public static string GetExtension(this Image img)
{
var converter = new ImageFormatConverter();
var extension = converter.ConvertToString(img.RawFormat);
return(extension?.ToLower());
}
public void SaveAllImages()
{
//ExStart
//ExFor:ImageData.HasImage
//ExFor:ImageData.ToImage
//ExFor:ImageData.Save(Stream)
//ExSummary:Shows how to save all the images from a document to the file system.
Document imgSourceDoc = new Document(MyDir + "Images.docx");
// Images are stored inside shapes, and if a shape contains an image, its "HasImage" flag will be set
// Get an enumerator for all shapes with that flag in the document
IEnumerable <Shape> shapes = imgSourceDoc.GetChildNodes(NodeType.Shape, true).Cast <Shape>().Where(s => s.HasImage);
// We will use an ImageFormatConverter to determine an image's file extension
ImageFormatConverter formatConverter = new ImageFormatConverter();
// Go over all of the document's shapes
// If a shape contains image data, save the image in the local file system
using (IEnumerator <Shape> enumerator = shapes.GetEnumerator())
{
int shapeIndex = 0;
while (enumerator.MoveNext())
{
ImageData imageData = enumerator.Current.ImageData;
ImageFormat format = imageData.ToImage().RawFormat;
string fileExtension = formatConverter.ConvertToString(format);
using (FileStream fileStream = File.Create(ArtifactsDir + $"Drawing.SaveAllImages.{++shapeIndex}.{fileExtension}"))
imageData.Save(fileStream);
}
}
//ExEnd
string[] imageFileNames = Directory.GetFiles(ArtifactsDir).Where(s => s.StartsWith(ArtifactsDir + "Drawing.SaveAllImages.")).ToArray();
List <FileInfo> fileInfos = imageFileNames.Select(s => new FileInfo(s)).ToList();
TestUtil.VerifyImage(2467, 1500, fileInfos[0].FullName);
Assert.AreEqual(".Jpeg", fileInfos[0].Extension);
TestUtil.VerifyImage(400, 400, fileInfos[1].FullName);
Assert.AreEqual(".Png", fileInfos[1].Extension);
TestUtil.VerifyImage(382, 138, fileInfos[2].FullName);
Assert.AreEqual(".Emf", fileInfos[2].Extension);
TestUtil.VerifyImage(1600, 1600, fileInfos[3].FullName);
Assert.AreEqual(".Wmf", fileInfos[3].Extension);
TestUtil.VerifyImage(534, 534, fileInfos[4].FullName);
Assert.AreEqual(".Emf", fileInfos[4].Extension);
TestUtil.VerifyImage(1260, 660, fileInfos[5].FullName);
Assert.AreEqual(".Jpeg", fileInfos[5].Extension);
TestUtil.VerifyImage(1125, 1500, fileInfos[6].FullName);
Assert.AreEqual(".Jpeg", fileInfos[6].Extension);
TestUtil.VerifyImage(1027, 1500, fileInfos[7].FullName);
Assert.AreEqual(".Jpeg", fileInfos[7].Extension);
TestUtil.VerifyImage(1200, 1500, fileInfos[8].FullName);
Assert.AreEqual(".Jpeg", fileInfos[8].Extension);
}
public void SaveAllImages()
{
//ExStart
//ExFor:ImageData.HasImage
//ExFor:ImageData.ToImage
//ExFor:ImageData.Save(Stream)
//ExSummary:Shows how to save all images from a document to the file system.
Document imgSourceDoc = new Document(MyDir + "Images.docx");
// Shapes with the "HasImage" flag set store and display all the document's images.
IEnumerable <Shape> shapesWithImages =
imgSourceDoc.GetChildNodes(NodeType.Shape, true).Cast <Shape>().Where(s => s.HasImage);
// Go through each shape and save its image.
ImageFormatConverter formatConverter = new ImageFormatConverter();
using (IEnumerator <Shape> enumerator = shapesWithImages.GetEnumerator())
{
int shapeIndex = 0;
while (enumerator.MoveNext())
{
ImageData imageData = enumerator.Current.ImageData;
ImageFormat format = imageData.ToImage().RawFormat;
string fileExtension = formatConverter.ConvertToString(format);
using (FileStream fileStream = File.Create(ArtifactsDir + $"Drawing.SaveAllImages.{++shapeIndex}.{fileExtension}"))
imageData.Save(fileStream);
}
}
//ExEnd
string[] imageFileNames = Directory.GetFiles(ArtifactsDir).Where(s => s.StartsWith(ArtifactsDir + "Drawing.SaveAllImages.")).OrderBy(s => s).ToArray();
List <FileInfo> fileInfos = imageFileNames.Select(s => new FileInfo(s)).ToList();
TestUtil.VerifyImage(2467, 1500, fileInfos[0].FullName);
Assert.AreEqual(".Jpeg", fileInfos[0].Extension);
TestUtil.VerifyImage(400, 400, fileInfos[1].FullName);
Assert.AreEqual(".Png", fileInfos[1].Extension);
TestUtil.VerifyImage(382, 138, fileInfos[2].FullName);
Assert.AreEqual(".Emf", fileInfos[2].Extension);
TestUtil.VerifyImage(1600, 1600, fileInfos[3].FullName);
Assert.AreEqual(".Wmf", fileInfos[3].Extension);
TestUtil.VerifyImage(534, 534, fileInfos[4].FullName);
Assert.AreEqual(".Emf", fileInfos[4].Extension);
TestUtil.VerifyImage(1260, 660, fileInfos[5].FullName);
Assert.AreEqual(".Jpeg", fileInfos[5].Extension);
TestUtil.VerifyImage(1125, 1500, fileInfos[6].FullName);
Assert.AreEqual(".Jpeg", fileInfos[6].Extension);
TestUtil.VerifyImage(1027, 1500, fileInfos[7].FullName);
Assert.AreEqual(".Jpeg", fileInfos[7].Extension);
TestUtil.VerifyImage(1200, 1500, fileInfos[8].FullName);
Assert.AreEqual(".Jpeg", fileInfos[8].Extension);
}
/// <summary>
/// Saves image with new name and selected Image Format. Returns saved file path and isUploaded
/// </summary>
/// <param name="newImage">Image to save</param>
/// <param name="fullFolderPath">Full path of folder to save. For example ~/Content/Images/ExampleFolder</param>
/// <param name="format">Format to be saved</param>
/// <param name="isUploaded">out Is save successfull?</param>
/// <returns></returns>
public static string ImageUpload(Image newImage, string fullFolderPath, ImageFormat format, out bool isUploaded)
{
try
{
ImageFormatConverter imgConverter = new ImageFormatConverter();
string fileName = Guid.NewGuid().ToString().Replace("-", string.Empty).ToLower();
string extension = imgConverter.ConvertToString(format);
string path = string.Format("{0}/{1}.{2}", fullFolderPath, fileName, extension);
newImage.Save(HttpContext.Current.Server.MapPath(path));
isUploaded = true;
return(path);
}
catch (Exception ex)
{
isUploaded = false;
return(ex.Message);
}
}
public void SaveAllImages()
{
//ExStart
//ExFor:ImageData.HasImage
//ExFor:ImageData.ToImage
//ExFor:ImageData.Save(Stream)
//ExSummary:Shows how to save all the images from a document to the file system.
Document imgSourceDoc = new Document(MyDir + "Image.SampleImages.doc");
// Images are stored as shapes
// Get into the document's shape collection to verify that it contains 6 images
List <Shape> shapes = imgSourceDoc.GetChildNodes(NodeType.Shape, true).Cast <Shape>().ToList();
Assert.AreEqual(6, shapes.Count);
// We will use an ImageFormatConverter to determine an image's file extension
ImageFormatConverter formatConverter = new ImageFormatConverter();
// Go over all of the document's shapes
// If a shape contains image data, save the image in the local file system
for (int i = 0; i < shapes.Count; i++)
{
ImageData imageData = shapes[i].ImageData;
if (imageData.HasImage)
{
ImageFormat format = imageData.ToImage().RawFormat;
string fileExtension = formatConverter.ConvertToString(format);
using (FileStream fileStream = File.Create(ArtifactsDir + $"Image from shape {i}.{fileExtension}"))
{
imageData.Save(fileStream);
}
}
}
//ExEnd
}
