private void gridMain_CellClick(object sender, ODGridClickEventArgs e)
{
//Determine if it's a folder or a file that was clicked
//If a folder, do nothing
//If a file, download a thumbnail and display it
if (gridMain.Rows[gridMain.GetSelectedIndex()].Cells[0].Text.Contains(".")) //They selected a file because there is an extension.
//Place thumbnail within odPictureox to display
{
OpenDentalCloud.Core.TaskStateThumbnail state = CloudStorage.GetThumbnail(textPath.Text, gridMain.Rows[gridMain.GetSelectedIndex()].Cells[0].Text);
if (state == null || state.FileContent == null || state.FileContent.Length < 2)
{
labelThumbnail.Visible = true;
odPictureBox.Visible = false;
}
else
{
labelThumbnail.Visible = false;
odPictureBox.Visible = true;
using (MemoryStream stream = new MemoryStream(state.FileContent)) {
_thumbnail = new Bitmap(Image.FromStream(stream));
}
odPictureBox.Image = _thumbnail;
odPictureBox.Invalidate();
}
}
else
{
labelThumbnail.Visible = false;
odPictureBox.Visible = false;
}
}
///<summary>Gets the full sized image, with settings applied from doc. Throws exceptions.</summary>
public static Bitmap GetFullImage(Document doc, string patientFolder)
{
//No need to check RemotingRole; no call to db.
string shortFileName = doc.FileName;
//If no file name associated with the document, then there cannot be a thumbnail,
//because thumbnails have the same name as the original image document.
if (shortFileName.Length < 1)
{
throw new ODException("No image file associated with document.");
}
string fullName = ODFileUtils.CombinePaths(patientFolder, shortFileName);
//If the document no longer exists, then there is no corresponding thumbnail image.
if (PrefC.AtoZfolderUsed == DataStorageType.LocalAtoZ && !File.Exists(fullName))
{
throw new ODException("No image file found for document.");
}
//If the specified document is not an image return 'not available'.
if (!ImageHelper.HasImageExtension(fullName))
{
throw new ODException("Document is not associated to an image file format.");
}
Bitmap sourceImage = null;
if (PrefC.AtoZfolderUsed == DataStorageType.LocalAtoZ)
{
sourceImage = new Bitmap(fullName);
}
else //Cloud
{
OpenDentalCloud.Core.TaskStateThumbnail state = CloudStorage.GetThumbnail(patientFolder, shortFileName);
if (state.FileContent != null)
{
using (MemoryStream stream = new MemoryStream(state.FileContent)) {
sourceImage = new Bitmap(Image.FromStream(stream));
}
}
else
{
sourceImage = new Bitmap(1, 1);
}
}
Bitmap fullImage = ImageHelper.ApplyDocumentSettingsToImage(doc, sourceImage, ImageSettingFlags.ALL);
sourceImage.Dispose();
return(fullImage);
}
///<summary>Returns null if the the image could not be downloaded. Sychronous.</summary>
public static Bitmap GetThumbnail(string imagePath, int size = 128)
{
if (CloudStorage.IsCloudStorage)
{
OpenDentalCloud.Core.TaskStateThumbnail state = CloudStorage.GetThumbnail(Path.GetDirectoryName(imagePath), Path.GetFileName(imagePath));
if (state == null || state.FileContent == null || state.FileContent.Length < 2)
{
return(null);
}
using (MemoryStream stream = new MemoryStream(state.FileContent)) {
return(ImageHelper.GetThumbnail(Image.FromStream(stream), size));
}
}
//Not cloud
return(ImageHelper.GetThumbnail(Image.FromFile(imagePath), size));
}
///<summary>Gets the corresponding thumbnail image for the given document object. The document is expected to be an image, and a 'not available' image is returned if the document is not an image. The thumbnail for every document is in a folder named 'thumbnails' within the same directly level.</summary>
public static Bitmap GetThumbnail(Document doc, string patFolder, int size)
{
//No need to check RemotingRole; no call to db.
string shortFileName = doc.FileName;
//If no file name associated with the document, then there cannot be a thumbnail,
//because thumbnails have the same name as the original image document.
if (shortFileName.Length < 1)
{
return(NoAvailablePhoto(size));
}
string fullName = ODFileUtils.CombinePaths(patFolder, shortFileName);
//If the document no longer exists, then there is no corresponding thumbnail image.
if (PrefC.AtoZfolderUsed == DataStorageType.LocalAtoZ && !File.Exists(fullName))
{
return(NoAvailablePhoto(size));
}
//If the specified document is not an image return 'not available'.
if (!ImageHelper.HasImageExtension(fullName))
{
return(NoAvailablePhoto(size));
}
//Create Thumbnails folder if it does not already exist for this patient folder.
string thumbPath = ODFileUtils.CombinePaths(patFolder, "Thumbnails");
if (PrefC.AtoZfolderUsed == DataStorageType.LocalAtoZ && !Directory.Exists(thumbPath))
{
try {
Directory.CreateDirectory(thumbPath);
}
catch {
throw new ApplicationException(Lans.g("Documents", "Error: Could not create 'Thumbnails' folder for patient: ") + thumbPath);
}
}
string thumbFileExt = Path.GetExtension(shortFileName);
string thumbCoreFileName = shortFileName.Substring(0, shortFileName.Length - thumbFileExt.Length);
string thumbFileName = ODFileUtils.CombinePaths(new string[] { patFolder, "Thumbnails",
thumbCoreFileName + "_" + size + thumbFileExt });
//Use the existing thumbnail if it already exists and it was created after the last document modification.
if (PrefC.AtoZfolderUsed == DataStorageType.LocalAtoZ && File.Exists(thumbFileName))
{
try {
DateTime thumbModifiedTime = File.GetLastWriteTime(thumbFileName);
if (thumbModifiedTime > doc.DateTStamp)
{
return((Bitmap)Bitmap.FromFile(thumbFileName));
}
}
catch (Exception) {
try {
File.Delete(thumbFileName); //File may be invalid, corrupted, or unavailable. This was a bug in previous versions.
}catch (Exception) {
//we tried our best, and it just wasn't good enough
}
}
}
//Add thumbnail
Bitmap thumbBitmap;
//Gets the cropped/flipped/rotated image with any color filtering applied.
Bitmap sourceImage = null;
try {
if (PrefC.AtoZfolderUsed == DataStorageType.LocalAtoZ)
{
sourceImage = new Bitmap(fullName);
}
else //Cloud
{
OpenDentalCloud.Core.TaskStateThumbnail state = CloudStorage.GetThumbnail(patFolder, shortFileName);
if (state.FileContent != null)
{
using (MemoryStream stream = new MemoryStream(state.FileContent)) {
sourceImage = new Bitmap(Image.FromStream(stream));
}
}
else
{
sourceImage = new Bitmap(1, 1);
}
}
}
catch {
return(NoAvailablePhoto(size));
}
Bitmap fullImage = ImageHelper.ApplyDocumentSettingsToImage(doc, sourceImage, ImageSettingFlags.ALL);
sourceImage.Dispose();
thumbBitmap = ImageHelper.GetThumbnail(fullImage, size);
fullImage.Dispose();
if (PrefC.AtoZfolderUsed == DataStorageType.LocalAtoZ) //Only save thumbnail to local directory if using local AtoZ
{
try {
thumbBitmap.Save(thumbFileName);
}
catch {
//Oh well, we can regenerate it next time if we have to!
}
}
return(thumbBitmap);
}
