Package com.iizigo.image

Class ImageHelper

java.lang.Object
com.iizigo.image.ImageHelper
public class ImageHelper extends Object
Class to create a tooltip for images in the Assets directory.
Author:
Christopher Mindus

  • Constructor Details

    • ImageHelper

      public ImageHelper()

  • Method Details

    • isImageExtension

      public static boolean isImageExtension(String ext, boolean includeSVG)
      Checks if it's an image file, i.e. that the file extension is "gif", "png", "jpg", or "jpeg".
      Parameters:
      ext - The file extension without the "dot", can be null for none.
      includeSVG - Include "svg" as potential file extensions.
      Returns:
      If it's potentially an image or not.

    • isImageExtension

      public static boolean isImageExtension(IResource resource, boolean includeSVG)
      Checks if it's an image resource, i.e. that the file extension is "gif", "png", "jpg" or "jpeg".
      Parameters:
      resource - The resource, or null for none.
      includeSVG - Include "svg" as potential file extensions.
      Returns:
      If it's potentially an image or not.

    • isImageExtension

      public static boolean isImageExtension(FilePropCnr fpc, boolean includeSVG)
      Checks if it's an image resource, i.e. it's a file in Assets and that the file extension is "gif", "png", "jpg" or "jpeg".
      Parameters:
      fpc - The file property.
      includeSVG - Include "svg" as potential file extensions.
      Returns:
      If it's potentially an image or not.

    • loadImage

      public static Image loadImage(IFile file, StringBuilder error)
      Loads an image from a file.
      Parameters:
      file - The file.
      error - Buffer where possible error message is stored when image can't be loaded, null for none.
      Returns:
      The image or null if it couldn't be loaded.

    • createImageTooltip

      public static Composite createImageTooltip(Composite parent, IFile file, Image typeImage, String type, String id)
      Creates a composite for the specified file name.
      Parameters:
      parent - The parent composite.
      file - The file.
      Returns:
      The composite to use for tooltips, null if not possible. The composite uses a GridLayout with two columns in case additional information should be added, such as property errors or other properties.

    • createImageTooltip

      public static Composite createImageTooltip(PropCnr prop, Composite parent, AssetReference ref, Image typeImage, String type, String id)
      Creates a composite for the specified file name.
      Parameters:
      parent - The parent composite.
      Returns:
      The composite to use for tooltips, null if not possible. The composite uses a GridLayout with two columns in case additional information should be added, such as property errors or other properties.

    • createImageTooltip

      public static Composite createImageTooltip(PropCnr prop, Composite parent, AssetReference ref, Image typeImage, String type, String id, Rectangle rect)
      Creates a composite for the specified file name.
      Parameters:
      parent - The parent composite.
      Returns:
      The composite to use for tooltips, null if not possible. The composite uses a GridLayout with two columns in case additional information should be added, such as property errors or other properties.

    • createImageTooltipTopPart

      public static Composite createImageTooltipTopPart(Composite parent, Image typeImage, String type, String id)
      Creates the top part of the image composite for tooltips.

    • addImageTooltipImagePart

      public static SingleImageControl addImageTooltipImagePart(Composite composite, AssetReference ref, IFile file, Rectangle rect)
      Creates the default image part for the tooltip, added to the top composite.

    • addImageTooltipBottomPart

      public static void addImageTooltipBottomPart(PropCnr prop, Composite composite, AssetReference ref, IFile file, String id, Rectangle rect, SingleImageControl ic)
      Adds the bottom part to the tooltip composite.

    • addImageTooltipPreviews

      public static void addImageTooltipPreviews(Composite composite, ArrayList<AssetReference> refs, ArrayList<Position> offsets, int cx, int cy, SingleImageControl ic)
      Creates a preview of the part images with a separator line below. If offsets is null, offsets are not used.

    • getSizeString

      public static String getSizeString(IFile file)
      Helper to get the size of a file.

    • verify

      public static boolean verify(PropCnr pc, PropVerification verification)
      Verifies an image against a size.
      Parameters:
      pc - Property container to verify that also must implement ILastVerified
      verification - Verification instance.

    • flagVerification

      public static void flagVerification(PropCnr pc)
      Flags changes when asset changed or asset file reference input changed.

    • getTypeValue

      public static int getTypeValue(String s)
      Gets the mask value for types defined. Several values can be combined with '+'.

    • getTypeString

      public static String getTypeString(PropCnr stateCnr)
      Gets the type string.

    • getSize

      public static String getSize(LastVerified last)
      Gets the size string.