| public Read ( Bitmap bitmap ) : void | ||
| bitmap | Bitmap | The bitmap to read the image from. |
| Результат | void | |
public void Test_RemoveAlpha()
{
string tempFile = Path.GetTempPath() + Guid.NewGuid().ToString() + ".png";
try
{
using (MagickImage image = new MagickImage(Files.MagickNETIconPNG))
{
Assert.IsTrue(image.HasAlpha);
image.ColorAlpha(new MagickColor("yellow"));
image.HasAlpha = true;
image.Write(tempFile);
image.Read(tempFile);
// TODO: Figure out why this does not fail in a single run but does when all tests are run.
//Assert.IsTrue(image.HasAlpha);
PngOptimizer optimizer = new PngOptimizer();
optimizer.LosslessCompress(tempFile);
image.Read(tempFile);
Assert.IsFalse(image.HasAlpha);
}
}
finally
{
if (File.Exists(tempFile))
File.Delete(tempFile);
}
}
public void Test_RemoveAlpha()
{
string tempFile = GetTemporaryFileName(".png");
try
{
using (MagickImage image = new MagickImage(Files.MagickNETIconPNG))
{
Assert.IsTrue(image.HasAlpha);
image.ColorAlpha(new MagickColor("yellow"));
image.HasAlpha = true;
image.Write(tempFile);
image.Read(tempFile);
Assert.IsTrue(image.HasAlpha);
PngOptimizer optimizer = new PngOptimizer();
optimizer.LosslessCompress(tempFile);
image.Read(tempFile);
Assert.IsFalse(image.HasAlpha);
}
}
finally
{
File.Delete(tempFile);
}
}
public void Test_Disabled()
{
using (MemoryStream memStream = new MemoryStream())
{
using (StreamWriter writer = new StreamWriter(memStream))
{
writer.Write(@"push graphic-context
viewbox 0 0 640 480
image over 0,0 0,0 ""label:Magick.NET""
pop graphic-context");
writer.Flush();
memStream.Position = 0;
using (MagickImage image = new MagickImage())
{
ExceptionAssert.Throws<MagickMissingDelegateErrorException>(delegate ()
{
image.Read(memStream);
});
ExceptionAssert.Throws<MagickPolicyErrorException>(delegate ()
{
MagickReadSettings settings = new MagickReadSettings()
{
Format = MagickFormat.Mvg
};
image.Read(memStream, settings);
});
}
}
}
}
public void Test_Image_Read()
{
using (MagickImage image = new MagickImage())
{
MagickReadSettings settings = new MagickReadSettings();
settings.Density = new PointD(300);
image.Read(Files.SnakewarePNG, settings);
Assert.AreEqual(300, image.Density.X);
settings = null;
image.Read(Files.ImageMagickJPG, settings);
}
using (MagickImage image = new MagickImage(Files.RoseSparkleGIF))
{
MagickImage imageA = new MagickImage();
MagickImage imageB = new MagickImage();
MagickReadSettings settings = new MagickReadSettings();
imageA.Read(Files.RoseSparkleGIF, settings);
Assert.AreEqual(image, imageA);
settings = new MagickReadSettings();
settings.FrameIndex = 1;
imageA.Read(Files.RoseSparkleGIF, settings);
Assert.AreNotEqual(image, imageA);
imageB.Read(Files.RoseSparkleGIF + "[1]");
Assert.AreEqual(imageA, imageB);
settings = new MagickReadSettings();
settings.FrameIndex = 2;
imageA.Read(Files.RoseSparkleGIF, settings);
Assert.AreNotEqual(image, imageA);
imageB.Read(Files.RoseSparkleGIF + "[2]");
Assert.AreEqual(imageA, imageB);
ExceptionAssert.Throws<MagickOptionErrorException>(delegate ()
{
settings = new MagickReadSettings();
settings.FrameIndex = 3;
imageA.Read(Files.RoseSparkleGIF, settings);
});
imageA.Dispose();
imageB.Dispose();
}
}
public void Test_Dimensions()
{
using (MagickImage image = new MagickImage())
{
MagickReadSettings settings = new MagickReadSettings();
settings.Width = 100;
image.Read(Files.Logos.MagickNETSVG, settings);
Assert.AreEqual(100, image.Width);
Assert.AreEqual(48, image.Height);
settings.Width = null;
settings.Height = 200;
image.Read(Files.Logos.MagickNETSVG, settings);
Assert.AreEqual(415, image.Width);
Assert.AreEqual(200, image.Height);
settings.Width = 300;
settings.Height = 300;
image.Read(Files.Logos.MagickNETSVG, settings);
Assert.AreEqual(300, image.Width);
Assert.AreEqual(144, image.Height);
image.Ping(Files.Logos.MagickNETSVG, settings);
Assert.AreEqual(300, image.Width);
Assert.AreEqual(144, image.Height);
using (FileStream fs = File.OpenRead(Files.Logos.MagickNETSVG))
{
fs.Seek(55, SeekOrigin.Begin);
ExceptionAssert.Throws<MagickMissingDelegateErrorException>(() =>
{
new MagickImageInfo(fs, settings);
});
fs.Seek(55, SeekOrigin.Begin);
settings.Format = MagickFormat.Svg;
MagickImageInfo info = new MagickImageInfo(fs, settings);
Assert.AreEqual(300, info.Width);
Assert.AreEqual(144, info.Height);
}
}
}
public void Test_ColorSpace()
{
using (MagickImage image = new MagickImage())
{
Assert.AreEqual(ColorSpace.Undefined, image.Settings.ColorSpace);
image.Read(Files.ImageMagickJPG);
ColorAssert.AreEqual(MagickColors.White, image, 0, 0);
image.Settings.ColorSpace = ColorSpace.Rec601YCbCr;
image.Read(Files.ImageMagickJPG);
ColorAssert.AreEqual(new MagickColor("#ff8080"), image, 0, 0);
}
}
public void Test_BackgroundColor()
{
using (MagickImage image = new MagickImage())
{
ColorAssert.AreEqual(MagickColors.White, image.Settings.BackgroundColor);
image.Read(Files.Logos.MagickNETSVG);
ColorAssert.AreEqual(MagickColors.White, image, 0, 0);
image.Settings.BackgroundColor = MagickColors.Yellow;
image.Read(Files.Logos.MagickNETSVG);
ColorAssert.AreEqual(MagickColors.Yellow, image, 0, 0);
}
}
public void WhenCompareItToTheScreenshot(string screenshotName)
{
using (var leftImage = new MagickImage(new FileInfo(this.screenshotFileName)))
{
using (var rightImage = new MagickImage())
{
using (var extractResource = EmbeddedResources.ExtractResource(Assembly.GetExecutingAssembly().GetName().Name, "Screenshots", screenshotName))
{
rightImage.Read(extractResource);
}
MagickImage diffImage = null;
try
{
this.screenshotDistortion = this.screenShotService.Compare(leftImage, rightImage, out diffImage);
}
finally
{
if (diffImage != null)
{
var diffFileName = Path.GetFileNameWithoutExtension(this.screenshotFileName) + "_diff" + Path.GetExtension(this.screenshotFileName);
// ReSharper disable once AssignNullToNotNullAttribute
diffImage.Write(Path.Combine(Path.GetDirectoryName(this.screenshotFileName), diffFileName));
diffImage.Dispose();
}
}
}
}
}
public void Test_AlphaUnblend()
{
MagickReadSettings settings = new MagickReadSettings()
{
Defines = new PsdReadDefines()
{
AlphaUnblend = false
}
};
using (MagickImage image = new MagickImage())
{
image.Read(Files.Coders.PlayerPSD, settings);
string define = image.Settings.GetDefine(MagickFormat.Psd, "alpha-unblend");
Assert.AreEqual("False", define);
}
using (MagickImage image = new MagickImage())
{
settings.Defines = new PsdReadDefines()
{
AlphaUnblend = true
};
image.Read(Files.Coders.PlayerPSD, settings);
string define = image.Settings.GetDefine(MagickFormat.Psd, "alpha-unblend");
Assert.IsNull(define);
}
}
public void Test_Disabled()
{
using (MemoryStream memStream = new MemoryStream())
{
using (StreamWriter writer = new StreamWriter(memStream))
{
writer.Write(@"
<?xml version=""1.0"" encoding=""UTF-8""?>
<image>
<read filename=""/tmp/text.gif"" />
</image>");
writer.Flush();
memStream.Position = 0;
using (MagickImage image = new MagickImage())
{
MagickReadSettings readSettings = new MagickReadSettings()
{
Format = MagickFormat.Msl
};
ExceptionAssert.Throws<MagickPolicyErrorException>(delegate ()
{
image.Read(memStream, readSettings);
});
}
}
}
}
public void Test_IgnoreTags()
{
using (MagickImage image = new MagickImage())
{
image.SetDefine(MagickFormat.Tiff, "ignore-tags", "32934");
image.Read(Files.Coders.IgnoreTagTIF);
}
}
public void Test_IgnoreExifPoperties()
{
MagickReadSettings settings = new MagickReadSettings()
{
Defines = new TiffReadDefines()
{
IgnoreExifPoperties = true
}
};
using (MagickImage image = new MagickImage())
{
image.Read(Files.InvitationTif);
Assert.IsNotNull(image.GetAttribute("exif:PixelXDimension"));
image.Read(Files.InvitationTif, settings);
Assert.IsNull(image.GetAttribute("exif:PixelXDimension"));
}
}
public static void ObtainWarningThatOccurredDuringRead()
{
using (MagickImage image = new MagickImage())
{
// Attach event handler to warning event
image.Warning += MagickImage_Warning;
// Read file that will raise a warning.
image.Read(SampleFiles.FileWithWarningJpg);
}
}
public void Test_SkipProfiles()
{
MagickReadSettings settings = new MagickReadSettings()
{
Defines = new JpegReadDefines()
{
SkipProfiles = ProfileTypes.Iptc | ProfileTypes.Icc
}
};
using (MagickImage image = new MagickImage())
{
image.Read(Files.FujiFilmFinePixS1ProJPG);
Assert.IsNotNull(image.GetIptcProfile());
image.Read(Files.FujiFilmFinePixS1ProJPG, settings);
Assert.IsNull(image.GetIptcProfile());
Assert.AreEqual("Icc,Iptc", image.Settings.GetDefine("profile:skip"));
}
}
public static void ReadImage()
{
// Read from file.
using (MagickImage image = new MagickImage(SampleFiles.SnakewareJpg))
{
}
// Read from stream.
using (MemoryStream memStream = LoadMemoryStreamImage())
{
using (MagickImage image = new MagickImage(memStream))
{
}
}
// Read from byte array.
byte[] data = LoadImageBytes();
using (MagickImage image = new MagickImage(data))
{
}
// Read image that has no predefined dimensions.
MagickReadSettings settings = new MagickReadSettings();
settings.Width = 800;
settings.Height = 600;
using (MagickImage image = new MagickImage("xc:yellow", settings))
{
}
using (MagickImage image = new MagickImage())
{
image.Read(SampleFiles.SnakewareJpg);
image.Read(data);
image.Read("xc:yellow", settings);
using (MemoryStream memStream = LoadMemoryStreamImage())
{
image.Read(memStream);
}
}
}
public static void ReadImage()
{
// Log all events
ImageMagick.MagickNET.SetLogEvents(LogEvents.All | LogEvents.Trace);
// Set the log handler (all threads use the same handler)
ImageMagick.MagickNET.Log += MagickNET_Log;
using (MagickImage image = new MagickImage())
{
// Reading the image will send all log events to the log handler
image.Read(SampleFiles.SnakewarePng);
}
}
public void Test_SkipProfiles()
{
MagickReadSettings settings = new MagickReadSettings()
{
Defines = new PngReadDefines()
{
SkipProfiles = ProfileTypes.Xmp | ProfileTypes.Exif
}
};
using (MagickImage image = new MagickImage())
{
image.Read(Files.FujiFilmFinePixS1ProPNG);
Assert.IsNotNull(image.GetExifProfile());
Assert.IsNotNull(image.GetXmpProfile());
image.Read(Files.FujiFilmFinePixS1ProPNG, settings);
Assert.IsNull(image.GetExifProfile());
Assert.IsNull(image.GetXmpProfile());
Assert.AreEqual("Exif,Xmp", image.Settings.GetDefine("profile:skip"));
}
}
public void Test_PreserveCorruptImage()
{
MagickReadSettings settings = new MagickReadSettings()
{
Defines = new PngReadDefines()
{
PreserveCorruptImage = false
}
};
MagickImage image = new MagickImage();
try
{
image.Read(Files.CorruptPNG, settings);
}
catch (MagickCoderErrorException)
{
Assert.AreEqual(0, image.Width);
Assert.AreEqual(0, image.Height);
}
((PngReadDefines)settings.Defines).PreserveCorruptImage = true;
try
{
image.Read(Files.CorruptPNG, settings);
}
catch (MagickCoderErrorException)
{
Assert.AreEqual(1920, image.Width);
Assert.AreEqual(1440, image.Height);
}
finally
{
image.Dispose();
}
}
private void Drukuj(string text)
{
var img = new MagickImage("image.jpg");
using (var imgText = new MagickImage())
{
imgText.FontPointsize = 24;
imgText.BackgroundColor = new MagickColor(Color.White);
imgText.FillColor = new MagickColor(Color.Black);
imgText.AntiAlias = true;
imgText.FontFamily = "Fake Receipt";
imgText.Read("label:" + text);
img.Composite(imgText, Gravity.West);
}
image.Source = img.ToBitmapSource();
}
public void Test_Image_Read_Density()
{
using (MagickImage image = new MagickImage())
{
MagickReadSettings settings = new MagickReadSettings();
settings.Density = new Density(300);
image.Read(Files.SnakewarePNG, settings);
Assert.AreEqual(300, image.Density.X);
settings = null;
image.Read(Files.ImageMagickJPG, settings);
}
}
public void Test_IgnoreTags()
{
using (MagickImage image = new MagickImage())
{
image.Settings.SetDefine(MagickFormat.Tiff, "ignore-tags", "32934");
image.Read(Files.Coders.IgnoreTagTIF);
}
using (MagickImage image = new MagickImage())
{
MagickReadSettings readSettings = new MagickReadSettings(new TiffReadDefines()
{
IgnoreTags = new string[] { "32934" }
});
image.Read(Files.Coders.IgnoreTagTIF, readSettings);
}
}
public void Test_FitPage()
{
MagickReadSettings settings = new MagickReadSettings()
{
Defines = new PdfReadDefines()
{
FitPage = new MagickGeometry(50, 40)
}
};
using (MagickImage image = new MagickImage())
{
image.Read(Files.Coders.CartoonNetworkStudiosLogoAI, settings);
Assert.IsTrue(image.Width <= 50);
Assert.IsTrue(image.Height <= 40);
}
}
public void Test_BlockSmoothing_DctMethod_FancyUpsampling()
{
MagickReadSettings settings = new MagickReadSettings()
{
Defines = new JpegReadDefines()
{
BlockSmoothing = true,
DctMethod = DctMethod.Slow,
FancyUpsampling = false
}
};
using (MagickImage image = new MagickImage())
{
image.Read(Files.ImageMagickJPG, settings);
Assert.AreEqual("True", image.GetDefine(MagickFormat.Jpeg, "block-smoothing"));
Assert.AreEqual("Slow", image.GetDefine(MagickFormat.Jpeg, "dct-method"));
Assert.AreEqual("False", image.GetDefine(MagickFormat.Jpeg, "fancy-upsampling"));
}
}
public void Test_Colors_Size()
{
MagickReadSettings settings = new MagickReadSettings()
{
Defines = new JpegReadDefines()
{
Colors = 100,
Size = new MagickGeometry(61, 59)
}
};
using (MagickImage image = new MagickImage())
{
image.Read(Files.ImageMagickJPG, settings);
Assert.IsTrue(image.TotalColors <= 100);
Assert.AreEqual(100, image.TotalColors, 1);
Assert.AreEqual(62, image.Width);
Assert.AreEqual(59, image.Height);
}
}
public void Test_Multithreading()
{
ReadDelegate action = delegate ()
{
using (MagickImage image = new MagickImage())
{
image.Read(Files.Coders.CartoonNetworkStudiosLogoAI);
}
};
IAsyncResult[] results = new IAsyncResult[3];
for (int i = 0; i < results.Length; ++i)
{
results[i] = action.BeginInvoke(null, null);
}
for (int i = 0; i < results.Length; ++i)
{
action.EndInvoke(results[i]);
}
}
public static void ConvertCmykToRgb()
{
// Uses sRGB.icm, eps/pdf produce better result when you set this before loading.
MagickReadSettings settings = new MagickReadSettings();
settings.ColorSpace = ColorSpace.sRGB;
// Create empty image
using (MagickImage image = new MagickImage())
{
// Reads the eps image, the specified settings tell Ghostscript to create an sRGB image
image.Read(SampleFiles.SnakewareEps, settings);
// Save image as tiff
image.Write(SampleFiles.OutputDirectory + "Snakeware.tiff");
}
// Read image from file
using (MagickImage image = new MagickImage(SampleFiles.SnakewareJpg))
{
// First add a CMYK profile if your image does not contain a color profile.
image.AddProfile(ColorProfile.USWebCoatedSWOP);
// Adding the second profile will transform the colorspace from CMYK to RGB
image.AddProfile(ColorProfile.SRGB);
// Save image as png
image.Write(SampleFiles.OutputDirectory + "Snakeware.png");
}
// Read image from file
using (MagickImage image = new MagickImage(SampleFiles.SnakewareJpg))
{
// First add a CMYK profile if your image does not contain a color profile.
image.AddProfile(ColorProfile.USWebCoatedSWOP);
// Adding the second profile will transform the colorspace from your custom icc profile
image.AddProfile(new ColorProfile(SampleFiles.YourProfileIcc));
// Save image as tiff
image.Write(SampleFiles.OutputDirectory + "Snakeware.tiff");
}
}
public void Test_Image_Read_FrameIndex()
{
using (MagickImage image = new MagickImage(Files.RoseSparkleGIF))
{
MagickImage imageA = new MagickImage();
MagickImage imageB = new MagickImage();
MagickReadSettings settings = new MagickReadSettings();
imageA.Read(Files.RoseSparkleGIF, settings);
Assert.AreEqual(image, imageA);
settings = new MagickReadSettings();
settings.FrameIndex = 1;
imageA.Read(Files.RoseSparkleGIF, settings);
Assert.AreNotEqual(image, imageA);
imageB.Read(Files.RoseSparkleGIF + "[1]");
Assert.AreEqual(imageA, imageB);
settings = new MagickReadSettings();
settings.FrameIndex = 2;
imageA.Read(Files.RoseSparkleGIF, settings);
Assert.AreNotEqual(image, imageA);
imageB.Read(Files.RoseSparkleGIF + "[2]");
Assert.AreEqual(imageA, imageB);
ExceptionAssert.Throws<MagickOptionErrorException>(delegate ()
{
settings = new MagickReadSettings();
settings.FrameIndex = 3;
imageA.Read(Files.RoseSparkleGIF, settings);
});
imageA.Dispose();
imageB.Dispose();
}
}
public void Test_Image_Read_Dimensions()
{
using (MagickImage image = new MagickImage())
{
MagickReadSettings settings = new MagickReadSettings();
settings.Width = 10;
image.Read("xc:fuchsia", settings);
Assert.AreEqual(10, image.Width);
Assert.AreEqual(1, image.Height);
settings.Width = null;
settings.Height = 20;
image.Read("xc:fuchsia", settings);
Assert.AreEqual(1, image.Width);
Assert.AreEqual(20, image.Height);
settings.Width = 30;
settings.Height = 40;
image.Read("xc:fuchsia", settings);
Assert.AreEqual(30, image.Width);
Assert.AreEqual(40, image.Height);
}
}
public void Test_WithImage()
{
using (MagickImage image = new MagickImage())
{
image.AddProfile(ColorProfile.USWebCoatedSWOP);
ExceptionAssert.Throws<MagickCacheErrorException>(delegate ()
{
image.ColorSpace = ColorSpace.CMYK;
});
image.Read(Files.SnakewarePNG);
ColorProfile profile = image.GetColorProfile();
Assert.IsNull(profile);
image.AddProfile(ColorProfile.SRGB);
TestProfile(image.GetColorProfile(), "icc");
}
}
public void Test_Image_Read()
{
MagickReadSettings settings = CreateSettings();
using (MagickImage image = new MagickImage())
{
byte[] data = new byte[]
{
0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0xf0, 0x3f,
0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0xf0, 0x3f,
0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0,
};
image.Read(data, settings);
Assert.AreEqual(2, image.Width);
Assert.AreEqual(1, image.Height);
using (PixelCollection pixels = image.GetReadOnlyPixels())
{
Pixel pixel = pixels.GetPixel(0, 0);
Assert.AreEqual(4, pixel.Channels);
Assert.AreEqual(0, pixel.GetChannel(0));
Assert.AreEqual(0, pixel.GetChannel(1));
Assert.AreEqual(0, pixel.GetChannel(2));
Assert.AreEqual(Quantum.Max, pixel.GetChannel(3));
pixel = pixels.GetPixel(1, 0);
Assert.AreEqual(4, pixel.Channels);
Assert.AreEqual(0, pixel.GetChannel(0));
Assert.AreEqual(Quantum.Max, pixel.GetChannel(1));
Assert.AreEqual(0, pixel.GetChannel(2));
Assert.AreEqual(0, pixel.GetChannel(3));
ExceptionAssert.Throws<ArgumentException>(delegate ()
{
pixels.GetPixel(0, 1);
});
}
}
}