Tools and examples base update

examples/align-advanced/CMakeLists.txt

@@ -7,7 +7,8 @@ project( rs-align-advanced )
 if( BUILD_GRAPHICAL_EXAMPLES )
 
 add_executable( ${PROJECT_NAME} rs-align-advanced.cpp
-    ../../third-party/imgui/imgui.cpp ../../third-party/imgui/imgui_draw.cpp ../../third-party/imgui/imgui_impl_glfw.cpp
+    ../../third-party/imgui/imgui.cpp ../../third-party/imgui/imgui_draw.cpp ../../third-party/imgui/imgui_impl_glfw.cpp 
+    ../../third-party/imgui/realsense_imgui.cpp ../../third-party/imgui/imgui_impl_opengl3.cpp ../../third-party/imgui/imgui_widgets.cpp ../../third-party/imgui/imgui_tables.cpp
     )
 set_property( TARGET ${PROJECT_NAME} PROPERTY CXX_STANDARD 11 )
 target_link_libraries( ${PROJECT_NAME} ${DEPENDENCIES} )

examples/align-advanced/rs-align-advanced.cpp

@@ -10,6 +10,9 @@
 #include <fstream>
 #include <algorithm>
 #include <cstring>
+#include "imgui_impl_glfw.h"
+#include <imgui_impl_opengl3.h>
+#include<realsense_imgui.h>
 
 void render_slider(rect location, float& clipping_dist);
 void remove_background(rs2::video_frame& other, const rs2::depth_frame& depth_frame, float depth_scale, float clipping_dist);
@@ -24,7 +27,11 @@ int main(int argc, char * argv[]) try
 
     // Create and initialize GUI related objects
     window app(1280, 720, "RealSense Align (Advanced) Example"); // Simple window handling
-    ImGui_ImplGlfw_Init(app, false);      // ImGui library intializition
+    // Setup Dear ImGui context
+    ImGui::CreateContext();
+    // Setup Platform/Renderer backends
+    ImGui_ImplGlfw_InitForOpenGL(app, true);
+    ImGui_ImplOpenGL3_Init();
     rs2::colorizer c;                     // Helper to colorize depth images
     texture renderer;                     // Helper for renderig images
 
@@ -109,11 +116,18 @@ int main(int argc, char * argv[]) try
         renderer.show(pip_stream);
 
         // Using ImGui library to provide a slide controller to select the depth clipping distance
-        ImGui_ImplGlfw_NewFrame(1);
+        ImGui_ImplOpenGL3_NewFrame();
+        ImGui_ImplGlfw_NewFrame();
+        ImGui::NewFrame();
         render_slider({ 5.f, 0, w, h }, depth_clipping_distance);
         ImGui::Render();
+        ImGui_ImplOpenGL3_RenderDrawData(ImGui::GetDrawData());
 
     }
+    // Cleanup
+    ImGui_ImplOpenGL3_Shutdown();
+    ImGui_ImplGlfw_Shutdown();
+    ImGui::DestroyContext();
     return EXIT_SUCCESS;
 }
 catch (const rs2::error & e)
@@ -158,11 +172,11 @@ void render_slider(rect location, float& clipping_dist)
 
     //Render the vertical slider
     ImGui::Begin("slider", nullptr, flags);
-    ImGui::PushStyleColor(ImGuiCol_FrameBg, ImColor(215.f / 255, 215.0f / 255, 215.0f / 255));
-    ImGui::PushStyleColor(ImGuiCol_SliderGrab, ImColor(215.f / 255, 215.0f / 255, 215.0f / 255));
-    ImGui::PushStyleColor(ImGuiCol_SliderGrabActive, ImColor(215.f / 255, 215.0f / 255, 215.0f / 255));
+    ImGui::PushStyleColor(ImGuiCol_FrameBg, ImVec4(0.2f, 0.3f, 0.7f, 1.0f));
+    ImGui::PushStyleColor(ImGuiCol_SliderGrab, { 215.f / 255, 215.0f / 255, 215.0f / 255,1 });
+    ImGui::PushStyleColor(ImGuiCol_SliderGrabActive, { 215.f / 255, 215.0f / 255, 215.0f / 255,1 });
     auto slider_size = ImVec2(slider_window_width / 2, location.h - (pixels_to_buttom_of_stream_text * 2) - 20);
-    ImGui::VSliderFloat("", slider_size, &clipping_dist, 0.0f, 6.0f, "", 1.0f, true);
+    ImGui::VSliderFloat("##vslider", slider_size, &clipping_dist, 0.0f, 6.0f," % .2f");
     if (ImGui::IsItemHovered())
         ImGui::SetTooltip("Depth Clipping Distance: %.3f", clipping_dist);
     ImGui::PopStyleColor(3);

examples/align-gl/CMakeLists.txt

@@ -10,7 +10,8 @@ set(CMAKE_EXPORT_COMPILE_COMMANDS 1)
 if(BUILD_GRAPHICAL_EXAMPLES AND NOT APPLE)
 
 add_executable( ${PROJECT_NAME} rs-align-gl.cpp
-    ../../third-party/imgui/imgui.cpp ../../third-party/imgui/imgui_draw.cpp ../../third-party/imgui/imgui_impl_glfw.cpp
+    ../../third-party/imgui/imgui.cpp ../../third-party/imgui/imgui_draw.cpp ../../third-party/imgui/imgui_impl_glfw.cpp 
+    ../../third-party/imgui/realsense_imgui.cpp ../../third-party/imgui/imgui_impl_opengl3.cpp ../../third-party/imgui/imgui_widgets.cpp ../../third-party/imgui/imgui_tables.cpp
     )
 set_property( TARGET ${PROJECT_NAME} PROPERTY CXX_STANDARD 11 )
 target_link_libraries( ${PROJECT_NAME} ${DEPENDENCIES} realsense2-gl )

examples/align-gl/rs-align-gl.cpp

@@ -4,8 +4,9 @@
 #include <librealsense2/rs.hpp>
 #include "example-imgui.hpp"
 #include <librealsense2-gl/rs_processing_gl.hpp> // Include GPU-Processing API
-#include <common/cli.h>
-
+#include "imgui_impl_glfw.h"
+#include <imgui_impl_opengl3.h>
+#include<realsense_imgui.h>
 
 /*
  This example introduces the concept of spatial stream alignment.
@@ -50,7 +51,11 @@ int main(int argc, char * argv[]) try
 
     // Create and initialize GUI related objects
     window app(1280, 720, "RealSense Align Example"); // Simple window handling
-    ImGui_ImplGlfw_Init(app, false);      // ImGui library intializition
+    // Setup Dear ImGui context
+    ImGui::CreateContext();
+    // Setup Platform/Renderer backends
+    ImGui_ImplGlfw_InitForOpenGL(app, true);
+    ImGui_ImplOpenGL3_Init();
 
     // Once we have a window, initialize GL module
     // Pass our window to enable sharing of textures between processed frames and the window
@@ -124,11 +129,17 @@ int main(int argc, char * argv[]) try
         glDisable(GL_BLEND);
 
         // Render the UI:
-        ImGui_ImplGlfw_NewFrame(1);
+        ImGui_ImplOpenGL3_NewFrame();
+        ImGui_ImplGlfw_NewFrame();
+        ImGui::NewFrame();
         render_slider({ 15.f, app.height() - 60, app.width() - 30, app.height() }, &alpha, &dir);
         ImGui::Render();
+        ImGui_ImplOpenGL3_RenderDrawData(ImGui::GetDrawData());
     }
-
+    // Cleanup
+    ImGui_ImplOpenGL3_Shutdown();
+    ImGui_ImplGlfw_Shutdown();
+    ImGui::DestroyContext();
     return EXIT_SUCCESS;
 }
 catch (const rs2::error & e)

examples/align/CMakeLists.txt

@@ -6,7 +6,8 @@ project( rs-align )
 
 if(BUILD_GRAPHICAL_EXAMPLES)
 
-add_executable( ${PROJECT_NAME} rs-align.cpp ../../third-party/imgui/imgui.cpp ../../third-party/imgui/imgui_draw.cpp ../../third-party/imgui/imgui_impl_glfw.cpp)
+add_executable( ${PROJECT_NAME} rs-align.cpp ../../third-party/imgui/imgui.cpp ../../third-party/imgui/imgui_draw.cpp ../../third-party/imgui/imgui_impl_glfw.cpp
+../../third-party/imgui/realsense_imgui.cpp ../../third-party/imgui/imgui_impl_opengl3.cpp ../../third-party/imgui/imgui_widgets.cpp ../../third-party/imgui/imgui_tables.cpp)
 set_property( TARGET ${PROJECT_NAME} PROPERTY CXX_STANDARD 11 )
 target_link_libraries( ${PROJECT_NAME} ${DEPENDENCIES} )
 include_directories( ../../third-party/imgui ../../examples )

examples/align/rs-align.cpp

@@ -5,6 +5,10 @@
 #include "example-imgui.hpp"
 #include <common/cli.h>
 
+#include "imgui_impl_glfw.h"
+#include <imgui_impl_opengl3.h>
+#include<realsense_imgui.h>
+
 /*
  This example introduces the concept of spatial stream alignment.
  For example usecase of alignment, please check out align-advanced and measure demos.
@@ -44,7 +48,11 @@ int main(int argc, char * argv[]) try
 
     // Create and initialize GUI related objects
     window app(1280, 720, "RealSense Align Example"); // Simple window handling
-    ImGui_ImplGlfw_Init(app, false);      // ImGui library intializition
+    // Setup Dear ImGui context
+    ImGui::CreateContext();
+    // Setup Platform/Renderer backends
+    ImGui_ImplGlfw_InitForOpenGL(app, true);
+    ImGui_ImplOpenGL3_Init();
     rs2::colorizer c;                     // Helper to colorize depth images
     texture depth_image, color_image;     // Helpers for renderig images
 
@@ -111,11 +119,17 @@ int main(int argc, char * argv[]) try
         glDisable(GL_BLEND);
 
         // Render the UI:
-        ImGui_ImplGlfw_NewFrame(1);
+        ImGui_ImplOpenGL3_NewFrame();
+        ImGui_ImplGlfw_NewFrame();
+        ImGui::NewFrame();
         render_slider({ 15.f, app.height() - 60, app.width() - 30, app.height() }, &alpha, &dir);
         ImGui::Render();
+        ImGui_ImplOpenGL3_RenderDrawData(ImGui::GetDrawData());
     }
-
+    // Cleanup
+    ImGui_ImplOpenGL3_Shutdown();
+    ImGui_ImplGlfw_Shutdown();
+    ImGui::DestroyContext();
     return EXIT_SUCCESS;
 }
 catch (const rs2::error & e)

examples/example-imgui.hpp

@@ -50,7 +50,7 @@ class hdr_slider : public slider {
         ImGui::Begin(name_id.c_str(), nullptr, _sliders_flags);
         ImGui::Text("%s",_name);
         bool is_changed =
-            ImGui::SliderFloat("", &_value, _min_value, _max_value, "%.3f", 5.0f, false); //5.0f for logarithmic scale 
+            ImGui::SliderFloat("Slider Label", &_value, _min_value, _max_value, "%.3f", ImGuiSliderFlags_Logarithmic); //5.0f for logarithmic scale 
         if (is_changed) {
             _sensor.set_option(RS2_OPTION_SEQUENCE_ID, float(_seq_id));
             _sensor.set_option(_option, _value);
@@ -146,7 +146,7 @@ class hdr_widgets {
     void render_widgets() {
 
         //start a new frame of ImGui
-        ImGui_ImplGlfw_NewFrame(1);
+        ImGui_ImplGlfw_NewFrame();
 
         _exposure_slider_seq_2.show();
         _exposure_slider_seq_1.show();

examples/hdr/CMakeLists.txt

@@ -5,7 +5,7 @@ cmake_minimum_required(VERSION 3.8)
 project(RealsenseExamplesHdr)
 
 if(BUILD_GRAPHICAL_EXAMPLES)
-    add_executable(rs-hdr rs-hdr.cpp ../example.hpp ../../third-party/imgui/imgui.cpp ../../third-party/imgui/imgui_draw.cpp ../../third-party/imgui/imgui_impl_glfw.cpp)
+    add_executable(rs-hdr rs-hdr.cpp ../example.hpp ../../third-party/imgui/imgui.cpp ../../third-party/imgui/imgui_draw.cpp ../../third-party/imgui/imgui_impl_glfw.cpp ../../third-party/imgui/realsense_imgui.cpp ../../third-party/imgui/imgui_impl_opengl3.cpp ../../third-party/imgui/imgui_widgets.cpp ../../third-party/imgui/imgui_tables.cpp)
     set_property(TARGET rs-hdr PROPERTY CXX_STANDARD 11)
     target_link_libraries( rs-hdr ${DEPENDENCIES} tclap )
     include_directories(../ ../../third-party/imgui ../../third-party/glfw/include)

examples/hdr/rs-hdr.cpp

@@ -5,6 +5,9 @@
 #include "example-imgui.hpp"    // Include short list of convenience functions for rendering
 #include <iostream>
 
+#include "imgui_impl_glfw.h"
+#include <imgui_impl_opengl3.h>
+#include<realsense_imgui.h>
 
 // HDR Example demonstrates how to use the HDR feature - only for D400 product line devices
 int main() try
@@ -103,15 +106,19 @@ int main() try
     // init view window
     window app(width, height, title.c_str(), tiles_in_row, tiles_in_col);
 
-    // init ImGui with app (window object)
-    ImGui_ImplGlfw_Init(app, false);
+    // Setup Dear ImGui context
+    ImGui::CreateContext();
+    // Setup Platform/Renderer backends
+    ImGui_ImplGlfw_InitForOpenGL(app, true);
+    ImGui_ImplOpenGL3_Init();
 
     // init hdr_widgets object
     // hdr_widgets holds the sliders, the text boxes and the frames_map
     hdr_widgets hdr_widgets(depth_sensor);
 
     while (app) // application is still alive
     {
+
         data = pipe.wait_for_frames();    // Wait for next set of frames from the camera
 
         auto frame = data.get_depth_frame();
@@ -143,15 +150,21 @@ int main() try
 
         //update frames in frames map in hdr_widgets
         hdr_widgets.update_frames_map(infrared_frame, depth_frame, hdr_frame, hdr_seq_id, hdr_seq_size);
-
+        ImGui_ImplOpenGL3_NewFrame();
+        ImGui_ImplGlfw_NewFrame();
+        ImGui::NewFrame();
         //render hdr widgets sliders and text boxes
         hdr_widgets.render_widgets();
 
         //the show method, when applied on frame map, break it to frames and upload each frame into its specific tile
         app.show(hdr_widgets.get_frames_map());
-
+        ImGui::Render();
+        ImGui_ImplOpenGL3_RenderDrawData(ImGui::GetDrawData());
     }
-
+    // Cleanup
+    ImGui_ImplOpenGL3_Shutdown();
+    ImGui_ImplGlfw_Shutdown();
+    ImGui::DestroyContext();
     return EXIT_SUCCESS;
 }
 catch (const rs2::error& e)

examples/post-processing/CMakeLists.txt

@@ -5,7 +5,7 @@ cmake_minimum_required(VERSION 3.8)
 project(RealsenseExamplesPost-Processing)
 
 if(BUILD_GRAPHICAL_EXAMPLES)
-    add_executable(rs-post-processing rs-post-processing.cpp ../example.hpp ../../third-party/imgui/imgui.cpp ../../third-party/imgui/imgui_draw.cpp ../../third-party/imgui/imgui_impl_glfw.cpp)
+    add_executable(rs-post-processing rs-post-processing.cpp ../example.hpp ../../third-party/imgui/imgui.cpp ../../third-party/imgui/imgui_draw.cpp ../../third-party/imgui/imgui_impl_glfw.cpp ../../third-party/imgui/realsense_imgui.cpp ../../third-party/imgui/imgui_impl_opengl3.cpp ../../third-party/imgui/imgui_widgets.cpp ../../third-party/imgui/imgui_tables.cpp)
     set_property(TARGET rs-post-processing PROPERTY CXX_STANDARD 11)
     target_link_libraries( rs-post-processing ${DEPENDENCIES} tclap )
     include_directories(../ ../../third-party/imgui)

examples/post-processing/rs-post-processing.cpp

@@ -11,6 +11,9 @@
 
 #include <imgui.h>
 #include "imgui_impl_glfw.h"
+#include <imgui_impl_opengl3.h>
+#include <realsense_imgui.h>
+
 
 /**
 Helper class for controlling the filter's GUI element
@@ -51,7 +54,11 @@ int main(int argc, char * argv[]) try
 {
     // Create a simple OpenGL window for rendering:
     window app(1280, 720, "RealSense Post Processing Example");
-    ImGui_ImplGlfw_Init(app, false);
+    // Setup Dear ImGui context
+    ImGui::CreateContext();
+    // Setup Platform/Renderer backends
+    ImGui_ImplGlfw_InitForOpenGL(app, true);
+    ImGui_ImplOpenGL3_Init();
 
     // Construct objects to manage view state
     glfw_state original_view_orientation{};
@@ -215,7 +222,10 @@ int main(int argc, char * argv[]) try
     // (Not the safest way to join a thread, please wrap your threads in some RAII manner)
     stopped = true;
     processing_thread.join();
-
+    // Cleanup
+    ImGui_ImplOpenGL3_Shutdown();
+    ImGui_ImplGlfw_Shutdown();
+    ImGui::DestroyContext();
     return EXIT_SUCCESS;
 }
 catch (const rs2::error & e)
@@ -251,7 +261,9 @@ void render_ui(float w, float h, std::vector<filter_options>& filters)
         | ImGuiWindowFlags_NoResize
         | ImGuiWindowFlags_NoMove;
 
-    ImGui_ImplGlfw_NewFrame(1);
+    ImGui_ImplOpenGL3_NewFrame();
+    ImGui_ImplGlfw_NewFrame();
+    ImGui::NewFrame();
     ImGui::SetNextWindowSize({ w, h });
     ImGui::Begin("app", nullptr, flags);
 
@@ -288,6 +300,7 @@ void render_ui(float w, float h, std::vector<filter_options>& filters)
 
     ImGui::End();
     ImGui::Render();
+    ImGui_ImplOpenGL3_RenderDrawData(ImGui::GetDrawData());
 }
 
 bool filter_slider_ui::render(const float3& location, bool enabled)

examples/record-playback/CMakeLists.txt

@@ -5,7 +5,7 @@ cmake_minimum_required(VERSION 3.8)
 project(RealsenseExamplesRecord-Playback)
 
 if(BUILD_GRAPHICAL_EXAMPLES)
-    add_executable(rs-record-playback rs-record-playback.cpp ../example.hpp ../../third-party/imgui/imgui.cpp ../../third-party/imgui/imgui_draw.cpp ../../third-party/imgui/imgui_impl_glfw.cpp)
+    add_executable(rs-record-playback rs-record-playback.cpp ../example.hpp ../../third-party/imgui/imgui.cpp ../../third-party/imgui/imgui_draw.cpp ../../third-party/imgui/imgui_impl_glfw.cpp ../../third-party/imgui/realsense_imgui.cpp ../../third-party/imgui/imgui_impl_opengl3.cpp ../../third-party/imgui/imgui_widgets.cpp ../../third-party/imgui/imgui_tables.cpp)
     set_property(TARGET rs-record-playback PROPERTY CXX_STANDARD 11)
     target_link_libraries( rs-record-playback ${DEPENDENCIES} tclap )
     include_directories(../ ../../third-party/imgui)

examples/record-playback/rs-record-playback.cpp

@@ -7,6 +7,9 @@
 
 #include <imgui.h>
 #include "imgui_impl_glfw.h"
+#include "imgui_impl_glfw.h"
+#include <imgui_impl_opengl3.h>
+#include<realsense_imgui.h>
 
 // Includes for time display
 #include <sstream>
@@ -23,7 +26,11 @@ int main(int argc, char * argv[]) try
 {
     // Create a simple OpenGL window for rendering:
     window app(1280, 720, "RealSense Record and Playback Example");
-    ImGui_ImplGlfw_Init(app, false);
+    // Setup Dear ImGui context
+    ImGui::CreateContext();
+    // Setup Platform/Renderer backends
+    ImGui_ImplGlfw_InitForOpenGL(app, true);
+    ImGui_ImplOpenGL3_Init();
 
     // Create booleans to control GUI (recorded - allow play button, recording - show 'recording to file' text)
     bool recorded = false;
@@ -61,7 +68,9 @@ int main(int argc, char * argv[]) try
             | ImGuiWindowFlags_NoResize
             | ImGuiWindowFlags_NoMove;
 
-        ImGui_ImplGlfw_NewFrame(1);
+        ImGui_ImplOpenGL3_NewFrame();
+        ImGui_ImplGlfw_NewFrame();
+        ImGui::NewFrame();
         ImGui::SetNextWindowSize({ app.width(), app.height() });
         ImGui::Begin("app", nullptr, flags);
 
@@ -192,10 +201,15 @@ int main(int argc, char * argv[]) try
 
         ImGui::End();
         ImGui::Render();
+        ImGui_ImplOpenGL3_RenderDrawData(ImGui::GetDrawData());
 
         // Render depth frames from the default configuration, the recorder or the playback
         depth_image.render(depth, { app.width() * 0.25f, app.height() * 0.25f, app.width() * 0.5f, app.height() * 0.75f  });
     }
+    // Cleanup
+    ImGui_ImplOpenGL3_Shutdown();
+    ImGui_ImplGlfw_Shutdown();
+    ImGui::DestroyContext();
     return EXIT_SUCCESS;
 }
 catch (const rs2::error & e)