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Diffstat (limited to 'depends/launcher/org/multimc/IconLoader.java')
| -rw-r--r-- | depends/launcher/org/multimc/IconLoader.java | 132 |
1 files changed, 0 insertions, 132 deletions
diff --git a/depends/launcher/org/multimc/IconLoader.java b/depends/launcher/org/multimc/IconLoader.java deleted file mode 100644 index f1638f3a..00000000 --- a/depends/launcher/org/multimc/IconLoader.java +++ /dev/null @@ -1,132 +0,0 @@ -package org.multimc; - -import javax.imageio.ImageIO; -import java.awt.*; -import java.awt.image.BufferedImage; -import java.io.File; -import java.io.IOException; -import java.nio.ByteBuffer; - -/***************************************************************************** - * A convenience class for loading icons from images. - * - * Icons loaded from this class are formatted to fit within the required - * dimension (16x16, 32x32, or 128x128). If the source image is larger than the - * target dimension, it is shrunk down to the minimum size that will fit. If it - * is smaller, then it is only scaled up if the new scale can be a per-pixel - * linear scale (i.e., x2, x3, x4, etc). In both cases, the image's width/height - * ratio is kept the same as the source image. - * - * @author Chris Molini - *****************************************************************************/ -public class IconLoader -{ - /************************************************************************* - * Loads an icon in ByteBuffer form. - * - * @param filepath - * The location of the Image to use as an icon. - * - * @return An array of ByteBuffers containing the pixel data for the icon in - * various sizes (as recommended by the OS). - *************************************************************************/ - public static ByteBuffer[] load(String filepath) - { - BufferedImage image; - try { - image = ImageIO.read ( new File( filepath ) ); - } catch ( IOException e ) { - e.printStackTrace(); - return new ByteBuffer[0]; - } - ByteBuffer[] buffers; - buffers = new ByteBuffer[1]; - buffers[0] = loadInstance(image, 128); - return buffers; - } - - /************************************************************************* - * Copies the supplied image into a square icon at the indicated size. - * - * @param image - * The image to place onto the icon. - * @param dimension - * The desired size of the icon. - * - * @return A ByteBuffer of pixel data at the indicated size. - *************************************************************************/ - private static ByteBuffer loadInstance(BufferedImage image, int dimension) - { - BufferedImage scaledIcon = new BufferedImage(dimension, dimension, - BufferedImage.TYPE_INT_ARGB_PRE); - Graphics2D g = scaledIcon.createGraphics(); - double ratio = getIconRatio(image, scaledIcon); - double width = image.getWidth() * ratio; - double height = image.getHeight() * ratio; - g.drawImage(image, (int) ((scaledIcon.getWidth() - width) / 2), - (int) ((scaledIcon.getHeight() - height) / 2), (int) (width), - (int) (height), null); - g.dispose(); - - return convertToByteBuffer(scaledIcon); - } - - /************************************************************************* - * Gets the width/height ratio of the icon. This is meant to simplify - * scaling the icon to a new dimension. - * - * @param src - * The base image that will be placed onto the icon. - * @param icon - * The icon that will have the image placed on it. - * - * @return The amount to scale the source image to fit it onto the icon - * appropriately. - *************************************************************************/ - private static double getIconRatio(BufferedImage src, BufferedImage icon) - { - double ratio = 1; - if (src.getWidth() > icon.getWidth()) - ratio = (double) (icon.getWidth()) / src.getWidth(); - else - ratio = (int) (icon.getWidth() / src.getWidth()); - if (src.getHeight() > icon.getHeight()) - { - double r2 = (double) (icon.getHeight()) / src.getHeight(); - if (r2 < ratio) - ratio = r2; - } - else - { - double r2 = (int) (icon.getHeight() / src.getHeight()); - if (r2 < ratio) - ratio = r2; - } - return ratio; - } - - /************************************************************************* - * Converts a BufferedImage into a ByteBuffer of pixel data. - * - * @param image - * The image to convert. - * - * @return A ByteBuffer that contains the pixel data of the supplied image. - *************************************************************************/ - public static ByteBuffer convertToByteBuffer(BufferedImage image) - { - byte[] buffer = new byte[image.getWidth() * image.getHeight() * 4]; - int counter = 0; - for (int i = 0; i < image.getHeight(); i++) - for (int j = 0; j < image.getWidth(); j++) - { - int colorSpace = image.getRGB(j, i); - buffer[counter + 0] = (byte) ((colorSpace << 8) >> 24); - buffer[counter + 1] = (byte) ((colorSpace << 16) >> 24); - buffer[counter + 2] = (byte) ((colorSpace << 24) >> 24); - buffer[counter + 3] = (byte) (colorSpace >> 24); - counter += 4; - } - return ByteBuffer.wrap(buffer); - } -}
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