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using PNGReaderTest;
using SixLabors.ImageSharp;
using System.Data;
using System.Text.Json;
using Image = SixLabors.ImageSharp.Image;
namespace PNGMetadataViewer
{
public partial class PNGMetadataViewerForm : Form
{
protected bool validData;
string path;
protected List<object> textValues;
protected Image image;
protected Thread getImageThread;
public PNGMetadataViewerForm()
{
InitializeComponent();
}
private void Form1_Load(object sender, EventArgs e)
{
}
private void formTableLayoutPanel_DragEnter(object sender, DragEventArgs e)
{
string filename;
validData = GetFilename(out filename, e);
if (validData)
{
path = filename;
getImageThread = new Thread(new ThreadStart(LoadImage));
getImageThread.Start();
e.Effect = DragDropEffects.Copy;
}
else
{
e.Effect = DragDropEffects.None;
}
}
private bool GetFilename(out string filename, DragEventArgs e)
{
bool ret = false;
filename = String.Empty;
if ((e.AllowedEffect & DragDropEffects.Copy) == DragDropEffects.Copy)
{
Array? data = e.Data.GetData("FileDrop") as Array;
if (data != null)
{
if ((data.Length == 1) && (data.GetValue(0) is String))
{
filename = ((string[])data)[0];
string ext = Path.GetExtension(filename).ToLower();
if ((ext == ".jpg") || (ext == ".png") || (ext == ".bmp"))
{
ret = true;
}
}
}
}
return ret;
}
private void formTableLayoutPanel_DragDrop(object sender, DragEventArgs e)
{
if (validData)
{
clearAll();
while (getImageThread.IsAlive)
{
Application.DoEvents();
Thread.Sleep(0);
}
pictureBox.Image = ImageExtensions.ToNetImage(image.ToArray());
imageMetadataGridView.DataSource = MakeImageMetadataTable(image);
var pngTextData = image.Metadata.GetPngMetadata().TextData;
if (pngTextData.Count == 1)
{
toolStripStatusLabel.Text = $"Automatic1111 Generated PNG: {path}";
// Probably Automatic111
var promptsData = image.Metadata.GetPngMetadata().TextData[0].Value.Split("\n");
promptBox.Text = promptsData[0];
negativePromptBox.Text = promptsData[1].Replace("Negative prompt:", string.Empty);
var modelData = promptsData[2].Split(',', StringSplitOptions.TrimEntries);
modelMetadataGridView.DataSource = MakeAutomatic1111DataTable(modelData);
}
else if (pngTextData.Count > 1)
{
toolStripStatusLabel.Text = $"ComfyUI Generated PNG: {path}";
// Probably ComfyUI
var comfyUIMetadata = JsonSerializer.Deserialize<ComfyUIData>(pngTextData[1].Value);
if (comfyUIMetadata == null)
{
MessageBox.Show("Could not load ComfyUI Metadata", "Error");
}
else
{
modelMetadataGridView.DataSource = MakeComfyUIKSamplerDataTable(comfyUIMetadata);
textValues = comfyUIMetadata.nodes.Where(x => x.type.Equals("CLIPTextEncode")).SelectMany(x => x.widgets_values).ToList();
promptBox.Text = textValues.Count() > 0 ? textValues[1]?.ToString() : string.Empty;
negativePromptBox.Text = textValues.Count() > 0 ? textValues[0].ToString() : string.Empty;
}
}
else
{
// No TextData
toolStripStatusLabel.Text = $"No text data found in PNG: {path}";
}
}
}
protected void LoadImage()
{
image = Image.Load(path);
}
private DataTable MakeComfyUIKSamplerDataTable(ComfyUIData data)
{
var table = new DataTable();
table.Columns.Add(new DataColumn("Key", typeof(string)));
table.Columns.Add(new DataColumn("Value", typeof(string)));
var ksamplerFields = new[] { "Seed", "Control After Generate", "Steps", "CFG", "Sampler Name", "Scheduler", "Denoise" };
var checkpointLoader = data.nodes.Where(x => x.type.Contains("CheckpointLoaderSimple")).Select(x => x.widgets_values).FirstOrDefault();
table.Rows.Add("Model Name", checkpointLoader != null ? checkpointLoader[0] ?? "Unknown" : "Unknown");
var loraLoader = data.nodes.Where(x => x.type.Equals("LoraLoader")).SelectMany(x => x.widgets_values).ToList();
table.Rows.Add("LORA Name", loraLoader?.Count != 0 ? loraLoader?[0] : "None");
int i = 0;
foreach (var ksamplerItem in data.nodes.Where(x => x.type.Equals("KSampler")).Select(x => x.widgets_values).SelectMany(x => x))
{
table.Rows.Add(ksamplerFields[i++], ksamplerItem);
}
return table;
}
private DataTable MakeAutomatic1111DataTable(string[] data)
{
var table = new DataTable();
table.Columns.Add(new DataColumn("Key", typeof(string)));
table.Columns.Add(new DataColumn("Value", typeof(string)));
foreach (var item in data)
{
var k = item.Split(':');
table.Rows.Add(k[0], k[1]);
}
return table;
}
private DataTable MakeImageMetadataTable(Image image)
{
var table = new DataTable();
table.Columns.Add(new DataColumn("Key", typeof(string)));
table.Columns.Add(new DataColumn("Value", typeof(string)));
table.Rows.Add("Height", image.Height);
table.Rows.Add("Width", image.Width);
table.Rows.Add("AlphaRepresentation", image.PixelType.AlphaRepresentation?.ToString());
table.Rows.Add("BitsPerPixel", image.PixelType.BitsPerPixel);
table.Rows.Add("DefaultMimeType", image.Metadata.DecodedImageFormat?.DefaultMimeType);
table.Rows.Add("Name", image.Metadata.DecodedImageFormat?.Name);
table.Rows.Add("ColorType", image.Metadata.GetPngMetadata().ColorType);
table.Rows.Add("FramesCount", image.Frames.Count());
return table;
}
private void copyPromptMenuItem_Click(object sender, EventArgs e)
{
ToolStripItem? item = sender as ToolStripItem;
if (item != null)
{
ContextMenuStrip? owner = item.Owner as ContextMenuStrip;
if (owner != null && !string.IsNullOrEmpty(owner.SourceControl?.Text))
{
Clipboard.SetText(owner.SourceControl.Text, TextDataFormat.Text);
toolStripStatusLabel.Text = "Copied...";
}
}
}
private void clearButton_Click(object sender, EventArgs e)
{
clearAll();
}
private void clearAll()
{
pictureBox.Image = null;
promptBox.Text = string.Empty;
negativePromptBox.Text = string.Empty;
modelMetadataGridView.DataSource = null;
imageMetadataGridView.DataSource = null;
toolStripStatusLabel.Text = "Waiting for input...";
}
}
}
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