public static Image DiffImages(Image img1, Image img2)
{
bool foundDifference = false;
var bmp1 = img1.ToBitmap ();
var bmp2 = img2.ToBitmap ();
var res = new ImageBuilder ((int)Math.Min (bmp1.Size.Width, bmp2.Size.Width), (int) Math.Min (bmp1.Size.Height, bmp2.Size.Height));
var bmpr = res.ToBitmap ();
res.Dispose ();
for (int y=0; y<bmp1.Size.Height && y < bmp2.Size.Height; y++) {
for (int x=0; x<bmp1.Size.Width && x<bmp2.Size.Height; x++) {
var p1 = bmp1.GetPixel (x, y);
var p2 = bmp2.GetPixel (x, y);
var col = Colors.White;
if (p1 != p2) {
foundDifference = true;
var r = Math.Pow (p1.Red - p2.Red, 2) + Math.Pow (p1.Green - p2.Green, 2) + Math.Pow (p1.Blue - p2.Blue, 2) + Math.Pow (p1.Alpha - p2.Alpha, 2);
if (r < 0.01)
col = new Color (0.9, 0.9, 0.9);
else if (r < 0.1)
col = new Color (0.7, 0.7, 0.7);
else
col = Colors.Red;
}
bmpr.SetPixel (x, y, col);
}
}
if (foundDifference)
return bmpr;
else
return null;
}
/// <summary>
/// Refresh the specified scan.
/// </summary>
/// <param name="scan">Scan.</param>
/// <param name="changedFiberType">Set to true, if the fibertype of the given scan has changed</param>
void Refresh(BaseScan scan, bool changedFiberType = false)
{
Image thumbnail = store.GetNavigatorAt(scan.position).GetValue(thumbnailCol);
TreePosition currentNode = scan.position;
if (changedFiberType) {
TreePosition parentNodePosition;
if (fiberTypeNodes.ContainsKey(scan.FiberType)) {
parentNodePosition = fiberTypeNodes[scan.FiberType];
} else {
TextLayout text = new TextLayout();
text.Text = scan.FiberType;
ImageBuilder ib = new ImageBuilder(text.GetSize().Width, text.GetSize().Height);
ib.Context.DrawTextLayout(text, Point.Zero);
parentNodePosition = store.AddNode(null).SetValue(thumbnailCol, ib.ToBitmap()).CurrentPosition;
fiberTypeNodes[scan.FiberType] = parentNodePosition;
text.Dispose();
ib.Dispose();
}
store.GetNavigatorAt(currentNode).Remove();
scan.position = currentNode = store.AddNode(parentNodePosition).CurrentPosition;
ExpandToRow(scan.position);
ScrollToRow(scan.position);
SelectRow(scan.position);
scan.parentPosition = parentNodePosition;
}
store.GetNavigatorAt(currentNode)
.SetValue(nameCol, scan.ToString())
.SetValue(thumbnailCol, thumbnail)
.SetValue(finishCol, scan.IsFinish() ? tick : cross)
.SetValue(saveStateCol, scan.HasUnsaved() ? "*" : "");
if (DataSource.GetChildrenCount(scan.parentPosition) <= 0) {
store.GetNavigatorAt(scan.parentPosition).Remove();
}
// update filtered store
if (!string.IsNullOrEmpty(filterText)) {
storeFilter.GetNavigatorAt(scan.positionFiltered)
.SetValue(nameColFilter, scan.ToString())
.SetValue(thumbnailColFilter, thumbnail)
.SetValue(finishColFiltered, scan.IsFinish() ? tick : cross)
.SetValue(saveStateColFilter, scan.HasUnsaved() ? "*" : "");
if (changedFiberType) {
Filter(filterText);
}
}
}
protected override void OnSelectionChanged(EventArgs e)
{
if (SelectedRow == null)
return;
object value = store.GetNavigatorAt(SelectedRow).GetValue(nameCol);
if (value is BaseAlgorithm) {
TextLayout text = new TextLayout();
text.Text = value.ToString();
Size textSize = text.GetSize();
var ib = new ImageBuilder(textSize.Width, textSize.Height);
ib.Context.DrawTextLayout(text, 0, 0);
var d = CreateDragOperation();
d.Data.AddValue(value.GetType().AssemblyQualifiedName);
d.SetDragImage(ib.ToVectorImage(), -6, -4);
d.AllowedActions = DragDropAction.Link;
d.Start();
d.Finished += (object sender, DragFinishedEventArgs e2) => this.UnselectAll();
text.Dispose();
ib.Dispose();
} else {
this.UnselectRow(SelectedRow);
}
}
/// <summary>
/// Reloads file tree information.
/// </summary>
/// <param name="scans">Collection of loaded scans</param>
/// <param name="currentScan">Current focused scan</param>
/// <param name="save">Update scan collection</param>
public void Reload(ScanCollection scans, BaseScan currentScan = null, bool save = true)
{
if (scans.Count > 0) {
scans.Sort(scans[0]);
}
if (save) {
scanCollection = scans;
}
DataSource = store;
store.Clear();
TreePosition pos = null;
fiberTypeNodes = new Dictionary<string, TreePosition>();
foreach (BaseScan scan in scans) {
TreePosition currentNode;
if (fiberTypeNodes.ContainsKey(scan.FiberType)) {
currentNode = fiberTypeNodes[scan.FiberType];
} else {
TextLayout text = new TextLayout();
text.Text = scan.FiberType;
ImageBuilder ib = new ImageBuilder(text.GetSize().Width, text.GetSize().Height);
ib.Context.DrawTextLayout(text, Point.Zero);
currentNode = store.AddNode(null).SetValue(thumbnailCol, ib.ToVectorImage()).CurrentPosition;
fiberTypeNodes[scan.FiberType] = currentNode;
text.Dispose();
ib.Dispose();
}
var v = store.AddNode(currentNode)
.SetValue(nameCol, scan.ToString())
.SetValue(finishCol, scan.IsFinish() ? tick : cross)
.SetValue(saveStateCol, scan.HasUnsaved() ? "*" : "")
.CurrentPosition;
scan.position = v;
scan.parentPosition = currentNode;
if (currentScan != null) {
if (currentScan == scan) {
pos = v;
}
} else {
if (pos == null) {
pos = v;
}
}
scan.ScanDataChanged += OnScanDataChanged;
}
if (scans.Count > 0) {
ExpandToRow(pos);
SelectRow(pos);
}
LoadPreviewsAsync(scans);
}
public Widget ToWidget()
{
long coloumns = Width;
long rows = Height;
if (widget == null) {
if (rows <= 16 && coloumns <= 16) {
Table t = new Table();
if (isSparse) {
foreach (int i in sparseMatrix.GetRows()) {
foreach (KeyValuePair<int, float> value in sparseMatrix.GetRowData(i)) {
t.Add(new Label(value.Value.ToString()), value.Key, i);
}
}
} else {
for (int x = 0; x < coloumns; x++) {
for (int y = 0; y < rows; y++) {
t.Add(new Label(matrix[x, y].ToString()), x, y);
}
}
}
widget = t;
} else {
BitmapImage bi;
int iScaleFactor = MathExtras.NextPowerOf2(
(int) Math.Round((float) Math.Max(coloumns, rows) / BaseType<int>.MaxWidgetSize.Width) + 1
);
ImageBuilder ib = new ImageBuilder(coloumns / iScaleFactor, rows / iScaleFactor);
bi = ib.ToBitmap();
if (isSparse) {
float max = sparseMatrix.Max();
float min = sparseMatrix.Min();
const float toMax = 65536.0f;
float toMaxLog = (float) Math.Log(toMax);
foreach (int y in sparseMatrix.GetRows()) {
foreach (KeyValuePair<int, float> v in sparseMatrix.GetRowData(y)) {
float toLog = (toMax - 1.0f) * ((v.Value - min) / (max - min)) + 1.0f;
byte c = (byte) ((Math.Log(toLog) / toMaxLog) * 255);
bi.SetPixel(v.Key / iScaleFactor, y / iScaleFactor, Color.FromBytes(c, c, c));
}
}
} else {
float max = 0.0f;
float[,] copy = matrix.Scale(1.0f, 65536.0f);
for (int x = 0; x < coloumns; x++) {
for (int y = 0; y < rows; y++) {
if (copy[x, y] > 0) {
copy[x, y] = (float) (Math.Log(copy[x, y]));
}
if (copy[x, y] > max) {
max = copy[x, y];
}
}
}
for (int x = 0; x < coloumns; x++) {
for (int y = 0; y < rows; y++) {
byte c = (byte) ((copy[x, y] * 255) / max);
if (c > 0) {
bi.SetPixel(x / iScaleFactor, y / iScaleFactor, Color.FromBytes(c, c, c));
}
}
}
}
ib.Dispose();
widget = new ImageView(bi.WithBoxSize(BaseType<int>.MaxWidgetSize));
}
}
return widget;
}