/** 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);
}
}
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;
}
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;
}
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;
}
// Although it presently returns a boolean, that was only needed
// during my aborted attempted at animated graphics primitives.
// Until those become a reality the boolean value returned by this
// routine is unnecessary
public boolean animate(int sAt, boolean forward) {
int x;
LinkedList lt = null;
animation_done =
true; // May be re-set in paintComponent via indirect paintImmediately call at end
// Was used in aborted attempted to
// introduce animated primitives. Now
// it's probably excess baggage that
// remains because I still have hopes
// of eventually having animated
// primitives
if (getSize().width != 0 && getSize().height != 0) {
my_width = getSize().width; // set dimensions
my_height = getSize().height;
} else {
my_width = GaigsAV.preferred_width; // set dimensions
my_height = GaigsAV.preferred_height;
}
// First capture the new image in a buffer called image2
SnapAt = sAt;
BufferedImage image2 = new BufferedImage(my_width, my_height, BufferedImage.TYPE_INT_RGB);
Graphics2D g2 = (Graphics2D) image2.getGraphics(); // need a separate object each time?
g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
g2.setColor(Color.WHITE);
g2.fillRect(0, 0, my_width, my_height);
// Set horizoff and vertoff to properly center the visualization in the
// viewing window. This is not quite perfect because visualizations
// that are not properly centered within their [0,1] localized
// coordinates will not be perfectly centered, but it is much better
// than it was previously.
if (no_mouse_drag) {
horizoff = (my_width - GaigsAV.preferred_width) / 2;
vertoff = (my_height - GaigsAV.preferred_height) / 2;
}
list_of_snapshots.reset();
x = 0;
lt = new LinkedList();
while (x < SnapAt && list_of_snapshots.hasMoreElements()) {
lt = (LinkedList) list_of_snapshots.nextElement();
x++;
}
lt.reset();
animation_done = true;
// System.out.println("before loop " + horizoff);
while (lt.hasMoreElements()) {
obj tempObj = (obj) lt.nextElement();
animation_done =
animation_done && (tempObj.execute(g2 /*offscreen*/, zoom, vertoff, horizoff));
// System.out.println("in loop");
}
// Next capture the image we are coming from in a buffer called image1
SnapAt = (forward ? sAt - 1 : sAt + 1);
BufferedImage image1 = new BufferedImage(my_width, my_height, BufferedImage.TYPE_INT_RGB);
Graphics2D g1 = (Graphics2D) image1.getGraphics(); // need a separate object each time?
g1.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
g1.setColor(Color.WHITE);
g1.fillRect(0, 0, my_width, my_height);
// Set horizoff and vertoff to properly center the visualization in the
// viewing window. This is not quite perfect because visualizations
// that are not properly centered within their [0,1] localized
// coordinates will not be perfectly centered, but it is much better
// than it was previously.
if (no_mouse_drag) {
horizoff = (my_width - GaigsAV.preferred_width) / 2;
vertoff = (my_height - GaigsAV.preferred_height) / 2;
}
list_of_snapshots.reset();
x = 0;
lt = new LinkedList();
while (x < SnapAt && list_of_snapshots.hasMoreElements()) {
lt = (LinkedList) list_of_snapshots.nextElement();
x++;
}
lt.reset();
animation_done = true;
// System.out.println("before loop " + horizoff);
while (lt.hasMoreElements()) {
obj tempObj = (obj) lt.nextElement();
animation_done =
animation_done && (tempObj.execute(g1 /*offscreen*/, zoom, vertoff, horizoff));
// System.out.println("in loop");
}
// Now slide from image1 to image2
// From the gaff Visualizer by Chris Gaffney
// double step = 4; // Adjust this for more/less granularity between images
double step = 40; // Adjust this for more/less granularity between images
Image buffer = getGraphicsConfiguration().createCompatibleVolatileImage(my_width, my_height);
Graphics2D g2d = (Graphics2D) buffer.getGraphics();
AffineTransform trans = AffineTransform.getTranslateInstance(step * (forward ? -1 : 1), 0);
// AffineTransform orig = g2d.getTransform();
Shape mask = createMask(my_width, my_height);
for (double i = 0; i < my_width; i += step) {
if (i + step > my_width) // last time through loop, so adjust transform
trans =
AffineTransform.getTranslateInstance(((double) (my_width - i)) * (forward ? -1 : 1), 0);
g2d.transform(trans);
g2d.drawImage(image1, 0, 0, this);
g2d.setColor(Color.BLACK);
g2d.fill(mask);
AffineTransform last = g2d.getTransform();
g2d.transform(AffineTransform.getTranslateInstance(my_width * (-1 * (forward ? -1 : 1)), 0));
g2d.drawImage(image2, 0, 0, this);
g2d.setColor(Color.BLACK);
g2d.fill(mask);
g2d.setTransform(last);
this.my_image = buffer;
repaint();
try {
Thread.sleep(10);
} catch (InterruptedException e) {
}
}
Image b = getGraphicsConfiguration().createCompatibleImage(my_width, my_height);
b.getGraphics().drawImage(buffer, 0, 0, null);
this.my_image = b;
return animation_done;
}
// Although it presently returns a boolean, that was only needed
// during my aborted attempted at animated graphics primitives.
// Until those become a reality the boolean value returned by this
// routine is unnecessary
public /*synchronized*/ boolean execute(int sAt) {
// The commented-out variables below are remnants from legacy
// code -- they appear to be no longer needed.
// String urlTemp="";
// int z=0;
// int idx;
// int urlid;
// boolean showURL=false;
animation_done =
true; // May be re-set in paintComponent via indirect paintImmediately call at end
// Was used in abored attempted to
// introduce animated primitives. Now
// it's probably excess baggage that
// remains because I still have hopes
// of eventually having animated
// primitives
SnapAt = sAt;
if (getSize().width != 0 && getSize().height != 0) {
my_width = getSize().width; // set dimensions
my_height = getSize().height;
} else {
my_width = GaigsAV.preferred_width; // set dimensions
my_height = GaigsAV.preferred_height;
}
BufferedImage buff = new BufferedImage(my_width, my_height, BufferedImage.TYPE_INT_RGB);
Graphics2D g2 = (Graphics2D) buff.getGraphics(); // need a separate object each time?
g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
g2.setColor(Color.WHITE);
g2.fillRect(0, 0, my_width, my_height);
// Set horizoff and vertoff to properly center the visualization in the
// viewing window. This is not quite perfect because visualizations
// that are not properly centered within their [0,1] localized
// coordinates will not be perfectly centered, but it is much better
// than it was previously.
// if(no_mouse_drag){
// if(first_paint_call){
// // horizoff = (my_width - (int)(0.25 * my_width) -
// // GaigsAV.preferred_width) / 2;
// horizoff = (my_width - GaigsAV.preferred_width) / 2;
// first_paint_call = false;
// }else{
// horizoff = (my_width - GaigsAV.preferred_width) / 2;
// no_mouse_drag = false;
// }
// }
if (no_mouse_drag) {
horizoff = (my_width - GaigsAV.preferred_width) / 2;
vertoff = (my_height - GaigsAV.preferred_height) / 2;
}
int x;
list_of_snapshots.reset();
x = 0;
LinkedList lt = new LinkedList();
while (x < SnapAt && list_of_snapshots.hasMoreElements()) {
lt = (LinkedList) list_of_snapshots.nextElement();
x++;
}
lt.reset();
animation_done = true;
// System.out.println("before loop " + horizoff);
while (lt.hasMoreElements()) {
obj tempObj = (obj) lt.nextElement();
animation_done =
animation_done && (tempObj.execute(g2 /*offscreen*/, zoom, vertoff, horizoff));
// System.out.println("in loop");
}
Shape mask = createMask(buff.getWidth(), buff.getHeight());
g2.setColor(Color.BLACK);
g2.fill(mask);
my_image = buff;
repaint();
return animation_done;
}
// 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);
}
}