Bitmap 图片旋转

发布时间：2020-12-14 04:41:19 所属栏目：大数据来源：网络整理

导读：#region 图片旋转 public static void rotating(Bitmap img,ref int width,ref int height) { int ow = width; int orien = 1; foreach (var prop in img.PropertyItems) { if (prop.Id == 0x112) { orien = prop.Value[0]; } } switch (orien) { case 2: im

#region 图片旋转 public static void rotating(Bitmap img,ref int width,ref int height) { int ow = width; int orien = 1; foreach (var prop in img.PropertyItems) { if (prop.Id == 0x112) { orien = prop.Value[0]; } } switch (orien) { case 2: img.RotateFlip(RotateFlipType.RotateNoneFlipX);//horizontal flip break; case 3: img.RotateFlip(RotateFlipType.Rotate180FlipNone);//right-top break; case 4: img.RotateFlip(RotateFlipType.RotateNoneFlipY);//vertical flip break; case 5: img.RotateFlip(RotateFlipType.Rotate90FlipX); break; case 6: img.RotateFlip(RotateFlipType.Rotate90FlipNone);//right-top width = height; height = ow; break; case 7: img.RotateFlip(RotateFlipType.Rotate270FlipX); break; case 8: img.RotateFlip(RotateFlipType.Rotate270FlipNone);//left-bottom width = height; height = ow; break; default: break; } } #endregion

（编辑：李大同）

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