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oak-editor/app/node/generator/matrix/matrix.cpp
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/***
Olive - Non-Linear Video Editor
Copyright (C) 2019 Olive Team
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 "matrix.h"
#include <QMatrix4x4>
#include <QVector2D>
OLIVE_NAMESPACE_ENTER
MatrixGenerator::MatrixGenerator()
{
position_input_ = new NodeInput("pos_in", NodeParam::kVec2);
AddInput(position_input_);
rotation_input_ = new NodeInput("rot_in", NodeParam::kFloat);
AddInput(rotation_input_);
scale_input_ = new NodeInput("scale_in", NodeParam::kVec2, QVector2D(1.0f, 1.0f));
scale_input_->set_property("min", QVector2D(0, 0));
scale_input_->set_property("view", "percent");
scale_input_->set_property("disabley", true);
AddInput(scale_input_);
uniform_scale_input_ = new NodeInput("uniform_scale_in", NodeParam::kBoolean, true);
uniform_scale_input_->set_is_keyframable(false);
uniform_scale_input_->SetConnectable(false);
connect(uniform_scale_input_, &NodeInput::ValueChanged, this, &MatrixGenerator::UniformScaleChanged);
AddInput(uniform_scale_input_);
anchor_input_ = new NodeInput("anchor_in", NodeParam::kVec2);
AddInput(anchor_input_);
}
Node *MatrixGenerator::copy() const
{
return new MatrixGenerator();
}
QString MatrixGenerator::Name() const
{
return tr("Orthographic Matrix");
}
QString MatrixGenerator::ShortName() const
{
return tr("Ortho");
}
QString MatrixGenerator::id() const
{
return QStringLiteral("org.olivevideoeditor.Olive.transform");
}
QList<Node::CategoryID> MatrixGenerator::Category() const
{
return {kCategoryGenerator, kCategoryMath};
}
QString MatrixGenerator::Description() const
{
return tr("Generate an orthographic matrix using position, rotation, and scale.");
}
void MatrixGenerator::Retranslate()
{
position_input_->set_name(tr("Position"));
rotation_input_->set_name(tr("Rotation"));
scale_input_->set_name(tr("Scale"));
uniform_scale_input_->set_name(tr("Uniform Scale"));
anchor_input_->set_name(tr("Anchor Point"));
}
NodeValueTable MatrixGenerator::Value(NodeValueDatabase &value) const
{
QMatrix4x4 mat;
// Position translate
QVector2D pos = value[position_input_].Get(NodeParam::kVec2).value<QVector2D>();
mat.translate(pos);
// Rotation
mat.rotate(value[rotation_input_].Get(NodeParam::kFloat).toFloat(), 0, 0, 1);
// Scale and Uniform Scale
QVector2D scale = value[scale_input_].Get(NodeParam::kVec2).value<QVector2D>();
if (value[uniform_scale_input_].Get(NodeParam::kBoolean).toBool()) {
scale.setY(scale.x());
}
mat.scale(scale);
// Anchor Point
mat.translate(-value[anchor_input_].Get(NodeParam::kVec2).value<QVector2D>());
// Push matrix output
NodeValueTable output;
output.Push(NodeParam::kMatrix, mat);
return output;
}
void MatrixGenerator::UniformScaleChanged()
{
scale_input_->set_property("disabley", uniform_scale_input_->get_standard_value().toBool());
}
OLIVE_NAMESPACE_EXIT