public ImagePanel(Kdu_coords viewSize) throws KduException {
int width = Math.min(viewSize.Get_x(), 1600);
int height = Math.min(viewSize.Get_y(), 1200);
setPreferredSize(new Dimension(width, height));
getInputMap().put(KeyStroke.getKeyStroke("UP"), "pressedUpArrow");
getActionMap()
.put(
"pressedUpArrow",
new AbstractAction() {
public void actionPerformed(ActionEvent evt) {
// placeholder
}
});
getInputMap().put(KeyStroke.getKeyStroke("DOWN"), "pressedDownArrow");
getActionMap()
.put(
"pressedDownArrow",
new AbstractAction() {
public void actionPerformed(ActionEvent evt) {
// placeholder
}
});
}
/**
* Writes the <code>shape</code>, <code>coords</code>, <code>href</code>,
* <code>nohref</code> Attribute for the specified figure and ellipse.
*
* @return Returns true, if the circle is inside of the image bounds.
*/
private boolean writeCircleAttributes(IXMLElement elem, SVGFigure f, Ellipse2D.Double ellipse) {
AffineTransform t = TRANSFORM.getClone(f);
if (t == null) {
t = drawingTransform;
} else {
t.preConcatenate(drawingTransform);
}
if ((t.getType() &
(AffineTransform.TYPE_UNIFORM_SCALE | AffineTransform.TYPE_TRANSLATION)) ==
t.getType() &&
ellipse.width == ellipse.height
) {
Point2D.Double start = new Point2D.Double(ellipse.x, ellipse.y);
Point2D.Double end = new Point2D.Double(ellipse.x + ellipse.width, ellipse.y + ellipse.height);
t.transform(start, start);
t.transform(end, end);
ellipse.x = Math.min(start.x, end.x);
ellipse.y = Math.min(start.y, end.y);
ellipse.width = Math.abs(start.x - end.x);
ellipse.height = Math.abs(start.y - end.y);
elem.setAttribute("shape", "circle");
elem.setAttribute("coords",
(int) (ellipse.x + ellipse.width / 2d)+","+
(int) (ellipse.y + ellipse.height / 2d)+","+
(int) (ellipse.width / 2d)
);
writeHrefAttribute(elem, f);
return bounds.intersects(ellipse.getBounds());
} else {
return writePolyAttributes(elem, f, (Shape) ellipse);
}
}
public void paint(Graphics g) {
super.paint(g);
Graphics2D g2 = (Graphics2D) g;
int size =
Math.min(
MAX_SIZE,
Math.min(
getWidth() - imagePadding.left - imagePadding.right,
getHeight() - imagePadding.top - imagePadding.bottom));
g2.translate(getWidth() / 2 - size / 2, getHeight() / 2 - size / 2);
g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
Shape shape;
if (mode == ColorPicker.SAT || mode == ColorPicker.BRI) {
shape = new Ellipse2D.Float(0, 0, size, size);
} else {
Rectangle r = new Rectangle(0, 0, size, size);
shape = r;
}
if (hasFocus()) {
PaintUtils.paintFocus(g2, shape, 5);
}
if (!(shape instanceof Rectangle)) {
// paint a circular shadow
g2.translate(2, 2);
g2.setColor(new Color(0, 0, 0, 20));
g2.fill(new Ellipse2D.Float(-2, -2, size + 4, size + 4));
g2.setColor(new Color(0, 0, 0, 40));
g2.fill(new Ellipse2D.Float(-1, -1, size + 2, size + 2));
g2.setColor(new Color(0, 0, 0, 80));
g2.fill(new Ellipse2D.Float(0, 0, size, size));
g2.translate(-2, -2);
}
g2.drawImage(image, 0, 0, size, size, 0, 0, size, size, null);
if (shape instanceof Rectangle) {
Rectangle r = (Rectangle) shape;
PaintUtils.drawBevel(g2, r);
} else {
g2.setColor(new Color(0, 0, 0, 120));
g2.draw(shape);
}
g2.setColor(Color.white);
g2.setStroke(new BasicStroke(1));
g2.draw(new Ellipse2D.Float(point.x - 3, point.y - 3, 6, 6));
g2.setColor(Color.black);
g2.draw(new Ellipse2D.Float(point.x - 4, point.y - 4, 8, 8));
g.translate(-imagePadding.left, -imagePadding.top);
}
public void mousePressed(MouseEvent e) {
requestFocus();
Point p = e.getPoint();
int size =
Math.min(
MAX_SIZE,
Math.min(
getWidth() - imagePadding.left - imagePadding.right,
getHeight() - imagePadding.top - imagePadding.bottom));
p.translate(-(getWidth() / 2 - size / 2), -(getHeight() / 2 - size / 2));
if (mode == ColorPicker.BRI || mode == ColorPicker.SAT) {
// the two circular views:
double radius = ((double) size) / 2.0;
double x = p.getX() - size / 2.0;
double y = p.getY() - size / 2.0;
double r = Math.sqrt(x * x + y * y) / radius;
double theta = Math.atan2(y, x) / (Math.PI * 2.0);
if (r > 1) r = 1;
if (mode == ColorPicker.BRI) {
setHSB((float) (theta + .25f), (float) (r), bri);
} else {
setHSB((float) (theta + .25f), sat, (float) (r));
}
} else if (mode == ColorPicker.HUE) {
float s = ((float) p.x) / ((float) size);
float b = ((float) p.y) / ((float) size);
if (s < 0) s = 0;
if (s > 1) s = 1;
if (b < 0) b = 0;
if (b > 1) b = 1;
setHSB(hue, s, b);
} else {
int x2 = p.x * 255 / size;
int y2 = p.y * 255 / size;
if (x2 < 0) x2 = 0;
if (x2 > 255) x2 = 255;
if (y2 < 0) y2 = 0;
if (y2 > 255) y2 = 255;
if (mode == ColorPicker.RED) {
setRGB(red, x2, y2);
} else if (mode == ColorPicker.GREEN) {
setRGB(x2, green, y2);
} else {
setRGB(x2, y2, blue);
}
}
}
public static WritableRaster glowmask(Raster img) {
Coord sz = imgsz(img);
int nb = img.getNumBands();
WritableRaster ret = alpharaster(sz);
float[] hsv = new float[3];
float max = 0;
for (int y = 0; y < sz.y; y++) {
for (int x = 0; x < sz.x; x++) {
Color.RGBtoHSB(img.getSample(x, y, 0), img.getSample(x, y, 1), img.getSample(x, y, 2), hsv);
float a = (nb > 3) ? (img.getSample(x, y, 3) / 255f) : 1f;
float val = ((1f - hsv[1]) * hsv[2]) * a;
max = Math.max(max, val);
}
}
float imax = 1f / max;
for (int y = 0; y < sz.y; y++) {
for (int x = 0; x < sz.x; x++) {
Color.RGBtoHSB(img.getSample(x, y, 0), img.getSample(x, y, 1), img.getSample(x, y, 2), hsv);
float a = (nb > 3) ? (img.getSample(x, y, 3) / 255f) : 1f;
float val = ((1f - hsv[1]) * hsv[2]) * a;
ret.setSample(x, y, 0, Math.min(Math.max((int) (Math.sqrt(val * imax) * 255), 0), 255));
}
}
return (ret);
}
@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;
}
public BufferedImage filter(BufferedImage src, BufferedImage dst) {
icentreX = src.getWidth() * centreX;
icentreY = src.getHeight() * centreY;
if (radius == 0) radius = Math.min(icentreX, icentreY);
radius2 = radius * radius;
return super.filter(src, dst);
}
protected void drawPointLegend(
VPFSymbolAttributes attr, Graphics2D g2, int width, int height, int margin) {
if (attr.getIconImageSource() == null) return;
BufferedImage icon = getImage(attr.getIconImageSource());
if (icon != null) {
// icon width / height
int iw = icon.getWidth();
int ih = icon.getHeight();
// draw area width / height
int dw = width - margin * 2;
int dh = height - margin * 2;
// draw scale to fit icon inside draw area
float sx = iw > dw ? (float) dw / iw : 1f; // shrink only
float sy = ih > dh ? (float) dh / ih : 1f;
float scale = Math.min(sx, sy);
iw = (int) ((float) iw * scale);
ih = (int) ((float) ih * scale);
// Center image and draw
int x1 = iw < dw ? margin + (dw - iw) / 2 : margin;
int y1 = ih < dh ? margin + (dh - ih) / 2 : margin;
g2.setRenderingHint(
RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BILINEAR);
g2.drawImage(icon, x1, y1, iw, ih, null);
}
}
public Point componentToImage(Point p) {
float r = Math.min(getWidth() / (float) width, getHeight() / (float) height);
int x = (int) (p.getX() / r);
int y = (int) (p.getY() / r);
if ((x > width - 1) || (y > height - 1)) return new Point(-1, -1);
return new Point(x, y);
}
protected void paintImage(
Component c, Graphics g, int x, int y, int imageW, int imageH, Image image, Object[] args) {
boolean isVertical = ((Boolean) args[1]).booleanValue();
// Render to the screen
g.translate(x, y);
if (isVertical) {
for (int counter = 0; counter < w; counter += IMAGE_SIZE) {
int tileSize = Math.min(IMAGE_SIZE, w - counter);
g.drawImage(image, counter, 0, counter + tileSize, h, 0, 0, tileSize, h, null);
}
} else {
for (int counter = 0; counter < h; counter += IMAGE_SIZE) {
int tileSize = Math.min(IMAGE_SIZE, h - counter);
g.drawImage(image, 0, counter, w, counter + tileSize, 0, 0, w, tileSize, null);
}
}
g.translate(-x, -y);
}
static int getSelectorAsInt(final String fromString) {
final byte[] b = fromString.getBytes();
final int len = Math.min(b.length, 4);
int result = 0;
for (int i = 0; i < len; i++) {
if (i > 0) result <<= 8;
result |= (b[i] & 0xff);
}
return result;
}
/**
* Gets the dimension of the lattice in pixel units.
*
* @param panel
* @return the dimension
*/
public Dimension getInterior(DrawingPanel panel) {
float availableWidth = panel.getWidth() - panel.getLeftGutter() - panel.getRightGutter() - 1;
float availableHeight = panel.getHeight() - panel.getTopGutter() - panel.getBottomGutter() - 1;
scaleFactor = Math.min(availableWidth / dimension.width, availableHeight / dimension.height);
if (scaleFactor > 1) {
scaleFactor = 1;
return dimension;
}
return new Dimension((int) (scaleFactor * ncol), (int) (scaleFactor * nrow));
}
public static BufferedImage monochromize(BufferedImage img, Color col) {
Coord sz = Utils.imgsz(img);
BufferedImage ret = TexI.mkbuf(sz);
Raster src = img.getRaster();
WritableRaster dst = ret.getRaster();
boolean hasalpha = (src.getNumBands() == 4);
for (int y = 0; y < sz.y; y++) {
for (int x = 0; x < sz.x; x++) {
int r = src.getSample(x, y, 0), g = src.getSample(x, y, 1), b = src.getSample(x, y, 2);
int a = hasalpha ? src.getSample(x, y, 3) : 255;
int max = Math.max(r, Math.max(g, b)), min = Math.min(r, Math.min(g, b));
int val = (max + min) / 2;
dst.setSample(x, y, 0, (col.getRed() * val) / 255);
dst.setSample(x, y, 1, (col.getGreen() * val) / 255);
dst.setSample(x, y, 2, (col.getBlue() * val) / 255);
dst.setSample(x, y, 3, (col.getAlpha() * a) / 255);
}
}
return (ret);
}
public static WritableRaster imggrow(WritableRaster img, int rad) {
int h = img.getHeight(), w = img.getWidth();
int[] buf = new int[w * h];
int o = 0;
for (int y = 0; y < h; y++) {
for (int x = 0; x < w; x++) {
int m = 0;
int u = Math.max(0, y - rad), b = Math.min(h - 1, y + rad);
int l = Math.max(0, x - rad), r = Math.min(w - 1, x + rad);
for (int y2 = u; y2 <= b; y2++) {
for (int x2 = l; x2 <= r; x2++) {
m = Math.max(m, img.getSample(x2, y2, 0));
}
}
buf[o++] = m;
}
}
img.setSamples(0, 0, w, h, 0, buf);
return (img);
}
private static Color getColorFromPallet(int[] pallet, float x) {
if (x < 0f || x > 1f) {
throw new IllegalArgumentException("Parameter outside of expected range");
}
int i = (int) (pallet.length * x);
int max = pallet.length - 1;
int index = Math.min(Math.max(i, 0), max);
return new Color(pallet[index] & 0x00FFFFFF);
// translucent
// int pix = pallet[index] & 0x00FFFFFF | (0x64 << 24);
// return new Color(pix), true);
}
public void keyPressed(KeyEvent e) {
int dx = 0;
int dy = 0;
if (e.getKeyCode() == KeyEvent.VK_LEFT) {
dx = -1;
} else if (e.getKeyCode() == KeyEvent.VK_RIGHT) {
dx = 1;
} else if (e.getKeyCode() == KeyEvent.VK_UP) {
dy = -1;
} else if (e.getKeyCode() == KeyEvent.VK_DOWN) {
dy = 1;
}
int multiplier = 1;
if (e.isShiftDown() && e.isAltDown()) {
multiplier = 10;
} else if (e.isShiftDown() || e.isAltDown()) {
multiplier = 5;
}
if (dx != 0 || dy != 0) {
int size =
Math.min(
MAX_SIZE,
Math.min(
getWidth() - imagePadding.left - imagePadding.right,
getHeight() - imagePadding.top - imagePadding.bottom));
int offsetX = getWidth() / 2 - size / 2;
int offsetY = getHeight() / 2 - size / 2;
mouseListener.mousePressed(
new MouseEvent(
ColorPickerPanel.this,
MouseEvent.MOUSE_PRESSED,
System.currentTimeMillis(),
0,
point.x + multiplier * dx + offsetX,
point.y + multiplier * dy + offsetY,
1,
false));
}
}
public static WritableRaster gayblit(
WritableRaster dst, int dband, Coord doff, Raster src, int sband, Coord soff) {
if (doff.x < 0) {
soff = soff.add(-doff.x, 0);
doff = doff.add(-doff.x, 0);
}
if (doff.y < 0) {
soff = soff.add(0, -doff.x);
doff = doff.add(0, -doff.x);
}
int w = Math.min(src.getWidth() - soff.x, dst.getWidth() - doff.x),
h = Math.min(src.getHeight() - soff.y, dst.getHeight() - doff.y);
for (int y = 0; y < h; y++) {
int sy = y + soff.y, dy = y + doff.y;
for (int x = 0; x < w; x++) {
int sx = x + soff.x, dx = x + doff.x;
dst.setSample(
dx, dy, dband, (dst.getSample(dx, dy, dband) * src.getSample(sx, sy, sband)) / 255);
}
}
return (dst);
}
/**
* All other write methods delegate their work to here.
*/
public void write(OutputStream out, java.util.List<Figure> figures) throws IOException {
Rectangle2D.Double drawingRect = null;
for (Figure f : figures) {
if (drawingRect == null) {
drawingRect = f.getBounds();
} else {
drawingRect.add(f.getBounds());
}
}
AffineTransform drawingTransform = new AffineTransform();
drawingTransform.translate(
-Math.min(0, drawingRect.x),
-Math.min(0, drawingRect.y)
);
write(out, figures, drawingTransform,
new Dimension(
(int) (Math.abs(drawingRect.x) + drawingRect.width),
(int) (Math.abs(drawingRect.y) + drawingRect.height))
);
}
public static WritableRaster imgblur(WritableRaster img, int rad, double var) {
int h = img.getHeight(), w = img.getWidth();
double[] gk = new double[(rad * 2) + 1];
for (int i = 0; i <= rad; i++)
gk[rad + i] = gk[rad - i] = Math.exp(-0.5 * Math.pow(i / var, 2.0));
double s = 0;
for (double cw : gk) s += cw;
s = 1.0 / s;
for (int i = 0; i <= rad * 2; i++) gk[i] *= s;
int[] buf = new int[w * h];
for (int band = 0; band < img.getNumBands(); band++) {
int o;
o = 0;
for (int y = 0; y < h; y++) {
for (int x = 0; x < w; x++) {
double v = 0;
int l = Math.max(0, x - rad), r = Math.min(w - 1, x + rad);
for (int x2 = l, ks = l - (x - rad); x2 <= r; x2++, ks++)
v += img.getSample(x2, y, band) * gk[ks];
buf[o++] = (int) v;
}
}
img.setSamples(0, 0, w, h, band, buf);
o = 0;
for (int y = 0; y < h; y++) {
for (int x = 0; x < w; x++) {
double v = 0;
int u = Math.max(0, y - rad), b = Math.min(h - 1, y + rad);
for (int y2 = u, ks = u - (y - rad); y2 <= b; y2++, ks++)
v += img.getSample(x, y2, band) * gk[ks];
buf[o++] = (int) v;
}
}
img.setSamples(0, 0, w, h, band, buf);
}
return (img);
}
/**
* Writes the <code>shape</code>, <code>coords</code>, <code>href</code>,
* <code>nohref</code> Attribute for the specified figure and rectangle.
*
* @return Returns true, if the rect is inside of the image bounds.
*/
private boolean writeRectAttributes(IXMLElement elem, SVGFigure f, Rectangle2D.Double rect) {
AffineTransform t = TRANSFORM.getClone(f);
if (t == null) {
t = drawingTransform;
} else {
t.preConcatenate(drawingTransform);
}
if ((t.getType() &
(AffineTransform.TYPE_UNIFORM_SCALE | AffineTransform.TYPE_TRANSLATION)) ==
t.getType()
) {
Point2D.Double start = new Point2D.Double(rect.x, rect.y);
Point2D.Double end = new Point2D.Double(rect.x + rect.width, rect.y + rect.height);
t.transform(start, start);
t.transform(end, end);
Rectangle r = new Rectangle(
(int) Math.min(start.x, end.x),
(int) Math.min(start.y, end.y),
(int) Math.abs(start.x - end.x),
(int) Math.abs(start.y - end.y)
);
elem.setAttribute("shape", "rect");
elem.setAttribute("coords",
r.x + ","+
r.y + ","+
(r.x + r.width) + ","+
(r.y + r.height)
);
writeHrefAttribute(elem, f);
return bounds.intersects(r);
} else {
return writePolyAttributes(elem, f, (Shape) rect);
}
}
public int filterRGB(int x, int y, int rgb) {
// Coefficients are from the sRGB color space:
int gray =
Math.min(
255,
(int)
(((0.2125f * ((rgb >> 16) & 0xFF))
+ (0.7154f * ((rgb >> 8) & 0xFF))
+ (0.0721f * (rgb & 0xFF))
+ .5f)
* factor
+ min));
return (rgb & 0xff000000) | (gray << 16) | (gray << 8) | (gray << 0);
}
@Override
public void paintIcon(Component c, Graphics g, int x, int y) {
if (image == null) {
image = new BufferedImage(getIconWidth(), getIconHeight(), BufferedImage.TYPE_INT_ARGB);
double coef = Math.min((double) width / (double) 68, (double) height / (double) 81);
Graphics2D g2d = image.createGraphics();
g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
g2d.scale(coef, coef);
paint(g2d);
g2d.dispose();
}
g.drawImage(image, x, y, null);
}
/** Recalculates the (x,y) point used to indicate the selected color. */
private void regeneratePoint() {
int size =
Math.min(
MAX_SIZE,
Math.min(
getWidth() - imagePadding.left - imagePadding.right,
getHeight() - imagePadding.top - imagePadding.bottom));
if (mode == ColorPicker.HUE || mode == ColorPicker.SAT || mode == ColorPicker.BRI) {
if (mode == ColorPicker.HUE) {
point = new Point((int) (sat * size), (int) (bri * size));
} else if (mode == ColorPicker.SAT) {
double theta = hue * 2 * Math.PI - Math.PI / 2;
if (theta < 0) theta += 2 * Math.PI;
double r = bri * size / 2;
point =
new Point(
(int) (r * Math.cos(theta) + .5 + size / 2.0),
(int) (r * Math.sin(theta) + .5 + size / 2.0));
} else if (mode == ColorPicker.BRI) {
double theta = hue * 2 * Math.PI - Math.PI / 2;
if (theta < 0) theta += 2 * Math.PI;
double r = sat * size / 2;
point =
new Point(
(int) (r * Math.cos(theta) + .5 + size / 2.0),
(int) (r * Math.sin(theta) + .5 + size / 2.0));
}
} else if (mode == ColorPicker.RED) {
point = new Point((int) (green * size / 255f + .49f), (int) (blue * size / 255f + .49f));
} else if (mode == ColorPicker.GREEN) {
point = new Point((int) (red * size / 255f + .49f), (int) (blue * size / 255f + .49f));
} else if (mode == ColorPicker.BLUE) {
point = new Point((int) (red * size / 255f + .49f), (int) (green * size / 255f + .49f));
}
}
private Path2D.Double makeStar(int r1, int r2, int vc) {
int or = Math.max(r1, r2);
int ir = Math.min(r1, r2);
double agl = 0d;
double add = 2 * Math.PI / (vc * 2);
Path2D.Double p = new Path2D.Double();
p.moveTo(or * 1, or * 0);
for (int i = 0; i < vc * 2 - 1; i++) {
agl += add;
int r = i % 2 == 0 ? ir : or;
p.lineTo(r * Math.cos(agl), r * Math.sin(agl));
}
p.closePath();
AffineTransform at = AffineTransform.getRotateInstance(-Math.PI / 2, or, 0);
return new Path2D.Double(p, at);
}
public void fitToWindow() {
ImageWindow win = imp.getWindow();
if (win == null) return;
Rectangle bounds = win.getBounds();
Insets insets = win.getInsets();
int sliderHeight = (win instanceof StackWindow) ? 20 : 0;
double xmag = (double) (bounds.width - 10) / srcRect.width;
double ymag = (double) (bounds.height - (10 + insets.top + sliderHeight)) / srcRect.height;
setMagnification(Math.min(xmag, ymag));
int width = (int) (imageWidth * magnification);
int height = (int) (imageHeight * magnification);
if (width == dstWidth && height == dstHeight) return;
srcRect = new Rectangle(0, 0, imageWidth, imageHeight);
setDrawingSize(width, height);
getParent().doLayout();
}
public synchronized void paint(Graphics gin) {
Graphics2D g = (Graphics2D) gin;
if (im == null) return;
int height = getHeight();
int width = getWidth();
if (fit) {
t = new AffineTransform();
double scale = Math.min(((double) width) / im.getWidth(), ((double) height) / im.getHeight());
// we'll re-center the transform in a moment.
t.scale(scale, scale);
}
// if the image (in either X or Y) is smaller than the view port, then center
// the image with respect to that axis.
double mwidth = im.getWidth() * t.getScaleX();
double mheight = im.getHeight() * t.getScaleY();
if (mwidth < width)
t.preConcatenate(
AffineTransform.getTranslateInstance((width - mwidth) / 2.0 - t.getTranslateX(), 0));
if (mheight < height)
t.preConcatenate(
AffineTransform.getTranslateInstance(0, (height - mheight) / 2.0 - t.getTranslateY()));
// if we're allowing panning (because only a portion of the image is visible),
// don't allow translations that show less information that is possible.
Point2D topleft = t.transform(new Point2D.Double(0, 0), null);
Point2D bottomright = t.transform(new Point2D.Double(im.getWidth(), im.getHeight()), null);
if (mwidth > width) {
if (topleft.getX() > 0)
t.preConcatenate(AffineTransform.getTranslateInstance(-topleft.getX(), 0));
if (bottomright.getX() < width)
t.preConcatenate(AffineTransform.getTranslateInstance(width - bottomright.getX(), 0));
// t.translate(width-bottomright.getX(), 0);
}
if (mheight > height) {
if (topleft.getY() > 0)
t.preConcatenate(AffineTransform.getTranslateInstance(0, -topleft.getY()));
if (bottomright.getY() < height)
t.preConcatenate(AffineTransform.getTranslateInstance(0, height - bottomright.getY()));
}
g.drawImage(im, t, null);
}
/*
* (non-Javadoc)
*
* @see javax.swing.Icon#paintIcon(java.awt.Component, java.awt.Graphics,
* int, int)
*/
@Override
public void paintIcon(Component c, Graphics g, int x, int y) {
Graphics2D g2d = (Graphics2D) g.create();
g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
g2d.translate(x, y);
Area clip = new Area(new Rectangle(0, 0, this.width, this.height));
if (g2d.getClip() != null) clip.intersect(new Area(g2d.getClip()));
g2d.setClip(clip);
double coef1 = (double) this.width / (double) getOrigWidth();
double coef2 = (double) this.height / (double) getOrigHeight();
double coef = Math.min(coef1, coef2);
g2d.scale(coef, coef);
paint(g2d);
g2d.dispose();
}
@Override
public void draw(Graphics2D g) {
double opacity = get(OPACITY);
opacity = Math.min(Math.max(0d, opacity), 1d);
if (opacity != 0d) {
if (opacity != 1d) {
Rectangle2D.Double drawingArea = getDrawingArea();
Rectangle2D clipBounds = g.getClipBounds();
if (clipBounds != null) {
Rectangle2D.intersect(drawingArea, clipBounds, drawingArea);
}
if (!drawingArea.isEmpty()) {
BufferedImage buf =
new BufferedImage(
(int) ((2 + drawingArea.width) * g.getTransform().getScaleX()),
(int) ((2 + drawingArea.height) * g.getTransform().getScaleY()),
BufferedImage.TYPE_INT_ARGB);
Graphics2D gr = buf.createGraphics();
gr.scale(g.getTransform().getScaleX(), g.getTransform().getScaleY());
gr.translate((int) -drawingArea.x, (int) -drawingArea.y);
gr.setRenderingHints(g.getRenderingHints());
drawFigure(gr);
gr.dispose();
Composite savedComposite = g.getComposite();
g.setComposite(AlphaComposite.getInstance(AlphaComposite.SRC_OVER, (float) opacity));
g.drawImage(
buf,
(int) drawingArea.x,
(int) drawingArea.y,
2 + (int) drawingArea.width,
2 + (int) drawingArea.height,
null);
g.setComposite(savedComposite);
}
} else {
drawFigure(g);
}
}
}
private BufferedImage cropScaleGrayscale(Rectangle visibleRect, RenderedImage image) {
int minX = image.getMinX();
int minY = image.getMinY();
int width = image.getWidth();
int height = image.getHeight();
Rectangle bounds = new Rectangle(minX, minY, width, height);
visibleRect = bounds.intersection(visibleRect);
if (bounds.contains(visibleRect)) {
ParameterBlock pb = new ParameterBlock();
pb.addSource(image);
pb.add((float) visibleRect.x);
pb.add((float) visibleRect.y);
pb.add((float) visibleRect.width);
pb.add((float) visibleRect.height);
image = JAI.create("Crop", pb, JAIContext.noCacheHint);
}
Dimension previewSize = getSize();
if ((visibleRect.width > previewSize.width) || (visibleRect.height > previewSize.height)) {
float scale =
Math.min(
previewSize.width / (float) visibleRect.width,
previewSize.height / (float) visibleRect.height);
image = ConvolveDescriptor.create(image, Functions.getGaussKernel(.25 / scale), null);
ParameterBlock pb = new ParameterBlock();
pb.addSource(image);
pb.add(scale);
pb.add(scale);
image = JAI.create("Scale", pb, JAIContext.noCacheHint);
}
image = Functions.toColorSpace(image, JAIContext.systemColorSpace, null);
if (image.getSampleModel().getDataType() == DataBuffer.TYPE_USHORT) {
image = Functions.fromUShortToByte(image, null);
}
return Functions.toFastBufferedImage(image);
}
/**
* Paint the image onto a Graphics object. The painting is performed tile-by-tile, and includes a
* grey region covering the unused portion of image tiles as well as the general background. At
* this point the image must be byte data.
*/
public synchronized void paintComponent(Graphics g) {
Graphics2D g2D = null;
if (g instanceof Graphics2D) {
g2D = (Graphics2D) g;
} else {
return;
}
// if source is null, it's just a component
if (source == null) {
g2D.setColor(getBackground());
g2D.fillRect(0, 0, componentWidth, componentHeight);
return;
}
int transX = -originX;
int transY = -originY;
// Get the clipping rectangle and translate it into image coordinates.
Rectangle clipBounds = g.getClipBounds();
if (clipBounds == null) {
clipBounds = new Rectangle(0, 0, componentWidth, componentHeight);
}
// clear the background (clip it) [minimal optimization here]
if (transX > 0
|| transY > 0
|| transX < (componentWidth - source.getWidth())
|| transY < (componentHeight - source.getHeight())) {
g2D.setColor(getBackground());
g2D.fillRect(0, 0, componentWidth, componentHeight);
}
clipBounds.translate(-transX, -transY);
// Determine the extent of the clipping region in tile coordinates.
int txmin, txmax, tymin, tymax;
int ti, tj;
txmin = XtoTileX(clipBounds.x);
txmin = Math.max(txmin, minTileX);
txmin = Math.min(txmin, maxTileX);
txmax = XtoTileX(clipBounds.x + clipBounds.width - 1);
txmax = Math.max(txmax, minTileX);
txmax = Math.min(txmax, maxTileX);
tymin = YtoTileY(clipBounds.y);
tymin = Math.max(tymin, minTileY);
tymin = Math.min(tymin, maxTileY);
tymax = YtoTileY(clipBounds.y + clipBounds.height - 1);
tymax = Math.max(tymax, minTileY);
tymax = Math.min(tymax, maxTileY);
Insets insets = getInsets();
// Loop over tiles within the clipping region
for (tj = tymin; tj <= tymax; tj++) {
for (ti = txmin; ti <= txmax; ti++) {
int tx = TileXtoX(ti);
int ty = TileYtoY(tj);
Raster tile = source.getTile(ti, tj);
if (tile != null) {
DataBuffer dataBuffer = tile.getDataBuffer();
WritableRaster wr = tile.createWritableRaster(sampleModel, dataBuffer, null);
BufferedImage bi =
new BufferedImage(colorModel, wr, colorModel.isAlphaPremultiplied(), null);
// correctly handles band offsets
if (brightnessEnabled == true) {
SampleModel sm =
sampleModel.createCompatibleSampleModel(tile.getWidth(), tile.getHeight());
WritableRaster raster = RasterFactory.createWritableRaster(sm, null);
BufferedImage bimg =
new BufferedImage(colorModel, raster, colorModel.isAlphaPremultiplied(), null);
// don't move this code
ByteLookupTable lutTable = new ByteLookupTable(0, lutData);
LookupOp lookup = new LookupOp(lutTable, null);
lookup.filter(bi, bimg);
g2D.drawImage(bimg, biop, tx + transX + insets.left, ty + transY + insets.top);
} else {
AffineTransform transform;
transform =
AffineTransform.getTranslateInstance(
tx + transX + insets.left, ty + transY + insets.top);
g2D.drawRenderedImage(bi, transform);
}
}
}
}
}