SKImageInfo SKImageRasterReleaseDelegate SKImageTextureReleaseDelegate SKJpegEncoderAlphaOption SKJpegEncoderDownsample SKJpegEncoderOptions SKLattice SKLatticeRectType SKManagedPixelSerializer SKManagedStream SKManagedWStream SKMask SKMaskFilter SKMaskFormat ...
FromEncodedData(Stream) Creates a new image from an encoded image stream. FromEncodedData(String) Creates a new image from an encoded image file. FromPicture(SKPicture, SKSizeI, SKMatrix, SKPaint) Creates a new image from the providedSKPicture. ...
若要將名為 的物件儲存SKBitmap到使用者相片庫,您也需要名為 imageFormat 和的列舉成員SKEncodedImageFormat(若為遺失格式)整數qualitybitmap變數。 您可以使用下列程式代碼,將該點陣圖儲存到資料夾中名稱 filename 為的folder 檔案:C# 複製 using (MemoryStream memStream = new MemoryStream()) using (SK...
; bitmaps[frame] =newSKBitmap(imageInfo);// Get the address of the pixels in that bitmapIntPtr pointer = bitmaps[frame].GetPixels();// Create an SKCodecOptions value to specify the frameSKCodecOptions codecOptions =newSKCodecOptions(frame,false);// Copy pixels from the frame into the ...
Typeface = SKTypeface.FromFamilyName("Microsoft YaHei", SKFontStyle.Bold) };intx =30;inty =30; canvas.DrawText("hello world!!!", x, y * (1.2f), paint);using(varimage = SKImage.FromBitmap(bmp)) {using(varwriteStream = File.OpenWrite(filepath)) ...
Stream=newSKManagedStream(input);usingvaroriginal=SKBitmap.Decode(inputStream);using(varresized=original.Resize(newSKImageInfo(width,height),SKFilterQuality.Medium)){if(resized==null)return"";usingvarimage=SKImage.FromBitmap(resized);usingvaroutput=System.IO.File.OpenWrite(FileThumbnailPath);image....
using(varoriginal=SKBitmap.Decode(inputStream)) 之后重新设置图片的尺寸,也就是完成缩略处理: 代码语言:javascript 复制 using(varresized=original.Resize(newSKImageInfo(width,height),SKBitmapResizeMethod.Lanczos3)){if(resized==null)return"";using(varimage=SKImage.FromBitmap(resized)){using(varoutput=...
imageText = imageText.Trim(' ');//去除空格信息 String temp2 = imageText.Substring(0, 1);//根据第一位的数据判断是走英文规则还是中文规则,都不是的话就是取前两位 if (RegexLib.IsChineseCharacter(temp2)) { //UserName = UserName.Trim(' '); ...
img.Save(stream, ImageFormat.Jpeg); byte[] b = stream.ToArray(); return Convert.ToBase64String(stream.ToArray()); } ///在随机位置画背景点 //for (int i = 0; i < 100; i++) //{ // int x = random.Next(img.Width); // int y = random.Next(img.Height); // g.DrawRectang...
Flush(); canvas.Save(); using (var image = SKImage.FromBitmap(bitmap)) using (var data = image.Encode(SKImageEncodeFormat.Png, 80)) { // save the data to a stream using (var stream = File.OpenWrite("image.png")) { data.SaveTo(stream); } } 但我得到的只是一张空图像。