Move image lib to utils.cpp

CMakeLists.txt

@@ -18,3 +18,8 @@ target_include_directories(seam-carving
         ${PROJECT_SOURCE_DIR}/deps
 )
 target_link_libraries(seam-carving utils)
+
+target_include_directories(utils
+    PRIVATE 
+        ${PROJECT_SOURCE_DIR}/deps
+)

src/image.h

@@ -0,0 +1,19 @@
+#ifndef STBIDEF
+#ifdef STB_IMAGE_WRITE_STATIC
+#define STBIDEF  static
+#else
+#ifdef __cplusplus
+#define STBIDEF  extern "C"
+#else
+#define STBIDEF  extern
+#endif
+#endif
+#endif
+
+typedef unsigned char stbi_uc;
+
+STBIDEF int stbi_write_png(char const *filename, int w, int h, int comp, const void  *data, int stride_in_bytes);
+
+STBIDEF stbi_uc *stbi_load(char const *filename, int *x, int *y, int *comp, int req_comp);
+
+STBIDEF void     stbi_image_free      (void *retval_from_stbi_load);

src/seam-carving.cpp

@@ -1,4 +1,5 @@
 #include <iostream>
+#include <cassert>
 #include <random>
 #include <string>
 #include <vector>
@@ -6,12 +7,9 @@
 #include <CLI11.hpp>
 
 // Image filtering and I/O
-#define STB_IMAGE_IMPLEMENTATION
-#include <stb_image.h>
-#define STB_IMAGE_WRITE_IMPLEMENTATION
 #include <SimpleProgressBar.hpp>
-#include <stb_image_write.h>
 #include "utils.hpp"
+#include "image.h"
 
 #define DEFAULT_SEAMS 1
 

src/utils.cpp

@@ -1,3 +1,8 @@
+#define STB_IMAGE_IMPLEMENTATION
+#include <stb_image.h>
+#define STB_IMAGE_WRITE_IMPLEMENTATION
+#include <stb_image_write.h>
+
 #include <iostream>
 #include <random>
 #include <vector>