*/
using System;
-using System.Collections;
-using System.Collections.Generic;
using System.Diagnostics;
using System.Runtime.InteropServices;
using System.Threading.Tasks;
internal async Task<MediaPacket> RunAsync(TransformHandle handle, MediaPacket source)
{
+ Debug.Assert(source.Format is VideoMediaFormat);
+ ValidateFormat(source.Format as VideoMediaFormat);
+
var tcs = new TaskCompletionSource<MediaPacket>();
- TransformCompletedCallback cb = (nativehandle, errorCode, _) =>
+ using (var cbKeeper = ObjectKeeper.Get(GetCallback(tcs, source)))
+ {
+ var result = Run(handle, source.GetHandle(), cbKeeper.Target);
+
+ if (result == ImageUtilError.NotSupportedFormat)
+ {
+ throw new NotSupportedException(
+ GenerateNotSupportedErrorMessage(source.Format as VideoMediaFormat));
+ }
+ result.ThrowIfFailed("Failed to transform given packet with " + GetType());
+
+ return await tcs.Task;
+ }
+ }
+
+ private TransformCompletedCallback GetCallback(TaskCompletionSource<MediaPacket> tcs,
+ MediaPacket source)
+ {
+ return (nativehandle, errorCode, _) =>
{
if (errorCode == ImageUtilError.None)
{
tcs.TrySetException(e);
}
}
+ else if (errorCode == ImageUtilError.NotSupportedFormat)
+ {
+ tcs.TrySetException(new NotSupportedException(
+ GenerateNotSupportedErrorMessage(source.Format as VideoMediaFormat)));
+ }
else
{
tcs.TrySetException(errorCode.ToException("Image transformation failed"));
}
};
-
- using (var cbKeeper = ObjectKeeper.Get(cb))
- {
- Run(handle, source.GetHandle(), cb).ThrowIfFailed("Failed to transform given packet with " + GetType());
-
- return await tcs.Task;
- }
}
internal static TransformHandle CreateHandle()
return handle;
}
- internal abstract void Configure(TransformHandle handle);
-
- internal virtual async Task<MediaPacket> ApplyAsync(MediaPacket source)
- {
- using (TransformHandle handle = CreateHandle())
- {
- Configure(handle);
-
- return await RunAsync(handle, source);
- }
- }
- }
-
- /// <summary>
- /// Represents a collection of <see cref="ImageTransform"/> objects that can be individually accessed by index.
- /// </summary>
- /// <since_tizen> 4 </since_tizen>
- public class ImageTransformCollection : IEnumerable<ImageTransform>, IList<ImageTransform>
- {
- private List<ImageTransform> _list = new List<ImageTransform>();
-
- /// <summary>
- /// Initializes a new instance of the ImageTransformCollection class.
- /// </summary>
- /// <since_tizen> 4 </since_tizen>
- public ImageTransformCollection()
- {
- }
-
- /// <summary>
- /// Gets or sets the <see cref="ImageTransform"/> at the specified index.
- /// </summary>
- /// <param name="index">The zero-based index of the <see cref="ImageTransform"/> to get or set.</param>
- /// <value>The <see cref="ImageTransform"/> at the specified index.</value>
- /// <exception cref="ArgumentOutOfRangeException">
- /// index is less than 0.<br/>
- /// -or-<br/>
- /// index is equal to or greater than <see cref="Count"/>.
- /// </exception>
- /// <since_tizen> 4 </since_tizen>
- public ImageTransform this[int index]
- {
- get { return _list[index]; }
- set { _list[index] = value; }
- }
-
- /// <summary>
- /// Gets the number of items contained in the TransformCollection.
- /// </summary>
- /// <since_tizen> 4 </since_tizen>
- public int Count => _list.Count;
-
- bool ICollection<ImageTransform>.IsReadOnly => false;
-
- /// <summary>
- /// Adds a <see cref="ImageTransform"/> to the end of the collection.
- /// </summary>
- /// <param name="item">The <see cref="ImageTransform"/> to add.</param>
- /// <remarks>
- /// <see cref="ImageTransformCollection"/> accepts null as a valid value for reference types and allows duplicate elements.
- /// </remarks>
- /// <since_tizen> 4 </since_tizen>
- public void Add(ImageTransform item)
- {
- if (item == null)
- {
- throw new ArgumentNullException(nameof(item));
- }
- _list.Add(item);
- }
-
- /// <summary>
- /// Removes all items.
- /// </summary>
- /// <since_tizen> 4 </since_tizen>
- public void Clear() => _list.Clear();
-
- /// <summary>
- /// Determines whether the <see cref="ImageTransformCollection"/> contains the specified item.
- /// </summary>
- /// <param name="item">The <see cref="ImageTransform"/> to locate in the collection.</param>
- /// <returns>true if the <see cref="ImageTransform"/> is found in the collection; otherwise, false.</returns>
- /// <since_tizen> 4 </since_tizen>
- public bool Contains(ImageTransform item) => _list.Contains(item);
-
- /// <summary>
- /// Copies the items of the collection to an array, starting at the specified array index.
- /// </summary>
- /// <param name="array">The one-dimensional array that is the destination of the items copied from the collection.</param>
- /// <param name="arrayIndex">The zero-based index in array at which copying begins.</param>
- /// <exception cref="ArgumentNullException"><paramref name="array"/> is null.</exception>
- /// <exception cref="ArgumentOutOfRangeException"><paramref name="arrayIndex"/> is less than 0.</exception>
- /// <exception cref="ArgumentException">
- /// The number of elements in the source collection is greater than the available space from arrayIndex to the end of the destination array.
- /// </exception>
- /// <since_tizen> 4 </since_tizen>
- public void CopyTo(ImageTransform[] array, int arrayIndex) => _list.CopyTo(array, arrayIndex);
-
- /// <summary>
- /// Determines the index of the specified item in the collection.
- /// </summary>
- /// <param name="item">The <see cref="ImageTransform"/> to locate in the collection.</param>
- /// <returns>The index of value if found in the <see cref="ImageTransformCollection"/>; otherwise, -1.</returns>
- /// <since_tizen> 4 </since_tizen>
- public int IndexOf(ImageTransform item) => _list.IndexOf(item);
-
- /// <summary>
- /// Inserts a <see cref="ImageTransform"/> into the collection at the specified index.
- /// </summary>
- /// <param name="index">The zero-based index at which <paramref name="item"/> should be inserted.</param>
- /// <param name="item">The <see cref="ImageTransform"/> to insert into the collection.</param>
- /// <exception cref="ArgumentNullException"><paramref name="item"/> is null.</exception>
- /// <exception cref="ArgumentOutOfRangeException">
- /// index is less than 0.<br/>
- /// -or-<br/>
- /// index is greater than <see cref="Count"/>.
- /// </exception>
- /// <since_tizen> 4 </since_tizen>
- public void Insert(int index, ImageTransform item)
- {
- if (item == null)
- {
- throw new ArgumentNullException(nameof(item));
- }
- _list.Insert(index, item);
- }
-
- /// <summary>
- /// Removes the first occurrence of the specified <see cref="ImageTransform"/> from the collection.
- /// </summary>
- /// <param name="item">The <see cref="ImageTransform"/> to remove.</param>
- /// <returns>true if <paramref name="item"/> was removed from the collection; otherwise, false.</returns>
- /// <since_tizen> 4 </since_tizen>
- public bool Remove(ImageTransform item) => _list.Remove(item);
-
- /// <summary>
- /// Removes the <see cref="ImageTransform"/> at the specified index.
- /// </summary>
- /// <param name="index">The zero-based index to remove.</param>
- /// <exception cref="ArgumentOutOfRangeException">
- /// index is less than 0.<br/>
- /// -or-<br/>
- /// index is equal to or greater than <see cref="Count"/>.
- /// </exception>
- /// <since_tizen> 4 </since_tizen>
- public void RemoveAt(int index) => _list.RemoveAt(index);
-
- /// <summary>
- /// Returns an enumerator that can iterate through the collection.
- /// </summary>
- /// <returns>An enumerator that can be used to iterate through the collection.</returns>
- /// <since_tizen> 4 </since_tizen>
- public IEnumerator<ImageTransform> GetEnumerator() => _list.GetEnumerator();
-
- IEnumerator IEnumerable.GetEnumerator() => _list.GetEnumerator();
- }
-
- // TODO need to improve performance
- /// <summary>
- /// Represents a <see cref="ImageTransform"/> that is a composite of the transforms.
- /// </summary>
- /// <since_tizen> 4 </since_tizen>
- public class ImageTransformGroup : ImageTransform
- {
- /// <summary>
- /// Gets or sets the <see cref="ImageTransformCollection"/>.
- /// </summary>
- /// <since_tizen> 4 </since_tizen>
- public ImageTransformCollection Children { get; set; }
-
- /// <summary>
- /// Initializes a new instance of the ImageTransformGroup class.
- /// </summary>
- /// <since_tizen> 4 </since_tizen>
- public ImageTransformGroup()
- {
- Children = new ImageTransformCollection();
- }
-
- internal override void Configure(TransformHandle handle)
- {
- // intended blank
- }
-
- internal override async Task<MediaPacket> ApplyAsync(MediaPacket source)
- {
- if (Children.Count == 0)
- {
- return source;
- }
-
- var items = Children;
-
- MediaPacket curPacket = await items[0].ApplyAsync(source);
-
- for (int i = 1; i < items.Count; ++i)
- {
- var oldPacket = curPacket;
- try
- {
- curPacket = await items[i].ApplyAsync(curPacket);
- }
- finally
- {
- oldPacket.Dispose();
- }
- }
-
- return curPacket;
- }
- }
-
- /// <summary>
- /// Rotates an image.
- /// </summary>
- /// <seealso cref="Rotation"/>
- /// <since_tizen> 4 </since_tizen>
- public class RotateTransform : ImageTransform
- {
- private Rotation _rotation;
-
- /// <summary>
- /// Initializes a new instance of the <see cref="RotateTransform"/> class.
- /// </summary>
- /// <param name="rotation">The value how to rotate an image.</param>
- /// <exception cref="ArgumentException"><paramref name="rotation"/> is invalid.</exception>
- /// <exception cref="ArgumentOutOfRangeException"><paramref name="rotation"/> is <see cref="Rotation.Rotate90"/>.</exception>
- /// <since_tizen> 4 </since_tizen>
- public RotateTransform(Rotation rotation)
- {
- Rotation = rotation;
-
- }
-
- /// <summary>
- /// Gets or sets the value how to rotate an image.
- /// </summary>
- /// <exception cref="ArgumentException"><paramref name="value"/> is invalid.</exception>
- /// <exception cref="ArgumentOutOfRangeException"><paramref name="value"/> is <see cref="Rotation.Rotate90"/>.</exception>
- /// <since_tizen> 4 </since_tizen>
- public Rotation Rotation
- {
- get { return _rotation; }
- set
- {
- ValidationUtil.ValidateEnum(typeof(Rotation), value, nameof(Rotation));
-
- if (value == Rotation.Rotate0)
- {
- throw new ArgumentOutOfRangeException(nameof(value), "Rotation can't be Rotate0.");
- }
-
- _rotation = value;
- }
- }
-
- internal override void Configure(TransformHandle handle)
- {
- SetRotation(handle, GetImageRotation());
- }
-
- private ImageRotation GetImageRotation()
- {
- switch (Rotation)
- {
- case Rotation.Rotate90: return ImageRotation.Rotate90;
- case Rotation.Rotate180: return ImageRotation.Rotate180;
- case Rotation.Rotate270: return ImageRotation.Rotate270;
- }
-
- Debug.Fail("Rotation is invalid value!");
- return ImageRotation.Rotate0;
- }
- }
-
+ internal abstract string GenerateNotSupportedErrorMessage(VideoMediaFormat format);
- /// <summary>
- /// Flips an image.
- /// </summary>
- /// <seealso cref="Rotation"/>
- /// <since_tizen> 4 </since_tizen>
- public class FlipTransform : ImageTransform
- {
- private Flips _flip;
-
- /// <summary>
- /// Initializes a new instance of the <see cref="FlipTransform"/> class.
- /// </summary>
- /// <param name="flip">The value how to flip an image.</param>
- /// <exception cref="ArgumentException"><paramref name="flip"/> is invalid.</exception>
- /// <exception cref="ArgumentOutOfRangeException"><paramref name="flip"/> is <see cref="Flips.None"/>.</exception>
- /// <since_tizen> 4 </since_tizen>
- public FlipTransform(Flips flip)
- {
- Flip = flip;
- }
-
- /// <summary>
- /// Gets or sets the value how to flip an image.
- /// </summary>
- /// <exception cref="ArgumentException"><paramref name="value"/> is invalid.</exception>
- /// <exception cref="ArgumentOutOfRangeException"><paramref name="value"/> is <see cref="Flips.None"/>.</exception>
- /// <since_tizen> 4 </since_tizen>
- public Flips Flip
- {
- get { return _flip; }
- set
- {
- ValidationUtil.ValidateFlagsEnum(value, Flips.Horizontal | Flips.Vertical, nameof(Flips));
-
- if (value == Flips.None)
- {
- throw new ArgumentOutOfRangeException(nameof(value), "Flip can't be None.");
- }
-
- _flip = value;
- }
- }
-
- internal override void Configure(TransformHandle handle)
- {
- // intended blank
- }
+ internal abstract void Configure(TransformHandle handle);
- private async Task<MediaPacket> ApplyAsync(TransformHandle handle, MediaPacket source,
- ImageRotation rotation)
+ internal virtual void ValidateFormat(VideoMediaFormat format)
{
- SetRotation(handle, rotation);
- return await RunAsync(handle, source);
}
- internal override async Task<MediaPacket> ApplyAsync(MediaPacket source)
+ internal virtual async Task<MediaPacket> ApplyAsync(MediaPacket source)
{
using (TransformHandle handle = CreateHandle())
{
- if (Flip.HasFlag(Flips.Vertical | Flips.Horizontal))
- {
- var flipped = await ApplyAsync(handle, source, ImageRotation.FlipHorizontal);
- try
- {
- return await ApplyAsync(handle, flipped, ImageRotation.FlipVertical);
- }
- finally
- {
- flipped.Dispose();
- }
- }
-
- return await ApplyAsync(handle, source, Flip.HasFlag(Flips.Horizontal) ?
- ImageRotation.FlipHorizontal : ImageRotation.FlipVertical);
- }
- }
- }
-
- /// <summary>
- /// Changes the colorspace of an image.
- /// </summary>
- /// <seealso cref="ColorSpace"/>
- /// <since_tizen> 4 </since_tizen>
- public class ColorSpaceTransform : ImageTransform
- {
- private ImageColorSpace _imageColorSpace;
-
- /// <summary>
- /// Initializes a new instance of the <see cref="ColorSpaceTransform"/> class.
- /// </summary>
- /// <param name="colorSpace">The colorspace of output image.</param>
- /// <exception cref="ArgumentException"><paramref name="colorSpace"/> is invalid.</exception>
- /// <exception cref="NotSupportedException"><paramref name="colorSpace"/> is not supported.</exception>
- /// <seealso cref="SupportedColorSpaces"/>
- /// <since_tizen> 4 </since_tizen>
- public ColorSpaceTransform(ColorSpace colorSpace)
- {
- ColorSpace = colorSpace;
- }
-
- /// <summary>
- /// Gets or sets the colorspace of the result image.
- /// </summary>
- /// <exception cref="ArgumentException"><paramref name="value"/> is invalid.</exception>
- /// <exception cref="NotSupportedException"><paramref name="value"/> is not supported.</exception>
- /// <seealso cref="SupportedColorSpaces"/>
- /// <since_tizen> 4 </since_tizen>
- public ColorSpace ColorSpace
- {
- get { return _imageColorSpace.ToCommonColorSpace(); }
- set
- {
- ValidationUtil.ValidateEnum(typeof(ColorSpace), value, nameof(ColorSpace));
-
- _imageColorSpace = value.ToImageColorSpace();
- }
- }
-
- internal override void Configure(TransformHandle handle)
- {
- SetColorspace(handle, _imageColorSpace);
- }
-
- /// <summary>
- /// Gets the supported colorspaces for <see cref="ColorSpaceTransform"/>.
- /// </summary>
- /// <since_tizen> 4 </since_tizen>
- public static IEnumerable<ColorSpace> SupportedColorSpaces
- {
- get
- {
- foreach (ImageColorSpace value in Enum.GetValues(typeof(ImageColorSpace)))
- {
- yield return value.ToCommonColorSpace();
- }
- }
- }
- }
-
- /// <summary>
- /// Crops an image.
- /// </summary>
- /// <since_tizen> 4 </since_tizen>
- public class CropTransform : ImageTransform
- {
- private Rectangle _region;
-
- /// <summary>
- /// Initializes a new instance of the <see cref="CropTransform"/> class.
- /// </summary>
- /// <param name="region">The crop region.</param>
- /// <exception cref="ArgumentOutOfRangeException">
- /// The X-position of <paramref name="region"/> is less than zero.<br/>
- /// -or-<br/>
- /// The Y-position of <paramref name="region"/> is less than zero.<br/>
- /// -or-<br/>
- /// The width of <paramref name="region"/> is less than or equal to zero.<br/>
- /// -or-<br/>
- /// The height of <paramref name="region"/> is less than or equal to zero.
- /// </exception>
- /// <since_tizen> 4 </since_tizen>
- public CropTransform(Rectangle region)
- {
- Region = region;
- }
-
- /// <summary>
- /// Gets or sets the crop region.
- /// </summary>
- /// <exception cref="ArgumentOutOfRangeException">
- /// The X-position of <paramref name="value"/> is less than zero.<br/>
- /// -or-<br/>
- /// The Y-position of <paramref name="value"/> is less than zero.<br/>
- /// -or-<br/>
- /// The width of <paramref name="value"/> is less than or equal to zero.<br/>
- /// -or-<br/>
- /// The height of <paramref name="value"/> is less than or equal to zero.
- /// </exception>
- /// <since_tizen> 4 </since_tizen>
- public Rectangle Region
- {
- get { return _region; }
- set
- {
-
- if (value.X < 0)
- {
- throw new ArgumentOutOfRangeException(nameof(Region), value,
- "X position of the region can't be less than zero.");
- }
-
- if (value.Y < 0)
- {
- throw new ArgumentOutOfRangeException(nameof(Region), value,
- "Y position of the region can't be less than zero.");
- }
-
- if (value.Width <= 0)
- {
- throw new ArgumentOutOfRangeException(nameof(Region), value,
- "Width of the region can't be less than or equal zero.");
- }
-
- if (value.Height < 0)
- {
- throw new ArgumentOutOfRangeException(nameof(Region), value,
- "Height of the region can't be less than or equal to zero.");
- }
-
- _region = value;
- }
- }
-
- internal override void Configure(TransformHandle handle)
- {
- SetCropArea(handle, Region.Left, Region.Top, Region.Right, Region.Bottom);
- }
- }
-
- /// <summary>
- /// Resizes an image.
- /// </summary>
- /// <since_tizen> 4 </since_tizen>
- public class ResizeTransform : ImageTransform
- {
- private Size _size;
-
- /// <summary>
- /// Initializes a new instance of the <see cref="ResizeTransform"/> class.
- /// </summary>
- /// <param name="size">The size that an image is resized to.</param>
- /// <exception cref="ArgumentOutOfRangeException">
- /// The width of <paramref name="size"/> is less than or equal to zero.<br/>
- /// -or-<br/>
- /// The height of <paramref name="size"/> is less than or equal to zero.
- /// </exception>
- /// <since_tizen> 4 </since_tizen>
- public ResizeTransform(Size size)
- {
- Size = size;
- }
-
- /// <summary>
- /// Gets or sets the size that an image is resized to.
- /// </summary>
- /// <exception cref="ArgumentOutOfRangeException">
- /// The width of <paramref name="value"/> is less than or equal to zero.<br/>
- /// -or-<br/>
- /// The height of <paramref name="value"/> is less than or equal to zero.
- /// </exception>
- /// <since_tizen> 4 </since_tizen>
- public Size Size
- {
- get { return _size; }
- set
- {
- if (value.Width <= 0)
- {
- throw new ArgumentOutOfRangeException(nameof(Size), value,
- "Width of the size can't be less than or equal to zero.");
- }
-
- if (value.Height <= 0)
- {
- throw new ArgumentOutOfRangeException(nameof(Size), value,
- "Height of the size can't be less than or equal to zero.");
- }
+ Configure(handle);
- _size = value;
+ return await RunAsync(handle, source);
}
}
-
- internal override void Configure(TransformHandle handle)
- {
- SetResolution(handle, (uint)Size.Width, (uint)Size.Height);
- }
}
}
projects / platform / core / csapi / tizenfx.git / blobdiff