From cf9b893841ba8e9e380332825605735423d3cab0 Mon Sep 17 00:00:00 2001
From: omar <omarcornut@gmail.com>
Date: Sat, 23 Dec 2017 13:40:01 +0100
Subject: [PATCH] Examples: Added null_example/ which is helpful for quick
 testing on multiple compilers/settings without relyong on graphics library.

---
 examples/null_example/build_win32.bat |  3 +++
 examples/null_example/main.cpp        | 33 +++++++++++++++++++++++++++
 2 files changed, 36 insertions(+)
 create mode 100644 examples/null_example/build_win32.bat
 create mode 100644 examples/null_example/main.cpp

diff --git a/examples/null_example/build_win32.bat b/examples/null_example/build_win32.bat
new file mode 100644
index 00000000..7bb78232
--- /dev/null
+++ b/examples/null_example/build_win32.bat
@@ -0,0 +1,3 @@
+@REM Build for Visual Studio compiler. Run your copy of vcvars32.bat or vcvarsall.bat to setup command-line compiler.
+mkdir Debug
+cl /nologo /Zi /MD /I ..\.. *.cpp ..\..\*.cpp /FeDebug/null_example.exe /FoDebug/ /link gdi32.lib shell32.lib
diff --git a/examples/null_example/main.cpp b/examples/null_example/main.cpp
new file mode 100644
index 00000000..b12f75c9
--- /dev/null
+++ b/examples/null_example/main.cpp
@@ -0,0 +1,33 @@
+// ImGui - null/dummy example application (compile and link imgui with no inputs, no outputs)
+#include <imgui.h>
+#include <stdio.h>
+
+int main(int, char**)
+{
+    ImGuiIO& io = ImGui::GetIO();
+
+    // Build atlas
+    unsigned char* tex_pixels = NULL;
+    int tex_w, tex_h;
+    io.Fonts->GetTexDataAsRGBA32(&tex_pixels, &tex_w, &tex_h);
+
+    for (int n = 0; n < 50; n++)
+    {
+        printf("NewFrame() %d\n", n);
+        io.DisplaySize = ImVec2(1920, 1080);
+        io.DeltaTime = 1.0f / 60.0f;
+        ImGui::NewFrame();
+
+        static float f = 0.0f;
+        ImGui::Text("Hello, world!");
+        ImGui::SliderFloat("float", &f, 0.0f, 1.0f);
+        ImGui::Text("Application average %.3f ms/frame (%.1f FPS)", 1000.0f / io.Framerate, io.Framerate);
+        ImGui::ShowTestWindow(NULL);
+
+        ImGui::Render();
+    }
+
+    printf("Shutdown()\n");
+    ImGui::Shutdown();
+    return 0;
+}