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

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Note that this requires GLFW 3.3.
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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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1
docs/CHANGELOG.txt
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@@ -107,6 +107,7 @@ Other Changes:
while navigating and to not close popup automatically. while navigating and to not close popup automatically.
- CI: Updates Windows CI to use a more recent VulkanSDK. (#8925, #8778) [@yaz0r] - CI: Updates Windows CI to use a more recent VulkanSDK. (#8925, #8778) [@yaz0r]
- Examples: Android: Android+OpenGL3: update Gradle project (#8888, #8878) [@scribam] - Examples: Android: Android+OpenGL3: update Gradle project (#8888, #8878) [@scribam]
- Examples: GLFW+OpenGL2: Fixed not applying content scale. (#8921)
- Backends: SDL_GPU: Added ImGui_ImplSDLGPU3_InitInfo::SwapchainComposition and - Backends: SDL_GPU: Added ImGui_ImplSDLGPU3_InitInfo::SwapchainComposition and
PresentMode to configure how secondary viewports are created. Currently only used PresentMode to configure how secondary viewports are created. Currently only used
multi-viewport mode. (#8892) [@PTSVU] multi-viewport mode. (#8892) [@PTSVU]

8
examples/example_glfw_opengl2/main.cpp
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@@ -40,7 +40,8 @@ int main(int, char**)
return 1; return 1;
// Create window with graphics context // 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) if (window == nullptr)
return 1; return 1;
glfwMakeContextCurrent(window); glfwMakeContextCurrent(window);
@@ -57,6 +58,11 @@ int main(int, char**)
ImGui::StyleColorsDark(); ImGui::StyleColorsDark();
//ImGui::StyleColorsLight(); //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 // Setup Platform/Renderer backends
ImGui_ImplGlfw_InitForOpenGL(window, true); ImGui_ImplGlfw_InitForOpenGL(window, true);
ImGui_ImplOpenGL2_Init(); ImGui_ImplOpenGL2_Init();