Add command line option to choice font file.

kwokcb · Oct 1, 2024 · 23dd19b · 23dd19b
1 parent 923ffd9
commit 23dd19b
Showing 1 changed file with 18 additions and 1 deletion.
diff --git a/source/MaterialXGraphEditor/Main.cpp b/source/MaterialXGraphEditor/Main.cpp
@@ -31,6 +31,7 @@ const std::string options =
     "    --library [FILEPATH]           Specify an additional data library folder (e.g. 'vendorlib', 'studiolib').  This relative path will be appended to each location in the data search path when loading data libraries.\n"
     "    --uiScale [FACTOR]             Manually specify a UI scaling factor\n"
     "    --captureFilename [FILENAME]   Specify the filename to which the first rendered frame should be written\n"
+    "    --font [FILE]                  Specify the name of the font file to use. If not specified the default font will be used\n"
     "    --help                         Display the complete list of command-line options\n";
 
 template <class T> void parseToken(std::string token, std::string type, T& res)
@@ -68,6 +69,7 @@ int main(int argc, char* const argv[])
     int viewHeight = 256;
     float uiScale = 0.0f;
     std::string captureFilename;
+    std::string fontFilename;
 
     for (size_t i = 0; i < tokens.size(); i++)
     {
@@ -106,6 +108,10 @@ int main(int argc, char* const argv[])
         {
             parseToken(nextToken, "string", captureFilename);
         }
+        else if (token == "--font")
+        {
+            parseToken(nextToken, "string", fontFilename);
+        }
         else if (token == "--help")
         {
             std::cout << " MaterialXGraphEditor version " << mx::getVersionString() << std::endl;
@@ -172,7 +178,16 @@ int main(int argc, char* const argv[])
     io.IniFilename = NULL;
     io.LogFilename = NULL;
 
-    io.Fonts->AddFontDefault();
+    ImFont* customFont = nullptr;
+    float fontSize = 13.0f; // Font size used for AddFontDefault()
+    if (!fontFilename.empty())
+    {
+        customFont = io.Fonts->AddFontFromFileTTF(fontFilename.c_str(), fontSize);
+    }
+    if (!customFont)
+    {
+        io.Fonts->AddFontDefault();
+    }
 
     // Setup Dear ImGui style
     ImGui::StyleColorsDark();
@@ -239,13 +254,15 @@ int main(int argc, char* const argv[])
             break;
         }
 
+
         double xpos = 0.0;
         double ypos = 0.0;
         glfwGetCursorPos(window, &xpos, &ypos);
         graph->drawGraph(ImVec2((float) xpos, (float) ypos));
         ImGui::Render();
         ImGui_ImplOpenGL3_RenderDrawData(ImGui::GetDrawData());
         glfwSwapBuffers(window);
+
     }
 
     // Cleanup