diff options
| author | sowgro <tpoke.ferrari@gmail.com> | 2023-05-05 08:18:31 -0400 | 
|---|---|---|
| committer | sowgro <tpoke.ferrari@gmail.com> | 2023-05-05 08:18:31 -0400 | 
| commit | 9e9e1a5a1b43c50e7ce962e7be734c958cc67cf2 (patch) | |
| tree | 1e3f088dd223310fc08f0ed0a0336a9143c93df3 | |
| parent | a36ff772f5c180030f25883f7a63307a66bdb838 (diff) | |
| download | NPEhero-9e9e1a5a1b43c50e7ce962e7be734c958cc67cf2.tar.gz NPEhero-9e9e1a5a1b43c50e7ce962e7be734c958cc67cf2.tar.bz2 NPEhero-9e9e1a5a1b43c50e7ce962e7be734c958cc67cf2.zip | |
lots of methods to try to get a drop shadow
| -rw-r--r-- | .gitignore (renamed from apcs/.gitignore) | 0 | ||||
| -rw-r--r-- | apcs/RoundedRectangleTest.java | 62 | ||||
| -rw-r--r-- | apcs/SongPlayer.java | 2 | ||||
| -rw-r--r-- | apcs/shadowtest.java | 26 | ||||
| -rw-r--r-- | dropShadow/GraphicsUtilities.java | 555 | ||||
| -rw-r--r-- | dropShadow/Main.form | 96 | ||||
| -rw-r--r-- | dropShadow/Main.java | 125 | ||||
| -rw-r--r-- | dropShadow/PanelShadow.java | 100 | ||||
| -rw-r--r-- | dropShadow/ShadowRenderer.java | 185 | ||||
| -rw-r--r-- | dropShadow/ShadowType.java | 5 | 
10 files changed, 1139 insertions, 17 deletions
| diff --git a/apcs/.gitignore b/.gitignore index 6b468b6..6b468b6 100644 --- a/apcs/.gitignore +++ b/.gitignore diff --git a/apcs/RoundedRectangleTest.java b/apcs/RoundedRectangleTest.java index e506ec4..c24772c 100644 --- a/apcs/RoundedRectangleTest.java +++ b/apcs/RoundedRectangleTest.java @@ -3,6 +3,7 @@ package apcs;  import java.awt.*;  import java.awt.event.*;  import java.awt.geom.AffineTransform; +import java.awt.geom.RoundRectangle2D;  import javax.swing.*; @@ -15,42 +16,56 @@ public class RoundedRectangleTest extends JFrame {        setVisible(true);     }     public void paint(Graphics g) { +      //DropShadowBorder shadow = new DropShadowBorder();        Graphics2D g2d = (Graphics2D) g;        g2d.setPaint(Color.DARK_GRAY);        g2d.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON); -      /* +      g2d.fillRoundRect(10, 50, 150, 150, 30, 30); // to draw a rounded rectangle. +       +      /*Graphics2D g2d = (Graphics2D) g;        Color holdColor = g2d.getColor();        g2d.setColor(Color.black);        AffineTransform holdTransform = g2d.getTransform();        // want the shadow to be one line width pixel offset -      float lineWidth = g2d.getStroke() instanceof BasicStroke ? ((BasicStroke) (g2d.getStroke())).getLineWidth() -            : 1.0f; +      float lineWidth; +      if (g2d.getStroke() instanceof BasicStroke) +      { +         lineWidth = ((BasicStroke) (g2d.getStroke())).getLineWidth(); +      }  +      else  +      { +         lineWidth = 1.0f; +      }        //System.err.println("DrawingUtilities.drawShadowedShape(): lineWidth = "+lineWidth); -      g2d.translate(lineWidth, lineWidth); -      g2d.fillRoundRect(10, 50, 150, 150, 50, 50); // to draw a rounded rectangle. -      g2d.setColor(holdColor); -      g2d.setTransform(holdTransform); +      //g2d.translate(lineWidth, lineWidth); +      g2d.fillRoundRect(10, 50, 150, 150, 30, 30); +      //g2d.setColor(holdColor); +      //g2d.setTransform(holdTransform); +      //g2d.drawRoundRect(10, 50, 150, 150, 30, 30);        */ -      g2d.fillRoundRect(10, 50, 150, 150, 50, 50); // to draw a rounded rectangle. -       + +     }     public static void main(String []args) {        new RoundedRectangleTest();     } - -   /*/from www .  j av  a2 s .c  o m -   * @param   shape   the shape to be drawn -   * @param   g2d   the drawing context -   */ +        public static void drawShadowedShape(Shape shape, Graphics2D g2d)      {        Color holdColor = g2d.getColor();        g2d.setColor(Color.black);        AffineTransform holdTransform = g2d.getTransform();        // want the shadow to be one line width pixel offset -      float lineWidth = g2d.getStroke() instanceof BasicStroke ? ((BasicStroke) (g2d.getStroke())).getLineWidth() -            : 1.0f; +      float lineWidth; +      if (g2d.getStroke() instanceof BasicStroke) +      { +         lineWidth = ((BasicStroke) (g2d.getStroke())).getLineWidth(); +      }  +      else  +      { +         lineWidth = 1.0f; +      }        //System.err.println("DrawingUtilities.drawShadowedShape(): lineWidth = "+lineWidth);        g2d.translate(lineWidth, lineWidth);        g2d.draw(shape); @@ -58,4 +73,19 @@ public class RoundedRectangleTest extends JFrame {        g2d.setTransform(holdTransform);        g2d.draw(shape);     } + +   public static void drawShadowedShape2(Shape shape, Graphics2D g2d) { +      Color holdColor = g2d.getColor(); +      g2d.setColor(Color.black); +      AffineTransform holdTransform = g2d.getTransform(); +      // want the shadow to be one line width pixel offset +      float lineWidth = g2d.getStroke() instanceof BasicStroke ? ((BasicStroke) (g2d.getStroke())).getLineWidth() +              : 1.0f; +      //System.err.println("DrawingUtilities.drawShadowedShape(): lineWidth = "+lineWidth); +      g2d.translate(lineWidth, lineWidth); +      g2d.draw(shape); +      g2d.setColor(holdColor); +      g2d.setTransform(holdTransform); +      g2d.draw(shape); +  }  }
\ No newline at end of file diff --git a/apcs/SongPlayer.java b/apcs/SongPlayer.java index 50e06aa..686bc7c 100644 --- a/apcs/SongPlayer.java +++ b/apcs/SongPlayer.java @@ -4,7 +4,7 @@   *Teacher:   *Description:   */ -package cs; +package apcs;  import java.awt.*;  import java.awt.event.*; diff --git a/apcs/shadowtest.java b/apcs/shadowtest.java new file mode 100644 index 0000000..b6acba5 --- /dev/null +++ b/apcs/shadowtest.java @@ -0,0 +1,26 @@ +package apcs; + +import java.awt.BasicStroke; +import java.awt.Color; +import java.awt.Graphics2D; + +import java.awt.Shape; + +import java.awt.geom.AffineTransform; + +public class shadowtest { +    public static void drawShadowedShape(Shape shape, Graphics2D g2d) { +        Color holdColor = g2d.getColor(); +        g2d.setColor(Color.black); +        AffineTransform holdTransform = g2d.getTransform(); +        // want the shadow to be one line width pixel offset +        float lineWidth = g2d.getStroke() instanceof BasicStroke ? ((BasicStroke) (g2d.getStroke())).getLineWidth() +                : 1.0f; +        //System.err.println("DrawingUtilities.drawShadowedShape(): lineWidth = "+lineWidth); +        g2d.translate(lineWidth, lineWidth); +        g2d.draw(shape); +        g2d.setColor(holdColor); +        g2d.setTransform(holdTransform); +        g2d.draw(shape); +    } +}
\ No newline at end of file diff --git a/dropShadow/GraphicsUtilities.java b/dropShadow/GraphicsUtilities.java new file mode 100644 index 0000000..832e59b --- /dev/null +++ b/dropShadow/GraphicsUtilities.java @@ -0,0 +1,555 @@ +/* + * To change this license header, choose License Headers in Project Properties. + * To change this template file, choose Tools | Templates + * and open the template in the editor. + */ +package dropShadow; + +import java.awt.image.BufferedImage; +import java.awt.image.ColorModel; +import java.awt.image.Raster; +import java.awt.image.WritableRaster; +import java.awt.GraphicsConfiguration; +import java.awt.Transparency; +import java.awt.Graphics; +import java.awt.GraphicsEnvironment; +import java.awt.Graphics2D; +import java.awt.RenderingHints; +import java.io.IOException; +import java.net.URL; +import javax.imageio.ImageIO; + +/** + * <p> + * <code>GraphicsUtilities</code> contains a set of tools to perform common + * graphics operations easily. These operations are divided into several themes, + * listed below.</p> + * <h2>Compatible Images</h2> + * <p> + * Compatible images can, and should, be used to increase drawing performance. + * This class provides a number of methods to load compatible images directly + * from files or to convert existing images to compatibles images.</p> + * <h2>Creating Thumbnails</h2> + * <p> + * This class provides a number of methods to easily scale down images. Some of + * these methods offer a trade-off between speed and result quality and shouuld + * be used all the time. They also offer the advantage of producing compatible + * images, thus automatically resulting into better runtime performance.</p> + * <p> + * All these methodes are both faster than + * {@link java.awt.Image#getScaledInstance(int, int, int)} and produce + * better-looking results than the various <code>drawImage()</code> methods in + * {@link java.awt.Graphics}, which can be used for image scaling.</p> + * <h2>Image Manipulation</h2> + * <p> + * This class provides two methods to get and set pixels in a buffered image. + * These methods try to avoid unmanaging the image in order to keep good + * performance.</p> + * + * @author Romain Guy <romain.guy@mac.com> + */ +public class GraphicsUtilities { + +    private GraphicsUtilities() { +    } + +    // Returns the graphics configuration for the primary screen +    private static GraphicsConfiguration getGraphicsConfiguration() { +        return GraphicsEnvironment.getLocalGraphicsEnvironment(). +                getDefaultScreenDevice().getDefaultConfiguration(); +    } + +    /** +     * <p> +     * Returns a new <code>BufferedImage</code> using the same color model as +     * the image passed as a parameter. The returned image is only compatible +     * with the image passed as a parameter. This does not mean the returned +     * image is compatible with the hardware.</p> +     * +     * @param image the reference image from which the color model of the new +     * image is obtained +     * @return a new <code>BufferedImage</code>, compatible with the color model +     * of <code>image</code> +     */ +    public static BufferedImage createColorModelCompatibleImage(BufferedImage image) { +        ColorModel cm = image.getColorModel(); +        return new BufferedImage(cm, +                cm.createCompatibleWritableRaster(image.getWidth(), +                        image.getHeight()), +                cm.isAlphaPremultiplied(), null); +    } + +    /** +     * <p> +     * Returns a new compatible image with the same width, height and +     * transparency as the image specified as a parameter.</p> +     * +     * @see java.awt.Transparency +     * @see #createCompatibleImage(int, int) +     * @see #createCompatibleImage(java.awt.image.BufferedImage, int, int) +     * @see #createCompatibleTranslucentImage(int, int) +     * @see #loadCompatibleImage(java.net.URL) +     * @see #toCompatibleImage(java.awt.image.BufferedImage) +     * @param image the reference image from which the dimension and the +     * transparency of the new image are obtained +     * @return a new compatible <code>BufferedImage</code> with the same +     * dimension and transparency as <code>image</code> +     */ +    public static BufferedImage createCompatibleImage(BufferedImage image) { +        return createCompatibleImage(image, image.getWidth(), image.getHeight()); +    } + +    /** +     * <p> +     * Returns a new compatible image of the specified width and height, and the +     * same transparency setting as the image specified as a parameter.</p> +     * +     * @see java.awt.Transparency +     * @see #createCompatibleImage(java.awt.image.BufferedImage) +     * @see #createCompatibleImage(int, int) +     * @see #createCompatibleTranslucentImage(int, int) +     * @see #loadCompatibleImage(java.net.URL) +     * @see #toCompatibleImage(java.awt.image.BufferedImage) +     * @param width the width of the new image +     * @param height the height of the new image +     * @param image the reference image from which the transparency of the new +     * image is obtained +     * @return a new compatible <code>BufferedImage</code> with the same +     * transparency as <code>image</code> and the specified dimension +     */ +    public static BufferedImage createCompatibleImage(BufferedImage image, +            int width, int height) { +        return getGraphicsConfiguration().createCompatibleImage(width, height, +                image.getTransparency()); +    } + +    /** +     * <p> +     * Returns a new opaque compatible image of the specified width and +     * height.</p> +     * +     * @see #createCompatibleImage(java.awt.image.BufferedImage) +     * @see #createCompatibleImage(java.awt.image.BufferedImage, int, int) +     * @see #createCompatibleTranslucentImage(int, int) +     * @see #loadCompatibleImage(java.net.URL) +     * @see #toCompatibleImage(java.awt.image.BufferedImage) +     * @param width the width of the new image +     * @param height the height of the new image +     * @return a new opaque compatible <code>BufferedImage</code> of the +     * specified width and height +     */ +    public static BufferedImage createCompatibleImage(int width, int height) { +        return getGraphicsConfiguration().createCompatibleImage(width, height); +    } + +    /** +     * <p> +     * Returns a new translucent compatible image of the specified width and +     * height.</p> +     * +     * @see #createCompatibleImage(java.awt.image.BufferedImage) +     * @see #createCompatibleImage(java.awt.image.BufferedImage, int, int) +     * @see #createCompatibleImage(int, int) +     * @see #loadCompatibleImage(java.net.URL) +     * @see #toCompatibleImage(java.awt.image.BufferedImage) +     * @param width the width of the new image +     * @param height the height of the new image +     * @return a new translucent compatible <code>BufferedImage</code> of the +     * specified width and height +     */ +    public static BufferedImage createCompatibleTranslucentImage(int width, +            int height) { +        return getGraphicsConfiguration().createCompatibleImage(width, height, +                Transparency.TRANSLUCENT); +    } + +    /** +     * <p> +     * Returns a new compatible image from a URL. The image is loaded from the +     * specified location and then turned, if necessary into a compatible +     * image.</p> +     * +     * @see #createCompatibleImage(java.awt.image.BufferedImage) +     * @see #createCompatibleImage(java.awt.image.BufferedImage, int, int) +     * @see #createCompatibleImage(int, int) +     * @see #createCompatibleTranslucentImage(int, int) +     * @see #toCompatibleImage(java.awt.image.BufferedImage) +     * @param resource the URL of the picture to load as a compatible image +     * @return a new translucent compatible <code>BufferedImage</code> of the +     * specified width and height +     * @throws java.io.IOException if the image cannot be read or loaded +     */ +    public static BufferedImage loadCompatibleImage(URL resource) +            throws IOException { +        BufferedImage image = ImageIO.read(resource); +        return toCompatibleImage(image); +    } + +    /** +     * <p> +     * Return a new compatible image that contains a copy of the specified +     * image. This method ensures an image is compatible with the hardware, and +     * therefore optimized for fast blitting operations.</p> +     * +     * @see #createCompatibleImage(java.awt.image.BufferedImage) +     * @see #createCompatibleImage(java.awt.image.BufferedImage, int, int) +     * @see #createCompatibleImage(int, int) +     * @see #createCompatibleTranslucentImage(int, int) +     * @see #loadCompatibleImage(java.net.URL) +     * @param image the image to copy into a new compatible image +     * @return a new compatible copy, with the same width and height and +     * transparency and content, of <code>image</code> +     */ +    public static BufferedImage toCompatibleImage(BufferedImage image) { +        if (image.getColorModel().equals( +                getGraphicsConfiguration().getColorModel())) { +            return image; +        } + +        BufferedImage compatibleImage +                = getGraphicsConfiguration().createCompatibleImage( +                        image.getWidth(), image.getHeight(), +                        image.getTransparency()); +        Graphics g = compatibleImage.getGraphics(); +        g.drawImage(image, 0, 0, null); +        g.dispose(); + +        return compatibleImage; +    } + +    /** +     * <p> +     * Returns a thumbnail of a source image. <code>newSize</code> defines the +     * length of the longest dimension of the thumbnail. The other dimension is +     * then computed according to the dimensions ratio of the original +     * picture.</p> +     * <p> +     * This method favors speed over quality. When the new size is less than +     * half the longest dimension of the source image, +     * {@link #createThumbnail(BufferedImage, int)} or +     * {@link #createThumbnail(BufferedImage, int, int)} should be used instead +     * to ensure the quality of the result without sacrificing too much +     * performance.</p> +     * +     * @see #createThumbnailFast(java.awt.image.BufferedImage, int, int) +     * @see #createThumbnail(java.awt.image.BufferedImage, int) +     * @see #createThumbnail(java.awt.image.BufferedImage, int, int) +     * @param image the source image +     * @param newSize the length of the largest dimension of the thumbnail +     * @return a new compatible <code>BufferedImage</code> containing a +     * thumbnail of <code>image</code> +     * @throws IllegalArgumentException if <code>newSize</code> is larger than +     * the largest dimension of <code>image</code> or <= 0 +     */ +    public static BufferedImage createThumbnailFast(BufferedImage image, +            int newSize) { +        float ratio; +        int width = image.getWidth(); +        int height = image.getHeight(); + +        if (width > height) { +            if (newSize >= width) { +                throw new IllegalArgumentException("newSize must be lower than" +                        + " the image width"); +            } else if (newSize <= 0) { +                throw new IllegalArgumentException("newSize must" +                        + " be greater than 0"); +            } + +            ratio = (float) width / (float) height; +            width = newSize; +            height = (int) (newSize / ratio); +        } else { +            if (newSize >= height) { +                throw new IllegalArgumentException("newSize must be lower than" +                        + " the image height"); +            } else if (newSize <= 0) { +                throw new IllegalArgumentException("newSize must" +                        + " be greater than 0"); +            } + +            ratio = (float) height / (float) width; +            height = newSize; +            width = (int) (newSize / ratio); +        } + +        BufferedImage temp = createCompatibleImage(image, width, height); +        Graphics2D g2 = temp.createGraphics(); +        g2.setRenderingHint(RenderingHints.KEY_INTERPOLATION, +                RenderingHints.VALUE_INTERPOLATION_BILINEAR); +        g2.drawImage(image, 0, 0, temp.getWidth(), temp.getHeight(), null); +        g2.dispose(); + +        return temp; +    } + +    /** +     * <p> +     * Returns a thumbnail of a source image.</p> +     * <p> +     * This method favors speed over quality. When the new size is less than +     * half the longest dimension of the source image, +     * {@link #createThumbnail(BufferedImage, int)} or +     * {@link #createThumbnail(BufferedImage, int, int)} should be used instead +     * to ensure the quality of the result without sacrificing too much +     * performance.</p> +     * +     * @see #createThumbnailFast(java.awt.image.BufferedImage, int) +     * @see #createThumbnail(java.awt.image.BufferedImage, int) +     * @see #createThumbnail(java.awt.image.BufferedImage, int, int) +     * @param image the source image +     * @param newWidth the width of the thumbnail +     * @param newHeight the height of the thumbnail +     * @return a new compatible <code>BufferedImage</code> containing a +     * thumbnail of <code>image</code> +     * @throws IllegalArgumentException if <code>newWidth</code> is larger than +     * the width of <code>image</code> or if code>newHeight</code> is larger +     * than the height of <code>image</code> or if one of the dimensions is +     * <= 0 +     */ +    public static BufferedImage createThumbnailFast(BufferedImage image, +            int newWidth, int newHeight) { +        if (newWidth >= image.getWidth() +                || newHeight >= image.getHeight()) { +            throw new IllegalArgumentException("newWidth and newHeight cannot" +                    + " be greater than the image" +                    + " dimensions"); +        } else if (newWidth <= 0 || newHeight <= 0) { +            throw new IllegalArgumentException("newWidth and newHeight must" +                    + " be greater than 0"); +        } + +        BufferedImage temp = createCompatibleImage(image, newWidth, newHeight); +        Graphics2D g2 = temp.createGraphics(); +        g2.setRenderingHint(RenderingHints.KEY_INTERPOLATION, +                RenderingHints.VALUE_INTERPOLATION_BILINEAR); +        g2.drawImage(image, 0, 0, temp.getWidth(), temp.getHeight(), null); +        g2.dispose(); + +        return temp; +    } + +    /** +     * <p> +     * Returns a thumbnail of a source image. <code>newSize</code> defines the +     * length of the longest dimension of the thumbnail. The other dimension is +     * then computed according to the dimensions ratio of the original +     * picture.</p> +     * <p> +     * This method offers a good trade-off between speed and quality. The result +     * looks better than +     * {@link #createThumbnailFast(java.awt.image.BufferedImage, int)} when the +     * new size is less than half the longest dimension of the source image, yet +     * the rendering speed is almost similar.</p> +     * +     * @see #createThumbnailFast(java.awt.image.BufferedImage, int, int) +     * @see #createThumbnailFast(java.awt.image.BufferedImage, int) +     * @see #createThumbnail(java.awt.image.BufferedImage, int, int) +     * @param image the source image +     * @param newSize the length of the largest dimension of the thumbnail +     * @return a new compatible <code>BufferedImage</code> containing a +     * thumbnail of <code>image</code> +     * @throws IllegalArgumentException if <code>newSize</code> is larger than +     * the largest dimension of <code>image</code> or <= 0 +     */ +    public static BufferedImage createThumbnail(BufferedImage image, +            int newSize) { +        int width = image.getWidth(); +        int height = image.getHeight(); + +        boolean isWidthGreater = width > height; + +        if (isWidthGreater) { +            if (newSize >= width) { +                throw new IllegalArgumentException("newSize must be lower than" +                        + " the image width"); +            } +        } else if (newSize >= height) { +            throw new IllegalArgumentException("newSize must be lower than" +                    + " the image height"); +        } + +        if (newSize <= 0) { +            throw new IllegalArgumentException("newSize must" +                    + " be greater than 0"); +        } + +        float ratioWH = (float) width / (float) height; +        float ratioHW = (float) height / (float) width; + +        BufferedImage thumb = image; + +        do { +            if (isWidthGreater) { +                width /= 2; +                if (width < newSize) { +                    width = newSize; +                } +                height = (int) (width / ratioWH); +            } else { +                height /= 2; +                if (height < newSize) { +                    height = newSize; +                } +                width = (int) (height / ratioHW); +            } + +            BufferedImage temp = createCompatibleImage(image, width, height); +            Graphics2D g2 = temp.createGraphics(); +            g2.setRenderingHint(RenderingHints.KEY_INTERPOLATION, +                    RenderingHints.VALUE_INTERPOLATION_BILINEAR); +            g2.drawImage(thumb, 0, 0, temp.getWidth(), temp.getHeight(), null); +            g2.dispose(); + +            thumb = temp; +        } while (newSize != (isWidthGreater ? width : height)); + +        return thumb; +    } + +    /** +     * <p> +     * Returns a thumbnail of a source image.</p> +     * <p> +     * This method offers a good trade-off between speed and quality. The result +     * looks better than +     * {@link #createThumbnailFast(java.awt.image.BufferedImage, int)} when the +     * new size is less than half the longest dimension of the source image, yet +     * the rendering speed is almost similar.</p> +     * +     * @see #createThumbnailFast(java.awt.image.BufferedImage, int) +     * @see #createThumbnailFast(java.awt.image.BufferedImage, int, int) +     * @see #createThumbnail(java.awt.image.BufferedImage, int) +     * @param image the source image +     * @param newWidth the width of the thumbnail +     * @param newHeight the height of the thumbnail +     * @return a new compatible <code>BufferedImage</code> containing a +     * thumbnail of <code>image</code> +     * @throws IllegalArgumentException if <code>newWidth</code> is larger than +     * the width of <code>image</code> or if code>newHeight</code> is larger +     * than the height of +     * <code>image or if one the dimensions is not > 0</code> +     */ +    public static BufferedImage createThumbnail(BufferedImage image, +            int newWidth, int newHeight) { +        int width = image.getWidth(); +        int height = image.getHeight(); + +        if (newWidth >= width || newHeight >= height) { +            throw new IllegalArgumentException("newWidth and newHeight cannot" +                    + " be greater than the image" +                    + " dimensions"); +        } else if (newWidth <= 0 || newHeight <= 0) { +            throw new IllegalArgumentException("newWidth and newHeight must" +                    + " be greater than 0"); +        } + +        BufferedImage thumb = image; + +        do { +            if (width > newWidth) { +                width /= 2; +                if (width < newWidth) { +                    width = newWidth; +                } +            } + +            if (height > newHeight) { +                height /= 2; +                if (height < newHeight) { +                    height = newHeight; +                } +            } + +            BufferedImage temp = createCompatibleImage(image, width, height); +            Graphics2D g2 = temp.createGraphics(); +            g2.setRenderingHint(RenderingHints.KEY_INTERPOLATION, +                    RenderingHints.VALUE_INTERPOLATION_BILINEAR); +            g2.drawImage(thumb, 0, 0, temp.getWidth(), temp.getHeight(), null); +            g2.dispose(); + +            thumb = temp; +        } while (width != newWidth || height != newHeight); + +        return thumb; +    } + +    /** +     * <p> +     * Returns an array of pixels, stored as integers, from a +     * <code>BufferedImage</code>. The pixels are grabbed from a rectangular +     * area defined by a location and two dimensions. Calling this method on an +     * image of type different from <code>BufferedImage.TYPE_INT_ARGB</code> and +     * <code>BufferedImage.TYPE_INT_RGB</code> will unmanage the image.</p> +     * +     * @param img the source image +     * @param x the x location at which to start grabbing pixels +     * @param y the y location at which to start grabbing pixels +     * @param w the width of the rectangle of pixels to grab +     * @param h the height of the rectangle of pixels to grab +     * @param pixels a pre-allocated array of pixels of size w*h; can be null +     * @return <code>pixels</code> if non-null, a new array of integers +     * otherwise +     * @throws IllegalArgumentException is <code>pixels</code> is non-null and +     * of length < w*h +     */ +    public static int[] getPixels(BufferedImage img, +            int x, int y, int w, int h, int[] pixels) { +        if (w == 0 || h == 0) { +            return new int[0]; +        } + +        if (pixels == null) { +            pixels = new int[w * h]; +        } else if (pixels.length < w * h) { +            throw new IllegalArgumentException("pixels array must have a length" +                    + " >= w*h"); +        } + +        int imageType = img.getType(); +        if (imageType == BufferedImage.TYPE_INT_ARGB +                || imageType == BufferedImage.TYPE_INT_RGB) { +            Raster raster = img.getRaster(); +            return (int[]) raster.getDataElements(x, y, w, h, pixels); +        } + +        // Unmanages the image +        return img.getRGB(x, y, w, h, pixels, 0, w); +    } + +    /** +     * <p> +     * Writes a rectangular area of pixels in the destination +     * <code>BufferedImage</code>. Calling this method on an image of type +     * different from <code>BufferedImage.TYPE_INT_ARGB</code> and +     * <code>BufferedImage.TYPE_INT_RGB</code> will unmanage the image.</p> +     * +     * @param img the destination image +     * @param x the x location at which to start storing pixels +     * @param y the y location at which to start storing pixels +     * @param w the width of the rectangle of pixels to store +     * @param h the height of the rectangle of pixels to store +     * @param pixels an array of pixels, stored as integers +     * @throws IllegalArgumentException is <code>pixels</code> is non-null and +     * of length < w*h +     */ +    public static void setPixels(BufferedImage img, +            int x, int y, int w, int h, int[] pixels) { +        if (pixels == null || w == 0 || h == 0) { +            return; +        } else if (pixels.length < w * h) { +            throw new IllegalArgumentException("pixels array must have a length" +                    + " >= w*h"); +        } + +        int imageType = img.getType(); +        if (imageType == BufferedImage.TYPE_INT_ARGB +                || imageType == BufferedImage.TYPE_INT_RGB) { +            WritableRaster raster = img.getRaster(); +            raster.setDataElements(x, y, w, h, pixels); +        } else { +            // Unmanages the image +            img.setRGB(x, y, w, h, pixels, 0, w); +        } +    } +} diff --git a/dropShadow/Main.form b/dropShadow/Main.form new file mode 100644 index 0000000..f894d2a --- /dev/null +++ b/dropShadow/Main.form @@ -0,0 +1,96 @@ +<?xml version="1.0" encoding="UTF-8" ?> + +<Form version="1.3" maxVersion="1.9" type="org.netbeans.modules.form.forminfo.JFrameFormInfo"> +  <Properties> +    <Property name="defaultCloseOperation" type="int" value="3"/> +  </Properties> +  <SyntheticProperties> +    <SyntheticProperty name="formSizePolicy" type="int" value="1"/> +    <SyntheticProperty name="generateCenter" type="boolean" value="true"/> +  </SyntheticProperties> +  <AuxValues> +    <AuxValue name="FormSettings_autoResourcing" type="java.lang.Integer" value="0"/> +    <AuxValue name="FormSettings_autoSetComponentName" type="java.lang.Boolean" value="false"/> +    <AuxValue name="FormSettings_generateFQN" type="java.lang.Boolean" value="true"/> +    <AuxValue name="FormSettings_generateMnemonicsCode" type="java.lang.Boolean" value="false"/> +    <AuxValue name="FormSettings_i18nAutoMode" type="java.lang.Boolean" value="false"/> +    <AuxValue name="FormSettings_layoutCodeTarget" type="java.lang.Integer" value="1"/> +    <AuxValue name="FormSettings_listenerGenerationStyle" type="java.lang.Integer" value="0"/> +    <AuxValue name="FormSettings_variablesLocal" type="java.lang.Boolean" value="false"/> +    <AuxValue name="FormSettings_variablesModifier" type="java.lang.Integer" value="2"/> +  </AuxValues> + +  <Layout> +    <DimensionLayout dim="0"> +      <Group type="103" groupAlignment="0" attributes="0"> +          <Group type="102" alignment="0" attributes="0"> +              <Component id="jPanel1" max="32767" attributes="0"/> +              <EmptySpace min="-2" pref="0" max="-2" attributes="0"/> +          </Group> +      </Group> +    </DimensionLayout> +    <DimensionLayout dim="1"> +      <Group type="103" groupAlignment="0" attributes="0"> +          <Component id="jPanel1" alignment="0" max="32767" attributes="0"/> +      </Group> +    </DimensionLayout> +  </Layout> +  <SubComponents> +    <Container class="javax.swing.JPanel" name="jPanel1"> +      <Properties> +        <Property name="background" type="java.awt.Color" editor="org.netbeans.beaninfo.editors.ColorEditor"> +          <Color blue="ff" green="ff" red="ff" type="rgb"/> +        </Property> +      </Properties> + +      <Layout> +        <DimensionLayout dim="0"> +          <Group type="103" groupAlignment="0" attributes="0"> +              <Group type="102" alignment="0" attributes="0"> +                  <EmptySpace min="-2" pref="93" max="-2" attributes="0"/> +                  <Component id="panelShadow1" min="-2" max="-2" attributes="0"/> +                  <EmptySpace pref="166" max="32767" attributes="0"/> +              </Group> +          </Group> +        </DimensionLayout> +        <DimensionLayout dim="1"> +          <Group type="103" groupAlignment="0" attributes="0"> +              <Group type="102" alignment="0" attributes="0"> +                  <EmptySpace min="-2" pref="54" max="-2" attributes="0"/> +                  <Component id="panelShadow1" min="-2" max="-2" attributes="0"/> +                  <EmptySpace pref="81" max="32767" attributes="0"/> +              </Group> +          </Group> +        </DimensionLayout> +      </Layout> +      <SubComponents> +        <Container class="main.PanelShadow" name="panelShadow1"> +          <Properties> +            <Property name="background" type="java.awt.Color" editor="org.netbeans.beaninfo.editors.ColorEditor"> +              <Color blue="d2" green="4e" red="5c" type="rgb"/> +            </Property> +            <Property name="shadowColor" type="java.awt.Color" editor="org.netbeans.beaninfo.editors.ColorEditor"> +              <Color blue="4f" green="4f" red="4f" type="rgb"/> +            </Property> +            <Property name="shadowType" type="main.ShadowType" editor="org.netbeans.modules.form.editors.EnumEditor"> +              <Value id="BOT_RIGHT"/> +            </Property> +          </Properties> + +          <Layout> +            <DimensionLayout dim="0"> +              <Group type="103" groupAlignment="0" attributes="0"> +                  <EmptySpace min="0" pref="500" max="32767" attributes="0"/> +              </Group> +            </DimensionLayout> +            <DimensionLayout dim="1"> +              <Group type="103" groupAlignment="0" attributes="0"> +                  <EmptySpace min="0" pref="500" max="32767" attributes="0"/> +              </Group> +            </DimensionLayout> +          </Layout> +        </Container> +      </SubComponents> +    </Container> +  </SubComponents> +</Form> diff --git a/dropShadow/Main.java b/dropShadow/Main.java new file mode 100644 index 0000000..943656f --- /dev/null +++ b/dropShadow/Main.java @@ -0,0 +1,125 @@ +/* + * To change this license header, choose License Headers in Project Properties. + * To change this template file, choose Tools | Templates + * and open the template in the editor. + */ +package dropShadow; + +/** + * + * @author RAVEN + */ +public class Main extends javax.swing.JFrame { + +    /** +     * Creates new form Main +     */ +    public Main() { +        initComponents(); +    } + +    /** +     * This method is called from within the constructor to initialize the form. +     * WARNING: Do NOT modify this code. The content of this method is always +     * regenerated by the Form Editor. +     */ +    @SuppressWarnings("unchecked") +    // <editor-fold defaultstate="collapsed" desc="Generated Code">//GEN-BEGIN:initComponents +    private void initComponents() { + +        jPanel1 = new javax.swing.JPanel(); +        PanelShadow panelShadow1 = new PanelShadow(); + +        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE); + +        jPanel1.setBackground(new java.awt.Color(255, 255, 255)); + +        panelShadow1.setBackground(new java.awt.Color(92, 78, 210)); +        panelShadow1.setShadowColor(new java.awt.Color(79, 79, 79)); +        panelShadow1.setShadowType(ShadowType.BOT_RIGHT); + +        javax.swing.GroupLayout panelShadow1Layout = new javax.swing.GroupLayout(panelShadow1); +        panelShadow1.setLayout(panelShadow1Layout); +        panelShadow1Layout.setHorizontalGroup( +            panelShadow1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) +            .addGap(0, 500, Short.MAX_VALUE) +        ); +        panelShadow1Layout.setVerticalGroup( +            panelShadow1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) +            .addGap(0, 500, Short.MAX_VALUE) +        ); + +        javax.swing.GroupLayout jPanel1Layout = new javax.swing.GroupLayout(jPanel1); +        jPanel1.setLayout(jPanel1Layout); +        jPanel1Layout.setHorizontalGroup( +            jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) +            .addGroup(jPanel1Layout.createSequentialGroup() +                .addGap(93, 93, 93) +                .addComponent(panelShadow1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE) +                .addContainerGap(166, Short.MAX_VALUE)) +        ); +        jPanel1Layout.setVerticalGroup( +            jPanel1Layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) +            .addGroup(jPanel1Layout.createSequentialGroup() +                .addGap(54, 54, 54) +                .addComponent(panelShadow1, javax.swing.GroupLayout.PREFERRED_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.PREFERRED_SIZE) +                .addContainerGap(81, Short.MAX_VALUE)) +        ); + +        javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane()); +        getContentPane().setLayout(layout); +        layout.setHorizontalGroup( +            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) +            .addGroup(layout.createSequentialGroup() +                .addComponent(jPanel1, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE) +                .addGap(0, 0, 0)) +        ); +        layout.setVerticalGroup( +            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING) +            .addComponent(jPanel1, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE) +        ); + +        pack(); +        setLocationRelativeTo(null); +    }// </editor-fold>//GEN-END:initComponents + +    /** +     * @param args the command line arguments +     */ +    public static void main(String args[]) { +        /* Set the Nimbus look and feel */ +        //<editor-fold defaultstate="collapsed" desc=" Look and feel setting code (optional) "> +        /* If Nimbus (introduced in Java SE 6) is not available, stay with the default look and feel. +         * For details see http://download.oracle.com/javase/tutorial/uiswing/lookandfeel/plaf.html  +         */ +        try { +            for (javax.swing.UIManager.LookAndFeelInfo info : javax.swing.UIManager.getInstalledLookAndFeels()) { +                if ("Nimbus".equals(info.getName())) { +                    javax.swing.UIManager.setLookAndFeel(info.getClassName()); +                    break; +                } +            } +        } catch (ClassNotFoundException ex) { +            java.util.logging.Logger.getLogger(Main.class.getName()).log(java.util.logging.Level.SEVERE, null, ex); +        } catch (InstantiationException ex) { +            java.util.logging.Logger.getLogger(Main.class.getName()).log(java.util.logging.Level.SEVERE, null, ex); +        } catch (IllegalAccessException ex) { +            java.util.logging.Logger.getLogger(Main.class.getName()).log(java.util.logging.Level.SEVERE, null, ex); +        } catch (javax.swing.UnsupportedLookAndFeelException ex) { +            java.util.logging.Logger.getLogger(Main.class.getName()).log(java.util.logging.Level.SEVERE, null, ex); +        } +        //</editor-fold> + +        /* Create and display the form */ +        java.awt.EventQueue.invokeLater(new Runnable() { +            public void run() { +                new Main().setVisible(true); +            } +        }); +    } + +    // Variables declaration - do not modify//GEN-BEGIN:variables +    private javax.swing.JPanel jPanel1; +    private PanelShadow panelShadow1; +    // End of variables declaration//GEN-END:variables +} diff --git a/dropShadow/PanelShadow.java b/dropShadow/PanelShadow.java new file mode 100644 index 0000000..be1c2f3 --- /dev/null +++ b/dropShadow/PanelShadow.java @@ -0,0 +1,100 @@ +package dropShadow; + +import java.awt.Color; +import java.awt.Graphics; +import java.awt.Graphics2D; +import java.awt.RenderingHints; +import java.awt.image.BufferedImage; +import javax.swing.JPanel; + +public class PanelShadow extends JPanel { + +    public ShadowType getShadowType() { +        return shadowType; +    } + +    public void setShadowType(ShadowType shadowType) { +        this.shadowType = shadowType; +    } + +    public int getShadowSize() { +        return shadowSize; +    } + +    public void setShadowSize(int shadowSize) { +        this.shadowSize = shadowSize; +    } + +    public float getShadowOpacity() { +        return shadowOpacity; +    } + +    public void setShadowOpacity(float shadowOpacity) { +        this.shadowOpacity = shadowOpacity; +    } + +    public Color getShadowColor() { +        return shadowColor; +    } + +    public void setShadowColor(Color shadowColor) { +        this.shadowColor = shadowColor; +    } + +    private ShadowType shadowType = ShadowType.CENTER; +    private int shadowSize = 6; +    private float shadowOpacity = 0.5f; +    private Color shadowColor = Color.BLACK; + +    public PanelShadow() { +        setOpaque(false); +    } + +    @Override +    protected void paintComponent(Graphics grphcs) { +        createShadow(grphcs); +        super.paintComponent(grphcs); +    } + +    private void createShadow(Graphics grphcs) { +        Graphics2D g2 = (Graphics2D) grphcs; +        int size = shadowSize * 2; +        int x = 0; +        int y = 0; +        int width = getWidth() - size; +        int height = getHeight() - size; +        if (shadowType == ShadowType.TOP) { +            x = shadowSize; +            y = size; +        } else if (shadowType == ShadowType.BOT) { +            x = shadowSize; +            y = 0; +        } else if (shadowType == ShadowType.TOP_LEFT) { +            x = size; +            y = size; +        } else if (shadowType == ShadowType.TOP_RIGHT) { +            x = 0; +            y = size; +        } else if (shadowType == ShadowType.BOT_LEFT) { +            x = size; +            y = 0; +        } else if (shadowType == ShadowType.BOT_RIGHT) { +            x = 0; +            y = 0; +        } else { +            //  Center +            x = shadowSize; +            y = shadowSize; +        } +        BufferedImage img = new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB); +        Graphics2D g = img.createGraphics(); +        g.setColor(getBackground()); +        g.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON); +        //  g.fillRoundRect(0, 0, width, height, 10, 10); +        g.fillOval(0, 0, width, width); +        //  Create Shadow +        ShadowRenderer render = new ShadowRenderer(shadowSize, shadowOpacity, shadowColor); +        g2.drawImage(render.createShadow(img), 0, 0, null); +        g2.drawImage(img, x, y, null); +    } +} diff --git a/dropShadow/ShadowRenderer.java b/dropShadow/ShadowRenderer.java new file mode 100644 index 0000000..d80d2c8 --- /dev/null +++ b/dropShadow/ShadowRenderer.java @@ -0,0 +1,185 @@ +package dropShadow; + +import java.awt.Color; +import java.awt.image.BufferedImage; + +public class ShadowRenderer { + +    // size of the shadow in pixels (defines the fuzziness) +    private int size = 5; + +    // opacity of the shadow +    private float opacity = 0.5f; + +    // color of the shadow +    private Color color = Color.BLACK; + +    public ShadowRenderer() { +        this(5, 0.5f, Color.BLACK); +    } + +    public ShadowRenderer(final int size, final float opacity, final Color color) { +        this.size = size; +        this.opacity = opacity; +        this.color = color; +    } + +    public Color getColor() { +        return color; +    } + +    public float getOpacity() { +        return opacity; +    } + +    public int getSize() { +        return size; +    } + +    public BufferedImage createShadow(final BufferedImage image) { +        // Written by Sesbastien Petrucci +        int shadowSize = size * 2; + +        int srcWidth = image.getWidth(); +        int srcHeight = image.getHeight(); + +        int dstWidth = srcWidth + shadowSize; +        int dstHeight = srcHeight + shadowSize; + +        int left = size; +        int right = shadowSize - left; + +        int yStop = dstHeight - right; + +        int shadowRgb = color.getRGB() & 0x00FFFFFF; +        int[] aHistory = new int[shadowSize]; +        int historyIdx; + +        int aSum; + +        BufferedImage dst = new BufferedImage(dstWidth, dstHeight, +                BufferedImage.TYPE_INT_ARGB); + +        int[] dstBuffer = new int[dstWidth * dstHeight]; +        int[] srcBuffer = new int[srcWidth * srcHeight]; + +        GraphicsUtilities.getPixels(image, 0, 0, srcWidth, srcHeight, srcBuffer); + +        int lastPixelOffset = right * dstWidth; +        float hSumDivider = 1.0f / shadowSize; +        float vSumDivider = opacity / shadowSize; + +        int[] hSumLookup = new int[256 * shadowSize]; +        for (int i = 0; i < hSumLookup.length; i++) { +            hSumLookup[i] = (int) (i * hSumDivider); +        } + +        int[] vSumLookup = new int[256 * shadowSize]; +        for (int i = 0; i < vSumLookup.length; i++) { +            vSumLookup[i] = (int) (i * vSumDivider); +        } + +        int srcOffset; + +        // horizontal pass : extract the alpha mask from the source picture and +        // blur it into the destination picture +        for (int srcY = 0, dstOffset = left * dstWidth; srcY < srcHeight; srcY++) { + +            // first pixels are empty +            for (historyIdx = 0; historyIdx < shadowSize;) { +                aHistory[historyIdx++] = 0; +            } + +            aSum = 0; +            historyIdx = 0; +            srcOffset = srcY * srcWidth; + +            // compute the blur average with pixels from the source image +            for (int srcX = 0; srcX < srcWidth; srcX++) { + +                int a = hSumLookup[aSum]; +                dstBuffer[dstOffset++] = a << 24;   // store the alpha value only +                // the shadow color will be added in the next pass + +                aSum -= aHistory[historyIdx]; // substract the oldest pixel from the sum + +                // extract the new pixel ... +                a = srcBuffer[srcOffset + srcX] >>> 24; +                aHistory[historyIdx] = a;   // ... and store its value into history +                aSum += a;                  // ... and add its value to the sum + +                if (++historyIdx >= shadowSize) { +                    historyIdx -= shadowSize; +                } +            } + +            // blur the end of the row - no new pixels to grab +            for (int i = 0; i < shadowSize; i++) { + +                int a = hSumLookup[aSum]; +                dstBuffer[dstOffset++] = a << 24; + +                // substract the oldest pixel from the sum ... and nothing new to add ! +                aSum -= aHistory[historyIdx]; + +                if (++historyIdx >= shadowSize) { +                    historyIdx -= shadowSize; +                } +            } +        } + +        // vertical pass +        for (int x = 0, bufferOffset = 0; x < dstWidth; x++, bufferOffset = x) { + +            aSum = 0; + +            // first pixels are empty +            for (historyIdx = 0; historyIdx < left;) { +                aHistory[historyIdx++] = 0; +            } + +            // and then they come from the dstBuffer +            for (int y = 0; y < right; y++, bufferOffset += dstWidth) { +                int a = dstBuffer[bufferOffset] >>> 24;         // extract alpha +                aHistory[historyIdx++] = a;                     // store into history +                aSum += a;                                      // and add to sum +            } + +            bufferOffset = x; +            historyIdx = 0; + +            // compute the blur avera`ge with pixels from the previous pass +            for (int y = 0; y < yStop; y++, bufferOffset += dstWidth) { + +                int a = vSumLookup[aSum]; +                dstBuffer[bufferOffset] = a << 24 | shadowRgb;  // store alpha value + shadow color + +                aSum -= aHistory[historyIdx];   // substract the oldest pixel from the sum + +                a = dstBuffer[bufferOffset + lastPixelOffset] >>> 24;   // extract the new pixel ... +                aHistory[historyIdx] = a;                               // ... and store its value into history +                aSum += a;                                              // ... and add its value to the sum + +                if (++historyIdx >= shadowSize) { +                    historyIdx -= shadowSize; +                } +            } + +            // blur the end of the column - no pixels to grab anymore +            for (int y = yStop; y < dstHeight; y++, bufferOffset += dstWidth) { + +                int a = vSumLookup[aSum]; +                dstBuffer[bufferOffset] = a << 24 | shadowRgb; + +                aSum -= aHistory[historyIdx];   // substract the oldest pixel from the sum + +                if (++historyIdx >= shadowSize) { +                    historyIdx -= shadowSize; +                } +            } +        } + +        GraphicsUtilities.setPixels(dst, 0, 0, dstWidth, dstHeight, dstBuffer); +        return dst; +    } +} diff --git a/dropShadow/ShadowType.java b/dropShadow/ShadowType.java new file mode 100644 index 0000000..8cdcb76 --- /dev/null +++ b/dropShadow/ShadowType.java @@ -0,0 +1,5 @@ +package dropShadow; + +public enum ShadowType { +    CENTER, TOP_RIGHT, TOP_LEFT, BOT_RIGHT, BOT_LEFT, BOT, TOP +} | 
