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Fix out of bounds panic with polygon filling

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This commit is contained in:
Sasha Koshka 2024-06-24 18:42:43 -04:00
parent fdcf254891
commit 1c803ff9c1
1 changed files with 2 additions and 2 deletions
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4
x/canvas/draw.go
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@ -215,7 +215,7 @@ type fillingContext struct {
} }
func (context *fillingContext) fillPolygonHotOpaque () { func (context *fillingContext) fillPolygonHotOpaque () {
for index := 0; index < len(context.boundaries); index += 2 { for index := 0; index < len(context.boundaries) - 1; index += 2 {
left := context.boundaries[index] left := context.boundaries[index]
right := context.boundaries[index + 1] right := context.boundaries[index + 1]
@ -240,7 +240,7 @@ func (context *fillingContext) fillPolygonHotOpaque () {
} }
func (context *fillingContext) fillPolygonHotTransparent () { func (context *fillingContext) fillPolygonHotTransparent () {
for index := 0; index < len(context.boundaries); index += 2 { for index := 0; index < len(context.boundaries) - 1; index += 2 {
left := context.boundaries[index] left := context.boundaries[index]
right := context.boundaries[index + 1] right := context.boundaries[index + 1]