From bb37bf06281a20f5d7d84f68f3ff978ab8a143cf Mon Sep 17 00:00:00 2001
From: Xerbo <xerbo@protonmail.com>
Date: Tue, 28 Jul 2020 15:26:18 +0100
Subject: [PATCH] Palette search directorie, basic packaging support

---
 CMakeLists.txt             | 38 +++++++++++++++++++++++++++++++++-----
 cmake/FindLibSndFile.cmake | 23 +++++++++++------------
 src/pngio.c                | 12 +++++++++---
 3 files changed, 53 insertions(+), 20 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 9eb7f68..3e073ad 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -1,22 +1,50 @@
 cmake_minimum_required (VERSION 3.0.0)
 list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_LIST_DIR}/cmake")
 
-project (aptdec)
+set(PROJECT_VERSION "1.7.0")
 
+project(aptdec)
 file(GLOB_RECURSE C_SOURCE_FILES src/*.c)
 add_executable(aptdec ${C_SOURCE_FILES})
 
-# Math
+add_compile_definitions(PALETTE_DIR="${CMAKE_SOURCE_DIR}/palettes")
+
+# math
 target_link_libraries(aptdec PRIVATE m)
 
-# PNG
+# libpng
+target_link_libraries(aptdec PRIVATE PNG::PNG)
 if(WIN32 AND NOT MINGW)
     find_package(PNG CONFIG REQUIRED)
 else()
     find_package(PNG REQUIRED)
 endif()
-target_link_libraries(aptdec PRIVATE PNG::PNG)
 
-# SndFile
+# libsndfile
 find_package(LibSndFile REQUIRED)
 target_link_libraries(aptdec PRIVATE ${LIBSNDFILE_LIBRARY})
+
+# CPack
+set(CPACK_PACKAGE_VERSION ${PROJECT_VERSION})
+set(CPACK_PACKAGE_NAME "aptdec")
+set(CPACK_PACKAGE_CONTACT "Xerbo (xerbo@protonmail.com)")
+set(CPACK_PACKAGE_DESCRIPTION_SUMMARY "NOAA APT satellite imagery decoder")
+set(CPACK_DEBIAN_PACKAGE_ARCHITECTURE "amd64")
+set(CPACK_DEBIAN_PACKAGE_SHLIBDEPS ON)
+
+IF(NOT WIN32)
+    set(CPACK_GENERATOR "DEB")
+    set(CPACK_PACKAGE_FILE_NAME "${CPACK_PACKAGE_NAME}-${CPACK_PACKAGE_VERSION}.${CMAKE_SYSTEM_PROCESSOR}")
+
+    install(TARGETS aptdec DESTINATION "bin/")
+    install(DIRECTORY "${PROJECT_SOURCE_DIR}/palettes/" DESTINATION "lib/aptdec/palettes")
+else()
+    set(CPACK_GENERATOR "ZIP;NSIS")
+    set(CPACK_PACKAGE_FILE_NAME "${CPACK_PACKAGE_NAME}-${CPACK_PACKAGE_VERSION}")
+
+    install(TARGETS aptdec DESTINATION "bin/")
+    install(FILES libpng16.dll libsndfile-1.dll libzlib.dll DESTINATION "bin/")
+    install(DIRECTORY "${PROJECT_SOURCE_DIR}/palettes/" DESTINATION "palettes/")
+endif()
+
+include(CPack)
diff --git a/cmake/FindLibSndFile.cmake b/cmake/FindLibSndFile.cmake
index 2537b21..cd58900 100644
--- a/cmake/FindLibSndFile.cmake
+++ b/cmake/FindLibSndFile.cmake
@@ -1,20 +1,19 @@
 # Find libsndfile
-
 FIND_PATH(LIBSNDFILE_INCLUDE_DIR sndfile.h)
 
 SET(LIBSNDFILE_NAMES ${LIBSNDFILE_NAMES} sndfile libsndfile libsndfile-1)
 FIND_LIBRARY(LIBSNDFILE_LIBRARY NAMES ${LIBSNDFILE_NAMES} PATH)
 
-IF (LIBSNDFILE_INCLUDE_DIR AND LIBSNDFILE_LIBRARY)
+IF(LIBSNDFILE_INCLUDE_DIR AND LIBSNDFILE_LIBRARY)
     SET(LIBSNDFILE_FOUND TRUE)
-ENDIF (LIBSNDFILE_INCLUDE_DIR AND LIBSNDFILE_LIBRARY)
+ENDIF(LIBSNDFILE_INCLUDE_DIR AND LIBSNDFILE_LIBRARY)
 
-IF (LIBSNDFILE_FOUND)
-    IF (NOT LibSndFile_FIND_QUIETLY)
-        MESSAGE (STATUS "Found LibSndFile: ${LIBSNDFILE_LIBRARY}")
-    ENDIF (NOT LibSndFile_FIND_QUIETLY)
-ELSE (LIBSNDFILE_FOUND)
-    IF (LibSndFile_FIND_REQUIRED)
-        MESSAGE (FATAL_ERROR "Could not find sndfile")
-    ENDIF (LibSndFile_FIND_REQUIRED)
-ENDIF (LIBSNDFILE_FOUND)
+IF(LIBSNDFILE_FOUND)
+    IF(NOT LibSndFile_FIND_QUIETLY)
+        MESSAGE(STATUS "Found LibSndFile: ${LIBSNDFILE_LIBRARY}")
+    ENDIF(NOT LibSndFile_FIND_QUIETLY)
+ELSE(LIBSNDFILE_FOUND)
+    IF(LibSndFile_FIND_REQUIRED)
+        MESSAGE(FATAL_ERROR "Could not find sndfile")
+    ENDIF(LibSndFile_FIND_REQUIRED)
+ENDIF(LIBSNDFILE_FOUND)
diff --git a/src/pngio.c b/src/pngio.c
index 50b8f5b..37981d6 100644
--- a/src/pngio.c
+++ b/src/pngio.c
@@ -213,10 +213,16 @@ int readRawImage(char *filename, float **prow, int *nrow) {
 int readPalette(char *filename, rgb_t **pixels) {
 	FILE *fp = fopen(filename, "r");
 	if(!fp) {
-		fprintf(stderr, "Cannot open %s\n", filename);
-		return 0;
+		char buffer[1024];
+		// PALETTE_DIR is set through CMake
+		sprintf(buffer, PALETTE_DIR"/%s", filename);
+		fp = fopen(buffer, "r");
+			if(!fp){
+			fprintf(stderr, "Cannot open %s\n", filename);
+			return 0;
+		}
 	}
-
+	
 	// Create reader
 	png_structp png = png_create_read_struct(PNG_LIBPNG_VER_STRING, NULL, NULL, NULL);
 	if(!png) {