Initial work in making it compatible with Epsilon

.clang-format

@@ -0,0 +1,123 @@
+# ClangFormatConfigureSource: 'LLVM'
+---
+Language:        Cpp
+# BasedOnStyle:  LLVM
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+AllowAllParametersOfDeclarationOnNextLine: true
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+AllowShortFunctionsOnASingleLine: All
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+AlwaysBreakTemplateDeclarations: MultiLine
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+BinPackParameters: true
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+  SplitEmptyNamespace: true
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+BreakInheritanceList: BeforeColon
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+BreakConstructorInitializersBeforeComma: false
+BreakConstructorInitializers: BeforeColon
+BreakAfterJavaFieldAnnotations: false
+BreakStringLiterals: true
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+Cpp11BracedListStyle: true
+DerivePointerAlignment: false
+DisableFormat:   false
+ExperimentalAutoDetectBinPacking: false
+FixNamespaceComments: false
+ForEachMacros:
+  - foreach
+  - Q_FOREACH
+  - BOOST_FOREACH
+IncludeBlocks:   Merge
+IncludeCategories:
+  - Regex:           '^"(llvm|llvm-c|clang|clang-c)/'
+    Priority:        2
+  - Regex:           '^(<|"(gtest|gmock|isl|json)/)'
+    Priority:        1
+  - Regex:           '.*'
+    Priority:        3
+IncludeIsMainRegex: '(Test)?$'
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+IndentPPDirectives: None
+IndentWidth:     4
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+JavaScriptWrapImports: true
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+MacroBlockEnd:   ''
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+SpacesInContainerLiterals: true
+SpacesInCStyleCastParentheses: false
+SpacesInParentheses: false
+SpacesInSquareBrackets: false
+Standard:        Cpp11
+StatementMacros:
+  - Q_UNUSED
+  - QT_REQUIRE_VERSION
+  - Assert
+  - AssertNotNull
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+...

.clang-tidy

@@ -0,0 +1,11 @@
+Checks: 'readability-*,clang-diagnostic-*,clang-analyzer-*,-clang-analyzer-alpha*,performance-*,cppcoreguidelines-*,
+bugprone-*,modernize-*,-modernize-use-trailing-return-type'
+HeaderFilterRegex: ''
+AnalyzeTemporaryDtors: false
+CheckOptions:
+  - key: readability-identifier-naming.ClassCase
+    value: CamelCase
+  - key: readability-identifier-naming.PrivateMemberCase
+    value: camelBack
+  - key: readability-identifier-naming.PrivateMemberPrefix
+    value: '_'

CMakeLists.txt

@@ -9,6 +9,7 @@ add_compile_options(-Wall -Wextra -Werror)
 option(WINDOWS "Whether the build target is Windows or not." OFF)
 option(SHARED "Whether we should build a shared library, instead of a static one." OFF)
 option(DEMO "Whether or not the demo should be built." OFF)
+option(OPENCV "Whether or not opencv should be targeted." OFF)
 
 if (NOT WINDOWS)
     set(CMAKE_POSITION_INDEPENDENT_CODE ON)
@@ -44,6 +45,15 @@ if (STATICC)
     set (CMAKE_SHARED_LINKER_FLAGS "-Wl,--as-needed")
     set(LINKS -static-libgcc -static-libstdc++ -Wl,-Bstatic -lm -lstdc++ -lpthread -Wl,-Bdynamic ${LINKS})
 endif(STATICC)
+
+if (OPENCV)
+    find_package( OpenCV REQUIRED )
+    include_directories( ${OpenCV_INCLUDE_DIRS} )
+
+    add_definitions(-D ATOMORPH_OPENCV)
+    set(LINKS ${LINKS} ${OpenCV_LIBS})
+endif()
+
 target_link_libraries(atomorph ${LINKS})
 
 if (DEMO)

README.md

@@ -1,6 +1,8 @@
 # atomorph
 Image morphing library that uses fluid dynamics and optimal transport to produce intuitive morphs.
 
+Adapted for use for Epsilon.
+
 http://atomorph.org
 
 AtoMorph Library uses the C++11 standard. The included Makefiles

src/EpsilonHook.cpp

@@ -0,0 +1,50 @@
+#include "morph.h"
+
+#define export extern "C" [[maybe_unused]]
+
+export am::morph* create_morph(uint16_t width, uint16_t height, uint8_t img_a[], uint8_t img_b[]) {
+    auto* morph = new am::morph();
+
+    morph->set_blob_delimiter  (am::HSP);
+    morph->set_blob_max_size   (128);
+    morph->set_blob_min_size   (3);
+    morph->set_blob_box_grip   (16);
+    morph->set_blob_box_samples(-1);
+    morph->set_blob_threshold  (128);
+    morph->set_blob_number     (1);
+    morph->set_seed            (0);
+    morph->set_blob_rgba_weight(1);
+    morph->set_blob_size_weight(0);
+    morph->set_blob_xy_weight  (0);
+    morph->set_degeneration    (10000);
+    morph->set_density         (2); // Higher than 1 sets fluid to 0.
+    morph->set_motion          (am::SPLINE);
+    morph->set_fading          (am::PERLIN);
+    morph->set_threads         (8);
+    morph->set_cycle_length    (100000);
+    morph->set_feather         (0);
+    morph->set_keep_background (0);
+    morph->set_finite          (1);
+    morph->set_show_blobs      (am::TEXTURE);
+    morph->set_fluid           (0); // Higher than 0 sets density to 1.
+
+
+    morph->set_resolution(width, height);
+    for (int i = 0; i < width * height; i++) {
+        auto real_index = i * 4;
+        morph->add_pixel(0, am::create_pixel(i % width, i / width, img_a[real_index], img_a[real_index + 1],
+                                             img_a[real_index + 2], img_a[real_index + 3]));
+    }
+    for (int i = 0; i < width * height; i++) {
+        auto real_index = i * 4;
+        morph->add_pixel(1, am::create_pixel(i % width, i / width, img_b[real_index], img_b[real_index + 1],
+                                             img_b[real_index + 2], img_b[real_index + 3]));
+    }
+
+    morph->compute();
+    return morph;
+}
+
+
+
+export void delete_morph(am::morph* morph) { delete morph; }

src/atomorph.h

@@ -18,7 +18,7 @@
 #include <cstdint>
 
 #ifdef ATOMORPH_OPENCV
-#include <opencv/cv.h>
+#include <opencv2/opencv.hpp>
 #endif
 
 #include "spline.h"

src/morph.h

@@ -1,6 +1,7 @@
 /*
  * See Copyright Notice in atomorph.h
  */
+#pragma once
 
 #include "atomorph.h"