Cosmetics and bugfix on UserInterface.

ImGuiVisitor.cpp

@@ -53,7 +53,7 @@ void ImGuiVisitor::visit(Group &n)
     ImGui::SameLine(0, 10);
     float translation[2] = { n.translation_.x, n.translation_.y};
     ImGui::SetNextItemWidth(IMGUI_RIGHT_ALIGN);
-    if ( ImGui::SliderFloat2("position", translation, -5.0, 5.0) )
+    if ( ImGui::SliderFloat2("Position", translation, -5.0, 5.0) )
     {
         n.translation_.x = translation[0];
         n.translation_.y = translation[1];
@@ -63,7 +63,7 @@ void ImGuiVisitor::visit(Group &n)
         n.rotation_.z = 0.f;
     ImGui::SameLine(0, 10);
     ImGui::SetNextItemWidth(IMGUI_RIGHT_ALIGN);
-    ImGui::SliderAngle("angle", &(n.rotation_.z), -180.f, 180.f) ;
+    ImGui::SliderAngle("Angle", &(n.rotation_.z), -180.f, 180.f) ;
 
     if (ImGuiToolkit::ButtonIcon(3, 15))  {
         n.scale_.x = 1.f;
@@ -72,7 +72,7 @@ void ImGuiVisitor::visit(Group &n)
     ImGui::SameLine(0, 10);
     float scale[2] = { n.scale_.x, n.scale_.y} ;
     ImGui::SetNextItemWidth(IMGUI_RIGHT_ALIGN);
-    if ( ImGui::SliderFloat2("scale", scale, -5.0, 5.0, "%.2f") )
+    if ( ImGui::SliderFloat2("Scale", scale, -5.0, 5.0, "%.2f") )
     {
         n.scale_.x = scale[0];
         n.scale_.y = scale[1];
@@ -196,20 +196,20 @@ void ImGuiVisitor::visit(ImageProcessingShader &n)
     ImGui::SetNextItemWidth(IMGUI_RIGHT_ALIGN);
     ImGui::SliderFloat("Hue shift", &n.hueshift, 0.0, 1.0);
 
-    if (ImGuiToolkit::ButtonIcon(8, 1)) n.threshold = 0.f;
-    ImGui::SameLine(0, 10);
-    ImGui::SetNextItemWidth(IMGUI_RIGHT_ALIGN);
-    ImGui::SliderFloat("Threshold", &n.threshold, 0.0, 1.0);
-
     if (ImGuiToolkit::ButtonIcon(3, 1)) n.lumakey = 0.f;
     ImGui::SameLine(0, 10);
     ImGui::SetNextItemWidth(IMGUI_RIGHT_ALIGN);
     ImGui::SliderFloat("Lumakey", &n.lumakey, 0.0, 1.0);
 
+    if (ImGuiToolkit::ButtonIcon(8, 1)) n.threshold = 0.f;
+    ImGui::SameLine(0, 10);
+    ImGui::SetNextItemWidth(IMGUI_RIGHT_ALIGN);
+    ImGui::SliderFloat("Threshold", &n.threshold, 0.0, 1.0, n.threshold < 0.001 ? "None" : "%.2f");
+
     if (ImGuiToolkit::ButtonIcon(18, 1)) n.nbColors = 0;
     ImGui::SameLine(0, 10);
     ImGui::SetNextItemWidth(IMGUI_RIGHT_ALIGN);
-    ImGui::SliderInt("Posterize", &n.nbColors, 0, 16, "%d colors");
+    ImGui::SliderInt("Posterize", &n.nbColors, 0, 16, n.nbColors == 0 ? "None" : "%d colors");
 
     if (ImGuiToolkit::ButtonIcon(1, 7)) n.filterid = 0;
     ImGui::SameLine(0, 10);
@@ -229,7 +229,7 @@ void ImGuiVisitor::visit(ImageProcessingShader &n)
     ImGui::ColorEdit3("Chroma color", glm::value_ptr(n.chromakey), ImGuiColorEditFlags_NoInputs | ImGuiColorEditFlags_NoLabel  ) ;
     ImGui::SameLine(0, 5);
     ImGui::SetNextItemWidth(IMGUI_RIGHT_ALIGN);
-    ImGui::SliderFloat("Chromakey", &n.chromadelta, 0.0, 1.0, "%.2f tolerance");
+    ImGui::SliderFloat("Chromakey", &n.chromadelta, 0.0, 1.0, n.chromadelta < 0.001 ? "None" : "Tolerance %.2f");
 
     ImGui::PopID();
 }

Source.cpp

@@ -16,11 +16,13 @@
 
 #include "Log.h"
 
-Source::Source(const std::string &name) : name_(name), initialized_(false), need_update_(true)
+Source::Source() : initialized_(false), need_update_(true)
 {
     sprintf(initials_, "__");
+    name_ = "Source";
+
+    // create groups and overlays for each view
 
-    // create groups for each view
     // default rendering node
     groups_[View::RENDERING] = new Group;
     groups_[View::RENDERING]->visible_ = false;
@@ -53,7 +55,7 @@ Source::Source(const std::string &name) : name_(name), initialized_(false), need
     groups_[View::GEOMETRY]->attach(overlays_[View::GEOMETRY]);
 
     // default mixing nodes
-    groups_[View::LAYER] = new Group;    
+    groups_[View::LAYER] = new Group;
     groups_[View::LAYER]->visible_ = false;
     frame = new Frame(Frame::ROUND_SHADOW);
     frame->translation_.z = 0.1;
@@ -83,13 +85,14 @@ Source::~Source()
         delete renderbuffer_;
 
     // all groups and their children are deleted in the scene
-    // this includes rendersurface_ , overlay_, blendingshader_ and rendershader_
+    // this includes rendersurface_, overlays, blendingshader_ and rendershader_
     delete groups_[View::RENDERING];
     delete groups_[View::MIXING];
     delete groups_[View::GEOMETRY];
     delete groups_[View::LAYER];
 
     groups_.clear();
+    overlays_.clear();
 
 }
 
@@ -127,7 +130,7 @@ void Source::update(float dt)
         groups_[View::RENDERING]->scale_ = groups_[View::GEOMETRY]->scale_;
         groups_[View::RENDERING]->rotation_ = groups_[View::GEOMETRY]->rotation_;
 
-        // MODIFY DEPTH
+        // MODIFY depth based on LAYER node
         groups_[View::MIXING]->translation_.z = groups_[View::LAYER]->translation_.z;
         groups_[View::GEOMETRY]->translation_.z = groups_[View::LAYER]->translation_.z;
         groups_[View::RENDERING]->translation_.z = groups_[View::LAYER]->translation_.z;
@@ -170,7 +173,7 @@ bool hasNode::operator()(const Source* elem) const
     return false;
 }
 
-MediaSource::MediaSource(const std::string &name) : Source(name), path_("")
+MediaSource::MediaSource() : Source(), path_("")
 {
     // create media player
     mediaplayer_ = new MediaPlayer;

Source.h

@@ -21,7 +21,7 @@ class Source
 public:
     // create a source and add it to the list
     // only subclasses of sources can actually be instanciated
-    Source(const std::string &name = "");
+    Source();
     virtual ~Source();
 
     // manipulate name of source
@@ -125,7 +125,7 @@ private:
 class MediaSource : public Source
 {
 public:
-    MediaSource(const std::string &name = "");
+    MediaSource();
     ~MediaSource();
 
     // implementation of source API

UserInterfaceManager.cpp

@@ -580,8 +580,6 @@ void ToolBox::Render()
             case 3:
             {
                 if ( Rendering::manager().CurrentScreenshot()->IsFull() ){
-                    std::time_t t = std::time(0);   // get time now
-                    std::tm* now = std::localtime(&t);
                     std::string filename =  SystemToolkit::date_time_string() + "_vmixcapture.png";
                     Rendering::manager().CurrentScreenshot()->SaveFile( filename.c_str() );
                     Rendering::manager().CurrentScreenshot()->Clear();
@@ -1052,6 +1050,8 @@ void Navigator::RenderSourcePannel(Source *s)
         // image processing pannel
         s->processingShader()->accept(v);
         s->groupNode(View::GEOMETRY)->accept(v);
+        // ensure change is applied
+        s->touch();
         // delete button
         ImGui::Text(" ");
         if ( ImGui::Button("Delete", ImVec2(ImGui::GetContentRegionAvail().x, 0)) ) {

View.cpp

@@ -395,30 +395,15 @@ void LayerView::zoom (float factor)
 }
 
 
-void LayerView::grab (glm::vec2 from, glm::vec2 to, Source *s, std::pair<Node *, glm::vec2> pick)
+void LayerView::setDepth (Source *s, float d)
 {
     if (!s)
         return;
 
     Group *sourceNode = s->group(mode_);
 
-    static glm::vec3 start_translation = glm::vec3(0.f);
-    static glm::vec2 start_position = glm::vec2(0.f);
-
-    if ( start_position != from ) {
-        start_position = from;
-        start_translation = sourceNode->translation_;
-    }
-
-    // unproject
-    glm::vec3 gl_Position_from = Rendering::manager().unProject(from, scene.root()->transform_);
-    glm::vec3 gl_Position_to   = Rendering::manager().unProject(to, scene.root()->transform_);
-
-    // compute delta translation
-    sourceNode->translation_ = start_translation + gl_Position_to - gl_Position_from;
-
     // diagonal movement only
-    sourceNode->translation_.x = CLAMP( sourceNode->translation_.x, SCENE_DEPTH + 2.f, 0.f);
+    sourceNode->translation_.x = CLAMP( -d, SCENE_DEPTH + 2.f, 0.f);
     sourceNode->translation_.y = sourceNode->translation_.x / aspect_ratio;
 
     // change depth
@@ -431,3 +416,27 @@ void LayerView::grab (glm::vec2 from, glm::vec2 to, Source *s, std::pair<Node *,
     View::need_reordering_ = true;
 }
 
+void LayerView::grab (glm::vec2 from, glm::vec2 to, Source *s, std::pair<Node *, glm::vec2> pick)
+{
+    if (!s)
+        return;
+
+    static glm::vec3 start_translation = glm::vec3(0.f);
+    static glm::vec2 start_position = glm::vec2(0.f);
+
+    if ( start_position != from ) {
+        start_position = from;
+        start_translation = s->group(mode_)->translation_;
+    }
+
+    // unproject
+    glm::vec3 gl_Position_from = Rendering::manager().unProject(from, scene.root()->transform_);
+    glm::vec3 gl_Position_to   = Rendering::manager().unProject(to, scene.root()->transform_);
+
+    // compute delta translation
+    glm::vec3 dest_translation = start_translation + gl_Position_to - gl_Position_from;
+
+    // apply change
+    setDepth( s, -dest_translation.x );
+}
+

View.h

@@ -89,6 +89,8 @@ public:
     void zoom (float factor) override;
     void grab (glm::vec2 from, glm::vec2 to, Source *s, std::pair<Node *, glm::vec2> pick) override;
 
+    void setDepth (Source *, float d);
+
 private:
     float aspect_ratio;
 };