public PluginLibrary(string name, params PluginEngine[] engines)
{
if (engines == null)
throw new ArgumentNullException("engines");
_engines = new ReadOnlyCollection<PluginEngine>((PluginEngine[])engines.Clone());
unsafe
{
gvplugin_library_t* library = (gvplugin_library_t*)Marshal.AllocHGlobal(Marshal.SizeOf(typeof(gvplugin_library_t)));
_library = new SafeMarshalHGlobalHandle((IntPtr)library, true);
library->apis = (gvplugin_api_t*)Marshal.AllocHGlobal((engines.Length + 1) * Marshal.SizeOf(typeof(gvplugin_api_t)));
_apis = new SafeMarshalHGlobalHandle((IntPtr)library->apis, true);
library->apis[engines.Length] = new gvplugin_api_t();
library->packagename = (byte*)Marshal.StringToHGlobalAnsi(name);
_packageName = new SafeMarshalHGlobalHandle((IntPtr)library->packagename, true);
for (int i = 0; i < engines.Length; i++)
{
library->apis[i].api = engines[i].Api;
library->apis[i].types = engines[i].InstalledPluginData;
}
}
}
public DeviceEngine(string type)
{
this._initialize = Initialize;
this._format = Format;
this._finalize = Finalize;
unsafe
{
gvdevice_engine_t* deviceEngine = (gvdevice_engine_t*)Marshal.AllocHGlobal(Marshal.SizeOf(typeof(gvdevice_engine_t)));
_deviceEngine = new SafeMarshalHGlobalHandle((IntPtr)deviceEngine, true);
*deviceEngine = new gvdevice_engine_t();
deviceEngine->initialize = Marshal.GetFunctionPointerForDelegate(_initialize);
deviceEngine->format = Marshal.GetFunctionPointerForDelegate(_format);
deviceEngine->finalize = Marshal.GetFunctionPointerForDelegate(_finalize);
gvdevice_features_t* deviceFeatures = (gvdevice_features_t*)Marshal.AllocHGlobal(Marshal.SizeOf(typeof(gvdevice_features_t)));
_deviceFeatures = new SafeMarshalHGlobalHandle((IntPtr)deviceFeatures, true);
*deviceFeatures = new gvdevice_features_t();
deviceFeatures->flags = DeviceFeatures.None;
deviceFeatures->default_margin = new pointf(36, 36);
deviceFeatures->default_pagesize = new pointf(612, 792);
deviceFeatures->default_dpi = new pointf(72, 72);
gvplugin_installed_t* installedPluginData = (gvplugin_installed_t*)Marshal.AllocHGlobal(2 * Marshal.SizeOf(typeof(gvplugin_installed_t)));
_installedPluginData = new SafeMarshalHGlobalHandle((IntPtr)installedPluginData, true);
_engineType = new SafeMarshalHGlobalHandle(Marshal.StringToHGlobalAnsi(type), true);
installedPluginData->id = 0;
installedPluginData->type = (byte*)_engineType.DangerousGetHandle();
installedPluginData->quality = 0;
installedPluginData->engine = deviceEngine;
installedPluginData->features = deviceFeatures;
installedPluginData[1] = new gvplugin_installed_t();
}
}
public TextLayoutEngine(string type)
{
unsafe
{
this._textlayout = TextLayout;
gvtextlayout_engine_t* textLayoutEngine = (gvtextlayout_engine_t*)Marshal.AllocHGlobal(Marshal.SizeOf(typeof(gvtextlayout_engine_t)));
_textLayoutEngine = new SafeMarshalHGlobalHandle((IntPtr)textLayoutEngine, true);
*textLayoutEngine = new gvtextlayout_engine_t();
textLayoutEngine->textlayout = Marshal.GetFunctionPointerForDelegate(_textlayout);
gvplugin_installed_t* installedPluginData = (gvplugin_installed_t*)Marshal.AllocHGlobal(2 * Marshal.SizeOf(typeof(gvplugin_installed_t)));
_installedPluginData = new SafeMarshalHGlobalHandle((IntPtr)installedPluginData, true);
_engineType = new SafeMarshalHGlobalHandle(Marshal.StringToHGlobalAnsi(type), true);
installedPluginData->id = 0;
installedPluginData->type = (byte*)_engineType.DangerousGetHandle();
installedPluginData->quality = 0;
installedPluginData->engine = textLayoutEngine;
installedPluginData->features = null;
installedPluginData[1] = new gvplugin_installed_t();
}
}
public RenderEngine(string type)
{
this._begin_job = BeginJob;
this._end_job = EndJob;
this._begin_graph = BeginGraph;
this._end_graph = EndGraph;
this._begin_layer = BeginLayer;
this._end_layer = EndLayer;
this._begin_page = BeginPage;
this._end_page = EndPage;
this._begin_cluster = BeginCluster;
this._end_cluster = EndCluster;
this._begin_nodes = BeginNodes;
this._end_nodes = EndNodes;
this._begin_edges = BeginEdges;
this._end_edges = EndEdges;
this._begin_node = BeginNode;
this._end_node = EndNode;
this._begin_edge = BeginEdge;
this._end_edge = EndEdge;
this._begin_anchor = BeginAnchor;
this._end_anchor = EndAnchor;
this._begin_label = BeginLabel;
this._end_label = EndLabel;
this._textpara = TextParagraph;
this._resolve_color = ResolveColor;
this._ellipse = Ellipse;
this._polygon = Polygon;
this._beziercurve = BezierCurve;
this._polyline = Polyline;
this._comment = Comment;
this._library_shape = LibraryShape;
unsafe
{
gvrender_engine_t* renderEngine = (gvrender_engine_t*)Marshal.AllocHGlobal(Marshal.SizeOf(typeof(gvrender_engine_t)));
_renderEngine = new SafeMarshalHGlobalHandle((IntPtr)renderEngine, true);
*renderEngine = new gvrender_engine_t();
renderEngine->begin_job = Marshal.GetFunctionPointerForDelegate(_begin_job);
renderEngine->end_job = Marshal.GetFunctionPointerForDelegate(_end_job);
renderEngine->begin_graph = Marshal.GetFunctionPointerForDelegate(_begin_graph);
renderEngine->end_graph = Marshal.GetFunctionPointerForDelegate(_end_graph);
renderEngine->begin_layer = Marshal.GetFunctionPointerForDelegate(_begin_layer);
renderEngine->end_layer = Marshal.GetFunctionPointerForDelegate(_end_layer);
renderEngine->begin_page = Marshal.GetFunctionPointerForDelegate(_begin_page);
renderEngine->end_page = Marshal.GetFunctionPointerForDelegate(_end_page);
renderEngine->begin_cluster = Marshal.GetFunctionPointerForDelegate(_begin_cluster);
renderEngine->end_cluster = Marshal.GetFunctionPointerForDelegate(_end_cluster);
renderEngine->begin_nodes = Marshal.GetFunctionPointerForDelegate(_begin_nodes);
renderEngine->end_nodes = Marshal.GetFunctionPointerForDelegate(_end_nodes);
renderEngine->begin_edges = Marshal.GetFunctionPointerForDelegate(_begin_edges);
renderEngine->end_edges = Marshal.GetFunctionPointerForDelegate(_end_edges);
renderEngine->begin_node = Marshal.GetFunctionPointerForDelegate(_begin_node);
renderEngine->end_node = Marshal.GetFunctionPointerForDelegate(_end_node);
renderEngine->begin_edge = Marshal.GetFunctionPointerForDelegate(_begin_edge);
renderEngine->end_edge = Marshal.GetFunctionPointerForDelegate(_end_edge);
renderEngine->begin_anchor = Marshal.GetFunctionPointerForDelegate(_begin_anchor);
renderEngine->end_anchor = Marshal.GetFunctionPointerForDelegate(_end_anchor);
renderEngine->begin_label = Marshal.GetFunctionPointerForDelegate(_begin_label);
renderEngine->end_label = Marshal.GetFunctionPointerForDelegate(_end_label);
renderEngine->textpara = Marshal.GetFunctionPointerForDelegate(_textpara);
renderEngine->resolve_color = Marshal.GetFunctionPointerForDelegate(_resolve_color);
renderEngine->ellipse = Marshal.GetFunctionPointerForDelegate(_ellipse);
renderEngine->polygon = Marshal.GetFunctionPointerForDelegate(_polygon);
renderEngine->beziercurve = Marshal.GetFunctionPointerForDelegate(_beziercurve);
renderEngine->polyline = Marshal.GetFunctionPointerForDelegate(_polyline);
renderEngine->comment = Marshal.GetFunctionPointerForDelegate(_comment);
renderEngine->library_shape = Marshal.GetFunctionPointerForDelegate(_library_shape);
gvrender_features_t* renderFeatures = (gvrender_features_t*)Marshal.AllocHGlobal(Marshal.SizeOf(typeof(gvrender_features_t)));
_renderFeatures = new SafeMarshalHGlobalHandle((IntPtr)renderFeatures, true);
*renderFeatures = new gvrender_features_t();
gvplugin_installed_t* installedPluginData = (gvplugin_installed_t*)Marshal.AllocHGlobal(2 * Marshal.SizeOf(typeof(gvplugin_installed_t)));
_installedPluginData = new SafeMarshalHGlobalHandle((IntPtr)installedPluginData, true);
_engineType = new SafeMarshalHGlobalHandle(Marshal.StringToHGlobalAnsi(type), true);
installedPluginData->id = 0;
installedPluginData->type = (byte*)_engineType.DangerousGetHandle();
installedPluginData->quality = 0;
installedPluginData->engine = renderEngine;
installedPluginData->features = renderFeatures;
installedPluginData[1] = new gvplugin_installed_t();
}
}
