.gitignore

@@ -34,18 +34,3 @@
 imgui.ini
 
 tview
-
-#CMake
-CMakeLists.txt.user
-CMakeCache.txt
-CMakeFiles
-CMakeScripts
-Testing
-Makefile
-cmake_install.cmake
-install_manifest.txt
-compile_commands.json
-CTestTestfile.cmake
-_deps
-CMakeUserPresets.json
-

CMakeLists.txt

@@ -1,50 +0,0 @@
-cmake_minimum_required(VERSION 3.10)
-
-set(CMAKE_CXX_STANDARD 20)
-set(CMAKE_CXX_STANDARD_REQUIRED True)
-
-project(tview)
-
-set (SOURCES
-lib/backends/imgui_impl_opengl3.cpp
-lib/backends/imgui_impl_opengl3.h
-lib/backends/imgui_impl_opengl3_loader.h
-lib/backends/imgui_impl_sdl2.cpp
-lib/backends/imgui_impl_sdl2.h
-lib/backends/tex_inspect_opengl.h
-lib/backends/tex_inspect_opengl.cpp
-lib/context_wrapper.h
-lib/image_model.h
-lib/imconfig.h
-lib/imfilebrowser.h
-lib/imgui.cpp
-lib/imgui.h
-lib/imgui_bezier_math.h
-lib/imgui_bezier_math.inl
-lib/imgui_demo.cpp
-lib/imgui_draw.cpp
-lib/imgui_extra_math.h
-lib/imgui_extra_math.inl
-lib/imgui_internal.h
-lib/imgui_tables.cpp
-lib/imgui_widgets.cpp
-lib/imstb_rectpack.h
-lib/imstb_textedit.h
-lib/imstb_truetype.h
-lib/stb_image.h
-lib/imgui_tex_inspect.h
-lib/imgui_tex_inspect_internal.h
-lib/imgui_tex_inspect.cpp
-lib/argparse.hpp
-lib/histogram.h
-main.cpp
-)
-
-set(OpenGL_GL_PREFERENCE GLVND)
-find_package(SDL2 REQUIRED)
-find_package(OpenGL REQUIRED)
-find_package(exiv2 REQUIRED)
-include_directories(${SDL2_INCLUDE_DIRS} ${OPENGL_INCLUDE_DIRS})
-
-add_executable(tview ${SOURCES})
-target_link_libraries(tview ${SDL2_LIBRARIES} ${OPENGL_LIBRARIES} exiv2lib)

Makefile

@@ -0,0 +1,91 @@
+#
+# Cross Platform Makefile
+# Compatible with MSYS2/MINGW, Ubuntu 14.04.1 and Mac OS X
+#
+# You will need SDL2 (http://www.libsdl.org):
+# Linux:
+#   apt-get install libsdl2-dev
+# Mac OS X:
+#   brew install sdl2
+# MSYS2:
+#   pacman -S mingw-w64-i686-SDL2
+#
+
+#CXX = g++
+#CXX = clang++
+
+EXE = tview
+IMGUI_DIR = lib
+SOURCES = main.cpp
+SOURCES += $(wildcard $(IMGUI_DIR)/*.cpp)
+SOURCES += $(wildcard $(IMGUI_DIR)/backends/*.cpp)
+OBJS = $(addsuffix .o, $(basename $(notdir $(SOURCES))))
+UNAME_S := $(shell uname -s)
+LINUX_GL_LIBS = -lGL
+
+CXXFLAGS = -std=c++20 -I$(IMGUI_DIR) -I$(IMGUI_DIR)/backends
+CXXFLAGS += -DIMGUI_DEFINE_MATH_OPERATORS -O3 -DGL_SILENCE_DEPRECATION
+LIBS = -lexiv2
+
+##---------------------------------------------------------------------
+## OPENGL ES
+##---------------------------------------------------------------------
+
+## This assumes a GL ES library available in the system, e.g. libGLESv2.so
+# CXXFLAGS += -DIMGUI_IMPL_OPENGL_ES2
+# LINUX_GL_LIBS = -lGLESv2
+## If you're on a Raspberry Pi and want to use the legacy drivers,
+## use the following instead:
+# LINUX_GL_LIBS = -L/opt/vc/lib -lbrcmGLESv2
+
+##---------------------------------------------------------------------
+## BUILD FLAGS PER PLATFORM
+##---------------------------------------------------------------------
+
+ifeq ($(UNAME_S), Linux) #LINUX
+	ECHO_MESSAGE = "Linux"
+	LIBS += $(LINUX_GL_LIBS) -ldl -L/usr/lib -lSDL2
+
+	CXXFLAGS += -I/usr/include/SDL2 -D_REENTRANT
+	CFLAGS = $(CXXFLAGS)
+endif
+
+ifeq ($(UNAME_S), Darwin) #APPLE
+	ECHO_MESSAGE = "Mac OS X"
+	LIBS += -framework OpenGL -framework Cocoa -framework IOKit -framework CoreVideo `sdl2-config --libs`
+	LIBS += -L/usr/local/lib -L/opt/local/lib
+
+	CXXFLAGS += `sdl2-config --cflags`
+	CXXFLAGS += -I/usr/local/include -I/opt/local/include
+	CFLAGS = $(CXXFLAGS)
+endif
+
+ifeq ($(OS), Windows_NT)
+    ECHO_MESSAGE = "MinGW"
+    LIBS += -lgdi32 -lopengl32 -limm32 `pkg-config --static --libs sdl2`
+
+    CXXFLAGS += `pkg-config --cflags sdl2`
+    CFLAGS = $(CXXFLAGS)
+endif
+
+##---------------------------------------------------------------------
+## BUILD RULES
+##---------------------------------------------------------------------
+
+%.o:%.cpp
+	$(CXX) $(CXXFLAGS) -c -o $@ $<
+
+%.o:$(IMGUI_DIR)/%.cpp
+	$(CXX) $(CXXFLAGS) -c -o $@ $<
+
+%.o:$(IMGUI_DIR)/backends/%.cpp
+	$(CXX) $(CXXFLAGS) -c -o $@ $<
+
+all: $(EXE)
+	@echo Build complete for $(ECHO_MESSAGE)
+
+$(EXE): $(OBJS)
+	$(CXX) -o $@ $^ $(CXXFLAGS) $(LIBS)
+
+clean:
+	rm -f $(EXE) $(OBJS)