Implement active box using new draw item on draw layers

scwx-qt/gl/color.frag

@@ -0,0 +1,9 @@
+#version 330 core
+in vec4 color;
+
+layout (location = 0) out vec4 fragColor;
+
+void main()
+{
+   fragColor = color;
+}

scwx-qt/gl/color.vert

@@ -0,0 +1,13 @@
+#version 330 core
+layout (location = 0) in vec3 aVertex;
+layout (location = 1) in vec4 aColor;
+
+uniform mat4 uMVPMatrix;
+
+out vec4 color;
+
+void main()
+{
+   gl_Position = uMVPMatrix * vec4(aVertex, 1.0f);
+   color       = aColor;
+}

scwx-qt/scwx-qt.cmake

@@ -58,6 +58,10 @@ set(HDR_GL source/scwx/qt/gl/gl.hpp
            source/scwx/qt/gl/text_shader.hpp)
 set(SRC_GL source/scwx/qt/gl/shader_program.cpp
            source/scwx/qt/gl/text_shader.cpp)
+set(HDR_GL_DRAW source/scwx/qt/gl/draw/draw_item.hpp
+                source/scwx/qt/gl/draw/rectangle.hpp)
+set(SRC_GL_DRAW source/scwx/qt/gl/draw/draw_item.cpp
+                source/scwx/qt/gl/draw/rectangle.cpp)
 set(HDR_MANAGER source/scwx/qt/manager/radar_product_manager.hpp
                 source/scwx/qt/manager/resource_manager.hpp
                 source/scwx/qt/manager/settings_manager.hpp)
@@ -65,6 +69,7 @@ set(SRC_MANAGER source/scwx/qt/manager/radar_product_manager.cpp
                 source/scwx/qt/manager/resource_manager.cpp
                 source/scwx/qt/manager/settings_manager.cpp)
 set(HDR_MAP source/scwx/qt/map/color_table_layer.hpp
+            source/scwx/qt/map/draw_layer.hpp
             source/scwx/qt/map/generic_layer.hpp
             source/scwx/qt/map/layer_wrapper.hpp
             source/scwx/qt/map/map_context.hpp
@@ -74,6 +79,7 @@ set(HDR_MAP source/scwx/qt/map/color_table_layer.hpp
             source/scwx/qt/map/radar_product_layer.hpp
             source/scwx/qt/map/radar_range_layer.hpp)
 set(SRC_MAP source/scwx/qt/map/color_table_layer.cpp
+            source/scwx/qt/map/draw_layer.cpp
             source/scwx/qt/map/generic_layer.cpp
             source/scwx/qt/map/layer_wrapper.cpp
             source/scwx/qt/map/map_widget.cpp
@@ -101,7 +107,9 @@ set(SRC_VIEW source/scwx/qt/view/level2_product_view.cpp
 
 set(RESOURCE_FILES scwx-qt.qrc)
 
-set(SHADER_FILES gl/overlay.frag
+set(SHADER_FILES gl/color.frag
+                 gl/color.vert
+                 gl/overlay.frag
                  gl/overlay.vert
                  gl/radar.frag
                  gl/radar.vert
@@ -116,6 +124,8 @@ set(PROJECT_SOURCES ${HDR_MAIN}
                     ${SRC_MAIN}
                     ${HDR_GL}
                     ${SRC_GL}
+                    ${HDR_GL_DRAW}
+                    ${SRC_GL_DRAW}
                     ${HDR_MANAGER}
                     ${SRC_MANAGER}
                     ${UI_MAIN}
@@ -138,6 +148,8 @@ source_group("Header Files\\main"     FILES ${HDR_MAIN})
 source_group("Source Files\\main"     FILES ${SRC_MAIN})
 source_group("Header Files\\gl"       FILES ${HDR_GL})
 source_group("Source Files\\gl"       FILES ${SRC_GL})
+source_group("Header Files\\gl\\draw" FILES ${HDR_GL_DRAW})
+source_group("Source Files\\gl\\draw" FILES ${SRC_GL_DRAW})
 source_group("Header Files\\manager"  FILES ${HDR_MANAGER})
 source_group("Source Files\\manager"  FILES ${SRC_MANAGER})
 source_group("UI Files\\main"         FILES ${UI_MAIN})

scwx-qt/scwx-qt.qrc

@@ -1,5 +1,7 @@
 <RCC>
     <qresource prefix="/">
+        <file>gl/color.frag</file>
+        <file>gl/color.vert</file>
         <file>gl/overlay.frag</file>
         <file>gl/overlay.vert</file>
         <file>gl/radar.frag</file>

scwx-qt/source/scwx/qt/gl/draw/draw_item.cpp

@@ -0,0 +1,33 @@
+#include <scwx/qt/gl/draw/draw_item.hpp>
+
+#include <boost/log/trivial.hpp>
+
+namespace scwx
+{
+namespace qt
+{
+namespace gl
+{
+namespace draw
+{
+
+static const std::string logPrefix_ = "[scwx::qt::gl::draw::draw_item] ";
+
+class DrawItemImpl
+{
+public:
+   explicit DrawItemImpl() {}
+
+   ~DrawItemImpl() {}
+};
+
+DrawItem::DrawItem() : p(std::make_unique<DrawItemImpl>()) {}
+DrawItem::~DrawItem() = default;
+
+DrawItem::DrawItem(DrawItem&&) noexcept = default;
+DrawItem& DrawItem::operator=(DrawItem&&) noexcept = default;
+
+} // namespace draw
+} // namespace gl
+} // namespace qt
+} // namespace scwx

scwx-qt/source/scwx/qt/gl/draw/draw_item.hpp

@@ -0,0 +1,39 @@
+#pragma once
+
+#include <memory>
+
+namespace scwx
+{
+namespace qt
+{
+namespace gl
+{
+namespace draw
+{
+
+class DrawItemImpl;
+
+class DrawItem
+{
+public:
+   explicit DrawItem();
+   ~DrawItem();
+
+   DrawItem(const DrawItem&) = delete;
+   DrawItem& operator=(const DrawItem&) = delete;
+
+   DrawItem(DrawItem&&) noexcept;
+   DrawItem& operator=(DrawItem&&) noexcept;
+
+   virtual void Initialize()   = 0;
+   virtual void Render()       = 0;
+   virtual void Deinitialize() = 0;
+
+private:
+   std::unique_ptr<DrawItemImpl> p;
+};
+
+} // namespace draw
+} // namespace gl
+} // namespace qt
+} // namespace scwx

scwx-qt/source/scwx/qt/gl/draw/rectangle.cpp

@@ -0,0 +1,286 @@
+#include <scwx/qt/gl/draw/rectangle.hpp>
+
+#include <optional>
+
+#include <boost/log/trivial.hpp>
+
+namespace scwx
+{
+namespace qt
+{
+namespace gl
+{
+namespace draw
+{
+
+static const std::string logPrefix_ = "[scwx::qt::gl::draw::rectangle] ";
+
+static constexpr size_t NUM_RECTANGLES         = 5;
+static constexpr size_t NUM_TRIANGLES          = NUM_RECTANGLES * 2;
+static constexpr size_t VERTICES_PER_TRIANGLE  = 3;
+static constexpr size_t VERTICES_PER_RECTANGLE = VERTICES_PER_TRIANGLE * 2;
+static constexpr size_t POINTS_PER_VERTEX      = 7;
+static constexpr size_t BUFFER_LENGTH =
+   NUM_TRIANGLES * VERTICES_PER_TRIANGLE * POINTS_PER_VERTEX;
+
+class RectangleImpl
+{
+public:
+   explicit RectangleImpl(OpenGLFunctions& gl) :
+       gl_ {gl},
+       dirty_ {false},
+       visible_ {true},
+       x_ {0.0f},
+       y_ {0.0f},
+       z_ {0.0f},
+       width_ {0.0f},
+       height_ {0.0f},
+       borderColor_ {0, 0, 0, 0},
+       borderWidth_ {0.0f},
+       fillColor_ {std::nullopt},
+       vao_ {GL_INVALID_INDEX},
+       vbo_ {GL_INVALID_INDEX}
+   {
+   }
+
+   ~RectangleImpl() {}
+
+   OpenGLFunctions& gl_;
+
+   bool dirty_;
+
+   bool  visible_;
+   float x_;
+   float y_;
+   float z_;
+   float width_;
+   float height_;
+
+   float                     borderWidth_;
+   boost::gil::rgba8_pixel_t borderColor_;
+
+   std::optional<boost::gil::rgba8_pixel_t> fillColor_;
+
+   GLuint vao_;
+   GLuint vbo_;
+
+   void Update();
+};
+
+Rectangle::Rectangle(OpenGLFunctions& gl) :
+    DrawItem(), p(std::make_unique<RectangleImpl>(gl))
+{
+}
+Rectangle::~Rectangle() = default;
+
+Rectangle::Rectangle(Rectangle&&) noexcept = default;
+Rectangle& Rectangle::operator=(Rectangle&&) noexcept = default;
+
+void Rectangle::Initialize()
+{
+   gl::OpenGLFunctions& gl = p->gl_;
+
+   gl.glGenVertexArrays(1, &p->vao_);
+   gl.glGenBuffers(1, &p->vbo_);
+
+   gl.glBindVertexArray(p->vao_);
+   gl.glBindBuffer(GL_ARRAY_BUFFER, p->vbo_);
+   gl.glBufferData(
+      GL_ARRAY_BUFFER, sizeof(float) * BUFFER_LENGTH, nullptr, GL_DYNAMIC_DRAW);
+
+   gl.glVertexAttribPointer(0,
+                            3,
+                            GL_FLOAT,
+                            GL_FALSE,
+                            POINTS_PER_VERTEX * sizeof(float),
+                            static_cast<void*>(0));
+   gl.glEnableVertexAttribArray(0);
+
+   gl.glVertexAttribPointer(1,
+                            4,
+                            GL_FLOAT,
+                            GL_FALSE,
+                            POINTS_PER_VERTEX * sizeof(float),
+                            reinterpret_cast<void*>(3 * sizeof(float)));
+   gl.glEnableVertexAttribArray(1);
+
+   p->dirty_ = true;
+}
+
+void Rectangle::Render()
+{
+   if (p->visible_)
+   {
+      gl::OpenGLFunctions& gl = p->gl_;
+
+      gl.glBindVertexArray(p->vao_);
+      gl.glBindBuffer(GL_ARRAY_BUFFER, p->vbo_);
+
+      p->Update();
+
+      if (p->fillColor_.has_value())
+      {
+         // Draw fill
+         gl.glDrawArrays(GL_TRIANGLES, 24, 6);
+      }
+
+      if (p->borderWidth_ > 0.0f)
+      {
+         // Draw border
+         gl.glDrawArrays(GL_TRIANGLES, 0, 24);
+      }
+   }
+}
+
+void Rectangle::Deinitialize()
+{
+   gl::OpenGLFunctions& gl = p->gl_;
+
+   gl.glDeleteVertexArrays(1, &p->vao_);
+   gl.glDeleteBuffers(1, &p->vbo_);
+}
+
+void Rectangle::SetBorder(float width, boost::gil::rgba8_pixel_t color)
+{
+   if (p->borderWidth_ != width || p->borderColor_ != color)
+   {
+      p->borderWidth_ = width;
+      p->borderColor_ = color;
+      p->dirty_       = true;
+   }
+}
+
+void Rectangle::SetFill(boost::gil::rgba8_pixel_t color)
+{
+   if (p->fillColor_ != color)
+   {
+      p->fillColor_ = color;
+      p->dirty_     = true;
+   }
+}
+
+void Rectangle::SetPosition(float x, float y)
+{
+   if (p->x_ != x || p->y_ != y)
+   {
+      p->x_     = x;
+      p->y_     = y;
+      p->dirty_ = true;
+   }
+}
+
+void Rectangle::SetSize(float width, float height)
+{
+   if (p->width_ != width || p->height_ != height)
+   {
+      p->width_  = width;
+      p->height_ = height;
+      p->dirty_  = true;
+   }
+}
+
+void Rectangle::SetVisible(bool visible)
+{
+   p->visible_ = visible;
+}
+
+void RectangleImpl::Update()
+{
+   if (dirty_)
+   {
+      gl::OpenGLFunctions& gl = gl_;
+
+      const float lox = x_;
+      const float rox = x_ + width_;
+      const float boy = y_;
+      const float toy = y_ + height_;
+
+      const float lix = lox + borderWidth_;
+      const float rix = rox - borderWidth_;
+
+      const float biy = boy + borderWidth_;
+      const float tiy = toy - borderWidth_;
+
+      const float bc0 = borderColor_[0] / 255.0f;
+      const float bc1 = borderColor_[1] / 255.0f;
+      const float bc2 = borderColor_[2] / 255.0f;
+      const float bc3 = borderColor_[3] / 255.0f;
+
+      float fc0 = 0.0f;
+      float fc1 = 0.0f;
+      float fc2 = 0.0f;
+      float fc3 = 0.0f;
+
+      if (fillColor_.has_value())
+      {
+         boost::gil::rgba8_pixel_t& fc = fillColor_.value();
+
+         fc0 = fc[0] / 255.0f;
+         fc1 = fc[1] / 255.0f;
+         fc2 = fc[2] / 255.0f;
+         fc3 = fc[3] / 255.0f;
+      }
+
+      const float buffer[NUM_RECTANGLES][VERTICES_PER_RECTANGLE]
+                        [POINTS_PER_VERTEX] = //
+         {                                    //
+
+          // Left Border
+          {
+             {lox, boy, z_, bc0, bc1, bc2, bc3}, // BL
+             {lox, toy, z_, bc0, bc1, bc2, bc3}, // TL
+             {lix, boy, z_, bc0, bc1, bc2, bc3}, // BR
+             {lix, boy, z_, bc0, bc1, bc2, bc3}, // BR
+             {lix, toy, z_, bc0, bc1, bc2, bc3}, // TR
+             {lox, toy, z_, bc0, bc1, bc2, bc3}  // TL
+          },
+          // Right Border
+          {
+             {rox, boy, z_, bc0, bc1, bc2, bc3}, // BR
+             {rox, toy, z_, bc0, bc1, bc2, bc3}, // TR
+             {rix, boy, z_, bc0, bc1, bc2, bc3}, // BL
+             {rix, boy, z_, bc0, bc1, bc2, bc3}, // BL
+             {rix, toy, z_, bc0, bc1, bc2, bc3}, // TL
+             {rox, toy, z_, bc0, bc1, bc2, bc3}  // TR
+          },
+          // Top Border
+          {
+             {lox, toy, z_, bc0, bc1, bc2, bc3}, // TL
+             {rox, toy, z_, bc0, bc1, bc2, bc3}, // TR
+             {rox, tiy, z_, bc0, bc1, bc2, bc3}, // BR
+             {rox, tiy, z_, bc0, bc1, bc2, bc3}, // BR
+             {lox, tiy, z_, bc0, bc1, bc2, bc3}, // BL
+             {lox, toy, z_, bc0, bc1, bc2, bc3}  // TL
+          },
+          // Bottom Border
+          {
+             {lox, boy, z_, bc0, bc1, bc2, bc3}, // BL
+             {rox, boy, z_, bc0, bc1, bc2, bc3}, // BR
+             {rox, biy, z_, bc0, bc1, bc2, bc3}, // TR
+             {rox, biy, z_, bc0, bc1, bc2, bc3}, // TR
+             {lox, biy, z_, bc0, bc1, bc2, bc3}, // TL
+             {lox, boy, z_, bc0, bc1, bc2, bc3}  // BL
+          },
+          // Fill
+          {
+             {lox, toy, z_, fc0, fc1, fc2, fc3}, // TL
+             {rox, toy, z_, fc0, fc1, fc2, fc3}, // TR
+             {rox, boy, z_, fc0, fc1, fc2, fc3}, // BR
+             {rox, boy, z_, fc0, fc1, fc2, fc3}, // BR
+             {lox, boy, z_, fc0, fc1, fc2, fc3}, // BL
+             {lox, toy, z_, fc0, fc1, fc2, fc3}  // TL
+          }};
+
+      gl.glBufferData(GL_ARRAY_BUFFER,
+                      sizeof(float) * BUFFER_LENGTH,
+                      buffer,
+                      GL_DYNAMIC_DRAW);
+
+      dirty_ = false;
+   }
+}
+
+} // namespace draw
+} // namespace gl
+} // namespace qt
+} // namespace scwx

scwx-qt/source/scwx/qt/gl/draw/rectangle.hpp

@@ -0,0 +1,48 @@
+#pragma once
+
+#include <scwx/qt/gl/gl.hpp>
+#include <scwx/qt/gl/draw/draw_item.hpp>
+
+#include <boost/gil.hpp>
+
+namespace scwx
+{
+namespace qt
+{
+namespace gl
+{
+namespace draw
+{
+
+class RectangleImpl;
+
+class Rectangle : public DrawItem
+{
+public:
+   explicit Rectangle(OpenGLFunctions& gl);
+   ~Rectangle();
+
+   Rectangle(const Rectangle&) = delete;
+   Rectangle& operator=(const Rectangle&) = delete;
+
+   Rectangle(Rectangle&&) noexcept;
+   Rectangle& operator=(Rectangle&&) noexcept;
+
+   void Initialize() override;
+   void Render() override;
+   void Deinitialize() override;
+
+   void SetBorder(float width, boost::gil::rgba8_pixel_t color);
+   void SetFill(boost::gil::rgba8_pixel_t color);
+   void SetPosition(float x, float y);
+   void SetSize(float width, float height);
+   void SetVisible(bool visible);
+
+private:
+   std::unique_ptr<RectangleImpl> p;
+};
+
+} // namespace draw
+} // namespace gl
+} // namespace qt
+} // namespace scwx

scwx-qt/source/scwx/qt/map/draw_layer.cpp

@@ -0,0 +1,98 @@
+#include <scwx/qt/map/draw_layer.hpp>
+#include <scwx/qt/gl/shader_program.hpp>
+
+#include <boost/log/trivial.hpp>
+#include <glm/glm.hpp>
+#include <glm/gtc/matrix_transform.hpp>
+#include <glm/gtc/type_ptr.hpp>
+
+namespace scwx
+{
+namespace qt
+{
+namespace map
+{
+
+static const std::string logPrefix_ = "[scwx::qt::map::draw_layer] ";
+
+class DrawLayerImpl
+{
+public:
+   explicit DrawLayerImpl(std::shared_ptr<MapContext> context) :
+       shaderProgram_ {context->gl_}, uMVPMatrixLocation_(GL_INVALID_INDEX)
+   {
+   }
+
+   ~DrawLayerImpl() {}
+
+   gl::ShaderProgram shaderProgram_;
+   GLint             uMVPMatrixLocation_;
+
+   std::vector<std::shared_ptr<gl::draw::DrawItem>> drawList_;
+};
+
+DrawLayer::DrawLayer(std::shared_ptr<MapContext> context) :
+    GenericLayer(context), p(std::make_unique<DrawLayerImpl>(context))
+{
+}
+DrawLayer::~DrawLayer() = default;
+
+void DrawLayer::Initialize()
+{
+   gl::OpenGLFunctions& gl = context()->gl_;
+
+   p->shaderProgram_.Load(":/gl/color.vert", ":/gl/color.frag");
+
+   p->uMVPMatrixLocation_ =
+      gl.glGetUniformLocation(p->shaderProgram_.id(), "uMVPMatrix");
+   if (p->uMVPMatrixLocation_ == -1)
+   {
+      BOOST_LOG_TRIVIAL(warning) << logPrefix_ << "Could not find uMVPMatrix";
+   }
+
+   p->shaderProgram_.Use();
+
+   for (auto item : p->drawList_)
+   {
+      item->Initialize();
+   }
+}
+
+void DrawLayer::Render(const QMapbox::CustomLayerRenderParameters& params)
+{
+   gl::OpenGLFunctions& gl = context()->gl_;
+
+   p->shaderProgram_.Use();
+
+   glm::mat4 projection = glm::ortho(0.0f,
+                                     static_cast<float>(params.width),
+                                     0.0f,
+                                     static_cast<float>(params.height),
+                                     -10.0f,
+                                     10.0f);
+
+   gl.glUniformMatrix4fv(
+      p->uMVPMatrixLocation_, 1, GL_FALSE, glm::value_ptr(projection));
+
+   for (auto item : p->drawList_)
+   {
+      item->Render();
+   }
+}
+
+void DrawLayer::Deinitialize()
+{
+   for (auto item : p->drawList_)
+   {
+      item->Deinitialize();
+   }
+}
+
+void DrawLayer::AddDrawItem(std::shared_ptr<gl::draw::DrawItem> drawItem)
+{
+   p->drawList_.push_back(drawItem);
+}
+
+} // namespace map
+} // namespace qt
+} // namespace scwx

scwx-qt/source/scwx/qt/map/draw_layer.hpp

@@ -0,0 +1,34 @@
+#pragma once
+
+#include <scwx/qt/gl/draw/draw_item.hpp>
+#include <scwx/qt/map/generic_layer.hpp>
+
+namespace scwx
+{
+namespace qt
+{
+namespace map
+{
+
+class DrawLayerImpl;
+
+class DrawLayer : public GenericLayer
+{
+public:
+   explicit DrawLayer(std::shared_ptr<MapContext> context);
+   virtual ~DrawLayer();
+
+   virtual void Initialize();
+   virtual void Render(const QMapbox::CustomLayerRenderParameters&);
+   virtual void Deinitialize();
+
+protected:
+   void AddDrawItem(std::shared_ptr<gl::draw::DrawItem> drawItem);
+
+private:
+   std::unique_ptr<DrawLayerImpl> p;
+};
+
+} // namespace map
+} // namespace qt
+} // namespace scwx

scwx-qt/source/scwx/qt/map/map_widget.cpp

@@ -304,8 +304,8 @@ void MapWidget::AddLayers()
    p->map_->addCustomLayer("radar", std::move(pHost), before);
    RadarRangeLayer::Add(
       p->map_, p->context_->radarProductView_->range(), before);
-   p->map_->addCustomLayer("overlay", std::move(pOverlayHost));
    p->map_->addCustomLayer("colorTable", std::move(pColorTableHost));
+   p->map_->addCustomLayer("overlay", std::move(pOverlayHost));
 }
 
 void MapWidget::keyPressEvent(QKeyEvent* ev)

scwx-qt/source/scwx/qt/map/overlay_layer.cpp

@@ -1,9 +1,10 @@
 // Enable chrono formatters
 #ifndef __cpp_lib_format
-#define __cpp_lib_format 202110L
+#   define __cpp_lib_format 202110L
 #endif
 
 #include <scwx/qt/map/overlay_layer.hpp>
+#include <scwx/qt/gl/draw/rectangle.hpp>
 #include <scwx/qt/gl/shader_program.hpp>
 #include <scwx/qt/gl/text_shader.hpp>
 #include <scwx/qt/util/font.hpp>
@@ -42,6 +43,8 @@ public:
        vbo_ {GL_INVALID_INDEX},
        vao_ {GL_INVALID_INDEX},
        texture_ {GL_INVALID_INDEX},
+       activeBoxOuter_ {std::make_shared<gl::draw::Rectangle>(context->gl_)},
+       activeBoxInner_ {std::make_shared<gl::draw::Rectangle>(context->gl_)},
        sweepTimeString_ {},
        sweepTimeNeedsUpdate_ {true}
    {
@@ -54,24 +57,34 @@ public:
    gl::ShaderProgram           shaderProgram_;
    GLint                       uMVPMatrixLocation_;
    GLint                       uColorLocation_;
-   std::array<GLuint, 2>       vbo_;
+   GLuint                      vbo_;
    GLuint                      vao_;
    GLuint                      texture_;
 
+   std::shared_ptr<gl::draw::Rectangle> activeBoxOuter_;
+   std::shared_ptr<gl::draw::Rectangle> activeBoxInner_;
+
    std::string sweepTimeString_;
    bool        sweepTimeNeedsUpdate_;
 };
 
 OverlayLayer::OverlayLayer(std::shared_ptr<MapContext> context) :
-    GenericLayer(context), p(std::make_unique<OverlayLayerImpl>(context))
+    DrawLayer(context), p(std::make_unique<OverlayLayerImpl>(context))
 {
+   AddDrawItem(p->activeBoxOuter_);
+   AddDrawItem(p->activeBoxInner_);
+
+   p->activeBoxInner_->SetPosition(1.0f, 1.0f);
 }
+
 OverlayLayer::~OverlayLayer() = default;
 
 void OverlayLayer::Initialize()
 {
    BOOST_LOG_TRIVIAL(debug) << logPrefix_ << "Initialize()";
 
+   DrawLayer::Initialize();
+
    gl::OpenGLFunctions& gl = context()->gl_;
 
    p->textShader_.Initialize();
@@ -104,20 +117,12 @@ void OverlayLayer::Initialize()
    gl.glGenVertexArrays(1, &p->vao_);
 
    // Generate vertex buffer objects
-   gl.glGenBuffers(static_cast<GLsizei>(p->vbo_.size()), p->vbo_.data());
+   gl.glGenBuffers(1, &p->vbo_);
 
    gl.glBindVertexArray(p->vao_);
 
-   // Active box (dynamic sized)
-   gl.glBindBuffer(GL_ARRAY_BUFFER, p->vbo_[0]);
-   gl.glBufferData(
-      GL_ARRAY_BUFFER, sizeof(float) * 5 * 2, nullptr, GL_DYNAMIC_DRAW);
-
-   gl.glVertexAttribPointer(0, 2, GL_FLOAT, GL_FALSE, 0, static_cast<void*>(0));
-   gl.glEnableVertexAttribArray(0);
-
    // Upper right panel (dynamic sized)
-   gl.glBindBuffer(GL_ARRAY_BUFFER, p->vbo_[1]);
+   gl.glBindBuffer(GL_ARRAY_BUFFER, p->vbo_);
    gl.glBufferData(
       GL_ARRAY_BUFFER, sizeof(float) * 6 * 2, nullptr, GL_DYNAMIC_DRAW);
 
@@ -164,25 +169,15 @@ void OverlayLayer::Render(const QMapbox::CustomLayerRenderParameters& params)
    gl.glUniformMatrix4fv(
       p->uMVPMatrixLocation_, 1, GL_FALSE, glm::value_ptr(projection));
 
+   // Active Box
+   p->activeBoxOuter_->SetVisible(context()->settings_.isActive_);
+   p->activeBoxInner_->SetVisible(context()->settings_.isActive_);
    if (context()->settings_.isActive_)
    {
-      const float vertexLX       = 1.0f;
+      p->activeBoxOuter_->SetSize(params.width, params.height);
-      const float vertexRX       = static_cast<float>(params.width) - 1.0f;
+      p->activeBoxOuter_->SetBorder(1.0f, {0, 0, 0, 255});
-      const float vertexTY       = static_cast<float>(params.height) - 1.0f;
+      p->activeBoxInner_->SetSize(params.width - 2.0f, params.height - 2.0f);
-      const float vertexBY       = 1.0f;
+      p->activeBoxInner_->SetBorder(1.0f, {255, 255, 255, 255});
-      const float vertices[5][2] = {{vertexLX, vertexTY},  // TL
-                                    {vertexLX, vertexBY},  // BL
-                                    {vertexRX, vertexBY},  // BR
-                                    {vertexRX, vertexTY},  // TR
-                                    {vertexLX, vertexTY}}; // TL
-
-      // Draw vertices
-      gl.glBindVertexArray(p->vao_);
-      gl.glBindBuffer(GL_ARRAY_BUFFER, p->vbo_[0]);
-      gl.glVertexAttribPointer(
-         0, 2, GL_FLOAT, GL_FALSE, 0, static_cast<void*>(0));
-      gl.glBufferSubData(GL_ARRAY_BUFFER, 0, sizeof(vertices), vertices);
-      gl.glDrawArrays(GL_LINE_STRIP, 0, 5);
    }
 
    if (p->sweepTimeString_.length() > 0)
@@ -207,7 +202,7 @@ void OverlayLayer::Render(const QMapbox::CustomLayerRenderParameters& params)
 
       // Draw vertices
       gl.glBindVertexArray(p->vao_);
-      gl.glBindBuffer(GL_ARRAY_BUFFER, p->vbo_[1]);
+      gl.glBindBuffer(GL_ARRAY_BUFFER, p->vbo_);
       gl.glVertexAttribPointer(
          0, 2, GL_FLOAT, GL_FALSE, 0, static_cast<void*>(0));
       gl.glBufferSubData(GL_ARRAY_BUFFER, 0, sizeof(vertices), vertices);
@@ -225,6 +220,8 @@ void OverlayLayer::Render(const QMapbox::CustomLayerRenderParameters& params)
                                 gl::TextAlign::Right);
    }
 
+   DrawLayer::Render(params);
+
    SCWX_GL_CHECK_ERROR();
 }
 
@@ -232,16 +229,18 @@ void OverlayLayer::Deinitialize()
 {
    BOOST_LOG_TRIVIAL(debug) << logPrefix_ << "Deinitialize()";
 
+   DrawLayer::Deinitialize();
+
    gl::OpenGLFunctions& gl = context()->gl_;
 
    gl.glDeleteVertexArrays(1, &p->vao_);
-   gl.glDeleteBuffers(static_cast<GLsizei>(p->vbo_.size()), p->vbo_.data());
+   gl.glDeleteBuffers(1, &p->vbo_);
    gl.glDeleteTextures(1, &p->texture_);
 
    p->uMVPMatrixLocation_ = GL_INVALID_INDEX;
    p->uColorLocation_     = GL_INVALID_INDEX;
    p->vao_                = GL_INVALID_INDEX;
-   p->vbo_                = {GL_INVALID_INDEX};
+   p->vbo_                = GL_INVALID_INDEX;
    p->texture_            = GL_INVALID_INDEX;
 
    disconnect(context()->radarProductView_.get(),

scwx-qt/source/scwx/qt/map/overlay_layer.hpp

@@ -1,6 +1,6 @@
 #pragma once
 
-#include <scwx/qt/map/generic_layer.hpp>
+#include <scwx/qt/map/draw_layer.hpp>
 
 namespace scwx
 {
@@ -11,7 +11,7 @@ namespace map
 
 class OverlayLayerImpl;
 
-class OverlayLayer : public GenericLayer
+class OverlayLayer : public DrawLayer
 {
 public:
    explicit OverlayLayer(std::shared_ptr<MapContext> context);