/// <summary>
/// 显示压缩结果信息
/// </summary>
/// <param name="result">文件压缩结果信息</param>
private void WriteResult(FileCompressResult result)
{
UIHelper.RenderOnUIThread(this, () =>
{
ListViewItem lvItem = new ListViewItem(result.FileName_Before)
{
ForeColor = Color.White
};
lvItem.SubItems.Add(Bytes2Kb(result.FileSize_Before));
lvItem.SubItems.Add(Bytes2Kb(result.FileSize_After));
if (result.Success)
{
lvItem.BackColor = Color.DarkGreen;
lvItem.SubItems.Add("成功。" + result.ResultMessage);
this.lblSuccessCount.Text = (Convert.ToInt32(this.lblSuccessCount.Text) + 1).ToString();
}
else
{
lvItem.BackColor = Color.Red;
lvItem.SubItems.Add("失败。" + result.ResultMessage);
this.lblFailCount.Text = (Convert.ToInt32(this.lblFailCount.Text) + 1).ToString();
}
this.lvFileCompressResult.Items.Add(lvItem);
this.ScrollToItem(this.lvFileCompressResult, this.lvFileCompressResult.Items.Count - 1);
});
}
/// <summary>
/// 压缩文件
/// </summary>
private void CompressFiles()
{
List <Button> enableBtns = new List <Button>()
{
this.btnStartCompress, this.btnClear
};
this.EnableButton(enableBtns, false);
foreach (var waitCompressFile in this.arrWaitCompressFiles)
{
if (!File.Exists(waitCompressFile.FileName))
{
continue;
}
FileInfo waitCompressFileInfo = new FileInfo(waitCompressFile.FileName);
FileCompressResult result = new FileCompressResult(waitCompressFile.FileName, waitCompressFileInfo.Length);
try
{
string relativeFileName = waitCompressFile.FileName.Substring(waitCompressFile.DirectoryName.TrimEnd('\\').Length + 1);
string saveFileName = Path.Combine(this.saveFolderPath, relativeFileName);
string extensionName = Path.GetExtension(saveFileName).TrimStart('.');
string extensionNameNew = extensionName;
if (arrExtName_Image_To_Jpg.Contains(extensionName, StringComparer.OrdinalIgnoreCase))
{
extensionNameNew = "jpg";
}
else if (arrExtName_Video_To_Mp4.Contains(extensionName, StringComparer.OrdinalIgnoreCase))
{
extensionNameNew = "mp4";
}
saveFileName = Path.Combine(Path.GetDirectoryName(saveFileName), Path.GetFileNameWithoutExtension(saveFileName) + "." + extensionNameNew);
string saveDirPath = Path.GetDirectoryName(saveFileName);
if (!Directory.Exists(saveDirPath))
{
Directory.CreateDirectory(saveDirPath);
}
result.FileName_After = saveFileName;
this.WriteMessage(string.Format("正在压缩文件:{0}", waitCompressFileInfo.Name));
bool compressSuccessed;
if (width > 0 || height > 0)
{
// 需要缩放压缩
if (width <= 0 || height <= 0)
{
Image img = Image.FromFile(waitCompressFile.FileName);
if (width <= 0)
{
if (changeType == 1)
{
width = img.Width * height / img.Height;
}
else
{
width = img.Width;
}
}
if (height <= 0)
{
if (changeType == 1)
{
height = img.Height * width / img.Width;
}
else
{
height = img.Height;
}
}
}
compressSuccessed = FFmpegHelper.CompressFile(FFmpegPath, width, height, waitCompressFile.FileName, saveFileName);
}
else
{
compressSuccessed = FFmpegHelper.CompressFile(FFmpegPath, waitCompressFile.FileName, saveFileName);
}
result.Success = compressSuccessed && File.Exists(saveFileName);
if (result.Success)
{
result.FileSize_After = new FileInfo(saveFileName).Length;
}
this.WriteResult(result);
}
catch (Exception ex)
{
result.Success = false;
result.ResultMessage = "处理时发生异常：" + ex.Message;
this.WriteResult(result);
}
}
this.WriteMessage("压缩完成");
this.EnableButton(enableBtns, true);
}