重新绘制Bitmap对象大小C#代码样例
/// 重新绘制Bitmap对象大小C#代码样例
/// </summary>
/// <param name="bmp"></param>
/// <param name="newW"></param>
/// <param name="newH"></param>
/// <returns></returns>
public static Bitmap ResizeImage(Bitmap bmp, int newW, int newH)
{
try
{
Bitmap b = new Bitmap(newW, newH);
Graphics g = Graphics.FromImage(b);
g.InterpolationMode = InterpolationMode.HighQualityBicubic;
g.DrawImage(bmp, new Rectangle(0, 0, newW, newH), new Rectangle(0, 0, bmp.Width, bmp.Height), GraphicsUnit.Pixel);
g.Dispose();
return b;
}
catch
{
return null;
}
}
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