/** 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);
}
}
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;
}
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);
}
private void setPenWidth(int width) {
gRef.setStroke(new BasicStroke(width));
}
public int print(Graphics gc, PageFormat format, int pageIndex)
throws java.awt.print.PrinterException {
if (pageIndex > 0) {
out("page " + pageIndex + " requested, ending print job.");
return Printable.NO_SUCH_PAGE;
}
Dimension page =
new Dimension(
(int) format.getImageableWidth() - 1, (int) format.getImageableHeight() - 1);
Graphics2D g = (Graphics2D) gc;
out(
"asked to render page "
+ pageIndex
+ " in "
+ outpf(format)
+ " w/transform "
+ g.getTransform());
// note: supposedly, perhaps on Windows with JVM's 1.5 and newer, the
// transform scale provided can actually allow us to derive the DPI of the
// print device, which we could use for image rendering optimization's
// during prints. Mac OS X Snow Leopard w/JVM 1.6 always reports a 1.0
// scale though. And operations like "print preview" or "print to PDF"
// wouldn't have a fixed DPI anyway.
if (DEBUG.CONTAINMENT) {
g.setColor(Color.lightGray);
g.fillRect(0, 0, 9999, 9999);
}
g.translate(format.getImageableX(), format.getImageableY());
// Don't need to clip if printing whole map, as computed zoom
// should have made sure everything is within page size
// if (!isPrintingView())
// g.clipRect(0, 0, page.width, page.height);
if (DEBUG.CONTAINMENT) {
// g.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, 0.5f));
// draw border outline of page
g.setColor(Color.gray);
g.setStroke(VueConstants.STROKE_TWO);
g.drawRect(0, 0, page.width, page.height);
// g.setComposite(AlphaComposite.Src);
}
// compute zoom & offset for visible map components
Point2D.Float offset = new Point2D.Float();
// center vertically only if landscape mode
// if (format.getOrientation() == PageFormat.LANDSCAPE)
// TODO: allow horizontal centering, but not vertical centering (handle in computeZoomFit)
double scale = ZoomTool.computeZoomFit(page, 5, bounds, offset, true);
out("rendering at scale " + scale);
// set up the DrawContext
DrawContext dc =
new DrawContext(
g, scale, -offset.x, -offset.y,
null, // frame would be the PageFormat offset & size rectangle
focal, false); // todo: absolute links shouldn't be spec'd here
dc.setMapDrawing();
dc.setPrintQuality();
if (isPrintingView() && map == focal)
g.clipRect(
(int) Math.floor(bounds.getX()),
(int) Math.floor(bounds.getY()),
(int) Math.ceil(bounds.getWidth()),
(int) Math.ceil(bounds.getHeight()));
if (DEBUG.CONTAINMENT) {
g.setColor(Color.red);
g.setStroke(VueConstants.STROKE_TWO);
g.draw(bounds);
}
// render the map
if (map == focal) map.draw(dc);
else focal.draw(dc);
out("page " + pageIndex + " rendered.");
return Printable.PAGE_EXISTS;
}
// also clip, transform, composite,
// public boolean isOpaque(){return false;}//theOpaque!=null&&theOpaque;}
// ---------------------------------------------------------
private void doPaint(Graphics2D g, int s, Object o) {
// process an operation from the buffer
// System.out.println(s);
Object o1 = null,
o2 = null,
o3 = null,
o4 = null,
o5 = null,
o6 = null,
o7 = null,
o8 = null,
o9 = null,
o10 = null,
o11 = null;
if (o instanceof Object[]) {
Object[] a = (Object[]) o;
if (a.length > 0) o1 = a[0];
if (a.length > 1) o2 = a[1];
if (a.length > 2) o3 = a[2];
if (a.length > 3) o4 = a[3];
if (a.length > 4) o5 = a[4];
if (a.length > 5) o6 = a[5];
if (a.length > 6) o7 = a[6];
if (a.length > 7) o8 = a[7];
if (a.length > 8) o9 = a[8];
if (a.length > 9) o10 = a[9];
if (a.length > 10) o11 = a[10];
}
switch (s) {
case clear:
paintBackground(g, theBackground);
break;
// public void addRenderingHints(Map<?,?> hints)
// {toBuffer("addRenderingHints",hints );}
case addRenderingHints:
g.addRenderingHints((Map<?, ?>) o);
break;
case clip1:
g.clip((Shape) o);
break;
case draw1:
g.draw((Shape) o);
break;
case draw3DRect:
g.draw3DRect((Integer) o1, (Integer) o2, (Integer) o3, (Integer) o4, (Boolean) o5);
break;
case drawGlyphVector:
g.drawGlyphVector((GlyphVector) o1, (Float) o2, (Float) o3);
break;
case drawImage1:
g.drawImage((BufferedImage) o1, (BufferedImageOp) o2, (Integer) o3, (Integer) o4);
break;
case drawImage2:
g.drawImage((Image) o1, (AffineTransform) o2, (ImageObserver) o3);
break;
case drawRenderableImage:
g.drawRenderableImage((RenderableImage) o1, (AffineTransform) o2);
break;
case drawRenderedImage:
g.drawRenderedImage((RenderedImage) o1, (AffineTransform) o2);
break;
case drawString1:
g.drawString((AttributedCharacterIterator) o1, (Float) o2, (Float) o3);
break;
case drawString2:
g.drawString((AttributedCharacterIterator) o1, (Integer) o2, (Integer) o3);
break;
case drawString3:
g.drawString((String) o1, (Float) o2, (Float) o3);
break;
case drawString4:
g.drawString((String) o1, (Integer) o2, (Integer) o3);
break;
case fill:
g.fill((Shape) o);
break;
case fill3DRect:
g.fill3DRect((Integer) o1, (Integer) o2, (Integer) o3, (Integer) o4, (Boolean) o5);
break;
case rotate1:
g.rotate((Double) o);
break;
case rotate2:
g.rotate((Double) o1, (Double) o2, (Double) o3);
break;
case scale1:
g.scale((Double) o1, (Double) o2);
break;
case setBackground:
g.setBackground(
(Color) o); // paintBackground(g,(Color)o); /*super.setBackground((Color)o) ;*/
break;
case setComposite:
g.setComposite((Composite) o);
break;
case setPaint:
g.setPaint((Paint) o);
break;
case setRenderingHint:
g.setRenderingHint((RenderingHints.Key) o1, o2);
break;
case setRenderingHints:
g.setRenderingHints((Map<?, ?>) o);
break;
case setStroke:
g.setStroke((Stroke) o);
break;
case setTransform:
g.setTransform(makeTransform(o));
break;
case shear:
g.shear((Double) o1, (Double) o2);
break;
case transform1:
g.transform(makeTransform(o));
break;
case translate1:
g.translate((Double) o1, (Double) o2);
break;
case translate2:
g.translate((Integer) o1, (Integer) o2);
break;
case clearRect:
g.clearRect((Integer) o1, (Integer) o2, (Integer) o3, (Integer) o4);
break;
case copyArea:
g.copyArea(
(Integer) o1, (Integer) o2, (Integer) o3, (Integer) o4, (Integer) o5, (Integer) o6);
break;
case drawArc:
g.drawArc(
(Integer) o1, (Integer) o2, (Integer) o3, (Integer) o4, (Integer) o5, (Integer) o6);
break;
case drawBytes:
g.drawBytes((byte[]) o1, (Integer) o2, (Integer) o3, (Integer) o4, (Integer) o5);
break;
case drawChars:
g.drawChars((char[]) o1, (Integer) o2, (Integer) o3, (Integer) o4, (Integer) o5);
break;
case drawImage4:
g.drawImage((Image) o1, (Integer) o2, (Integer) o3, (Color) o4, (ImageObserver) o5);
break;
case drawImage5:
g.drawImage((Image) o1, (Integer) o2, (Integer) o3, (ImageObserver) o4);
break;
case drawImage6:
g.drawImage(
(Image) o1,
(Integer) o2,
(Integer) o3,
(Integer) o4,
(Integer) o5,
(Color) o6,
(ImageObserver) o7);
break;
case drawImage7:
g.drawImage(
(Image) o1, (Integer) o2, (Integer) o3, (Integer) o4, (Integer) o5, (ImageObserver) o6);
break;
case drawImage8:
g.drawImage(
(Image) o1,
(Integer) o2,
(Integer) o3,
(Integer) o4,
(Integer) o5,
(Integer) o6,
(Integer) o7,
(Integer) o8,
(Integer) o9,
(Color) o10,
(ImageObserver) o11);
break;
case drawImage9:
g.drawImage(
(Image) o1,
(Integer) o2,
(Integer) o3,
(Integer) o4,
(Integer) o5,
(Integer) o6,
(Integer) o7,
(Integer) o8,
(Integer) o9,
(ImageObserver) o10);
break;
case drawLine:
g.drawLine((Integer) o1, (Integer) o2, (Integer) o3, (Integer) o4);
break;
case drawOval:
g.drawOval((Integer) o1, (Integer) o2, (Integer) o3, (Integer) o4);
break;
case drawPolygon1:
g.drawPolygon((int[]) o1, (int[]) o2, (Integer) o3);
break;
case drawPolygon2:
g.drawPolygon((Polygon) o);
break;
case drawPolyline:
g.drawPolyline((int[]) o1, (int[]) o2, (Integer) o3);
break;
case drawRect:
g.drawRect((Integer) o1, (Integer) o2, (Integer) o3, (Integer) o4);
break;
case drawRoundRect:
g.drawRoundRect(
(Integer) o1, (Integer) o2, (Integer) o3, (Integer) o4, (Integer) o5, (Integer) o6);
break;
case fillArc:
g.fillArc(
(Integer) o1, (Integer) o2, (Integer) o3, (Integer) o4, (Integer) o5, (Integer) o6);
break;
case fillOval:
g.fillOval((Integer) o1, (Integer) o2, (Integer) o3, (Integer) o4);
break;
// {toBuffer("fillPolygon",mkArg(xPoints, yPoints, nPoints) );}
case fillPolygon1:
g.fillPolygon((int[]) o1, (int[]) o2, (Integer) o3);
break;
case fillPolygon2:
g.fillPolygon((Polygon) o);
break;
case fillRect:
g.fillRect((Integer) o1, (Integer) o2, (Integer) o3, (Integer) o4);
break;
case fillRoundRect:
g.fillRoundRect(
(Integer) o1, (Integer) o2, (Integer) o3, (Integer) o4, (Integer) o5, (Integer) o6);
break;
case setClip1:
g.setClip((Shape) o);
break;
case setColor:
g.setColor((Color) o);
break;
case setFont:
g.setFont((Font) o);
break;
case setPaintMode:
g.setPaintMode();
break;
case setXORMode:
g.setXORMode((Color) o);
break;
case opaque:
super.setOpaque((Boolean) o);
break;
case drawOutline: // g.drawString((String)o1, (Integer)o2, (Integer)o3) ;break;
{
FontRenderContext frc = g.getFontRenderContext();
TextLayout tl = new TextLayout((String) o1, g.getFont(), frc);
Shape s1 = tl.getOutline(null);
AffineTransform af = g.getTransform();
g.translate((Integer) o2, (Integer) o3);
g.draw(s1);
g.setTransform(af);
}
;
break;
default:
System.out.println("Unknown image operation " + s);
}
}