/// <summary>
/// ファイルオープン時の処理。
/// </summary>
/// <param name="message">ファイルオープンメッセージ。</param>
private void OnOpenFileDialog(OpenFileDialogMessage message)
{
if (!message.DialogResult.HasValue || !message.DialogResult.Value)
{
return;
}
try
{
using (var fs = new FileStream(message.FileName, FileMode.Open, FileAccess.Read, FileShare.Read))
using (var reader = new BinaryReader(fs))
{
var tga = new TgaImage(reader);
ImageSource = tga.GetBitmap();
}
OpenedFile = message.FileName;
}
catch (Exception ex)
{
MessengerInstance.Send <DialogMessage>(
new DialogMessage(string.Format("ファイルのオープンに失敗しました\r\n{0}", ex), (r) => { })
{
Caption = "ファイルオープンエラー"
});
}
}
public static Bitmap OpenTGA(string path)
{
using (MemoryStream ms = new MemoryStream(File.ReadAllBytes(path)))
{
//return DmitryBrant.ImageFormats.TgaReader.Load(ms);
//Surface surface = Surface.LoadFromStream(ms, true);
//return getBitmapFromSurface(surface);
using (BinaryReader br = new BinaryReader(ms))
{
TgaImage tga = new TgaImage(br);
BitmapSource bmpSource = tga.GetBitmap();
return(getBitmapFromBitmapSource(bmpSource));
}
}
}
public void TestGetBitmap()
{
var testcase = new[]
{
new { Input = "TestData/UBW8.tga", Expected = "TestData/grayscale.png", UseAlphaForcefully = false },
new { Input = "TestData/UCM8.tga", Expected = "TestData/color.png", UseAlphaForcefully = false },
new { Input = "TestData/UTC16.tga", Expected = "TestData/color.png", UseAlphaForcefully = false },
new { Input = "TestData/UTC24.tga", Expected = "TestData/color.png", UseAlphaForcefully = false },
new { Input = "TestData/UTC32.tga", Expected = "TestData/color.png", UseAlphaForcefully = false },
new { Input = "TestData/CBW8.tga", Expected = "TestData/grayscale.png", UseAlphaForcefully = false },
new { Input = "TestData/CCM8.tga", Expected = "TestData/color.png", UseAlphaForcefully = false },
new { Input = "TestData/CTC16.tga", Expected = "TestData/color.png", UseAlphaForcefully = false },
new { Input = "TestData/CTC24.tga", Expected = "TestData/color.png", UseAlphaForcefully = false },
new { Input = "TestData/CTC32.tga", Expected = "TestData/color.png", UseAlphaForcefully = false },
new { Input = "TestData/rgb32rle.tga", Expected = "TestData/rgb32rle.png", UseAlphaForcefully = true },
};
testcase.ToList().ForEach((tc) =>
{
using (var fs = new FileStream(tc.Input, FileMode.Open, FileAccess.Read, FileShare.Read))
using (var r = new BinaryReader(fs))
{
var expectedImage = new BitmapImage(new Uri(tc.Expected, UriKind.Relative));
var tga = new TgaImage(r, tc.UseAlphaForcefully);
var actualImage = tga.GetBitmap();
var expectedConvertedImage = new FormatConvertedBitmap(expectedImage, PixelFormats.Bgra32, null, 0.0);
var bytesPerPixel = (expectedConvertedImage.Format.BitsPerPixel + 7) / 8;
var stride = expectedConvertedImage.PixelWidth * bytesPerPixel;
var expectedImageBytes = new byte[stride * expectedImage.PixelHeight];
expectedConvertedImage.CopyPixels(expectedImageBytes, stride, 0);
var actualConvertedImage = new FormatConvertedBitmap(actualImage, PixelFormats.Bgra32, null, 0.0);
var actualImageBytes = new byte[stride * tga.Header.Height];
actualConvertedImage.CopyPixels(actualImageBytes, stride, 0);
CollectionAssert.AreEqual(expectedImageBytes, actualImageBytes, string.Format("expected:{0}, actual:{1}", tc.Expected, tc.Input));
}
});
}