这句话有没有英语语法错误When I'm in this painting,i just can't take my eyes off you

问题描述:

这句话有没有英语语法错误
When I'm in this painting,i just can't take my eyes off you

我怎么感觉怪怪的
不过你的意思我明白。我觉得应该是 when i’m drawing a picture,i just can't take my eyes off you

语法上没错

这里用 When I was 比较好.
但是in this painting是想表达什么意思呢?是我在作画,