/// <summary>
/// Triggers a Zoom Chnaged event
/// </summary>
private void RaiseZoomChanged()
{
MS_UNITS mapunits = map.units;
int unitPrecision = MapUtils.GetUnitPrecision(mapunits);
double zoom = (map.extent.maxx - map.extent.minx);
if (mapunits != map.units)
{
zoom = zoom * MapUtils.InchesPerUnit(map.units) / MapUtils.InchesPerUnit(mapunits);
}
target.RaiseZoomChanged(this, Math.Round(zoom, unitPrecision), map.scaledenom);
}
/// <summary>
/// Click event handler of the buttonProjection control.
/// </summary>
/// <param name="sender">The source object of this event.</param>
/// <param name="e">The event parameters.</param>
private void buttonProjection_Click(object sender, EventArgs e)
{
if (projDialog == null)
{
projDialog = new ProjectionBrowserDialog();
}
projDialog.HelpRequested += new HelpEventHandler(MapPropertyEditor_HelpRequested);
projDialog.Projection = textBoxProjection.Text;
if (projDialog.ShowDialog(this) == DialogResult.OK)
{
textBoxProjection.Text = projDialog.Projection;
textBoxProjection.Tag = projDialog.ProjectionNative;
comboBoxUnits.SelectedItem = MapUtils.GetMapUnitFromProj4(textBoxProjection.Tag.ToString());
}
}
/// <summary>
/// Validating event handler of the textBoxZoomWidth control.
/// </summary>
/// <param name="sender">The source object of this event.</param>
/// <param name="e">The event parameters.</param>
private void textBoxZoomWidth_Validating(object sender, CancelEventArgs e)
{
double result;
if (!double.TryParse(((TextBoxBase)sender).Text, out result) || result <= 0)
{
MessageBox.Show("Invalid zoom width or wrong number", "MapManager", MessageBoxButtons.OK, MessageBoxIcon.Error);
e.Cancel = true;
return;
}
if (mapunits != map.units)
{
result = result * MapUtils.InchesPerUnit(mapunits) / MapUtils.InchesPerUnit(map.units);
}
zoomFactor = result / (map.extent.maxx - map.extent.minx);
textBoxScale.Text = Convert.ToString(Convert.ToInt32(map.scaledenom * zoomFactor));
}
/// <summary>
/// Refresh the controls according to the underlying object.
/// </summary>
public void RefreshView()
{
mapunits = map.units;
unitPrecision = MapUtils.GetUnitPrecision(mapunits);
textBoxX.Text = Convert.ToString(Math.Round((map.extent.maxx + map.extent.minx) / 2, unitPrecision));
textBoxY.Text = Convert.ToString(Math.Round((map.extent.maxy + map.extent.miny) / 2, unitPrecision));
labelUnit2.Text = MapUtils.GetUnitName(mapunits);
textBoxScale.Text = Convert.ToString(Convert.ToInt32(map.scaledenom));
labelUnit1.Text = MapUtils.GetUnitName(mapunits);
double zoom = (map.extent.maxx - map.extent.minx);
if (mapunits != map.units)
{
zoom = zoom * MapUtils.InchesPerUnit(map.units) / MapUtils.InchesPerUnit(mapunits);
}
textBoxZoomWidth.Text = Convert.ToString(Math.Round(zoom, unitPrecision));
}
/// <summary>
/// Validating event handler of the textBoxScale control.
/// </summary>
/// <param name="sender">The source object of this event.</param>
/// <param name="e">The event parameters.</param>
private void textBoxScale_Validating(object sender, CancelEventArgs e)
{
double result;
if (!double.TryParse(((TextBoxBase)sender).Text, out result) || result <= 0)
{
MessageBox.Show("Invalid scale or wrong number", "MapManager", MessageBoxButtons.OK, MessageBoxIcon.Error);
e.Cancel = true;
return;
}
zoomFactor = result / map.scaledenom;
double zoom = (map.extent.maxx - map.extent.minx);
if (mapunits != map.units)
{
zoom = zoom * MapUtils.InchesPerUnit(map.units) / MapUtils.InchesPerUnit(mapunits);
}
textBoxZoomWidth.Text = Convert.ToString(Math.Round((zoom) * zoomFactor, unitPrecision));
}
/// <summary>
/// Click event handler of the buttonApply control.
/// </summary>
/// <param name="sender">The source object of this event.</param>
/// <param name="e">The event parameters.</param>
private void buttonApply_Click(object sender, EventArgs e)
{
double deltaX = (map.extent.maxx - map.extent.minx) * zoomFactor / 2;
double deltaY = (map.extent.maxy - map.extent.miny) * zoomFactor / 2;
double centerX = double.Parse(textBoxX.Text);
double centerY = double.Parse(textBoxY.Text);
map.setExtent(centerX - deltaX, centerY - deltaY, centerX + deltaX, centerY + deltaY);
target.RaisePropertyChanged(this);
double zoom = (map.extent.maxx - map.extent.minx);
if (mapunits != map.units)
{
zoom = zoom * MapUtils.InchesPerUnit(map.units) / MapUtils.InchesPerUnit(mapunits);
}
target.RaiseZoomChanged(this, Math.Round(zoom, unitPrecision), map.scaledenom);
zoomFactor = 1.0;
}
public Color GetColorAtValue(double percent)
{
if (Value.Text == "Random values")
{
return(Color.FromArgb(MapUtils.GetRandomValue(256),
MapUtils.GetRandomValue(256),
MapUtils.GetRandomValue(256)));
}
// searching for the corresponding value
int i;
for (i = 0; i < Value.Count; i++)
{
if (Value.Keys[i] > percent)
{
++i;
break;
}
}
// calculate color
if (i > 0)
{
if (i < 2 || Value.Style == ColorRampStyle.Discrete)
{
return(Value.Values[i - 1]);
}
else
{
return(GetInterpolatedColor(Value.Values[i - 2], Value.Values[i - 1], percent / 100));
}
}
else
{
return(Color.Empty);
}
}
/// <summary>
/// Click event handler of the buttonOK control.
/// </summary>
/// <param name="sender">The source object of this event.</param>
/// <param name="e">The event parameters.</param>
private void buttonOK_Click(object sender, EventArgs e)
{
// construct layer definition
StringBuilder s = new StringBuilder(layerdef);
s.Replace("%name%", MapUtils.GetUniqueLayerName(map, "grid", 0));
s.Replace("%labelformat%", textBoxLabelFormat.Text);
s.Replace("%labelcolorR%", colorPickerLabelColor.Value.R.ToString());
s.Replace("%labelcolorG%", colorPickerLabelColor.Value.G.ToString());
s.Replace("%labelcolorB%", colorPickerLabelColor.Value.B.ToString());
s.Replace("%colorR%", colorPickerLineColor.Value.R.ToString());
s.Replace("%colorG%", colorPickerLineColor.Value.G.ToString());
s.Replace("%colorB%", colorPickerLineColor.Value.B.ToString());
if (textBoxLabelSize.Text.Trim() != "")
{
s.Replace("%labelsize%", textBoxLabelSize.Text.ToString());
}
else
{
s.Replace("%labelsize%", "8");
}
if (textBoxLineWidth.Text.Trim() != "")
{
s.Replace("%linewidth%", textBoxLineWidth.Text.ToString());
}
else
{
s.Replace("%linewidth%", "2");
}
// optional parameters
if (textBoxMinArcs.Text.Trim() != "")
{
s.Replace("%minarcs%", "MINARCS " + textBoxMinArcs.Text.ToString());
}
else
{
s.Replace("%minarcs%", "");
}
if (textBoxMaxArcs.Text.Trim() != "")
{
s.Replace("%maxarcs%", "MAXARCS " + textBoxMaxArcs.Text.ToString());
}
else
{
s.Replace("%maxarcs%", "");
}
if (textBoxMinInterval.Text.Trim() != "")
{
s.Replace("%mininterval%", "MININTERVAL " + textBoxMinInterval.Text.ToString());
}
else
{
s.Replace("%mininterval%", "");
}
if (textBoxMaxInterval.Text.Trim() != "")
{
s.Replace("%maxinterval%", "MAXINTERVAL " + textBoxMaxInterval.Text.ToString());
}
else
{
s.Replace("%maxinterval%", "");
}
if (textBoxMinSubdivide.Text.Trim() != "")
{
s.Replace("%minsubdivide%", "MINSUBDIVIDE " + textBoxMinSubdivide.Text.ToString());
}
else
{
s.Replace("%minsubdivide%", "");
}
if (textBoxMaxSubdivide.Text.Trim() != "")
{
s.Replace("%maxsubdivide%", "MAXSUBDIVIDE " + textBoxMaxSubdivide.Text.ToString());
}
else
{
s.Replace("%maxsubdivide%", "");
}
if (textBoxProjection.Tag != null)
{
s.Replace("%projection%", textBoxProjection.Tag.ToString());
}
else
{
s.Replace("%projection%", "init=epsg:4326");
}
// create layer
layerObj layer = new layerObj(map);
try
{
layer.updateFromString(s.ToString());
DialogResult = DialogResult.OK;
this.Close();
}
catch (Exception ex)
{
MessageBox.Show(ex.Message,
"MapManager", MessageBoxButtons.OK, MessageBoxIcon.Error);
map.removeLayer(layer.index);
}
}
public static void ExpandFontStyles()
{
string symbolSetFileContents = File.ReadAllText(symbolsetFileName);
string fontSetFileContents = File.ReadAllText(fontsetFileName);
StringBuilder newSymbols = new StringBuilder();
StringBuilder newFonts = new StringBuilder();
for (int i = 0; i < map.numlayers; i++)
{
layerObj layer = map.getLayer(i);
if (MapUtils.HasMetadata(layer, "character-count"))
{
string charcount = layer.getMetaData("character-count");
int num;
if (layer.numclasses == 1 && charcount != null && int.TryParse(charcount, out num))
{
classObj classobj = layer.getClass(0);
if (!fontSetFileContents.Contains(classobj.name))
{
throw new Exception("Invalid font reference in StyleLibrary.map: " + classobj.name + ". The fontset file should contain an entry for this font name.");
}
for (int c = 33; c < 33 + num; c++)
{
string symbolname = classobj.name + "-" + c.ToString();
if (!symbolSetFileContents.Contains(symbolname))
{
symbolObj sym = new symbolObj(symbolname, null);
sym.character = "&#" + c.ToString() + ";";
sym.type = (int)MS_SYMBOL_TYPE.MS_SYMBOL_TRUETYPE;
sym.font = classobj.name;
sym.inmapfile = 0;
map.symbolset.appendSymbol(sym);
newSymbols.Append(String.Format("SYMBOL{0} NAME \"{1}\"{0} TYPE TRUETYPE{0} ANTIALIAS TRUE{0} CHARACTER \"{2}\"{0} FONT \"{3}\"{0}END{0}", Environment.NewLine, symbolname, sym.character, sym.font));
}
if (c > 33)
{
// the first class is already inserted
classObj class2 = classobj.clone();
class2.name = symbolname;
styleObj style2 = class2.getStyle(0);
style2.setSymbolByName(map, symbolname);
layer.insertClass(class2, -1);
}
else
{
styleObj style2 = classobj.getStyle(0);
style2.setSymbolByName(map, symbolname);
}
}
if (!classobj.name.EndsWith("-33"))
{
classobj.name += "-33";
}
}
layer.removeMetaData("character-count");
}
}
if (newSymbols.Length > 0)
{
// writing the new symbols to the symbolset file
int lastpos = symbolSetFileContents.LastIndexOf("END", StringComparison.InvariantCultureIgnoreCase);
symbolSetFileContents = symbolSetFileContents.Substring(0, lastpos) + newSymbols.ToString() + "END";
File.WriteAllText(symbolsetFileName, symbolSetFileContents);
}
if (newFonts.Length > 0)
{
// writing the new fonts to the fontset file
File.WriteAllText(fontsetFileName, fontSetFileContents + newFonts.ToString());
}
}
public static bool HasSymbol(string name)
{
return(MapUtils.FindSymbol(map.symbolset, name) != null);
}
/// <summary>
/// Create the theme according to the individual values of the layer contents
/// </summary>
private MapObjectHolder CreateLayerTheme()
{
if (layer == null)
{
return(null);
}
mapObj map = target.GetParent();
// create a new map object
mapObj newMap = new mapObj(null);
newMap.units = MS_UNITS.MS_PIXELS;
map.selectOutputFormat(map.imagetype);
// copy symbolset
for (int s = 1; s < map.symbolset.numsymbols; s++)
{
symbolObj origsym = map.symbolset.getSymbol(s);
newMap.symbolset.appendSymbol(MapUtils.CloneSymbol(origsym));
}
// copy the fontset
string key = null;
while ((key = map.fontset.fonts.nextKey(key)) != null)
{
newMap.fontset.fonts.set(key, map.fontset.fonts.get(key, ""));
}
newLayer = new layerObj(newMap);
newLayer.type = layer.type;
newLayer.status = mapscript.MS_ON;
newLayer.connectiontype = MS_CONNECTION_TYPE.MS_INLINE;
// add the classObj and styles
classObj classobj;
if (checkBoxKeepStyles.Checked)
{
classobj = layer.getClass(0).clone();
classobj.setExpression(""); // remove expression to have the class shown
// bindings are not supported with sample maps
for (int s = 0; s < classobj.numstyles; s++)
{
StyleBindingController.RemoveAllBindings(classobj.getStyle(s));
}
for (int l = 0; l < classobj.numlabels; l++)
{
LabelBindingController.RemoveAllBindings(classobj.getLabel(l));
}
newLayer.insertClass(classobj, -1);
}
else
{
classobj = new classObj(newLayer);
classobj.name = MapUtils.GetClassName(newLayer);
styleObj style = new styleObj(classobj);
style.size = 8; // set default size (#4339)
if (layer.type == MS_LAYER_TYPE.MS_LAYER_POINT)
{
// initialize with the default marker if specified in the symbol file for point symbols
symbolObj symbol;
for (int s = 0; s < map.symbolset.numsymbols; s++)
{
symbol = map.symbolset.getSymbol(s);
if (symbol.name == "default-marker")
{
style.symbol = s;
style.symbolname = "default-marker";
break;
}
}
}
MapUtils.SetDefaultColor(layer.type, style);
}
SortedDictionary <string, string> items = new SortedDictionary <string, string>();
int i = 0;
shapeObj shape;
layer.open();
layer.whichShapes(layer.getExtent());
if (checkBoxClassItem.Checked)
{
layer.classitem = comboBoxColumns.SelectedItem.ToString();
}
while ((shape = layer.nextShape()) != null)
{
string value = shape.getValue(comboBoxColumns.SelectedIndex);
if (checkBoxZero.Checked && (value == "" || value == ""))
{
continue;
}
if (!items.ContainsValue(value))
{
if (i == 100)
{
if (MessageBox.Show("The number of the individual values is greater than 100 would you like to continue?", "MapManager",
MessageBoxButtons.OKCancel, MessageBoxIcon.Exclamation) == DialogResult.Cancel)
{
break;
}
}
items.Add(value, value);
++i;
}
}
if (layer.getResults() == null)
{
layer.close(); // close only is no query results
}
i = 0;
foreach (string value in items.Keys)
{
double percent = ((double)(i + 1)) / items.Count * 100;
// creating the corresponding class object
if (i > 0)
{
classobj = classobj.clone();
// bindings are not supported with sample maps
for (int s = 0; s < classobj.numstyles; s++)
{
StyleBindingController.RemoveAllBindings(classobj.getStyle(s));
}
for (int l = 0; l < classobj.numlabels; l++)
{
LabelBindingController.RemoveAllBindings(classobj.getLabel(l));
}
newLayer.insertClass(classobj, -1);
}
classobj.name = value;
if (checkBoxClassItem.Checked)
{
classobj.setExpression(value);
}
else
{
classobj.setExpression("('[" + comboBoxColumns.SelectedItem + "]' = '" + value + "')");
}
for (int j = 0; j < classobj.numstyles; j++)
{
styleObj style = classobj.getStyle(j);
style.color = colorRampPickerColor.GetMapColorAtValue(percent);
style.outlinecolor = colorRampPickerOutlineColor.GetMapColorAtValue(percent);
style.backgroundcolor = colorRampPickerBackgroundColor.GetMapColorAtValue(percent);
if (checkBoxFirstOnly.Checked)
{
break;
}
}
++i;
}
return(new MapObjectHolder(newLayer, new MapObjectHolder(newMap, null)));
}
/// <summary>
/// Adding the selected layer to map
/// </summary>
void AddLayerToMap()
{
// trying to open the layer
layerObj layer = new layerObj(map);
layer.connection = textBoxServer.Text.Trim();
layer.connectiontype = MS_CONNECTION_TYPE.MS_WMS;
layer.type = MS_LAYER_TYPE.MS_LAYER_RASTER;
layer.status = mapscript.MS_ON;
// set up authentication
NetworkCredential cred = (NetworkCredential)ViewModel.XmlProxyUrlResolver.GetCredentials();
if (cred != null)
{
layer.metadata.set("wms_auth_username", cred.UserName);
layer.metadata.set("wms_auth_password", cred.Password);
layer.metadata.set("wms_auth_type", "any");
}
WebProxy proxy = (WebProxy)ViewModel.XmlProxyUrlResolver.Proxy;
if (proxy != null)
{
layer.metadata.set("wms_proxy_host", proxy.Address.Host);
layer.metadata.set("wms_proxy_port", proxy.Address.Port.ToString());
layer.metadata.set("wms_proxy_auth_type", "any");
layer.metadata.set("wms_proxy_type", ViewModel.XmlProxyUrlResolver.ProxyType);
cred = (NetworkCredential)ViewModel.XmlProxyUrlResolver.GetProxyCredentials();
if (cred != null)
{
layer.metadata.set("wms_proxy_username", cred.UserName);
layer.metadata.set("wms_proxy_password", cred.Password);
}
}
// setting up the selected layer
selected = new MapObjectHolder(layer, target);
// set queryable flag
if (wms_queryable == "1")
{
layer.template = "query.html";
}
// setting up the layer metadata section
layer.metadata.set("wms_name", wms_name);
layer.metadata.set("wms_format", comboBoxImageFormat.Text.Trim());
layer.metadata.set("wms_server_version", ViewModel.ServerVersion);
if (!colorPickerLayerColor.Value.IsEmpty)
{
colorObj color = new colorObj(colorPickerLayerColor.Value.R,
colorPickerLayerColor.Value.G, colorPickerLayerColor.Value.B, 255);
layer.metadata.set("wms_bgcolor", "0x" + color.toHex().Substring(1));
}
if (!checkBoxTransparent.Checked)
{
layer.metadata.set("wms_transparent", "FALSE");
}
// wms_style
if (comboBoxStyle.Text != "")
{
layer.metadata.set("wms_style", comboBoxStyle.Text);
}
// title
if (wms_title != null)
{
layer.name = MapUtils.GetUniqueLayerName(map, wms_title, 0);
}
else
{
layer.name = MapUtils.GetUniqueLayerName(map, "Layer", 0);
}
// scale denom
if (wms_maxscaledenom > 0)
{
layer.maxscaledenom = wms_maxscaledenom;
}
if (wms_minscaledenom > 0)
{
layer.maxscaledenom = wms_minscaledenom;
}
// get bbox parameters
if (wms_bbox != null && map.numlayers == 1)
{
// this is the first layer, set the extent of the map
map.setExtent(wms_bbox.minx, wms_bbox.miny, wms_bbox.maxx, wms_bbox.maxy);
}
// setting up the selected projection
KeyValuePair <string, string> current = (KeyValuePair <string, string>)bs.Current;
string wms_srs = current.Key;
// mapping not EPSG systems to the EPSG variants
if (string.Compare(wms_srs, "CRS:84", true) == 0)
{
wms_srs = "EPSG:4326";
}
else if (string.Compare(wms_srs, "CRS:83", true) == 0)
{
wms_srs = "EPSG:4369";
}
else if (string.Compare(wms_srs, "CRS:27", true) == 0)
{
wms_srs = "EPSG:4267";
}
if (wms_srs.StartsWith("EPSG", StringComparison.InvariantCultureIgnoreCase))
{
layer.metadata.set("wms_srs", wms_srs);
}
layer.setProjection(wms_srs);
}
private void UpdateStyleList()
{
string selectedName = style.symbolname;
if (listView.SelectedItems.Count > 0)
{
selectedName = listView.SelectedItems[0].Text;
}
// populate the style listview
listView.Items.Clear();
imageList.Images.Clear();
ListViewItem selected = null;
if (comboBoxCategory.Text != "")
{
// Create "no symbol" entry
styleObj nosymbolstyle = new styleObj(null);
MapUtils.SetDefaultColor(layer.type, nosymbolstyle);
ListViewItem nosymbolitem = AddListItem(nosymbolstyle, layer, "Default");
if (selectedName == null)
{
selected = nosymbolitem;
}
if (comboBoxCategory.Text == "Inline Symbols")
{
for (int i = 0; i < map.symbolset.numsymbols; i++)
{
symbolObj symbol = map.symbolset.getSymbol(i);
if (symbol.inmapfile == mapscript.MS_TRUE &&
!StyleLibrary.HasSymbol(symbol.name))
{
styleObj libstyle = new styleObj(null);
//if (symbol.type == (int)MS_SYMBOL_TYPE.MS_SYMBOL_PATTERNMAP)
// MapUtils.SetDefaultColor(MS_LAYER_TYPE.MS_LAYER_LINE, libstyle);
//else
MapUtils.SetDefaultColor(layer.type, libstyle);
libstyle.setSymbolByName(map, symbol.name);
libstyle.size = 8;
MS_LAYER_TYPE type = layer.type;
try
{
//STEPH: change layer passed to the list view to be consistent with the other symbol categories
//so that it uses a point layer to display the style in the list
layer.type = MS_LAYER_TYPE.MS_LAYER_POINT;
ListViewItem item = AddListItem(libstyle, layer, symbol.name);
if (selectedName == item.Text)
{
selected = item;
}
}
finally
{
layer.type = type;
}
}
}
}
else
{
// collect all fonts specified in the fontset file
Hashtable fonts = new Hashtable();
string key = null;
while ((key = map.fontset.fonts.nextKey(key)) != null)
{
fonts.Add(key, key);
}
mapObj styles = StyleLibrary.Styles;
layerObj stylelayer = styles.getLayerByName(comboBoxCategory.Text);
for (int i = 0; i < stylelayer.numclasses; i++)
{
classObj classobj = stylelayer.getClass(i);
int symbolIndex = classobj.getStyle(0).symbol;
if (symbolIndex >= 0)
{
string font = styles.symbolset.getSymbol(symbolIndex).font;
if (font != null && !fonts.ContainsKey(font))
{
continue; // this font cannot be found in fontset
}
}
ListViewItem item = AddListItem(classobj.getStyle(0), stylelayer, classobj.name);
if (selectedName == item.Text)
{
selected = item;
}
}
}
}
if (selected != null)
{
selected.Selected = true;
selected.EnsureVisible();
}
}
/// <summary>
/// Refresh the controls according to the underlying object.
/// </summary>
public void RefreshView()
{
listView.Items.Clear();
if (map != null)
{
// setting up the icon background colors createLegendIcon
// will take over the legend imagecolor setting from the map object
int red = map.legend.imagecolor.red;
int green = map.legend.imagecolor.green;
int blue = map.legend.imagecolor.blue;
map.legend.imagecolor.red = this.BackColor.R;
map.legend.imagecolor.green = this.BackColor.G;
map.legend.imagecolor.blue = this.BackColor.B;
listView.BackColor = this.BackColor;
int layerIndex = -1;
int classIndex = -1;
using (outputFormatObj format = map.outputformat)
{
string imageType = null;
if ((format.renderer != mapscript.MS_RENDER_WITH_AGG) ||
string.Compare(format.mimetype.Trim(), "image/vnd.wap.wbmp", true) == 0 ||
string.Compare(format.mimetype.Trim(), "image/tiff", true) == 0 ||
string.Compare(format.mimetype.Trim(), "image/jpeg", true) == 0)
{
// falling back to the png type in case of the esoteric or bad looking types
imageType = map.imagetype;
map.selectOutputFormat("png24");
}
imageList.Images.Clear();
imageList.ImageSize = new Size(30, 20);
try
{
for (int i = 0; i < map.numlayers; i++)
{
layerObj layer = map.getLayer(i);
if (layer.status != mapscript.MS_OFF)
{
resultObj res;
shapeObj feature;
using (resultCacheObj results = layer.getResults())
{
if (results != null && results.numresults > 0)
{
// extracting the features found
for (int j = 0; j < results.numresults; j++)
{
res = results.getResult(j);
feature = layer.getShape(res);
if (feature != null)
{
if (layerIndex != layer.index || classIndex != res.classindex)
{
layerIndex = layer.index;
classIndex = res.classindex;
if (classIndex < 0)
{
classIndex = 0;
}
// creating the icon for this class
using (classObj def_class = new classObj(null)) // for drawing legend images
{
using (imageObj image = def_class.createLegendIcon(map, layer, 30, 20))
{
// drawing the class icons
if (layer.numclasses > classIndex)
{
layer.getClass(classIndex).drawLegendIcon(map, layer, 20, 10, image, 5, 5);
}
byte[] img = image.getBytes();
using (MemoryStream ms = new MemoryStream(img))
{
imageList.Images.Add(Image.FromStream(ms));
}
}
}
}
ListViewItem item = new ListViewItem(layer.name, imageList.Images.Count - 1);
item.SubItems.Add(feature.index.ToString());
item.SubItems.Add(MapUtils.GetShapeTypeName((MS_SHAPE_TYPE)feature.type));
listView.Items.Add(item);
StringBuilder s = new StringBuilder("");
s.AppendLine("Feature Properties:");
for (int k = 0; k < layer.numitems; k++)
{
s.Append(layer.getItem(k));
s.Append(" = ");
s.AppendLine(feature.getValue(k));
}
item.Tag = s.ToString();
item.SubItems[0].Tag = layer;
feature.classindex = res.classindex;
item.SubItems[1].Tag = feature;
}
}
}
}
}
}
}
finally
{
// switch back to the original type
if (imageType != null)
{
map.selectOutputFormat(imageType);
}
// restoring the original legend backgroundcolor
map.legend.imagecolor.red = red;
map.legend.imagecolor.green = green;
map.legend.imagecolor.blue = blue;
}
listView.SmallImageList = imageList;
}
if (listView.Items.Count > 0)
{
listView.Items[0].Selected = true;
}
else
{
richTextBox.Text = "";
}
}
}
/// <summary>
/// Create the theme according to the individual values of the layer contents
/// </summary>
private MapObjectHolder CreateLayerTheme()
{
if (layer == null)
{
return(null);
}
int index;
for (index = 0; index < fieldName.Length; index++)
{
if (fieldName[index] == comboBoxColumns.Text)
{
break;
}
}
if (index == fieldName.Length)
{
return(null);
}
NumberFormatInfo ni = new NumberFormatInfo();
ni.NumberDecimalSeparator = ".";
mapObj map = target.GetParent();
// create a new map object
mapObj newMap = new mapObj(null);
newMap.units = MS_UNITS.MS_PIXELS;
map.selectOutputFormat(map.imagetype);
// copy symbolset
for (int s = 1; s < map.symbolset.numsymbols; s++)
{
symbolObj origsym = map.symbolset.getSymbol(s);
newMap.symbolset.appendSymbol(MapUtils.CloneSymbol(origsym));
}
// copy the fontset
string key = null;
while ((key = map.fontset.fonts.nextKey(key)) != null)
{
newMap.fontset.fonts.set(key, map.fontset.fonts.get(key, ""));
}
newLayer = new layerObj(newMap);
newLayer.type = layer.type;
newLayer.status = mapscript.MS_ON;
newLayer.connectiontype = MS_CONNECTION_TYPE.MS_INLINE;
// add the classObj and styles
classObj classobj;
if (checkBoxKeepStyles.Checked)
{
classobj = layer.getClass(0).clone();
classobj.setExpression(""); // remove expression to have the class shown
// bindings are not supported with sample maps
for (int s = 0; s < classobj.numstyles; s++)
{
StyleBindingController.RemoveAllBindings(classobj.getStyle(s));
}
for (int l = 0; l < classobj.numlabels; l++)
{
LabelBindingController.RemoveAllBindings(classobj.getLabel(l));
}
newLayer.insertClass(classobj, -1);
}
else
{
classobj = new classObj(newLayer);
classobj.name = MapUtils.GetClassName(newLayer);
styleObj style = new styleObj(classobj);
style.size = 8; // set default size (#4339)
if (layer.type == MS_LAYER_TYPE.MS_LAYER_POINT)
{
// initialize with the default marker if specified in the symbol file for point symbols
symbolObj symbol;
for (int s = 0; s < map.symbolset.numsymbols; s++)
{
symbol = map.symbolset.getSymbol(s);
if (symbol.name == "default-marker")
{
style.symbol = s;
style.symbolname = "default-marker";
break;
}
}
}
MapUtils.SetDefaultColor(layer.type, style);
}
// calculate breaks
int classes = (int)numericUpDownClasses.Value;
double[] breaks = null;
if (comboBoxMode.SelectedIndex == 0)
{
breaks = CalculateEqualInterval(classes, index);
}
if (breaks == null)
{
return(null);
}
for (int i = 0; i < classes; i++)
{
double percent = ((double)(i + 1)) / classes * 100;
// creating the corresponding class object
if (i > 0)
{
classobj = classobj.clone();
// bindings are not supported with sample maps
for (int s = 0; s < classobj.numstyles; s++)
{
StyleBindingController.RemoveAllBindings(classobj.getStyle(s));
}
for (int l = 0; l < classobj.numlabels; l++)
{
LabelBindingController.RemoveAllBindings(classobj.getLabel(l));
}
newLayer.insertClass(classobj, -1);
}
classobj.name = breaks[i].ToString(ni) + " - " + breaks[i + 1].ToString(ni);
classobj.setExpression("(([" + comboBoxColumns.SelectedItem + "] >= "
+ breaks[i].ToString(ni) + ") && ([" + comboBoxColumns.SelectedItem + "] <= "
+ breaks[i + 1].ToString(ni) + "))");
for (int j = 0; j < classobj.numstyles; j++)
{
styleObj style = classobj.getStyle(j);
style.color = colorRampPickerColor.GetMapColorAtValue(percent);
style.outlinecolor = colorRampPickerOutlineColor.GetMapColorAtValue(percent);
style.backgroundcolor = colorRampPickerBackgroundColor.GetMapColorAtValue(percent);
if (checkBoxFirstOnly.Checked)
{
break;
}
}
}
return(new MapObjectHolder(newLayer, new MapObjectHolder(newMap, null)));
}
/// <summary>
/// Refresh the controls according to the underlying object.
/// </summary>
public void RefreshView()
{
if (map == null)
{
return;
}
// general tab
this.textBoxName.Text = map.name;
this.textBoxShapePath.Text = map.shapepath;
this.textBoxImagepath.Text = map.web.imagepath;
this.textBoxSymbolset.Text = map.symbolset.filename;
this.textBoxFontset.Text = map.fontset.filename;
// image details tab
this.colorPickerBackColor.SetColor(map.imagecolor);
comboBoxImageType.Items.Clear();
comboBoxImageType.Items.AddRange(new object[] { "png", "jpeg", "gif", "png8", "png24", "pdf", "svg", "cairopng"
, "GTiff", "kml", "kmz" });
for (int i = 0; i < map.numoutputformats; i++)
{
outputFormatObj format = map.getOutputFormat(i);
if (!comboBoxImageType.Items.Contains(format.name))
{
comboBoxImageType.Items.Add(format.name);
}
}
//outputFormatObj[] formats = map.outputformatlist;
//for (int i = 0; i < formats.Length; i++)
//{
// if (!comboBoxImageType.Items.Contains(formats[i].name))
// comboBoxImageType.Items.Add(formats[i].name);
//}
comboBoxImageType.SelectedItem = map.imagetype;
this.textBoxResolution.Text = map.resolution.ToString();
// setting up the projection information
this.textBoxProjection.Tag = map.getProjection();
this.textBoxProjection.Text = "";
string key = map.getFirstMetaDataKey();
while (key != null)
{
if (key == "coordsys_name")
{
this.textBoxProjection.Text = map.getMetaData("coordsys_name");
break;
}
key = map.getNextMetaDataKey(key);
}
if (this.textBoxProjection.Text == "")
{
string proj4;
int epsg;
this.textBoxProjection.Text = MapUtils.FindProjection(this.textBoxProjection.Tag.ToString(), out proj4, out epsg);
}
comboBoxUnits.DataSource = Enum.GetValues(typeof(MS_UNITS));
comboBoxUnits.SelectedItem = (MS_UNITS)map.units;
checkBoxTransparent.Checked = (map.outputformat.transparent == mapscript.MS_TRUE && map.outputformat.imagemode == (int)MS_IMAGEMODE.MS_IMAGEMODE_RGBA);
checkBoxTransparent.Enabled = (map.outputformat.imagemode == (int)MS_IMAGEMODE.MS_IMAGEMODE_RGB || map.outputformat.imagemode == (int)MS_IMAGEMODE.MS_IMAGEMODE_RGBA);
// extent tab
UpdateExtentValues();
SetDirty(false);
}