public void CopyTo(ThumbnailMonitorContext target) {
target.MonitorTargetPath = this.MonitorTargetPath;
target.ThumbnailSize = this.ThumbnailSize;
target.KeepOriginalSize = this.KeepOriginalSize;
target.KeepAspect = this.KeepAspect;
target.HighQuality = this.HighQuality;
target.OutputPath = this.OutputPath;
target.PostResizeMethod = this.PostResizeMethod;
target.BackgroundColorARGB = this.BackgroundColorARGB;
target.OutputFilenameFormat = this.OutputFilenameFormat;
target.FilenameNextNumber = this.FilenameNextNumber;
target.OutputFileExtension = this.OutputFileExtension;
target.LastCheckFilePath = this.LastCheckFilePath;
target.TargetLastWriteTime = this.TargetLastWriteTime;
}
void saveThumbnail(ThumbnailMonitorContext context) {
// サムネイル取得、保存
string inputPath = context.MonitorTargetPath;
string outputPath = context.AbsoluteOutputPath;
string extension = context.OutputFileExtension;
Size size = context.ThumbnailSize;
PostResizeMethod resizeMethod = context.PostResizeMethod;
FileInfo fileInfo = new FileInfo(inputPath);
string savePath = context.GenerateNextSavePath(fileInfo.LastWriteTime);
var format = Syego.Common.Miscs.GetImageFormatFromFileExtension(extension);
updateState("サムネイルを取得しています...");
Bitmap outputBitmap;
using (Image rawImage = ThumbnailExtractor.GetThumbnailImage(
inputPath,
context.ThumbnailSize,
context.KeepOriginalSize,
context.KeepAspect,
context.HighQuality)) {
Size outputSize;
Rectangle renderRect;
switch (resizeMethod) {
case PostResizeMethod.NoResize:
outputSize = rawImage.Size;
renderRect = new Rectangle(Point.Empty, outputSize);
break;
case PostResizeMethod.Inscribe:
outputSize = Syego.Common.Miscs.GetInscribedRectSize(context.ThumbnailSize, rawImage.Size);
renderRect = new Rectangle(Point.Empty, outputSize);
break;
case PostResizeMethod.InscribeAndAddMargin:
outputSize = context.ThumbnailSize;
renderRect = Syego.Common.Miscs.GetInternalContactRect(
new Rectangle(Point.Empty, context.ThumbnailSize), rawImage.Size);
break;
case PostResizeMethod.ForceResize:
outputSize = context.ThumbnailSize;
renderRect = new Rectangle(Point.Empty, outputSize);
break;
default:
throw new NotImplementedException();
}
outputBitmap = new Bitmap(outputSize.Width, outputSize.Height, PixelFormat.Format32bppArgb);
using (Graphics g = Graphics.FromImage(outputBitmap)) {
g.InterpolationMode = System.Drawing.Drawing2D.InterpolationMode.Bicubic;
g.PixelOffsetMode = System.Drawing.Drawing2D.PixelOffsetMode.HighQuality;
g.Clear(Color.FromArgb(context.BackgroundColorARGB));
g.DrawImage(rawImage, renderRect, new Rectangle(0, 0, rawImage.Width, rawImage.Height), GraphicsUnit.Pixel);
}
}
outputBitmap.Save(savePath, format);
updateThumbnailImage(outputBitmap);
updateState("サムネイルを保存しました : " + Path.GetFileName(savePath) + " (" + outputBitmap.Width + "x" + outputBitmap.Height + ")");
context.LastCheckFilePath = fileInfo.FullName;
context.TargetLastWriteTime = fileInfo.LastWriteTime;
return;
}
void checkThumbnail(ThumbnailMonitorContext context) {
_lastCheckTime = DateTime.Now;
// ファイルが存在しない場合は停止
if (!File.Exists(context.MonitorTargetPath)) {
stopInternally();
updateState("監視対象ファイルを見失ったため監視を停止しました", true);
return;
}
FileInfo fileInfo = new FileInfo(context.MonitorTargetPath);
// ファイルに更新が無い場合は無視
if ((fileInfo.FullName == context.LastCheckFilePath) &&
(fileInfo.LastWriteTime == context.TargetLastWriteTime)) {
updateState("前回からの変更は見つかりませんでした");
return;
}
saveThumbnail(context);
}
