Module org.dhatim.fastexcel
Package org.dhatim.fastexcel

Enum ImageType

    • Method Detail

      • values

        public static ImageType[] values()
        Returns an array containing the constants of this enum type, in the order they are declared. This method may be used to iterate over the constants as follows: 
        for (ImageType c : ImageType.values())
    System.out.println(c);
        Returns:
        an array containing the constants of this enum type, in the order they are declared

      • valueOf

        public static ImageType valueOf​(String name)
        Returns the enum constant of this type with the specified name. The string must match exactly an identifier used to declare an enum constant in this type. (Extraneous whitespace characters are not permitted.)
        Parameters:
        name - the name of the enum constant to be returned.
        Returns:
        the enum constant with the specified name
        Throws:
        IllegalArgumentException - if this enum type has no constant with the specified name
        NullPointerException - if the argument is null

      • isVector

        public boolean isVector()
        Check if this is a vector image format (e.g., SVG).
        Returns:
        true if vector format, false if raster

      • getExtension

        public String getExtension()
        Get the file extension for this image type.
        Returns:
        File extension without the dot (e.g., "png", "jpeg")

      • getContentType

        public String getContentType()
        Get the MIME content type for this image type.
        Returns:
        MIME content type (e.g., "image/png")

      • fromBytes

        public static ImageType fromBytes​(byte[] data)
        Detect image type from byte array header.
        Parameters:
        data - Image bytes
        Returns:
        Detected ImageType
        Throws:
        IllegalArgumentException - if the image format is not supported or data is invalid