generate png

README.md

@@ -28,6 +28,7 @@ optional
 1. Add pull down menu for resolution override option, have default, 100x100, 256x256,512x512
 2. Add outputname override
 3. Add pulldown to select camera, only available after scene is queried
+4. currently using c++ 20 using bella sdk 25.3.0 so silencing the warnings, update to c++23 and latest bella sdk or match c++ to correct version of bella sdk
 
 # Build 
 ```

joomer-ftxui-bsz-browser.cpp

@@ -5,8 +5,15 @@
 #include <iostream>
 #include <filesystem> 
 
+#include "bella_sdk/bella_engine.h"  // Core rendering engine
+#include "bella_sdk/bella_scene.h"   // Scene management
+#include "dl_core/dl_logging.h"      // Logging utilities
+#include <thread>      // For std::this_thread (C++ standard library)
+#include <chrono>      // For timing operations (C++ standard library)
+
 std::string directory_path = ".";
 int selected_index = -1; // Global variable to hold the selected index
+dl::String currentRender;
 
 void CleanTrailingSlash(std::string& path) {
     // Only strip if it's longer than a root path (e.g., "/" or "C:\")
@@ -31,6 +38,83 @@ std::string FormatSize(uintmax_t size) {
     return ss.str();
 }
 
+/*
+ * MyEngineObserver Class
+ * This class receives callbacks from the Bella rendering engine to track rendering progress.
+ * It implements the EngineObserver interface and provides methods to:
+ * - Handle render start/stop events
+ * - Track rendering progress
+ * - Handle error conditions
+ * - Store and retrieve the current progress state
+ */
+struct MyEngineObserver : public dl::bella_sdk::EngineObserver
+{
+public:
+    // Called when a rendering pass starts
+    void onStarted(dl::String pass) override
+    {
+        std::cout << "Started pass " << pass.buf() << std::endl;
+        dl::logInfo("Started pass %s", pass.buf());
+    }
+
+    // Called to update the current status of rendering
+    //void onStatus(String pass, String status) override
+    //{
+    //    logInfo("%s [%s]", status.buf(), pass.buf());
+    //}
+
+    // Called to update rendering progress (percentage, time remaining, etc)
+    void onProgress(dl::String pass, dl::bella_sdk::Progress progress) override
+    {
+        std::cout << progress.toString().buf() << std::endl;
+        setString(new std::string(progress.toString().buf()));
+        dl::logInfo("%s [%s]", progress.toString().buf(), pass.buf());
+    }
+
+    //void onImage(String pass, Image image) override
+    //{
+    //    logInfo("We got an image %d x %d.", (int)image.width(), (int)image.height());
+    //}  
+
+    // Called when an error occurs during rendering
+    void onError(dl::String pass, dl::String msg) override
+    {
+        dl::logError("%s [%s]", msg.buf(), pass.buf());
+    }
+
+    // Called when a rendering pass completes
+    void onStopped(dl::String pass) override
+    {
+        dl::logInfo("Stopped %s", pass.buf());
+        std::atomic_bool active_render = false;
+    }
+
+    // Returns the current progress as a string
+    std::string getProgress() const {
+        std::string* currentProgress = progressPtr.load();
+        if (currentProgress) {
+            return *currentProgress;
+        }
+        else {
+            return "";
+        }
+    }
+
+    // Cleanup resources in destructor
+    ~MyEngineObserver() {
+        setString(nullptr);
+    }
+private:
+    // Thread-safe pointer to current progress string
+    std::atomic<std::string*> progressPtr{ nullptr };
+
+    // Helper function to safely update the progress string
+    void setString(std::string* newStatus) {
+        std::string* oldStatus = progressPtr.exchange(newStatus);
+        delete oldStatus;  // Clean up old string if it exists
+    }
+};
+
 // Note: You must pass the ScreenInteractive object to trigger a redraw.
 void ReloadDirectory(ftxui::ScreenInteractive& screen, const std::filesystem::path& new_path, std::vector<std::string>& entries, std::vector<std::string>& clean_names) {    
     if (!std::filesystem::exists(new_path) || !std::filesystem::is_directory(new_path)) return;
@@ -78,6 +162,36 @@ void ReloadDirectory(ftxui::ScreenInteractive& screen, const std::filesystem::pa
         }
     }
 }
+// Replace this line in renderImage():
+// engine.render();
+
+
+void renderSynchronous(dl::bella_sdk::Engine& engine, MyEngineObserver& engineObserver, std::string selected_name) {
+    dl::String belPath = dl::String(directory_path.c_str()) + "\\";
+    engine.loadScene(belPath + dl::String(selected_name.c_str()));
+
+    if (!engine.scene().read(dl::String(selected_name.c_str()))) return;
+
+    dl::bella_sdk::Node bPass = engine.scene().beautyPass();
+
+    // Create the mandatory output node type
+    dl::bella_sdk::Node pathNode = engine.scene().createNode("outputImagePath");
+    pathNode["dir"] = dl::String(directory_path.c_str());
+    pathNode["name"] = "render_result";
+    pathNode["ext"] = ".png";
+
+    // Link the node to the beauty pass
+    bPass["overridePath"] = pathNode;
+    bPass["timeLimit"] = 30.0f;
+
+    // This call will now "freeze" the UI until finished
+    engine.start();
+
+    // Explicitly wait until the engine is done to ensure the file is written
+    while (engine.rendering()) {
+        std::this_thread::sleep_for(std::chrono::milliseconds(100));
+    }
+}
 
 int main(int argc, char* argv[]) {
     // Define a variable to hold the final selection index
@@ -113,13 +227,10 @@ int main(int argc, char* argv[]) {
         return 1;
     }
     
-    auto screen = ftxui::ScreenInteractive::TerminalOutput();   
+    ftxui::ScreenInteractive screen = ftxui::ScreenInteractive::TerminalOutput();   
     ReloadDirectory(screen, start_path, entries, clean_names);    
     int selected = 0;
-    auto menu = ftxui::Menu({
+    auto menu = ftxui::Menu(&entries,&selected);
-    .entries = &entries,
-    .selected = &selected,
-    });
 
     std::string input_buffer = ""; // Stores digits as the user types them
 
@@ -169,16 +280,20 @@ int main(int argc, char* argv[]) {
             new_path = std::filesystem::absolute(new_path).lexically_normal();
 
             new_path.make_preferred();                        
-
-            
-
 			CleanTrailingSlash(current_path);
+           // std::string normalized = std::filesystem::path(current_path).generic_string();
 			directory_path = current_path; // Update global variable
             if (std::filesystem::is_regular_file(new_path))
             {
 				selected_index = selected; // Update global selected index
 				final_selected_index = selected; // Store the final selection index
-               // screen.Exit(); // Exit the application
+                if (selected_name.substr(selected_name.length() - 3) == "bsz") {
+                    dl::bella_sdk::Engine engine;              // The renderer itself 
+					
+                    MyEngineObserver engineObserver;
+					engine.subscribe(&engineObserver);                                   
+                    renderSynchronous(engine, engineObserver, selected_name);
+                }               
             }
             else
             {
@@ -203,7 +318,7 @@ int main(int argc, char* argv[]) {
     });
 	
     // Create a renderer that defines the layout of your application
-    auto main_renderer = ftxui::Renderer(menu_with_event_handler, [&] {
+    ftxui::Component main_renderer = ftxui::Renderer(menu_with_event_handler, [&] {
          return ftxui::vbox({
 		
             // Header showing the current directory

joomer-ftxui-bsz-browser.vcxproj

@@ -55,9 +55,9 @@
       <SDLCheck>true</SDLCheck>
       <PreprocessorDefinitions>WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <ConformanceMode>true</ConformanceMode>
-      <LanguageStandard>stdcpp20</LanguageStandard>
+      <LanguageStandard>stdcpp17</LanguageStandard>
       <RuntimeLibrary>MultiThreadedDebugDLL</RuntimeLibrary>
-      <AdditionalIncludeDirectories>$(SolutionDir)\..\FTXUI\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <AdditionalIncludeDirectories>$(SolutionDir)\..\FTXUI\include;..\bella_engine_sdk\src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
     </ClCompile>
     <Link>
       <SubSystem>Console</SubSystem>
@@ -73,16 +73,27 @@
       <SDLCheck>true</SDLCheck>
       <PreprocessorDefinitions>WIN32;NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <ConformanceMode>true</ConformanceMode>
-      <LanguageStandard>stdcpp20</LanguageStandard>
+      <TreatWarningAsError>false</TreatWarningAsError>
+      <LanguageStandard>stdcpp17</LanguageStandard>
       <RuntimeLibrary>MultiThreadedDLL</RuntimeLibrary>
-      <AdditionalIncludeDirectories>$(SolutionDir)\..\FTXUI\include;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <AdditionalIncludeDirectories>$(SolutionDir)\..\FTXUI\include;..\bella_engine_sdk\src;%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
     </ClCompile>
     <Link>
       <SubSystem>Console</SubSystem>
       <GenerateDebugInformation>false</GenerateDebugInformation>
-      <AdditionalLibraryDirectories>$(SolutionDir)\..\FTXUI\build\Release;%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
+      <AdditionalLibraryDirectories>$(SolutionDir)..\FTXUI\build\Release;$(SolutionDir)..\bella_engine_sdk\lib;%(AdditionalLibraryDirectories)</AdditionalLibraryDirectories>
-      <AdditionalDependencies>ftxui-component.lib;ftxui-dom.lib;ftxui-screen.lib;msvcprt.lib;kernel32.lib;user32.lib;gdi32.lib;winspool.lib;comdlg32.lib;advapi32.lib;shell32.lib;ole32.lib;oleaut32.lib;uuid.lib;odbc32.lib;odbccp32.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalDependencies>bella_engine_sdk.lib;ftxui-component.lib;ftxui-dom.lib;ftxui-screen.lib;msvcprt.lib;kernel32.lib;user32.lib;gdi32.lib;winspool.lib;comdlg32.lib;advapi32.lib;shell32.lib;ole32.lib;oleaut32.lib;uuid.lib;odbc32.lib;odbccp32.lib;%(AdditionalDependencies)</AdditionalDependencies>
     </Link>
+    <PostBuildEvent>
+      <Command>
+        echo Copying Bella SDK DLLs...
+	copy "$(ProjectDir)..\bella_engine_sdk\lib\bella_engine_sdk.dll" "$(TargetDir)"
+	copy "$(ProjectDir)..\bella_engine_sdk\lib\dl_core.dll" "$(TargetDir)"
+	copy "$(ProjectDir)..\bella_engine_sdk\lib\dl_oidn_core.dll" "$(TargetDir)"
+	copy "$(ProjectDir)..\bella_engine_sdk\lib\dl_usd_ms.dll" "$(TargetDir)"
+	echo DLL copy finished.
+      </Command>
+   </PostBuildEvent>
   </ItemDefinitionGroup>
   <ItemGroup>
     <ClCompile Include="joomer-ftxui-bsz-browser.cpp" />