近日,Aspose.PSD for .NET更新至最新版本v19.10,新增支持包括PSD的Bicubic重采样,反转和色彩平衡调整层支持。究竟应该如何操作呢?我们一起来看一看新功能详解吧!
实施双三次重采样
重新采样意味着您应该更改图像的像素尺寸。下采样时,实际上是在消除像素,因此会从图像中删除信息和细节。向上采样时,您将添加像素并增强细节。Photoshop通过使用插值来添加这些像素。在下面的示例中,我们演示了如何通过使用.NET的Aspose.PSD来执行双三次重采样。
//在运行时添加颜色叠加层效果string dataDir = RunExamples.GetDataDir_PSD();string sourceFile = dataDir + "sample_bicubic.psd";string destNameCubicConvolution = dataDir + "ResamplerCubicConvolutionStripes_after.psd";//将现有图像加载到PsdImage类的实例中using (PsdImage image = (PsdImage)Image.Load(sourceFile)){ image.Resize(300, 300, ResizeType.CubicConvolution); image.Save(destNameCubicConvolution, new PsdOptions(image));} string destNameCatmullRom = dataDir + "ResamplerCatmullRomStripes_after.psd";//将现有图像加载到PsdImage类的实例中using (PsdImage image = (PsdImage)Image.Load(sourceFile)){ image.Resize(300, 300, ResizeType.CatmullRom); image.Save(destNameCatmullRom, new PsdOptions(image));} string destNameMitchell = "ResamplerMitchellStripes_after.psd";// 将现有图像加载到PsdImage类的实例中using (PsdImage image = (PsdImage)Image.Load(sourceFile)){ image.Resize(300, 300, ResizeType.Mitchell); image.Save(destNameMitchell, new PsdOptions(image));} string destNameCubicBSpline = "ResamplerCubicBSplineStripes_after.psd";//将现有图像加载到PsdImage类的实例中using (PsdImage image = (PsdImage)Image.Load(sourceFile)){ image.Resize(300, 300, ResizeType.CubicBSpline); image.Save(destNameCubicBSpline, new PsdOptions(image));} string destNameSinC = "ResamplerSinCStripes_after.psd";//将现有图像加载到PsdImage类的实例中using (PsdImage image = (PsdImage)Image.Load(sourceFile)){ image.Resize(300, 300, ResizeType.SinC); image.Save(destNameSinC, new PsdOptions(image));} string destNameBell = "ResamplerBellStripes_after.psd";// 将现有图像加载到PsdImage类的实例中using (PsdImage image = (PsdImage)Image.Load(sourceFile)){ image.Resize(300, 300, ResizeType.Bell); image.Save(destNameBell, new PsdOptions(image));}
色彩平衡调整层
//在运行时添加颜色叠加层效果string dataDir = RunExamples.GetDataDir_PSD();var filePath = dataDir + "ColorBalance.psd";var outputPath = dataDir + "ColorBalance_out.psd";using (var im = (FileFormats.Psd.PsdImage)Image.Load(filePath)){ foreach (var layer in im.Layers) { var cbLayer = layer as ColorBalanceAdjustmentLayer; if (cbLayer != null) { cbLayer.ShadowsCyanRedBalance = 30; cbLayer.ShadowsMagentaGreenBalance = -15; cbLayer.ShadowsYellowBlueBalance = 40; cbLayer.MidtonesCyanRedBalance = -90; cbLayer.MidtonesMagentaGreenBalance = -25; cbLayer.MidtonesYellowBlueBalance = 20; cbLayer.HighlightsCyanRedBalance = -30; cbLayer.HighlightsMagentaGreenBalance = 67; cbLayer.HighlightsYellowBlueBalance = -95; cbLayer.PreserveLuminosity = true; } } im.Save(outputPath);}
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