image4: stub version

image4/CMakeLists.txt

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+#---------------------------------------------------------------------------------------------------
+# CMake Build Configuration for The Image4 4D Image Tool
+#---------------------------------------------------------------------------------------------------
+
+cmake_minimum_required(VERSION 3.10.0...3.30.5)
+
+set (CMAKE_CXX_STANDARD          20)
+set (CMAKE_CXX_STANDARD_REQUIRED ON)
+set (CMAKE_CXX_EXTENSIONS        OFF)
+
+if (CMAKE_CXX_COMPILER_ID STREQUAL "MSVC")
+    add_compile_options("/W4")      # Enable level-4 warnings
+    add_compile_options("/wd 4996") # This function or variable may be unsafe. Consider using XXX instead.
+endif()
+
+project (image4 LANGUAGES CXX)
+
+add_executable (image4 image4.cpp)

image4/README.md

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+Image4 3D Image Utility
+====================================================================================================
+
+The `image4` tool works with 3D image cubes generated by `ray4`, the 4D ray tracer.

image4/image4.cpp

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+//**************************************************************************************************
+//  Copyright (c) 1991-2024 Steven R Hollasch
+//
+//  MIT License
+//
+//  Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+//  and associated documentation files (the "Software"), to deal in the Software without
+//  restriction, including without limitation the rights to use, copy, modify, merge, publish,
+//  distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the
+//  Software is furnished to do so, subject to the following conditions:
+//
+//  The above copyright notice and this permission notice shall be included in all copies or
+//  substantial portions of the Software.
+//
+//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+//  BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+//  NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+//  DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+//  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+//**************************************************************************************************
+
+//==================================================================================================
+// image4
+//
+// This tool manipulates 3D image cubes generated by the `ray4` 4D raytracer.
+//==================================================================================================
+
+#include <iostream>
+
+using namespace std;
+
+int main() {
+    wcout << "Image4\n";
+}