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oak-editor/app/node/math/math/math.cpp
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2026-01-16 21:22:05 +08:00

128 lines
3.4 KiB
C++

/***
Olive - Non-Linear Video Editor
Copyright (C) 2022 Olive Team
Modifications Copyright (C) 2025 mikesolar
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 "math.h"
namespace olive
{
const QString MathNode::kMethodIn = QStringLiteral("method_in");
const QString MathNode::kParamAIn = QStringLiteral("param_a_in");
const QString MathNode::kParamBIn = QStringLiteral("param_b_in");
const QString MathNode::kParamCIn = QStringLiteral("param_c_in");
#define super MathNodeBase
MathNode::MathNode()
{
AddInput(kMethodIn, NodeValue::kCombo,
InputFlags(kInputFlagNotConnectable | kInputFlagNotKeyframable));
AddInput(kParamAIn, NodeValue::kFloat, 0.0);
SetInputProperty(kParamAIn, QStringLiteral("decimalplaces"), 8);
SetInputProperty(kParamAIn, QStringLiteral("autotrim"), true);
AddInput(kParamBIn, NodeValue::kFloat, 0.0);
SetInputProperty(kParamBIn, QStringLiteral("decimalplaces"), 8);
SetInputProperty(kParamBIn, QStringLiteral("autotrim"), true);
}
QString MathNode::Name() const
{
// Default to naming after the operation
if (parent()) {
QString op_name = GetOperationName(GetOperation());
if (!op_name.isEmpty()) {
return op_name;
}
}
return tr("Math");
}
QString MathNode::id() const
{
return QStringLiteral("org.olivevideoeditor.Olive.math");
}
QVector<Node::CategoryID> MathNode::Category() const
{
return { kCategoryMath };
}
QString MathNode::Description() const
{
return tr("Perform a mathematical operation between two values.");
}
void MathNode::Retranslate()
{
super::Retranslate();
SetInputName(kMethodIn, tr("Method"));
SetInputName(kParamAIn, tr("Value"));
SetInputName(kParamBIn, tr("Value"));
QStringList operations = { GetOperationName(kOpAdd),
GetOperationName(kOpSubtract),
GetOperationName(kOpMultiply),
GetOperationName(kOpDivide),
QString(),
GetOperationName(kOpPower) };
SetComboBoxStrings(kMethodIn, operations);
}
ShaderCode MathNode::GetShaderCode(const ShaderRequest &request) const
{
return GetShaderCodeInternal(request.id, kParamAIn, kParamBIn);
}
void MathNode::Value(const NodeValueRow &value, const NodeGlobals &globals,
NodeValueTable *table) const
{
// Auto-detect what values to operate with
// FIXME: Very inefficient
NodeValueTable at, bt;
at.Push(value[kParamAIn]);
bt.Push(value[kParamBIn]);
PairingCalculator calc(at, bt);
// Do nothing if no pairing was found
if (!calc.FoundMostLikelyPairing()) {
return;
}
return ValueInternal(GetOperation(), calc.GetMostLikelyPairing(), kParamAIn,
calc.GetMostLikelyValueA(), kParamBIn,
calc.GetMostLikelyValueB(), globals, table);
}
void MathNode::ProcessSamples(const NodeValueRow &values,
const SampleBuffer &input, SampleBuffer &output,
int index) const
{
return ProcessSamplesInternal(values, GetOperation(), kParamAIn, kParamBIn,
input, output, index);
}
}