/** paint the canvas into a image file of given width and height */
public void writeToImage(String s, int w, int h) {
String ext;
File f;
try {
ext = s.substring(s.lastIndexOf(".") + 1);
f = new File(s);
} catch (Exception e) {
System.out.println(e);
return;
}
if (!ext.equals("jpg") && !ext.equals("png")) {
System.out.println("Cannot write to file: Illegal extension " + ext);
return;
}
boolean opq = true;
if (theOpaque != null) opq = theOpaque;
BufferedImage image = new BufferedImage(w, h, BufferedImage.TYPE_INT_RGB);
Graphics2D g2 = image.createGraphics();
g2.setBackground(Color.white);
g2.setPaint(Color.black);
g2.setStroke(new BasicStroke(1));
g2.setRenderingHint(
RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BICUBIC);
doBuffer(g2, true, new Rectangle(0, 0, w, h));
try {
ImageIO.write(image, ext, f);
} catch (Exception e) {
System.out.println(e);
}
}
@Override
public int print(Graphics g, PageFormat pf, int page) throws PrinterException {
if (page > 0) {
return NO_SUCH_PAGE;
}
int i = pf.getOrientation();
// get the size of the page
double pageWidth = pf.getImageableWidth();
double pageHeight = pf.getImageableHeight();
double myWidth = this.getWidth(); // - borderWidth * 2;
double myHeight = this.getHeight(); // - borderWidth * 2;
double scaleX = pageWidth / myWidth;
double scaleY = pageHeight / myHeight;
double minScale = Math.min(scaleX, scaleY);
Graphics2D g2d = (Graphics2D) g;
g2d.translate(pf.getImageableX(), pf.getImageableY());
g2d.scale(minScale, minScale);
drawPlot(g);
return PAGE_EXISTS;
}
/** [Internal] */
private void paintBackground(Graphics2D g2, Color theBackground) {
Color color1 = g2.getColor();
if (theBackground == null) theBackground = Color.white;
g2.setColor(theBackground);
g2.fillRect(0, 0, 30000, 30000);
g2.setColor(color1);
}
public int print(Graphics g, PageFormat pf, int page) throws PrinterException {
Graphics2D g2 = (Graphics2D) g;
if (page > getPageCount(g2, pf)) return Printable.NO_SUCH_PAGE;
g2.translate(pf.getImageableX(), pf.getImageableY());
drawPage(g2, pf, page);
return Printable.PAGE_EXISTS;
}
public int print(Graphics g, PageFormat pgFmt, int pgIndex) {
if (pgIndex > 0) return Printable.NO_SUCH_PAGE;
Graphics2D g2d = (Graphics2D) g;
g2d.translate(pgFmt.getImageableX(), pgFmt.getImageableY());
doPaint(g2d);
return Printable.PAGE_EXISTS;
}
public void paint(Graphics g) {
gRef = (Graphics2D) g;
// change size of font
gRef.setFont(gRef.getFont().deriveFont(9.0f));
fmRef = g.getFontMetrics();
// Clear background
if (Preferences.monochrome) {
gRef.setColor(Preferences.whiteColor);
} else {
gRef.setColor(Preferences.backgroundColor);
}
gRef.fillRect(0, 0, getWidth(), getHeight());
// set colour to correct drawing colour
if (Preferences.monochrome) {
gRef.setColor(Preferences.blackColor);
} else {
gRef.setColor(Preferences.penColor);
}
gRef.translate(0, margin);
// Call c code to draw tree
gRef.scale(scale, scale);
nativeDrawTree();
}
public static BufferedImage tileImage(BufferedImage im, int width, int height) {
GraphicsConfiguration gc =
GraphicsEnvironment.getLocalGraphicsEnvironment()
.getDefaultScreenDevice()
.getDefaultConfiguration();
int transparency = Transparency.OPAQUE; // Transparency.BITMASK;
BufferedImage compatible = gc.createCompatibleImage(width, height, transparency);
Graphics2D g = (Graphics2D) compatible.getGraphics();
g.setPaint(new TexturePaint(im, new Rectangle(0, 0, im.getWidth(), im.getHeight())));
g.fillRect(0, 0, width, height);
return compatible;
}
public void setPenColour(int colour) {
if (Preferences.monochrome) {
gRef.setColor(Preferences.blackColor);
} else {
if (colour == 0) {
gRef.setColor(Preferences.penColor);
}
if (colour == 1) {
gRef.setColor(Preferences.highlightColor);
}
}
}
/**
* Draws 1/2" crop marks in the corners of the page.
*
* @param g2 the graphics context
* @param pf the page format
*/
public void drawCropMarks(Graphics2D g2, PageFormat pf) {
final double C = 36; // crop mark length = 1/2 inch
double w = pf.getImageableWidth();
double h = pf.getImageableHeight();
g2.draw(new Line2D.Double(0, 0, 0, C));
g2.draw(new Line2D.Double(0, 0, C, 0));
g2.draw(new Line2D.Double(w, 0, w, C));
g2.draw(new Line2D.Double(w, 0, w - C, 0));
g2.draw(new Line2D.Double(0, h, 0, h - C));
g2.draw(new Line2D.Double(0, h, C, h));
g2.draw(new Line2D.Double(w, h, w, h - C));
g2.draw(new Line2D.Double(w, h, w - C, h));
}
public int print(Graphics g,PageFormat pf,int pageIndex) {
if (pageIndex == 0) {
Graphics2D g2d= (Graphics2D)g;
g2d.translate(pf.getImageableX(), pf.getImageableY());
g2d.setColor(Color.black);
g2d.drawString("example string", 250, 250);
g2d.fillRect(0, 0, 200, 200);
return Printable.PAGE_EXISTS;
} else {
return Printable.NO_SUCH_PAGE;
}
}
/** [Internal] */
public int print(Graphics g, PageFormat pf, int pi) throws PrinterException {
if (pi >= 1) {
return Printable.NO_SUCH_PAGE;
}
RepaintManager currentManager = RepaintManager.currentManager(this);
currentManager.setDoubleBufferingEnabled(false);
Graphics2D g2 = (Graphics2D) g;
initState(g2, true);
g2.translate((int) (pf.getImageableX() + 1), (int) (pf.getImageableY() + 1));
g2.scale(printScale, printScale);
doBuffer(g2, true, null);
currentManager.setDoubleBufferingEnabled(true);
return Printable.PAGE_EXISTS;
}
private synchronized void doBuffer(Graphics2D g2, boolean opq, Rectangle rt) {
origTransform = g2.getTransform();
if (opq && rt != null) g2.clearRect(rt.x, rt.y, rt.width, rt.height);
g2.setPaint(origPaint);
g2.setFont(origFont);
g2.setStroke(origStroke);
if (inBuffer) { // System.out.println("upps");
for (int i = 0; i < a1x.size(); i++) doPaint(g2, a1x.get(i), a2x.get(i));
origTransform = null;
return;
}
for (int i = 0; i < a1.size(); i++) doPaint(g2, a1.get(i), a2.get(i));
origTransform = null;
}
@Override
public int print(Graphics g, PageFormat pf, int pageIndex) throws PrinterException {
System.out.println("PageFormat: width=" + pf.getWidth() + ", height=" + pf.getHeight());
Logger.getGlobal().log(Level.INFO, "PageFormat {0}", pf);
System.out.println("pageIndex " + pageIndex);
Logger.getGlobal().log(Level.INFO, "pageIndex {0}", pageIndex);
if (pageIndex == 0) {
Graphics2D g2d = (Graphics2D) g;
Font font = g2d.getFont();
g2d.setFont(font.deriveFont((float) fontSize));
g2d.translate(pf.getImageableX(), pf.getImageableY());
g2d.setColor(Color.black);
int step = g2d.getFont().getSize();
step += step / 4;
double y = paddingTop + g2d.getFont().getSize();
for (String s : printStringList) {
Logger.getGlobal().log(Level.INFO, "printStringList: {0}", s);
g2d.drawString(s, (float) paddingLeft, (float) y);
y += step;
}
// g2d.fillRect(0, 0, 200, 200);
return Printable.PAGE_EXISTS;
} else {
return Printable.NO_SUCH_PAGE;
}
}
public void drawPage(Graphics2D g2, PageFormat pf, int page) {
if (message.equals("")) return;
page--; // account for cover page
drawCropMarks(g2, pf);
g2.clip(new Rectangle2D.Double(0, 0, pf.getImageableWidth(), pf.getImageableHeight()));
g2.translate(-page * pf.getImageableWidth(), 0);
g2.scale(scale, scale);
FontRenderContext context = g2.getFontRenderContext();
Font f = new Font("Serif", Font.PLAIN, 72);
TextLayout layout = new TextLayout(message, f, context);
AffineTransform transform = AffineTransform.getTranslateInstance(0, layout.getAscent());
Shape outline = layout.getOutline(transform);
g2.draw(outline);
}
private void fillPolyline(int x[], int y[], int length, int symbolType) {
if (!Preferences.monochrome) {
setFillColor(symbolType);
gRef.fillPolygon(x, y, length);
restoreColor();
}
}
private void fillRectangle(int x, int y, int width, int height, int symbolType) {
if (!Preferences.monochrome) {
setFillColor(symbolType);
gRef.fillRect(x, y, width, height);
restoreColor();
}
}
private void drawString(String str, int x, int y) {
// text does not work correctly for very small scales.
if (textEnabled && scale > 0.05) {
gRef.drawString(str, x, y);
}
}
private void fillArc(
int x, int y, int width, int height, int startAngle, int arcAngle, int symbolType) {
if (!Preferences.monochrome) {
setFillColor(symbolType);
gRef.fillArc(x, y, width, height, startAngle, arcAngle);
restoreColor();
}
}
/**
* Repaints the text.
*
* @param gfx The graphics context
*/
public void paint(Graphics gfx) {
Graphics2D g2 = (Graphics2D) gfx;
g2.setRenderingHint(
RenderingHints.KEY_TEXT_ANTIALIASING,
antialias
? RenderingHints.VALUE_TEXT_ANTIALIAS_ON
: RenderingHints.VALUE_TEXT_ANTIALIAS_OFF);
tabSize =
fm.charWidth(' ')
* ((Integer) textArea.getDocument().getProperty(PlainDocument.tabSizeAttribute))
.intValue();
Rectangle clipRect = gfx.getClipBounds();
gfx.setColor(getBackground());
gfx.fillRect(clipRect.x, clipRect.y, clipRect.width, clipRect.height);
// We don't use yToLine() here because that method doesn't
// return lines past the end of the document
int height = fm.getHeight();
int firstLine = textArea.getFirstLine();
int firstInvalid = firstLine + clipRect.y / height;
// Because the clipRect's height is usually an even multiple
// of the font height, we subtract 1 from it, otherwise one
// too many lines will always be painted.
int lastInvalid = firstLine + (clipRect.y + clipRect.height - 1) / height;
try {
TokenMarker tokenMarker = textArea.getDocument().getTokenMarker();
int x = textArea.getHorizontalOffset();
for (int line = firstInvalid; line <= lastInvalid; line++) {
paintLine(gfx, tokenMarker, line, x);
}
if (tokenMarker != null && tokenMarker.isNextLineRequested()) {
int h = clipRect.y + clipRect.height;
repaint(0, h, getWidth(), getHeight() - h);
}
} catch (Exception e) {
System.err.println(
"Error repainting line" + " range {" + firstInvalid + "," + lastInvalid + "}:");
e.printStackTrace();
}
}
/** This method is required to implement the Printable interface */
public int print(Graphics g, PageFormat pageFormat, int pageIndex) throws PrinterException {
if (pageIndex >= 1) {
return NO_SUCH_PAGE;
}
Graphics2D g2 = (Graphics2D) g;
Dimension cs = printTarget.getSize();
g2.translate(pageFormat.getImageableX(), pageFormat.getImageableY());
double imageableWidth = pageFormat.getImageableWidth();
double imageableHeight = pageFormat.getImageableHeight();
double scale = 1;
if (cs.width >= imageableWidth) {
scale = imageableWidth / cs.width;
}
g2.scale(scale, scale);
// g2.translate((imageableWidth - cs.width)*scale/2,
// (imageableHeight - cs.height)*scale/2);
printTarget.paintAll(g2);
return Printable.PAGE_EXISTS;
}
/**
* Gets the page count of this section.
*
* @param g2 the graphics context
* @param pf the page format
* @return the number of pages needed
*/
public int getPageCount(Graphics2D g2, PageFormat pf) {
if (message.equals("")) return 0;
FontRenderContext context = g2.getFontRenderContext();
Font f = new Font("Serif", Font.PLAIN, 72);
Rectangle2D bounds = f.getStringBounds(message, context);
scale = pf.getImageableHeight() / bounds.getHeight();
double width = scale * bounds.getWidth();
int pages = (int) Math.ceil(width / pf.getImageableWidth());
return pages;
}
public void doPaint(Graphics g) {
Graphics2D g2 = (Graphics2D) g;
g2.setColor(Color.black);
BufferedImage bimg = new BufferedImage(200, 200, BufferedImage.TYPE_INT_ARGB);
Graphics ig = bimg.getGraphics();
Color alphared = new Color(255, 0, 0, 128);
Color alphagreen = new Color(0, 255, 0, 128);
Color alphablue = new Color(0, 0, 255, 128);
ig.setColor(alphared);
ig.fillRect(0, 0, 200, 200);
ig.setColor(alphagreen);
ig.fillRect(25, 25, 150, 150);
ig.setColor(alphablue);
ig.fillRect(75, 75, 125, 125);
g.drawImage(bimg, 10, 25, this);
GradientPaint gp = new GradientPaint(10.0f, 10.0f, alphablue, 210.0f, 210.0f, alphared, true);
g2.setPaint(gp);
g2.fillRect(10, 240, 200, 200);
}
private synchronized void toBuffer(int s, Object a) {
a1.add(s);
a2.add(a);
if (s == clear) {
clearBuffer();
}
if (s == opaque) theOpaque = (Boolean) a;
if (s == setBackground) theBackground = (Color) a;
if (inBuffer) return;
if (isSetter(s)) return;
Graphics g = getGraphics();
if (g == null) return;
Graphics2D g2 = (Graphics2D) g;
g2.setPaint(origPaint);
g2.setFont(origFont);
g2.setStroke(origStroke);
for (int i = 0; i < a1.size() - 1; i++) {
int s1 = a1.get(i);
Object s2 = a2.get(i);
if (isSetter(s1)) doPaint(g2, s1, s2);
}
doPaint((Graphics2D) g, s, a);
}
public int print(Graphics g, PageFormat pf, int pageIndex) {
int response = NO_SUCH_PAGE;
Graphics2D g2 = (Graphics2D) g;
disableDoubleBuffering(componentToBePrinted);
Dimension d = componentToBePrinted.getSize();
double panelWidth = d.width;
double panelHeight = d.height;
double pageHeight = pf.getImageableHeight();
double pageWidth = pf.getImageableWidth();
double scale = pageWidth / panelWidth;
int totalNumPages = (int) Math.ceil(scale * panelHeight / pageHeight);
if (pageIndex >= totalNumPages) {
response = NO_SUCH_PAGE;
} else {
g2.translate(pf.getImageableX(), pf.getImageableY());
g2.translate(0f, -pageIndex * pageHeight);
g2.scale(scale, scale);
componentToBePrinted.paint(g2);
enableDoubleBuffering(componentToBePrinted);
response = Printable.PAGE_EXISTS;
}
return response;
}
public int print(Graphics g, PageFormat pageFormat, int pageIndex) {
int lineHeight = fm.getHeight();
int linesPerPage = (int) (pageFormat.getImageableHeight() / lineHeight);
int lineCount = textArea.getLineCount();
int lastPage = lineCount / linesPerPage;
if (pageIndex > lastPage) {
return NO_SUCH_PAGE;
} else {
Graphics2D g2d = (Graphics2D) g;
TokenMarker tokenMarker = textArea.getDocument().getTokenMarker();
int firstLine = pageIndex * linesPerPage;
g2d.translate(
Math.max(54, pageFormat.getImageableX()),
pageFormat.getImageableY() - firstLine * lineHeight);
printing = true;
for (int line = firstLine; line < firstLine + linesPerPage; line++) {
paintLine(g2d, tokenMarker, line, 0);
}
printing = false;
return PAGE_EXISTS;
}
}
public int print(Graphics g, PageFormat pf, int pageIndex) throws PrinterException {
// Component printMe = getPrintComponent();
Graphics2D g2 = (Graphics2D) g;
g2.setColor(Color.black); // set default foreground color to black
// for faster printing, turn off double buffering
// RepaintManager.currentManager(this).setDoubleBufferingEnabled(false);
Dimension d = printComponent.getSize(); // get size of document
double panelWidth = d.width; // width in pixels
double panelHeight = d.height; // height in pixels
double pageHeight = pf.getImageableHeight(); // height of printer page
double pageWidth = pf.getImageableWidth(); // width of printer page
double scale = pageWidth / panelWidth;
int totalNumPages = (int) Math.ceil(scale * panelHeight / pageHeight);
// make sure we don't print empty pages
if (pageIndex >= totalNumPages) {
return Printable.NO_SUCH_PAGE;
}
// shift Graphic to line up with beginning of print-imageable region
g2.translate(pf.getImageableX(), pf.getImageableY());
// shift Graphic to line up with beginning of next page to print
g2.translate(0f, -pageIndex * pageHeight);
// scale the page so the width fits...
g2.scale(scale, scale);
// PRINT IT!
printComponent.paint(g2);
return Printable.PAGE_EXISTS;
}
public static BufferedImage rotateImage(BufferedImage bi) {
int w = bi.getWidth();
int h = bi.getHeight();
BufferedImage image = new BufferedImage(h, w, BufferedImage.TYPE_INT_RGB);
Graphics2D g2 = image.createGraphics();
g2.setRenderingHint(
RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BICUBIC);
g2.setPaint(Color.white); // getBackground());
g2.fillRect(0, 0, h, w);
g2.rotate(90 * Math.PI / 180);
g2.drawImage(bi, 0, -h, w, h, null); // this);
g2.dispose();
return image;
}
public static BufferedImage cropImage(BufferedImage bi, int x, int y, int w, int h) {
BufferedImage image = new BufferedImage(w, h, BufferedImage.TYPE_INT_RGB);
Graphics2D g2 = image.createGraphics();
g2.setRenderingHint(
RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BICUBIC);
g2.setPaint(Color.white);
g2.fillRect(0, 0, w, h);
g2.drawImage(bi, -x, -y, null); // this);
g2.dispose();
return image;
}
/* (non-Javadoc)
* @see java.awt.print.Printable#print(java.awt.Graphics, java.awt.print.PageFormat, int)
*/
public int print(Graphics g, PageFormat pf, int page) throws PrinterException {
int ret = PAGE_EXISTS;
String line = null;
try {
if (fph.knownPage(page)) {
in.seek(fph.getFileOffset(page));
line = in.readLine();
} else {
long offset = in.getFilePointer();
line = in.readLine();
if (line == null) {
ret = NO_SUCH_PAGE;
} else {
fph.createPage(page);
fph.setFileOffset(page, offset);
}
}
if (ret == PAGE_EXISTS) {
// Seite ausgeben, Grafikkontext vorbereiten
Graphics2D g2 = (Graphics2D) g;
g2.scale(1.0 / RESMUL, 1.0 / RESMUL);
int ypos = (int) pf.getImageableY() * RESMUL;
int xpos = ((int) pf.getImageableX() + 2) * RESMUL;
int yd = 12 * RESMUL;
int ymax = ypos + (int) pf.getImageableHeight() * RESMUL - yd;
// Seitentitel ausgeben
ypos += yd;
g2.setColor(Color.black);
g2.setFont(new Font("Monospaced", Font.BOLD, 10 * RESMUL));
g.drawString(fbname + " Seite " + (page + 1), xpos, ypos);
g.drawLine(
xpos,
ypos + 6 * RESMUL,
xpos + (int) pf.getImageableWidth() * RESMUL,
ypos + 6 * RESMUL);
ypos += 2 * yd;
// Zeilen ausgeben
g2.setColor(new Color(0, 0, 127));
g2.setFont(new Font("Monospaced", Font.PLAIN, 10 * RESMUL));
while (line != null) {
g.drawString(line, xpos, ypos);
ypos += yd;
if (ypos >= ymax) {
break;
}
line = in.readLine();
}
}
} catch (IOException e) {
throw new PrinterException(e.toString());
}
return ret;
}
public static BufferedImage scaleImage(BufferedImage bi, double scale) {
int w1 = (int) (Math.round(scale * bi.getWidth()));
int h1 = (int) (Math.round(scale * bi.getHeight()));
BufferedImage image = new BufferedImage(w1, h1, BufferedImage.TYPE_INT_RGB);
Graphics2D g2 = image.createGraphics();
g2.setRenderingHint(
RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BICUBIC);
g2.setPaint(Color.white);
g2.fillRect(0, 0, w1, h1);
g2.drawImage(bi, 0, 0, w1, h1, null); // this);
g2.dispose();
return image;
}
