Class Imaging

Method Details

• addShadow

  public static java.awt.image.BufferedImage addShadow​(java.awt.image.BufferedImage image, int xOffset, int yOffset)

  Adds a shadow effect by executing the following steps: 1. Transform visible pixels to a semi-transparent black 2. Flip the image vertically 3. Scale it down 4. Render original image and shadow on a buffered image

  TODO: Add support for different shadow types. Add an ellipse shadow, etc..

  Parameters:

  image - the image

  xOffset - the x offset

  yOffset - the y offset

  Returns:

  the buffered image

• applyAlphaChannel

  public static java.awt.image.BufferedImage applyAlphaChannel​(java.awt.image.BufferedImage img, java.awt.Color color)

  All pixels that have the specified color are rendered transparent.

  Parameters:

  img - the img

  color - the color

  Returns:

  the image

• borderAlpha

  public static java.awt.image.BufferedImage borderAlpha​(java.awt.image.BufferedImage image, java.awt.Color strokeColor, boolean borderOnly)

• isEmpty

  public static boolean isEmpty​(java.awt.image.BufferedImage image)

• areEqual

  public static boolean areEqual​(java.awt.image.BufferedImage image1, java.awt.image.BufferedImage image2)

• crop

  public static java.awt.image.BufferedImage crop​(java.awt.image.BufferedImage image, int cropAlignment, int cropVerticlaAlignment, int width, int height)

  Crops a sub image from the specified image.

  Parameters:

  image - The image to crop the sub-image from.

  cropAlignment - use the following consts:
  

  • CROP_ALIGN_CENTER
  • CROP_ALIGN_LEFT
  • CROP_ALIGN_RIGHT

  cropVerticlaAlignment - use the following consts:
  

  • CROP_VALIGN_CENTER
  • CROP_VALIGN_TOP
  • CROP_VALIGN_TOPCENTER
  • CROP_VALIGN_BOTTOM

  width - The width to crop.

  height - The height to crop.

  Returns:

  The cropped image or the original image if it is smaller than the specified dimensions.

• flashVisiblePixels

  public static java.awt.image.BufferedImage flashVisiblePixels​(java.awt.Image image, java.awt.Color flashColor)

  All pixels that are not transparent are replaced by a pixel of the specified flashColor.

  Parameters:

  image - the image

  flashColor - the flash color

  Returns:

  the buffered image

• flipSpritesHorizontally

  public static java.awt.image.BufferedImage flipSpritesHorizontally​(Spritesheet sprite)

• flipSpritesVertically

  public static java.awt.image.BufferedImage flipSpritesVertically​(Spritesheet sprite)

• copy

  public static java.awt.image.BufferedImage copy​(java.awt.image.BufferedImage image)

  Creates a new BufferedImage instance from the specified image.

  Parameters:

  image - The image to be copied.

  Returns:

  A copy of the specified image.

• getCompatibleImage

  public static java.awt.image.BufferedImage getCompatibleImage​(int width, int height)

• getSubImages

  public static java.awt.image.BufferedImage[][] getSubImages​(java.awt.image.BufferedImage image, int rows, int columns)

  Gets a two dimensional grid that contains parts of the specified image. Splits up the specified image into a grid with the defined number of rows and columns.

  Parameters:

  image - The base image that will be split up.

  rows - The number of rows.

  columns - The number or columns.

  Returns:

  A two dimensional array with all the sub-images.

• horizontalFlip

  public static java.awt.image.BufferedImage horizontalFlip​(java.awt.image.BufferedImage img)

  Flips the specified image horizontally.

  Parameters:

  img - The image to be flipped.

  Returns:

  The flipped image.

• verticalFlip

  public static java.awt.image.BufferedImage verticalFlip​(java.awt.image.BufferedImage img)

  Flips the specified image vertically.

  Parameters:

  img - The image to be flipped.

  Returns:

  The flipped image.

• replaceColors

  public static java.awt.image.BufferedImage replaceColors​(java.awt.image.BufferedImage bufferedImage, java.util.Map<java.awt.Color,​java.awt.Color> colorMappings)

  Replace colors in an image according to a Map containing source colors and target colors, then return the result.

  Parameters:

  bufferedImage - the original image

  colorMappings - a Map with source colors as keys and target colors as values

  Returns:

  a new version of the original image, where the source colors are replaced with the target colors.

• rotate

  public static java.awt.image.BufferedImage rotate​(java.awt.image.BufferedImage bufferedImage, Rotation rotation)

• rotate

  public static java.awt.image.BufferedImage rotate​(java.awt.image.BufferedImage bufferedImage, double radians)

• scale

  public static java.awt.image.BufferedImage scale​(java.awt.image.BufferedImage image, int max)

• scale

  public static java.awt.image.BufferedImage scale​(java.awt.image.BufferedImage image, double factor)

• scale

  public static java.awt.image.BufferedImage scale​(java.awt.image.BufferedImage image, double factor, boolean keepRatio)

• scale

  public static java.awt.image.BufferedImage scale​(java.awt.image.BufferedImage image, int width, int height)

  The specified image is scaled to a new dimension with the specified width and height. This method doesn't use anti aliasing for this process to keep the indy look.

  Parameters:

  image - the image

  width - the width

  height - the height

  Returns:

  the buffered image

• scale

  public static java.awt.image.BufferedImage scale​(java.awt.image.BufferedImage image, int width, int height, boolean keepRatio)

• scale

  public static java.awt.image.BufferedImage scale​(java.awt.image.BufferedImage image, int width, int height, boolean keepRatio, boolean fill)

• setOpacity

  public static java.awt.image.BufferedImage setOpacity​(java.awt.Image img, float opacity)

• toBufferedImage

  public static java.awt.image.BufferedImage toBufferedImage​(java.awt.Image img)

• toCompatibleImage

  public static java.awt.image.BufferedImage toCompatibleImage​(java.awt.image.BufferedImage image)