Package javafx.scene.image

Examples of javafx.scene.image.PixelWriter

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    public static Paint applyNoisyBackground(final Shape SHAPE, final Color TEXTURE_COLOR) {
        final int           WIDTH           = (int) SHAPE.getLayoutBounds().getWidth();
        final int           HEIGHT          = (int) SHAPE.getLayoutBounds().getHeight();
        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     = 0.045;
        final double        ALPHA_VARIATION = 0.09;
        Color  noiseColor;
        double noiseAlpha;
        for (int y = 0; y < HEIGHT; y++) {
            for (int x = 0; x < WIDTH; x++) {
                if (BW_RND.nextBoolean()) {
                    noiseColor = TEXTURE_COLOR.brighter();
                } else {
                    noiseColor = TEXTURE_COLOR.darker();
                }
                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));
            }
        }
    double x      = SHAPE.getLayoutBounds().getMinX();
    double y      = SHAPE.getLayoutBounds().getMinY();
    double width  = SHAPE.getLayoutBounds().getWidth();
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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;     
        IntStream.range(0, height).parallel().forEachOrdered(
            y -> {
                IntStream.range(0, width).parallel().forEachOrdered(
                    x -> {
                        final Color  NOISE_COLOR = BW_RND.nextBoolean() == true ? BRIGHT_COLOR : DARK_COLOR;
                        final double NOISE_ALPHA = getSkinnable().clamp(0, 1, ALPHA_START + ALPHA_RND.nextDouble() * ALPHA_VARIATION);
                        PIXEL_WRITER.setColor(x, y, Color.color(NOISE_COLOR.getRed(), NOISE_COLOR.getGreen(), NOISE_COLOR.getBlue(), NOISE_ALPHA));
                    }
                );
            }
        );
        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;       
        IntStream.range(0, height).parallel().forEachOrdered(
            y -> {
                IntStream.range(0, width).parallel().forEachOrdered(
                    x -> {
                        final Color  NOISE_COLOR = BW_RND.nextBoolean() == true ? BRIGHT_COLOR : DARK_COLOR;
                        final double NOISE_ALPHA = getSkinnable().clamp(0, 1, ALPHA_START + ALPHA_RND.nextDouble() * ALPHA_VARIATION);
                        PIXEL_WRITER.setColor(x, y, Color.color(NOISE_COLOR.getRed(), NOISE_COLOR.getGreen(), NOISE_COLOR.getBlue(), NOISE_ALPHA));   
                    }
                );
            }
        );
        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 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 = Math.max(Math.max(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      = Math.max(Math.max(deltaRed, deltaGreen), deltaBlue);       
        int width      = (int) WIDTH;
        int height     = (int) HEIGHT;
        IntStream.range(0, height).parallel().forEach(
            y -> {
                IntStream.range(0, width).parallel().forEach(
                    x -> {
                        int 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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