/// <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;
}
}
static void doc_PrintPage(object sender, PrintPageEventArgs e)
{
// Create the output format
outputFormatObj of = new outputFormatObj("CAIRO/WINGDIPRINT", "cairowinGDIPrint");
map.appendOutputFormat(of);
map.selectOutputFormat("cairowinGDIPrint");
map.resolution = e.Graphics.DpiX;
Console.WriteLine("map resolution = " + map.resolution.ToString() + "DPI defresolution = " + map.defresolution.ToString() + " DPI");
// Calculating the desired image size to cover the entire area;
map.width = Convert.ToInt32(e.PageBounds.Width * e.Graphics.DpiX / 100);
map.height = Convert.ToInt32(e.PageBounds.Height * e.Graphics.DpiY / 100);
Console.WriteLine("map size = " + map.width.ToString() + " * " + map.height.ToString() + " pixels");
IntPtr hdc = e.Graphics.GetHdc();
try
{
// Attach the device to the outputformat for drawing
of.attachDevice(hdc);
// Drawing directly to the GDI context
using (imageObj image = map.draw()) { };
}
finally
{
of.attachDevice(IntPtr.Zero);
e.Graphics.ReleaseHdc(hdc);
}
e.HasMorePages = false;
}
/// <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 static void Main(string[] args)
{
Console.WriteLine("");
if (args.Length < 3 || args.Length > 4)
{
usage();
}
bool ZoomToResults = (args.Length == 4 && args[3] == "-zoom");
mapObj map = new mapObj(args[0]);
Console.WriteLine("# Map layers " + map.numlayers + "; Map name = " + map.name);
QueryByAttribute(args[1], map, ZoomToResults);
map.querymap.status = mapscript.MS_ON;
map.querymap.color.setRGB(0, 0, 255, 255);
map.querymap.style = (int)MS_QUERYMAP_STYLES.MS_HILITE;
try
{
imageObj image = map.drawQuery();
image.save(args[2], map);
}
catch (Exception ex)
{
Console.WriteLine("QueryMap: ", ex.Message);
}
}
public static void Main(string[] args)
{
Console.WriteLine("");
if (args.Length < 2)
{
usage();
}
mapObj map = new mapObj(args[0]);
Console.WriteLine("# Map layers " + map.numlayers + "; Map name = " + map.name);
for (int i = 0; i < map.numlayers; i++)
{
Console.WriteLine("Layer [" + i + "] name: " + map.getLayer(i).name);
}
try
{
// Create the output format
outputFormatObj of = new outputFormatObj("CAIRO/WINGDI", "cairowinGDI");
map.appendOutputFormat(of);
map.selectOutputFormat("cairowinGDI");
Bitmap mapImage = new Bitmap(map.width, map.height, PixelFormat.Format32bppRgb);
using (Graphics g = Graphics.FromImage(mapImage))
{
IntPtr hdc = g.GetHdc();
try
{
// Attach the device to the outputformat for drawing
of.attachDevice(hdc);
// Drawing directly to the GDI context
using (imageObj image = map.draw()) { };
}
finally
{
of.attachDevice(IntPtr.Zero);
g.ReleaseHdc(hdc);
}
}
mapImage.Save(args[1]);
}
catch (Exception ex)
{
Console.WriteLine("\nMessage ---\n{0}", ex.Message);
Console.WriteLine(
"\nHelpLink ---\n{0}", ex.HelpLink);
Console.WriteLine("\nSource ---\n{0}", ex.Source);
Console.WriteLine(
"\nStackTrace ---\n{0}", ex.StackTrace);
Console.WriteLine(
"\nTargetSite ---\n{0}", ex.TargetSite);
}
}
internal static HandleRef getCPtrAndSetReference(imageObj obj, object parent) {
if (obj != null)
{
obj.swigParentRef = parent;
return obj.swigCPtr;
}
else
{
return new HandleRef(null, IntPtr.Zero);
}
}
internal static HandleRef getCPtrAndDisown(imageObj obj, object parent) {
if (obj != null)
{
obj.swigCMemOwn = false;
obj.swigParentRef = parent;
return obj.swigCPtr;
}
else
{
return new HandleRef(null, IntPtr.Zero);
}
}
public void testimageObj()
{
mapObj map = new mapObj(mapfile);
imageObj image = map.draw();
outputFormatObj format = image.format;
format.setOption("INTERLACE", "OFF");
map = null;
gc();
assert(format.getOption("INTERLACE", "") == "OFF", "testimageObj");
}
public static void Main(string[] args)
{
Console.WriteLine("");
if (args.Length < 2)
{
usage();
}
mapObj map = new mapObj(args[0]);
Console.WriteLine("# Map layers " + map.numlayers + "; Map name = " + map.name);
for (int i = 0; i < map.numlayers; i++)
{
Console.WriteLine("Layer [" + i + "] name: " + map.getLayer(i).name);
}
try
{
Bitmap mapImage = new Bitmap(map.width, map.height, PixelFormat.Format32bppRgb);
Stopwatch stopwatch = new Stopwatch();
stopwatch.Start();
using (imageObj image = map.draw())
{
BitmapData bitmapData = mapImage.LockBits(new Rectangle(0, 0, image.width, image.height), ImageLockMode.ReadWrite, PixelFormat.Format32bppRgb);
try
{
if (image.getRawPixels(bitmapData.Scan0) == (int)MS_RETURN_VALUE.MS_FAILURE)
{
Console.WriteLine("Unable to get image contents");
}
}
finally
{
mapImage.UnlockBits(bitmapData);
}
Console.WriteLine("Rendering time: " + stopwatch.ElapsedMilliseconds + "ms");
mapImage.Save(args[1]);
}
}
catch (Exception ex)
{
Console.WriteLine("\nMessage ---\n{0}", ex.Message);
Console.WriteLine(
"\nHelpLink ---\n{0}", ex.HelpLink);
Console.WriteLine("\nSource ---\n{0}", ex.Source);
Console.WriteLine(
"\nStackTrace ---\n{0}", ex.StackTrace);
Console.WriteLine(
"\nTargetSite ---\n{0}", ex.TargetSite);
}
}
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 static void Main(string[] args)
{
Console.WriteLine("");
if (args.Length < 2)
{
usage();
}
mapObj m_obj = new mapObj(args[0]);
if (args.Length >= 3)
{
Console.WriteLine("Setting the imagetype to " + args[2]);
m_obj.setImageType(args[2]);
}
Console.WriteLine("# Map layers " + m_obj.numlayers + "; Map name = " + m_obj.name);
for (int i = 0; i < m_obj.numlayers; i++)
{
Console.WriteLine("Layer [" + i + "] name: " + m_obj.getLayer(i).name);
}
imageObj i_obj = m_obj.draw();
Console.WriteLine("Image URL = " + i_obj.imageurl + "; Image path = " + i_obj.imagepath);
Console.WriteLine("Image height = " + i_obj.height + "; width = " + i_obj.width);
try
{
i_obj.save(args[1], m_obj);
}
catch (Exception ex)
{
Console.WriteLine("\nMessage ---\n{0}", ex.Message);
Console.WriteLine(
"\nHelpLink ---\n{0}", ex.HelpLink);
Console.WriteLine("\nSource ---\n{0}", ex.Source);
Console.WriteLine(
"\nStackTrace ---\n{0}", ex.StackTrace);
Console.WriteLine(
"\nTargetSite ---\n{0}", ex.TargetSite);
}
}
public static void Main(string[] args)
{
if (args.Length < 2)
{
usage();
}
try
{
mapObj map = new mapObj(args[0]);
using (imageObj image = map.draw())
{
// solution 1
Console.WriteLine("Drawing map: '" + map.name + "' using imageObj.getBytes");
byte[] img = image.getBytes();
using (MemoryStream ms = new MemoryStream(img))
{
Image mapimage = Image.FromStream(ms);
mapimage.Save(args[1]);
}
// solution 2
Console.WriteLine("Drawing map: '" + map.name + "' using imageObj.write");
using (FileStream fs = File.Open("_" + args[1], FileMode.OpenOrCreate, FileAccess.ReadWrite))
{
image.write(fs);
}
}
}
catch (Exception ex)
{
Console.WriteLine("GetBytes: ", ex.Message);
}
}
/// <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;
using (outputFormatObj format = map.outputformat)
{
string imageType = null;
if ((format.renderer != mapscript.MS_RENDER_WITH_GD &&
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)
{
// creating the icon for this layer
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
layer.getClass(0).drawLegendIcon(map, layer, 20, 10, image, 5, 5);
byte[] img = image.getBytes();
using (MemoryStream ms = new MemoryStream(img))
{
imageList.Images.Add(Image.FromStream(ms));
}
}
}
// extracting the features found
for (int j = 0; j < results.numresults; j++)
{
res = results.getResult(j);
feature = layer.getShape(res);
if (feature != null)
{
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();
}
}
}
}
}
}
}
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 = "";
}
}
}
public int setImage(imageObj image) {
int ret = mapscriptPINVOKE.symbolObj_setImage(swigCPtr, imageObj.getCPtr(image));
if (mapscriptPINVOKE.SWIGPendingException.Pending) throw mapscriptPINVOKE.SWIGPendingException.Retrieve();
return ret;
}
private void GenerateTile(double startX, double startY, double initTileGap, int imageSize, int imageBuffer, string savePath, int z, int x, int y, string imageFormat)
{
try
{
// active map variable
map.setSize(imageSize + (imageBuffer * 2), imageSize + (imageBuffer * 2));
// 0/0/0 tile variables
double startPointX = startX;
double startPointY = startY;
double initGap = initTileGap; // inital distance between tiles, for level 0 is max meters - min meters
// meta-buffer to fix labeling as a multiplier
double buffer = 1 + ((double)imageBuffer / (double)imageSize);
// find the spacing between each tile for level
double gap = (initGap / Math.Pow(2, z));
// buffer in meters for each level
double buffermeters = (gap * buffer) - gap;
// set map extents for tile x values
map.extent.minx = (startPointX + (gap * x)) - buffermeters;
map.extent.maxx = (startPointX + (gap * x) + gap) + buffermeters;
// set map extents for tile y values
map.extent.miny = (startPointY + (gap * y)) - buffermeters;
map.extent.maxy = (startPointY + (gap * y) + gap) + buffermeters;
// generate map image
using (imageObj image = map.draw())
{
Image mapImage;
byte[] img = image.getBytes();
using (MemoryStream ms = new MemoryStream(img))
{
mapImage = Image.FromStream(ms);
ms.Flush();
// clip buffer area off generated image
if (!(buffer == 0))
{
Rectangle cropRect = new Rectangle(imageBuffer, imageBuffer, imageSize, imageSize);
Bitmap bmpImage = new Bitmap(mapImage);
Bitmap bmpCrop = bmpImage.Clone(cropRect, bmpImage.PixelFormat);
mapImage = (Image)(bmpCrop);
}
// save image to disk in TMS format location
System.IO.Directory.CreateDirectory(savePath + "\\" + z + "\\" + x);
if (imageFormat == "png")
{
mapImage.Save(savePath + "\\" + z + "\\" + x + "\\" + y + "." + imageFormat, ImageFormat.Png);
}
if (imageFormat == "jpg")
{
mapImage.Save(savePath + "\\" + z + "\\" + x + "\\" + y + "." + imageFormat, ImageFormat.Jpeg);
}
}
}
}
catch (Exception ex)
{
ExceptionDump(ex);
}
}
/// <summary>
/// Update the Sample image according to the selected element
/// </summary>
/// <param name="target">Selected element</param>
private void UpdateSample(MapObjectHolder target)
{
layerObj layer = null;
mapObj map = null;
classObj classobj = null;
if (target.GetType() == typeof(layerObj))
{
layer = target;
map = layer.map;
classobj = layer.getClass(0);
}
else if (target.GetType() == typeof(classObj))
{
classobj = target;
if (classobj != null)
{
layer = classobj.layer;
}
if (layer != null)
{
map = layer.map;
}
}
if (map == null || layer == null || classobj == null)
{
pictureBoxSample.Image = null;
return;
}
styleObj style = classobj.getStyle(0);
double size = style.size;
// collect all fonts specified in the fontset file
Hashtable fonts = new Hashtable();
string key = null;
while ((key = this.map.fontset.fonts.nextKey(key)) != null)
{
fonts.Add(key, key);
}
textBoxInfo.Text = "";
if (style.symbol >= 0)
{
string font = ((mapObj)StyleLibrary.Styles).symbolset.getSymbol(style.symbol).font;
if (font != null && !fonts.ContainsKey(font))
{
textBoxInfo.Text = "WARNING: The fontset of the map doesn't contain " + font + " font. This symbol will not be selectable on the map.";
}
}
if (layer.type == MS_LAYER_TYPE.MS_LAYER_POINT)
{
// apply magnification for point styles
style.size = size * trackBarMagnify.Value / 4;
}
try
{
using (classObj def_class = new classObj(null)) // for drawing legend image
{
using (imageObj image2 = def_class.createLegendIcon(map, layer,
pictureBoxSample.Width, pictureBoxSample.Height))
{
classobj.drawLegendIcon(map, layer,
pictureBoxSample.Width, pictureBoxSample.Height, image2, 5, 5);
byte[] img = image2.getBytes();
using (MemoryStream ms = new MemoryStream(img))
{
pictureBoxSample.Image = Image.FromStream(ms);
}
}
}
}
finally
{
style.size = size;
}
}
public int draw(mapObj map, layerObj layer, imageObj image) {
int ret = mapscriptPINVOKE.shapeObj_draw(swigCPtr, mapObj.getCPtr(map), layerObj.getCPtr(layer), imageObj.getCPtr(image));
if (mapscriptPINVOKE.SWIGPendingException.Pending) throw mapscriptPINVOKE.SWIGPendingException.Retrieve();
return ret;
}
public static int msSaveImage(mapObj map, imageObj img, string filename) {
int ret = mapscriptPINVOKE.msSaveImage(mapObj.getCPtr(map), imageObj.getCPtr(img), filename);
if (mapscriptPINVOKE.SWIGPendingException.Pending) throw mapscriptPINVOKE.SWIGPendingException.Retrieve();
return ret;
}
public static void msFreeImage(imageObj img) {
mapscriptPINVOKE.msFreeImage(imageObj.getCPtr(img));
if (mapscriptPINVOKE.SWIGPendingException.Pending) throw mapscriptPINVOKE.SWIGPendingException.Retrieve();
}
internal static HandleRef getCPtr(imageObj obj) {
return (obj == null) ? new HandleRef(null, IntPtr.Zero) : obj.swigCPtr;
}
public static void Main(string[] args)
{
if (args.Length < 2)
{
usage();
}
// creating a new map from scratch
mapObj map = new mapObj(null);
// adding a layer
layerObj layer = new layerObj(map);
layer.type = MS_LAYER_TYPE.MS_LAYER_POINT;
layer.status = mapscript.MS_ON;
layer.connectiontype = MS_CONNECTION_TYPE.MS_INLINE;
// define the attribute names from the inline layer
layer.addProcessing("ITEMS=attribute1,attribute2,attribute3");
// define the class
classObj classobj = new classObj(layer);
classobj.template = "query"; // making the layer queryable
// setting up the text based on multiple attributes
classobj.setText("('Shape:' + '[attribute1]' + ' Color:' + '[attribute2]' + ' Size:' + '[attribute3]')");
// define the label
classobj.label.outlinecolor = new colorObj(255, 255, 255, 0);
classobj.label.force = mapscript.MS_TRUE;
classobj.label.size = (double)MS_BITMAP_FONT_SIZES.MS_MEDIUM;
classobj.label.position = (int)MS_POSITIONS_ENUM.MS_LC;
classobj.label.wrap = ' ';
// set up attribute binding
classobj.label.setBinding((int)MS_LABEL_BINDING_ENUM.MS_LABEL_BINDING_COLOR, "attribute2");
// define the style
styleObj style = new styleObj(classobj);
style.color = new colorObj(0, 255, 255, 0);
style.setBinding((int)MS_STYLE_BINDING_ENUM.MS_STYLE_BINDING_COLOR, "attribute2");
style.setBinding((int)MS_STYLE_BINDING_ENUM.MS_STYLE_BINDING_SIZE, "attribute3");
Random rand = new Random((int)DateTime.Now.ToFileTime());;
// creating the shapes
for (int i = 0; i < 10; i++)
{
shapeObj shape = new shapeObj((int)MS_SHAPE_TYPE.MS_SHAPE_POINT);
// setting the shape attributes
shape.initValues(4);
shape.setValue(0, Convert.ToString(i));
shape.setValue(1, new colorObj(rand.Next(255), rand.Next(255), rand.Next(255), 0).toHex());
shape.setValue(2, Convert.ToString(rand.Next(25) + 5));
lineObj line = new lineObj();
line.add(new pointObj(rand.Next(400) + 25, rand.Next(400) + 25, 0, 0));
shape.add(line);
layer.addFeature(shape);
}
map.width = 500;
map.height = 500;
map.setExtent(0, 0, 450, 450);
map.selectOutputFormat(args[0]);
imageObj image = map.draw();
image.save(args[1], map);
//perform a query
layer.queryByRect(map, new rectObj(0, 0, 450, 450, 0));
resultObj res;
shapeObj feature;
using (resultCacheObj results = layer.getResults())
{
if (results != null && results.numresults > 0)
{
// extracting the features found
layer.open();
for (int j = 0; j < results.numresults; j++)
{
res = results.getResult(j);
feature = layer.getShape(res);
if (feature != null)
{
Console.WriteLine(" Feature: shapeindex=" + res.shapeindex + " tileindex=" + res.tileindex);
for (int k = 0; k < layer.numitems; k++)
{
Console.Write(" " + layer.getItem(k));
Console.Write(" = ");
Console.Write(feature.getValue(k));
Console.WriteLine();
}
}
}
layer.close();
}
}
}
public int drawLegendIcon(mapObj map, layerObj layer, int width, int height, imageObj dstImage, int dstX, int dstY) {
int ret = mapscriptPINVOKE.classObj_drawLegendIcon(swigCPtr, mapObj.getCPtr(map), layerObj.getCPtr(layer), width, height, imageObj.getCPtr(dstImage), dstX, dstY);
if (mapscriptPINVOKE.SWIGPendingException.Pending) throw mapscriptPINVOKE.SWIGPendingException.Retrieve();
return ret;
}
public int draw(mapObj map, layerObj layer, imageObj image, int classindex, string text) {
int ret = mapscriptPINVOKE.rectObj_draw(swigCPtr, mapObj.getCPtr(map), layerObj.getCPtr(layer), imageObj.getCPtr(image), classindex, text);
if (mapscriptPINVOKE.SWIGPendingException.Pending) throw mapscriptPINVOKE.SWIGPendingException.Retrieve();
return ret;
}
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);
}
}
}
}
}
public int drawLabelCache(imageObj image) {
int ret = mapscriptPINVOKE.mapObj_drawLabelCache(swigCPtr, imageObj.getCPtr(image));
if (mapscriptPINVOKE.SWIGPendingException.Pending) throw mapscriptPINVOKE.SWIGPendingException.Retrieve();
return ret;
}
public int embedLegend(imageObj image) {
int ret = mapscriptPINVOKE.mapObj_embedLegend(swigCPtr, imageObj.getCPtr(image));
if (mapscriptPINVOKE.SWIGPendingException.Pending) throw mapscriptPINVOKE.SWIGPendingException.Retrieve();
return ret;
}
/// <summary>
/// Export a legend image with specific requirements (bug 1015)
/// </summary>
/// <param name="map">The map object</param>
/// <param name="width">The desired legend width</param>
/// <param name="height">The desired legend height</param>
/// <returns></returns>
public static byte[] ExportLegend(mapObj map)
{
int width = 10;
int height = 10;
Bitmap bmp = null;
Graphics g = null;
for (int phase = 0; phase < 2; phase++)
{
if (phase == 0)
{
bmp = new Bitmap(100, 100, System.Drawing.Imaging.PixelFormat.Format24bppRgb);
}
else
{
bmp = new Bitmap(width, height, System.Drawing.Imaging.PixelFormat.Format24bppRgb);
}
g = Graphics.FromImage(bmp);
Stack groupPositions = new Stack(); // for storing the group text positions
Font legendFont = new Font("MS Sans Sherif", 8); // set default font
g.Clear(Color.White); // clear the background
int xPos = 5; // padding
int yPos = 5;
int xOffset = 24; // legend indent in pixels
int yOffset = 18; // item height in pixels
// force the recalculation of the current scale
map.setExtent(map.extent.minx, map.extent.miny, map.extent.maxx, map.extent.maxy);
// start drawing the legend in reverse layer order
using (intarray ar = map.getLayersDrawingOrder())
{
for (int i = map.numlayers - 1; i >= 0; i--)
{
layerObj layer = map.getLayer(ar.getitem(i));
if (layer.name == "__embed__scalebar" || layer.name == "__embed__legend" ||
layer.status == mapscript.MS_OFF || layer.name.StartsWith("~"))
{
continue;
}
if (map.scaledenom > 0)
{
if (layer.maxscaledenom > 0 && map.scaledenom > layer.maxscaledenom)
{
continue;
}
if (layer.minscaledenom > 0 && map.scaledenom <= layer.minscaledenom)
{
continue;
}
}
if (layer.maxscaledenom <= 0 && layer.minscaledenom <= 0)
{
if (layer.maxgeowidth > 0 && ((map.extent.maxx - map.extent.minx) > layer.maxgeowidth))
{
continue;
}
if (layer.mingeowidth > 0 && ((map.extent.maxx - map.extent.minx) < layer.mingeowidth))
{
continue;
}
}
// draw raster or WMS layers
if (layer.type == MS_LAYER_TYPE.MS_LAYER_RASTER)
{
if (phase == 1)
{
g.DrawIcon(global::MapLibrary.Properties.Resources.raster, xPos, yPos);
g.DrawString(layer.name, legendFont, Brushes.Black, xPos + 30, yPos + 2);
}
SizeF size = g.MeasureString(layer.name, legendFont);
if (xPos + 30 + size.Width + 5 > width)
{
width = Convert.ToInt32(xPos + 30 + size.Width + 5);
}
yPos += yOffset;
continue;
}
int numClasses = 0;
Image legendImage = null;
string legendText = null;
for (int j = 0; j < layer.numclasses; j++)
{
classObj layerclass = layer.getClass(j);
if (layerclass.name == "EntireSelection" || layerclass.name == "CurrentSelection")
{
continue;
}
if (layerclass.status == mapscript.MS_OFF)
{
continue;
}
if (map.scaledenom > 0)
{ /* verify class scale here */
if (layerclass.maxscaledenom > 0 && (map.scaledenom > layerclass.maxscaledenom))
{
continue;
}
if (layerclass.minscaledenom > 0 && (map.scaledenom <= layerclass.minscaledenom))
{
continue;
}
}
if (numClasses == 1)
{
// draw subclasses
xPos += xOffset;
if (phase == 1)
{
// drawing the first class item (same as the layer)
g.DrawImage(legendImage, xPos, yPos);
g.DrawString(legendText, legendFont,
Brushes.Black, xPos + 30, yPos + 2);
}
SizeF size = g.MeasureString(legendText, legendFont);
if (xPos + 30 + size.Width + 5 > width)
{
width = Convert.ToInt32(xPos + 30 + size.Width + 5);
}
yPos += yOffset;
}
++numClasses; // number of visible classes
// creating the treeicons
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
layerclass.drawLegendIcon(map, layer, 20, 10, image, 5, 5);
byte[] img = image.getBytes();
using (MemoryStream ms = new MemoryStream(img))
{
legendImage = Image.FromStream(ms);
legendText = layerclass.name;
if (phase == 1)
{
g.DrawImage(legendImage, xPos, yPos);
}
if (numClasses > 1)
{
// draw the class item
if (phase == 1)
{
g.DrawString(layerclass.name, legendFont,
Brushes.Black, xPos + 30, yPos + 3);
}
SizeF size = g.MeasureString(layerclass.name, legendFont);
if (xPos + 30 + size.Width + 5 > width)
{
width = Convert.ToInt32(xPos + 30 + size.Width + 5);
}
}
else
{
// draw the layer item
if (phase == 1)
{
g.DrawString(layer.name, legendFont,
Brushes.Black, xPos + 30, yPos + 3);
}
SizeF size = g.MeasureString(layer.name, legendFont);
if (xPos + 30 + size.Width + 5 > width)
{
width = Convert.ToInt32(xPos + 30 + size.Width + 5);
}
if (string.Compare(layer.styleitem, "AUTO", true) == 0)
{
yPos += yOffset;
break;
}
}
}
}
}
yPos += yOffset;
}
if (numClasses > 1)
{
xPos -= xOffset;
}
}
}
height = yPos + 5;
}
g.Flush();
MemoryStream ms2 = new MemoryStream();
bmp.Save(ms2, System.Drawing.Imaging.ImageFormat.Png);
return(ms2.ToArray());
}
public static void Main(string[] args)
{
Console.WriteLine("");
if (args.Length < 2)
{
usage();
}
mapObj map = new mapObj(args[0]);
Console.WriteLine("# Map layers " + map.numlayers + "; Map name = " + map.name);
for (int i = 0; i < map.numlayers; i++)
{
Console.WriteLine("Layer [" + i + "] name: " + map.getLayer(i).name);
}
try
{
WriteableBitmap mapImage = new WriteableBitmap(map.width, map.height, 96, 96, PixelFormats.Bgr32, null);
Stopwatch stopwatch = new Stopwatch();
stopwatch.Start();
using (imageObj image = map.draw())
{
// Reserve the back buffer for updates.
mapImage.Lock();
try
{
if (image.getRawPixels(mapImage.BackBuffer) == (int)MS_RETURN_VALUE.MS_FAILURE)
{
Console.WriteLine("Unable to get image contents");
}
// Specify the area of the bitmap that changed.
mapImage.AddDirtyRect(new Int32Rect(0, 0, map.width, map.height));
}
finally
{
// Release the back buffer and make it available for display.
mapImage.Unlock();
}
Console.WriteLine("Rendering time: " + stopwatch.ElapsedMilliseconds + "ms");
// Save the bitmap into a file.
using (FileStream stream = new FileStream(args[1], FileMode.Create))
{
PngBitmapEncoder encoder = new PngBitmapEncoder();
encoder.Frames.Add(BitmapFrame.Create(mapImage));
encoder.Save(stream);
}
}
}
catch (Exception ex)
{
Console.WriteLine("\nMessage ---\n{0}", ex.Message);
Console.WriteLine(
"\nHelpLink ---\n{0}", ex.HelpLink);
Console.WriteLine("\nSource ---\n{0}", ex.Source);
Console.WriteLine(
"\nStackTrace ---\n{0}", ex.StackTrace);
Console.WriteLine(
"\nTargetSite ---\n{0}", ex.TargetSite);
}
}
