htmlexporter.cs

这是一个小型的相片管理器

		/// <summary>
		/// Resizes the photos to a given max size and saves them under a given quality
		/// </summary>
		private void Resize(string destPath, int width, int height, int quality, InterpolationMode intMode) {
			// create the photos directory if it doesn't exist
			if (!Directory.Exists(destPath + "\\Img"))
				Directory.CreateDirectory(destPath + "\\Img");

			FileInfo fi;
			string dest;
			int i = 0;
			Resizer resizer = new Resizer();

			foreach (Photo.Photo p in Photos) {
				fi = new FileInfo(p.Path);
				dest = destPath + "\\Img\\" + fi.Name;

				// find out if the file exists and ask if the user wishes to overwrite
				if (File.Exists(dest)) {
					if (MessageBox.Show(LsOverwrite, fi.Name, MessageBoxButtons.YesNo, MessageBoxIcon.Exclamation) == DialogResult.Yes)
						resizer.Resize(p.Path, dest, width, height, quality, intMode);
				} else
					resizer.Resize(p.Path, dest, width, height, quality, intMode);

				// update the photo's path and thumbs dir
				p.Path = dest;
				p.Thumbnail = destPath + "\\Thumbs\\th_" + fi.Name;

				Application.DoEvents();
				if (Cancel == true)
					return;

				// update the progress dialog
				ProgressUpdate(++i);
			}
		}

		/// <summary>
		/// Saves the photod with the specified quality
		/// </summary>
		private void DiffQSave(string destPath, int quality) {
			// create the photos directory if it doesn't exist
			if (!Directory.Exists(destPath + "\\Img"))
				Directory.CreateDirectory(destPath + "\\Img");

			FileInfo fi;
			string dest;
			int i = 0;
			JpegSaver js = new JpegSaver();
			bool doSave;

			foreach (Photo.Photo p in Photos) {
				fi = new FileInfo(p.Path);
				dest = destPath + "\\Img\\" + fi.Name;

				// find out if the file exists and ask if the user wishes to overwrite
				if (File.Exists(dest)) {
					if (MessageBox.Show(LsOverwrite, fi.Name, MessageBoxButtons.YesNo, MessageBoxIcon.Exclamation) == DialogResult.Yes)
						doSave = true;
					else
						doSave = false;
				} else
					doSave = true;

				if (doSave == true) {
					Image img = Bitmap.FromFile(p.Path);
					Bitmap b = new Bitmap(img);
					js.SaveJpeg(dest, b, quality);
					b.Dispose();
					img.Dispose();
				}

				// update the photo's path and thumbs dir
				p.Path = dest;
				p.Thumbnail = destPath + "\\Thumbs\\th_" + fi.Name;

				Application.DoEvents();
				if (Cancel == true)
					return;

				// update the progress dialog
				ProgressUpdate(++i);
			}
		}

		#endregion

		#region Thumbnails

		private void CreateThumbs(string destPath) {
			// check if the dir exists and create it if necessarry
			if (!Directory.Exists(destPath + "\\Thumbs"))
				Directory.CreateDirectory(destPath + "\\Thumbs");

			int i = 0;
			Photo.Resizer resizer = new Resizer();

			// create the thumbs
			foreach (Photo.Photo p in Photos) {
				if (File.Exists(p.Thumbnail)) {
					if (MessageBox.Show(LsOverwrite, p.Thumbnail, MessageBoxButtons.YesNo, MessageBoxIcon.Exclamation) == DialogResult.Yes)
						resizer.CreateThumbnailWoBorders(p.Path, p.Thumbnail);
				} else
					resizer.CreateThumbnailWoBorders(p.Path, p.Thumbnail);

				Application.DoEvents();
				if (Cancel == true)
					return;

				// update the progress dialog
				ProgressUpdate(++i);
			}
		}

		#endregion

		#region WriteHTML

		/// <summary>
		/// writes the html album's html files
		/// </summary>
		private void WriteHTML(string destPath, string mAlbName, Color bgColor, Color textColor) {
			WriteMainAlbum(destPath, mAlbName, bgColor, textColor);

			// write each photo's html file
			FileInfo fi;
			string path;
			string prev;
			string next;
			int i = 0;
			foreach (Photo.Photo p in Photos) {
				// get the names of the previous and next photos
				if (i == 0)
					prev = "";
				else {
					fi = new FileInfo(Photos[i - 1].Path);
					prev = fi.Name + ".htm";
				}
				if (i == Photos.Count - 1)
					next = "";
				else {
					fi = new FileInfo(Photos[i + 1].Path);
					next = fi.Name + ".htm";
				}

				// get the name of the current photo and write an html file for it
				fi = new FileInfo(p.Path);
				path = destPath + '\\' + fi.Name + ".htm";
				if (File.Exists(path)) {
					if (MessageBox.Show(LsOverwrite, fi.Name + ".htm", MessageBoxButtons.YesNo, MessageBoxIcon.Exclamation) == DialogResult.Yes)
						WritePhoto(path, prev, next, mAlbName, bgColor, textColor, "Img/" + fi.Name, "Thumbs/th_" + fi.Name, p.Title, p.Description);
				} else
					WritePhoto(path, prev, next, mAlbName, bgColor, textColor, "Img/" + fi.Name, "Thumbs/th_" + fi.Name, p.Title, p.Description);

				Application.DoEvents();
				if (Cancel == true)
					return;

				// update the progress dialog
				ProgressUpdate(++i);
			}
		}

		/// <summary>
		/// writes an html file for the specified photo
		/// </summary>
		private void WritePhoto(string path, string prev, string next, string mAlbum, Color bgColor, Color textColor, string photo, string thumb, string name, string desc) {
			// write the beginning of the html file
			string album = "<html><head><title>" + HttpUtility.HtmlEncode(name) + "</title><style>body {font-family:Verdana; font-color:" + ColorTranslator.ToHtml(textColor) + ";}</style></head>";
			album += "\n<body bgcolor=\"" + ColorTranslator.ToHtml(bgColor) + "\"><font color=\"" + ColorTranslator.ToHtml(textColor) + "\"><center><h3>" + HttpUtility.HtmlEncode(name) + "</h3>";

			// write the main content
			album += "<table width=100%><tr><td align=left>";
			if (prev != "")
				album += "<h4><a href=\"" + prev + "\">" + HttpUtility.HtmlEncode(LsPrev) + "</a></h4>";
			album += "</td><td align=center></td><td align=right>";
			if (next != "")
				album += "<h4><a href=\"" + next + "\">" + HttpUtility.HtmlEncode(LsNext) + "</a></h4>";
			album += "</td></tr></table><br><img src=\"" + photo + "\">";

			if (this.ExpDesc == true)
				album += "<p align=left><b>" + LsDesc + "</b><br>" + HttpUtility.HtmlEncode(desc) + "</p>";
			album += "<br><a href=\"" + mAlbum + "\">" + HttpUtility.HtmlEncode(LsThumbs) + "</a>";
			album += "<br><br>\n<h4><small><a href=\"" + URL + "\">" + HttpUtility.HtmlEncode(LsVPO) + "</a></h4></center></font></body></html>";

			StreamWriter sw = new StreamWriter(path, false);
			sw.Write(album);
			sw.Close();
		}

		/// <summary>
		/// writes the main album file
		/// </summary>
		private void WriteMainAlbum(string destPath, string mAlbName, Color bgColor, Color textColor) {
			bool writeAlbum;
			if (File.Exists(destPath + '\\' + mAlbName)) {
				if (MessageBox.Show(LsOverwrite, mAlbName, MessageBoxButtons.YesNo, MessageBoxIcon.Exclamation) == DialogResult.Yes)
					writeAlbum = true;
				else
					writeAlbum = false;
			} else
				writeAlbum = true;

			if (writeAlbum == true) {
				// write the beginning of the html file
				string album = "<html><head><title>Virtual Photo Organizer HTML Album</title><style>body {font-family:Verdana; font-color:" + ColorTranslator.ToHtml(textColor) + ";}</style></head>";
				album += "\n<body bgcolor=\"" + ColorTranslator.ToHtml(bgColor) + "\"><font color=\"" + ColorTranslator.ToHtml(textColor) + "\"><center><h3>Virtual Photo Organizer HTML Album</h3>";
				album += "\n<table>\n<tr>";

				// write the thumbnail table
				int columnCount = 0;		// counts the number of columns we have in one line
				FileInfo fi;
				foreach (Photo.Photo p in Photos) {
					// if we have 5 photos is a row insert a new row
					if (columnCount % 5 == 0 && columnCount != 0)
						album += "</tr><tr>";

					// write the column with the thumb
					fi = new FileInfo(p.Path);
					album += "<td align=center valign=bottom><a href=\"" + fi.Name + ".htm\"><img src=\"Thumbs/th_" + fi.Name + "\"><div style=\"text-align: center\">" + HttpUtility.HtmlEncode(p.Title) + "</div></a></td>";
					columnCount++;
				}

				album += "</tr></table><br><br>\n<h4><small><a href=\"" + URL + "\">" + HttpUtility.HtmlEncode(LsVPO) + "</a></h4></font></center></body></html>";

				StreamWriter sw = new StreamWriter(destPath + '\\' + mAlbName, false);
				sw.Write(album);
				sw.Close();
			}

		}

		#endregion

		private void Pd_CancelProcess() {
			Cancel = true;
		}
	}
}