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我是 itextsharp 的新手,当我在现有 PDF 中获取图像(比如原始图像大小为 1000 X 40,缩放图像大小为 20 X 20)时,当我检索它时,它会得到原始大小。
你如何获得调整大小的图像尺寸(20 X 20)?