Add patterns to the titler widget

src/titler/CMakeLists.txt

@@ -5,5 +5,6 @@ set(kdenlive_SRCS
   titler/gradientwidget.cpp
   titler/graphicsscenerectmove.cpp
   titler/unicodedialog.cpp
+  titler/patternsmodel.cpp
   PARENT_SCOPE)
 

src/titler/patternsmodel.cpp

+/*
+ * Kdenlive TitleClip Pattern
+ * Copyright (C) 2020  Rafał Lalik <rafallalik@gmail.com>
+ * 
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "patternsmodel.h"
+#include "titledocument.h"
+
+#include <QGraphicsItem>
+#include <QGraphicsScene>
+#include <QPainter>
+
+
+PatternsModel::PatternsModel(QObject *parent) : QAbstractListModel(parent)
+{
+}
+
+QVariant PatternsModel::data(const QModelIndex& index, int role) const
+{
+    if (!index.isValid())
+        return QVariant();
+
+    if (role == Qt::DecorationRole)
+        return pixmaps[index.row()].scaled(m_tileSize, Qt::KeepAspectRatio, Qt::SmoothTransformation);
+    else if (role == Qt::SizeHintRole)
+        return m_tileSize;
+    else if (role == Qt::UserRole)
+        return patterns.value(index.row());
+
+    return QVariant();
+}
+
+int PatternsModel::rowCount(const QModelIndex& parent) const
+{
+    return parent.isValid() ? 0 : patterns.size();
+}
+
+void PatternsModel::addScene(const QString & pattern)
+{
+    int row = patterns.size();
+    beginInsertRows(QModelIndex(), row, row);
+
+    patterns.append(pattern);
+    pixmaps.append(paintScene(pattern));
+    ++modified_counter;
+
+    endInsertRows();
+}
+
+QPixmap PatternsModel::paintScene(const QString & pattern)
+{
+    QDomDocument doc;
+    doc.setContent(pattern);
+
+    QList<QGraphicsItem *> items;
+    int width, height, duration, missing;
+    TitleDocument::loadFromXml(doc, items, width, height, nullptr, nullptr, &duration, missing);
+
+    QGraphicsScene scene(0, 0, width, height);
+
+    if (bkg) {
+        QGraphicsPixmapItem * bkg_frame = new QGraphicsPixmapItem();
+        bkg_frame->setTransform(bkg->transform());
+        bkg_frame->setZValue(bkg->zValue());
+        bkg_frame->setPixmap(bkg->pixmap());
+        scene.addItem(bkg_frame);
+    }
+    for (QGraphicsItem *item : qAsConst(items)) {
+        scene.addItem(item);
+    }
+
+    QPixmap pxm(width, height);
+    QPainter painter(&pxm);
+    painter.setRenderHint(QPainter::Antialiasing);
+    scene.render(&painter);
+
+    return pxm;
+}
+
+void PatternsModel::repaintScenes()
+{
+    for (int i = 0; i < patterns.size(); ++i) {
+        pixmaps[i] = paintScene(patterns[i]);
+    }
+
+    emit dataChanged(index(0), index(patterns.size()-1));
+}
+
+void PatternsModel::removeScene(const QModelIndex & index)
+{
+    beginRemoveRows(QModelIndex(), index.row(), index.row());
+
+    patterns.remove(index.row());
+    pixmaps.remove(index.row());
+
+    ++modified_counter;
+
+    endRemoveRows();
+}
+
+void PatternsModel::removeAll()
+{
+    beginRemoveRows(QModelIndex(), 0, patterns.size()-1);
+
+    patterns.clear();
+    pixmaps.clear();
+
+    ++modified_counter;
+
+    endRemoveRows();
+}
+
+QByteArray PatternsModel::serialize()
+{
+    QByteArray encodedData;
+    QDataStream stream(&encodedData, QIODevice::WriteOnly);
+
+    for (auto p : patterns) {
+        stream << p;
+    }
+    modified_counter = 0;
+
+    return encodedData;
+}
+
+void PatternsModel::deserialize(const QByteArray& data)
+{
+    removeAll();
+
+    QByteArray ba = data;
+    QDataStream stream(&ba, QIODevice::ReadOnly);
+    while (!stream.atEnd()) {
+        QString p;
+        stream >> p;
+        addScene(p);
+    }
+    modified_counter = 0;
+}

src/titler/patternsmodel.h

+/*
+ * Kdenlive TitleClip Pattern
+ * Copyright (C) 2020  Rafał Lalik <rafallalik@gmail.com>
+ * 
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ * 
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef PATTERNSMODEL_H
+#define PATTERNSMODEL_H
+
+#include <QAbstractListModel>
+#include <QSize>
+
+class QGraphicsItem;
+class QGraphicsPixmapItem;
+
+/**
+ * @todo write docs
+ */
+class PatternsModel : public QAbstractListModel
+{
+public:
+    /**
+     * Default constructor
+     */
+    explicit PatternsModel(QObject *parent = nullptr);
+
+    virtual QVariant data(const QModelIndex& index, int role) const override;
+    virtual int rowCount(const QModelIndex& parent) const override;
+
+    /**
+     * @brief Change size of the image to be displayed in the list
+     * @param size tile size
+     */
+    virtual void setTileSize(const QSize & size) { m_tileSize = size; }
+
+    /**
+     * @brief Set background for the list tiles. Should be called with TitleWidget::m_frameImage as parameter.
+     * @param pxm background pixmap 
+     */
+    virtual void setBackgroundPixmap(QGraphicsPixmapItem * pxm) { bkg = pxm; }
+
+    /**
+     * @brief Add new xml pattern to the model
+     * @param pattern the xml from TitleWidget::xml() containing items.
+     */
+    virtual void addScene(const QString & pattern);
+
+    /**
+     * @brief Serialzie all patterns
+     * @reurn byte QByteArray
+     */
+    virtual QByteArray serialize();
+    /**
+     * @brief Deserialize byte array with patterns
+     * @param data data
+     */
+    virtual void deserialize(const QByteArray & data);
+
+    /**
+     * @brief Return number of modification. Counter is incremented after each addScene() and removeScene() call. Is cleared after serialize() and deserialize() is called.
+     * @return number of modifications
+     */
+    int getModifiedCounter() const { return modified_counter; }
+
+    /**
+     * @brief Repaint all scenes. Usefull when e.g. background was changed.
+     */
+    virtual void repaintScenes();
+
+private:
+    /**
+     * @brief paint scene for given pattern
+     * @param pattern xml pattern
+     * @return rendered pixmap
+     */
+    virtual QPixmap paintScene(const QString & pattern);
+
+public slots:
+    /**
+     * @brief Remove scene.
+     * @param index scene index
+     */
+    virtual void removeScene(const QModelIndex & index);
+
+    /**
+     * @brief Remove all scenes
+     */
+    virtual void removeAll();
+
+private:
+    QVector<QString> patterns;
+    QVector<QPixmap> pixmaps;
+    QGraphicsPixmapItem * bkg{nullptr};
+    int modified_counter{0};
+
+    QSize m_tileSize{QSize(16,9)};
+};
+
+#endif // PATTERNSMODEL_H

src/titler/titledocument.cpp

@@ -15,6 +15,12 @@
  *                                                                         *
  ***************************************************************************/
 
+/***************************************************************************
+ *                                                                         *
+ *   Modifications by Rafał Lalik to implement Patterns mechanism          *
+ *                                                                         *
+ ***************************************************************************/
+
 #include "titledocument.h"
 #include "gradientwidget.h"
 
@@ -78,7 +84,7 @@ void TitleDocument::setScene(QGraphicsScene *_scene, int width, int height)
     m_height = height;
 }
 
-int TitleDocument::base64ToUrl(QGraphicsItem *item, QDomElement &content, bool embed)
+int TitleDocument::base64ToUrl(QGraphicsItem *item, QDomElement &content, bool embed, const QString & pojectPath)
 {
     if (embed) {
         if (!item->data(Qt::UserRole + 1).toString().isEmpty()) {
@@ -92,8 +98,8 @@ int TitleDocument::base64ToUrl(QGraphicsItem *item, QDomElement &content, bool e
         QString base64 = item->data(Qt::UserRole + 1).toString();
         if (!base64.isEmpty()) {
             QString titlePath;
-            if (!m_projectPath.isEmpty()) {
-                titlePath = m_projectPath;
+            if (!pojectPath.isEmpty()) {
+                titlePath = pojectPath;
             } else {
                 titlePath = QStringLiteral("/tmp/titles");
             }
@@ -126,12 +132,17 @@ const QString TitleDocument::extractBase64Image(const QString &titlePath, const
 }
 
 QDomDocument TitleDocument::xml(QGraphicsRectItem *startv, QGraphicsRectItem *endv, bool embed)
+{
+    return xml(m_scene->items(), m_width, m_height, startv, endv, embed, m_projectPath);
+}
+
+QDomDocument TitleDocument::xml(const QList<QGraphicsItem *> & items, int width, int height, QGraphicsRectItem *startv, QGraphicsRectItem *endv, bool embed, const QString & projectPath)
 {
     QDomDocument doc;
 
     QDomElement main = doc.createElement(QStringLiteral("kdenlivetitle"));
-    main.setAttribute(QStringLiteral("width"), m_width);
-    main.setAttribute(QStringLiteral("height"), m_height);
+    main.setAttribute(QStringLiteral("width"), width);
+    main.setAttribute(QStringLiteral("height"), height);
 
     // Save locale. Since 20.08, we always use the C locale for serialising.
     main.setAttribute(QStringLiteral("LC_NUMERIC"), "C");
@@ -139,7 +150,7 @@ QDomDocument TitleDocument::xml(QGraphicsRectItem *startv, QGraphicsRectItem *en
     QTextCursor cur;
     QTextBlockFormat format;
 
-    for (QGraphicsItem *item : m_scene->items()) {
+    for (QGraphicsItem *item : items) {
         if (!(item->flags() & QGraphicsItem::ItemIsSelectable)) {
             continue;
         }
@@ -154,12 +165,12 @@ QDomDocument TitleDocument::xml(QGraphicsRectItem *startv, QGraphicsRectItem *en
         case 7:
             e.setAttribute(QStringLiteral("type"), QStringLiteral("QGraphicsPixmapItem"));
             content.setAttribute(QStringLiteral("url"), item->data(Qt::UserRole).toString());
-            base64ToUrl(item, content, embed);
+            base64ToUrl(item, content, embed, projectPath);
             break;
         case 13:
             e.setAttribute(QStringLiteral("type"), QStringLiteral("QGraphicsSvgItem"));
             content.setAttribute(QStringLiteral("url"), item->data(Qt::UserRole).toString());
-            base64ToUrl(item, content, embed);
+            base64ToUrl(item, content, embed, projectPath);
             break;
         case 3:
             e.setAttribute(QStringLiteral("type"), QStringLiteral("QGraphicsRectItem"));
@@ -204,7 +215,7 @@ QDomDocument TitleDocument::xml(QGraphicsRectItem *startv, QGraphicsRectItem *en
                 if (t->alignment() == Qt::AlignHCenter) {
                     // grow dimensions on both sides
                     double xcenter = item->pos().x() + (t->baseBoundingRect().width()) / 2;
-                    double offset = qMin(xcenter, m_width - xcenter);
+                    double offset = qMin(xcenter, width - xcenter);
                     xPosition = xcenter - offset;
                     content.setAttribute(QStringLiteral("box-width"), QString::number(2 * offset));
                 } else if (t->alignment() == Qt::AlignRight) {
@@ -214,7 +225,7 @@ QDomDocument TitleDocument::xml(QGraphicsRectItem *startv, QGraphicsRectItem *en
                     content.setAttribute(QStringLiteral("box-width"), QString::number(offset));
                 } else {
                     // left align, grow on right side
-                    double offset = m_width - item->pos().x();
+                    double offset = width - item->pos().x();
                     content.setAttribute(QStringLiteral("box-width"), QString::number(offset));
                 }
             } else {
@@ -306,7 +317,7 @@ QDomDocument TitleDocument::xml(QGraphicsRectItem *startv, QGraphicsRectItem *en
         main.appendChild(endport);
     }
     QDomElement backgr = doc.createElement(QStringLiteral("background"));
-    QColor color = getBackgroundColor();
+    QColor color = getBackgroundColor(items);
     backgr.setAttribute(QStringLiteral("color"), colorToString(color));
     main.appendChild(backgr);
 
@@ -319,12 +330,20 @@ QColor TitleDocument::getBackgroundColor() const
 {
     QColor color(0, 0, 0, 0);
     if (m_scene) {
-        QList<QGraphicsItem *> items = m_scene->items();
-        for (auto item : qAsConst(items)) {
-            if ((int)item->zValue() == -1100) {
-                color = static_cast<QGraphicsRectItem *>(item)->brush().color();
-                return color;
-            }
+        return getBackgroundColor(m_scene->items());
+    }
+    return color;
+}
+
+/** \brief Get the background color (incl. alpha) from list of items, if possibly
+ * \returns The background color of the document, inclusive alpha. If none found, returns (0,0,0,0) */
+QColor TitleDocument::getBackgroundColor(const QList<QGraphicsItem *> & items)
+{
+    QColor color(0, 0, 0, 0);
+    for (auto item : qAsConst(items)) {
+        if ((int)item->zValue() == -1100) {
+            color = static_cast<QGraphicsRectItem *>(item)->brush().color();
+            return color;
         }
     }
     return color;
@@ -364,18 +383,37 @@ bool TitleDocument::saveDocument(const QUrl &url, QGraphicsRectItem *startv, QGr
 int TitleDocument::loadFromXml(const QDomDocument &doc, QGraphicsRectItem *startv, QGraphicsRectItem *endv, int *duration, const QString &projectpath)
 {
     m_projectPath = projectpath;
-    m_missingElements = 0;
+
+    QList<QGraphicsItem *> items;
+    int width, height;
+    int res = loadFromXml(doc, items, width, height, startv, endv, duration, m_missingElements);
+
+    if (m_width != width || m_height != height) {
+        KMessageBox::information(QApplication::activeWindow(), i18n("This title clip was created with a different frame size."), i18n("Title Profile"));
+        // TODO: convert using QTransform
+        m_width = width;
+        m_height = height;
+    }
+
+    for (auto i : items) {
+        m_scene->addItem(i);
+    }
+    return res;
+}
+
+int TitleDocument::loadFromXml(const QDomDocument &doc, QList<QGraphicsItem *> & gitems, int & width, int & height, QGraphicsRectItem *startv, QGraphicsRectItem *endv, int *duration, int & missingElements)
+{
+    for (auto * i : gitems) {
+        delete i;
+    }
+    gitems.clear();
+
+    missingElements = 0;
     QDomNodeList titles = doc.elementsByTagName(QStringLiteral("kdenlivetitle"));
     // TODO: Check if the opened title size is equal to project size, otherwise warn user and rescale
     if (doc.documentElement().hasAttribute(QStringLiteral("width")) && doc.documentElement().hasAttribute(QStringLiteral("height"))) {
-        int doc_width = doc.documentElement().attribute(QStringLiteral("width")).toInt();
-        int doc_height = doc.documentElement().attribute(QStringLiteral("height")).toInt();
-        if (doc_width != m_width || doc_height != m_height) {
-            KMessageBox::information(QApplication::activeWindow(), i18n("This title clip was created with a different frame size."), i18n("Title Profile"));
-            // TODO: convert using QTransform
-            m_width = doc_width;
-            m_height = doc_height;
-        }
+        width = doc.documentElement().attribute(QStringLiteral("width")).toInt();
+        height = doc.documentElement().attribute(QStringLiteral("height")).toInt();
     } else {
         // Document has no size info, it is likely an old version title, so ignore viewport data
         QDomNodeList viewportlist = doc.documentElement().elementsByTagName(QStringLiteral("startviewport"));
@@ -436,7 +474,7 @@ int TitleDocument::loadFromXml(const QDomDocument &doc, QGraphicsRectItem *start
                     font.setLetterSpacing(QFont::AbsoluteSpacing, txtProperties.namedItem(QStringLiteral("letter-spacing")).nodeValue().toInt());
                     QColor col(stringToColor(txtProperties.namedItem(QStringLiteral("font-color")).nodeValue()));
                     MyTextItem *txt = new MyTextItem(itemNode.namedItem(QStringLiteral("content")).firstChild().nodeValue(), nullptr);
-                    m_scene->addItem(txt);
+                    gitems.append(txt);
                     txt->setFont(font);
                     txt->setTextInteractionFlags(Qt::NoTextInteraction);
                     QTextCursor cursor(txt->document());
@@ -528,7 +566,7 @@ int TitleDocument::loadFromXml(const QDomDocument &doc, QGraphicsRectItem *start
                     } else {
                         rec->setBrush(QBrush(stringToColor(br_str)));
                     }
-                    m_scene->addItem(rec);
+                    gitems.append(rec);
 
                     gitem = rec;
                 } else if (itemNode.attributes().namedItem(QStringLiteral("type")).nodeValue() == QLatin1String("QGraphicsPixmapItem")) {
@@ -539,8 +577,8 @@ int TitleDocument::loadFromXml(const QDomDocument &doc, QGraphicsRectItem *start
                     if (base64.isEmpty()) {
                         pix.load(url);
                         if (pix.isNull()) {
-                            pix = createInvalidPixmap(url);
-                            m_missingElements++;
+                            pix = createInvalidPixmap(url, height);
+                            missingElements++;
                             missing = true;
                         }
                     } else {
@@ -550,7 +588,7 @@ int TitleDocument::loadFromXml(const QDomDocument &doc, QGraphicsRectItem *start
                     if (missing) {
                         rec->setData(Qt::UserRole + 2, 1);
                     }
-                    m_scene->addItem(rec);
+                    gitems.append(rec);
                     rec->setShapeMode(QGraphicsPixmapItem::BoundingRectShape);
                     rec->setData(Qt::UserRole, url);
                     if (!base64.isEmpty()) {
@@ -573,18 +611,18 @@ int TitleDocument::loadFromXml(const QDomDocument &doc, QGraphicsRectItem *start
                         // QRectF bounds = renderer->boundsOnElement(elem);
                     }
                     if (rec) {
-                        m_scene->addItem(rec);
+                        gitems.append(rec);
                         rec->setData(Qt::UserRole, url);
                         if (!base64.isEmpty()) {
                             rec->setData(Qt::UserRole + 1, base64);
                         }
                         gitem = rec;
                     } else {
-                        QPixmap pix = createInvalidPixmap(url);
-                        m_missingElements++;
+                        QPixmap pix = createInvalidPixmap(url, height);
+                        missingElements++;
                         auto *rec2 = new MyPixmapItem(pix);
                         rec2->setData(Qt::UserRole + 2, 1);
-                        m_scene->addItem(rec2);
+                        gitems.append(rec2);
                         rec2->setShapeMode(QGraphicsPixmapItem::BoundingRectShape);
                         rec2->setData(Qt::UserRole, url);
                         gitem = rec2;
@@ -632,8 +670,7 @@ int TitleDocument::loadFromXml(const QDomDocument &doc, QGraphicsRectItem *start
                 // qCDebug(KDENLIVE_LOG) << items.item(i).attributes().namedItem("color").nodeValue();
                 QColor color = QColor(stringToColor(itemNode.attributes().namedItem(QStringLiteral("color")).nodeValue()));
                 // color.setAlpha(itemNode.attributes().namedItem("alpha").nodeValue().toInt());
-                QList<QGraphicsItem *> sceneItems = m_scene->items();
-                for (auto sceneItem : qAsConst(sceneItems)) {
+                for (auto sceneItem : qAsConst(gitems)) {
                     if ((int)sceneItem->zValue() == -1100) {
                         static_cast<QGraphicsRectItem *>(sceneItem)->setBrush(QBrush(color));
                         break;
@@ -660,9 +697,9 @@ int TitleDocument::invalidCount() const
     return m_missingElements;
 }
 
-QPixmap TitleDocument::createInvalidPixmap(const QString &url)
+QPixmap TitleDocument::createInvalidPixmap(const QString &url, int height)
 {
-    int missingHeight = m_height / 10;
+    int missingHeight = height / 10;
     QPixmap pix(missingHeight, missingHeight);
     QIcon icon = QIcon::fromTheme(QStringLiteral("messagebox_warning"));
     pix.fill(QColor(255, 0, 0, 50));

src/titler/titledocument.h

@@ -14,6 +14,13 @@
  *   (at your option) any later version.                                   *
  *                                                                         *
  ***************************************************************************/
+
+/***************************************************************************
+ *                                                                         *
+ *   Modifications by Rafał Lalik to implement Patterns mechanism          *
+ *                                                                         *
+ ***************************************************************************/
+
 #ifndef TITLEDOCUMENT_H
 #define TITLEDOCUMENT_H
 
@@ -36,11 +43,16 @@ public:
     enum TitleProperties { OutlineWidth = 101, OutlineColor, LineSpacing, Gradient, RotateFactor, ZoomFactor };
     void setScene(QGraphicsScene *scene, int width, int height);
     bool saveDocument(const QUrl &url, QGraphicsRectItem *startv, QGraphicsRectItem *endv, int duration, bool embed_images = false);
+    /** @brief Save XML for this title. It calls static version fo the function.
+     */
     QDomDocument xml(QGraphicsRectItem *startv, QGraphicsRectItem *endv, bool embed_images = false);
+    /** @brief Load XML for this title. It calls static version fo the function.
+     */
     int loadFromXml(const QDomDocument &doc, QGraphicsRectItem *startv, QGraphicsRectItem *endv, int *duration, const QString &projectpath = QString());
     /** \brief Get the background color (incl. alpha) from the document, if possibly
      * \returns The background color of the document, inclusive alpha. If none found, returns (0,0,0,0) */
     QColor getBackgroundColor() const;
+    static QColor getBackgroundColor(const QList<QGraphicsItem *> & items);
     int frameWidth() const;
     int frameHeight() const;
     /** \brief Extract embedded images in project titles folder. */
@@ -51,20 +63,30 @@ public:
     enum ItemOrigin { OriginXLeft = 0, OriginYTop = 1 };
     enum AxisPosition { AxisDefault = 0, AxisInverted = 1 };
 
+    /**
+     * @brief General static function to store items in xml format.
+     */
+    static QDomDocument xml(const QList<QGraphicsItem *> & items, int width, int height, QGraphicsRectItem *startv, QGraphicsRectItem *endv, bool embed_images = false, const QString & projectPath = QString());
+
+    /**
+     * @brief General static function to load items into list from a xml file.
+     */
+    static int loadFromXml(const QDomDocument &doc, QList<QGraphicsItem *> & gitems, int & width, int & height, QGraphicsRectItem *startv, QGraphicsRectItem *endv, int *duration, int & missingElements);
+
 private:
     QGraphicsScene *m_scene;
     QString m_projectPath;
     int m_missingElements;
     int m_width;
     int m_height;
-    QString colorToString(const QColor &);
-    QString rectFToString(const QRectF &);
-    QRectF stringToRect(const QString &);
-    QColor stringToColor(const QString &);
-    QTransform stringToTransform(const QString &);
-    QList<QVariant> stringToList(const QString &);
-    int base64ToUrl(QGraphicsItem *item, QDomElement &content, bool embed);
-    QPixmap createInvalidPixmap(const QString &url);
+    static QString colorToString(const QColor &);
+    static QString rectFToString(const QRectF &);
+    static QRectF stringToRect(const QString &);
+    static QColor stringToColor(const QString &);
+    static QTransform stringToTransform(const QString &);
+    static QList<QVariant> stringToList(const QString &);
+    static int base64ToUrl(QGraphicsItem *item, QDomElement &content, bool embed, const QString & pojectPath);
+    static QPixmap createInvalidPixmap(const QString &url, int height);
 };
 
 #endif

src/titler/titlewidget.cpp

@@ -14,6 +14,11 @@
  *   (at your option) any later version.                                   *
  *                                                                         *
  ***************************************************************************/
+/***************************************************************************
+ *                                                                         *
+ *   Modifications by Rafał Lalik to implement Patterns mechanism          *
+ *                                                                         *
+ ***************************************************************************/
 
 #include "titlewidget.h"
 #include "core.h"
@@ -22,6 +27,8 @@
 #include "gradientwidget.h"
 #include "kdenlivesettings.h"