private void TifToJpg(string strTifPath)
{
System.Drawing.Image image = System.Drawing.Image.FromFile(strTifPath); //uploadTif 中tif图形文件 //取得图片大小
System.Drawing.Size size = new System.Drawing.Size(image.Width,image.Height);
//新建一个bmp图片
System.Drawing.Image bitmap = new System.Drawing.Bitmap(size.Width, size.Height);
//新建一个画板
System.Drawing.Graphics g = System.Drawing.Graphics.FromImage(bitmap);
//设置高质量插值法
g.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.High;
//设置高质量,低速度呈现平滑程度
g.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality;
//清空一下画布
g.Clear(System.Drawing.Color.White);
//在指定位置画图
g.DrawImage(image, new System.Drawing.Rectangle(0, 0, bitmap.Width, bitmap.Height), new System.Drawing.Rectangle(0, 0, image.Width, image.Height), System.Drawing.GraphicsUnit.Pixel);
//保存高清晰度的缩略图
//bitmap.Save(strNewFilePath, System.Drawing.Imaging.ImageFormat.Tiff); //uploadTif 中tif文件 System.IO.MemoryStream ms = new System.IO.MemoryStream();
bitmap.Save(strTifPath.Substring(0,strTifPath.LastIndexOf('.') + 1) + "jpg", System.Drawing.Imaging.ImageFormat.Jpeg); g.Dispose();
image.Dispose();
bitmap.Dispose();
}在这里System.Drawing.Image image = System.Drawing.Image.FromFile(strTifPath); 报内存不足的错误,但不是图片大小的原因,因为我试了更大的图片和更小的图片都不报错,就其中一张报错,无语。
{
System.Drawing.Image image = System.Drawing.Image.FromFile(strTifPath); //uploadTif 中tif图形文件 //取得图片大小
System.Drawing.Size size = new System.Drawing.Size(image.Width,image.Height);
//新建一个bmp图片
System.Drawing.Image bitmap = new System.Drawing.Bitmap(size.Width, size.Height);
//新建一个画板
System.Drawing.Graphics g = System.Drawing.Graphics.FromImage(bitmap);
//设置高质量插值法
g.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.High;
//设置高质量,低速度呈现平滑程度
g.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality;
//清空一下画布
g.Clear(System.Drawing.Color.White);
//在指定位置画图
g.DrawImage(image, new System.Drawing.Rectangle(0, 0, bitmap.Width, bitmap.Height), new System.Drawing.Rectangle(0, 0, image.Width, image.Height), System.Drawing.GraphicsUnit.Pixel);
//保存高清晰度的缩略图
//bitmap.Save(strNewFilePath, System.Drawing.Imaging.ImageFormat.Tiff); //uploadTif 中tif文件 System.IO.MemoryStream ms = new System.IO.MemoryStream();
bitmap.Save(strTifPath.Substring(0,strTifPath.LastIndexOf('.') + 1) + "jpg", System.Drawing.Imaging.ImageFormat.Jpeg); g.Dispose();
image.Dispose();
bitmap.Dispose();
}在这里System.Drawing.Image image = System.Drawing.Image.FromFile(strTifPath); 报内存不足的错误,但不是图片大小的原因,因为我试了更大的图片和更小的图片都不报错,就其中一张报错,无语。
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