ImageSaveOptions.Scale property

Gets or sets the zoom factor for the generated images.

public float Scale { get; set; }


The default value is 1.0. The value must be greater than 0.


Shows how to render an Office Math object into an image file in the local file system.

Document doc = new Document(MyDir + "Office math.docx");

OfficeMath math = (OfficeMath)doc.GetChild(NodeType.OfficeMath, 0, true);

// Create an "ImageSaveOptions" object to pass to the node renderer's "Save" method to modify
// how it renders the OfficeMath node into an image.
ImageSaveOptions saveOptions = new ImageSaveOptions(SaveFormat.Png);

// Set the "Scale" property to 5 to render the object to five times its original size.
saveOptions.Scale = 5;

math.GetMathRenderer().Save(ArtifactsDir + "Shape.RenderOfficeMath.png", saveOptions);

Shows how to edit the image while Aspose.Words converts a document to one.

Document doc = new Document();
DocumentBuilder builder = new DocumentBuilder(doc);

builder.ParagraphFormat.Style = doc.Styles["Heading 1"];
builder.Writeln("Hello world!");
builder.InsertImage(ImageDir + "Logo.jpg");

// When we save the document as an image, we can pass a SaveOptions object to
// edit the image while the saving operation renders it.
ImageSaveOptions options = new ImageSaveOptions(SaveFormat.Png)
    // We can adjust these properties to change the image's brightness and contrast.
    // Both are on a 0-1 scale and are at 0.5 by default.
    ImageBrightness = 0.3f,
    ImageContrast = 0.7f,

    // We can adjust horizontal and vertical resolution with these properties.
    // This will affect the dimensions of the image.
    // The default value for these properties is 96.0, for a resolution of 96dpi.
    HorizontalResolution = 72f,
    VerticalResolution = 72f,

    // We can scale the image using this property. The default value is 1.0, for scaling of 100%.
    // We can use this property to negate any changes in image dimensions that changing the resolution would cause.
    Scale = 96f / 72f

doc.Save(ArtifactsDir + "ImageSaveOptions.EditImage.png", options);

See Also