/** This internal method begins a new line */
protected void newline() {
charnum = 0; // Reset character number to 0
linenum++; // Increment line number
if (linenum >= lines_per_page) { // If we've reached the end of the page
page.dispose(); // send page to printer
page = null; // but don't start a new page yet.
}
}
public void collect() {
for (int i = 0; i < variable_list.size(); i++) {
((NslVariable) variable_list.elementAt(i)).collect();
}
Graphics gr = getGraphics();
paint_partial(gr);
gr.dispose();
}
private void scaleImage() {
Image img =
back.getScaledInstance(scx(back.getWidth()), scy(back.getHeight()), Image.SCALE_SMOOTH);
back =
new BufferedImage(img.getWidth(null), img.getHeight(null), BufferedImage.TYPE_INT_ARGB);
Graphics g = back.getGraphics();
g.drawImage(img, 0, 0, null);
g.dispose();
}
/**
* Prepare a buffer for the image, return if the canvas is ready Only need to call this when the
* size of the canvas is changed, Since we automatically detect the size change in paint() only
* call this on start
*/
public boolean newImgBuf() {
Dimension sz = getSize();
if (sz.width == 0 || sz.height == 0) return false;
// quit if the current image already has the right size
if (img != null && imgG != null && sz.equals(imgSize)) return true;
img = createImage(sz.width, sz.height);
if (imgG != null) imgG.dispose();
imgG = img.getGraphics();
imgSize = sz;
return true;
}
/** Prints the drawing. */
public void print() {
tool().deactivate();
PrintJob printJob = getToolkit().getPrintJob(this, "Print Drawing", null);
if (printJob != null) {
Graphics pg = printJob.getGraphics();
if (pg != null) {
((StandardDrawingView) view()).printAll(pg);
pg.dispose(); // flush page
}
printJob.end();
}
tool().activate();
}
/** Scales an image. To be used for tiles. Probably not the most efficient scaling method. */
public static Image scaleImage(Image orig, int scale) {
Image result;
if (scale != 1) {
int width = orig.getWidth(null);
int height = orig.getHeight(null);
// Scale cropped image to proper size
result = new BufferedImage(width * scale, height * scale, BufferedImage.TYPE_INT_ARGB);
Graphics g = ((BufferedImage) result).createGraphics();
g.drawImage(orig, 0, 0, width * scale, height * scale, 0, 0, width - 1, height - 1, null);
g.dispose();
} else {
return orig;
}
return result;
}
// This method returns a buffered image with the contents of an image
// Source: http://www.exampledepot.com/egs/java.awt.image/Image2Buf.html
public static BufferedImage toBufferedImage(Image image) {
if (image instanceof BufferedImage) {
return (BufferedImage) image;
}
// This code ensures that all the pixels in the image are loaded
image = new ImageIcon(image).getImage();
// Determine if the image has transparent pixels; for this method's
// implementation, see Determining If an Image Has Transparent Pixels
boolean hasAlpha = hasAlpha(image);
// Create a buffered image with a format that's compatible with the screen
BufferedImage bimage = null;
GraphicsEnvironment ge = GraphicsEnvironment.getLocalGraphicsEnvironment();
try {
// Determine the type of transparency of the new buffered image
int transparency = Transparency.OPAQUE;
if (hasAlpha) {
transparency = Transparency.BITMASK;
}
// Create the buffered image
GraphicsDevice gs = ge.getDefaultScreenDevice();
GraphicsConfiguration gc = gs.getDefaultConfiguration();
bimage = gc.createCompatibleImage(image.getWidth(null), image.getHeight(null), transparency);
} catch (HeadlessException e) {
// The system does not have a screen
}
if (bimage == null) {
// Create a buffered image using the default color model
int type = BufferedImage.TYPE_INT_RGB;
if (hasAlpha) {
type = BufferedImage.TYPE_INT_ARGB;
}
bimage = new BufferedImage(image.getWidth(null), image.getHeight(null), type);
}
// Copy image to buffered image
Graphics g = bimage.createGraphics();
// Paint the image onto the buffered image
g.drawImage(image, 0, 0, null);
g.dispose();
return bimage;
}
static Icon reescala(Icon ic, int maxW, int maxH) {
if (ic == null) {
return null;
}
if (ic.getIconHeight() == maxH && ic.getIconWidth() == maxW) {
return ic;
}
BufferedImage bi =
new BufferedImage(ic.getIconHeight(), ic.getIconWidth(), BufferedImage.TYPE_INT_ARGB);
Graphics g = bi.createGraphics();
ic.paintIcon(null, g, 0, 0);
g.dispose();
Image bf = bi.getScaledInstance(maxW, maxH, Image.SCALE_SMOOTH);
return new ImageIcon(bf);
}
public static java.awt.image.BufferedImage loadBufferedImageFromResources(
Component c, String filename) {
try {
Misc m = new Misc();
java.awt.Image img = loadImageFromResources(filename);
MediaTracker mt = new MediaTracker(c);
mt.addImage(img, 0);
mt.waitForID(0);
int width = img.getWidth(null);
int height = img.getHeight(null);
BufferedImage bi = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
Graphics gg = bi.getGraphics();
gg.drawImage(img, 0, 0, null);
gg.dispose();
return bi;
} catch (Exception ex) {
System.out.println(ex.toString());
}
return null;
}
public void actionPerformed(ActionEvent e) {
PrintJob pjob = getToolkit().getPrintJob(textViewerFrame, "Printing Nslm", null);
if (pjob != null) {
Graphics pg = pjob.getGraphics();
if (pg != null) {
// todo: this should print from
// the file not from the screen.
// if (editor1!=null) {
// editor1.print(pg); //print crashes, must use printAll
// }
// if (scroller1!=null) {
// scroller1.printAll(pg); //is clipping on left
// }
if (scroller1 != null) {
JViewport jvp = scroller1.getViewport();
jvp.printAll(pg);
}
pg.dispose();
}
pjob.end();
}
}
/**
* This is the close() method that all Writer subclasses must implement. Print the pending page
* (if any) and terminate the PrintJob.
*/
public void close() {
synchronized (this.lock) {
if (page != null) page.dispose(); // Send page to the printer
job.end(); // Terminate the job
}
}
