Update jdenticon to use nheko color logic and fix octet functionality

qmldir

+module im.nheko.qtjdenticon
+plugin qt-jdenticon

src/identicon.cpp

 #include "identicon.h"
 
 IdenticonStyle Identicon::defaultStyle_ = {};
-Identicon::Identicon(QByteArray &hash, int size)
+Identicon::Identicon(QString &hash, int size)
 {
     size_ = size;
     hash_ = hash;
@@ -10,18 +10,11 @@ Identicon::Identicon(QByteArray &hash, int size)
 Identicon
 Identicon::fromHash(QByteArray &hash, int size)
 {
-    Identicon fromHash(hash, size);
+    QString str = QString(hash);
+    Identicon fromHash(str, size);
     return fromHash;
 }
 
-Identicon
-Identicon::fromHash(QString &hash, int size)
-{
-    QByteArray hashArr = QByteArray::fromStdString(hash.toStdString());
-    Identicon identicon(hashArr, size);
-    return identicon;
-}
-
 QString
 Identicon::generateSvg(Identicon &icon, bool fragment)
 {

src/identicon.h

@@ -11,14 +11,14 @@
 class Identicon
 {
 private:
-    QByteArray hash_;
+    QString hash_;
     int size_;
     rendering::IconGenerator iconGenerator_;
     IdenticonStyle style_;
     static IdenticonStyle defaultStyle_;
 
 public:
-    Identicon(QByteArray &hash, int size);
+    Identicon(QString &hash, int size);
     int size() { return size_; }
     rendering::Rectangle getIconBounds();
     static Identicon fromHash(QByteArray &hash, int size);

src/jdenticonplugin.cpp

@@ -5,7 +5,8 @@
 QString
 JdenticonPlugin::generate(const QString &message, uint16_t size)
 {
-    QByteArray byteArr = QByteArray::fromStdString(message.toStdString());
-    Identicon identicon(byteArr, size);
+    //QByteArray byteArr = QByteArray::fromStdString(message.toStdString());
+    QString copy = message;
+    Identicon identicon(copy, size);
     return identicon.generateSvg(identicon, false);
 }

src/qtidenticon.cpp

@@ -13,7 +13,7 @@ main(int argc, char *argv[])
     };
     for (QString hash : hashes) {
         QByteArray hashArr = QByteArray::fromStdString(hash.toStdString());
-        Identicon test(hashArr, 256);
+        Identicon test(hash, 256);
         qInfo() << hash;
         qInfo() << test.generateSvg(test, false);
     }

src/rendering/icongenerator.cpp

 #include "icongenerator.h"
 
+#include <QCryptographicHash>
 namespace rendering {
 
 QList<QPoint> IconGenerator::shapeOne_({QPoint(1, 0),
@@ -34,7 +35,7 @@ IconGenerator::getCategories()
 }
 
 QList<shapes::Shape>
-IconGenerator::getShapes(ColorTheme &theme, QByteArray &hash)
+IconGenerator::getShapes(ColorTheme &theme, QString &hash)
 {
     QList<shapes::Shape> shapes;
     QList<int> usedColorThemeIndexes;
@@ -63,6 +64,7 @@ IconGenerator::getShapes(ColorTheme &theme, QByteArray &hash)
         auto definitionSize = category.getDefinitions().size();
         qDebug() << "definitionSize " << definitionSize;
         auto shape             = category.getDefinitions()[octet % definitionSize];
+        qDebug() << "Shape # " << (octet % definitionSize) ;
         auto positions         = category.getPositions();
         shapes::Shape newShape = {shape, theme[colorThemeIndex], positions, startRotationIndex};
         shapes.append(newShape);
@@ -74,12 +76,13 @@ void
 IconGenerator::generate(Renderer &renderer,
                         Rectangle &rect,
                         IdenticonStyle &style,
-                        QByteArray &hash)
+                        QString &input)
 {
-    auto hue = getHue(hash);
+    auto hue = getHue(input);
 
     qDebug() << "hue" << hue;
     auto colorTheme = ColorTheme(hue, style);
+    QString hash = QString(QCryptographicHash::hash(input.toUtf8(),QCryptographicHash::Sha1).toHex());
 
     RenderBackground(renderer, rect, style, colorTheme, hash);
     RenderForeground(renderer, rect, style, colorTheme, hash);

src/rendering/icongenerator.h

 #ifndef ICONGENERATOR_H
 #define ICONGENERATOR_H
 
+#include <QString>
 #include <QList>
 #include <QtDebug>
 
@@ -38,12 +39,12 @@ private:
 
 protected:
     QList<shapes::ShapeCategory> getCategories();
-    virtual QList<shapes::Shape> getShapes(ColorTheme &theme, QByteArray &hash);
+    virtual QList<shapes::Shape> getShapes(ColorTheme &theme, QString &hash);
     virtual void RenderBackground(Renderer &renderer,
                                   Rectangle rect,
                                   IdenticonStyle &style,
                                   ColorTheme &colorTheme,
-                                  QByteArray &hash)
+                                  QString &hash)
     {
         Q_UNUSED(rect);
         Q_UNUSED(style);
@@ -66,7 +67,7 @@ protected:
                                   Rectangle &rect,
                                   IdenticonStyle &style,
                                   ColorTheme &colorTheme,
-                                  QByteArray &hash)
+                                  QString &hash)
     {
         Q_UNUSED(style);
         // Ensure rect is quadratic and a multiple of the cell count
@@ -97,9 +98,10 @@ protected:
             // renderer.endShape();
         }
     }
-    static int hashQString(const QString &input)
+
+    static uint32_t hashQString(const QString &input)
     {
-        auto hash = 0;
+        uint32_t hash = 0;
 
         for (int i = 0; i < input.length(); i++) {
             hash = input.at(i).digitValue() + ((hash << 5) - hash);
@@ -107,34 +109,27 @@ protected:
 
         return hash;
     }
-    static qreal getHue(QByteArray &hash)
 
+    static qreal getHue(const QString &input)
     {
         // Create a color for the input
-        auto hashInt = hashQString(hash);
+        auto hash = hashQString(input);
         // create a hue value based on the hash of the input.
-        auto userHue = qAbs(hashInt % 360);
+        auto userHue = hash % 360;
         return userHue / 360.0;
     }
 
-    static char getOctet(QByteArray &arr, const int index)
+    static char getOctet(QString &arr, const int index)
     {
-        auto byteIndex = index / 2;
-        auto byteValue = arr.at(byteIndex);
-
-        if (byteIndex * 2 == index) {
-            byteValue = byteValue >> 4;
-        } else {
-            byteValue = byteValue & 0xf;
-        }
-
-        return byteValue;
+        char at =  arr.at(index).toLatin1();
+        char decval = (at >= 'A') ? (at - 'A' + 10) : (at - '0');
+        return decval;
     }
 
 public:
     IconGenerator();
     virtual int cellCount() { return 4; }
-    void generate(Renderer &renderer, Rectangle &rect, IdenticonStyle &style, QByteArray &hash);
+    void generate(Renderer &renderer, Rectangle &rect, IdenticonStyle &style, QString &hash);
     virtual ~IconGenerator() = default;
 };