旋转图片90的整数倍那真是太简单了。
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很容易就看出来,关键在于RotateFlipType参数。
实践结果如下:
顺时针旋转90度 RotateFlipType.Rotate90FlipNone
逆时针旋转90度 RotateFlipType.Rotate270FlipNone
水平翻转 RotateFlipType.Rotate180FlipY
垂直翻转 RotateFlipType.Rotate180FlipX
旋转图片90的整数倍那真是太简单了。
很容易就看出来,关键在于RotateFlipType参数。
实践结果如下:
顺时针旋转90度 RotateFlipType.Rotate90FlipNone
逆时针旋转90度 RotateFlipType.Rotate270FlipNone
水平翻转 RotateFlipType.Rotate180FlipY
垂直翻转 RotateFlipType.Rotate180FlipX