private async void UpdateImage()
{
var diff = _optimizer.ColorsCount - numericUpDown1.Value.ToInt();
if (diff > 0)
{
_optimizer.Progress.ProgressChanged += Progress_ProgressChanged;
GUIDisable();
await _optimizer.DeleteColorsAsync(diff);
_optimizer.Progress.ProgressChanged -= Progress_ProgressChanged;
GUIReady();
_area.Redraw();
}
else if (diff < 0)
{
_optimizer.Progress.ProgressChanged += Progress_ProgressChanged;
GUIDisable();
await _optimizer.RestoreColorsAsync(-diff);
_optimizer.Progress.ProgressChanged -= Progress_ProgressChanged;
GUIReady();
_area.Redraw();
}
}
private async void btnLoad_Click(object sender, EventArgs e)
{
try {
string fileName = "";
using (OpenFileDialog ofd = new OpenFileDialog()) {
ofd.CheckFileExists = true;
ofd.CheckPathExists = true;
ofd.Multiselect = false;
ofd.ReadOnlyChecked = true;
ofd.Filter = "Images|*.jpg;*.png;*.jpeg;*.JPG;*.JPEG;*.bmp;*.BMP;*.PNG;*.TIFF;*.tiff;*.tif;*.TIF|All files|*";
if (ofd.ShowDialog() == DialogResult.Cancel)
{
return;
}
fileName = ofd.FileName;
}
var hash = "N/A";
using (var md5 = MD5.Create()) {
try {
using (FileStream fs = new FileStream(fileName, FileMode.Open)) {
hash = string.Join("-", md5.ComputeHash(fs).Select(x => x.ToString("X02")));
}
} finally {
}
}
var info = new FileInfo(fileName);
using (FileStream fs = new FileStream(fileName, FileMode.Open, FileAccess.Read))
_sourceImage = new Bitmap(fs);
_imgProcessor.LoadImage(_sourceImage);
GUIWait();
_imgProcessor.Progress.ProgressChanged += Progress_ProgressChanged;
await ReadData();
_imgProcessor.Progress.ProgressChanged -= Progress_ProgressChanged;
txtInfo.Text = string.Format("{0}; {1} bit/pixel; {2} x {3}; {4}; MD5: {5}", info.Name,
Image.GetPixelFormatSize(_sourceImage.PixelFormat), _sourceImage.Width, _sourceImage.Height, info.Length.ToByteMetricString(), hash);
if (_data != null)
{
lblSize.Text = _data.Length.ToByteMetricString(false);
numericUpDown1.Value = _imgProcessor.DataLength;
}
_areaSource.SetImage(_sourceImage);
_areaSource.Redraw();
_imageBuffer = new Bitmap(_sourceImage);
_areaResult.SetImage(_imageBuffer);
_areaResult.Redraw();
UpdateMaxData();
} catch (Exception ex) {
MessageBox.Show(string.Format("{0}: {1}", ex.GetType().ToString(), ex.Message));
} finally {
if (_imgProcessor?.ImageLoaded ?? false)
{
GUIReady();
}
btnShowData.Enabled = _data != null;
}
}
private void LoadImage()
{
if (_image == null)
{
try {
var buf = _data;
if (chbEncryption.Checked)
{
buf = new byte[_data.Length];
Array.Copy(_data, buf, _data.Length);
buf = Decrypt(buf, chbCompression.Checked);
}
using (var mem = new MemoryStream(buf)) {
_image = new Bitmap(mem);
_area.SetImage(_image);
_area.Redraw();
}
} catch (Exception ex) {
MessageBox.Show(string.Format("{0}: {1}", ex.GetType().ToString(), ex.Message));
}
}
}