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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,220 +1,28 @@ | ||
| # SPDX-FileCopyrightText: Copyright 2023 Jaswant Panchumarti | ||
| # SPDX-License-Identifier: BSD-3-Clause | ||
|
|
||
| cmake_minimum_required (VERSION 3.6) | ||
| project (vtkDearImGuiInjector) | ||
| include (GenerateExportHeader) | ||
|
|
||
| find_package(ParaView | ||
| QUIET | ||
| ) | ||
| if (NOT ParaView_FOUND) | ||
| find_package(VTK) | ||
| if (NOT VTK_FOUND) | ||
| message(FATAL_ERROR "Cannot find VTK installation") | ||
| return () | ||
| endif() | ||
| endif() | ||
|
|
||
| message(STATUS "VTK_VERSION: ${VTK_VERSION}") | ||
|
|
||
| # For an adobe spectrum look. | ||
| option(USE_ADOBE_SPECTRUM_STYLE "Style ImGui with Adobe spectrum look" ON) | ||
|
|
||
| if (USE_ADOBE_SPECTRUM_STYLE) | ||
| set(_IMGUI_DIR "adobe_imgui_spectrum") | ||
| list(APPEND _proj_definitions ADOBE_IMGUI_SPECTRUM) | ||
| elseif(IMGUI_DIR) # From cli -DIMGUI_DIR | ||
| set(_IMGUI_DIR IMGUI_DIR) | ||
| else() | ||
| set(_IMGUI_DIR "imgui") | ||
| endif() | ||
|
|
||
| # sources and headers | ||
| file(GLOB IMGUI_SOURCES ${_IMGUI_DIR}/*.cpp) | ||
| file(GLOB IMGUI_HEADERS ${_IMGUI_DIR}/*.h) | ||
| list(APPEND _proj_headers | ||
| ${IMGUI_HEADERS} | ||
| "${_IMGUI_DIR}/backends/imgui_impl_opengl3.h" | ||
| "include/vtkDearImGuiInjector.h" | ||
| ) | ||
| list(APPEND _proj_sources | ||
| ${IMGUI_SOURCES} | ||
| "${_IMGUI_DIR}/backends/imgui_impl_opengl3.cpp" | ||
| "src/vtkDearImGuiInjector.cxx" | ||
| ) | ||
|
|
||
| if (CMAKE_SYSTEM_NAME STREQUAL "Emscripten") | ||
| list(APPEND _proj_definitions IMGUI_IMPL_OPENGL_ES3) | ||
| endif() | ||
|
|
||
| # library target | ||
| add_library(${CMAKE_PROJECT_NAME} STATIC ${_proj_sources}) | ||
| target_compile_definitions(${CMAKE_PROJECT_NAME} PUBLIC ${_proj_definitions}) | ||
| target_include_directories(${CMAKE_PROJECT_NAME} PUBLIC | ||
| $<BUILD_INTERFACE:${PROJECT_BINARY_DIR}> | ||
| $<BUILD_INTERFACE:${CMAKE_SOURCE_DIR}/include> | ||
| $<BUILD_INTERFACE:${CMAKE_SOURCE_DIR}/${_IMGUI_DIR}> | ||
| $<BUILD_INTERFACE:${CMAKE_SOURCE_DIR}/${_IMGUI_DIR}/backends> | ||
| $<INSTALL_INTERFACE:include> | ||
| find_package(VTK | ||
| COMPONENTS | ||
| FiltersSources | ||
| InteractionStyle | ||
| InteractionWidgets | ||
| RenderingOpenGL2 | ||
| RenderingUI | ||
| ) | ||
| target_link_libraries(${CMAKE_PROJECT_NAME} PUBLIC ${VTK_LIBRARIES}) | ||
| generate_export_header(${CMAKE_PROJECT_NAME}) | ||
|
|
||
| # Install targets | ||
| install(TARGETS ${CMAKE_PROJECT_NAME} | ||
| RUNTIME DESTINATION bin | ||
| LIBRARY DESTINATION lib | ||
| ARCHIVE DESTINATION lib) | ||
| install(FILES ${CMAKE_PROJECT_NAME}.h ${PROJECT_BINARY_DIR}/${CMAKE_PROJECT_NAME}_export.h DESTINATION include) | ||
| install(FILES ${_proj_headers} DESTINATION include) | ||
|
|
||
| # ----------------------------------------------------------------------------- | ||
| # Configure application | ||
| # ----------------------------------------------------------------------------- | ||
|
|
||
| if (NOT CMAKE_SYSTEM_NAME STREQUAL "Emscripten") | ||
| message("Skipping WebAssembly example: This needs to run inside an Emscripten build environment") | ||
|
|
||
| add_executable(test_imgui_vtk "src/test_imgui_vtk.cxx") | ||
|
|
||
| target_link_libraries(test_imgui_vtk PRIVATE ${CMAKE_PROJECT_NAME}) | ||
| vtk_module_autoinit( | ||
| TARGETS test_imgui_vtk | ||
| MODULES ${VTK_LIBRARIES} | ||
| ) | ||
| if (NOT VTK_FOUND) | ||
| message("Skipping example: ${VTK_NOT_FOUND_MESSAGE}") | ||
| return () | ||
| endif () | ||
|
|
||
| message(STATUS "VTK_VERSION: ${VTK_VERSION}") | ||
|
|
||
| # ----------------------------------------------------------------------------- | ||
| # WebAssembly build options | ||
| # ----------------------------------------------------------------------------- | ||
|
|
||
| set(emscripten_options) | ||
| list(APPEND emscripten_options | ||
| "--bind" | ||
| "-g3" | ||
| "SHELL:-s EXPORT_NAME=vtkApp" | ||
| "SHELL:-s ALLOW_MEMORY_GROWTH=1" | ||
| "SHELL:-s DEMANGLE_SUPPORT=1" | ||
| "SHELL:-s EMULATE_FUNCTION_POINTER_CASTS=0" | ||
| "SHELL:-s ERROR_ON_UNDEFINED_SYMBOLS=0" | ||
| "SHELL:-s MODULARIZE=1" | ||
| "SHELL:-s USE_PTHREADS=0" | ||
| "SHELL:-s WASM=1" | ||
| ) | ||
|
|
||
| # ----------------------------------------------------------------------------- | ||
| # Build options | ||
| # ----------------------------------------------------------------------------- | ||
|
|
||
| set(OPTIMIZE "SMALLEST_WITH_CLOSURE" CACHE STRING "Emscripten optimization") | ||
| set_property(CACHE OPTIMIZE PROPERTY | ||
| STRINGS | ||
| NO_OPTIMIZATION # -O0 | ||
| LITTLE # -O1 | ||
| MORE # -O2 | ||
| BEST # -O3 | ||
| SMALL # -Os | ||
| SMALLEST # -Oz | ||
| SMALLEST_WITH_CLOSURE # -Oz --closure 1 | ||
| ) | ||
|
|
||
| if(OPTIMIZE STREQUAL "NO_OPTIMIZATION") | ||
| # imgui_vtk.js 659K | ||
| # imgui_vtk.wasm 4.9M | ||
| # time => 4 minutes 3 seconds | ||
| list(APPEND emscripten_options | ||
| "-Oz" | ||
| ) | ||
| elseif(OPTIMIZE STREQUAL "LITTLE") | ||
| # imgui_vtk.js 529K | ||
| # imgui_vtk.wasm 5.9M | ||
| list(APPEND emscripten_options | ||
| "-O1" | ||
| ) | ||
| elseif(OPTIMIZE STREQUAL "MORE") | ||
| # imgui_vtk.js 529K | ||
| # imgui_vtk.wasm 5.3M | ||
| list(APPEND emscripten_options | ||
| "-O2" | ||
| ) | ||
| elseif(OPTIMIZE STREQUAL "BEST") | ||
| # imgui_vtk.js 529K | ||
| # imgui_vtk.wasm 4.9M | ||
| # time => 4 minutes 7 seconds | ||
| list(APPEND emscripten_options | ||
| "-O3" | ||
| ) | ||
| elseif(OPTIMIZE STREQUAL "SMALL") | ||
| # imgui_vtk.js 529K | ||
| # imgui_vtk.wasm 4.9M | ||
| list(APPEND emscripten_options | ||
| "-Os" | ||
| ) | ||
| elseif(OPTIMIZE STREQUAL "SMALLEST") | ||
| # imgui_vtk.js 659K | ||
| # imgui_vtk.wasm 4.9M | ||
| list(APPEND emscripten_options | ||
| "-Oz" | ||
| ) | ||
| elseif(OPTIMIZE STREQUAL "SMALLEST_WITH_CLOSURE") | ||
| # imgui_vtk.js 659K | ||
| # imgui_vtk.wasm 4.9M | ||
| list(APPEND emscripten_options | ||
| "-Oz" | ||
| "SHELL:--closure 1" | ||
| ) | ||
| endif() | ||
|
|
||
| # ----------------------------------------------------------------------------- | ||
| # Compile example code | ||
| # ----------------------------------------------------------------------------- | ||
|
|
||
| add_executable(imgui_vtk_app "src/test_imgui_vtk.cxx") | ||
| target_link_libraries(imgui_vtk_app PRIVATE ${CMAKE_PROJECT_NAME} ${VTK_LIBRARIES}) | ||
|
|
||
| target_link_libraries(imgui_vtk_app | ||
| PRIVATE | ||
| VTK::CommonColor | ||
| VTK::CommonCore | ||
| VTK::CommonDataModel | ||
| VTK::FiltersCore | ||
| VTK::FiltersSources | ||
| VTK::InteractionStyle | ||
| VTK::InteractionWidgets | ||
| VTK::RenderingCore | ||
| VTK::RenderingFreeType | ||
| VTK::RenderingOpenGL2 | ||
| ) | ||
|
|
||
| target_compile_options(imgui_vtk_app | ||
| PUBLIC | ||
| ${emscripten_options} | ||
| ) | ||
|
|
||
| target_link_options(imgui_vtk_app | ||
| PUBLIC | ||
| ${emscripten_options} | ||
| ) | ||
|
|
||
| # ----------------------------------------------------------------------------- | ||
| # VTK modules initialization | ||
| # ----------------------------------------------------------------------------- | ||
|
|
||
| vtk_module_autoinit( | ||
| TARGETS imgui_vtk_app | ||
| MODULES ${VTK_LIBRARIES} | ||
| ) | ||
|
|
||
| # ----------------------------------------------------------------------------- | ||
| # Copy HTML to build directory | ||
| # ----------------------------------------------------------------------------- | ||
|
|
||
| add_custom_command( | ||
| TARGET imgui_vtk_app | ||
| POST_BUILD | ||
| COMMAND | ||
| ${CMAKE_COMMAND} -E copy_if_different | ||
| "${CMAKE_CURRENT_SOURCE_DIR}/index.html" | ||
| $<TARGET_FILE_DIR:imgui_vtk_app> | ||
| ) | ||
| # For an adobe spectrum look. | ||
| option(USE_ADOBE_SPECTRUM_STYLE "Style ImGui with Adobe spectrum look" ON) | ||
|
|
||
| add_subdirectory(src) | ||
| add_subdirectory(sample) |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -1,39 +1,45 @@ | ||
| <!-- SPDX-FileCopyrightText: Copyright 2023 Jaswant Panchumarti --> | ||
| <!-- SPDX-License-Identifier: BSD-3-Clause --> | ||
|
|
||
| <!doctype html> | ||
| <html> | ||
| <head> | ||
| <meta charset="utf-8"/> | ||
| </head> | ||
| <body> | ||
| <canvas id="canvas" style="position: absolute; left: 0; top: 0;" tabindex="0"></canvas> | ||
| <script type="text/javascript" src="imgui_vtk_app.js"></script> | ||
| <script type='text/javascript'> | ||
| var Module = { | ||
| canvas: (function() { | ||
| var canvas = document.getElementById('canvas'); | ||
| canvas.addEventListener( | ||
| "webglcontextlost", | ||
| function(e) { | ||
| console.error('WebGL context lost. You will need to reload the page.'); | ||
| e.preventDefault(); | ||
| }, | ||
| false | ||
| ); | ||
| return canvas; | ||
| })(), | ||
| onRuntimeInitialized: function() { | ||
| console.log('initialized'); | ||
| setTimeout(() => { | ||
| window.dispatchEvent(new Event('resize')); | ||
| }, 0); | ||
| }, | ||
| }; | ||
|
|
||
| // Use the export name to instantiate the app | ||
| var app = vtkApp(Module); | ||
| console.log('App created'); | ||
| canvas.setAttribute('tabindex', '0'); // needed to put focus on the canvas | ||
| canvas.addEventListener('click', () => canvas.focus()); | ||
| canvas.focus(); | ||
| </script> | ||
| </body> | ||
| </html> | ||
| <head> | ||
| <meta charset="utf-8" /> | ||
| </head> | ||
|
|
||
| <body> | ||
| <canvas id="canvas" style="position: absolute; left: 0; top: 0;" tabindex="0"></canvas> | ||
| <script type="text/javascript" src="imgui_vtk_app.js"></script> | ||
| <script type='text/javascript'> | ||
| var Module = { | ||
| canvas: (function () { | ||
| var canvas = document.getElementById('canvas'); | ||
| canvas.addEventListener( | ||
| "webglcontextlost", | ||
| function (e) { | ||
| console.error('WebGL context lost. You will need to reload the page.'); | ||
| e.preventDefault(); | ||
| }, | ||
| false | ||
| ); | ||
| return canvas; | ||
| })(), | ||
| onRuntimeInitialized: function () { | ||
| console.log('initialized'); | ||
| setTimeout(() => { | ||
| window.dispatchEvent(new Event('resize')); | ||
| }, 0); | ||
| }, | ||
| }; | ||
|
|
||
| // Use the export name to instantiate the app | ||
| var app = vtkApp(Module); | ||
| console.log('App created'); | ||
| canvas.setAttribute('tabindex', '0'); // needed to put focus on the canvas | ||
| canvas.addEventListener('click', () => canvas.focus()); | ||
| canvas.focus(); | ||
| </script> | ||
| </body> | ||
|
|
||
| </html> |
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