Added SubD drawing samples

cpp/SampleCommands/SampleCommands.vcxproj

@@ -17,8 +17,9 @@
     <ClCompile Include="cmdSampleComputeVertexColors.cpp" />
     <ClCompile Include="cmdSampleCopyInPlace.cpp" />
     <ClCompile Include="cmdSampleCPlaneWorld.cpp" />
-    <ClCompile Include="cmdSampleCsCachedTextureCoordinates.cpp" />
     <ClCompile Include="cmdSampleDeleteFaces.cpp" />
+    <ClCompile Include="cmdSampleDrawSubD.cpp" />
+    <ClCompile Include="cmdSampleDrawSubDWires.cpp" />
     <ClCompile Include="cmdSampleDrawZebraPreview.cpp" />
     <ClCompile Include="cmdSampleDump3dmMaterialTextures.cpp" />
     <ClCompile Include="cmdSampleDumpMeshCachedTextureCoordinates.cpp" />

cpp/SampleCommands/SampleCommands.vcxproj.filters

@@ -852,7 +852,10 @@
     <ClCompile Include="cmdSampleDumpMeshCachedTextureCoordinates.cpp">
       <Filter>Source Files</Filter>
     </ClCompile>
-    <ClCompile Include="cmdSampleCsCachedTextureCoordinates.cpp">
+    <ClCompile Include="cmdSampleDrawSubDWires.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+    <ClCompile Include="cmdSampleDrawSubD.cpp">
       <Filter>Source Files</Filter>
     </ClCompile>
   </ItemGroup>

cpp/SampleCommands/cmdSampleDrawSubD.cpp

@@ -0,0 +1,116 @@
+#include "stdafx.h"
+
+////////////////////////////////////////////////////////////////
+////////////////////////////////////////////////////////////////
+//
+// BEGIN SampleDrawSubD command
+//
+
+class CSampleDrawSubDConduit : public CRhinoDisplayConduit
+{
+public:
+  CSampleDrawSubDConduit(const ON_SubD& subd, ON_Color color);
+  bool ExecConduit(CRhinoDisplayPipeline& dp, UINT nActiveChannel, bool& bTerminateChannel) override;
+
+private:
+  const ON_SubD& m_subd;
+  ON_Color m_color;
+};
+
+CSampleDrawSubDConduit::CSampleDrawSubDConduit(const ON_SubD& subd, ON_Color color)
+  : CRhinoDisplayConduit(CSupportChannels::SC_CALCBOUNDINGBOX | CSupportChannels::SC_PREDRAWOBJECTS)
+  , m_subd(subd)
+  , m_color(color)
+{
+}
+
+bool CSampleDrawSubDConduit::ExecConduit(CRhinoDisplayPipeline& dp, UINT nActiveChannel, bool& bTerminateChannel)
+{
+  if (nActiveChannel == CSupportChannels::SC_CALCBOUNDINGBOX)
+  {
+    ON_BoundingBox bbox;
+    if (m_subd.GetTightBoundingBox(bbox, false))
+      m_pChannelAttrs->m_BoundingBox.Union(bbox);
+  }
+  else if (nActiveChannel == CSupportChannels::SC_PREDRAWOBJECTS)
+  {
+    CDisplayPipelineAttributes* pDA = const_cast<CDisplayPipelineAttributes*>(dp.DisplayAttrs());
+    if (nullptr != pDA)
+    {
+      CRhinoSubDDisplay subd_display = CRhinoSubDDisplay::Create(m_subd);
+      CRhinoSubDDisplayAttributes subd_display_attrs;
+      subd_display_attrs.m_bDrawControlNet = false;
+      subd_display_attrs.m_bDrawSurfaceNet = false;
+      subd_display_attrs.m_bDrawEdges = false;
+      subd_display_attrs.m_bDrawSurface = true;
+
+      ON_Material mat;
+      mat.m_diffuse = m_color;
+      CDisplayPipelineMaterial material(mat);
+
+      CDisplayPipelineMaterial* pOldMaterial = pDA->m_pMaterial;
+      pDA->m_pMaterial = &material;
+
+      dp.DrawSubD(subd_display, subd_display_attrs);
+
+      pDA->m_pMaterial = pOldMaterial;
+    }
+  }
+
+  return true;
+}
+
+////////////////////////////////////////////////////////////////
+////////////////////////////////////////////////////////////////
+
+#pragma region SampleDrawSubD command
+
+class CCommandSampleDrawSubD : public CRhinoCommand
+{
+public:
+  CCommandSampleDrawSubD() = default;
+  UUID CommandUUID() override
+  {
+    // {EA9A6A06-2CAA-4971-9E89-6DD97177CE2F}
+    static const GUID SampleDrawSubDCommand_UUID =
+    { 0xEA9A6A06, 0x2CAA, 0x4971, { 0x9E, 0x89, 0x6D, 0xD9, 0x71, 0x77, 0xCE, 0x2F } };
+    return SampleDrawSubDCommand_UUID;
+  }
+  const wchar_t* EnglishCommandName() override { return L"SampleDrawSubD"; }
+  CRhinoCommand::result RunCommand(const CRhinoCommandContext& context) override;
+};
+
+// The one and only CCommandSampleDrawSubD object
+static class CCommandSampleDrawSubD theSampleDrawSubDCommand;
+
+CRhinoCommand::result CCommandSampleDrawSubD::RunCommand(const CRhinoCommandContext& context)
+{
+  ON_Sphere sphere(ON_3dPoint::Origin, 4.0);
+
+  ON_SubD subd_sphere;
+  ON_SubDComponentLocation subd_location = ON_SubDComponentLocation::Surface;
+  if (nullptr == ON_SubD::CreateSubDQuadSphere(sphere, subd_location, 2, &subd_sphere))
+    return CRhinoCommand::failure;
+
+  CSampleDrawSubDConduit conduit(subd_sphere, ON_Color::SaturatedMagenta);
+  conduit.Enable(context.m_rhino_doc_sn);
+  context.m_doc.Regen();
+
+  CRhinoGetString gs;
+  gs.SetCommandPrompt(L"Press <Enter> to continue");
+  gs.AcceptNothing();
+  gs.GetString();
+
+  conduit.Disable();
+  context.m_doc.Regen();
+
+  return CRhinoCommand::success;
+}
+
+#pragma endregion
+
+//
+// END SampleDrawSubD command
+//
+////////////////////////////////////////////////////////////////
+////////////////////////////////////////////////////////////////

cpp/SampleCommands/cmdSampleDrawSubDWires.cpp

@@ -0,0 +1,120 @@
+#include "stdafx.h"
+
+////////////////////////////////////////////////////////////////
+////////////////////////////////////////////////////////////////
+//
+// BEGIN SampleDrawSubDWires command
+//
+
+class CSampleDrawSubDWiresConduit : public CRhinoDisplayConduit
+{
+public:
+  CSampleDrawSubDWiresConduit(const ON_SubD& subd, ON_Color wire_color);
+  bool ExecConduit(CRhinoDisplayPipeline& dp, UINT nActiveChannel, bool& bTerminateChannel) override;
+
+private:
+  const ON_SubD& m_subd;
+  ON_Color m_wire_color;
+};
+
+CSampleDrawSubDWiresConduit::CSampleDrawSubDWiresConduit(const ON_SubD& subd, ON_Color wire_color)
+  : CRhinoDisplayConduit(CSupportChannels::SC_CALCBOUNDINGBOX | CSupportChannels::SC_DRAWOVERLAY)
+  , m_subd(subd)
+  , m_wire_color(wire_color)
+{
+}
+
+bool CSampleDrawSubDWiresConduit::ExecConduit(CRhinoDisplayPipeline& dp, UINT nActiveChannel, bool& bTerminateChannel)
+{
+  if (nActiveChannel == CSupportChannels::SC_CALCBOUNDINGBOX)
+  {
+    ON_BoundingBox bbox;
+    if (m_subd.GetTightBoundingBox(bbox, false))
+      m_pChannelAttrs->m_BoundingBox.Union(bbox);
+  }
+  else if (nActiveChannel == CSupportChannels::SC_DRAWOVERLAY)
+  {
+    CDisplayPipelineAttributes* pDA = const_cast<CDisplayPipelineAttributes*>(dp.DisplayAttrs());
+    if (nullptr != pDA)
+    {
+      CRhinoSubDDisplay subd_display = CRhinoSubDDisplay::Create(m_subd);
+      CRhinoSubDDisplayAttributes subd_display_attrs;
+      subd_display_attrs.m_bDrawControlNet = false;
+      subd_display_attrs.m_bDrawSurfaceNet = false;
+      subd_display_attrs.m_bDrawEdges = true;
+      subd_display_attrs.m_bDrawSurface = false;
+
+      ON_Color oldColors[4];
+      float oldThicknesses[4];
+      pDA->m_ObjectColor = m_wire_color;
+      pDA->GetSubDWireAttributes(oldColors, oldThicknesses);
+
+      // Set color
+      for (int i = 0; i < 4; i++)
+        pDA->SetSubDEdgeColor((CDisplayPipelineAttributes::SubDEdgeType)i, m_wire_color);
+
+      dp.DrawSubD(subd_display, subd_display_attrs);
+
+      // Reset color
+      for (int i = 0; i < 4; i++)
+        pDA->SetSubDEdgeColor((CDisplayPipelineAttributes::SubDEdgeType)i, oldColors[i]);
+    }
+  }
+
+  return true;
+}
+
+////////////////////////////////////////////////////////////////
+////////////////////////////////////////////////////////////////
+
+#pragma region SampleDrawSubDWires command
+
+class CCommandSampleDrawSubDWires : public CRhinoCommand
+{
+public:
+  CCommandSampleDrawSubDWires() = default;
+  UUID CommandUUID() override
+  {
+    // {8A5A2555-3656-4144-B096-BE2876CF4030}
+    static const GUID SampleDrawSubDWiresCommand_UUID =
+    { 0x8A5A2555, 0x3656, 0x4144, { 0xB0, 0x96, 0xBE, 0x28, 0x76, 0xCF, 0x40, 0x30 } };
+    return SampleDrawSubDWiresCommand_UUID;
+  }
+  const wchar_t* EnglishCommandName() override { return L"SampleDrawSubDWires"; }
+  CRhinoCommand::result RunCommand(const CRhinoCommandContext& context) override;
+};
+
+// The one and only CCommandSampleDrawSubDWires object
+static class CCommandSampleDrawSubDWires theSampleDrawSubDWiresCommand;
+
+CRhinoCommand::result CCommandSampleDrawSubDWires::RunCommand(const CRhinoCommandContext& context)
+{
+  ON_Sphere sphere(ON_3dPoint::Origin, 4.0);
+
+  ON_SubD subd_sphere;
+  ON_SubDComponentLocation subd_location = ON_SubDComponentLocation::Surface;
+  if (nullptr == ON_SubD::CreateSubDQuadSphere(sphere, subd_location, 2, &subd_sphere))
+    return CRhinoCommand::failure;
+
+  CSampleDrawSubDWiresConduit conduit(subd_sphere, ON_Color::SaturatedGold);
+  conduit.Enable(context.m_rhino_doc_sn);
+  context.m_doc.Redraw();
+
+  CRhinoGetString gs;
+  gs.SetCommandPrompt(L"Press <Enter> to continue");
+  gs.AcceptNothing();
+  gs.GetString();
+
+  conduit.Disable();
+  context.m_doc.Redraw();
+
+  return CRhinoCommand::success;
+}
+
+#pragma endregion
+
+//
+// END SampleDrawSubDWires command
+//
+////////////////////////////////////////////////////////////////
+////////////////////////////////////////////////////////////////