/// <summary>
/// Saves the mapping of the original RGB colors to modified ARGB colors to file.
/// </summary>
private void SaveMapping()
{
var map = new AlphaRemappingTable();
foreach (var colorMapping in colorMappingTable)
{
if (colorMapping.Key != colorMapping.Value)
{
map.AddMapping(
new RgbColor(colorMapping.Key.R, colorMapping.Key.G, colorMapping.Key.B),
new ArgbColor(colorMapping.Value.A, colorMapping.Value.R, colorMapping.Value.G, colorMapping.Value.B));
}
}
var mapFilePath = Path.ChangeExtension(filePath, AlphaRemappingTable.FileExtension);
if (map.SaveMap(mapFilePath))
{
MessageBox.Show(this, "Lookup mapping saved to '" + mapFilePath + "'",
"Mapping Saved", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
else
{
MessageBox.Show(this, "Source and destination colors match. Mapping file '" + mapFilePath + "' deleted.",
"Mapping Deleted", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
changed = false;
}
/// <summary>
/// Builds the color mapping by adding all colors in the given table, and also resolving lookups according to the given alpha map.
/// </summary>
/// <param name="colorTable">The colors that should be added to the current lookup mapping.</param>
/// <param name="alphaMap">The alpha mapping that specifies new ARGB colors that should replace any given RGB colors in the color
/// table.</param>
private void BuildColorMap(ArgbColor[] colorTable, AlphaRemappingTable alphaMap)
{
foreach (ArgbColor sourceArgbColor in colorTable)
{
if (sourceArgbColor.A == 255)
{
var sourceRgbColor = (RgbColor)sourceArgbColor;
var sourceColor = Color.FromArgb(sourceRgbColor.ToArgb());
if (!colorMappingTable.ContainsKey(sourceColor))
{
if (!alphaMap.TryGetMapping(sourceRgbColor, out ArgbColor desiredArgbColor))
{
desiredArgbColor = sourceArgbColor;
}
colorMappingTable.Add(sourceColor, Color.FromArgb(desiredArgbColor.ToArgb()));
}
}
}
}
/// <summary>
/// Raised when a new index is selected from ImageSelector.
/// Loads the GIF file of that filename.
/// </summary>
/// <param name="sender">The source of the event.</param>
/// <param name="e">The event data.</param>
private void ImageSelector_SelectedIndexChanged(object sender, EventArgs e)
{
if (!SavePrompt())
{
return;
}
var wasPlaying = Indexer.Playing;
Indexer.Playing = false;
loaded = false;
changed = false;
filePath = Path.Combine(filesPath, (string)ImageSelector.Items[ImageSelector.SelectedIndex]);
if (gifImage != null)
{
foreach (GifFrame <Bitmap> frame in gifImage.Frames)
{
frame.Image.Dispose();
}
}
if (desiredFrames != null)
{
foreach (Bitmap frame in desiredFrames)
{
frame.Dispose();
}
}
gifImage = null;
frameIndex = -1;
desiredFrames = null;
ImageComparison.Panel1.BackgroundImage = null;
ImageComparison.Panel2.BackgroundImage = null;
ImageSourceColor.BackColor = Color.Transparent;
ImageDesiredColor.BackColor = Color.Transparent;
ImageSourcePalette.BackColor = PaletteControls.BackColor;
ImageDesiredPalette.BackColor = PaletteControls.BackColor;
ImageSourcePalette.Controls.Clear();
ImageDesiredPalette.Controls.Clear();
foreach (Panel panel in sourceSwatches)
{
panel.Dispose();
}
foreach (Panel panel in desiredSwatches)
{
panel.Dispose();
}
sourceSwatches.Clear();
desiredSwatches.Clear();
SourceAlphaCode.ResetText();
SourceColorCode.ResetText();
DesiredAlphaCode.ResetText();
DesiredColorCode.ResetText();
FrameControls.Enabled = false;
PaletteControls.Enabled = false;
ColorControls.Enabled = false;
ErrorLabel.Visible = false;
currentColor = Color.Empty;
FileStream gifStream = null;
try
{
gifStream = new FileStream(filePath, FileMode.Open, FileAccess.Read, FileShare.Read);
gifImage = GifImage.OfBitmap(gifStream);
}
catch (Exception)
{
Console.WriteLine("An error occurred attempting to load the file: " + filePath);
ShowError("An error occurred attempting to load this file.");
return;
}
finally
{
if (gifStream != null)
{
gifStream.Dispose();
}
}
Indexer.UseTimingsFrom(gifImage);
var map = new AlphaRemappingTable();
var mapFile = Path.ChangeExtension(filePath, AlphaRemappingTable.FileExtension);
if (File.Exists(mapFile))
{
map.LoadMap(mapFile);
}
colorMappingTable.Clear();
foreach (var frame in gifImage.Frames)
{
BuildColorMap(frame.GetColorTable(), map);
}
sourceSwatches.Capacity = colorMappingTable.Count;
desiredSwatches.Capacity = colorMappingTable.Count;
var swatchSize = ImageSourcePalette.Height - 2;
var size = new Size(swatchSize, swatchSize);
var location = new Point(1, 1);
ImageSourcePalette.SuspendLayout();
ImageDesiredPalette.SuspendLayout();
var mappingIndex = 0;
foreach (var colorMapping in colorMappingTable)
{
var sourcePanel = new Panel()
{
Size = size, Location = location
};
var desiredPanel = new Panel()
{
Size = size, Location = location
};
sourcePanel.Tag = desiredPanel;
desiredPanel.Tag = sourcePanel;
sourceSwatches.Add(sourcePanel);
desiredSwatches.Add(desiredPanel);
ImageSourcePalette.Controls.Add(sourcePanel);
ImageDesiredPalette.Controls.Add(desiredPanel);
sourceSwatches[mappingIndex].Click += Swatch_Clicked;
desiredSwatches[mappingIndex].Click += Swatch_Clicked;
sourceSwatches[mappingIndex].BackColor = colorMapping.Key;
desiredSwatches[mappingIndex].BackColor = colorMapping.Value;
if (mappingIndex == 0)
{
currentColor = colorMapping.Key;
}
mappingIndex++;
location.X += swatchSize + 1;
}
location.Y = 0;
var blankSourcePanel =
new Panel()
{
Size = ImageSourcePalette.Size, Location = location, BackColor = SystemColors.Control
};
ImageSourcePalette.Controls.Add(blankSourcePanel);
var blankDesiredPanel =
new Panel()
{
Size = ImageDesiredPalette.Size, Location = location, BackColor = SystemColors.Control
};
ImageDesiredPalette.Controls.Add(blankDesiredPanel);
ImageSourcePalette.ResumeLayout();
ImageDesiredPalette.ResumeLayout();
ImageSourcePalette.BackColor = ImageComparison.BackColor;
ImageDesiredPalette.BackColor = ImageComparison.BackColor;
desiredFrames = new Bitmap[gifImage.Frames.Length];
for (var i = 0; i < desiredFrames.Length; i++)
{
desiredFrames[i] = (Bitmap)gifImage.Frames[i].Image.Clone();
}
UpdateDesiredFrames();
FrameControls.Enabled = true;
PaletteControls.Enabled = true;
ColorControls.Enabled = true;
SaveCommand.Enabled = true;
UpdateSelectedFrame(0);
UpdateColorHex();
UpdateColorDisplay();
if (wasPlaying)
{
Indexer.Playing = true;
}
loaded = true;
}
