public TiledImage makeQuadCurve(
int lineBeginningX,
int lineBeginningY,
int lineEndingX,
int lineEndingY,
double slope1st,
double slope2nd,
Inspiram inspiram) {
int width = inspiram.layers[inspiram.currentLayer].getWidth();
int height = inspiram.layers[inspiram.currentLayer].getHeight();
SampleModel mySampleModel =
inspiram.layers[inspiram.currentLayer].getLayerImage().getSampleModel();
int nbands = mySampleModel.getNumBands();
Raster readableRaster = inspiram.layers[inspiram.currentLayer].getLayerImage().getData();
WritableRaster writableRaster = readableRaster.createCompatibleWritableRaster();
int[] pixels = new int[nbands * width * height];
readableRaster.getPixels(0, 0, width, height, pixels);
double yIntercept1st = findYIntercept(p1X, p1Y, slope1st);
double yIntercept2nd = findYIntercept(p2X, p2Y, slope2nd);
System.out.println(
"Y-Intercept of 1st: "
+ findYIntercept(p0X, p0Y, slope1st)
+ " Y-Intercept of 2nd: "
+ findYIntercept(p1X, p1Y, slope1st));
int pixelIndexQ = 0;
double x1first = p0X;
double x2first = p1X;
double y1first = p0Y;
double y2first = p1Y;
double x1second = p1X;
double x2second = p2X;
double y1second = p1Y;
double y2second = p2Y;
if (p0X >= p1X) {
x1first = p1X;
x2first = p0X;
y1first = p1Y;
y2first = p0Y;
}
if (p1X >= p2X) {
x1second = p2X;
x2second = p1X;
y1second = p2Y;
y2second = p1Y;
}
double repeatingXs1st = Math.abs(slope1st);
double yPlus1st = 0;
double repeatingXs2nd = Math.abs(slope2nd);
double yPlus2nd = 0;
Change change = new Change("QUAD Bezier Creation", inspiram.currentLayer);
change.undoChange.addActionListener(change.createChangeUndoListener(inspiram));
System.out.println("SLOPE: " + slope1st);
for (double dub = .01; dub < 1.0; dub += .001) {
// P's//
double x1st = (x1first + ((x2first - x1first) * dub)); // X coordinate for 1st line
double x2nd = (x1second + ((x2second - x1second) * dub)); // X coordinate for 2nd line
double y1st =
(slope1st * (x1first + ((x2first - x1first) * dub))
+ yIntercept1st); // Y coordinate for 1st line
double y2nd =
(slope2nd * (x1second + ((x2second - x1second) * dub))
+ yIntercept2nd); // Y coordinate for 2nd line.
// End of P's//
// Q's//
double yDifferenceQ = y2nd - y1st;
double xDifferenceQ = x2nd - x1st;
double slopeQ = (((yDifferenceQ) / (xDifferenceQ)));
double yInterceptQ = findYIntercept(x2nd, y2nd, slopeQ);
double x1Q = x1st;
double x2Q = x2nd;
double y1Q = y1st;
double y2Q = y2nd;
if (x1st >= x2nd) {
x1Q = x2nd;
x2Q = x1st;
y1Q = y2nd;
y2Q = y1st;
}
double repeatingXsQ = Math.abs(slopeQ);
double yPlusQ = 0;
double xQ = (x1Q + ((x2Q - x1Q) * dub)); // X coordinate for q line
double yQ = (slopeQ * (x1Q + ((x2Q - x1Q) * dub)) + yInterceptQ); // Y coordinate for q line
// End of Q's//
pixelIndexQ = (int) yQ * width * nbands + (int) xQ * nbands;
PixelHistory pixelHistory = new PixelHistory((int) xQ, (int) yQ);
if (!change.getAllPixelHistory().contains(pixelHistory.x)
&& !change.getAllPixelHistory().contains(pixelHistory.y)) {
pixelHistory.setPrevR(pixels[(pixelIndexQ - 0) + (0)]);
pixelHistory.setPrevG(pixels[(pixelIndexQ - 0) + (1)]);
pixelHistory.setPrevB(pixels[(pixelIndexQ - 0) + (2)]);
pixels[(pixelIndexQ - 0) + (0)] = 255;
pixels[(pixelIndexQ - 0) + (1)] = 255;
pixels[(pixelIndexQ - 0) + (2)] = 255;
pixelHistory.setNewR(255);
pixelHistory.setNewG(255);
pixelHistory.setNewB(255);
if (!change.getAllPixelHistory().contains(pixelHistory.x)
&& !change.getAllPixelHistory().contains(pixelHistory.y)) {
change.getAllPixelHistory().add(pixelHistory);
}
}
}
inspiram.inspiramHistory.addChange(change);
writableRaster.setPixels(0, 0, width, height, pixels);
TiledImage ti = new TiledImage(inspiram.layers[inspiram.currentLayer].getLayerImage(), 1, 1);
ti.setData(writableRaster);
return ti;
}
