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OpenDiablo2/d2common/d2enum/composite_mode.go

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2020-06-30 09:58:53 -04:00
package d2enum
// CompositeMode defines the composite mode
type CompositeMode int
const (
// CompositeModeSourceOver applies a composite based on:
// c_out = c_src + c_dst × (1 - α_src) (Regular alpha blending)
CompositeModeSourceOver CompositeMode = iota + 1
// CompositeModeClear applies a composite based on: c_out = 0
CompositeModeClear
// CompositeModeCopy applies a composite based on: c_out = c_src
CompositeModeCopy
// CompositeModeDestination applies a composite based on: c_out = c_dst
CompositeModeDestination
// CompositeModeDestinationOver applies a composite based on: c_out = c_src × (1 - α_dst) + c_dst
CompositeModeDestinationOver
// CompositeModeSourceIn applies a composite based on: c_out = c_src × α_dst
CompositeModeSourceIn
// CompositeModeDestinationIn applies a composite based on: c_out = c_dst × α_src
CompositeModeDestinationIn
// CompositeModeSourceOut applies a composite based on: c_out = c_src × (1 - α_dst)
CompositeModeSourceOut
// CompositeModeDestinationOut applies a composite based on: c_out = c_dst × (1 - α_src)
CompositeModeDestinationOut
// CompositeModeSourceAtop applies a composite based on: c_out = c_src × α_dst + c_dst × (1 - α_src)
CompositeModeSourceAtop
// CompositeModeDestinationAtop applies a composite based on: c_out = c_src × (1 - α_dst) + c_dst × α_src
CompositeModeDestinationAtop
// CompositeModeXor applies a composite based on: c_out = c_src × (1 - α_dst) + c_dst × (1 - α_src)
CompositeModeXor
// CompositeModeLighter applies a composite based on:
// c_out = c_src + c_dst Sum of source and destination (a.k.a. 'plus' or 'additive')
CompositeModeLighter
)