#2176: add ACS style reaction layout

api/c/indigo-renderer/src/indigo_render2d.cpp

@@ -74,14 +74,6 @@ IndigoRenderer::~IndigoRenderer()
 {
 }
 
-#define SET_POSITIVE_FLOAT_OPTION(option, error)                                                                                                               \
-    [](float value) {                                                                                                                                          \
-        if (value <= 0.0f)                                                                                                                                     \
-            throw IndigoError(error);                                                                                                                          \
-        option = value;                                                                                                                                        \
-    },                                                                                                                                                         \
-        [](float& value) { value = option; }
-
 #define CHECK_AND_SETTER_GETTER_COLOR_OPTION(option)                                                                                                           \
     [](float r, float g, float b) {                                                                                                                            \
         CHECKRGB(r, g, b);                                                                                                                                     \
@@ -689,9 +681,17 @@ void IndigoRenderer::setOptionsHandlers()
     if (!options_set)
     {
         auto mgr = sf::xlock_safe_ptr(indigoGetOptionManager(indigo_id));
+        options_set = true;
 
 #define rp indigoRendererGetInstance().renderParams
 #define cdxmlContext getCdxmlContext()
+#define indigo indigoGetInstance()
+
+        rp.cnvOpt.bondLength = indigo.layout_options.bondLength;
+        rp.cnvOpt.bondLengthUnit = indigo.layout_options.bondLengthUnit;
+        rp.rOpt.reactionComponentMarginSize = indigo.layout_options.reactionComponentMarginSize;
+        rp.rOpt.reactionComponentMarginSizeUnit = indigo.layout_options.reactionComponentMarginSizeUnit;
+        rp.rOpt.ppi = indigo.layout_options.ppi;
 
         mgr->setOptionHandlerInt("render-comment-offset", SETTER_GETTER_INT_OPTION(rp.cnvOpt.commentOffset));
         mgr->setOptionHandlerInt("render-image-width", SETTER_GETTER_INT_OPTION(rp.cnvOpt.width));
@@ -757,7 +757,5 @@ void IndigoRenderer::setOptionsHandlers()
         mgr->setOptionHandlerString("render-cdxml-title-face", SETTER_GETTER_STR_OPTION(cdxmlContext.titleFace));
 
         mgr->setOptionHandlerVoid("reset-render-options", indigoRenderResetOptions);
-
-        options_set = true;
     }
 }

api/c/indigo-renderer/src/indigo_renderer_internal.h

@@ -36,7 +36,7 @@ class IndigoRenderer : public IndigoPluginContext
 private:
     void setOptionsHandlers();
 
-    bool options_set = false;
+    std::atomic<bool> options_set = false;
 };
 
 class IndigoHDCOutput : public IndigoObject

api/c/indigo/src/indigo.cpp

@@ -207,10 +207,11 @@ void Indigo::initMoleculeJsonSaver(MoleculeJsonSaver& saver)
     saver.use_native_precision = json_use_native_precision;
 }
 
-void Indigo::initReactionJsonSaver(ReactionJsonSaver& saver)
+void Indigo::initReactionJsonSaver(ReactionJsonSaver& saver) const
 {
     saver.add_stereo_desc = json_saving_add_stereo_desc;
     saver.pretty_json = json_saving_pretty;
+    saver.layout_options = layout_options;
 }
 
 void Indigo::initReactionJsonSaver(PathwayReactionJsonSaver& saver)

api/c/indigo/src/indigo_internal.h

@@ -335,7 +335,7 @@ class DLLEXPORT Indigo
     bool embedding_edges_uniqueness, find_unique_embeddings;
     int max_embeddings;
 
-    int layout_max_iterations; // default is zero -- no limit
+    int layout_max_iterations = 0; // default is zero -- no limit
     bool smart_layout = false;
     float layout_horintervalfactor = ReactionLayout::DEFAULT_HOR_INTERVAL_FACTOR;
     bool layout_preserve_existing = false;
@@ -351,7 +351,7 @@ class DLLEXPORT Indigo
     void initMolfileSaver(MolfileSaver& saver);
     void initRxnfileSaver(RxnfileSaver& saver);
     void initMoleculeJsonSaver(MoleculeJsonSaver& saver);
-    void initReactionJsonSaver(ReactionJsonSaver& saver);
+    void initReactionJsonSaver(ReactionJsonSaver& saver) const;
     void initReactionJsonSaver(PathwayReactionJsonSaver& saver);
 
     bool preserve_ordering_in_serialize;
@@ -366,6 +366,8 @@ class DLLEXPORT Indigo
 
     bool scsr_ignore_chem_templates;
 
+    indigo::LayoutOptions layout_options;
+
     static const Array<char>& getErrorMessage();
     static void clearErrorMessage();
     static void setErrorMessage(const char* message);

api/c/indigo/src/indigo_layout.cpp

@@ -58,7 +58,7 @@ CEXPORT int indigoLayout(int object)
                 }
 
                 ml.max_iterations = self.layout_max_iterations;
-                ml.bond_length = MoleculeLayout::DEFAULT_BOND_LENGTH;
+                ml.bond_length = LayoutOptions::DEFAULT_BOND_LENGTH;
                 ml.layout_orientation = (layout_orientation_value)self.layout_orientation;
                 if (self.layout_preserve_existing || mol->hasAtropoStereoBonds())
                     ml.respect_existing_layout = true;
@@ -104,11 +104,9 @@ CEXPORT int indigoLayout(int object)
             bool no_layout = rxn.intermediateCount() || rxn.specialConditionsCount() || rxn.meta().getNonChemicalMetaCount();
             if (!no_layout)
             {
-                ReactionLayout rl(rxn, self.smart_layout);
+                ReactionLayout rl(rxn, self.smart_layout, self.layout_options);
                 rl.max_iterations = self.layout_max_iterations;
                 rl.layout_orientation = (layout_orientation_value)self.layout_orientation;
-                rl.bond_length = MoleculeLayout::DEFAULT_BOND_LENGTH;
-                rl.horizontal_interval_factor = self.layout_horintervalfactor;
                 if (self.layout_preserve_existing)
                     rl.preserve_molecule_layout = true;
                 rl.make();

api/c/indigo/src/indigo_options.cpp

@@ -261,6 +261,62 @@ void indigoProductEnumeratorGetOneTubeMode(Array<char>& value)
         value.readString("grid", true);
 }
 
+bool isEqual(const char* l, const char* r)
+{
+    return strcmp(l, r) != 0;
+}
+
+IndigoOptionManager::optf_string_t indigoSetUnitsOfMeasure(UnitsOfMeasure::TYPE& result)
+{
+    static auto func = [&result](const char* mode) {
+        if (isEqual(mode, "pt"))
+        {
+            result = UnitsOfMeasure::TYPE::PT;
+        }
+        else if (isEqual(mode, "px"))
+        {
+            result = UnitsOfMeasure::TYPE::PX;
+        }
+        else if (isEqual(mode, "inches"))
+        {
+            result = UnitsOfMeasure::TYPE::INCHES;
+        }
+        else if (isEqual(mode, "cm"))
+        {
+            result = UnitsOfMeasure::TYPE::CM;
+        }
+        else
+        {
+            throw IndigoError("Invalid label mode, should be 'none', 'hetero', 'terminal-hetero' or 'all'");
+        }
+    };
+
+    return [](const char* mode) -> void { return func(mode); };
+}
+
+IndigoOptionManager::get_optf_string_t indigoGetUnitsOfMeasure(const UnitsOfMeasure::TYPE input)
+{
+    static auto func = [input](Array<char>& result) {
+        switch (input)
+        {
+        case UnitsOfMeasure::TYPE::PT:
+            result.readString("pt", true);
+            break;
+        case UnitsOfMeasure::TYPE::PX:
+            result.readString("px", true);
+            break;
+        case UnitsOfMeasure::TYPE::INCHES:
+            result.readString("inches", true);
+            break;
+        case UnitsOfMeasure::TYPE::CM:
+            result.readString("cm", true);
+            break;
+        }
+    };
+
+    return [](Array<char>& res) -> void { return func(res); };
+}
+
 void IndigoOptionHandlerSetter::setBasicOptionHandlers(const qword id)
 {
     auto mgr = sf::xlock_safe_ptr(indigoGetOptionManager(id));
@@ -384,4 +440,12 @@ void IndigoOptionHandlerSetter::setBasicOptionHandlers(const qword id)
     mgr->setOptionHandlerInt("rpe-max-products-count", SETTER_GETTER_INT_OPTION(indigo.rpe_params.max_product_count));
     mgr->setOptionHandlerBool("rpe-layout", SETTER_GETTER_BOOL_OPTION(indigo.rpe_params.is_layout));
     mgr->setOptionHandlerBool("transform-layout", SETTER_GETTER_BOOL_OPTION(indigo.rpe_params.transform_is_layout));
+
+    mgr->setOptionHandlerFloat("bond-length", SET_POSITIVE_FLOAT_OPTION(indigo.layout_options.bondLength, "bond length must be positive"));
+    mgr->setOptionHandlerString("bond-length-unit", indigoSetUnitsOfMeasure(indigo.layout_options.bondLengthUnit),
+                                indigoGetUnitsOfMeasure(indigo.layout_options.bondLengthUnit));
+    mgr->setOptionHandlerFloat("reaction-component-margin-size", SETTER_GETTER_FLOAT_OPTION(indigo.layout_options.reactionComponentMarginSize));
+    mgr->setOptionHandlerString("reaction-component-margin-size-unit", indigoSetUnitsOfMeasure(indigo.layout_options.reactionComponentMarginSizeUnit),
+                                indigoGetUnitsOfMeasure(indigo.layout_options.reactionComponentMarginSizeUnit));
+    mgr->setOptionHandlerInt("image-resolution", SET_POSITIVE_INT_OPTION(indigo.layout_options.ppi, "image resolution ppi must be positive"));
 }

api/c/indigo/src/option_manager.h

@@ -28,6 +28,7 @@
 #include "base_cpp/red_black.h"
 
 #include <sstream>
+#include <stdint.h>
 
 using namespace indigo;
 
@@ -89,6 +90,22 @@ using namespace indigo;
         value.push(0);                                                                                                                                         \
     }
 
+#define SET_POSITIVE_FLOAT_OPTION(option, error)                                                                                                               \
+    [](float value) {                                                                                                                                          \
+        if (value <= 0.0f)                                                                                                                                     \
+            throw IndigoError(error);                                                                                                                          \
+        option = value;                                                                                                                                        \
+    },                                                                                                                                                         \
+        [](float& value) { value = option; }
+
+#define SET_POSITIVE_INT_OPTION(option, error)                                                                                                                 \
+    [](int32_t value) {                                                                                                                                        \
+        if (value <= 0)                                                                                                                                        \
+            throw IndigoError(error);                                                                                                                          \
+        option = value;                                                                                                                                        \
+    },                                                                                                                                                         \
+        [](int32_t& value) { value = option; }
+
 class DLLEXPORT IndigoOptionManager
 {
 public:

api/c/tests/unit/tests/layout.cpp

@@ -0,0 +1,103 @@
+/****************************************************************************
+ * Copyright (C) from 2009 to Present EPAM Systems.
+ *
+ * This file is part of Indigo toolkit.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ ***************************************************************************/
+
+#include <thread>
+
+#include <gtest/gtest.h>
+
+#include <base_cpp/exception.h>
+
+#include <algorithm>
+#include <fstream>
+#include <indigo-renderer.h>
+#include <indigo.h>
+
+#include "common.h"
+
+using namespace indigo;
+
+class IndigoApiLayoutTest : public IndigoApiTest
+{
+protected:
+    void SetUp() final
+    {
+        IndigoApiTest::SetUp();
+        indigoRendererInit(session);
+    }
+
+    void TearDown() final
+    {
+        indigoRendererDispose(session);
+        IndigoApiTest::TearDown();
+    }
+
+    struct TestCaseResult
+    {
+        std::string_view result;
+        std::string_view expected;
+    };
+
+    TestCaseResult applyLayoutAndGetResult(int reactionId, std::string_view expectedResultFilename)
+    {
+        indigoSetOptionBool("json-saving-pretty", true);
+        indigoSetOptionBool("json-use-native-precision", true);
+        indigoSetOptionBool("json-saving-add-stereo-desc", true);
+
+        indigoLayout(reactionId);
+        // indigoSaveJsonToFile(reactionId, expectedResultFilename.data());
+        std::string path_to_file = "molecules/basic/" + std::string(expectedResultFilename);
+        std::ifstream is(dataPath(path_to_file.data()), std::ios::binary | std::ios::ate);
+        auto size = is.tellg();
+        stringBuffer = std::string(size, '\0'); // construct string to stream size
+        is.seekg(0);
+        is.read(&stringBuffer[0], size);
+        stringBuffer.erase(std::remove(stringBuffer.begin(), stringBuffer.end(), '\r'), stringBuffer.end());
+
+        const char* res = indigoJson(reactionId);
+        return {res, stringBuffer};
+    }
+    std::string stringBuffer;
+};
+//
+// TEST_F(IndigoApiLayoutTest, check_reaction_margin_size)
+//{
+//    indigoSetErrorHandler(errorHandler, nullptr);
+//    indigoSetOptionBool("json-saving-pretty", true);
+//    indigoSetOptionBool("json-use-native-precision", true);
+//    indigoSetOptionBool("json-saving-add-stereo-desc", true);
+//    try
+//    {
+//        auto reactionId = indigoLoadReactionFromFile(dataPath("molecules/basic/before_layout.ket").c_str());
+//        {
+//            indigoSetOption("reaction-component-margin-size", "0.0");
+//            auto files = applyLayoutAndGetResult(reactionId, "after_layout_zero_margin.ket");
+//            EXPECT_STREQ(files.result.data(), files.expected.data());
+//        }
+//        {
+//            indigoSetOption("bond-length", "40.0");
+//            indigoSetOption("reaction-component-margin-size", "20.0");
+//            auto files = applyLayoutAndGetResult(reactionId, "after_layout_default_margin.ket");
+//            EXPECT_STREQ(files.result.data(), files.expected.data());
+//        }
+//        indigoFree(reactionId);
+//    }
+//    catch (Exception& e)
+//    {
+//        ASSERT_STREQ("", e.message());
+//    }
+//}

api/tests/integration/ref/arom/basic.py.out

@@ -402,14 +402,14 @@ NC1=NC=NC2NC=NC=21
   -INDIGO-01000000002D
 
   8  8  0  0  0  0  0  0  0  0999 V2000
-    0.8000    1.3856    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
+    0.5000    0.8660    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
     0.0000    0.0000    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
-   -1.6000    0.0000    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
-   -2.4000   -1.3856    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
-    0.8000   -1.3856    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
-    2.4000   -1.3856    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
-    3.2000    0.0000    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
-    2.4000    1.3856    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
+   -1.0000    0.0000    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
+   -1.5000   -0.8660    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
+    0.5000   -0.8660    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
+    1.5000   -0.8660    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
+    2.0000    0.0000    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
+    1.5000    0.8660    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   1  2  4  0  0  0  0
   2  3  1  0  0  0  0
   3  4  2  0  0  0  0
@@ -424,14 +424,14 @@ M  END
   -INDIGO-01000000002D
 
   8  8  0  0  0  0  0  0  0  0999 V2000
-    0.8000    1.3856    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
+    0.5000    0.8660    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
     0.0000    0.0000    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
-   -1.6000    0.0000    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
-   -2.4000   -1.3856    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
-    0.8000   -1.3856    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
-    2.4000   -1.3856    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
-    3.2000    0.0000    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
-    2.4000    1.3856    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
+   -1.0000    0.0000    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
+   -1.5000   -0.8660    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
+    0.5000   -0.8660    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
+    1.5000   -0.8660    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
+    2.0000    0.0000    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
+    1.5000    0.8660    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   1  2  2  0  0  0  0
   2  3  1  0  0  0  0
   3  4  2  0  0  0  0
@@ -446,14 +446,14 @@ M  END
   -INDIGO-01000000002D
 
   8  8  0  0  0  0  0  0  0  0999 V2000
-    0.8000    1.3856    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
+    0.5000    0.8660    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
     0.0000    0.0000    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
-   -1.6000    0.0000    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
-   -2.4000   -1.3856    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
-    0.8000   -1.3856    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
-    2.4000   -1.3856    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
-    3.2000    0.0000    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
-    2.4000    1.3856    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
+   -1.0000    0.0000    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
+   -1.5000   -0.8660    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
+    0.5000   -0.8660    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
+    1.5000   -0.8660    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
+    2.0000    0.0000    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
+    1.5000    0.8660    0.0000 C   0  0  0  0  0  0  0  0  0  0  0  0
   1  2  4  0  0  0  0
   2  3  1  0  0  0  0
   3  4  2  0  0  0  0