Examples with Pixel org.jwildfire.image.Pixel used on opensource projects

Example 46 with Pixel

use of org.jwildfire.image.Pixel in project JWildfire by thargor6.

the class Cartesian2PolarTransformer method performPixelTransformation.

@Override
protected void performPixelTransformation(WFImage pImg) {
    SimpleImage img = (SimpleImage) pImg;
    double zoom;
    if (this.zoom != 0.0)
        zoom = 1.0 / this.zoom;
    else
        zoom = 1.0;
    zoom *= 2.0;
    int width = pImg.getImageWidth();
    int height = pImg.getImageHeight();
    boolean wrap = this.wrap;
    double cx = (double) width / 2;
    double cy = (double) height / 2;
    double daScale = (double) (height - 2) / (Math.PI + Math.PI);
    double drScale = (double) (width - 1) / Math.sqrt((double) width * (double) width + (double) height * (double) height);
    double PI2 = Math.PI / 2.0;
    double TWOPI = Math.PI + Math.PI;
    double a0 = (this.phi0) * Math.PI / 180.0;
    double r0 = this.r0;
    Pixel pPixel = new Pixel();
    double w1 = (double) width - 1.0;
    double h1 = (double) height - 1.0;
    for (int i = 0; i < height; i++) {
        double y0 = zoom * ((double) i - cy);
        for (int j = 0; j < width; j++) {
            /* transform the point */
            double x0 = zoom * ((double) j - cx);
            double dr = Math.sqrt(x0 * x0 + y0 * y0);
            double da;
            if (x0 != 0)
                da = Math.atan(Tools.fabs33(y0) / Tools.fabs33(x0));
            else
                da = PI2;
            if (x0 < 0.0) {
                if (y0 < 0.0)
                    da = Math.PI - da;
                else
                    da += Math.PI;
            } else {
                if (y0 >= 0.0)
                    da = TWOPI - da;
            }
            double x = (dr + r0) * drScale;
            if (wrap) {
                while (x >= ((double) width - 0.5)) x -= (double) (width - 1);
                while ((int) x < 0.5) x += (double) (width - 1);
            }
            double y = (da + a0) * daScale + 1.0;
            while (y >= ((double) height - 0.5)) y -= (double) (height - 1);
            while ((int) y < 0.5) y += (double) (height - 1);
            /* render it */
            double xi = Tools.fmod33(x);
            double yi = Tools.fmod33(y);
            if ((x < 0.0) || (x > w1) || (y < 0.0) || (y > h1)) {
                pPixel.r = pPixel.g = pPixel.b = 0;
            } else {
                readSrcPixels(x, y);
                pPixel.r = roundColor(((1.0 - yi) * ((1.0 - xi) * (srcP.r) + xi * (srcQ.r)) + yi * ((1.0 - xi) * (srcR.r) + xi * (srcS.r))));
                pPixel.g = roundColor(((1.0 - yi) * ((1.0 - xi) * (srcP.g) + xi * (srcQ.g)) + yi * ((1.0 - xi) * (srcR.g) + xi * (srcS.g))));
                pPixel.b = roundColor(((1.0 - yi) * ((1.0 - xi) * (srcP.b) + xi * (srcQ.b)) + yi * ((1.0 - xi) * (srcR.b) + xi * (srcS.b))));
            }
            img.setRGB(j, i, pPixel.r, pPixel.g, pPixel.b);
        }
    }
}

Example 47 with Pixel

use of org.jwildfire.image.Pixel in project JWildfire by thargor6.

the class FormulaComposeTransformer method performPixelTransformation.

@Override
protected void performPixelTransformation(WFImage pImg) {
    SimpleImage bgImg = (SimpleImage) pImg;
    SimpleImage fgImg = (foregroundImage != null) ? foregroundImage : foreground.getImage();
    if (fgImg == bgImg)
        fgImg = fgImg.clone();
    Pixel fgPixel = new Pixel();
    Pixel bgPixel = new Pixel();
    // calculate left and top edge
    int fgLeft, fgTop;
    int bgWidth = bgImg.getImageWidth();
    int bgHeight = bgImg.getImageHeight();
    int fgWidth = fgImg.getImageWidth();
    int fgHeight = fgImg.getImageHeight();
    if (hAlign == HAlignment.CENTRE) {
        fgLeft = (bgWidth - fgWidth) / 2;
    } else if (hAlign == HAlignment.LEFT) {
        fgLeft = 0;
    } else if (hAlign == HAlignment.RIGHT) {
        fgLeft = bgWidth - fgWidth;
    } else {
        fgLeft = this.left;
    }
    if (vAlign == VAlignment.CENTRE) {
        fgTop = (bgHeight - fgHeight) / 2;
    } else if (vAlign == VAlignment.TOP) {
        fgTop = 0;
    } else if (vAlign == VAlignment.BOTTOM) {
        fgTop = bgHeight - fgHeight;
    } else {
        fgTop = this.top;
    }
    // Initialize the parser
    JEPWrapper parser = new JEPWrapper();
    parser.addVariable("fgR", 0.0);
    parser.addVariable("fgG", 0.0);
    parser.addVariable("fgB", 0.0);
    parser.addVariable("fgWidth", (double) fgWidth);
    parser.addVariable("fgHeight", (double) fgHeight);
    parser.addVariable("bgR", 0.0);
    parser.addVariable("bgG", 0.0);
    parser.addVariable("bgB", 0.0);
    parser.addVariable("bgWidth", (double) bgWidth);
    parser.addVariable("bgHeight", (double) bgHeight);
    parser.addVariable("fgLeft", (double) fgLeft);
    parser.addVariable("fgTop", (double) fgTop);
    parser.addVariable("fgX", 0.0);
    parser.addVariable("fgY", 0.0);
    Node redNode = parser.parse(formula1Red);
    Node greenNode = parser.parse(formula2Green);
    Node blueNode = parser.parse(formula3Blue);
    // compose the images
    for (int i = 0; i < fgHeight; i++) {
        int top = fgTop + i;
        if (top >= 0 && top < bgHeight) {
            parser.setVarValue("fgY", (double) i / 255.0);
            for (int j = 0; j < fgWidth; j++) {
                int left = fgLeft + j;
                if (left >= 0 && left < bgWidth) {
                    parser.setVarValue("fgX", (double) j / 255.0);
                    bgPixel.setARGBValue(bgImg.getARGBValue(left, top));
                    fgPixel.setARGBValue(fgImg.getARGBValue(j, i));
                    parser.setVarValue("bgR", (double) bgPixel.r / 255.0);
                    parser.setVarValue("bgG", (double) bgPixel.g / 255.0);
                    parser.setVarValue("bgB", (double) bgPixel.b / 255.0);
                    parser.setVarValue("fgR", (double) fgPixel.r / 255.0);
                    parser.setVarValue("fgG", (double) fgPixel.g / 255.0);
                    parser.setVarValue("fgB", (double) fgPixel.b / 255.0);
                    // TODO Genlock: z. B. Testen, ob Intensitat 0 oder grober 0
                    // genlockFormula, genlockOperator (gleich, grober), genlockRefValue
                    bgPixel.r = Tools.roundColor((Double) parser.evaluate(redNode) * 255.0);
                    bgPixel.g = Tools.roundColor((Double) parser.evaluate(greenNode) * 255.0);
                    bgPixel.b = Tools.roundColor((Double) parser.evaluate(blueNode) * 255.0);
                    bgImg.setRGB(left, top, bgPixel);
                }
            }
        }
    }
}

Example 48 with Pixel

use of org.jwildfire.image.Pixel in project JWildfire by thargor6.

the class ScaleTransformer method scale_up_up.

private void scale_up_up(SimpleImage srcImg, SimpleImage dstImg) {
    int swidth = srcImg.getImageWidth();
    int sheight = srcImg.getImageHeight();
    int width = dstImg.getImageWidth();
    int height = dstImg.getImageHeight();
    double sclX, sclY;
    if (width > 1) {
        sclX = (double) (swidth - 1) / (double) (width - 1);
    } else
        sclX = 1.0;
    if (height > 1) {
        sclY = (double) (sheight - 1) / (double) (height - 1);
    } else
        sclY = 1.0;
    double cxD = (double) (width - 1) * 0.5;
    double cyD = (double) (height - 1) * 0.5;
    double cxS = (double) (swidth - 1) * 0.5;
    double cyS = (double) (sheight - 1) * 0.5;
    Pixel pPixel = new Pixel();
    for (int i = 0; i < height; i++) {
        double y0 = (double) i - cyD;
        double y = y0 * sclY + cyS;
        for (int j = 0; j < width; j++) {
            // transform the point
            double x0 = (double) j - cxD;
            double x = x0 * sclX + cxS;
            // render it
            if (((int) x < 0) || ((int) x >= swidth) || ((int) y < 0) || ((int) y >= sheight)) {
                pPixel.r = pPixel.g = pPixel.b = 0;
            } else {
                double xi = Tools.fmod33(x);
                double yi = Tools.fmod33(y);
                readSrcPixels(srcImg, x, y);
                pPixel.r = roundColor(((1.0 - yi) * ((1.0 - xi) * (srcP.r) + xi * (srcQ.r)) + yi * ((1.0 - xi) * (srcR.r) + xi * (srcS.r))));
                pPixel.g = roundColor(((1.0 - yi) * ((1.0 - xi) * (srcP.g) + xi * (srcQ.g)) + yi * ((1.0 - xi) * (srcR.g) + xi * (srcS.g))));
                pPixel.b = roundColor(((1.0 - yi) * ((1.0 - xi) * (srcP.b) + xi * (srcQ.b)) + yi * ((1.0 - xi) * (srcR.b) + xi * (srcS.b))));
            }
            dstImg.setRGB(j, i, pPixel.r, pPixel.g, pPixel.b);
        }
    }
}

Example 49 with Pixel

use of org.jwildfire.image.Pixel in project JWildfire by thargor6.

the class ScaleTransformer method scale_down_up.

private void scale_down_up(SimpleImage srcImg, SimpleImage dstImg) {
    int swidth = srcImg.getImageWidth();
    int sheight = srcImg.getImageHeight();
    int width = dstImg.getImageWidth();
    int height = dstImg.getImageHeight();
    double sclX, sclY;
    if (width > 1) {
        sclX = (double) (swidth - 1) / (double) (width - 1);
    } else
        sclX = 1.0;
    if (height > 1) {
        sclY = (double) (sheight - 1) / (double) (height - 1);
    } else
        sclY = 1.0;
    double cxD = (double) (width - 1) * 0.5;
    double cyD = (double) (height - 1) * 0.5;
    double cxS = (double) (swidth - 1) * 0.5;
    double cyS = (double) (sheight - 1) * 0.5;
    Pixel pPixel = new Pixel();
    for (int i = 0; i < height; i++) {
        double y0 = (double) i - cyD;
        double y = y0 * sclY + cyS;
        for (int j = 0; j < width; j++) {
            // transform the point
            double x0 = (double) j - cxD;
            double x = x0 * sclX + cxS;
            double xn = (x0 + 1.0) * sclX + cxS;
            if (xn >= (swidth - 0.5))
                xn = swidth - 1.0;
            if (((int) x < 0) || ((int) x >= swidth) || ((int) y < 0) || ((int) y >= sheight)) {
                pPixel.r = pPixel.g = pPixel.b = 0;
            } else {
                double xi = Tools.fmod33(x);
                double yi = Tools.fmod33(y);
                readSrcPixels(srcImg, x, y);
                int cvalR = roundColor(((1.0 - yi) * ((1.0 - xi) * (srcP.r) + xi * (srcQ.r)) + yi * ((1.0 - xi) * (srcR.r) + xi * (srcS.r))));
                int cvalG = roundColor(((1.0 - yi) * ((1.0 - xi) * (srcP.g) + xi * (srcQ.g)) + yi * ((1.0 - xi) * (srcR.g) + xi * (srcS.g))));
                int cvalB = roundColor(((1.0 - yi) * ((1.0 - xi) * (srcP.b) + xi * (srcQ.b)) + yi * ((1.0 - xi) * (srcR.b) + xi * (srcS.b))));
                x = x - xi + 1.0;
                int cnt = 1;
                while (x < xn) {
                    readSrcPixels(srcImg, x, y);
                    cvalR += (1.0 - yi) * srcP.r + yi * srcR.r;
                    cvalG += (1.0 - yi) * srcP.g + yi * srcR.g;
                    cvalB += (1.0 - yi) * srcP.b + yi * srcR.b;
                    x += 1.0;
                    cnt++;
                }
                pPixel.r = roundColor(cvalR / (double) cnt);
                pPixel.g = roundColor(cvalG / (double) cnt);
                pPixel.b = roundColor(cvalB / (double) cnt);
            }
            dstImg.setRGB(j, i, pPixel.r, pPixel.g, pPixel.b);
        }
    }
}

Example 50 with Pixel

use of org.jwildfire.image.Pixel in project JWildfire by thargor6.

the class ShearTransformer method shearX.

private void shearX(SimpleImage pImg) {
    int width = pImg.getImageWidth();
    int height = pImg.getImageHeight();
    Pixel pPixel = new Pixel();
    double cx = (double) width / 2.0 - 0.5;
    double cy = (double) height / 2.0 - 0.5;
    double oy = this.centreY - cy;
    double zoom = this.zoom;
    if (zoom < 0.01)
        zoom = 0.01;
    zoom = 1.0 / zoom;
    double fshift = this.amount / (100.0 - 1.0);
    double shift = 0.0 - fshift;
    double w1 = (double) width - 1.0;
    double h1 = (double) height - 1.0;
    for (int i = 0; i < height; i++) {
        double y0 = (double) i - cy;
        for (int j = 0; j < width; j++) {
            /* transform the point */
            double x0 = (double) j - cx;
            double amp = (y0 - oy) * shift;
            double x = (x0 + amp) * zoom + cx;
            double y = y0 * zoom + cy;
            /* render it */
            double xi = Tools.fmod33(x);
            double yi = Tools.fmod33(y);
            if ((x < 0.0) || (x > w1) || (y < 0.0) || (y > h1)) {
                pPixel.r = pPixel.g = pPixel.b = 0;
            } else {
                readSrcPixels(x, y);
                pPixel.r = roundColor(((1.0 - yi) * ((1.0 - xi) * (srcP.r) + xi * (srcQ.r)) + yi * ((1.0 - xi) * (srcR.r) + xi * (srcS.r))));
                pPixel.g = roundColor(((1.0 - yi) * ((1.0 - xi) * (srcP.g) + xi * (srcQ.g)) + yi * ((1.0 - xi) * (srcR.g) + xi * (srcS.g))));
                pPixel.b = roundColor(((1.0 - yi) * ((1.0 - xi) * (srcP.b) + xi * (srcQ.b)) + yi * ((1.0 - xi) * (srcR.b) + xi * (srcS.b))));
            }
            pImg.setRGB(j, i, pPixel.r, pPixel.g, pPixel.b);
        }
    }
}