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/*
* Copyright 2002-2017 Drew Noakes
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* More information about this project is available at:
*
* https://drewnoakes.com/code/exif/
* https://github.com/drewnoakes/metadata-extractor
*/
package com.drew.metadata.ico;
import com.drew.lang.annotations.NotNull;
import com.drew.lang.annotations.Nullable;
import com.drew.metadata.TagDescriptor;
import static com.drew.metadata.ico.IcoDirectory.*;
/**
* @author Drew Noakes https://drewnoakes.com
*/
@SuppressWarnings("WeakerAccess")
public class IcoDescriptor extends TagDescriptor<IcoDirectory>
{
public IcoDescriptor(@NotNull IcoDirectory directory)
{
super(directory);
}
@Override
public String getDescription(int tagType)
{
switch (tagType) {
case TAG_IMAGE_TYPE:
return getImageTypeDescription();
case TAG_IMAGE_WIDTH:
return getImageWidthDescription();
case TAG_IMAGE_HEIGHT:
return getImageHeightDescription();
case TAG_COLOUR_PALETTE_SIZE:
return getColourPaletteSizeDescription();
default:
return super.getDescription(tagType);
}
}
@Nullable
public String getImageTypeDescription()
{
return getIndexedDescription(TAG_IMAGE_TYPE, 1, "Icon", "Cursor");
}
@Nullable
public String getImageWidthDescription()
{
Integer width = _directory.getInteger(TAG_IMAGE_WIDTH);
if (width == null)
return null;
return (width == 0 ? 256 : width) + " pixels";
}
@Nullable
public String getImageHeightDescription()
{
Integer width = _directory.getInteger(TAG_IMAGE_HEIGHT);
if (width == null)
return null;
return (width == 0 ? 256 : width) + " pixels";
}
@Nullable
public String getColourPaletteSizeDescription()
{
Integer size = _directory.getInteger(TAG_COLOUR_PALETTE_SIZE);
if (size == null)
return null;
return size == 0 ? "No palette" : size + " colour" + (size == 1 ? "" : "s");
}
}
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