private void ShowImage()
{
using var Trace = new Trace(); //This c# 8.0 using feature will auto dispose when the function is done.
try
{
string lastimage = "";
if (this._imageRes == null && this.Cam.ImageResolutions.Count > 0)
{
this._imageRes = this.Cam.ImageResolutions[0];
}
if (this._imageRes != null)
{
lastimage = this._imageRes.LastFileName;
}
//first check for saved image in cameras folder. If doesn't exist load the last camera image.
if (this.pbMaskImage.Tag == null || !string.Equals(this.pbMaskImage.Tag.ToString(), lastimage, StringComparison.OrdinalIgnoreCase))
{
this.pbMaskImage.Tag = lastimage;
if ((!string.IsNullOrWhiteSpace(lastimage)) && (File.Exists(lastimage)))
{
this._cameraLayer = new Bitmap(lastimage);
//merge layer if masks exist
if (File.Exists(this._maskfilename))
{
using (Bitmap maskLayer = new Bitmap(this._maskfilename))
{
this.pbMaskImage.Image = this.MergeBitmaps(this._cameraLayer, maskLayer);
this._transparentLayer = new Bitmap(this.AdjustImageOpacity(maskLayer, 2f)); // create new bitmap here to prevent file locks and increase to 100% opacity
}
}
else //if there are no masks
{
this.pbMaskImage.Image = new Bitmap(this._cameraLayer);
this._transparentLayer = new Bitmap(this.pbMaskImage.Image.Width, this.pbMaskImage.Image.Height, PixelFormat.Format32bppPArgb);
}
}
else
{
//lbl_imagefile.ForeColor = Color.Gray;
//this.Text += " (Missing)";
}
}
this.pbMaskImage.Refresh();
}
catch (Exception ex)
{
Log("Error: " + ex.Msg());
}
}
public bool UpdateImageResolutions(ClsImageQueueItem CurImg)
{
bool ret = false;
if (!CurImg.IsValid())
{
return(ret);
}
lock (CamLock)
{
ImageResItem newri = new ImageResItem(CurImg);
int idx = this.ImageResolutions.IndexOf(newri);
bool updated = false;
if (idx > -1)
{
if (CurImg.TimeCreated > this.ImageResolutions[idx].LastSeenDate)
{
updated = true;
this.ImageResolutions[idx].LastFileName = CurImg.image_path;
this.ImageResolutions[idx].LastSeenDate = CurImg.TimeCreated;
this.ImageResolutions[idx].LastFileSize = CurImg.FileSize;
this.ImageResolutions[idx].LastFileDPI = CurImg.DPI;
this.ImageResolutions[idx].Count++;
}
}
else
{
ret = true;
this.ImageResolutions.Add(newri);
}
//sort so most recent is at top of list
if (ret || updated)
{
this.ImageResolutions = this.ImageResolutions.OrderByDescending(x => x.LastSeenDate).ToList();
}
}
return(ret);
}
private void UpdateRes()
{
using var Trace = new Trace(); //This c# 8.0 using feature will auto dispose when the function is done.
cbResolution.Items.Clear();
foreach (ImageResItem res in this.Cam.ImageResolutions)
{
cbResolution.Items.Add(res);
}
if (cbResolution.Items.Count > 0)
{
cbResolution.SelectedIndex = 0;
if (cbResolution.SelectedValue != null)
{
this._imageRes = (ImageResItem)cbResolution.SelectedValue;
}
}
}
public string GetMaskFile(bool MustExist, ClsImageQueueItem CurImg = null, ImageResItem ir = null)
{
string ret = "";
lock (CamLock)
{
try
{
String resstr = "";
if (CurImg != null)
{
resstr = $"_{CurImg.Width}x{CurImg.Height}";
}
else if (ir == null && this.ImageResolutions.Count > 0)
{
ir = this.ImageResolutions[0]; //the first one should be the most recent image processed because of the sort.
resstr = $"_{ir.Width}x{ir.Height}";
}
else if (ir != null)
{
resstr = $"_{ir.Width}x{ir.Height}";
}
string CamMaskFile = "";
if (!string.IsNullOrEmpty(this.MaskFileName))
{
if (this.MaskFileName.Contains("\\") && this.MaskFileName.Contains("."))
{
CamMaskFile = this.MaskFileName;
}
else if (this.MaskFileName.Contains("."))
{
CamMaskFile = Path.Combine(Path.GetDirectoryName(AppSettings.Settings.SettingsFileName), $"{this.MaskFileName}");
}
else
{
CamMaskFile = Path.Combine(Path.GetDirectoryName(AppSettings.Settings.SettingsFileName), $"{this.MaskFileName}.bmp");
}
//Add WidthxHeight to filename
string ResFile = Path.Combine(Path.GetDirectoryName(CamMaskFile), $"{Path.GetFileNameWithoutExtension(CamMaskFile)}{resstr}.bmp");
bool resempty = string.IsNullOrEmpty(resstr);
bool cammaskexist = File.Exists(CamMaskFile);
bool resexist = File.Exists(ResFile);
if (!resempty && cammaskexist && !Path.GetFileName(CamMaskFile).Contains("_") && !resexist)
{
//lets rename it to appropriate ResFile name
string tmpresstr = "";
using (FileStream fileStream = new FileStream(CamMaskFile, FileMode.Open, FileAccess.Read))
{
using Image img = Image.FromStream(fileStream, false, false);
tmpresstr = $"_{img.Width}x{img.Height}";
}
if (tmpresstr == resstr)
{
AITOOL.Log($"Debug: Renaming mask file from '{CamMaskFile}' to '{ResFile}'...");
File.Move(CamMaskFile, ResFile);
}
else
{
AITOOL.Log($"Debug: Cannot rename mask file because it does not match the current image resolution of '{resstr}' (!={tmpresstr}): MaskFile='{CamMaskFile}'...");
}
}
else
{
//AITOOL.Log($"Debug: ResEmpty={resempty}, CamMaskExist={cammaskexist}, ResMaskFileExist={resexist}, CurRes={resstr}, MaskRes={resstr}, CamMaskFile='{CamMaskFile}', ResMaskFile={ResFile}...");
}
if (MustExist)
{
if (File.Exists(ResFile))
{
return(ResFile);
}
else
{
return("");
}
}
else
{
return(ResFile);
}
}
}
catch (Exception ex)
{
AITOOL.Log("Error: " + ex.Msg());
}
}
return(ret);
}