private void buttonSnapshot_Click(object sender, EventArgs e)
{
try
{
using (var phandle = new ProcessHandle(_pid, ProcessAccess.QueryInformation | ProcessAccess.VmRead))
{
_currentHtCollection = phandle.GetHandleTraces();
if (_symbols != null)
{
_symbols.Dispose();
}
SymbolProvider.Options |= SymbolOptions.DeferredLoads;
_symbols = new SymbolProvider(phandle);
WorkQueue.GlobalQueueWorkItem(new Action(() =>
{
var symbols = _symbols;
_symbols.PreloadModules = true;
try
{
foreach (var module in phandle.GetModules())
{
try
{
symbols.LoadModule(module.FileName, module.BaseAddress);
}
catch
{ }
}
}
catch
{ }
try
{
foreach (var module in Windows.GetKernelModules())
{
try
{
symbols.LoadModule(module.FileName, module.BaseAddress);
}
catch
{ }
}
}
catch
{ }
}));
}
this.PopulateHandleTraceList();
}
catch (Exception ex)
{
this.ShowException("Error getting the handle trace snapshot", ex);
}
}
public EventProperties(LogEvent even)
{
InitializeComponent();
_event = even;
textSystemCall.Text = MainWindow.SysCallNames.ContainsKey(even.Event.CallNumber) ? MainWindow.SysCallNames[even.Event.CallNumber] : "(unknown)";
textTime.Text = _event.Event.Time.ToString();
textMode.Text = _event.Event.Mode == KProcessorMode.UserMode ? "User-mode" : "Kernel-mode";
for (int i = 0; i < _event.Event.Arguments.Length; i++)
{
ListViewItem item = new ListViewItem();
item.Text = i.ToString();
item.SubItems.Add(new ListViewItem.ListViewSubItem(item, "0x" + _event.Event.Arguments[i].ToString("x")));
if (_event.Arguments[i] != null)
{
string text = "";
SsData data = _event.Arguments[i];
if (data is SsSimple)
{
text = (data as SsSimple).Argument.ToString();
}
else if (data is SsHandle)
{
SsHandle handle = data as SsHandle;
if (!string.IsNullOrEmpty(handle.Name))
{
text = handle.TypeName + ": " + handle.Name;
}
else
{
text = handle.TypeName + ": PID: " + handle.ProcessId.ToString() +
", TID: " + handle.ThreadId.ToString();
}
}
else if (data is SsUnicodeString)
{
text = (data as SsUnicodeString).String;
}
else if (data is SsObjectAttributes)
{
SsObjectAttributes oa = data as SsObjectAttributes;
text = "";
if (oa.RootDirectory != null)
{
text = oa.RootDirectory.Name;
}
if (oa.ObjectName != null)
{
if (!string.IsNullOrEmpty(text))
{
text = text + "\\" + oa.ObjectName.String;
}
else
{
text = oa.ObjectName.String;
}
}
}
else if (data is SsClientId)
{
text = "PID: " + (data as SsClientId).Original.ProcessId.ToString() +
", TID: " + (data as SsClientId).Original.ThreadId.ToString();
}
item.SubItems.Add(new ListViewItem.ListViewSubItem(item, text));
item.SubItems.Add(new ListViewItem.ListViewSubItem(item, _event.Arguments[i].GetType().Name.Remove(0, 2)));
}
else
{
item.SubItems.Add(new ListViewItem.ListViewSubItem(item, ""));
item.SubItems.Add(new ListViewItem.ListViewSubItem(item, ""));
}
listArguments.Items.Add(item);
}
SymbolProvider.Options = SymbolOptions.DeferredLoads | SymbolOptions.UndName;
try
{
using (var phandle = new ProcessHandle(_event.Event.ProcessId,
ProcessAccess.QueryInformation | ProcessAccess.VmRead))
{
_symbols = new SymbolProvider(phandle);
phandle.EnumModules((module) =>
{
_symbols.LoadModule(module.FileName, module.BaseAddress, module.Size);
return(true);
});
Windows.EnumKernelModules((module) =>
{
_symbols.LoadModule(module.FileName, module.BaseAddress);
return(true);
});
_symbols.PreloadModules = true;
for (int i = 0; i < _event.Event.StackTrace.Length; i++)
{
var address = _event.Event.StackTrace[i];
string fileName;
IntPtr baseAddress;
fileName = _symbols.GetModuleFromAddress(address, out baseAddress);
listStackTrace.Items.Add(new ListViewItem(new string[]
{
"0x" + address.ToString("x"),
(new System.IO.FileInfo(fileName)).Name + "+0x" + address.Decrement(baseAddress).ToString("x")
}));
WorkQueue.GlobalQueueWorkItemTag(new Action <int, IntPtr>((i_, address_) =>
{
string symbol = _symbols.GetSymbolFromAddress(address_.ToUInt64());
if (this.IsHandleCreated)
{
this.BeginInvoke(new Action(() => listStackTrace.Items[i_].SubItems[1].Text = symbol));
}
}), "resolve-symbol", i, address);
}
}
}
catch
{ }
listArguments.SetDoubleBuffered(true);
listStackTrace.SetDoubleBuffered(true);
}
private void ThreadWindow_FormClosing(object sender, FormClosingEventArgs e)
{
Settings.Instance.ThreadWindowSize = this.Size;
Settings.Instance.CallStackColumns = ColumnSettings.SaveSettings(listViewCallStack);
_symbols = null;
}
public void TestGettingSymbolsFromModuleDeclaration()
{
var symbolProvider = new SymbolProvider(m_fixture.ProviderContext);
var documentSymbolParams = new DocumentSymbolParams()
{
TextDocument = new TextDocumentIdentifier()
{
Uri = m_fixture.GetChildUri(@"project\project.bxt")
}
};
var documentSymbolsResult = symbolProvider.DocumentSymbols(documentSymbolParams, CancellationToken.None);
Assert.True(documentSymbolsResult.IsSuccess);
var symbols = documentSymbolsResult.SuccessValue
.OrderBy(symbol => symbol.Name)
.ToArray();
Assert.Equal(
new SymbolInformation[]
{
new SymbolInformation()
{
Name = "A.B.C.a", Kind = SymbolKind.Constant
},
new SymbolInformation()
{
Name = "A.B.C.b", Kind = SymbolKind.Constant
},
new SymbolInformation()
{
Name = "callingAlias", Kind = SymbolKind.Variable
},
new SymbolInformation()
{
Name = "callingDeployDirectly", Kind = SymbolKind.Variable
},
new SymbolInformation()
{
Name = "completionForGenerics1", Kind = SymbolKind.Variable
},
new SymbolInformation()
{
Name = "completionForGenerics2", Kind = SymbolKind.Variable
},
new SymbolInformation()
{
Name = "IFoo", Kind = SymbolKind.Interface
},
new SymbolInformation()
{
Name = "qualifier", Kind = SymbolKind.Variable
},
new SymbolInformation()
{
Name = "value", Kind = SymbolKind.Variable
},
new SymbolInformation()
{
Name = "value2", Kind = SymbolKind.Variable
},
new SymbolInformation()
{
Name = "withQualifier", Kind = SymbolKind.Function
},
}, symbols, s_comparer);
}
private void ThreadWindow_FormClosing(object sender, FormClosingEventArgs e)
{
Properties.Settings.Default.ThreadWindowSize = this.Size;
Properties.Settings.Default.CallStackColumns = ColumnSettings.SaveSettings(listViewCallStack);
_symbols = null;
}
public ThreadWindow(int PID, int TID, SymbolProvider symbols, ProcessHandle processHandle)
{
InitializeComponent();
this.AddEscapeToClose();
this.SetTopMost();
listViewCallStack_SelectedIndexChanged(null, null);
_pid = PID;
_tid = TID;
_symbols = symbols;
this.Text = Program.ProcessProvider.Dictionary[_pid].Name + " (PID " + _pid.ToString() +
") - Thread " + _tid.ToString();
PropertyInfo property = typeof(ListView).GetProperty("DoubleBuffered",
BindingFlags.NonPublic | BindingFlags.Instance);
property.SetValue(listViewCallStack, true, null);
listViewCallStack.ContextMenu = listViewCallStack.GetCopyMenu();
try
{
if (processHandle != null)
{
_phandle = processHandle;
_processHandleOwned = false;
}
else
{
try
{
_phandle = new ProcessHandle(_pid,
ProcessAccess.QueryInformation | ProcessAccess.VmRead
);
}
catch
{
if (KProcessHacker.Instance != null)
{
_phandle = new ProcessHandle(_pid, Program.MinProcessReadMemoryRights);
}
else
{
throw;
}
}
}
}
catch (Exception ex)
{
PhUtils.ShowException("Unable to open the process", ex);
this.Close();
return;
}
try
{
try
{
_thandle = new ThreadHandle(_tid, ThreadAccess.GetContext | ThreadAccess.SuspendResume);
}
catch
{
if (KProcessHacker.Instance != null)
{
_thandle = new ThreadHandle(_tid,
Program.MinThreadQueryRights | ThreadAccess.SuspendResume
);
}
else
{
throw;
}
}
}
catch (Exception ex)
{
PhUtils.ShowException("Unable to open the thread", ex);
this.Close();
return;
}
}
public SysInfoWindow()
{
this.InitializeComponent();
//if (!Settings.Instance.SysInfoWindowBounds.IsEmpty)
//this.DesktopBounds = Utils.FitRectangle(Settings.Instance.SysInfoWindowBounds, this);
// Load the pool limit addresses.
if (_mmSizeOfPagedPoolInBytes == IntPtr.Zero)
{
WorkQueue.GlobalQueueWorkItemTag(new Action(() =>
{
try
{
using (SymbolProvider symbols = new SymbolProvider())
{
symbols.LoadModule(Windows.KernelFileName, Windows.KernelBase);
_mmSizeOfPagedPoolInBytes = (IntPtr)symbols.GetSymbolFromName("MmSizeOfPagedPoolInBytes").Address;
_mmMaximumNonPagedPoolInBytes = (IntPtr)symbols.GetSymbolFromName("MmMaximumNonPagedPoolInBytes").Address;
}
}
catch (Exception) { }
}), "load-mm-addresses");
}
this.trackerMemory.values = Program.ProcessProvider.PhysicalMemoryHistory;
this.trackerMemory.DrawColor = Settings.Instance.PlotterMemoryPrivateColor;
this.trackerCommit.Maximum = (int)Program.ProcessProvider.Performance.CommitLimit;
this.trackerCommit.values = Program.ProcessProvider.CommitHistory;
this.trackerCommit.DrawColor = Settings.Instance.PlotterMemoryWSColor;
// Set indicators color
this.indicatorCpu.Color1 = Settings.Instance.PlotterCPUUserColor;
this.indicatorCpu.Color2 = Settings.Instance.PlotterCPUKernelColor;
this.indicatorIO.Color1 = Settings.Instance.PlotterIOROColor;
this.indicatorPhysical.Color1 = Settings.Instance.PlotterMemoryPrivateColor;
this.plotterCPU.LineColor2 = Settings.Instance.PlotterCPUKernelColor;
this.plotterCPU.LineColor1 = Settings.Instance.PlotterCPUUserColor;
this.plotterIO.LineColor1 = Settings.Instance.PlotterIOROColor;
this.plotterIO.LineColor2 = Settings.Instance.PlotterIOWColor;
// Maximum physical memory.
this.indicatorPhysical.Maximum = _pages;
// Set up the plotter controls.
plotterCPU.Data1 = Program.ProcessProvider.CpuKernelHistory;
plotterCPU.Data2 = Program.ProcessProvider.CpuUserHistory;
plotterCPU.GetToolTip = i =>
Program.ProcessProvider.MostCpuHistory[i] + "\n" +
((plotterCPU.Data1[i] + plotterCPU.Data2[i]) * 100).ToString("N2") +
"% (K " + (plotterCPU.Data1[i] * 100).ToString("N2") +
"%, U " + (plotterCPU.Data2[i] * 100).ToString("N2") + "%)" + "\n" +
Program.ProcessProvider.TimeHistory[i].ToString();
plotterIO.LongData1 = Program.ProcessProvider.IoReadOtherHistory;
plotterIO.LongData2 = Program.ProcessProvider.IoWriteHistory;
plotterIO.GetToolTip = i =>
Program.ProcessProvider.MostIoHistory[i] + "\n" +
"R+O: " + Utils.FormatSize(plotterIO.LongData1[i]) + "\n" +
"W: " + Utils.FormatSize(plotterIO.LongData2[i]) + "\n" +
Program.ProcessProvider.TimeHistory[i].ToString();
//plotterMemory.Data1 = Program.ProcessProvider.CommitHistory;
//plotterMemory.Data2 = Program.ProcessProvider.PhysicalMemoryHistory;
//plotterMemory.GetToolTip = i => "Commit: " + plotterMemory.Data1[i] + "\n" +
// "Phys. Memory: " + plotterMemory.Data2[i] + "\n" + Program.ProcessProvider.TimeHistory[i].ToString();
// Create a plotter per CPU.
_cpuPlotters = new Plotter[_noOfCPUs];
tableCPUs.ColumnCount = (int)_noOfCPUs;
tableCPUs.ColumnStyles.Clear();
tableCPUs.Dock = DockStyle.Fill;
for (int i = 0; i < _cpuPlotters.Length; i++)
{
Plotter plotter;
tableCPUs.ColumnStyles.Add(new ColumnStyle(SizeType.Percent, 1.0f / _noOfCPUs));
_cpuPlotters[i] = plotter = new Plotter();
plotter.BackColor = Color.Black;
plotter.Dock = DockStyle.Fill;
plotter.Margin = new Padding(i == 0 ? 0 : 3, 0, 0, 0); // nice spacing
plotter.UseSecondLine = true;
plotter.Data1 = Program.ProcessProvider.CpusKernelHistory[i];
plotter.Data2 = Program.ProcessProvider.CpusUserHistory[i];
plotter.GetToolTip = j =>
Program.ProcessProvider.MostCpuHistory[j] + "\n" +
((plotter.Data1[j] + plotter.Data2[j]) * 100).ToString("N2") +
"% (K " + (plotter.Data1[j] * 100).ToString("N2") +
"%, U " + (plotter.Data2[j] * 100).ToString("N2") + "%)" + "\n" +
Program.ProcessProvider.TimeHistory[j].ToString();
this.tableCPUs.Controls.Add(plotter, i, 0);
}
this.checkShowOneGraphPerCPU.Checked = Settings.Instance.ShowOneGraphPerCPU;
if (_noOfCPUs == 1)
{
checkShowOneGraphPerCPU.Enabled = false;
}
Program.ProcessProvider.Updated += ProcessProvider_Updated;
//We need to do this here or TopMost property gets over-rided by AlwaysOnTopCheckbox
this.TopMost = Settings.Instance.AlwaysOnTop;
this.UpdateGraphs();
this.UpdateInfo();
}
public ThreadProvider(int pid)
: base()
{
this.Name = this.GetType().Name;
_pid = pid;
_messageQueue.AddListener(
new MessageQueueListener <ResolveMessage>((message) =>
{
if (message.Symbol != null)
{
this.Dictionary[message.Tid].StartAddress = message.Symbol;
this.Dictionary[message.Tid].FileName = message.FileName;
this.Dictionary[message.Tid].StartAddressLevel = message.ResolveLevel;
this.Dictionary[message.Tid].JustResolved = true;
}
}));
this.ProviderUpdate += new ProviderUpdateOnce(UpdateOnce);
this.Disposed += ThreadProvider_Disposed;
try
{
// Try to get a good process handle we can use the same handle for stack walking.
try
{
_processAccess = ProcessAccess.QueryInformation | ProcessAccess.VmRead;
_processHandle = new ProcessHandle(_pid, _processAccess);
}
catch
{
try
{
if (KProcessHacker.Instance != null)
{
_processAccess = Program.MinProcessReadMemoryRights;
_processHandle = new ProcessHandle(_pid, _processAccess);
}
else
{
_processAccess = Program.MinProcessQueryRights;
_processHandle = new ProcessHandle(_pid, _processAccess);
}
}
catch (WindowsException ex)
{
Logging.Log(ex);
}
}
// Start loading symbols; avoid the UI blocking on the dbghelp call lock.
_symbolsWorkQueue.QueueWorkItemTag(new Action(() =>
{
try
{
// Needed (maybe) to display the EULA
Win32.SymbolServerSetOptions(SymbolServerOption.Unattended, 0);
}
catch (Exception ex)
{
Logging.Log(ex);
}
try
{
// Use the process handle if we have one, otherwise use the default ID generator.
if (_processHandle != null)
{
_symbols = new SymbolProvider(_processHandle);
}
else
{
_symbols = new SymbolProvider();
}
SymbolProvider.Options = SymbolOptions.DeferredLoads |
(Properties.Settings.Default.DbgHelpUndecorate ? SymbolOptions.UndName : 0);
if (Properties.Settings.Default.DbgHelpSearchPath != "")
{
_symbols.SearchPath = Properties.Settings.Default.DbgHelpSearchPath;
}
try
{
if (_pid != 4)
{
using (var phandle =
new ProcessHandle(_pid, Program.MinProcessQueryRights | Program.MinProcessReadMemoryRights))
{
if (IntPtr.Size == 4 || !phandle.IsWow64())
{
// Load the process' modules.
try { _symbols.LoadProcessModules(phandle); }
catch { }
}
else
{
// Load the process' WOW64 modules.
try { _symbols.LoadProcessWow64Modules(_pid); }
catch { }
}
// If the process is CSRSS we should load kernel modules
// due to the presence of kernel-mode threads.
if (phandle.GetKnownProcessType() == KnownProcess.WindowsSubsystem)
{
this.LoadKernelSymbols(true);
}
}
}
else
{
this.LoadKernelSymbols(true);
}
}
catch (WindowsException ex)
{
// Did we get Access Denied? At least load
// kernel32.dll and ntdll.dll.
try
{
ProcessHandle.Current.EnumModules((module) =>
{
if (module.BaseName == "kernel32.dll" || module.BaseName == "ntdll.dll")
{
_symbols.LoadModule(module.FileName, module.BaseAddress, module.Size);
}
return(true);
});
}
catch (Exception ex2)
{
Logging.Log(ex2);
}
Logging.Log(ex);
}
catch (Exception ex)
{
Logging.Log(ex);
}
}
finally
{
lock (_moduleLoadCompletedEvent)
{
if (!_moduleLoadCompletedEvent.SafeWaitHandle.IsClosed)
{
_moduleLoadCompletedEvent.Set();
}
}
}
}), "symbols-load");
}
catch (Exception ex)
{
Logging.Log(ex);
}
}
private static void ScanDacFile(String file,
SymbolProvider sf,
List<UInt32> rvaArray,
out UInt32 numGlobals)
{
StreamReader strm =
new StreamReader(file, System.Text.Encoding.ASCII);
String line;
Hashtable vtables = new Hashtable(); // hashtable to guarantee uniqueness of entries
//
// Scan through the data access header file looking
// for the globals structure.
//
for (;;)
{
line = strm.ReadLine();
if (line == null)
{
throw new
InvalidOperationException("Invalid dac header format");
}
else if (line == "typedef struct _DacGlobals")
{
break;
}
}
if (strm.ReadLine() != "{")
{
throw new InvalidOperationException("Invalid dac header format");
}
//
// All the globals come first so pick up each line that
// begins with ULONG.
//
bool fFoundVptrs = false;
numGlobals = 0;
for (;;)
{
line = strm.ReadLine().Trim();
if ( line.Equals("union {")
|| line.Equals("struct {")
|| line.Equals("};")
|| line.StartsWith("#line ")
|| line.StartsWith("# "))
{
// Ignore.
}
else if (line.StartsWith("ULONG "))
{
UInt32 rva = 0;
line = line.Remove(0, 6);
line = line.TrimEnd(";".ToCharArray());
string vptrSuffixSingle = "__vtAddr";
string vptrSuffixMulti = "__mvtAddr";
string vptrSuffix = null;
if (line.EndsWith(vptrSuffixSingle))
{
vptrSuffix = vptrSuffixSingle;
}
else if (line.EndsWith(vptrSuffixMulti))
{
vptrSuffix = vptrSuffixMulti;
}
if (vptrSuffix != null)
{
if (!fFoundVptrs)
{
numGlobals = (UInt32)rvaArray.Count;
fFoundVptrs = true;
}
line = line.Remove(line.Length - vptrSuffix.Length,
vptrSuffix.Length);
string keyBaseName = null;
string descTail = null;
if (vptrSuffix == vptrSuffixMulti)
{
// line now has the form <class>__<base>, so
// split off the base.
int basePrefix = line.LastIndexOf("__");
if (basePrefix < 0)
{
throw new InvalidOperationException("VPTR_MULTI_CLASS has no keyBase.");
}
keyBaseName = line.Substring(basePrefix + 2);
line = line.Remove(basePrefix);
descTail = " for " + keyBaseName;
}
rva = sf.GetVTableRVA(line, keyBaseName);
if (rva == UInt32.MaxValue)
{
Console.WriteLine(" " + ToHexNB(rva));
Shell.Error("Invalid vtable " + line + descTail);
}
else
{
String existing = (String)vtables[rva];
if (existing != null)
{
throw new InvalidOperationException(existing + " and " + line + " are at the same offsets." +
" Add VPTR_UNIQUE(<a random unique number here>) to the offending classes to make their vtables unique.");
}
vtables[rva] = line;
Console.WriteLine(" " + ToHexNB(rva) +
", // vtable " + line + descTail);
}
}
else
{
SymbolProvider.SymType symType;
if (fFoundVptrs)
throw new InvalidOperationException("Invalid dac header format. Vtable pointers must be last.");
if (line.StartsWith("dac__"))
{
// Global variables, use the prefix.
line = line.Remove(0, 5);
symType = SymbolProvider.SymType.GlobalData;
}
else if (line.StartsWith("fn__"))
{
// Global or static functions, use the prefix.
line = line.Remove(0, 4);
line = line.Replace("__", "::");
symType = SymbolProvider.SymType.GlobalFunction;
}
else
{
// Static member variable, use the full name with
// namespace replacement.
line = line.Replace("__", "::");
symType = SymbolProvider.SymType.GlobalData;
}
if (0 == rva)
{
rva = sf.GetGlobalRVA(line, symType);
if (rva == UInt32.MaxValue)
{
Console.WriteLine(" " + ToHexNB(rva));
Shell.Error("Invalid symbol " + line);
}
else
{
Console.WriteLine(" " + ToHexNB(rva) + ", // " +
line);
}
}
}
rvaArray.Add(rva);
}
else if (line == "")
{
// Skip blanks.
}
else
{
// We hit a non-global so we're done.
if (!line.Equals("} DacGlobals;"))
{
throw new
InvalidOperationException("Invalid dac header format at \"" + line + "\"");
}
break;
}
}
if (!fFoundVptrs)
throw new InvalidOperationException("Invalid dac header format. Vtable pointers not found.");
}
private void LoadSymbols()
{
// Ensure we only load symbols once.
if (Interlocked.CompareExchange(ref _symbolsStartedLoading, 1, 0) == 1)
{
return;
}
// Start loading symbols; avoid the UI blocking on the dbghelp call lock.
_symbolsWorkQueue.QueueWorkItemTag(new Action(() =>
{
try
{
// Needed (maybe) to display the EULA
Win32.SymbolServerSetOptions(SymbolServerOption.Unattended, 0);
}
catch (Exception ex)
{
Logging.Log(ex);
}
try
{
// Use the process handle if we have one, otherwise use the default ID generator.
if (_processHandle != null)
{
_symbols = new SymbolProvider(_processHandle);
}
else
{
_symbols = new SymbolProvider();
}
SymbolProvider.Options = SymbolOptions.DeferredLoads |
(Settings.Instance.DbgHelpUndecorate ? SymbolOptions.UndName : 0);
if (!string.IsNullOrEmpty(Settings.Instance.DbgHelpSearchPath))
{
_symbols.SearchPath = Settings.Instance.DbgHelpSearchPath;
}
try
{
if (_pid > 4)
{
using (var phandle = new ProcessHandle(_pid, Program.MinProcessQueryRights | Program.MinProcessReadMemoryRights))
{
if (OSVersion.Architecture == OSArch.I386 || !phandle.IsWow64)
{
// Load the process' modules.
try { _symbols.LoadProcessModules(phandle); }
catch { }
}
else
{
// Load the process' WOW64 modules.
try { _symbols.LoadProcessWow64Modules(_pid); }
catch { }
}
// If the process is CSRSS we should load kernel modules
// due to the presence of kernel-mode threads.
if (phandle.KnownProcessType == KnownProcess.WindowsSubsystem)
{
this.LoadKernelSymbols(true);
}
}
}
else
{
this.LoadKernelSymbols(true);
}
}
catch (WindowsException ex)
{
// Did we get Access Denied? At least load
// kernel32.dll and ntdll.dll.
try
{
ProcessHandle.Current.EnumModules(module =>
{
if (
module.BaseName.Equals("kernel32.dll", StringComparison.OrdinalIgnoreCase) ||
module.BaseName.Equals("ntdll.dll", StringComparison.OrdinalIgnoreCase)
)
{
_symbols.LoadModule(module.FileName, module.BaseAddress, module.Size);
}
return(true);
});
}
catch (Exception ex2)
{
Logging.Log(ex2);
}
Logging.Log(ex);
}
catch (Exception ex)
{
Logging.Log(ex);
}
}
finally
{
_moduleLoadCompletedEvent.Set();
}
}), "symbols-load");
}
public MainWindow()
{
InitializeComponent();
Win32.LoadLibrary("C:\\Program Files\\Debugging Tools for Windows (x86)\\dbghelp.dll");
SymbolProvider symbols = new SymbolProvider(ProcessHandle.Current);
SymbolProvider.Options |= SymbolOptions.PublicsOnly;
IntPtr ntdllBase = Loader.GetDllHandle("ntdll.dll");
FileHandle ntdllFileHandle = null;
Section section = null;
ProcessHandle.Current.EnumModules((module) =>
{
if (module.BaseName.Equals("ntdll.dll", StringComparison.InvariantCultureIgnoreCase))
{
section = new Section(
ntdllFileHandle = new FileHandle(@"\??\" + module.FileName,
FileShareMode.ReadWrite,
FileAccess.GenericExecute | FileAccess.GenericRead
),
true,
MemoryProtection.ExecuteRead
);
symbols.LoadModule(module.FileName, module.BaseAddress, module.Size);
return(false);
}
return(true);
});
SectionView view = section.MapView((int)ntdllFileHandle.GetSize());
ntdllFileHandle.Dispose();
symbols.EnumSymbols("ntdll!Zw*", (symbol) =>
{
int number = Marshal.ReadInt32(
(symbol.Address.ToIntPtr().Decrement(ntdllBase)).Increment(view.Memory).Increment(1));
_sysCallNames.Add(
number,
"Nt" + symbol.Name.Substring(2)
);
_reverseSysCallNames.Add(
"Nt" + symbol.Name.Substring(2),
number
);
return(true);
});
view.Dispose();
section.Dispose();
symbols.Dispose();
KProcessHacker.Instance = new KProcessHacker();
_logger = new SsLogger(4096, false);
_logger.EventBlockReceived += new EventBlockReceivedDelegate(logger_EventBlockReceived);
_logger.ArgumentBlockReceived += new ArgumentBlockReceivedDelegate(logger_ArgumentBlockReceived);
_logger.AddProcessIdRule(FilterType.Exclude, ProcessHandle.GetCurrentId());
_logger.AddPreviousModeRule(FilterType.Include, KProcessorMode.UserMode);
//_logger.Start();
listEvents.SetDoubleBuffered(true);
}
public IList <IStyle> ConvertSymbolLayer(EvaluationContext context, StyleLayer styleLayer, Dictionary <string, Styles.Sprite> spriteAtlas, SymbolProvider symbolProvider)
{
string styleLabelText = string.Empty;
List <IStyle> result = new List <IStyle>();
if (context.Feature.GeometryType == GeometryType.LineString)
{
styleLabelText = "";
}
//return result;
// visibility
// Optional enum. One of visible, none. Defaults to visible.
// The display of this layer. none hides this layer.
if (styleLayer.Layout?.Visibility != null && styleLayer.Layout.Visibility.Equals("none"))
{
return(result);
}
var paint = styleLayer.Paint;
var layout = styleLayer.Layout;
var styleLabel = new LabelStyle
{
Enabled = false,
Halo = new Pen {
Color = Color.Transparent, Width = 0
},
CollisionDetection = true,
BackColor = null,
};
styleLabel.Font.Size = 16;
var styleSymbol = new SymbolStyle
{
Enabled = false,
};
// symbol-placement
// Optional enum. One of point, line. Defaults to point. Interval.
// Label placement relative to its geometry. line can only be used on
// LineStrings and Polygons.
if (layout?.SymbolPlacement != null)
{
switch (layout.SymbolPlacement.Evaluate(context.Zoom))
{
case "point":
break;
case "line":
// symbol-spacing
// Optional number. Units in pixels. Defaults to 250. Requires symbol-placement = line. Exponential.
// Distance between two symbol anchors.
if (layout?.SymbolSpacing != null)
{
styleLabel.Spacing = layout.SymbolSpacing.Evaluate(context.Zoom);
}
break;
}
}
// symbol-avoid-edges
// Optional boolean. Defaults to false. Interval.
// If true, the symbols will not cross tile edges to avoid mutual collisions.
// Recommended in layers that don't have enough padding in the vector tile to prevent
// collisions, or if it is a point symbol layer placed after a line symbol layer.
// text-field
// Optional string. Interval.
// Value to use for a text label. Feature properties are specified using tokens like {field_name}.
if (layout?.TextField != null)
{
styleLabelText = ReplaceFields(layout.TextField.Trim(), context.Feature.Tags);
// text-transform
// Optional enum. One of none, uppercase, lowercase. Defaults to none. Requires text-field. Interval.
// Specifies how to capitalize text, similar to the CSS text-transform property.
if (layout?.TextTransform != null)
{
switch (layout.TextTransform)
{
case "uppercase":
styleLabelText = styleLabelText.ToUpper();
break;
case "lowercase":
styleLabelText = styleLabelText.ToLower();
break;
}
}
styleLabel.Text = styleLabelText;
// text-color
// Optional color. Defaults to #000000. Requires text-field. Exponential.
// The color with which the text will be drawn.
if (paint?.TextColor != null)
{
styleLabel.ForeColor = paint.TextColor.Evaluate(context.Zoom);
}
// text-opacity
// Optional number. Defaults to 1. Requires text-field. Exponential.
// The opacity at which the text will be drawn.
if (paint?.TextOpacity != null)
{
}
// text-halo-color
// Optional color. Defaults to rgba(0, 0, 0, 0). Requires text-field. Exponential.
// The color of the text's halo, which helps it stand out from backgrounds.
if (paint?.TextHaloColor != null)
{
styleLabel.Halo.Color = paint.TextHaloColor.Evaluate(context.Zoom);
}
//text-halo-width
// Optional number. Units in pixels. Defaults to 0. Requires text-field. Exponential.
// Distance of halo to the font outline. Max text halo width is 1/4 of the font-size.
if (paint?.TextHaloWidth != null)
{
styleLabel.Halo.Width = paint.TextHaloWidth.Evaluate(context.Zoom);
}
// text-font
// Optional array. Defaults to Open Sans Regular, Arial Unicode MS Regular. Requires text-field. Interval.
// Font stack to use for displaying text.
if (layout?.TextFont != null)
{
var fontName = string.Empty;
foreach (var font in layout.TextFont)
{
// TODO: Check for fonts
//if (font.exists)
{
fontName = (string)font;
break;
}
}
if (!string.IsNullOrWhiteSpace(fontName))
{
styleLabel.Font.FontFamily = fontName;
}
}
// text-size
// Optional number. Units in pixels. Defaults to 16. Requires text-field. Exponential.
// Font size.
if (layout?.TextSize != null)
{
styleLabel.Font.Size = layout.TextSize.Evaluate(context.Zoom);
}
// text-rotation-alignment
// Optional enum. One of map, viewport. Defaults to viewport. Requires text-field. Interval.
// Orientation of text when map is rotated.
// text-translate
// Optional array. Units in pixels. Defaults to 0, 0. Requires text-field. Exponential.
// Distance that the text's anchor is moved from its original placement.Positive values
// indicate right and down, while negative values indicate left and up.
if (paint?.TextTranslate != null)
{
var offset = new Offset
{
X = paint.TextTranslate.Count > 0 ? -paint.TextTranslate[0] : 0,
Y = paint.TextTranslate.Count > 1 ? -paint.TextTranslate[1] : 0
};
styleLabel.Offset = offset;
// text-translate-anchor
// Optional enum. One of map, viewport. Defaults to map. Requires text-field. Requires text-translate. Interval.
// Control whether the translation is relative to the map(north) or viewport(screen).
// TODO: Don't know, how to do this in the moment
}
// text-max-width
// Optional number. Units in em. Defaults to 10. Requires text-field. Exponential.
// The maximum line width for text wrapping.
if (layout?.TextMaxWidth != null)
{
styleLabel.MaxWidth = layout.TextMaxWidth.Evaluate(context.Zoom);
}
// text-line-height
// Optional number. Units in em. Defaults to 1.2. Requires text-field. Exponential.
// Text leading value for multi-line text.
// text-letter-spacing
// Optional number. Units in em. Defaults to 0. Requires text-field. Exponential.
// Text tracking amount.
// text-justify
// Optional enum. One of left, center, right. Defaults to center. Requires text-field. Interval.
// Text justification options.
if (layout?.TextJustify != null)
{
switch (layout.TextJustify)
{
case "left":
styleLabel.Justify = LabelStyle.HorizontalAlignmentEnum.Left;
break;
case "right":
styleLabel.Justify = LabelStyle.HorizontalAlignmentEnum.Right;
break;
default:
styleLabel.Justify = LabelStyle.HorizontalAlignmentEnum.Center;
break;
}
}
// text-anchor
// Optional enum. One of center, left, right, top, bottom, top-left, top-right, bottom-left,
// bottom-right. Defaults to center. Requires text-field. Interval.
// Part of the text placed closest to the anchor.
if (layout?.TextAnchor != null)
{
switch (layout.TextAnchor)
{
case "left":
styleLabel.VerticalAlignment = LabelStyle.VerticalAlignmentEnum.Center;
styleLabel.HorizontalAlignment = LabelStyle.HorizontalAlignmentEnum.Left;
break;
case "right":
styleLabel.VerticalAlignment = LabelStyle.VerticalAlignmentEnum.Center;
styleLabel.HorizontalAlignment = LabelStyle.HorizontalAlignmentEnum.Right;
break;
case "top":
styleLabel.VerticalAlignment = LabelStyle.VerticalAlignmentEnum.Top;
styleLabel.HorizontalAlignment = LabelStyle.HorizontalAlignmentEnum.Center;
break;
case "bottom":
styleLabel.VerticalAlignment = LabelStyle.VerticalAlignmentEnum.Bottom;
styleLabel.HorizontalAlignment = LabelStyle.HorizontalAlignmentEnum.Center;
break;
case "top-left":
styleLabel.VerticalAlignment = LabelStyle.VerticalAlignmentEnum.Top;
styleLabel.HorizontalAlignment = LabelStyle.HorizontalAlignmentEnum.Left;
break;
case "top-right":
styleLabel.VerticalAlignment = LabelStyle.VerticalAlignmentEnum.Top;
styleLabel.HorizontalAlignment = LabelStyle.HorizontalAlignmentEnum.Right;
break;
case "bottom-left":
styleLabel.VerticalAlignment = LabelStyle.VerticalAlignmentEnum.Bottom;
styleLabel.HorizontalAlignment = LabelStyle.HorizontalAlignmentEnum.Left;
break;
case "bottom-right":
styleLabel.VerticalAlignment = LabelStyle.VerticalAlignmentEnum.Bottom;
styleLabel.HorizontalAlignment = LabelStyle.HorizontalAlignmentEnum.Right;
break;
default:
styleLabel.VerticalAlignment = LabelStyle.VerticalAlignmentEnum.Center;
styleLabel.HorizontalAlignment = LabelStyle.HorizontalAlignmentEnum.Center;
break;
}
}
// text-max-angle
// Optional number. Units in degrees. Defaults to 45. Requires text-field.
// Requires symbol-placement = line. Exponential.
// Maximum angle change between adjacent characters.
// text-rotate
// Optional number. Units in degrees. Defaults to 0. Requires text-field. Exponential.
// Rotates the text clockwise.
// text-padding
// Optional number. Units in pixels. Defaults to 2. Requires text-field. Exponential.
// Size of the additional area around the text bounding box used for detecting symbol collisions.
// text-keep-upright
// Optional boolean. Defaults to true. Requires text-field. Requires text-rotation-alignment = map.
// Requires symbol-placement = line. Interval.
// If true, the text may be flipped vertically to prevent it from being rendered upside-down.
// text-offset
// Optional array. Units in ems. Defaults to 0,0. Requires text-field. Exponential.
// Offset distance of text from its anchor. Positive values indicate right and down,
// while negative values indicate left and up.
if (layout?.TextOffset != null)
{
var x = layout.TextOffset[0] * styleLabel.Font.Size;
var y = layout.TextOffset[1] * styleLabel.Font.Size;
styleLabel.Offset = new Offset(x, y, false);
}
// text-allow-overlap
// Optional boolean. Defaults to false. Requires text-field. Interval.
// If true, the text will be visible even if it collides with other previously drawn symbols.
if (layout?.TextAllowOverlap != null)
{
// TODO
layout.TextAllowOverlap.Evaluate(context.Zoom);
}
// text-ignore-placement
// Optional boolean. Defaults to false. Requires text-field. Interval.
// If true, other symbols can be visible even if they collide with the text.
if (layout?.TextIgnorePlacement != null)
{
// TODO
layout.TextIgnorePlacement.Evaluate(context.Zoom);
}
// text-optional
// Optional boolean. Defaults to false. Requires text-field. Requires icon-image. Interval.
// If true, icons will display without their corresponding text when the text collides with other symbols and the icon does not.
if (layout?.TextOptional != null)
{
// TODO
layout.TextOptional.Evaluate(context.Zoom);
}
// text-halo-blur
// Optional number. Units in pixels. Defaults to 0. Requires text-field. Exponential.
// The halo's fadeout distance towards the outside.
}
// icon-image
// Optional string.
// A string with { tokens } replaced, referencing the data property to pull from. Interval.
if (layout?.IconImage != null)
{
var name = ReplaceFields(layout.IconImage.Evaluate(context.Zoom), context.Feature.Tags);
if (!string.IsNullOrEmpty(name) && spriteAtlas.ContainsKey(name) && spriteAtlas[name].Atlas >= 0)
{
styleSymbol.BitmapId = spriteAtlas[name].Atlas;
}
else
{
// No sprite found
styleSymbol.BitmapId = -1;
// Log information
Logging.Logger.Log(Logging.LogLevel.Information, $"Sprite {name} not found");
}
// icon-allow-overlap
// Optional boolean. Defaults to false. Requires icon-image. Interval.
// If true, the icon will be visible even if it collides with other previously drawn symbols.
if (layout?.IconAllowOverlap != null)
{
// TODO
layout.IconAllowOverlap.Evaluate(context.Zoom);
}
// icon-ignore-placement
// Optional boolean. Defaults to false. Requires icon-image. Interval.
// If true, other symbols can be visible even if they collide with the icon.
if (layout?.IconIgnorePlacement != null)
{
// TODO
layout.IconIgnorePlacement.Evaluate(context.Zoom);
}
// icon-optional
// Optional boolean. Defaults to false. Requires icon-image. Requires text-field. Interval.
// If true, text will display without their corresponding icons when the icon collides
// with other symbols and the text does not.
if (layout?.IconOptional != null)
{
// TODO
layout.IconOptional.Evaluate(context.Zoom);
}
// icon-rotation-alignment
// Optional enum. One of map, viewport. Defaults to viewport. Requires icon-image. Interval.
// Orientation of icon when map is rotated.
// icon-size
// Optional number. Defaults to 1. Requires icon-image. Exponential.
// Scale factor for icon. 1 is original size, 3 triples the size.
if (layout?.IconSize != null)
{
styleSymbol.SymbolScale = layout.IconSize.Evaluate(context.Zoom);
}
// icon-rotate
// Optional number. Units in degrees. Defaults to 0. Requires icon-image. Exponential.
// Rotates the icon clockwise.
// icon-padding
// Optional number. Units in pixels. Defaults to 2. Requires icon-image. Exponential.
// Size of the additional area around the icon bounding box used for detecting symbol collisions.
// icon-keep-upright
// Optional boolean. Defaults to false. Requires icon-image. Requires icon-rotation-alignment = map. Interval.
// Requires symbol-placement = line.
// If true, the icon may be flipped to prevent it from being rendered upside-down.
// icon-offset
// Optional array. Defaults to 0,0. Requires icon-image. Exponential.
// Offset distance of icon from its anchor. Positive values indicate right and down,
// while negative values indicate left and up.
if (layout?.IconOffset != null)
{
var x = layout.IconOffset[0];
var y = layout.IconOffset[1];
styleSymbol.SymbolOffset = new Offset(x, y, false);
}
// icon-opacity
// Optional number. Defaults to 1. Requires icon-image. Exponential.
// The opacity at which the icon will be drawn.
if (layout?.IconOpacity != null)
{
styleSymbol.Opacity = layout.IconOpacity.Evaluate(context.Zoom);
}
// icon-color
// Optional color. Defaults to #000000. Requires icon-image. Exponential.
// The color of the icon. This can only be used with sdf icons.
// icon-halo-color
// Optional color. Defaults to rgba(0, 0, 0, 0). Requires icon-image. Exponential.
// The color of the icon's halo. Icon halos can only be used with sdf icons.
// icon-halo-width
// Optional number. Units in pixels. Defaults to 0. Requires icon-image. Exponential.
// Distance of halo to the icon outline.
// icon-halo-blur
// Optional number. Units in pixels. Defaults to 0. Requires icon-image. Exponential.
// Fade out the halo towards the outside.
// icon-translate
// Optional array. Units in pixels. Defaults to 0, 0. Requires icon-image. Exponential.
// Distance that the icon's anchor is moved from its original placement.
// Positive values indicate right and down, while negative values indicate left and up.
// icon-translate-anchor
// Optional enum. One of map, viewport. Defaults to map. Requires icon-image. Requires icon-translate. Interval.
// Control whether the translation is relative to the map(north) or viewport(screen).
}
if (!string.IsNullOrEmpty(styleLabelText))
{
styleLabel.Enabled = true;
result.Add(styleLabel);
}
if (styleSymbol.BitmapId >= 0)
{
styleSymbol.Enabled = true;
result.Add(styleSymbol);
}
if (symbolProvider != null)
{
symbolProvider.Symbols.Add(new Symbol
{
Feature = context.Feature,
});
// If there is an SymbolLayer, than it handles drawing of symbols
result = null;
}
return(result);
}
/// <summary>
/// Convert given context with Mapbox GL styling layer to a Mapsui Style list
/// </summary>
/// <param name="context">Context to use while evaluating style</param>
/// <param name="styleLayer">Mapbox GL style layer</param>
/// <param name="spriteAtlas">Dictionary with availible sprites</param>
/// <returns>A list of Mapsui Styles</returns>
public IList <IStyle> Convert(EvaluationContext context, StyleLayer styleLayer, Dictionary <string, Styles.Sprite> spriteAtlas, SymbolProvider symbolProvider)
{
switch (styleLayer.Type)
{
case "fill":
return(ConvertFillLayer(context, styleLayer, spriteAtlas));
case "line":
return(ConvertLineLayer(context, styleLayer, spriteAtlas));
case "symbol":
return(ConvertSymbolLayer(context, styleLayer, spriteAtlas, symbolProvider));
case "circle":
return(new List <IStyle>());
case "raster":
// Shouldn't get here, because raster are directly handled by ConvertRasterLayer
break;
case "background":
return(new List <IStyle>());
}
return(new List <IStyle>());
}
private static void ScanDacFile(String file,
SymbolProvider sf,
List <UInt32> rvaArray,
out UInt32 numGlobals)
{
StreamReader strm =
new StreamReader(file, System.Text.Encoding.ASCII);
String line;
Hashtable vtables = new Hashtable(); // hashtable to guarantee uniqueness of entries
//
// Scan through the data access header file looking
// for the globals structure.
//
for (;;)
{
line = strm.ReadLine();
if (line == null)
{
throw new
InvalidOperationException("Invalid dac header format");
}
else if (line == "typedef struct _DacGlobals")
{
break;
}
}
if (strm.ReadLine() != "{")
{
throw new InvalidOperationException("Invalid dac header format");
}
//
// All the globals come first so pick up each line that
// begins with ULONG.
//
bool fFoundVptrs = false;
numGlobals = 0;
for (;;)
{
line = strm.ReadLine().Trim();
if (line.Equals("union {") ||
line.Equals("struct {") ||
line.Equals("};") ||
line.StartsWith("#line ") ||
line.StartsWith("# "))
{
// Ignore.
}
else if (line.StartsWith("ULONG "))
{
UInt32 rva = 0;
line = line.Remove(0, 6);
line = line.TrimEnd(";".ToCharArray());
string vptrSuffixSingle = "__vtAddr";
string vptrSuffixMulti = "__mvtAddr";
string vptrSuffix = null;
if (line.EndsWith(vptrSuffixSingle))
{
vptrSuffix = vptrSuffixSingle;
}
else if (line.EndsWith(vptrSuffixMulti))
{
vptrSuffix = vptrSuffixMulti;
}
if (vptrSuffix != null)
{
if (!fFoundVptrs)
{
numGlobals = (UInt32)rvaArray.Count;
fFoundVptrs = true;
}
line = line.Remove(line.Length - vptrSuffix.Length,
vptrSuffix.Length);
string keyBaseName = null;
string descTail = null;
if (vptrSuffix == vptrSuffixMulti)
{
// line now has the form <class>__<base>, so
// split off the base.
int basePrefix = line.LastIndexOf("__");
if (basePrefix < 0)
{
throw new InvalidOperationException("VPTR_MULTI_CLASS has no keyBase.");
}
keyBaseName = line.Substring(basePrefix + 2);
line = line.Remove(basePrefix);
descTail = " for " + keyBaseName;
}
rva = sf.GetVTableRVA(line, keyBaseName);
if (rva == UInt32.MaxValue)
{
Console.WriteLine(" " + ToHexNB(rva));
Shell.Error("Invalid vtable " + line + descTail);
}
else
{
String existing = (String)vtables[rva];
if (existing != null)
{
throw new InvalidOperationException(existing + " and " + line + " are at the same offsets." +
" Add VPTR_UNIQUE(<a random unique number here>) to the offending classes to make their vtables unique.");
}
vtables[rva] = line;
Console.WriteLine(" " + ToHexNB(rva) +
", // vtable " + line + descTail);
}
}
else
{
SymbolProvider.SymType symType;
if (fFoundVptrs)
{
throw new InvalidOperationException("Invalid dac header format. Vtable pointers must be last.");
}
if (line.StartsWith("dac__"))
{
// Global variables, use the prefix.
line = line.Remove(0, 5);
symType = SymbolProvider.SymType.GlobalData;
}
else if (line.StartsWith("fn__"))
{
// Global or static functions, use the prefix.
line = line.Remove(0, 4);
line = line.Replace("__", "::");
symType = SymbolProvider.SymType.GlobalFunction;
}
else
{
// Static member variable, use the full name with
// namespace replacement.
line = line.Replace("__", "::");
symType = SymbolProvider.SymType.GlobalData;
}
if (0 == rva)
{
rva = sf.GetGlobalRVA(line, symType);
if (rva == UInt32.MaxValue)
{
Console.WriteLine(" " + ToHexNB(rva));
Shell.Error("Invalid symbol " + line);
}
else
{
Console.WriteLine(" " + ToHexNB(rva) + ", // " +
line);
}
}
}
rvaArray.Add(rva);
}
else if (line == "")
{
// Skip blanks.
}
else
{
// We hit a non-global so we're done.
if (!line.Equals("} DacGlobals;"))
{
throw new
InvalidOperationException("Invalid dac header format at \"" + line + "\"");
}
break;
}
}
if (!fFoundVptrs)
{
throw new InvalidOperationException("Invalid dac header format. Vtable pointers not found.");
}
}
public MapboxGLStyler(Stream input, Map map)
{
using (var reader = new StreamReader(input))
styleJson = JsonConvert.DeserializeObject <MapboxGL>(reader.ReadToEnd());
Zoom = styleJson.Zoom ?? 20;
// Save urls for sprite and glyphs
SpriteUrl = styleJson.Sprite;
GlyphsUrl = styleJson.Glyphs;
var filterConverter = new FilterConverter();
var styleLayerConverter = new StyleLayerConverter();
// Create SymbolProvider, that belongs to all Styles and VectorTileLayers
var symbolProvider = new SymbolProvider(map);
foreach (var styleLayer in styleJson.StyleLayers)
{
if (styleLayer.Type.Equals("background") && styleLayer.Paint.BackgroundColor != null)
{
Background = styleLayer.Paint.BackgroundColor;
map.BackColor = Background;
}
// Create filters for each style layer
if (styleLayer.NativeFilter != null)
{
styleLayer.Filter = filterConverter.ConvertFilter(styleLayer.NativeFilter);
}
// Create ThemeStyles for each style layer
styleLayer.Style = new MapboxGLThemeStyle(styleLayerConverter, styleLayer, SpriteAtlas, map.Viewport, symbolProvider)
{
MinVisible = styleLayer.MinVisible,
MaxVisible = styleLayer.MaxVisible
};
}
// Read all tile sources
foreach (var source in styleJson.Sources)
{
var sourceJson = source.Value;
switch (source.Value.Type)
{
case "raster":
if (!string.IsNullOrEmpty(source.Value.Url))
{
// Get TileJSON from http/https url
sourceJson = new Source();
}
// Create new raster layer
var rasterLayer = CreateRasterLayer(sourceJson);
if (rasterLayer != null)
{
rasterLayer.Name = source.Key;
rasterLayer.Style = new StyleCollection();
// Add all ThemeStyles for this layer
foreach (var styleLayer in styleJson.StyleLayers)
{
if (!rasterLayer.Name.Equals(styleLayer.Source, StringComparison.CurrentCultureIgnoreCase))
{
continue;
}
((StyleCollection)rasterLayer.Style).Add(styleLayer.Style);
}
map.Layers.Add(rasterLayer);
}
break;
case "vector":
if (!string.IsNullOrEmpty(source.Value.Url))
{
if (source.Value.Url.StartsWith("http"))
{
// TODO: Get TileJSON from http/https url
sourceJson = JsonConvert.DeserializeObject <Source>(@"{'tiles':['https://free.tilehosting.com/data/v3/{z}/{x}/{y}.pbf.pict?key=tXiQqN3lIgskyDErJCeY'],'name':'OpenMapTiles','format':'pbf','basename':'v3.7.mbtiles','id':'openmaptiles','attribution':'<a href=\'http://www.openmaptiles.org/\' target=\'_blank\'>© OpenMapTiles</a> <a href=\'http://www.openstreetmap.org/about/\' target=\'_blank\'>© OpenStreetMap contributors</a>','description':'A tileset showcasing all layers in OpenMapTiles. http://openmaptiles.org','maxzoom':14,'minzoom':0,'pixel_scale':'256','vector_layers':[{'maxzoom':14,'fields':{'class':'String'},'minzoom':0,'id':'water','description':''},{'maxzoom':14,'fields':{'name:mt':'String','name:pt':'String','name:az':'String','name:cy':'String','name:rm':'String','name:ko':'String','name:kn':'String','name:ar':'String','name:cs':'String','name_de':'String','name:ro':'String','name:it':'String','name_int':'String','name:ru':'String','name:pl':'String','name:ca':'String','name:hu':'String','name:ka':'String','name:fi':'String','name:da':'String','name:de':'String','name:tr':'String','name:fr':'String','name:mk':'String','name:nonlatin':'String','name:fy':'String','name:zh':'String','name:sl':'String','name:lv':'String','name:ja':'String','name:lt':'String','name:no':'String','name:kk':'String','name:sv':'String','name:he':'String','name:ja_rm':'String','name:ga':'String','name:br':'String','name:bs':'String','name:lb':'String','class':'String','name:ko_rm':'String','name:la':'String','name:sk':'String','name:uk':'String','name:hy':'String','name:be':'String','name_en':'String','name:bg':'String','name:hr':'String','name:sr':'String','name:sq':'String','name:el':'String','name:eo':'String','name:en':'String','name':'String','name:gd':'String','name:ja_kana':'String','name:is':'String','name:th':'String','name:latin':'String','name:sr-Latn':'String','name:et':'String','name:nl':'String','name:es':'String'},'minzoom':0,'id':'waterway','description':''},{'maxzoom':14,'fields':{'class':'String','subclass':'String'},'minzoom':0,'id':'landcover','description':''},{'maxzoom':14,'fields':{'class':'String'},'minzoom':0,'id':'landuse','description':''},{'maxzoom':14,'fields':{'name:mt':'String','name:pt':'String','name:az':'String','name:cy':'String','name:rm':'String','name:ko':'String','name:kn':'String','name:ar':'String','name:cs':'String','rank':'Number','name_de':'String','name:ro':'String','name:it':'String','name_int':'String','name:nl':'String','name:pl':'String','ele':'Number','name:ca':'String','name:hu':'String','name:ka':'String','name:fi':'String','name:da':'String','name:de':'String','name:tr':'String','name:fr':'String','name:mk':'String','name:nonlatin':'String','name:fy':'String','name:zh':'String','name:sl':'String','name:lv':'String','name:ja':'String','name:lt':'String','name:no':'String','name:kk':'String','name:sv':'String','name:he':'String','name:ja_rm':'String','name:ga':'String','name:br':'String','name:bs':'String','name:lb':'String','name:ko_rm':'String','name:la':'String','name:sk':'String','name:uk':'String','name:hy':'String','name:ru':'String','name:be':'String','name_en':'String','name:bg':'String','name:hr':'String','name:sr':'String','name:sq':'String','name:el':'String','name:eo':'String','name:en':'String','name':'String','name:gd':'String','ele_ft':'Number','name:ja_kana':'String','name:is':'String','osm_id':'Number','name:th':'String','name:latin':'String','name:sr-Latn':'String','name:et':'String','name:es':'String'},'minzoom':0,'id':'mountain_peak','description':''},{'maxzoom':14,'fields':{'class':'String'},'minzoom':0,'id':'park','description':''},{'maxzoom':14,'fields':{'admin_level':'Number','disputed':'Number','maritime':'Number'},'minzoom':0,'id':'boundary','description':''},{'maxzoom':14,'fields':{'ref':'String','class':'String'},'minzoom':0,'id':'aeroway','description':''},{'maxzoom':14,'fields':{'layer':'Number','service':'String','level':'Number','brunnel':'String','indoor':'Number','ramp':'Number','subclass':'String','oneway':'Number','class':'String'},'minzoom':0,'id':'transportation','description':''},{'maxzoom':14,'fields':{'render_min_height':'Number','render_height':'Number'},'minzoom':0,'id':'building','description':''},{'maxzoom':14,'fields':{'name:mt':'String','name:pt':'String','name:az':'String','name:cy':'String','name:rm':'String','name:ko':'String','name:kn':'String','name:ar':'String','name:cs':'String','name_de':'String','name:ro':'String','name:it':'String','name_int':'String','name:ru':'String','name:pl':'String','name:ca':'String','name:hu':'String','name:ka':'String','name:fi':'String','name:da':'String','name:de':'String','name:tr':'String','name:fr':'String','name:mk':'String','name:nonlatin':'String','name:fy':'String','name:zh':'String','name:sl':'String','name:lv':'String','name:ja':'String','name:lt':'String','name:no':'String','name:kk':'String','name:sv':'String','name:he':'String','name:ja_rm':'String','name:ga':'String','name:br':'String','name:bs':'String','name:lb':'String','class':'String','name:ko_rm':'String','name:la':'String','name:sk':'String','name:uk':'String','name:hy':'String','name:be':'String','name_en':'String','name:bg':'String','name:hr':'String','name:sr':'String','name:sq':'String','name:el':'String','name:eo':'String','name:en':'String','name':'String','name:gd':'String','name:ja_kana':'String','name:is':'String','name:th':'String','name:latin':'String','name:sr-Latn':'String','name:et':'String','name:nl':'String','name:es':'String'},'minzoom':0,'id':'water_name','description':''},{'maxzoom':14,'fields':{'name:mt':'String','name:pt':'String','name:az':'String','name:cy':'String','name:rm':'String','name:ko':'String','name:kn':'String','name:ar':'String','name:cs':'String','layer':'Number','name_de':'String','name:ro':'String','name:it':'String','name_int':'String','name:ru':'String','name:pl':'String','name:ca':'String','name:hu':'String','name:ka':'String','name:fi':'String','name:da':'String','subclass':'String','name:de':'String','indoor':'Number','name:tr':'String','name:fr':'String','name:mk':'String','name:nonlatin':'String','name:fy':'String','name:zh':'String','name:sl':'String','name:lv':'String','name:ja':'String','name:lt':'String','name:no':'String','name:kk':'String','name:sv':'String','name:he':'String','name:ja_rm':'String','name:ga':'String','name:br':'String','name:bs':'String','name:lb':'String','class':'String','name:ko_rm':'String','name:la':'String','name:sk':'String','name:uk':'String','name:hy':'String','name:be':'String','name_en':'String','name:bg':'String','name:hr':'String','name:sr':'String','name:sq':'String','network':'String','name:el':'String','name:eo':'String','name:en':'String','name':'String','name:gd':'String','ref':'String','name:ja_kana':'String','level':'Number','ref_length':'Number','name:is':'String','name:th':'String','name:latin':'String','name:sr-Latn':'String','name:et':'String','name:nl':'String','name:es':'String'},'minzoom':0,'id':'transportation_name','description':''},{'maxzoom':14,'fields':{'name:mt':'String','name:pt':'String','name:az':'String','name:cy':'String','name:rm':'String','name:ko':'String','name:kn':'String','name:ar':'String','name:cs':'String','rank':'Number','name_de':'String','name:ro':'String','name:it':'String','name_int':'String','name:ru':'String','name:pl':'String','name:ca':'String','name:hu':'String','name:ka':'String','name:fi':'String','name:da':'String','name:de':'String','name:tr':'String','name:fr':'String','name:mk':'String','name:nonlatin':'String','name:fy':'String','name:zh':'String','capital':'Number','name:sl':'String','name:lv':'String','name:ja':'String','name:ko_rm':'String','name:no':'String','name:kk':'String','name:sv':'String','name:he':'String','name:ja_rm':'String','name:ga':'String','name:br':'String','name:bs':'String','name:lb':'String','class':'String','name:la':'String','name:sk':'String','name:uk':'String','name:hy':'String','name:be':'String','name_en':'String','name:bg':'String','name:hr':'String','name:sr':'String','name:sq':'String','name:th':'String','name:el':'String','name:eo':'String','name:en':'String','name':'String','name:gd':'String','iso_a2':'String','name:ja_kana':'String','name:is':'String','name:lt':'String','name:latin':'String','name:sr-Latn':'String','name:et':'String','name:nl':'String','name:es':'String'},'minzoom':0,'id':'place','description':''},{'maxzoom':14,'fields':{'housenumber':'String'},'minzoom':0,'id':'housenumber','description':''},{'maxzoom':14,'fields':{'name:mt':'String','name:pt':'String','name:az':'String','name:cy':'String','name:rm':'String','name:ko':'String','name:kn':'String','name:ar':'String','name:cs':'String','rank':'Number','name_de':'String','name:ro':'String','name:it':'String','name_int':'String','name:ru':'String','name:pl':'String','name:ca':'String','name:hu':'String','name:ka':'String','name:fi':'String','name:da':'String','subclass':'String','name:de':'String','name:tr':'String','name:fr':'String','name:mk':'String','name:nonlatin':'String','name:fy':'String','name:zh':'String','name:sl':'String','name:lv':'String','name:ja':'String','name:lt':'String','name:no':'String','name:kk':'String','name:sv':'String','name:he':'String','name:ja_rm':'String','name:ga':'String','name:br':'String','name:bs':'String','name:lb':'String','class':'String','name:ko_rm':'String','name:la':'String','name:sk':'String','name:uk':'String','name:hy':'String','name:be':'String','name_en':'String','name:bg':'String','name:hr':'String','name:sr':'String','name:sq':'String','name:el':'String','name:eo':'String','name:en':'String','name':'String','name:gd':'String','name:ja_kana':'String','name:is':'String','name:th':'String','agg_stop':'Number','name:latin':'String','name:sr-Latn':'String','name:et':'String','name:nl':'String','name:es':'String'},'minzoom':0,'id':'poi','description':''},{'maxzoom':14,'fields':{'name:mt':'String','name:pt':'String','name:az':'String','name:cy':'String','name:rm':'String','name:ko':'String','name:kn':'String','name:ar':'String','name:cs':'String','name_de':'String','name:ro':'String','name:it':'String','name_int':'String','name:nl':'String','name:pl':'String','ele':'Number','name:lt':'String','name:ca':'String','name:hu':'String','name:ka':'String','name:fi':'String','name:da':'String','name:de':'String','name:tr':'String','name:fr':'String','name:mk':'String','name:nonlatin':'String','name:fy':'String','name:zh':'String','name:latin':'String','name:sl':'String','name:lv':'String','name:ja':'String','name:ko_rm':'String','name:no':'String','name:kk':'String','name:sv':'String','name:he':'String','name:ja_rm':'String','name:ga':'String','name:br':'String','name:bs':'String','name:lb':'String','class':'String','name:la':'String','name:sk':'String','name:uk':'String','name:hy':'String','name:ru':'String','name:be':'String','name_en':'String','name:bg':'String','name:hr':'String','name:sr':'String','name:sq':'String','name:th':'String','name:el':'String','name:eo':'String','name:en':'String','name':'String','name:gd':'String','ele_ft':'Number','name:ja_kana':'String','name:is':'String','osm_id':'Number','iata':'String','icao':'String','name:sr-Latn':'String','name:et':'String','name:es':'String'},'minzoom':0,'id':'aerodrome_label','description':''}],'center':[-12.2168,28.6135,4],'bounds':[-180,-85.0511,180,85.0511],'maskLevel':'8','planettime':'1523232000000','version':'3.7','tilejson':'2.0.0'}");
sourceJson.Name = source.Key;
}
else if (source.Value.Url.StartsWith("mbtiles"))
{
var dataSource = new MbTilesTileSource(new SQLiteConnectionString(source.Value.Url.Substring(10), false));
sourceJson = JsonConvert.DeserializeObject <Source>(@"{'vector_layers':[{'maxzoom':14,'fields':{'class':'String'},'minzoom':0,'id':'water','description':''},{'maxzoom':14,'fields':{'name:mt':'String','name:pt':'String','name:az':'String','name:ka':'String','name:rm':'String','name:ko':'String','name:kn':'String','name:ar':'String','name:cs':'String','name_de':'String','name:ro':'String','name:it':'String','name_int':'String','name:ru':'String','name:pl':'String','name:ca':'String','name:lv':'String','name:bg':'String','name:cy':'String','name:fi':'String','name:he':'String','name:da':'String','name:de':'String','name:tr':'String','name:fr':'String','name:mk':'String','name:nonlatin':'String','name:fy':'String','name:be':'String','name:zh':'String','name:sr':'String','name:sl':'String','name:nl':'String','name:ja':'String','name:lt':'String','name:no':'String','name:kk':'String','name:ko_rm':'String','name:ja_rm':'String','name:br':'String','name:bs':'String','name:lb':'String','name:la':'String','name:sk':'String','name:uk':'String','name:hy':'String','name:sv':'String','name_en':'String','name:hu':'String','name:hr':'String','class':'String','name:sq':'String','name:el':'String','name:ga':'String','name:en':'String','name':'String','name:gd':'String','name:ja_kana':'String','name:is':'String','name:th':'String','name:latin':'String','name:sr-Latn':'String','name:et':'String','name:es':'String'},'minzoom':0,'id':'waterway','description':''},{'maxzoom':14,'fields':{'class':'String','subclass':'String'},'minzoom':0,'id':'landcover','description':''},{'maxzoom':14,'fields':{'class':'String'},'minzoom':0,'id':'landuse','description':''},{'maxzoom':14,'fields':{'name:mt':'String','name:pt':'String','name:az':'String','name:ka':'String','name:rm':'String','name:ko':'String','name:kn':'String','name:ar':'String','name:cs':'String','rank':'Number','name_de':'String','name:ro':'String','name:it':'String','name_int':'String','name:lv':'String','name:pl':'String','name:de':'String','name:ca':'String','name:bg':'String','name:cy':'String','name:fi':'String','name:he':'String','name:da':'String','ele':'Number','name:tr':'String','name:fr':'String','name:mk':'String','name:nonlatin':'String','name:fy':'String','name:be':'String','name:zh':'String','name:sl':'String','name:nl':'String','name:ja':'String','name:lt':'String','name:no':'String','name:kk':'String','name:ko_rm':'String','name:ja_rm':'String','name:br':'String','name:bs':'String','name:lb':'String','name:la':'String','name:sk':'String','name:uk':'String','name:hy':'String','name:ru':'String','name:sv':'String','name_en':'String','name:hu':'String','name:hr':'String','name:sr':'String','name:sq':'String','name:el':'String','name:ga':'String','name:en':'String','name':'String','name:gd':'String','ele_ft':'Number','name:ja_kana':'String','name:is':'String','osm_id':'Number','name:th':'String','name:latin':'String','name:sr-Latn':'String','name:et':'String','name:es':'String'},'minzoom':0,'id':'mountain_peak','description':''},{'maxzoom':14,'fields':{'class':'String'},'minzoom':0,'id':'park','description':''},{'maxzoom':14,'fields':{'admin_level':'Number','disputed':'Number','maritime':'Number'},'minzoom':0,'id':'boundary','description':''},{'maxzoom':14,'fields':{'class':'String'},'minzoom':0,'id':'aeroway','description':''},{'maxzoom':14,'fields':{'brunnel':'String','ramp':'Number','class':'String','service':'String','oneway':'Number'},'minzoom':0,'id':'transportation','description':''},{'maxzoom':14,'fields':{'render_min_height':'Number','render_height':'Number'},'minzoom':0,'id':'building','description':''},{'maxzoom':14,'fields':{'name:mt':'String','name:pt':'String','name:az':'String','name:ka':'String','name:rm':'String','name:ko':'String','name:kn':'String','name:ar':'String','name:cs':'String','name_de':'String','name:ro':'String','name:it':'String','name_int':'String','name:ru':'String','name:pl':'String','name:ca':'String','name:lv':'String','name:bg':'String','name:cy':'String','name:fi':'String','name:he':'String','name:da':'String','name:de':'String','name:tr':'String','name:fr':'String','name:mk':'String','name:nonlatin':'String','name:fy':'String','name:be':'String','name:zh':'String','name:sr':'String','name:sl':'String','name:nl':'String','name:ja':'String','name:lt':'String','name:no':'String','name:kk':'String','name:ko_rm':'String','name:ja_rm':'String','name:br':'String','name:bs':'String','name:lb':'String','name:la':'String','name:sk':'String','name:uk':'String','name:hy':'String','name:sv':'String','name_en':'String','name:hu':'String','name:hr':'String','class':'String','name:sq':'String','name:el':'String','name:ga':'String','name:en':'String','name':'String','name:gd':'String','name:ja_kana':'String','name:is':'String','name:th':'String','name:latin':'String','name:sr-Latn':'String','name:et':'String','name:es':'String'},'minzoom':0,'id':'water_name','description':''},{'maxzoom':14,'fields':{'name:mt':'String','name:pt':'String','name:az':'String','name:ka':'String','name:rm':'String','name:ko':'String','name:kn':'String','name:ar':'String','name:cs':'String','name_de':'String','name:ro':'String','name:it':'String','name_int':'String','name:ru':'String','name:pl':'String','name:ca':'String','name:lv':'String','name:bg':'String','name:cy':'String','name:fi':'String','name:he':'String','name:da':'String','name:de':'String','name:tr':'String','name:fr':'String','name:mk':'String','name:nonlatin':'String','name:fy':'String','name:be':'String','name:zh':'String','name:sr':'String','name:sl':'String','name:nl':'String','name:ja':'String','name:lt':'String','name:no':'String','name:kk':'String','name:ko_rm':'String','name:ja_rm':'String','name:br':'String','name:bs':'String','name:lb':'String','name:la':'String','name:sk':'String','name:uk':'String','name:hy':'String','name:sv':'String','name_en':'String','name:hu':'String','name:hr':'String','class':'String','name:sq':'String','network':'String','name:el':'String','name:ga':'String','name:en':'String','name':'String','name:gd':'String','ref':'String','name:ja_kana':'String','ref_length':'Number','name:is':'String','name:th':'String','name:latin':'String','name:sr-Latn':'String','name:et':'String','name:es':'String'},'minzoom':0,'id':'transportation_name','description':''},{'maxzoom':14,'fields':{'name:mt':'String','name:pt':'String','name:az':'String','name:ka':'String','name:rm':'String','name:ko':'String','name:kn':'String','name:ar':'String','name:cs':'String','rank':'Number','name_de':'String','name:ro':'String','name:it':'String','name_int':'String','name:ru':'String','name:pl':'String','name:ca':'String','name:lv':'String','name:bg':'String','name:cy':'String','name:hr':'String','name:fi':'String','name:he':'String','name:da':'String','name:de':'String','name:tr':'String','name:fr':'String','name:mk':'String','name:nonlatin':'String','name:fy':'String','name:be':'String','name:zh':'String','name:sr':'String','name:sl':'String','name:nl':'String','name:ja':'String','name:ko_rm':'String','name:no':'String','name:kk':'String','capital':'Number','name:ja_rm':'String','name:br':'String','name:bs':'String','name:lb':'String','name:la':'String','name:sk':'String','name:uk':'String','name:hy':'String','name:sv':'String','name_en':'String','name:hu':'String','name:lt':'String','class':'String','name:sq':'String','name:el':'String','name:ga':'String','name:en':'String','name':'String','name:gd':'String','name:ja_kana':'String','name:is':'String','name:th':'String','name:latin':'String','name:sr-Latn':'String','name:et':'String','name:es':'String'},'minzoom':0,'id':'place','description':''},{'maxzoom':14,'fields':{'housenumber':'String'},'minzoom':0,'id':'housenumber','description':''},{'maxzoom':14,'fields':{'name:mt':'String','name:pt':'String','name:az':'String','name:ka':'String','name:rm':'String','name:ko':'String','name:kn':'String','name:ar':'String','name:cs':'String','rank':'Number','name_de':'String','name:ro':'String','name:it':'String','name_int':'String','name:ru':'String','name:pl':'String','name:ca':'String','name:lv':'String','name:bg':'String','name:cy':'String','name:fi':'String','name:he':'String','name:da':'String','subclass':'String','name:de':'String','name:tr':'String','name:fr':'String','name:mk':'String','name:nonlatin':'String','name:fy':'String','name:be':'String','name:zh':'String','name:sr':'String','name:sl':'String','name:nl':'String','name:ja':'String','name:lt':'String','name:no':'String','name:kk':'String','name:ko_rm':'String','name:ja_rm':'String','name:br':'String','name:bs':'String','name:lb':'String','name:la':'String','name:sk':'String','name:uk':'String','name:hy':'String','name:sv':'String','name_en':'String','name:hu':'String','name:hr':'String','class':'String','name:sq':'String','name:el':'String','name:ga':'String','name:en':'String','name':'String','name:gd':'String','name:ja_kana':'String','name:is':'String','name:th':'String','name:latin':'String','name:sr-Latn':'String','name:et':'String','name:es':'String'},'minzoom':0,'id':'poi','description':''}]}");
//sourceJson = JsonConvert.DeserializeObject<Source>(dataSource.Json);
sourceJson.Name = source.Key;
sourceJson.Tiles = new List <string> {
source.Value.Url
};
sourceJson.Scheme = dataSource.Schema.YAxis == YAxis.TMS ? "tms" : "osm";
sourceJson.Bounds = new JValue[]
{
new JValue(dataSource.Schema.Extent.MinX),
new JValue(dataSource.Schema.Extent.MinY),
new JValue(dataSource.Schema.Extent.MaxX),
new JValue(dataSource.Schema.Extent.MinX)
};
}
}
// Create new vector layer
var vectorTilelayer = CreateVectorLayer(sourceJson, symbolProvider);
// Layer has a list of ThemeStyles, one for each style in style file
vectorTilelayer.Style = new StyleCollection();
// Add all ThemeStyles for this layer
foreach (var styleLayer in styleJson.StyleLayers)
{
((StyleCollection)vectorTilelayer.Style).Add(styleLayer.Style);
}
// Add bounds to bounds of SymbolProvider
symbolProvider.Bounds.Join(((VectorTileProvider)vectorTilelayer.DataSource).Bounds);
// Only when Style avalible
vectorTilelayer.Enabled = ((StyleCollection)vectorTilelayer.Style).Count > 0;
// Add layer to map
map.Layers.Add(vectorTilelayer);
break;
case "geoJson":
break;
case "image":
break;
case "video":
break;
default:
throw new ArgumentException($"{source.Value.Type} isn't a valid source");
}
}
// Now add SymbolLayer at top most on map
map.Layers.Add(new Layer("Symbols")
{
DataSource = symbolProvider,
CRS = "EPSG:3857",
MinVisible = 0,
MaxVisible = double.PositiveInfinity,
});
if (styleJson.Center != null)
{
Center = Projection.SphericalMercator.FromLonLat(styleJson.Center[0], styleJson.Center[1]);
map.NavigateTo(Center);
}
map.ZoomMode = ZoomMode.None;
}
private void MergeInSymbolArray(Symbol[] symbolsToAdd, out List <Symbol> createdSymbols, out List <Symbol> deletedSymbols)
{
int capacity = symbols.Length + symbolsToAdd.Length;
//We don't know exact numbers of the new symbols, because some might get split, and some might get removed.
//Thus we use a list, and chosen initial capacity makes some sense.
var mergedIntervals = new List <Symbol>(capacity);
var oldSymbols = new OldSymbolProvider(comparer, symbols);
var newSymbols = new SymbolProvider(symbolsToAdd);
createdSymbols = new List <Symbol>();
deletedSymbols = new List <Symbol>();
//While new and old symbols might interleave
while (!oldSymbols.Empty && !newSymbols.Empty)
{
//While they do not overlap
while (!oldSymbols.Empty && !newSymbols.Empty && !oldSymbols.Current.Overlaps(newSymbols.Current))
{
//Symbols do not overlap here so it is sufficient to check only beginnings to find out which comes 1st.
//In case of copying new symbol, we can move whole cake, because it will never be cached.
if (oldSymbols.Current.Start < newSymbols.Current.Start)
{
mergedIntervals.Add(oldSymbols.Consume());
}
else
{
CopyCake(mergedIntervals, newSymbols);
}
}
if (oldSymbols.Empty || newSymbols.Empty)
{
break;
}
//Here we are sure that current old and new symbols overlap somehow
//
//While we are not behind the current new symbol, keep adding old symbols and hash them if needed.
//Also handles zero length symbols. It is done with such an ugly condition, be cause otherwise,
//Two loops would be needed, one before overlaps, and one after, for different placements of 0-length
//symbols.
while (!oldSymbols.Empty && (
oldSymbols.Current.Start < newSymbols.Current.End || (
newSymbols.Current.Length == 0 &&
oldSymbols.Current.Start == newSymbols.Current.End
)))
{
AddSymbolWithHashing(oldSymbols, newSymbols, mergedIntervals, createdSymbols, deletedSymbols);
}
//Copy in the new symbol cake
CopyCake(mergedIntervals, newSymbols);
}
//Copy rest of the symbols. If the symbol comes from temporary list, it should be "materialized"
while (!oldSymbols.Empty)
{
if (oldSymbols.CurrentType == OldSymbolProvider.SymbolType.Temporary)
{
createdSymbols.Add(oldSymbols.Current);
}
mergedIntervals.Add(oldSymbols.Consume());
}
//Copy rest of the newSymbols
CopyRest(mergedIntervals, newSymbols);
symbols = mergedIntervals.ToArray();
}
public MapboxGLThemeStyle(StyleLayerConverter converter, StyleLayer styleLayer, Dictionary <string, Styles.Sprite> sprites, Viewport viewport, SymbolProvider symbolProvider)
{
_converter = converter;
_styleLayer = styleLayer;
_sprites = sprites;
_viewport = viewport;
_symbolProvider = symbolProvider;
// Do this only once
if (_viewport != null)
{
_viewport.ViewportChanged += (s, e) => { Zoom = FromResolution(_viewport.Resolution); ZoomLevel = (int)Math.Floor(Zoom); }
}
;
}
