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Examples: GLFW+OpenGL2: Fixed not applying content scale. (#8921)

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Note that this requires GLFW 3.3.
This commit is contained in:
ocornut 2025-09-12 20:57:04 +02:00
parent 6d25cb844b
commit 9f13684d70
2 changed files with 8 additions and 1 deletions
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8
examples/example_glfw_opengl2/main.cpp
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@ -40,7 +40,8 @@ int main(int, char**)
return 1;
// Create window with graphics context
GLFWwindow* window = glfwCreateWindow(1280, 720, "Dear ImGui GLFW+OpenGL2 example", nullptr, nullptr);
float main_scale = ImGui_ImplGlfw_GetContentScaleForMonitor(glfwGetPrimaryMonitor()); // Valid on GLFW 3.3+ only
GLFWwindow* window = glfwCreateWindow((int)(1280 * main_scale), (int)(800 * main_scale), "Dear ImGui GLFW+OpenGL2 example", nullptr, nullptr);
if (window == nullptr)
return 1;
glfwMakeContextCurrent(window);
@ -57,6 +58,11 @@ int main(int, char**)
ImGui::StyleColorsDark();
//ImGui::StyleColorsLight();
// Setup scaling
ImGuiStyle& style = ImGui::GetStyle();
style.ScaleAllSizes(main_scale); // Bake a fixed style scale. (until we have a solution for dynamic style scaling, changing this requires resetting Style + calling this again)
style.FontScaleDpi = main_scale; // Set initial font scale. (using io.ConfigDpiScaleFonts=true makes this unnecessary. We leave both here for documentation purpose)
// Setup Platform/Renderer backends
ImGui_ImplGlfw_InitForOpenGL(window, true);
ImGui_ImplOpenGL2_Init();