Add handwriting project for mnist

handwriting/handwriting.proto

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+/*
+ * MIT License
+ *
+ * Copyright (c) 2019 Alexey Edelev <semlanik@gmail.com>
+ *
+ * This file is part of NeuralNetwork project https://git.semlanik.org/semlanik/NeuralNetwork
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this
+ * software and associated documentation files (the "Software"), to deal in the Software
+ * without restriction, including without limitation the rights to use, copy, modify,
+ * merge, publish, distribute, sublicense, and/or sell copies of the Software, and
+ * to permit persons to whom the Software is furnished to do so, subject to the following
+ * conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies
+ * or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
+ * INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
+ * PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
+ * FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+syntax="proto3";
+
+package handwriting;
+
+message Matrix {
+    bytes matrix = 1;
+}
+
+message Result {
+    uint32 resultCharacter = 1;
+}
+service SnakeSimulator {
+    rpc recognize(Matrix) returns (Result) {}
+}

handwriting/handwritingui/CMakeLists.txt

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+cmake_minimum_required(VERSION 2.8)
+
+project(Handwriting LANGUAGES CXX)
+
+find_package(Qt5 COMPONENTS Quick Gui Core Qml REQUIRED)
+
+set(QTPROTOBUF_MAKE_TESTS false)
+set(QTPROTOBUF_MAKE_EXAMPLES false)
+add_subdirectory("qtprotobuf")
+find_package(QtProtobufProject CONFIG COMPONENTS QtProtobuf QtGrpc REQUIRED)
+if(Qt5_POSITION_INDEPENDENT_CODE)
+    set(CMAKE_POSITION_INDEPENDENT_CODE TRUE)
+endif()
+
+file(GLOB PROTO_FILES ABSOLUTE "${CMAKE_CURRENT_SOURCE_DIR}/../handwriting.proto")
+
+generate_qtprotobuf(TARGET HandwritingUi PROTO_FILES ${PROTO_FILES} EXCLUDE_HEADERS globalenums.h)
+
+set(CMAKE_AUTOMOC ON)
+set(CMAKE_AUTORCC ON)
+
+add_executable(HandwritingUi main.cpp qml.qrc)
+target_link_libraries(HandwritingUi Qt5::Core Qt5::Gui Qt5::Qml Qt5::Quick QtProtobufProject::QtProtobuf QtProtobufProject::QtGrpc ${QtProtobuf_GENERATED})

handwriting/handwritingui/main.cpp

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+/*
+ * MIT License
+ *
+ * Copyright (c) 2019 Alexey Edelev <semlanik@gmail.com>
+ *
+ * This file is part of NeuralNetwork project https://git.semlanik.org/semlanik/NeuralNetwork
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this
+ * software and associated documentation files (the "Software"), to deal in the Software
+ * without restriction, including without limitation the rights to use, copy, modify,
+ * merge, publish, distribute, sublicense, and/or sell copies of the Software, and
+ * to permit persons to whom the Software is furnished to do so, subject to the following
+ * conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies
+ * or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
+ * INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
+ * PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
+ * FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+#include <QGuiApplication>
+#include <QQmlApplicationEngine>
+#include <QQmlContext>
+#include <QDebug>
+#include <QtProtobufTypes>
+
+#include "qgrpchttp2channel.h"
+#include "insecurecredentials.h"
+
+int main(int argc, char *argv[])
+{
+    QGuiApplication app(argc, argv);
+    QtProtobuf::registerProtoTypes();
+    QQmlApplicationEngine engine;
+    engine.load(QUrl(QStringLiteral("qrc:/main.qml")));
+    if (engine.rootObjects().isEmpty())
+        return -1;
+
+    return app.exec();
+}

handwriting/handwritingui/main.qml

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+/*
+ * MIT License
+ *
+ * Copyright (c) 2019 Alexey Edelev <semlanik@gmail.com>
+ *
+ * This file is part of NeuralNetwork project https://git.semlanik.org/semlanik/NeuralNetwork
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this
+ * software and associated documentation files (the "Software"), to deal in the Software
+ * without restriction, including without limitation the rights to use, copy, modify,
+ * merge, publish, distribute, sublicense, and/or sell copies of the Software, and
+ * to permit persons to whom the Software is furnished to do so, subject to the following
+ * conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies
+ * or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
+ * INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
+ * PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE
+ * FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
+ * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+import QtQuick 2.11
+import QtQuick.Window 2.11
+import QtQuick.Controls 1.4
+
+ApplicationWindow {
+    id: root
+    visible: true
+    width: 1024
+    height: 768
+    MouseArea {
+        id: drawingArea
+        width: 28*20
+        height: 28*20
+        onPositionChanged: {
+            root.contentItem.child
+            mouse.x
+            mouse.y
+        }
+    }
+    Repeater {
+        model: 784
+        Rectangle {
+            id: tile
+            width: 20
+            height: 20
+            color: "black"
+            x: 20*Math.floor(model.index/28)
+            y: 20*(model.index%28)
+            border.width: 1
+            border.color: "white"
+            Connections {
+                target: drawingArea
+                onPositionChanged: {
+                    var centerX = tile.x + tile.width/2
+                    var centerY = tile.y + tile.height/2
+                    var diffX = mouse.x - centerX
+                    var diffY = mouse.y - centerY
+                    var dense = Math.sqrt(diffX * diffX + diffY * diffY)
+                    if(dense < 20) {
+                        tile.color = Qt.rgba(color.r + (20-dense)/20, color.g + (20-dense)/20, color.b + (20-dense)/20, 1.0)
+                    }
+                }
+            }
+        }
+    }
+}

handwriting/handwritingui/qml.qrc

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+<RCC>
+    <qresource prefix="/">
+        <file>main.qml</file>
+    </qresource>
+</RCC>

handwriting/handwritingui/qtprotobuf

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+../../gui/qtprotobuf

handwriting/main.go

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+