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Recover panics in ANSImage.Render()

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This commit is contained in:
Tulir Asokan 2018-04-16 23:01:59 +03:00
parent b728678f0c
commit e9141f6577
1 changed files with 6 additions and 0 deletions
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6
lib/ansimage/ansimage.go
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@ -26,6 +26,7 @@ import (
_ "golang.org/x/image/bmp" // initialize decoder
_ "golang.org/x/image/tiff" // initialize decoder
_ "golang.org/x/image/webp" // initialize decoder
"maunium.net/go/gomuks/debug"
"maunium.net/go/gomuks/ui/messages/tstring"
"maunium.net/go/tcell"
)
@ -126,6 +127,11 @@ func (ai *ANSImage) Render() []tstring.TString {
ch := make(chan renderData, ai.maxprocs)
for n, row := 0, y; (n <= ai.maxprocs) && (2*row+1 < ai.h); n, row = n+1, y+n {
go func(row, y int) {
defer func() {
err := recover()
debug.Print("Panic rendering ANSImage:", err)
ch <- renderData{row: row, render: tstring.NewColorTString("ERROR", tcell.ColorRed)}
}()
str := make(tstring.TString, ai.w)
for x := 0; x < ai.w; x++ {
topPixel := ai.pixmap[y][x]