private ExpressionDrawer.Settings GetOptions()
{
ExpressionDrawer.Settings settings = new ExpressionDrawer.Settings();
GeometryWatchOptionPage optionPage = Util.GetDialogPage <GeometryWatchOptionPage>();
if (optionPage != null)
{
settings.densify = optionPage.Densify;
settings.showDir = optionPage.EnableDirections;
settings.showLabels = optionPage.EnableLabels;
settings.showDots = true;
}
return(settings);
}
private void UpdateItems(bool load, int modified_index = -1)
{
m_currentBox = null;
bool imageEmpty = true;
if (ExpressionLoader.Debugger.CurrentMode == dbgDebugMode.dbgBreakMode)
{
if (load)
{
ExpressionLoader.ReloadUserTypes(Util.GetDialogPage <GeneralOptionPage>());
}
ExpressionDrawer.Settings referenceSettings = new ExpressionDrawer.Settings();
GeometryWatchOptionPage optionPage = Util.GetDialogPage <GeometryWatchOptionPage>();
if (optionPage != null)
{
referenceSettings.densify = optionPage.Densify;
referenceSettings.showDir = optionPage.EnableDirections;
referenceSettings.showLabels = optionPage.EnableLabels;
referenceSettings.showDots = true;
}
// TODO: Names are redundant
string[] names = new string[Geometries.Count];
ExpressionDrawer.Settings[] settings = new ExpressionDrawer.Settings[Geometries.Count];
bool tryDrawing = false;
// update the list, gather names and settings
for (int index = 0; index < Geometries.Count; ++index)
{
GeometryItem geometry = Geometries[index];
System.Windows.Media.Color color = geometry.Color;
int colorId = geometry.ColorId;
string type = null;
bool updateRequred = modified_index < 0 || modified_index == index;
if (updateRequred && load)
{
geometry.Drawable = null;
geometry.Traits = null;
}
if (geometry.Name != null && geometry.Name != "")
{
var expressions = updateRequred
? ExpressionLoader.GetExpressions(geometry.Name)
: null;
if (expressions == null || ExpressionLoader.AllValidValues(expressions))
{
if (expressions != null)
{
type = ExpressionLoader.TypeFromExpressions(expressions);
}
names[index] = geometry.Name;
if (updateRequred && geometry.ColorId < 0)
{
colorId = m_intsPool.Pull();
color = Util.ConvertColor(m_colors[colorId]);
}
settings[index] = referenceSettings.CopyColored(color);
tryDrawing = true;
}
}
// set new row
if (updateRequred)
{
ResetAt(new GeometryItem(geometry.Drawable, geometry.Traits,
geometry.Name, type, colorId, m_colors),
index);
}
}
// draw variables
if (tryDrawing)
{
int width = (int)System.Math.Round(image.ActualWidth);
int height = (int)System.Math.Round(image.ActualHeight);
if (width > 0 && height > 0)
{
Bitmap bmp = new Bitmap(width, height);
Graphics graphics = Graphics.FromImage(bmp);
graphics.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.AntiAlias;
graphics.Clear(m_colors.ClearColor);
try
{
ExpressionDrawer.IDrawable[] drawables = new ExpressionDrawer.IDrawable[names.Length];
Geometry.Traits[] traits = new Geometry.Traits[names.Length];
for (int i = 0; i < names.Length; ++i)
{
if (Geometries[i].Drawable == null && names[i] != null && names[i] != "")
{
try
{
// TODO: Unify the loading of empty geometries.
// For empty linestring the coordinate system name is drawn
// however for empty multilinestring it is not. The reason
// is that in the latter case null drawable and traits are
// returned becasue traits are loaded from an element
// (linestring) but there are no elements since the
// multi-geometry is empty.
ExpressionDrawer.IDrawable d = null;
Geometry.Traits t = null;
ExpressionLoader.Load(names[i],
ExpressionLoader.OnlyGeometriesOrGeometryContainer,
out t, out d);
if (t == null) // Traits has to be defined for Geometry
{
d = null;
}
Geometries[i].Drawable = d;
Geometries[i].Traits = t;
Geometries[i].Error = null;
}
catch (Exception e)
{
Geometries[i].Error = e.Message;
}
}
drawables[i] = Geometries[i].Drawable;
traits[i] = Geometries[i].Traits;
}
m_currentBox = ExpressionDrawer.DrawGeometries(graphics, drawables, traits, settings, m_colors, m_zoomBox);
}
catch (Exception e)
{
ExpressionDrawer.DrawErrorMessage(graphics, e.Message);
}
image.Source = Util.BitmapToBitmapImage(bmp);
imageEmpty = false;
}
}
}
if (imageEmpty)
{
image.Source = Util.BitmapToBitmapImage(m_emptyBitmap);
}
imageGrid.ContextMenu = new ContextMenu();
MenuItem mi = new MenuItem();
mi.Header = "Copy";
mi.Click += MenuItem_Copy;
if (imageEmpty)
{
mi.IsEnabled = false;
}
imageGrid.ContextMenu.Items.Add(mi);
imageGrid.ContextMenu.Items.Add(new Separator());
MenuItem mi2 = new MenuItem();
mi2.Header = "Reset View";
mi2.Click += MenuItem_ResetZoom;
if (imageEmpty)
{
mi2.IsEnabled = false;
}
imageGrid.ContextMenu.Items.Add(mi2);
}