/**
* 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);
}
}
}
}
}
public void paintComponent(Graphics g) {
Rectangle selection = g.getClipBounds();
// clear out the image
Graphics2D g2 = (Graphics2D) g;
g2.setBackground(backgroundColor);
g2.clearRect(
(int) selection.getX(),
(int) selection.getY(),
(int) selection.getWidth(),
(int) selection.getHeight());
// draw the selection if it exists
if (selBeginPixel != -1 && selEndPixel != -1) {
g2.setBackground(selectionColor);
g2.clearRect(selBeginPixel, 0, selEndPixel - selBeginPixel + 1, this.getHeight());
}
if (this.points.size() > 0) {
g2.setColor(waveColor);
// draw the lines
if (this.points.size() > stemThresh) {
if (points.size() > frameWidth) { // draw contour
// g2.setStroke(thickerStroke);
for (int i = 0; i < this.points.size() - 1; i += 4) {
Point2D.Float pt1 = points.get(i).getDispPoint();
// Point2D.Float pt2 = new Point2D.Float(pt1.x, pt1.y/2);
Point2D.Float pt2 = points.get(i + 1).getDispPoint();
Point2D.Float pt3 = points.get(i + 2).getDispPoint();
Point2D.Float pt4 = points.get(i + 3).getDispPoint();
// //Point2D.Float pt4 = new Point2D.Float(pt2.x, pt2.y/2);
g2.draw(new Line2D.Float(pt1, pt2));
// g2.setColor(waveLiteColor);
g.setColor(waveLiteColor);
g2.draw(new Line2D.Float(pt2, pt3));
g2.setColor(waveColor);
g2.draw(new Line2D.Float(pt3, pt4));
// g2.draw(new Line2D.Float(this.points.get(i).getDispPoint(),
// this.points.get(i+1).getDispPoint()));
// g2.draw(new Line2D.Float(this.points.get(i).getDispPoint(),
// this.points.get(i+1).getDispPoint()));
// g2.draw(new Line2D.Float(this.points.get(i).getDispPoint(),
// this.points.get(i+1).getDispPoint()));
}
} else { // draw line
g2.setStroke(stroke);
for (int i = 0; i < this.points.size() - 1; i++) {
g2.draw(
new Line2D.Float(
this.points.get(i).getDispPoint(), this.points.get(i + 1).getDispPoint()));
}
}
} else { // stem plot
for (int i = 0; i < this.points.size(); i++) {
// draw the stem
SoundSample sample = this.points.get(i);
g2.setStroke(thickerStroke);
Point2D.Double base =
new Point2D.Double(
sample.getDispPoint().getX() + 10, Math.floor(this.getHeight()) / 2);
Point2D.Double pt =
new Point2D.Double(sample.getDispPoint().getX() + 10, sample.getDispPoint().getY());
g2.draw(new Line2D.Float(base, pt));
if (this.points.size() < zoomThresh) {
// draw the sample value
float sampleValue = (float) sample.getSampleValue();
float y = (float) sample.getDispPoint().getY();
g2.setFont(textFont);
if (y < Math.floor(this.getHeight()) / 2) y = y - 10;
else y = y + 10;
// if (sample.getDispPoint().getX() > 0)
g2.drawString(formatter.format(sampleValue), (float) sample.getDispPoint().getX(), y);
}
// draw the vertical bar in the array
// g2.setStroke(thickerStroke);
// base = new Point2D.Double(base.getX()-8, this.getHeight() - 10);
// pt = new Point2D.Double(base.getX(), this.getHeight() - 50);
// g2.draw(new Line2D.Double(base, pt));
// g2.drawString(formatter.format(points.get(i).getSampleIndex()),
// (float)base.getX(), (float)base.getY() - 10 );
}
//
// g2.setStroke(wideStroke);
// //draw the array cells
// g2.draw(new Line2D.Double(selection.getX(),
// Math.floor(this.getHeight() - 30),
// selection.getX()+selection.getWidth()-1,
// Math.floor(this.getHeight() - 30)));
// //draw the array cells
// g2.draw(new Line2D.Double(selection.getX(),
// Math.floor(this.getHeight() - 10),
// selection.getX()+selection.getWidth()-1,
// Math.floor(this.getHeight() - 10)));
}
}
// draw the center line
g2.setColor(barColor);
g2.setStroke(new BasicStroke(1));
g2.draw(
new Line2D.Double(
selection.getX(),
Math.floor(this.getHeight() / 2),
selection.getX() + selection.getWidth() - 1,
Math.floor(this.getHeight() / 2)));
// //draw the current position
// if (selection.getX()<currentPixelPosition &&
// currentPixelPosition<(selection.getX()+selection.getWidth()-1))
// {
// g2.setColor(barColor);
// g2.setStroke(new BasicStroke(1));
// g2.draw(new Line2D.Double(currentPixelPosition, 0,
// currentPixelPosition, frameHeight));
// }
}