public void BeginSelection_MemoryImageTest()
{
using var twitter = new Twitter();
using var mediaSelector = new MediaSelector { Visible = false, Enabled = false };
twitter.Initialize("", "", "", 0L);
mediaSelector.Initialize(twitter, TwitterConfiguration.DefaultConfiguration(), "Twitter");
using (var bitmap = new Bitmap(width: 200, height: 200))
{
Assert.Raises <EventArgs>(
x => mediaSelector.BeginSelecting += x,
x => mediaSelector.BeginSelecting -= x,
() => mediaSelector.BeginSelection(bitmap)
);
}
Assert.True(mediaSelector.Visible);
Assert.True(mediaSelector.Enabled);
// 2 ページ目まで選択可能な状態
var pages = mediaSelector.ImagePageCombo.Items;
Assert.Equal(new[] { "1", "2" }, pages.Cast <object>().Select(x => x.ToString()));
// 1 ページ目が表示されている
Assert.Equal("1", mediaSelector.ImagePageCombo.Text);
Assert.Matches(@"^<>MemoryImage://\d+.png$", mediaSelector.ImagefilePathText.Text);
using (var bitmap = new Bitmap(width: 200, height: 200))
{
using var image = MemoryImage.CopyFromImage(bitmap);
Assert.Equal(image, mediaSelector.ImageSelectedPicture.Image);
}
}
private MemoryImageMediaItem CreateMemoryImageMediaItem(Image image, bool noMsgBox)
{
if (image == null)
{
return(null);
}
MemoryImage memoryImage = null;
try
{
// image から png 形式の MemoryImage を生成
memoryImage = MemoryImage.CopyFromImage(image);
return(new MemoryImageMediaItem(memoryImage));
}
catch
{
memoryImage?.Dispose();
if (!noMsgBox)
{
MessageBox.Show("Unable to create MemoryImage.");
}
return(null);
}
}
public void CopyFromImage_Test()
{
using (var bitmap = new Bitmap(width: 200, height: 200))
{
// MemoryImage をエラー無く作成できることをテストする
using (var image = MemoryImage.CopyFromImage(bitmap)) { }
}
}
public void ImageFormat_CopyFromImageTest()
{
using (var bitmap = new Bitmap(width: 200, height: 200))
using (var image = MemoryImage.CopyFromImage(bitmap))
{
// CopyFromImage から作成した MemoryImage は PNG 画像として扱われる
Assert.Equal(ImageFormat.Png, image.ImageFormat);
Assert.Equal(".png", image.ImageFormatExt);
}
}
