64 lines
1.7 KiB
C++
64 lines
1.7 KiB
C++
#include "opacityeffect.h"
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#include "node/math/math/math.h"
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#include "widget/slider/floatslider.h"
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namespace olive {
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#define super Node
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const QString OpacityEffect::kTextureInput = QStringLiteral("tex_in");
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const QString OpacityEffect::kValueInput = QStringLiteral("opacity_in");
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OpacityEffect::OpacityEffect()
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{
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MathNode *math = new MathNode();
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math->SetOperation(MathNode::kOpMultiply);
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SetNodePositionInContext(math, QPointF(0, 0));
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AddInput(kTextureInput, NodeValue::kTexture, InputFlags(kInputFlagNotKeyframable));
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AddInput(kValueInput, NodeValue::kFloat, 1.0);
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SetInputProperty(kValueInput, QStringLiteral("view"), FloatSlider::kPercentage);
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SetInputProperty(kValueInput, QStringLiteral("min"), 0.0);
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SetInputProperty(kValueInput, QStringLiteral("max"), 1.0);
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SetFlags(kVideoEffect);
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SetEffectInput(kTextureInput);
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}
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void OpacityEffect::Retranslate()
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{
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super::Retranslate();
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SetInputName(kTextureInput, tr("Texture"));
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SetInputName(kValueInput, tr("Opacity"));
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}
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ShaderCode OpacityEffect::GetShaderCode(const ShaderRequest &request) const
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{
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Q_UNUSED(request)
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return ShaderCode(FileFunctions::ReadFileAsString(":/shaders/opacity.frag"));
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}
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void OpacityEffect::Value(const NodeValueRow &value, const NodeGlobals &globals, NodeValueTable *table) const
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{
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ShaderJob job;
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job.Insert(value);
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// If there's no texture, no need to run an operation
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if (job.Get(kTextureInput).toTexture()) {
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if (!qFuzzyCompare(job.Get(kValueInput).toDouble(), 1.0)) {
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table->Push(NodeValue::kTexture, QVariant::fromValue(job), this);
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} else {
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// 1.0 float is a no-op, so just push the texture
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table->Push(job.Get(kTextureInput));
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}
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}
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}
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}
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