Files
stgsharp/StgSharp.Common/Graphics/CPUanimation/ImageHelper.cs
T
2025-10-17 10:49:00 +08:00

84 lines
2.9 KiB
C#

//-----------------------------------------------------------------------
// -----------------------------------------------------------------------
// file="ImageHelper"
// Project: StgSharp
// AuthorGroup: Nitload
// Copyright (c) Nitload. All rights reserved.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.
//
// -----------------------------------------------------------------------
// -----------------------------------------------------------------------
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Text;
namespace StgSharp.Graphics
{
public static class ImageHelper
{
public static void Resize(Image i, int width, int height, ImageMovement move)
{
if (i == null) {
throw new ArgumentNullException(nameof(i));
}
if (i.Size == (width, height)) {
return;
}
if (!Enum.IsDefined(typeof(ImageMovement), move)) {
throw new InvalidEnumArgumentException(nameof(move));
}
byte[] oldData = i.Data;
i.Data = new byte[width * height * i.PixelSize];
i.Height = height;
i.Width = width;
i.PixelUpdateCount++;
switch (move)
{
case ImageMovement.Discard:
break;
case ImageMovement.Top:
break;
default:
throw new NotImplementedException();
}
}
}
[Flags]
public enum ImageMovement
{
#pragma warning disable CA1008
Discard = 0,
#pragma warning restore CA1008
Top = 1,
Bottom = 2,
Left = 4,
Right = 8,
TopLeft = Top | Left,
BottomLeft = Bottom | Left,
TopRight = Top | Right,
BottomRight = Bottom | Right,
}
}