private void SetTextBoxHeight(TextFilePreviewOptions options)
{
var s = "";
for (int i = 0; i < options.NrOfTextRowsForTextPreview; i++)
{
s += "Å" + Environment.NewLine;
}
var a = TextRenderer.MeasureText(s, options.TextPreviewer.Font, new Size(10, 1024));
options.TextPreviewer.Height = a.Height + options.TextPreviewer.Padding.Top + options.TextPreviewer.Padding.Bottom + SystemInformation.VerticalScrollBarWidth + 5;
}
public void ShowDisplay(string key, TextFilePreviewOptions options)
{
if (_currentlyLoading.Equals(key) && Visible)
{
return;
}
_currentOptions = options;
_currentlyLoading = key;
Visible = true;
Loading(true);
SetTextBoxHeight(options);
Task.Run(() => ShowOrCreateDisplay(key, options));
}
private Image CreateDisplay(TextFilePreviewOptions options)
{
_currentOptions = options;
var renderer = new TextDataVisualizer(options);
renderer.TextColor = options.TextColor;
renderer.WhiteSpaceColor = options.WhiteSpaceColor;
renderer.Render();
var bitmap = GetBitmapFromSource(renderer.Bitmap);
return(bitmap);
}
public TextDataVisualizer(TextFilePreviewOptions options)
{
TextVisual = new DrawingVisual();
_postColoring = options.DateaWrapperService?.LogFileAnalyzer?.AnalyzerResults;
_textView = options.DateaWrapperService;
_bmpStride = (_bmpWidth * _pixelFormat.BitsPerPixel + 7) / 8;
_bmpHeight = 0;
_bmpWidth = options.PreviewImageWidth;
_bmpPixels = null;
_stride = _bmpStride;
_width = _bmpWidth;
_height = _bmpHeight;
_pixels = null;
_lineRatio = 1.0;
}
private bool ShowOrCreateDisplay(string key, TextFilePreviewOptions options)
{
if (!_displays.ContainsKey(key))
{
Image img = null;
if (options.DateaWrapperService.Lines.Count != 0)
{
img = CreateDisplay(options);
}
_displays[key] = img;
}
Invoke(new Action(() =>
{
ShowDisplay(_displays[key]);
Loading(false);
}));
return(true);
}
