Files
gio/internal/opconst/ops.go
T
Elias Naur b8bdb96d35 op/clip,gpu,internal/opconst: remove quad count from Path op
The check for path segments in gpu is redundant; clip.Op.Add doesn't add
the Path op if there were no segments.

Signed-off-by: Elias Naur <mail@eliasnaur.com>
2021-03-11 18:19:31 +01:00

123 lines
2.4 KiB
Go

// SPDX-License-Identifier: Unlicense OR MIT
package opconst
type OpType byte
// Start at a high number for easier debugging.
const firstOpIndex = 200
const (
TypeMacro OpType = iota + firstOpIndex
TypeCall
TypeDefer
TypeTransform
TypeInvalidate
TypeImage
TypePaint
TypeColor
TypeLinearGradient
TypeArea
TypePointerInput
TypePass
TypeClipboardRead
TypeClipboardWrite
TypeKeyInput
TypeKeyFocus
TypeKeySoftKeyboard
TypeSave
TypeLoad
TypeAux
TypeClip
TypeProfile
TypeCursor
TypePath
TypeStroke
TypeDash
)
const (
TypeMacroLen = 1 + 4 + 4
TypeCallLen = 1 + 4 + 4
TypeDeferLen = 1
TypeTransformLen = 1 + 4*6
TypeRedrawLen = 1 + 8
TypeImageLen = 1
TypePaintLen = 1
TypeColorLen = 1 + 4
TypeLinearGradientLen = 1 + 8*2 + 4*2
TypeAreaLen = 1 + 1 + 4*4
TypePointerInputLen = 1 + 1 + 1
TypePassLen = 1 + 1
TypeClipboardReadLen = 1
TypeClipboardWriteLen = 1
TypeKeyInputLen = 1
TypeKeyFocusLen = 1
TypeKeySoftKeyboardLen = 1 + 1
TypeSaveLen = 1 + 4
TypeLoadLen = 1 + 1 + 4
TypeAuxLen = 1
TypeClipLen = 1 + 4*4 + 1
TypeProfileLen = 1
TypeCursorLen = 1 + 1
TypePathLen = 1
TypeStrokeLen = 1 + 4 + 4 + 1 + 1
TypeDashLen = 1 + 4 + 1
)
// StateMask is a bitmask of state types a load operation
// should restore.
type StateMask uint8
const (
TransformState StateMask = 1 << iota
AllState = ^StateMask(0)
)
// InitialStateID is the ID for saving and loading
// the initial operation state.
const InitialStateID = 0
func (t OpType) Size() int {
return [...]int{
TypeMacroLen,
TypeCallLen,
TypeDeferLen,
TypeTransformLen,
TypeRedrawLen,
TypeImageLen,
TypePaintLen,
TypeColorLen,
TypeLinearGradientLen,
TypeAreaLen,
TypePointerInputLen,
TypePassLen,
TypeClipboardReadLen,
TypeClipboardWriteLen,
TypeKeyInputLen,
TypeKeyFocusLen,
TypeKeySoftKeyboardLen,
TypeSaveLen,
TypeLoadLen,
TypeAuxLen,
TypeClipLen,
TypeProfileLen,
TypeCursorLen,
TypePathLen,
TypeStrokeLen,
TypeDashLen,
}[t-firstOpIndex]
}
func (t OpType) NumRefs() int {
switch t {
case TypeKeyInput, TypeKeyFocus, TypePointerInput, TypeProfile, TypeCall, TypeClipboardRead, TypeClipboardWrite, TypeCursor:
return 1
case TypeImage:
return 2
default:
return 0
}
}