/// <summary>
/// Update the preview according to the changes
/// </summary>
private void UpdatePreview()
{
if (style != null && enablePreview)
{
styleObj pstyle = style.clone();
Update(pstyle);
classObj styleclass = new classObj(null);
styleclass.insertStyle(pstyle, -1);
using (classObj def_class = new classObj(null)) // for drawing legend images
{
using (imageObj image2 = def_class.createLegendIcon(
map, layer, pictureBoxPreview.Width, pictureBoxPreview.Height))
{
styleclass.drawLegendIcon(map, layer,
pictureBoxPreview.Width - 10, pictureBoxPreview.Height - 10, image2, 4, 4);
byte[] img = image2.getBytes();
using (MemoryStream ms = new MemoryStream(img))
{
pictureBoxPreview.Image = Image.FromStream(ms);
}
}
}
}
else
{
pictureBoxPreview.Image = null;
}
}
/// <summary>
/// Update the list item according to a modified style
/// </summary>
/// <param name="index">the index of the lit item</param>
/// <param name="style">the style object</param>
private void UpdateStyleInList(int index)
{
layerObj layer;
if (target.GetParent().GetType() == typeof(scalebarObj))
{
layer = new layerObj(null);
}
else
{
layer = target.GetParent().GetParent();
}
ListViewItem item = listViewStyles.Items[index];
styleObj style = (styleObj)item.Tag;
classObj styleclass = new classObj(null);
styleclass.insertStyle(style, -1);
// creating the list icon
using (classObj def_class = new classObj(null)) // for drawing legend images
{
using (imageObj image2 = def_class.createLegendIcon(map, layer, 30, 20))
{
MS_LAYER_TYPE type = layer.type;
try
{
// modify the layer type in certain cases for drawing correct images
string geomtransform = style.getGeomTransform().ToLower();
if (geomtransform != null)
{
if (geomtransform.Contains("labelpoly"))
{
layer.type = MS_LAYER_TYPE.MS_LAYER_POLYGON;
}
else if (geomtransform.Contains("labelpnt"))
{
layer.type = MS_LAYER_TYPE.MS_LAYER_POINT;
}
}
styleclass.drawLegendIcon(map, layer, 20, 10, image2, 5, 5);
}
finally
{
layer.type = type;
}
byte[] img = image2.getBytes();
using (MemoryStream ms = new MemoryStream(img))
{
imageList.Images[item.ImageIndex] = Image.FromStream(ms);
}
item.SubItems[1].Text = style.size.ToString();
item.SubItems[2].Text = style.width.ToString();
item.SubItems[3].Text = style.symbolname;
}
}
}
public void testRemoveStyleObj()
{
mapObj map = new mapObj(mapfile);
layerObj layer = map.getLayer(1);
classObj classobj = layer.getClass(0);
styleObj newStyle = new styleObj(null);
classobj.insertStyle(newStyle, 0);
classobj.removeStyle(0);
map = null; layer = null; classobj = null;
gc();
assert(newStyle.refcount == 1, "testRemoveStyleObj");
}
public void testInsertStyleObj()
{
mapObj map = new mapObj(mapfile);
layerObj layer = map.getLayer(1);
classObj classobj = layer.getClass(0);
styleObj newStyle = new styleObj(null);
classobj.insertStyle(newStyle, -1);
assert(newStyle.refcount == 2, "testInsertStyleObj precondition");
map = null; layer = null; classobj = null;
gc();
assert(newStyle.refcount == 2, "testInsertStyleObj");
}
private ListViewItem AddListItem(styleObj classStyle, layerObj layer, string name)
{
ListViewItem item = null;
classObj styleclass = new classObj(null);
styleclass.insertStyle(classStyle, -1);
mapObj map2 = map;
if (layer.map != null)
{
map2 = layer.map;
}
// creating the listicons
using (classObj def_class = new classObj(null)) // for drawing legend images
{
using (imageObj image2 = def_class.createLegendIcon(
map2, layer, imageList.ImageSize.Width, imageList.ImageSize.Height))
{
MS_LAYER_TYPE type = layer.type;
try
{
//SETPH: actually we should not modify the type of the style(point line polygon) for the style category list, only for the preview
//// modify the layer type in certain cases for drawing correct images
//if (comboBoxGeomTransform.Text.ToLower().Contains("labelpoly"))
//layer.type = MS_LAYER_TYPE.MS_LAYER_POLYGON;
//else if (comboBoxGeomTransform.Text.ToLower().Contains("labelpnt"))
//layer.type = MS_LAYER_TYPE.MS_LAYER_POINT;
styleclass.drawLegendIcon(map2, layer, 44, 44, image2, 2, 2);
}
finally
{
layer.type = type;
}
byte[] img = image2.getBytes();
using (MemoryStream ms = new MemoryStream(img))
{
imageList.Images.Add(Image.FromStream(ms));
}
// add new item
item = new ListViewItem(name, imageList.Images.Count - 1);
item.ToolTipText = name;
item.Tag = classStyle;
listView.Items.Add(item);
}
}
return(item);
}
public void testInsertStyleObjDestroy()
{
mapObj map = new mapObj(mapfile);
layerObj layer = map.getLayer(1);
classObj classobj = layer.getClass(0);
styleObj newStyle = new styleObj(null);
classobj.insertStyle(newStyle, 0);
styleObj reference = classobj.getStyle(0);
assert(newStyle.refcount == 3, "testInsertStyleObjDestroy precondition");
newStyle.Dispose(); // force the destruction for Mono on Windows because of the constructor overload
map = null; layer = null; classobj = null; newStyle = null;
gc();
assert(reference.refcount == 2, "testInsertStyleObjDestroy");
}
/// <summary>
/// Creating a sample (preview) based on a classObj, styleObj or labelObj.
/// </summary>
/// <param name="original">The wrapper holding the original object.</param>
private void CreateSampleMap(MapObjectHolder original)
{
MapObjectHolder originalMap = null;
MapObjectHolder originalLayer = null;
MapObjectHolder originalClass = null;
// create a sample map to render a preview of the given object
if (original.GetType() == typeof(classObj))
{
// tracking down the whole object tree
originalLayer = original.GetParent();
if (originalLayer != null)
originalMap = originalLayer.GetParent();
// creating a new compatible map object
if (originalMap != null)
{
layerObj layer = InitializeDefaultLayer(originalMap, originalLayer);
layer.insertClass(((classObj)original).clone(), -1);
// bindings are not supported with sample maps
classObj classobj = layer.getClass(0);
for (int i = 0; i < classobj.numstyles; i++)
StyleBindingController.RemoveAllBindings(classobj.getStyle(i));
for (int i = 0; i < classobj.numlabels; i++)
LabelBindingController.RemoveAllBindings(classobj.getLabel(i));
classobj.setText("Sample text");
classobj.setExpression(""); // remove expression to have the class shown
this.target = new MapObjectHolder(classobj, original.GetParent());
}
}
else if (original.GetType() == typeof(styleObj))
{
// tracking down the whole object tree
if (original.GetParent().GetType() == typeof(labelObj))
originalClass = original.GetParent().GetParent();
else
originalClass = original.GetParent();
if (originalClass != null)
originalLayer = originalClass.GetParent();
if (originalLayer != null)
originalMap = originalLayer.GetParent();
// creating a new compatible map object
if (originalMap != null)
{
layerObj layer = InitializeDefaultLayer(originalMap, originalLayer);
classObj classobj = new classObj(layer);
classobj.name = MapUtils.GetClassName(layer);
styleObj style;
if (original.GetParent().GetType() == typeof(labelObj))
{
classobj.addLabel(new labelObj());
labelObj label = classobj.getLabel(classobj.numlabels - 1);
MapUtils.SetDefaultLabel(label, layer.map);
label.insertStyle(((styleObj)original).clone(), -1);
style = label.getStyle(0);
}
else
{
classobj.insertStyle(((styleObj)original).clone(), -1);
style = classobj.getStyle(0);
}
// bindings are not supported with sample maps
StyleBindingController.RemoveAllBindings(style);
classobj.setText("Sample text");
this.target = new MapObjectHolder(style, original.GetParent());
}
}
else if (original.GetType() == typeof(labelObj))
{
// tracking down the whole object tree
originalClass = original.GetParent();
if (originalClass != null)
{
if (originalClass.GetType() == typeof(classObj))
{
originalLayer = originalClass.GetParent();
if (originalLayer != null)
originalMap = originalLayer.GetParent();
}
else if (originalClass.GetType() == typeof(scalebarObj))
{
originalMap = originalClass.GetParent();
}
}
// creating a new compatible map object
if (originalMap != null)
{
layerObj layer = InitializeDefaultLayer(originalMap, originalLayer);
classObj classobj = new classObj(layer);
classobj.name = MapUtils.GetClassName(layer);
labelObj label = new labelObj();
if (originalClass.GetType() == typeof(classObj))
{
// copy settings
label.updateFromString(((labelObj)original).convertToString());
}
classobj.addLabel(label);
this.target = new MapObjectHolder(layer.getClass(0).getLabel(0), original.GetParent());
}
}
else
throw new Exception("Invalid target type: " + original.GetType());
}
private void UpdatePreview()
{
if (style != null && enablePreview)
{
styleObj pstyle = style.clone();
Update(pstyle);
// apply current settings (opacity) to colors
colorPickerColor.SetColor(pstyle.color);
colorPickerBackColor.SetColor(pstyle.backgroundcolor);
colorPickerOutlineColor.SetColor(pstyle.outlinecolor);
// select the proper map containing symbols
mapObj stylemap = map;
if (listView.SelectedItems.Count > 0 && listView.SelectedItems[0].Text != "Default")
{
if (comboBoxCategory.Text != "Inline Symbols")
{
stylemap = StyleLibrary.Styles;
}
styleObj classStyle = (styleObj)listView.SelectedItems[0].Tag;
pstyle.setSymbolByName(stylemap, classStyle.symbolname);
}
else
{
pstyle.symbol = 0;
pstyle.symbolname = null;
}
classObj styleclass = new classObj(null);
styleclass.insertStyle(pstyle, -1);
using (classObj def_class = new classObj(null)) // for drawing legend images
{
using (imageObj image2 = def_class.createLegendIcon(
stylemap, layer, pictureBoxSample.Width, pictureBoxSample.Height))
{
MS_LAYER_TYPE type = layer.type;
try
{
// modify the layer type in certain cases for drawing correct images
if (comboBoxGeomTransform.Text.ToLower().Contains("labelpoly"))
{
layer.type = MS_LAYER_TYPE.MS_LAYER_POLYGON;
}
else if (comboBoxGeomTransform.Text.ToLower().Contains("labelpnt") || comboBoxGeomTransform.Text.ToLower().Contains("centroid"))
{
layer.type = MS_LAYER_TYPE.MS_LAYER_POINT;
}
styleclass.drawLegendIcon(stylemap, layer,
pictureBoxSample.Width - 10, pictureBoxSample.Height - 10, image2, 4, 4);
}
finally
{
layer.type = type;
}
byte[] img = image2.getBytes();
using (MemoryStream ms = new MemoryStream(img))
{
pictureBoxSample.Image = Image.FromStream(ms);
}
}
}
}
}
private void UpdatePreview()
{
if (style != null && enablePreview)
{
styleObj pstyle = style.clone();
Update(pstyle);
// apply current settings (opacity) to colors
colorPickerColor.SetColor(pstyle.color);
colorPickerBackColor.SetColor(pstyle.backgroundcolor);
colorPickerOutlineColor.SetColor(pstyle.outlinecolor);
// select the proper map containing symbols
mapObj stylemap = map;
if (listView.SelectedItems.Count > 0 && listView.SelectedItems[0].Text != "Default")
{
if (comboBoxCategory.Text != "Inline Symbols")
stylemap = StyleLibrary.Styles;
styleObj classStyle = (styleObj)listView.SelectedItems[0].Tag;
pstyle.setSymbolByName(stylemap, classStyle.symbolname);
}
else
{
pstyle.symbol = 0;
pstyle.symbolname = null;
}
classObj styleclass = new classObj(null);
styleclass.insertStyle(pstyle, -1);
using (classObj def_class = new classObj(null)) // for drawing legend images
{
using (imageObj image2 = def_class.createLegendIcon(
stylemap, layer, pictureBoxSample.Width, pictureBoxSample.Height))
{
MS_LAYER_TYPE type = layer.type;
try
{
// modify the layer type in certain cases for drawing correct images
if (comboBoxGeomTransform.Text.ToLower().Contains("labelpoly"))
layer.type = MS_LAYER_TYPE.MS_LAYER_POLYGON;
else if (comboBoxGeomTransform.Text.ToLower().Contains("labelpnt") || comboBoxGeomTransform.Text.ToLower().Contains("centroid"))
layer.type = MS_LAYER_TYPE.MS_LAYER_POINT;
styleclass.drawLegendIcon(stylemap, layer,
pictureBoxSample.Width - 10, pictureBoxSample.Height - 10, image2, 4, 4);
}
finally
{
layer.type = type;
}
byte[] img = image2.getBytes();
using (MemoryStream ms = new MemoryStream(img))
{
pictureBoxSample.Image = Image.FromStream(ms);
}
}
}
}
}
private ListViewItem AddListItem(styleObj classStyle, layerObj layer, string name)
{
ListViewItem item = null;
classObj styleclass = new classObj(null);
styleclass.insertStyle(classStyle, -1);
mapObj map2 = map;
if (layer.map != null)
map2 = layer.map;
// creating the listicons
using (classObj def_class = new classObj(null)) // for drawing legend images
{
using (imageObj image2 = def_class.createLegendIcon(
map2, layer, imageList.ImageSize.Width, imageList.ImageSize.Height))
{
MS_LAYER_TYPE type = layer.type;
try
{
//SETPH: actually we should not modify the type of the style(point line polygon) for the style category list, only for the preview
//// modify the layer type in certain cases for drawing correct images
//if (comboBoxGeomTransform.Text.ToLower().Contains("labelpoly"))
//layer.type = MS_LAYER_TYPE.MS_LAYER_POLYGON;
//else if (comboBoxGeomTransform.Text.ToLower().Contains("labelpnt"))
//layer.type = MS_LAYER_TYPE.MS_LAYER_POINT;
styleclass.drawLegendIcon(map2, layer, 44, 44, image2, 2, 2);
}
finally
{
layer.type = type;
}
byte[] img = image2.getBytes();
using (MemoryStream ms = new MemoryStream(img))
{
imageList.Images.Add(Image.FromStream(ms));
}
// add new item
item = new ListViewItem(name, imageList.Images.Count - 1);
item.ToolTipText = name;
item.Tag = classStyle;
listView.Items.Add(item);
}
}
return item;
}
/// <summary>
/// Adding a new styleObj to the corresponding classObj.
/// </summary>
/// <param name="nodes">The TreeNodeCollection of the parent object</param>
/// <param name="styleHolder">Wrapper class containing the styleObj and the parent object</param>
/// /// <param name="showRoot">A flag indicating whether the root object should be displayed or not.</param>
private void AddStyleNode(TreeNodeCollection nodes, MapObjectHolder styleHolder, ImageList imageList)
{
layerObj layer = styleHolder.GetParent().GetParent();
classObj layerclass = styleHolder.GetParent();
styleObj classStyle = styleHolder;
classObj styleclass = new classObj(null);
styleclass.name = MapUtils.GetClassName(layer);
styleclass.insertStyle(classStyle, -1);
// creating the treeicons
using (classObj def_class = new classObj(null)) // for drawing legend images
{
using (imageObj image2 = def_class.createLegendIcon(
map, layer, legendIconSize.Width, legendIconSize.Height))
{
styleclass.drawLegendIcon(map, layer,
legendDrawingSize.Width, legendDrawingSize.Height, image2,
LegendIconPadding.Left, LegendIconPadding.Top);
byte[] img = image2.getBytes();
using (MemoryStream ms = new MemoryStream(img))
{
imageList.Images.Add(Image.FromStream(ms));
}
TreeNode styleNode = new TreeNode("Style (" + nodes.Count + ")",
imageList.Images.Count - 1, imageList.Images.Count - 1);
styleNode.Tag = styleHolder;
styleNode.Checked = true;
nodes.Add(styleNode);
}
}
}
/// <summary>
/// Update the list item according to a modified style
/// </summary>
/// <param name="index">the index of the lit item</param>
/// <param name="style">the style object</param>
private void UpdateStyleInList(int index)
{
layerObj layer;
if (target.GetParent().GetType() == typeof(scalebarObj))
layer = new layerObj(null);
else
layer = target.GetParent().GetParent();
ListViewItem item = listViewStyles.Items[index];
styleObj style = (styleObj)item.Tag;
classObj styleclass = new classObj(null);
styleclass.insertStyle(style, -1);
// creating the list icon
using (classObj def_class = new classObj(null)) // for drawing legend images
{
using (imageObj image2 = def_class.createLegendIcon(map, layer, 30, 20))
{
MS_LAYER_TYPE type = layer.type;
try
{
// modify the layer type in certain cases for drawing correct images
string geomtransform = style.getGeomTransform().ToLower();
if (geomtransform != null)
{
if (geomtransform.Contains("labelpoly"))
layer.type = MS_LAYER_TYPE.MS_LAYER_POLYGON;
else if (geomtransform.Contains("labelpnt"))
layer.type = MS_LAYER_TYPE.MS_LAYER_POINT;
}
styleclass.drawLegendIcon(map, layer, 20, 10, image2, 5, 5);
}
finally
{
layer.type = type;
}
byte[] img = image2.getBytes();
using (MemoryStream ms = new MemoryStream(img))
{
imageList.Images[item.ImageIndex] = Image.FromStream(ms);
}
item.SubItems[1].Text = style.size.ToString();
item.SubItems[2].Text = style.width.ToString();
item.SubItems[3].Text = style.symbolname;
}
}
}
/// <summary>
/// Update the preview according to the changes
/// </summary>
private void UpdatePreview()
{
if (style != null && enablePreview)
{
styleObj pstyle = style.clone();
Update(pstyle);
classObj styleclass = new classObj(null);
styleclass.insertStyle(pstyle, -1);
using (classObj def_class = new classObj(null)) // for drawing legend images
{
using (imageObj image2 = def_class.createLegendIcon(
map, layer, pictureBoxPreview.Width, pictureBoxPreview.Height))
{
styleclass.drawLegendIcon(map, layer,
pictureBoxPreview.Width - 10, pictureBoxPreview.Height - 10, image2, 4, 4);
byte[] img = image2.getBytes();
using (MemoryStream ms = new MemoryStream(img))
{
pictureBoxPreview.Image = Image.FromStream(ms);
}
}
}
}
else
pictureBoxPreview.Image = null;
}