Magnum with ImGUI

README.md

Magnum ImGUI Quickstart - Windows Edition

Prerequisites

• Windows
• CMake 3.4+
• git
• Visual Studio 2017-2019

git clone https://github.com/mosra/magnum-bootstrap.git --branch base --single-branch
cd magnum-bootstrap
git clone https://github.com/mosra/corrade.git
git clone https://github.com/mosra/magnum.git
git clone https://github.com/mosra/magnum-integration.git integration
git clone https://github.com/ocornut/imgui.git
remove-item CMakeLists.txt
invoke-webrequest -outfile CMakeLists.txt https://gist.github.com/alanjfs/77282b740a6e7852046a4870ecc0b3d6/raw/c1a1b02f4dbdb4a6c48b36e4a551ec34732a10e6/CMakeLists.txt
invoke-webrequest -outfile sdl.zip https://www.libsdl.org/release/SDL2-devel-2.0.10-VC.zip
expand-archive .\sdl.zip -destinationpath .
mkdir build
cd build
cmake .. -DWITH_IMGUI=ON
cmake --build . --config Release
.\Release\bin\MyApplication.exe

Troubleshooting

'invoke-webrequest' is not recognized as an internal or external command

This is a PowerShell command, try running powershell.exe from your command-line, before running the above commands.

CMakeLists.txt

cmake_minimum_required(VERSION 3.4)
project(MyApplication)

set(CMAKE_MODULE_PATH "${PROJECT_SOURCE_DIR}/modules/" ${CMAKE_MODULE_PATH})
set(CMAKE_PREFIX_PATH "${PROJECT_SOURCE_DIR}/SDL2-2.0.10" ${CMAKE_PREFIX_PATH})
set(CMAKE_PREFIX_PATH "${PROJECT_SOURCE_DIR}/imgui" ${CMAKE_PREFIX_PATH})

set(WITH_SDL2APPLICATION ON CACHE BOOL "" FORCE)

add_subdirectory(corrade EXCLUDE_FROM_ALL)
add_subdirectory(magnum EXCLUDE_FROM_ALL)

add_subdirectory(integration)
add_subdirectory(src)

src_CMakeLists.txt

find_package(Magnum
    REQUIRED
    GL
    Sdl2Application
)

set_directory_properties(PROPERTIES CORRADE_USE_PEDANTIC_FLAGS ON)

add_executable(MyApplication MyApplication.cpp)

target_link_libraries(
    MyApplication
    PRIVATE
        Magnum::Application
        Magnum::GL
        Magnum::Magnum
)

# Make the executable a default target to build & run in Visual Studio
set_property(DIRECTORY ${PROJECT_SOURCE_DIR} PROPERTY VS_STARTUP_PROJECT MyApplication)

if(CORRADE_TARGET_WINDOWS)
    # Copy any outputs from this target to ./install dir
    install(TARGETS MyApplication DESTINATION install)
endif()