Java Code Examples for javafx.scene.image.WritableImage#getPixelWriter()

The following examples show how to use javafx.scene.image.WritableImage#getPixelWriter() . These examples are extracted from open source projects. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
Source Project: latexdraw   File: ViewText.java    License: GNU General Public License v3.0 6 votes vote down vote up
/**
 * Adds transparency to the given image.
 * @param img The image to transform.
 * @return The same image with white replaced by transparent.
 */
private WritableImage toTransparentPNG(final Image img) {
	final PixelReader pixelReader = img.getPixelReader();
	final WritableImage wImage = new WritableImage((int) img.getWidth(), (int) img.getHeight());
	final PixelWriter pixelWriter = wImage.getPixelWriter();

	for(int readY = 0; readY < img.getHeight(); readY++) {
		for(int readX = 0; readX < img.getWidth(); readX++) {
			final javafx.scene.paint.Color color = pixelReader.getColor(readX, readY);
			if (color.equals(javafx.scene.paint.Color.WHITE)) {
				pixelWriter.setColor(readX, readY, new javafx.scene.paint.Color(color.getRed(), color.getGreen(), color.getBlue(), 0)); // new javafx.scene.paint.Color(1, 1, 1, 0));
			} else {
				pixelWriter.setColor(readX, readY, color);
			}
		}
	}

	return wImage;
}
 
Example 2
Source Project: oim-fx   File: HeadImagePanel.java    License: MIT License 6 votes vote down vote up
private void setGrayImage(Image image) {
	if (null != image && !image.isBackgroundLoading()) {
		int imageWidth = (int) image.getWidth();
		int imageHeight = (int) image.getHeight();
		if (imageWidth > 0 && imageHeight > 0) {
			PixelReader pixelReader = image.getPixelReader();
			grayImage = new WritableImage(imageWidth, imageHeight);
			PixelWriter pixelWriter = grayImage.getPixelWriter();
			if (null != pixelWriter && null != pixelReader) {
				for (int y = 0; y < imageHeight; y++) {
					for (int x = 0; x < imageWidth; x++) {
						Color color = pixelReader.getColor(x, y);
						color = color.grayscale();
						pixelWriter.setColor(x, y, color);
					}
				}
			}
		} else {
			grayImage = null;
		}
	} else {
		grayImage = null;
	}
}
 
Example 3
@Override
@BackgroundThread
protected void writeData(@NotNull final VarTable vars, final @NotNull Path resultFile) throws IOException {
    super.writeData(vars, resultFile);

    final Color color = UiUtils.from(vars.get(PROP_COLOR, ColorRGBA.class));

    final int width = vars.getInteger(PROP_WIDTH);
    final int height = vars.getInteger(PROP_HEIGHT);

    final WritableImage writableImage = new WritableImage(width, height);
    final PixelWriter pixelWriter = writableImage.getPixelWriter();

    for (int i = 0; i < width; i++) {
        for (int j = 0; j < height; j++) {
            pixelWriter.setColor(i, j, color);
        }
    }

    final BufferedImage bufferedImage = SwingFXUtils.fromFXImage(writableImage, null);

    try (final OutputStream out = Files.newOutputStream(resultFile)) {
        ImageIO.write(bufferedImage, "png", out);
    }
}
 
Example 4
Source Project: oim-fx   File: ImagePane.java    License: MIT License 6 votes vote down vote up
private void setGrayImage(Image image) {
	if (null != image && !image.isBackgroundLoading()) {
		int imageWidth = (int) image.getWidth();
		int imageHeight = (int) image.getHeight();
		if (imageWidth > 0 && imageHeight > 0) {
			PixelReader pixelReader = image.getPixelReader();
			grayImage = new WritableImage(imageWidth, imageHeight);
			PixelWriter pixelWriter = grayImage.getPixelWriter();
			for (int y = 0; y < imageHeight; y++) {
				for (int x = 0; x < imageWidth; x++) {
					Color color = pixelReader.getColor(x, y);
					color = color.grayscale();
					pixelWriter.setColor(x, y, color);
				}
			}
		} else {
			grayImage = null;
		}
	} else {
		grayImage = null;
	}
}
 
Example 5
Source Project: phoebus   File: ImageScaling.java    License: Eclipse Public License 1.0 6 votes vote down vote up
@Override
public void start(final Stage stage)
{
    // Image with red border
    final WritableImage image = new WritableImage(WIDTH, HEIGHT);
    final PixelWriter writer = image.getPixelWriter();
    for (int x=0; x<WIDTH; ++x)
    {
        writer.setColor(x, 0, Color.RED);
        writer.setColor(x, HEIGHT-1, Color.RED);
    }
    for (int y=0; y<HEIGHT; ++y)
    {
        writer.setColor(0, y, Color.RED);
        writer.setColor(WIDTH-1, y, Color.RED);
    }

    // Draw into canvas, scaling 'up'
    final Canvas canvas = new Canvas(800, 600);
    canvas.getGraphicsContext2D().drawImage(image, 0, 0, canvas.getWidth(), canvas.getHeight());

    final Scene scene = new Scene(new Group(canvas), canvas.getWidth(), canvas.getHeight());
    stage.setScene(scene);
    stage.show();
}
 
Example 6
Source Project: jace   File: VideoDHGR.java    License: GNU General Public License v2.0 6 votes vote down vote up
protected void showBW(WritableImage screen, int xOffset, int y, int dhgrWord) {
    // Using the data buffer directly is about 15 times faster than setRGB
    // This is because setRGB does extra (useless) color model logic
    // For that matter even Graphics.drawLine is faster than setRGB!
    // This is equivilant to y*560 but is 5% faster
    // Also, adding xOffset now makes it additionally 5% faster
    //int yOffset = ((y << 4) + (y << 5) + (y << 9))+xOffset;

    int xx = xOffset;
    PixelWriter writer = screen.getPixelWriter();
    for (int i = 0; i < 28; i++) {
        if (xx < 560) {
        // yOffset++ is used instead of yOffset+i, because it is faster
        writer.setColor(xx++, y, (dhgrWord & 1) == 1 ? WHITE : BLACK);
        }
        dhgrWord >>= 1;
    }
}
 
Example 7
Source Project: JFoenix   File: JFXColorPickerUI.java    License: Apache License 2.0 6 votes vote down vote up
private Image getHuesCircle(int width, int height) {
    WritableImage raster = new WritableImage(width, height);
    PixelWriter pixelWriter = raster.getPixelWriter();
    Point2D center = new Point2D((double) width / 2, (double) height / 2);
    double rsmall = 0.8 * width / 2;
    double rbig = (double) width / 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));
            double o = Math.atan2(dy, dx);
            if (distance > rsmall && distance < rbig) {
                double H = map(o, -Math.PI, Math.PI, 0, 255);
                double S = 255;
                double L = 152;
                pixelWriter.setColor(x, y, HSL2RGB(H, S, L));
            }
        }
    }
    return raster;
}
 
Example 8
Source Project: Enzo   File: LcdSkin.java    License: Apache License 2.0 6 votes vote down vote up
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;
}
 
Example 9
Source Project: MyBox   File: FxmlImageManufacture.java    License: Apache License 2.0 6 votes vote down vote up
public static Image cropInsideFx(Image image, DoubleShape shape, Color bgColor) {
    if (image == null || shape == null || !shape.isValid()
            || bgColor == null) {
        return image;
    }
    int width = (int) image.getWidth();
    int height = (int) image.getHeight();
    PixelReader pixelReader = image.getPixelReader();
    WritableImage newImage = new WritableImage(width, height);
    PixelWriter pixelWriter = newImage.getPixelWriter();
    for (int y = 0; y < height; y++) {
        for (int x = 0; x < width; x++) {
            if (shape.include(x, y)) {
                pixelWriter.setColor(x, y, bgColor);
            } else {
                pixelWriter.setColor(x, y, pixelReader.getColor(x, y));
            }
        }
    }
    return newImage;
}
 
Example 10
Source Project: jace   File: VideoDHGR.java    License: GNU General Public License v2.0 6 votes vote down vote up
protected void displayLores(WritableImage screen, int xOffset, int y, int rowAddress) {
    int c1 = ((RAM128k) computer.getMemory()).getMainMemory().readByte(rowAddress + xOffset) & 0x0FF;
    if ((y & 7) < 4) {
        c1 &= 15;
    } else {
        c1 >>= 4;
    }
    Color color = Palette.color[c1];
    // Unrolled loop, faster
    PixelWriter writer = screen.getPixelWriter();
    int xx = xOffset * 14;
    writer.setColor(xx++, y, color);
    writer.setColor(xx++, y, color);
    writer.setColor(xx++, y, color);
    writer.setColor(xx++, y, color);
    writer.setColor(xx++, y, color);
    writer.setColor(xx++, y, color);
    writer.setColor(xx++, y, color);
    writer.setColor(xx++, y, color);
    writer.setColor(xx++, y, color);
    writer.setColor(xx++, y, color);
    writer.setColor(xx++, y, color);
    writer.setColor(xx++, y, color);
    writer.setColor(xx++, y, color);
    writer.setColor(xx++, y, color);
}
 
Example 11
Source Project: gef   File: FXColorPicker.java    License: Eclipse Public License 2.0 6 votes vote down vote up
/**
 * Draws a color wheel into the given {@link WritableImage}, starting at the
 * given offsets, in the given size (in pixel).
 *
 * @param image
 *            The {@link WritableImage} in which the color wheel is drawn.
 * @param offsetX
 *            The horizontal offset (in pixel).
 * @param offsetY
 *            The vertical offset (in pixel).
 * @param size
 *            The size (in pixel).
 */
private void renderColorWheel(WritableImage image, int offsetX, int offsetY,
		int size) {
	PixelWriter px = image.getPixelWriter();
	double radius = size / 2;
	Point2D mid = new Point2D(radius, radius);
	for (int y = 0; y < size; y++) {
		for (int x = 0; x < size; x++) {
			double d = mid.distance(x, y);
			if (d <= radius) {
				// compute hue angle
				double angleRad = d == 0 ? 0
						: Math.atan2(y - mid.getY(), x - mid.getX());
				// compute saturation depending on distance to
				// middle
				// ([0;1])
				double sat = d / radius;
				Color color = Color.hsb(angleRad * 180 / Math.PI, sat, 1);
				px.setColor(offsetX + x, offsetY + y, color);
			} else {
				px.setColor(offsetX + x, offsetY + y, Color.TRANSPARENT);
			}
		}
	}
}
 
Example 12
Source Project: MyBox   File: FxmlImageManufacture.java    License: Apache License 2.0 6 votes vote down vote up
public static Image verticalImage(Image image) {
    int width = (int) image.getWidth();
    int height = (int) image.getHeight();
    PixelReader pixelReader = image.getPixelReader();
    WritableImage newImage = new WritableImage(width, height);
    PixelWriter pixelWriter = newImage.getPixelWriter();
    for (int i = 0; i < width; ++i) {
        int t = 0, b = height - 1;
        while (t <= b) {
            Color ct = pixelReader.getColor(i, t);
            Color cb = pixelReader.getColor(i, b);
            pixelWriter.setColor(i, t, cb);
            pixelWriter.setColor(i, b, ct);
            t++;
            b--;
        }
    }
    return newImage;
}
 
Example 13
Source Project: marathonv5   File: ImageOperatorSample.java    License: Apache License 2.0 6 votes vote down vote up
private static void renderImage(WritableImage img, double gridSize, double hueFactor, double hueOffset) {
    PixelWriter pw = img.getPixelWriter();
    double w = img.getWidth();
    double h = img.getHeight();
    double xRatio = 0.0;
    double yRatio = 0.0;
    double hue = 0.0;

    for (int y = 0; y < h; y++) {
        for (int x = 0; x < w; x++) {
            xRatio = x/w;
            yRatio = y/h;
            hue = Math.sin(yRatio*(gridSize*Math.PI))*Math.sin(xRatio*(gridSize*Math.PI))*Math.tan(hueFactor/20.0)*360.0 + hueOffset;
            Color c = Color.hsb(hue, 1.0, 1.0);
            pw.setColor(x, y, c);
        }
    }
}
 
Example 14
Source Project: marathonv5   File: ImageOperatorSample.java    License: Apache License 2.0 6 votes vote down vote up
private static void renderImage(WritableImage img, double gridSize, double hueFactor, double hueOffset) {
    PixelWriter pw = img.getPixelWriter();
    double w = img.getWidth();
    double h = img.getHeight();
    double xRatio = 0.0;
    double yRatio = 0.0;
    double hue = 0.0;

    for (int y = 0; y < h; y++) {
        for (int x = 0; x < w; x++) {
            xRatio = x/w;
            yRatio = y/h;
            hue = Math.sin(yRatio*(gridSize*Math.PI))*Math.sin(xRatio*(gridSize*Math.PI))*Math.tan(hueFactor/20.0)*360.0 + hueOffset;
            Color c = Color.hsb(hue, 1.0, 1.0);
            pw.setColor(x, y, c);
        }
    }
}
 
Example 15
Source Project: chart-fx   File: ContourDataSetCache.java    License: Apache License 2.0 5 votes vote down vote up
protected WritableImage convertDataArrayToImage(final double[] inputData, final int dataWidth, final int dataHeight,
        final ColorGradient colorGradient) {
    final int length = dataWidth * dataHeight;

    final byte[] byteBuffer = ByteArrayCache.getInstance().getArrayExact(length * BGRA_BYTE_SIZE);
    final int rowSizeInBytes = BGRA_BYTE_SIZE * dataWidth;
    final WritableImage image = this.getImage(dataWidth, dataHeight);
    final PixelWriter pixelWriter = image.getPixelWriter();
    if (pixelWriter == null) {
        if (LOGGER.isErrorEnabled()) {
            LOGGER.atError().log("Could not get PixelWriter for image");
        }
        return image;
    }

    final int hMinus1 = dataHeight - 1;
    for (int yIndex = 0; yIndex < dataHeight; yIndex++) {
        final int rowIndex = dataWidth * yIndex;
        final int rowPixelIndex = rowSizeInBytes * (hMinus1 - yIndex);
        for (int xIndex = 0; xIndex < dataWidth; xIndex++) {
            final int x = xIndex;
            final int[] color = colorGradient.getColorBytes(inputData[rowIndex + xIndex]);

            final int pixelIndex = rowPixelIndex + x * BGRA_BYTE_SIZE;
            byteBuffer[pixelIndex] = (byte) (color[3]);
            byteBuffer[pixelIndex + 1] = (byte) (color[2]);
            byteBuffer[pixelIndex + 2] = (byte) (color[1]);
            byteBuffer[pixelIndex + 3] = (byte) (color[0]);
        }
    }

    pixelWriter.setPixels(0, 0, dataWidth, dataHeight, PixelFormat.getByteBgraPreInstance(), byteBuffer, 0,
            rowSizeInBytes);
    ByteArrayCache.getInstance().add(byteBuffer);
    return image;
}
 
Example 16
Source Project: Quelea   File: Utils.java    License: GNU General Public License v3.0 5 votes vote down vote up
/**
 * Get an image filled with the specified colour.
 * <p/>
 * @param color the colour of the image.
 * @return the image.
 */
public static Image getImageFromColour(final Color color) {
	WritableImage image = new WritableImage(2, 2);
	PixelWriter writer = image.getPixelWriter();
	for (int i = 0; i < image.getWidth(); i++) {
		for (int j = 0; j < image.getHeight(); j++) {
			writer.setColor(i, j, color);
		}
	}
	return image;
}
 
Example 17
Source Project: MyBox   File: FxmlImageManufacture.java    License: Apache License 2.0 5 votes vote down vote up
public static Image createImage(int width, int height, Color color) {
    WritableImage newImage = new WritableImage(width, height);
    PixelWriter pixelWriter = newImage.getPixelWriter();
    for (int y = 0; y < newImage.getHeight(); y++) {
        for (int x = 0; x < newImage.getWidth(); x++) {
            pixelWriter.setColor(x, y, color);
        }
    }
    return newImage;
}
 
Example 18
Source Project: MyBox   File: FxmlImageManufacture.java    License: Apache License 2.0 5 votes vote down vote up
public static Image manufactureImage(Image image, int manuType) {
    PixelReader pixelReader = image.getPixelReader();
    WritableImage newImage = new WritableImage((int) image.getWidth(), (int) image.getHeight());
    PixelWriter pixelWriter = newImage.getPixelWriter();

    for (int y = 0; y < image.getHeight(); y++) {
        for (int x = 0; x < image.getWidth(); x++) {
            Color color = pixelReader.getColor(x, y);
            switch (manuType) {
                case ImageManufactureType.Brighter:
                    color = color.brighter();
                    break;
                case ImageManufactureType.Darker:
                    color = color.darker();
                    break;
                case ImageManufactureType.Gray:
                    color = color.grayscale();
                    break;
                case ImageManufactureType.Invert:
                    color = color.invert();
                    break;
                case ImageManufactureType.Saturate:
                    color = color.saturate();
                    break;
                case ImageManufactureType.Desaturate:
                    color = color.desaturate();
                    break;
                default:
                    break;
            }
            pixelWriter.setColor(x, y, color);
        }
    }
    return newImage;
}
 
Example 19
Source Project: MyBox   File: FxmlImageManufacture.java    License: Apache License 2.0 5 votes vote down vote up
public static Image cropOutsideFx(Image image, DoubleShape shape, Color bgColor) {
    try {
        if (image == null || shape == null || !shape.isValid()
                || bgColor == null) {
            return image;
        }
        int width = (int) image.getWidth();
        int height = (int) image.getHeight();
        DoubleRectangle bound = shape.getBound();

        int x1 = (int) Math.round(Math.max(0, bound.getSmallX()));
        int y1 = (int) Math.round(Math.max(0, bound.getSmallY()));
        if (x1 >= width || y1 >= height) {
            return image;
        }
        int x2 = (int) Math.round(Math.min(width - 1, bound.getBigX()));
        int y2 = (int) Math.round(Math.min(height - 1, bound.getBigY()));
        int w = x2 - x1 + 1;
        int h = y2 - y1 + 1;
        PixelReader pixelReader = image.getPixelReader();
        WritableImage newImage = new WritableImage(w, h);
        PixelWriter pixelWriter = newImage.getPixelWriter();
        for (int y = 0; y < h; y++) {
            for (int x = 0; x < w; x++) {
                if (shape.include(x1 + x, y1 + y)) {
                    pixelWriter.setColor(x, y, pixelReader.getColor(x1 + x, y1 + y));
                } else {
                    pixelWriter.setColor(x, y, bgColor);
                }
            }
        }
        return newImage;
    } catch (Exception e) {
        logger.debug(e.toString());
        return image;
    }
}
 
Example 20
Source Project: JFoenix   File: JFXColorPickerUI.java    License: Apache License 2.0 5 votes vote down vote up
private Image getSLCricle(int width, int height) {
    WritableImage raster = new WritableImage(width, height);
    PixelWriter pixelWriter = raster.getPixelWriter();
    Point2D center = new Point2D((double) width / 2, (double) height / 2);
    for (int y = 0; y < height; y++) {
        for (int x = 0; x < width; x++) {
            double dy = x - center.getX();
            double dx = y - center.getY();
            pixelWriter.setColor(x, y, getColor(dx, dy));
        }
    }
    return raster;
}