXISTS屬性代碼示例

/**
 * Print the plot to a printer, represented by the specified graphics
 * object.
 *
 * @param graphics The context into which the page is drawn.
 * @param format The size and orientation of the page being drawn.
 * @param index The zero based index of the page to be drawn.
 * @return PAGE_EXISTS if the page is rendered successfully, or
 * NO_SUCH_PAGE if pageIndex specifies a non-existent page.
 * @exception PrinterException If the print job is terminated.
 */

public synchronized int print(Graphics graphics, PageFormat format,
        int index) throws PrinterException {
    if (graphics == null) return Printable.NO_SUCH_PAGE;
    // We only print on one page.
    if (index >= 1) {
        return Printable.NO_SUCH_PAGE;
    }
    Graphics2D graphics2D = (Graphics2D) graphics;
    // Scale the printout to fit the pages.
    // Contributed by Laurent ETUR, Schlumberger Riboud Product Center
    double scalex = format.getImageableWidth() / (double) getWidth();
    double scaley = format.getImageableHeight() / (double) getHeight();
    double scale = Math.min(scalex, scaley);
    graphics2D.translate((int)format.getImageableX(),
            (int)format.getImageableY());
    graphics2D.scale(scale, scale);
    _drawPlot(graphics, true);
    return Printable.PAGE_EXISTS;
}
 

public int print(Graphics g, PageFormat pf, int index) {

        if (index > 0 || image == null) {
            return Printable.NO_SUCH_PAGE;
        }

        ((Graphics2D)g).translate(pf.getImageableX(), pf.getImageableY());
        int w = image.getWidth(null);
        int h = image.getHeight(null);
        int iw = (int)pf.getImageableWidth();
        int ih = (int)pf.getImageableHeight();

        // ensure image will fit
        int dw = w;
        int dh = h;
        if (dw > iw) {
            dh = (int)(dh * ( (float) iw / (float) dw)) ;
            dw = iw;
        }
        if (dh > ih) {
            dw = (int)(dw * ( (float) ih / (float) dh)) ;
            dh = ih;
        }
        // centre on page
        int dx = (iw - dw) / 2;
        int dy = (ih - dh) / 2;

        g.drawImage(image, dx, dy, dx+dw, dy+dh, 0, 0, w, h, null);
        return Printable.PAGE_EXISTS;
    }
 

final public int print(Graphics objPgraphics, PageFormat objPpageFormat, int intPpageIndex) {

		if (this.objGimageAL != null && intPpageIndex < this.objGimageAL.size()) {

			final RenderedImage imgLrendered = (RenderedImage) this.objGimageAL.get(intPpageIndex);

			if (imgLrendered != null) {
				final Graphics2D objLgraphics2D = (Graphics2D) objPgraphics;
				objLgraphics2D.translate(objPpageFormat.getImageableX(), objPpageFormat.getImageableY());

				final double dblLxRatio = objPpageFormat.getImageableWidth() / imgLrendered.getWidth();
				final double dblLyRatio = objPpageFormat.getImageableHeight() / imgLrendered.getHeight();

				objLgraphics2D.scale(dblLxRatio, dblLyRatio);

				final AffineTransform objLaffineTransform =
															AffineTransform.getTranslateInstance(	objPpageFormat.getImageableX(),
																									objPpageFormat.getImageableY());
				objLgraphics2D.drawRenderedImage(imgLrendered, objLaffineTransform);

				return Printable.PAGE_EXISTS;
			}
		}
		return Printable.NO_SUCH_PAGE;
	}
 

public int print(Graphics g, PageFormat pf, int pageIndex)
                     throws PrinterException {

    if (pageIndex > 0) {
        return Printable.NO_SUCH_PAGE;
    }
    g.translate((int) pf.getImageableX(), (int) pf.getImageableY());
    g.setFont(new Font("Dialog", Font.PLAIN, 36));
    g.drawString("\u4e00\u4e01\u4e02\u4e03\u4e04English", 20, 100);
    return Printable.PAGE_EXISTS;
}
 

public int print(java.awt.Graphics graphics,
        java.awt.print.PageFormat pageFormat, int pageIndex)
        throws java.awt.print.PrinterException {
    if (pageIndex > 0) {
        return (Printable.NO_SUCH_PAGE);
    } else {
        java.awt.Graphics2D g2d = (java.awt.Graphics2D) graphics;
        vv.setDoubleBuffered(false);
        g2d.translate(pageFormat.getImageableX(), pageFormat
                .getImageableY());

        vv.paint(g2d);
        vv.setDoubleBuffered(true);

        return (Printable.PAGE_EXISTS);
    }
}
 

public int print(Graphics g, PageFormat pf, int pgIndex) {
    if (pgIndex > 0) {
        return Printable.NO_SUCH_PAGE;
    } else {
        // "aware" client code can detect that its been passed a
        // PrinterGraphics and could theoretically print
        // differently. I think this is more likely useful than
        // a problem.
        applet.printAll(g);
        return Printable.PAGE_EXISTS;
    }
}
 

public int print(Graphics graphics,
                 PageFormat pageFormat,
                 int pageIndex)
        throws PrinterException {
    if (pageIndex >= 1) {
        return Printable.NO_SUCH_PAGE;
    }

    this.paint(graphics);
    return Printable.PAGE_EXISTS;
}
 

@Override
public int print(Graphics g, PageFormat pf, int pageIndex)
    throws PrinterException {
    if (pageIndex == 0) {
        g.setColor(Color.RED);
        g.drawRect((int)pf.getImageableX(), (int)pf.getImageableY(),
            (int)pf.getImageableWidth(), (int)pf.getImageableHeight());
        return Printable.PAGE_EXISTS;
    } else {
        return Printable.NO_SUCH_PAGE;
    }
}
 

@Override
public int print(Graphics graphics, PageFormat pageFormat, int pageIndex)
        throws PrinterException {
    if (pageIndex == 0) {
        return Printable.PAGE_EXISTS;
    } else {
        return Printable.NO_SUCH_PAGE;
    }
}
 

@Override
public int print(Graphics base, PageFormat format, int pageIndex) {
	if (pageIndex >= circuits.size())
		return Printable.NO_SUCH_PAGE;

	Circuit circ = circuits.get(pageIndex);
	CircuitState circState = proj.getCircuitState(circ);
	Graphics g = base.create();
	Graphics2D g2 = g instanceof Graphics2D ? (Graphics2D) g : null;
	FontMetrics fm = g.getFontMetrics();
	String head = (header != null && !header.equals(""))
			? format(header, pageIndex + 1, circuits.size(), circ.getName())
			: null;
	int headHeight = (head == null ? 0 : fm.getHeight());

	// Compute image size
	double imWidth = format.getImageableWidth();
	double imHeight = format.getImageableHeight();

	// Correct coordinate system for page, including
	// translation and possible rotation.
	Bounds bds = circ.getBounds(g).expand(4);
	double scale = Math.min(imWidth / bds.getWidth(), (imHeight - headHeight) / bds.getHeight());
	if (g2 != null) {
		g2.translate(format.getImageableX(), format.getImageableY());
		if (rotateToFit && scale < 1.0 / 1.1) {
			double scale2 = Math.min(imHeight / bds.getWidth(), (imWidth - headHeight) / bds.getHeight());
			if (scale2 >= scale * 1.1) { // will rotate
				scale = scale2;
				if (imHeight > imWidth) { // portrait -> landscape
					g2.translate(0, imHeight);
					g2.rotate(-Math.PI / 2);
				} else { // landscape -> portrait
					g2.translate(imWidth, 0);
					g2.rotate(Math.PI / 2);
				}
				double t = imHeight;
				imHeight = imWidth;
				imWidth = t;
			}
		}
	}

	// Draw the header line if appropriate
	if (head != null) {
		g.drawString(head, (int) Math.round((imWidth - fm.stringWidth(head)) / 2), fm.getAscent());
		if (g2 != null) {
			imHeight -= headHeight;
			g2.translate(0, headHeight);
		}
	}

	// Now change coordinate system for circuit, including
	// translation and possible scaling
	if (g2 != null) {
		if (scale < 1.0) {
			g2.scale(scale, scale);
			imWidth /= scale;
			imHeight /= scale;
		}
		double dx = Math.max(0.0, (imWidth - bds.getWidth()) / 2);
		g2.translate(-bds.getX() + dx, -bds.getY());
	}

	// Ensure that the circuit is eligible to be drawn
	Rectangle clip = g.getClipBounds();
	clip.add(bds.getX(), bds.getY());
	clip.add(bds.getX() + bds.getWidth(), bds.getY() + bds.getHeight());
	g.setClip(clip);

	// And finally draw the circuit onto the page
	ComponentDrawContext context = new ComponentDrawContext(proj.getFrame().getCanvas(), circ, circState, base,
			g, printerView);
	Collection<Component> noComps = Collections.emptySet();
	circ.draw(context, noComps);
	g.dispose();
	return Printable.PAGE_EXISTS;
}