sz3 · sz3 · Feb 25, 2022 · Feb 18, 2022 · Feb 19, 2022 · Feb 19, 2022
diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
@@ -14,6 +14,9 @@ jobs:
           os: ubuntu-18.04
           env: CXX="g++-7" CC="gcc-7"
 
+        - name: "linux gcc9"
+          os: ubuntu-latest
+
         - name: "linux clang"
           os: ubuntu-18.04
           env: CXX="clang++" CC="clang"

diff --git a/.github/workflows/release.yml b/.github/workflows/release.yml
@@ -0,0 +1,42 @@
+name: release
+
+on:
+  push:
+    tags:
+      - '*'
+
+jobs:
+  package-cimbar:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Get the code
+        uses: actions/checkout@v2
+        with:
+          submodules: 'recursive'
+
+      - name: Get openCV
+        run: |
+          wget https://github.com/opencv/opencv/archive/refs/tags/4.5.5.zip
+          unzip 4.5.5.zip
+          mv opencv-4.5.5 opencv4
+
+      - name: Run the build process with Docker
+        uses: addnab/docker-run-action@v3
+        with:
+          image: emscripten/emsdk:latest
+          options: -v ${{ github.workspace }}:/usr/src/app
+          shell: bash
+          run: |
+            bash /usr/src/app/package-wasm.sh
+
+      - name: Show results
+        run: ls -l web/
+
+      - name: Create release
+        uses: softprops/action-gh-release@v1
+        with:
+          draft: true
+          files: |
+            web/cimbar.asmjs.zip
+            web/cimbar.wasm.tar.gz
+
diff --git a/CMakeLists.txt b/CMakeLists.txt
@@ -33,8 +33,17 @@ else()  # if not wasm, go find opencv. 3 or 4 should both work
 	include_directories(${OpenCV_INCLUDE_DIRS})
 endif()
 
+if(DEFINED BUILD_PORTABLE_LINUX)
+	find_package(PkgConfig REQUIRED)
+	pkg_check_modules(OPENCV4 REQUIRED opencv4)
+	link_directories(${OPENCV4_STATIC_LIBRARY_DIRS})
+
+	# statically link c++/gcc (not libc!!)
+	set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "${CMAKE_CXX_FLAGS_RELWITHDEBINFO} -static-libstdc++ -static-libgcc")
+endif()
+
 if(NOT DEFINED OPENCV_LIBS)
-	set(OPENCV_LIBS "opencv_calib3d" "opencv_imgcodecs" "opencv_imgproc" "opencv_photo" "opencv_core")
+	set(OPENCV_LIBS "opencv_calib3d" "opencv_imgcodecs" "opencv_imgproc" "opencv_photo" "opencv_core" ${OPENCV4_STATIC_LIBRARIES})
 endif()
 
 if(NOT DEFINED CPPFILESYSTEM)

diff --git a/package-portable-linux.sh b/package-portable-linux.sh
@@ -0,0 +1,31 @@
+#!/bin/sh
+## targeting old glibc
+# docker run --mount type=bind,source="$(pwd)",target="/usr/src/app" -it ubuntu:16.04
+
+cd /usr/src/app
+
+# https://gist.github.com/jlblancoc/99521194aba975286c80f93e47966dc5
+apt update
+apt install -y software-properties-common
+add-apt-repository -y ppa:ubuntu-toolchain-r/test
+
+apt update
+apt install -y pkgconf g++-7 python-pip
+apt install -y libgles2-mesa-dev libglfw3-dev
+
+# cmake (via pip)
+python -m pip install cmake
+
+# use gcc7
+update-alternatives --install /usr/bin/cc cc /usr/bin/gcc-7 100
+update-alternatives --install /usr/bin/c++ c++ /usr/bin/g++-7 100
+
+cd opencv4/
+mkdir build-portable/ && cd build-portable/
+/usr/local/bin/cmake .. -DCMAKE_BUILD_TYPE=RELEASE -DBUILD_SHARED_LIBS=OFF -DOPENCV_GENERATE_PKGCONFIG=YES -DOPENCV_FORCE_3RDPARTY_BUILD=YES
+make -j5 install
+
+cd /usr/src/app
+mkdir build-portable/ && cd build-portable/
+/usr/local/bin/cmake .. -DBUILD_PORTABLE_LINUX=1
+make -j5 install
diff --git a/package-wasm.sh b/package-wasm.sh
@@ -0,0 +1,23 @@
+#!/bin/sh
+#docker run --mount type=bind,source="$(pwd)",target="/usr/src/app" -it emscripten/emsdk:latest
+
+cd /usr/src/app
+
+apt update
+apt install python -y
+
+cd opencv4/
+mkdir opencv-build-wasm && cd opencv-build-wasm
+python ../platforms/js/build_js.py build_wasm --build_wasm --emscripten_dir=/emsdk/upstream/emscripten
+
+cd /usr/src/app
+mkdir build-wasm && cd build-wasm
+emcmake cmake .. -DUSE_WASM=1 -DOPENCV_DIR=/usr/src/app/opencv4
+make -j5 install
+(cd ../web/ && tar -czvf cimbar.wasm.tar.gz cimbar_js.* index.html main.js)
+
+cd /usr/src/app
+mkdir build-asmjs && cd build-asmjs
+emcmake cmake .. -DUSE_WASM=2 -DOPENCV_DIR=/usr/src/app/opencv4
+make -j5 install
+(cd ../web/ && zip cimbar.asmjs.zip cimbar_js.js index.html main.js)
diff --git a/src/lib/cimb_translator/test/CimbDecoderTest.cpp b/src/lib/cimb_translator/test/CimbDecoderTest.cpp
@@ -56,7 +56,7 @@ TEST_CASE( "CimbDecoderTest/testPrethresholdDecode", "[unit]" )
 	for (unsigned i = 0; i < 16; ++i)
 	{
 		cv::Mat tile = cimbar::getTile(4, i, true);
-		cv::Mat tenxten(10, 10, tile.type());
+		cv::Mat tenxten(10, 10, tile.type(), cv::Scalar(0, 0, 0));
 		tile.copyTo(tenxten(cv::Rect(cv::Point(1, 1), tile.size())));
 
 		// grayscale and threshold, since that's what average_hash needs

diff --git a/src/lib/image_hash/average_hash.h b/src/lib/image_hash/average_hash.h
@@ -51,6 +51,10 @@ namespace image_hash
 				uint64_t mval = (*hax) & 0x101010101ULL;
 				const uint8_t* cv = reinterpret_cast<const uint8_t*>(&mval);
 				uint8_t val = cv[0] << 4 | cv[1] << 3 | cv[2] << 2 | cv[3] << 1 | cv[4];
+				// TODO:
+				/*if (bigEndian)
+					val = cv[7] << 4 | cv[6] << 3 | cv[5] << 2 | cv[4] << 1 | cv[3];*/ // ?
+
 				res |= intx::uint128(val) << bitpos;
 			}
 		}