Package javafx.scene.image

Examples of javafx.scene.image.PixelWriter

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    private Image createNoiseImage(final double WIDTH, final double HEIGHT, final Color DARK_COLOR, final Color BRIGHT_COLOR, final double ALPHA_VARIATION_IN_PERCENT) {
        int width  = WIDTH <= 0 ? (int) PREFERRED_WIDTH : (int) WIDTH;
        int height = HEIGHT <= 0 ? (int) PREFERRED_HEIGHT : (int) HEIGHT;
        double alphaVariationInPercent      = getSkinnable().clamp(0, 100, ALPHA_VARIATION_IN_PERCENT);
        final WritableImage IMAGE           = new WritableImage(width, height);
        final PixelWriter   PIXEL_WRITER    = IMAGE.getPixelWriter();
        final Random        BW_RND          = new Random();
        final Random        ALPHA_RND       = new Random();
        final double        ALPHA_START     = alphaVariationInPercent / 100 / 2;
        final double        ALPHA_VARIATION = alphaVariationInPercent / 100;
        Color  noiseColor;
        double noiseAlpha;
        for (int y = 0; y < height; y++) {
            for (int x = 0; x < width; x++) {
                noiseColor = BW_RND.nextBoolean() == true ? BRIGHT_COLOR : DARK_COLOR;
                noiseAlpha = getSkinnable().clamp(0, 1, ALPHA_START + ALPHA_RND.nextDouble() * ALPHA_VARIATION);
                PIXEL_WRITER.setColor(x, y, Color.color(noiseColor.getRed(), noiseColor.getGreen(), noiseColor.getBlue(), noiseAlpha));
            }
        }
        return IMAGE;
    }
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    private Image createNoiseImage(final double WIDTH, final double HEIGHT, final Color DARK_COLOR, final Color BRIGHT_COLOR, final double ALPHA_VARIATION_IN_PERCENT) {
        int width  = WIDTH <= 0 ? (int) PREFERRED_WIDTH : (int) WIDTH;
        int height = HEIGHT <= 0 ? (int) PREFERRED_HEIGHT : (int) HEIGHT;
        double alphaVariationInPercent      = getSkinnable().clamp(0, 100, ALPHA_VARIATION_IN_PERCENT);
        final WritableImage IMAGE           = new WritableImage(width, height);
        final PixelWriter   PIXEL_WRITER    = IMAGE.getPixelWriter();
        final Random        BW_RND          = new Random();
        final Random        ALPHA_RND       = new Random();
        final double        ALPHA_START     = alphaVariationInPercent / 100 / 2;
        final double        ALPHA_VARIATION = alphaVariationInPercent / 100;
        Color noiseColor;
        double noiseAlpha;
        for (int y = 0; y < height; y++) {
            for (int x = 0; x < width; x++) {
                noiseColor = BW_RND.nextBoolean() == true ? BRIGHT_COLOR : DARK_COLOR;
                noiseAlpha = getSkinnable().clamp(0, 1, ALPHA_START + ALPHA_RND.nextDouble() * ALPHA_VARIATION);
                PIXEL_WRITER.setColor(x, y, Color.color(noiseColor.getRed(), noiseColor.getGreen(), noiseColor.getBlue(), noiseAlpha));
            }
        }
        return IMAGE;
    }
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        }
        return a;
    }

    private void setRGB(final WritableImage IMAGE, final int X, final int Y, final int[] PIXELS) {
        final PixelWriter RASTER = IMAGE.getPixelWriter();
        for (int x = 0 ; x < PIXELS.length ; x++) {
            RASTER.setColor(X + x, Y, Color.rgb((PIXELS[x] >> 16) & 0xFF, (PIXELS[x] >> 8) & 0xFF, (PIXELS[x] &0xFF)));
        }
    }
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    public Image getImage(final double WIDTH, final double HEIGHT) {
        int   width  = (int) WIDTH  <= 0 ? 100 : (int) WIDTH;
        int   height = (int) HEIGHT <= 0 ? 100 : (int) HEIGHT;
        Color color  = Color.TRANSPARENT;
        final WritableImage RASTER       = new WritableImage(width, height);
        final PixelWriter   PIXEL_WRITER = RASTER.getPixelWriter();
        if (null == center) {
            center = new Point2D(width / 2, height / 2);
        }

        for (int y = 0; y < height; y++) {
            for (int x = 0; x < width; x++) {
                double dx = x - center.getX();
                double dy = y - center.getY();
                double distance = Math.sqrt((dx * dx) + (dy * dy));
                distance = Double.compare(distance, 0) == 0 ? 1 : distance;

                double angle = Math.abs(Math.toDegrees(Math.acos(dx / distance)));
                if (dx >= 0 && dy <= 0) {
                    angle = 90.0 - angle;
                } else if (dx >= 0 && dy >= 0) {
                    angle += 90.0;
                } else if (dx <= 0 && dy >= 0) {
                    angle += 90.0;
                } else if (dx <= 0 && dy <= 0) {
                    angle = 450.0 - angle;
                }
                for (int i = 0; i < (sortedStops.size() - 1); i++) {
                    if (angle >= (sortedStops.get(i).getOffset() * 360) && angle < (sortedStops.get(i + 1).getOffset() * 360)) {
                        double fraction = (angle - sortedStops.get(i).getOffset() * 360) / ((sortedStops.get(i + 1).getOffset() - sortedStops.get(i).getOffset()) * 360);
                        color = (Color) Interpolator.LINEAR.interpolate(sortedStops.get(i).getColor(), sortedStops.get(i + 1).getColor(), fraction);
                    }
                }
                PIXEL_WRITER.setColor(x, y, color);
            }
        }
        return RASTER;
    }
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    public static Image createGrayNoise(final double WIDTH, final double HEIGHT, final Color DARK_COLOR, final Color BRIGHT_COLOR) {
        if (WIDTH <= 0 || HEIGHT <= 0) {
            return null;
        }
        final WritableImage IMAGE      = new WritableImage((int) WIDTH, (int) HEIGHT);
        final PixelWriter PIXEL_WRITER = IMAGE.getPixelWriter();
        final Random RND = new Random();

        double redDark   = DARK_COLOR.getRed();
        double greenDark = DARK_COLOR.getGreen();
        double blueDark  = DARK_COLOR.getBlue();

        double redBright   = DARK_COLOR.getRed();
        double greenBright = DARK_COLOR.getGreen();
        double blueBright  = DARK_COLOR.getBlue();

        int startRed   = (int) (Math.min(redDark, redBright) * 255);
        int startGreen = (int) (Math.min(greenDark, greenBright) * 255);
        int startBlue  = (int) (Math.min(blueDark, blueBright) * 255);
        int start = returnLargest(startRed, startGreen, startBlue);

        int deltaRed   = Math.abs((int) ((BRIGHT_COLOR.getRed() - DARK_COLOR.getRed()) * 255));
        int deltaGreen = Math.abs((int) ((BRIGHT_COLOR.getGreen() - DARK_COLOR.getGreen()) * 255));
        int deltaBlue  = Math.abs((int) ((BRIGHT_COLOR.getBlue() - DARK_COLOR.getBlue()) * 255));
        int delta = returnLargest(deltaRed, deltaGreen, deltaBlue);

        int gray;
        for (int y = 0; y < HEIGHT; y++) {
            for (int x = 0; x < WIDTH; x++) {
                gray = delta > 0 ? start + RND.nextInt(delta) : start;
                PIXEL_WRITER.setColor(x, y, Color.rgb(clamp(0, 255, gray), clamp(0, 255, gray), clamp(0, 255, gray)));
            }
        }
        return IMAGE;
    }
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    public Image getImage(final double WIDTH, final double HEIGHT) {
        int   width  = (int) WIDTH  <= 0 ? 100 : (int) WIDTH;
        int   height = (int) HEIGHT <= 0 ? 100 : (int) HEIGHT;
        final WritableImage RASTER       = new WritableImage(width, height);
        final PixelWriter   PIXEL_WRITER = RASTER.getPixelWriter();
        final double FRACTION_STEP_X     = 1.0 / (WIDTH - 1);
        final double FRACTION_STEP_Y     = 1.0 / (HEIGHT - 1);
        double fractionX = 0;
        double fractionY = 0;

        for (int y = 0; y < HEIGHT ; y++) {
            for (int x = 0 ; x < WIDTH ; x++) {
                PIXEL_WRITER.setColor(x, y, biLinearInterpolateColor(COLOR_00, COLOR_10, COLOR_01, COLOR_11, fractionX, fractionY));
                fractionX += FRACTION_STEP_X;
                fractionX = fractionX > 1 ? 1 : fractionX;
            }
            fractionY += FRACTION_STEP_Y;
            fractionY = fractionY > 1 ? 1 : fractionY;
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        double  aSquare = a * a;
        double  b       = HEIGHT / 2.0;
        double  bSquare = b * b;
        Color   color   = Color.TRANSPARENT;
        final WritableImage RASTER       = new WritableImage(width, height);
        final PixelWriter PIXEL_WRITER = RASTER.getPixelWriter();
        double isInside;
        double fraction;
        double currentOffset;
        double nextOffset;
        for (int y = 0 ; y < height ; y++) {
            for (int x = 0 ; x < width ; x++) {
                isInside = ((x - CENTER.getX()) * (x - CENTER.getX())) / aSquare + ((y - CENTER.getY()) * (y - CENTER.getY())) / bSquare;
                isInside = isInside > 1 ? 1 : isInside;
                for (int i = 0; i < (sortedStops.size() - 1); i++) {
                    currentOffset = sortedStops.get(i).getOffset();
                    nextOffset    = sortedStops.get(i + 1).getOffset();
                    if (Double.compare(isInside, currentOffset) > 0 && Double.compare(isInside, nextOffset) <= 0) {
                        fraction = (isInside - currentOffset) / (nextOffset - currentOffset);
                        color    = (Color) Interpolator.LINEAR.interpolate(sortedStops.get(i).getColor(), sortedStops.get(i + 1).getColor(), fraction);
                    }
                }
                PIXEL_WRITER.setColor(x, y, color);
            }
        }
        return RASTER;
    }
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        }
        return a;
    }

    private void setRGB(final WritableImage IMAGE, final int X, final int Y, final int[] PIXELS) {
        final PixelWriter RASTER = IMAGE.getPixelWriter();
        for (int x = 0 ; x < PIXELS.length ; x++) {
            RASTER.setColor(X + x, Y, Color.rgb((PIXELS[x] >> 16) & 0xFF, (PIXELS[x] >> 8) & 0xFF, (PIXELS[x] &0xFF)));
        }
    }
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    public Image getImage(final double WIDTH, final double HEIGHT) {
        int width = (int) WIDTH <= 0 ? 100 : (int) WIDTH;
        int height = (int) HEIGHT <= 0 ? 100 : (int) HEIGHT;
        final WritableImage RASTER = new WritableImage(width, height);
        final PixelWriter PIXEL_WRITER = RASTER.getPixelWriter();
        Color color = Color.TRANSPARENT;
        if (center == null) {
            center = new Point2D(width / 2, height / 2);
        }

        for (int y = 0; y < height; y++) {
            for (int x = 0; x < width; x++) {
                double dx = x - center.getX();
                double dy = y - center.getY();
                double distance = Math.sqrt((dx * dx) + (dy * dy));
                distance = Double.compare(distance, 0) == 0 ? 1 : distance;

                double angle = Math.abs(Math.toDegrees(Math.acos(dx / distance)));
                if (dx >= 0 && dy <= 0) {
                    angle = 90.0 - angle;
                } else if (dx >= 0 && dy >= 0) {
                    angle += 90.0;
                } else if (dx <= 0 && dy >= 0) {
                    angle += 90.0;
                } else if (dx <= 0 && dy <= 0) {
                    angle = 450.0 - angle;
                }
                for (int i = 0; i < (sortedStops.size() - 1); i++) {
                    if (angle >= (sortedStops.get(i).getOffset() * 360) && angle < (sortedStops.get(i + 1).getOffset() * 360)) {
                        double fraction = (angle - sortedStops.get(i).getOffset() * 360) / ((sortedStops.get(i + 1).getOffset() - sortedStops.get(i).getOffset()) * 360);
                        color = (Color) Interpolator.LINEAR.interpolate(sortedStops.get(i).getColor(), sortedStops.get(i + 1).getColor(), fraction);
                    }
                }
                PIXEL_WRITER.setColor(x, y, color);
            }
        }
        return RASTER;
    }
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        if (WIDTH <= 0 || HEIGHT <= 0) {
            return null;
        }
        double alphaVariationInPercent      = clamp(0, 100, ALPHA_VARIATION_IN_PERCENT);
        final WritableImage IMAGE           = new WritableImage((int) WIDTH, (int) HEIGHT);
        final PixelWriter PIXEL_WRITER      = IMAGE.getPixelWriter();
        final Random        BW_RND          = new Random();
        final Random        ALPHA_RND       = new Random();
        final double        ALPHA_START     = alphaVariationInPercent / 100 / 2;
        final double        ALPHA_VARIATION = alphaVariationInPercent / 100;
        Color noiseColor;
        double noiseAlpha;
        for (int y = 0; y < HEIGHT; y++) {
            for (int x = 0; x < WIDTH; x++) {
                if (BW_RND.nextBoolean()) {
                    noiseColor = BRIGHT_COLOR;
                } else {
                    noiseColor = DARK_COLOR;
                }
                noiseAlpha = clamp(0, 1, ALPHA_START + ALPHA_RND.nextDouble() * ALPHA_VARIATION);
                PIXEL_WRITER.setColor(x, y, Color.color(noiseColor.getRed(), noiseColor.getGreen(), noiseColor.getBlue(), noiseAlpha));
            }
        }
        return IMAGE;
    }
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