标签: android javacv
我正在将一个小的叠加图像复制到另一个图像,小叠加层是透明背景,但合并后,我发现叠加背景是黑色的。代码是这样的:
opencv_core.cvSetImageROI(bgImage, opencv_core.cvRect(left, top, width, height)); opencv_core.cvCopy(overlayImage, bgImage); opencv_core.cvResetImageROI(bgImage);
所以javacv不支持PNG?