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Gave CoreControl the ability to shatter parent backgrounds

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This commit is contained in:
Sasha Koshka 2023-04-02 22:46:38 -04:00
parent 46a4858597
commit 2d0a0cc073
2 changed files with 19 additions and 5 deletions
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10
elements/containers/container.go
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@ -4,7 +4,6 @@ import "image"
import "git.tebibyte.media/sashakoshka/tomo"
import "git.tebibyte.media/sashakoshka/tomo/input"
import "git.tebibyte.media/sashakoshka/tomo/canvas"
import "git.tebibyte.media/sashakoshka/tomo/artist"
import "git.tebibyte.media/sashakoshka/tomo/elements/core"
import "git.tebibyte.media/sashakoshka/tomo/default/theme"
import "git.tebibyte.media/sashakoshka/tomo/default/config"
@ -189,10 +188,11 @@ func (element *Container) redoAll () {
for index, entry := range element.children {
rocks[index] = entry.Bounds
}
pattern := element.theme.Pattern (
tomo.PatternBackground,
tomo.State { })
artist.DrawShatter(element.core, pattern, element.Bounds(), rocks...)
element.core.DrawBackgroundBoundsShatter (
element.theme.Pattern(tomo.PatternBackground, tomo.State { }),
element.Bounds(),
rocks...)
// cut our canvas up and give peices to child elements
for _, entry := range element.children {

14
elements/core/core.go
View File

@ -5,6 +5,7 @@ import "image/color"
import "git.tebibyte.media/sashakoshka/tomo"
import "git.tebibyte.media/sashakoshka/tomo/canvas"
import "git.tebibyte.media/sashakoshka/tomo/artist"
import "git.tebibyte.media/sashakoshka/tomo/shatter"
// Core is a struct that implements some core functionality common to most
// widgets. It is meant to be embedded directly into a struct.
@ -144,6 +145,19 @@ func (control CoreControl) DrawBackgroundBounds (
}
}
// DrawBackgroundBoundsShatter is like DrawBackgroundBounds, but uses the
// shattering algorithm to avoid drawing in areas specified by rocks.
func (control CoreControl) DrawBackgroundBoundsShatter (
fallback artist.Pattern,
bounds image.Rectangle,
rocks ...image.Rectangle,
) {
tiles := shatter.Shatter(bounds, rocks...)
for _, tile := range tiles {
control.DrawBackgroundBounds(fallback, tile)
}
}
// Window returns the window containing the element.
func (control CoreControl) Window () tomo.Window {
parent := control.Parent()