public TestItem1()
{
InitializeComponent();
//重設長寬
ResizeUtil.Resize(this);
t.c = this.button1;;
TestObj.CC = this.button1;
}
public override Task ConvertAsync(IList <Image <Rgba32> > images, Stream outputStream, CancellationToken cancellationToken)
{
if (images is null)
{
throw new ArgumentNullException(nameof(images));
}
if (images.Count != 2)
{
throw new ArgumentException("Exactly two images are required for this format.", nameof(images));
}
if (outputStream is null)
{
throw new ArgumentNullException(nameof(outputStream));
}
// This format appears to use 9 mipmaps. The first is the biggest at 256x256 (this is the max supported).
// Each subsequent one is half as wide and high, ending with 1x1. This makes 9 images.
// `Math.Log(256, 2) + 1` (+ 1 because 2^0 = 1 and that's still a slot we need) can be
// used to calculate this value, but since we're going up against file size limits anyway,
// hard-coding is fine.
const int totalImages = 9;
var sizedImages = new List <Image <Rgba32> >(totalImages);
sizedImages.AddRange(images.Take(totalImages));
var lastImage = sizedImages.Last();
while (sizedImages.Count < totalImages)
{
sizedImages.Add(lastImage.Clone());
}
var width = MaxWidth;
var height = MaxHeight;
foreach (var image in sizedImages)
{
ResizeUtil.Resize(image, width, height);
width /= 2;
height /= 2;
lastImage = image;
}
var encoder = new VtfEncoder(VtfImageType.Fading);
return(encoder.EncodeWithMipmapsAsync(sizedImages, outputStream, cancellationToken));
}
/// <summary>
/// 變更Form的長寬，連動目前使用的功能
/// </summary>
public void Resize(Form thisForm, Panel targetPanel)
{
//計算目前的長寬的比例
DynamicConfig.FORM_WIDTH_PERCENT = (thisForm.Width / DynamicConfig.FORM_WIDTH);
DynamicConfig.FORM_HEIGHT_PERCENT = (thisForm.Height / DynamicConfig.FORM_HEIGHT);
//記錄目前Form的size
SetFormSize(thisForm);
//變更Panel的大小
targetPanel.Width = Convert.ToInt32(targetPanel.Width * DynamicConfig.FORM_WIDTH_PERCENT);
targetPanel.Height = Convert.ToInt32(targetPanel.Height * DynamicConfig.FORM_HEIGHT_PERCENT);
//重設長寬
ResizeUtil.Resize(targetPanel.Controls[0]);
}
protected override void Resize(Image <Rgba32> image)
{
var maxWidth = MaxWidth;
var maxHeight = MaxHeight;
if (image.Width > image.Height)
{
maxHeight = MaxSmallerDimension;
}
else if (maxWidth > maxHeight)
{
maxWidth = MaxSmallerDimension;
}
else
{
maxWidth = maxHeight = MaxSmallerDimension;
}
ResizeUtil.Resize(image, maxWidth, maxHeight);
}
protected virtual void Resize(Image <Rgba32> image)
{
ResizeUtil.Resize(image, MaxWidth, MaxHeight);
}