Leak_Technologies/VideoTools
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fix(ui): Prevent crash from nil raster image for enabled modules

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The diagonal stripe pattern raster function was returning nil for
enabled modules, causing a nil pointer dereference when Fyne tried
to process the texture. Fixed by always returning a valid image -
transparent for enabled modules, striped for disabled modules.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Sonnet 4.5 <noreply@anthropic.com>
This commit is contained in:
Stu Leak 2025-12-31 12:50:34 -05:00
parent 776ec1f672
commit 7954524bac
1 changed files with 15 additions and 13 deletions
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8
internal/ui/components.go
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@ -179,10 +179,10 @@ func (m *ModuleTile) CreateRenderer() fyne.WidgetRenderer {
// Diagonal stripe overlay for disabled modules // Diagonal stripe overlay for disabled modules
disabledStripe := canvas.NewRaster(func(w, h int) image.Image { disabledStripe := canvas.NewRaster(func(w, h int) image.Image {
if m.enabled {
return nil
}
img := image.NewRGBA(image.Rect(0, 0, w, h)) img := image.NewRGBA(image.Rect(0, 0, w, h))
// Only draw stripes if disabled
if !m.enabled {
// Semi-transparent dark stripes // Semi-transparent dark stripes
darkStripe := color.NRGBA{R: 0, G: 0, B: 0, A: 100} darkStripe := color.NRGBA{R: 0, G: 0, B: 0, A: 100}
lightStripe := color.NRGBA{R: 0, G: 0, B: 0, A: 30} lightStripe := color.NRGBA{R: 0, G: 0, B: 0, A: 30}
@ -197,6 +197,8 @@ func (m *ModuleTile) CreateRenderer() fyne.WidgetRenderer {
} }
} }
} }
}
// Return transparent image for enabled modules
return img return img
}) })