mirror of
https://github.com/hajimehoshi/ebiten.git
synced 2024-11-10 04:57:26 +01:00
114 lines
3.2 KiB
Go
114 lines
3.2 KiB
Go
// Copyright 2023 The Ebitengine Authors
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
//
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
package ebiten
|
|
|
|
import (
|
|
"fmt"
|
|
)
|
|
|
|
// CompositeMode represents Porter-Duff composition mode.
|
|
//
|
|
// Deprecated: as of v2.5. Use Blend instead.
|
|
type CompositeMode int
|
|
|
|
const (
|
|
// CompositeModeCustom indicates to refer Blend.
|
|
CompositeModeCustom CompositeMode = iota
|
|
|
|
// Deprecated: as of v2.5. Use BlendSourceOver instead.
|
|
CompositeModeSourceOver
|
|
|
|
// Deprecated: as of v2.5. Use BlendClear instead.
|
|
CompositeModeClear
|
|
|
|
// Deprecated: as of v2.5. Use BlendCopy instead.
|
|
CompositeModeCopy
|
|
|
|
// Deprecated: as of v2.5. Use BlendDestination instead.
|
|
CompositeModeDestination
|
|
|
|
// Deprecated: as of v2.5. Use BlendDestinationOver instead.
|
|
CompositeModeDestinationOver
|
|
|
|
// Deprecated: as of v2.5. Use BlendSourceIn instead.
|
|
CompositeModeSourceIn
|
|
|
|
// Deprecated: as of v2.5. Use BlendDestinationIn instead.
|
|
CompositeModeDestinationIn
|
|
|
|
// Deprecated: as of v2.5. Use BlendSourceOut instead.
|
|
CompositeModeSourceOut
|
|
|
|
// Deprecated: as of v2.5. Use BlendDestinationOut instead.
|
|
CompositeModeDestinationOut
|
|
|
|
// Deprecated: as of v2.5. Use BlendSourceAtop instead.
|
|
CompositeModeSourceAtop
|
|
|
|
// Deprecated: as of v2.5. Use BlendDestinationAtop instead.
|
|
CompositeModeDestinationAtop
|
|
|
|
// Deprecated: as of v2.5. Use BlendXor instead.
|
|
CompositeModeXor
|
|
|
|
// Deprecated: as of v2.5. Use BlendLighter instead.
|
|
CompositeModeLighter
|
|
|
|
// Deprecated: as of v2.5. Use Blend with BlendFactorDestinationColor and BlendFactorZero instead.
|
|
CompositeModeMultiply
|
|
)
|
|
|
|
func (c CompositeMode) blend() Blend {
|
|
switch c {
|
|
case CompositeModeSourceOver:
|
|
return BlendSourceOver
|
|
case CompositeModeClear:
|
|
return BlendClear
|
|
case CompositeModeCopy:
|
|
return BlendCopy
|
|
case CompositeModeDestination:
|
|
return BlendDestination
|
|
case CompositeModeDestinationOver:
|
|
return BlendDestinationOver
|
|
case CompositeModeSourceIn:
|
|
return BlendSourceIn
|
|
case CompositeModeDestinationIn:
|
|
return BlendDestinationIn
|
|
case CompositeModeSourceOut:
|
|
return BlendSourceOut
|
|
case CompositeModeDestinationOut:
|
|
return BlendDestinationOut
|
|
case CompositeModeSourceAtop:
|
|
return BlendSourceAtop
|
|
case CompositeModeDestinationAtop:
|
|
return BlendDestinationAtop
|
|
case CompositeModeXor:
|
|
return BlendXor
|
|
case CompositeModeLighter:
|
|
return BlendLighter
|
|
case CompositeModeMultiply:
|
|
return Blend{
|
|
BlendFactorSourceRGB: BlendFactorDestinationColor,
|
|
BlendFactorSourceAlpha: BlendFactorDestinationColor,
|
|
BlendFactorDestinationRGB: BlendFactorZero,
|
|
BlendFactorDestinationAlpha: BlendFactorZero,
|
|
BlendOperationRGB: BlendOperationAdd,
|
|
BlendOperationAlpha: BlendOperationAdd,
|
|
}
|
|
default:
|
|
panic(fmt.Sprintf("ebiten: invalid composite mode: %d", c))
|
|
}
|
|
}
|