From ff86916f340f16e91ae040100e5f73ba1d983c38 Mon Sep 17 00:00:00 2001
From: sam-astro <77079540+sam-astro@users.noreply.github.com>
Date: Sat, 15 Jan 2022 22:12:27 -0500
Subject: [PATCH] Include SDL2_image

---
 Slang/CMakeLists.txt       |  12 +++--
 Slang/FindSDL2_image.cmake | 100 +++++++++++++++++++++++++++++++++++++
 2 files changed, 107 insertions(+), 5 deletions(-)
 create mode 100644 Slang/FindSDL2_image.cmake

diff --git a/Slang/CMakeLists.txt b/Slang/CMakeLists.txt
index 5099b7b..b8e1dbb 100644
--- a/Slang/CMakeLists.txt
+++ b/Slang/CMakeLists.txt
@@ -7,6 +7,7 @@ project(Slang)
 # Above line indicates to Cmake that minimum version 2.8 is required.
 # As you may have noted all lines beginning with hash symbol are treated as comments by Cmake.
 SET(programName Slang)
+set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${CMAKE_SOURCE_DIR}/cmake/")
 # In the above line we declared a variable programName and assigned it a value MyApp. We will make use of the same later.project(PrjMyApp)
 # here we define the project or solution (for visual studio) name
 # In following lines we try to find out the packages of additional libraries, if reqd. Here we are trying to locate PCL and mrpt library.
@@ -14,15 +15,17 @@ SET(programName Slang)
 # we Show that later.
 # find_package(PCL 1.2 REQUIRED)
 # FIND_PACKAGE(MRPT REQUIRED base;bayes;obs;gui)
+add_executable (Slang Main.cpp main.h anyops.h builtin.h strops.cpp strops.h eval.cpp eval.h graphics.h SLB.h)
 
 # here we specify the additional include directories for the project. These files come in additional include directories option of VC++
 # project.
 # either the variable values from package like ${PCL_INCLUDE_DIRS} or absolute paths as shown in second and third line may be used.
 #include_directories(${PCL_INCLUDE_DIRS})
 find_package(SDL2 REQUIRED)
-find_package(SDL2_IMAGE REQUIRED)
-find_package(SDL2_TTF REQUIRED)
-include_directories(${SDL2_INCLUDE_DIRS} ${SDL2IMAGE_INCLUDE_DIRS} ${SDL2TTF_INCLUDE_DIRS})
+find_package(SDL2_image REQUIRED)
+find_package(SDL2_ttf REQUIRED)
+
+include_directories(${SDL2_INCLUDE_DIRS} ${SDL2_IMAGE_INCLUDE_DIRS} ${SDL2_TTF_INCLUDE_DIRS})
 include_directories("D:/Code/SDL2_ttf-2.0.15/include")
 include_directories("D:/Code/SDL2-2.0.18/include")
 include_directories("D:/Code/SDL2_image-2.0.5/include")
@@ -56,9 +59,8 @@ include_directories(${Boost_INCLUDE_DIRS})
 # compilation in windows platform.
 # Followed by the executable name come all your source and header files.
 # All cpp fles will be clubbed into source folder and all .h files will be added to header files folder of the project.
-add_executable (Slang Main.cpp main.h anyops.h builtin.h strops.cpp strops.h eval.cpp eval.h graphics.h SLB.h)
 
-target_link_libraries(Slang m SDL2.lib SDL2main.lib SDL2_ttf.lib SDL2_image.lib ${Boost_LIBRARIES} ${SDL2_LIBRARIES} ${SDL2IMAGE_LIBRARIES} ${SDL2TTF_LIBRARIES})
+target_link_libraries(Slang m SDL2.lib SDL2main.lib SDL2_ttf.lib SDL2_image.lib ${Boost_LIBRARIES} ${SDL2_LIBRARIES} ${SDL2_IMAGE_LIBRARIES} ${SDL2_TTF_LIBRARIES})
 
 # target_link_libraries (Slang SDL2.lib SDL2main.lib SDL2_ttf.lib SDL2_image.lib ${SDL2_LIBRARIES})
 # # Add the required libraries for linking:
diff --git a/Slang/FindSDL2_image.cmake b/Slang/FindSDL2_image.cmake
new file mode 100644
index 0000000..9f0eaff
--- /dev/null
+++ b/Slang/FindSDL2_image.cmake
@@ -0,0 +1,100 @@
+# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
+# file Copyright.txt or https://cmake.org/licensing for details.
+
+#.rst:
+# FindSDL2_image
+# -------------
+#
+# Locate SDL2_image library
+#
+# This module defines:
+#
+# ::
+#
+# SDL2_IMAGE_LIBRARIES, the name of the library to link against
+# SDL2_IMAGE_INCLUDE_DIRS, where to find the headers
+# SDL2_IMAGE_FOUND, if false, do not try to link against
+# SDL2_IMAGE_VERSION_STRING - human-readable string containing the
+# version of SDL2_image
+#
+#
+#
+# For backward compatibility the following variables are also set:
+#
+# ::
+#
+# SDL2IMAGE_LIBRARY (same value as SDL2_IMAGE_LIBRARIES)
+# SDL2IMAGE_INCLUDE_DIR (same value as SDL2_IMAGE_INCLUDE_DIRS)
+# SDL2IMAGE_FOUND (same value as SDL2_IMAGE_FOUND)
+#
+#
+#
+# $SDLDIR is an environment variable that would correspond to the
+# ./configure --prefix=$SDLDIR used in building SDL.
+#
+# Created by Eric Wing. This was influenced by the FindSDL.cmake
+# module, but with modifications to recognize OS X frameworks and
+# additional Unix paths (FreeBSD, etc).
+
+if(NOT SDL2_IMAGE_INCLUDE_DIR AND SDL2IMAGE_INCLUDE_DIR)
+  set(SDL2_IMAGE_INCLUDE_DIR ${SDL2IMAGE_INCLUDE_DIR} CACHE PATH "directory cache entry initialized from old variable name")
+endif()
+find_path(SDL2_IMAGE_INCLUDE_DIR SDL_image.h
+  HINTS
+    ENV SDL2IMAGEDIR
+    ENV SDL2DIR
+    ${SDL2_DIR}
+  PATH_SUFFIXES SDL2
+                # path suffixes to search inside ENV{SDL2DIR}
+                include/SDL2 include
+)
+
+if(CMAKE_SIZEOF_VOID_P EQUAL 8)
+  set(VC_LIB_PATH_SUFFIX lib/x64)
+else()
+  set(VC_LIB_PATH_SUFFIX lib/x86)
+endif()
+
+if(NOT SDL2_IMAGE_LIBRARY AND SDL2IMAGE_LIBRARY)
+  set(SDL2_IMAGE_LIBRARY ${SDL2IMAGE_LIBRARY} CACHE FILEPATH "file cache entry initialized from old variable name")
+endif()
+find_library(SDL2_IMAGE_LIBRARY
+  NAMES SDL2_image
+  HINTS
+    ENV SDL2IMAGEDIR
+    ENV SDL2DIR
+    ${SDL2_DIR}
+  PATH_SUFFIXES lib ${VC_LIB_PATH_SUFFIX}
+)
+
+if(SDL2_IMAGE_INCLUDE_DIR AND EXISTS "${SDL2_IMAGE_INCLUDE_DIR}/SDL2_image.h")
+  file(STRINGS "${SDL2_IMAGE_INCLUDE_DIR}/SDL2_image.h" SDL2_IMAGE_VERSION_MAJOR_LINE REGEX "^#define[ \t]+SDL2_IMAGE_MAJOR_VERSION[ \t]+[0-9]+$")
+  file(STRINGS "${SDL2_IMAGE_INCLUDE_DIR}/SDL2_image.h" SDL2_IMAGE_VERSION_MINOR_LINE REGEX "^#define[ \t]+SDL2_IMAGE_MINOR_VERSION[ \t]+[0-9]+$")
+  file(STRINGS "${SDL2_IMAGE_INCLUDE_DIR}/SDL2_image.h" SDL2_IMAGE_VERSION_PATCH_LINE REGEX "^#define[ \t]+SDL2_IMAGE_PATCHLEVEL[ \t]+[0-9]+$")
+  string(REGEX REPLACE "^#define[ \t]+SDL2_IMAGE_MAJOR_VERSION[ \t]+([0-9]+)$" "\\1" SDL2_IMAGE_VERSION_MAJOR "${SDL2_IMAGE_VERSION_MAJOR_LINE}")
+  string(REGEX REPLACE "^#define[ \t]+SDL2_IMAGE_MINOR_VERSION[ \t]+([0-9]+)$" "\\1" SDL2_IMAGE_VERSION_MINOR "${SDL2_IMAGE_VERSION_MINOR_LINE}")
+  string(REGEX REPLACE "^#define[ \t]+SDL2_IMAGE_PATCHLEVEL[ \t]+([0-9]+)$" "\\1" SDL2_IMAGE_VERSION_PATCH "${SDL2_IMAGE_VERSION_PATCH_LINE}")
+  set(SDL2_IMAGE_VERSION_STRING ${SDL2_IMAGE_VERSION_MAJOR}.${SDL2_IMAGE_VERSION_MINOR}.${SDL2_IMAGE_VERSION_PATCH})
+  unset(SDL2_IMAGE_VERSION_MAJOR_LINE)
+  unset(SDL2_IMAGE_VERSION_MINOR_LINE)
+  unset(SDL2_IMAGE_VERSION_PATCH_LINE)
+  unset(SDL2_IMAGE_VERSION_MAJOR)
+  unset(SDL2_IMAGE_VERSION_MINOR)
+  unset(SDL2_IMAGE_VERSION_PATCH)
+endif()
+
+set(SDL2_IMAGE_LIBRARIES ${SDL2_IMAGE_LIBRARY})
+set(SDL2_IMAGE_INCLUDE_DIRS ${SDL2_IMAGE_INCLUDE_DIR})
+
+include(FindPackageHandleStandardArgs)
+
+FIND_PACKAGE_HANDLE_STANDARD_ARGS(SDL2_image
+                                  REQUIRED_VARS SDL2_IMAGE_LIBRARIES SDL2_IMAGE_INCLUDE_DIRS
+                                  VERSION_VAR SDL2_IMAGE_VERSION_STRING)
+
+# for backward compatibility
+set(SDL2IMAGE_LIBRARY ${SDL2_IMAGE_LIBRARIES})
+set(SDL2IMAGE_INCLUDE_DIR ${SDL2_IMAGE_INCLUDE_DIRS})
+set(SDL2IMAGE_FOUND ${SDL2_IMAGE_FOUND})
+
+mark_as_advanced(SDL2_IMAGE_LIBRARY SDL2_IMAGE_INCLUDE_DIR)
\ No newline at end of file