private void updatePreview()
{
if ((_currentFormatPreset == FormatPreset.Original) && (_currentResolutionPreset == ResolutionPreset.Original))
{
Optimized = Original;
}
else
{
if (_currentFormatPreset.FormatName == "PNG")
{
Optimized = Original.GenerateOptimized_PNG(_currentFormatPreset.ColorDepth, _currentResolutionPreset);
}
else if (_currentFormatPreset.FormatName == "JPG")
{
Optimized = Original.GenerateOptimized_JPEG(_currentFormatPreset.QualityLevel, _currentResolutionPreset);
}
else
{
// Original format, but scaled
Optimized = Original.GenerateOptimized_JPEG(100, _currentResolutionPreset);
}
}
pbOptimized.Image = Optimized.Image;
pbOptimized.MaximumSize = new Size(Optimized.Width, Optimized.Height);
lblOptimizedImage.Text = "Optimized Image: " + Optimized.GetShortInfo();
if (OptimizedChanged != null)
{
OptimizedChanged(this, new EventArgs());
}
}
public ImageWorkUI(string imageFile, XmlNode relationshipXmlNode) : this()
{
Original = new ImageWithInfo(imageFile);
Optimized = Original;
this.RelationshipNode = relationshipXmlNode;
// Automatic recommendation - set the upper max resolution to 1600x900 and change to 80% JPEG
if ((Original.Width > 1600) || (Original.Height > 900))
{
_currentResolutionPreset = ResolutionPreset.ComboBoxOptions.First(opt => (opt.Width == 1600) && (opt.Height == 900));
_currentFormatPreset = FormatPreset.ComboBoxOptions.First(opt => (opt.FormatName == "JPG") && (opt.QualityLevel == 80));
}
cbResolutions.SelectedItem = _currentResolutionPreset;
// Automatic recommendation - if pixel-byte density is higher than 20% and the format is PNG, convert to a 70% JPG
if ((Original.BytesPerPixel > 0.2) && (Original.Type == ImageWithInfo.ImageTypes.Png) && (_currentFormatPreset == FormatPreset.Original))
{
_currentFormatPreset = FormatPreset.ComboBoxOptions.First(opt => (opt.FormatName == "JPG") && (opt.QualityLevel == 70));
}
// If we're scaling a JPG, try to preserve the quality (use 80% instead of 70%)
//if ((_currentResolutionPreset != ResolutionPreset.Original) && (Original.Type == ImageWithInfo.ImageTypes.Jpg))
//{
// _currentFormatPreset = FormatPreset.ComboBoxOptions.First(opt => (opt.FormatName == "JPG") && (opt.QualityLevel == 80));
//}
cbFormats.SelectedItem = _currentFormatPreset;
// Set up originals
pbOriginal.Image = Original.Image;
pbOptimized.Image = Original.Image; // This will get updated with the optimized image when initialization is done
pbOriginal.MaximumSize = new Size(Original.Width, Original.Height);
pbOptimized.MaximumSize = pbOriginal.MaximumSize;
int[] scaledSizes = Original.GetScaledSizeFromWidth(pbOriginal.Size.Width);
pbOriginal.Size = new Size(scaledSizes[0], scaledSizes[1]);
pbOptimized.Size = new Size(scaledSizes[0], scaledSizes[1]);
// Populate info about the original file
lblOriginalImage.Text = "Original Image: " + Original.GetShortInfo();
// Finished
Initialized = true;
}