invalid width/height check on resize

shahfarhadreza · shahfarhadreza · commit e15f3b56c66c · 2021-04-18T16:55:47.000+06:00
diff --git a/canvas.go b/canvas.go
@@ -148,6 +148,9 @@ func (canvas *DrawingCanvas) Resize(width, height int) {
 	if prevWidth == width && prevHeight == height {
 		return
 	}
+	if width < 1 || height < 1 {
+		log.Panicf("INVALID RESIZE SIZE - (%d x %d)\n", width, height)
+	}
 	if canvas.image == nil {
 		log.Panicln("WHY is canvas image INVALID!!!")
 	}

Original file line number	Diff line number	Diff line change
`@@ -148,6 +148,9 @@ func (canvas *DrawingCanvas) Resize(width, height int) {`
`148`	`148`	`if prevWidth == width && prevHeight == height {`
`149`	`149`	`return`
`150`	`150`	`}`
	`151`	`+ if width < 1 \|\| height < 1 {`
	`152`	`+ log.Panicf("INVALID RESIZE SIZE - (%d x %d)\n", width, height)`
	`153`	`+ }`
`151`	`154`	`if canvas.image == nil {`
`152`	`155`	`log.Panicln("WHY is canvas image INVALID!!!")`
`153`	`156`	`}`