Initial commit for Qt Lottie!

This implements a QML API to display graphics and animations
exported by the Bodymovin plugin in AfterEffects.

Done-by: Kari Hautamäki <kari.hautamaki@qt.io>
Change-Id: Idbcfc5c947e97c1a5a70947a262fe1be17de7504
Reviewed-by: Eirik Aavitsland <eirik.aavitsland@qt.io>

1 files changed, 105 insertions, 0 deletions

diff --git a/src/bodymovin/bmpathtrimmer.cpp b/src/bodymovin/bmpathtrimmer.cpp
new file mode 100644
index 0000000..c34a67f
--- /dev/null
+++ b/src/bodymovin/bmpathtrimmer.cpp
@@ -0,0 +1,105 @@
+/****************************************************************************
+**
+** Copyright (C) 2018 The Qt Company Ltd.
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the lottie-qt module of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:GPL$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 3 or (at your option) any later version
+** approved by the KDE Free Qt Foundation. The licenses are as published by
+** the Free Software Foundation and appearing in the file LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-3.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "bmpathtrimmer_p.h"
+
+#include "bmtrimpath_p.h"
+#include "lottierenderer_p.h"
+
+#include <QPainterPath>
+
+QT_BEGIN_NAMESPACE
+
+BMPathTrimmer::BMPathTrimmer(BMBase *root)
+    : m_root(root)
+{
+    Q_ASSERT(m_root);
+}
+
+void BMPathTrimmer::addTrim(BMTrimPath* trim)
+{
+    if (!trim)
+        return;
+
+    m_trimPaths.append(trim);
+
+    if (!m_appliedTrim)
+        m_appliedTrim = trim;
+    else
+        qCWarning(lcLottieQtBodymovinParser)
+            << "BM Shape Layer: more than one trim path found on the layer."
+            << "Only one (the first encountered) is supported";
+}
+
+bool BMPathTrimmer::inUse() const
+{
+    return !m_trimPaths.isEmpty();
+}
+
+void BMPathTrimmer::applyTrim(BMShape *shape)
+{
+    if (!m_appliedTrim)
+        return;
+    shape->applyTrim(*m_appliedTrim);
+}
+
+void BMPathTrimmer::updateProperties(int frame)
+{
+    QPainterPath unifiedPath;
+
+    if (m_appliedTrim)
+        m_appliedTrim->updateProperties(frame);
+
+//    for (BMBase *child : m_root->children()) {
+//        // TODO: Create a better system for recognizing types
+//        if (child->type() >= 1000)
+//            continue;
+
+//        BMShape *shape = static_cast<BMShape*>(child);
+
+//        // TODO: Get a better way to inherit trimming
+//        if (shape->type() == BM_SHAPE_GROUP_IX && m_appliedTrim)
+//            shape->applyTrim(*m_appliedTrim);
+
+//        shape->updateProperties(frame);
+
+//        if (m_appliedTrim && shape->acceptsTrim())
+//            shape->applyTrim(*m_appliedTrim);
+//    }
+}
+
+void BMPathTrimmer::render(LottieRenderer &renderer) const
+{
+    Q_UNUSED(renderer);
+//    if (m_appliedTrim) {
+//        renderer.render(*m_appliedTrim);
+//    }
+}
+
+QT_END_NAMESPACE