中 // 通常情况下,你会直接保存SKBitmap,如方法一所示 } 注意:在方法二中,从SKBitmap到SKImage的转换主要是为了展示如何处理SKImage对象,但在将SKBitmap保存为PNG的上下文中,这一步是多余的。通常,你会直接使用SKBitmap的Encode和SaveTo方法来保存文件,如方法一所示。 综上所述,对于大多数将SKBitmap保存为...
public partial class SaveFileFormatsPage : ContentPage { SKBitmap bitmap = BitmapExtensions.LoadBitmapResource(typeof(SaveFileFormatsPage), "SkiaSharpFormsDemos.Media.MonkeyFace.png"); public SaveFileFormatsPage () { InitializeComponent (); } void OnCanvasViewPaintSurface(object sender, SKPaintSurface...
SKBitmap bitmap = new SKBitmap((int) _canvasView.Width, (int) _canvasView.Height); SKCanvas canvas = new SKCanvas(bitmap); //Draw on canvas from stored commands DrawPath, etc. //Get the file to store to. Then save the bitmap to file. using (Stream s = await file.OpenAsync(...
SKHorizontalRunBuffer SkiaExtensions SkiaSharpVersion SKImage SKImage 屬性 方法 ApplyImageFilter 建立 Dispose 編碼 FromAdoptedTexture FromBitmap FromEncodedData FromPicture FromPixelCopy FromPixelData FromPixels FromTexture IsValid PeekPixels ReadPixels ScalePixels Subset ToRasterImage ToShader ToTextureImage SKI...
stringfilePath ="path/to/image.png";// 图像文件的路径// 使用SKBitmap加载原始图像SKBitmap originalBitmap = SKBitmap.Decode(filePath); 计算缩放后的目标尺寸: inttargetHeight =600;// 目标高度// 计算缩放后的目标宽度,保持纵横比floataspectRatio = (float)originalBitmap.Height / originalBitmap.Wid...
(createQrCode,skImageInfo.Width,skImageInfo.Height);using(varimage=surface.Snapshot())// 获取画布快照using(vardata=image.Encode(SKEncodedImageFormat.Png,100))// 编码画布快照为PNG格式的数据using(varstream=File.OpenWrite(@"MyQRCode.png")){data.SaveTo(stream);// 将数据保存到文件流中,生成...
在.Net Core下，没有可以支持跨平台的Drawing类库，官网提供的Common.Drawing只能在Windows下使用，那么在...
(createQrCode,skImageInfo.Width,skImageInfo.Height);using(var image=surface.Snapshot())// 获取画布快照using(vardata=image.Encode(SKEncodedImageFormat.Png,100))// 编码画布快照为PNG格式的数据using(var stream=File.OpenWrite(@"MyQRCode.png")){data.SaveTo(stream);// 将数据保存到文件流中,生成...
Description SKBitmap.SetPixel function treating color type rgba8888 as bgra8888, while color type bgra8888 works correctly. Code SKBitmap testbmp = new SKBitmap(new SKImageInfo(32,32,SKColorType.Rgba8888,SKAlphaType.Premul)); testbmp.Set...
SKPixelSerializer SKPixmap SKPixmap 构造函数 属性 方法 SKPMColor SKPngEncoderFilterFlags SKPngEncoderOptions SKPoint SKPoint3 SKPointI SKPointMode SKPositionedRunBuffer SKRect SKRectI SKRegion SKRegion.ClipIterator SKRegion.RectIterator SKRegion.SpanIterator ...