ImageResizeHeightProportionally Method (Int32, ResizeType) |
Namespace: Aspose.Imaging
[C#] string dir = "c:\\temp\\"; using (Aspose.Imaging.Image image = Aspose.Imaging.Image.Load(dir + "sample.gif")) { // Scale up by 2 times using Nearest Neighbour resampling. image.ResizeHeightProportionally(image.Height* 2, Aspose.Imaging.ResizeType.NearestNeighbourResample); image.Save(dir + "upsample.nearestneighbour.gif"); } using (Aspose.Imaging.Image image = Aspose.Imaging.Image.Load(dir + "sample.gif")) { // Scale down by 2 times using Nearest Neighbour resampling. image.ResizeHeightProportionally(image.Height / 2, Aspose.Imaging.ResizeType.NearestNeighbourResample); image.Save(dir + "upsample.nearestneighbour.gif"); } using (Aspose.Imaging.Image image = Aspose.Imaging.Image.Load(dir + "sample.gif")) { // Scale up by 2 times using Bilinear resampling. image.ResizeHeightProportionally(image.Height* 2, Aspose.Imaging.ResizeType.BilinearResample); image.Save(dir + "upsample.bilinear.gif"); } using (Aspose.Imaging.Image image = Aspose.Imaging.Image.Load(dir + "sample.gif")) { // Scale down by 2 times using Bilinear resampling. image.ResizeHeightProportionally(image.Height / 2, Aspose.Imaging.ResizeType.BilinearResample); image.Save(dir + "downsample.bilinear.gif"); }
[C#] // Masking export options Aspose.Imaging.ImageOptions.PngOptions exportOptions = new Aspose.Imaging.ImageOptions.PngOptions(); exportOptions.ColorType = Aspose.Imaging.FileFormats.Png.PngColorType.TruecolorWithAlpha; exportOptions.Source = new Aspose.Imaging.Sources.StreamSource(new System.IO.MemoryStream()); Aspose.Imaging.Masking.Options.MaskingOptions maskingOptions = new Aspose.Imaging.Masking.Options.MaskingOptions(); // Use GraphCut clustering. maskingOptions.Method = Masking.Options.SegmentationMethod.GraphCut; maskingOptions.Decompose = false; maskingOptions.Args = new Aspose.Imaging.Masking.Options.AutoMaskingArgs(); // The backgroung color will be transparent. maskingOptions.BackgroundReplacementColor = Aspose.Imaging.Color.Transparent; maskingOptions.ExportOptions = exportOptions; string dir = "c:\\temp\\"; using (Aspose.Imaging.RasterImage image = (Aspose.Imaging.RasterImage)Aspose.Imaging.Image.Load(dir + "BigImage.jpg")) { Aspose.Imaging.Size imageSize = image.Size; // Reducing image size to speed up the segmentation process image.ResizeHeightProportionally(600, Aspose.Imaging.ResizeType.HighQualityResample); // Create an instance of the ImageMasking class. Aspose.Imaging.Masking.ImageMasking masking = new Aspose.Imaging.Masking.ImageMasking(image); // Divide the source image into several clusters (segments). using (Aspose.Imaging.Masking.Result.MaskingResult maskingResult = masking.Decompose(maskingOptions)) { // Getting the foreground mask using (Aspose.Imaging.RasterImage foregroundMask = maskingResult[1].GetMask()) { // Increase the size of the mask to the size of the original image foregroundMask.Resize(imageSize.Width, imageSize.Height, Aspose.Imaging.ResizeType.NearestNeighbourResample); // Applying the mask to the original image to obtain a foreground segment using (Aspose.Imaging.RasterImage originImage = (Aspose.Imaging.RasterImage)Aspose.Imaging.Image.Load(dir + "BigImage.jpg")) { Aspose.Imaging.Masking.ImageMasking.ApplyMask(originImage, foregroundMask, maskingOptions); originImage.Save(dir + "BigImage_foreground.png", exportOptions); } } } }