nodes: merged gizmotraverser and nodetabletraverser into nodetraverser

No real reason for these other derivatives that did virtually
the same thing.

app/node/distort/transform/transformdistortnode.cpp

@@ -68,7 +68,7 @@ NodeValueTable TransformDistortNode::Value(const QString &output, NodeValueDatab
   if (texture) {
     // Adjust our matrix by the resolutions involved
     QVector2D sequence_res = value[QStringLiteral("global")].Get(NodeValue::kVec2, QStringLiteral("resolution")).value<QVector2D>();
-    QVector2D texture_res(texture->params().width() * texture->pixel_aspect_ratio().toDouble(), texture->params().height());
+    QVector2D texture_res(texture->params().square_pixel_width(), texture->params().height());
     AutoScaleType autoscale = static_cast<AutoScaleType>(value[kAutoscaleInput].Get(NodeValue::kCombo).toInt());
 
     QMatrix4x4 real_matrix = AdjustMatrixByResolutions(generated_matrix,
@@ -141,7 +141,8 @@ bool TransformDistortNode::GizmoPress(NodeValueDatabase &db, const QPointF &p)
     }
 
     // Store texture size
-    QVector2D texture_sz = db[kTextureInput].Get(NodeValue::kTexture).value<QVector2D>();
+    VideoParams texture_params = db[kTextureInput].Get(NodeValue::kTexture).value<VideoParams>();
+    QVector2D texture_sz(texture_params.square_pixel_width(), texture_params.height());
     gizmo_scale_anchor_ = db[kAnchorInput].Get(NodeValue::kVec2).value<QVector2D>() + texture_sz/2;
 
     if (gizmo_scale_active[kGizmoScaleTopRight]
@@ -372,7 +373,8 @@ void TransformDistortNode::DrawGizmos(NodeValueDatabase &db, QPainter *p)
   QPointF sequence_half_res_pt = sequence_half_res.toPointF();
 
   // GizmoTraverser just returns the sizes of the textures and no other data
-  QVector2D tex_sz = db[kTextureInput].Get(NodeValue::kTexture).value<QVector2D>();
+  VideoParams tex_params = db[kTextureInput].Get(NodeValue::kTexture).value<VideoParams>();
+  QVector2D tex_sz(tex_params.square_pixel_width(), tex_params.height());
 
   // Retrieve autoscale value
   AutoScaleType autoscale = static_cast<AutoScaleType>(db[kAutoscaleInput].Get(NodeValue::kCombo).toInt());

app/node/traverser.cpp

@@ -132,10 +132,9 @@ NodeValueTable NodeTraverser::GenerateBlockTable(const Track *track, const TimeR
 
 QVariant NodeTraverser::ProcessVideoFootage(const FootageJob &stream, const rational &input_time)
 {
-  Q_UNUSED(stream)
   Q_UNUSED(input_time)
 
-  return QVariant();
+  return QVariant::fromValue(stream.video_params());
 }
 
 QVariant NodeTraverser::ProcessAudioFootage(const FootageJob& stream, const TimeRange &input_time)
@@ -152,7 +151,7 @@ QVariant NodeTraverser::ProcessShader(const Node *node, const TimeRange &range,
   Q_UNUSED(range)
   Q_UNUSED(job)
 
-  return QVariant();
+  return QVariant::fromValue(video_params_);
 }
 
 QVariant NodeTraverser::ProcessSamples(const Node *node, const TimeRange &range, const SampleJob &job)
@@ -169,7 +168,7 @@ QVariant NodeTraverser::ProcessFrameGeneration(const Node *node, const GenerateJ
   Q_UNUSED(node)
   Q_UNUSED(job)
 
-  return QVariant();
+  return QVariant::fromValue(video_params_);
 }
 
 void NodeTraverser::SaveCachedTexture(const QByteArray &hash, const QVariant &texture)
@@ -196,6 +195,11 @@ void NodeTraverser::AddGlobalsToDatabase(NodeValueDatabase &db, const TimeRange&
   db.Insert(QStringLiteral("global"), global);
 }
 
+QVector2D NodeTraverser::GenerateResolution() const
+{
+  return QVector2D(video_params_.square_pixel_width(), video_params_.height());
+}
+
 void NodeTraverser::PostProcessTable(const Node *node, const QString& output, const TimeRange &range, NodeValueTable &output_params)
 {
   bool got_cached_frame = false;

app/node/traverser.h

@@ -44,6 +44,16 @@ public:
 
   NodeValueDatabase GenerateDatabase(const Node *node, const QString &output, const TimeRange &range);
 
+  const VideoParams& GetCacheVideoParams() const
+  {
+    return video_params_;
+  }
+
+  void SetCacheVideoParams(const VideoParams& params)
+  {
+    video_params_ = params;
+  }
+
 protected:
   NodeValueTable ProcessInput(const Node *node, const QString &input, const TimeRange &range);
 
@@ -68,21 +78,15 @@ protected:
     return false;
   }
 
-  virtual VideoParams GetCacheVideoParams()
-  {
-    return VideoParams();
-  }
-
   void AddGlobalsToDatabase(NodeValueDatabase& db, const TimeRange &range) const;
 
-  virtual QVector2D GenerateResolution() const
-  {
-    return QVector2D(0, 0);
-  }
+  QVector2D GenerateResolution() const;
 
 private:
   void PostProcessTable(const Node *node, const QString &output, const TimeRange &range, NodeValueTable &output_params);
 
+  VideoParams video_params_;
+
 };
 
 }