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[急]關於MFC中透明圖的做法
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海
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Jul 26, 1999, 3:00:00 AM
7/26/99
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在MFC中如何做出上下兩張圖都能顯示的做法,
我測試的結果兩圖重疊的部分恰為兩圖RGB值的平均,
我的目的是要做一個圖可用滑鼠拉動去重疊到另一個
圖上,而上下兩圖的內容都看的見,BITBLT貼圖函數的
參數中只有AND,OR,XOR的方法,有人可以告訴我較好
的做法嗎?謝謝
ps:不是遮住圖的一部份讓另一圖顯示的方法,而是
上下兩圖的內容都看的見
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