private static IImageEncoder GetEncoder(ResizeOptions options, IImageFormat?format)
{
var encoder = Configuration.Default.ImageFormatsManager.FindEncoder(format);
if (encoder == null)
{
throw new NotSupportedException();
}
if (options.Quality.HasValue && (encoder is JpegEncoder || !options.KeepFormat) && options.Format == ImageFormat.Auto)
{
encoder = new JpegEncoder {
Quality = options.Quality.Value
};
}
else if (options.Format == ImageFormat.JPEG)
{
encoder = new JpegEncoder();
}
else if (options.Format == ImageFormat.PNG)
{
encoder = new PngEncoder();
}
else if (options.Format == ImageFormat.TGA)
{
encoder = new TgaEncoder();
}
else if (options.Format == ImageFormat.GIF)
{
encoder = new GifEncoder();
}
return(encoder);
}
private static void TestTgaEncoderCore <TPixel>(
TestImageProvider <TPixel> provider,
TgaBitsPerPixel bitsPerPixel,
TgaCompression compression = TgaCompression.None,
bool useExactComparer = true,
float compareTolerance = 0.01f)
where TPixel : unmanaged, IPixel <TPixel>
{
using (Image <TPixel> image = provider.GetImage())
{
var encoder = new TgaEncoder {
BitsPerPixel = bitsPerPixel, Compression = compression
};
using (var memStream = new MemoryStream())
{
image.Save(memStream, encoder);
memStream.Position = 0;
using (var encodedImage = (Image <TPixel>)Image.Load(memStream))
{
TgaTestUtils.CompareWithReferenceDecoder(provider, encodedImage, useExactComparer, compareTolerance);
}
}
}
}
public override async Task ConvertAsync(IList <Image <Rgba32> > images,
Stream outputStream, CancellationToken cancellationToken)
{
if (images is null)
{
throw new ArgumentNullException(nameof(images));
}
if (images.Count != 1)
{
throw new ArgumentException("Only one image is permitted for this format.", nameof(images));
}
if (outputStream is null)
{
throw new ArgumentNullException(nameof(outputStream));
}
var image = images[0];
Resize(image);
var encoder = new TgaEncoder
{
BitsPerPixel = TgaBitsPerPixel.Pixel32,
Compression = TgaCompression.None,
};
await image.SaveAsync(outputStream, encoder, cancellationToken);
}
private byte[] GetImageData()
{
if (PageOpenImageControl.WorkspaceViewer.Image == null)
{
return(null);
}
AtalaImage atalaImage = null;
if (PageOpenImageControl.WorkspaceViewer.Image.PixelFormat == PixelFormat.Pixel32bppBgra)
{
atalaImage = PageOpenImageControl.WorkspaceViewer.Image;
}
else
{
atalaImage = PageOpenImageControl.WorkspaceViewer.Image.GetChangedPixelFormat(PixelFormat.Pixel32bppBgra);
}
byte[] memoryBuffer = new byte[atalaImage.Width * atalaImage.Height * 4 + 1042 + 18];
MemoryStream memoryStream = new MemoryStream(memoryBuffer);
TgaEncoder tgaEncoder = new TgaEncoder();
tgaEncoder.Save(memoryStream, atalaImage, null);
return(memoryBuffer);
}
/// <summary>
///
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void axPushButton_ClickEvent(object sender, EventArgs e)
{
MessageBox.Show("解压的可能时间比较长 请等待分钟 或更长的时间");
if (m_FolderBrowserDialog.ShowDialog() == DialogResult.OK)
{
for (int i = 0; i < m_SGLEditorDocumentForm.m_SglFileInfo.SGLImage.Length; i++)
{
SGLImage sglImage = m_SGLEditorDocumentForm.m_SglFileInfo.SGLImage[i];
for (int i2 = 0; i2 < sglImage.SGLFrames.Length; i2++)
{
SGLFrame sglFrame = sglImage.SGLFrames[i2];
if (sglFrame.SGLFrameFormat11Or12Or22.DecodeFrame32Stream == null)
{
if (sglFrame.SGLFrameFormat11Or12Or22.LoadImage() == false)
{
break;
}
else
{
Workspace workspace = new Workspace();
workspace.Open(sglFrame.SGLFrameFormat11Or12Or22.DecodeFrame32Stream);
TgaEncoder encoder = new TgaEncoder();
StringBuilder strBuilder = new StringBuilder();
strBuilder.Append(m_FolderBrowserDialog.SelectedPath);
strBuilder.Append("\\[");
strBuilder.Append(Path.GetFileNameWithoutExtension(m_SGLEditorDocumentForm.m_SglFileName));
strBuilder.Append("]Image[");
strBuilder.Append(i.ToString("D5"));
strBuilder.Append("]");
strBuilder.Append("Frame[");
strBuilder.Append(i2.ToString("D3"));
strBuilder.Append("]");
strBuilder.Append("Offset[");
strBuilder.Append(sglFrame.CenterX.ToString("D4"));
strBuilder.Append("X");
strBuilder.Append(sglFrame.CenterY.ToString("D4"));
strBuilder.Append("]");
strBuilder.Append(".tga");
string imageName = strBuilder.ToString();
workspace.Save(imageName, encoder);
}
}
}
}
MessageBox.Show("文件全部解压完成");
}
}
public void TgaEncoder_PreserveBitsPerPixel(string imagePath, TgaBitsPerPixel bmpBitsPerPixel)
{
var options = new TgaEncoder();
var testFile = TestFile.Create(imagePath);
using (Image <Rgba32> input = testFile.CreateRgba32Image())
{
using (var memStream = new MemoryStream())
{
input.Save(memStream, options);
memStream.Position = 0;
using (var output = Image.Load <Rgba32>(memStream))
{
TgaMetadata meta = output.Metadata.GetTgaMetadata();
Assert.Equal(bmpBitsPerPixel, meta.BitsPerPixel);
}
}
}
}
private void SaveCircuitBoard(string path)
{
string extension = Path.GetExtension(path).ToLowerInvariant();
IImageEncoder encoder;
switch (extension)
{
case ".png":
encoder = new PngEncoder
{
ColorType = PngColorType.RgbWithAlpha,
};
break;
case ".bmp":
encoder = new BmpEncoder
{
BitsPerPixel = BmpBitsPerPixel.Pixel32,
SupportTransparency = true
};
break;
case ".tga":
encoder = new TgaEncoder
{
BitsPerPixel = TgaBitsPerPixel.Pixel32
};
break;
default:
throw new NotSupportedException($"No image encoder available for file extension \"{extension}\".");
}
using (Image <Bgra32> image = circuitBoard.ToImage().ToImageSharp())
{
image.Save(path, encoder);
}
}
public void Encode_WithCompression_PreserveBitsPerPixel(string imagePath, TgaBitsPerPixel bmpBitsPerPixel)
{
var options = new TgaEncoder()
{
Compression = TgaCompression.RunLength
};
TestFile testFile = TestFile.Create(imagePath);
using (Image <Rgba32> input = testFile.CreateRgba32Image())
{
using (var memStream = new MemoryStream())
{
input.Save(memStream, options);
memStream.Position = 0;
using (Image <Rgba32> output = Image.Load <Rgba32>(memStream))
{
TgaMetadata meta = output.Metadata.GetFormatMetadata(TgaFormat.Instance);
Assert.Equal(bmpBitsPerPixel, meta.BitsPerPixel);
}
}
}
}
/// <summary>
/// Saves the image to the given stream with the Tga format.
/// </summary>
/// <param name="source">The image this method extends.</param>
/// <param name="stream">The stream to save the image to.</param>
/// <param name="encoder">The encoder to save the image with.</param>
/// <param name="cancellationToken">The token to monitor for cancellation requests.</param>
/// <exception cref="System.ArgumentNullException">Thrown if the stream is null.</exception>
/// <returns>A <see cref="Task"/> representing the asynchronous operation.</returns>
public static Task SaveAsTgaAsync(this Image source, Stream stream, TgaEncoder encoder, CancellationToken cancellationToken = default) =>
source.SaveAsync(
stream,
encoder ?? source.GetConfiguration().ImageFormatsManager.FindEncoder(TgaFormat.Instance),
cancellationToken);
/// <summary>
/// Saves the image to the given stream with the Tga format.
/// </summary>
/// <param name="source">The image this method extends.</param>
/// <param name="stream">The stream to save the image to.</param>
/// <param name="encoder">The encoder to save the image with.</param>
/// <exception cref="System.ArgumentNullException">Thrown if the stream is null.</exception>
/// <returns>A <see cref="Task"/> representing the asynchronous operation.</returns>
public static void SaveAsTga(this Image source, Stream stream, TgaEncoder encoder)
=> source.Save(
stream,
encoder ?? source.GetConfiguration().ImageFormatsManager.FindEncoder(TgaFormat.Instance));
//returns an encoder based on image type
public static ImageEncoder GetEncoderFromType(ImageType type)
{
ImageEncoder encoder = null;
switch (type)
{
case ImageType.Jpeg:
encoder = new JpegEncoder();
break;
case ImageType.Png:
encoder = new PngEncoder();
break;
case ImageType.J2k:
encoder = new Jp2Encoder();
break;
case ImageType.Bmp:
encoder = new BmpEncoder();
break;
case ImageType.Emf:
encoder = new EmfEncoder();
break;
case ImageType.Gif:
encoder = new GifEncoder();
break;
case ImageType.Pcx:
encoder = new PcxEncoder();
break;
case ImageType.Psd:
encoder = new PsdEncoder();
break;
case ImageType.Tga:
encoder = new TgaEncoder();
break;
case ImageType.Tiff:
encoder = new TiffEncoder();
break;
case ImageType.Wbmp:
encoder = new WbmpEncoder();
break;
case ImageType.Wmf:
encoder = new WmfEncoder();
break;
case ImageType.Tla:
encoder = new TlaEncoder();
break;
default:
MessageBox.Show("当前的图像格式不支持");
break;
}
return(encoder);
}
/// <summary>
/// Saves the image to the given stream with the tga format.
/// </summary>
/// <param name="source">The image this method extends.</param>
/// <param name="path">The file path to save the image to.</param>
/// <param name="encoder">The encoder to save the image with.</param>
/// <exception cref="System.ArgumentNullException">Thrown if the path is null.</exception>
/// <returns>A <see cref="Task"/> representing the asynchronous operation.</returns>
public static Task SaveAsTgaAsync(this Image source, string path, TgaEncoder encoder) =>
source.SaveAsync(
path,
encoder ?? source.GetConfiguration().ImageFormatsManager.FindEncoder(TgaFormat.Instance));
//returns an encoder based on image type
public static ImageEncoder GetEncoderFromType( ImageType type )
{
ImageEncoder encoder = null;
switch ( type )
{
case ImageType.Jpeg:
encoder = new JpegEncoder();
break;
case ImageType.Png:
encoder = new PngEncoder();
break;
case ImageType.J2k:
encoder = new Jp2Encoder();
break;
case ImageType.Bmp:
encoder = new BmpEncoder();
break;
case ImageType.Emf:
encoder = new EmfEncoder();
break;
case ImageType.Gif:
encoder = new GifEncoder();
break;
case ImageType.Pcx:
encoder = new PcxEncoder();
break;
case ImageType.Psd:
encoder = new PsdEncoder();
break;
case ImageType.Tga:
encoder = new TgaEncoder();
break;
case ImageType.Tiff:
encoder = new TiffEncoder();
break;
case ImageType.Wbmp:
encoder = new WbmpEncoder();
break;
case ImageType.Wmf:
encoder = new WmfEncoder();
break;
case ImageType.Tla:
encoder = new TlaEncoder();
break;
default:
MessageBox.Show( "当前的图像格式不支持" );
break;
}
return encoder;
}
/// <summary>
///
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
private void axPushButton_ClickEvent( object sender, EventArgs e )
{
MessageBox.Show( "解压的可能时间比较长 请等待分钟 或更长的时间" );
if ( m_FolderBrowserDialog.ShowDialog() == DialogResult.OK )
{
for ( int i = 0; i < m_SGLEditorDocumentForm.m_SglFileInfo.SGLImage.Length; i++ )
{
SGLImage sglImage = m_SGLEditorDocumentForm.m_SglFileInfo.SGLImage[i];
for ( int i2 = 0; i2 < sglImage.SGLFrames.Length; i2++ )
{
SGLFrame sglFrame = sglImage.SGLFrames[i2];
if ( sglFrame.SGLFrameFormat11Or12Or22.DecodeFrame32Stream == null )
{
if ( sglFrame.SGLFrameFormat11Or12Or22.LoadImage() == false )
break;
else
{
Workspace workspace = new Workspace();
workspace.Open( sglFrame.SGLFrameFormat11Or12Or22.DecodeFrame32Stream );
TgaEncoder encoder = new TgaEncoder();
StringBuilder strBuilder = new StringBuilder();
strBuilder.Append( m_FolderBrowserDialog.SelectedPath );
strBuilder.Append( "\\[" );
strBuilder.Append( Path.GetFileNameWithoutExtension( m_SGLEditorDocumentForm.m_SglFileName ) );
strBuilder.Append( "]Image[" );
strBuilder.Append( i.ToString( "D5" ) );
strBuilder.Append( "]" );
strBuilder.Append( "Frame[" );
strBuilder.Append( i2.ToString( "D3" ) );
strBuilder.Append( "]" );
strBuilder.Append( "Offset[" );
strBuilder.Append( sglFrame.CenterX.ToString( "D4" ) );
strBuilder.Append( "X" );
strBuilder.Append( sglFrame.CenterY.ToString( "D4" ) );
strBuilder.Append( "]" );
strBuilder.Append( ".tga" );
string imageName = strBuilder.ToString();
workspace.Save( imageName, encoder );
}
}
}
}
MessageBox.Show( "文件全部解压完成" );
}
}
