基于OpenCV的视频图像组态 (7) ：轮子动画效果

原创

于 2017-12-08 17:04:59 发布 · 868 阅读

CC 4.0 BY-SA版权

轮子效果

bool __fastcall TCbwAnimationEffect_Wheel::BuildMaskMat(cv::Mat& destMat,

    cv::Mat& srcMat, TRect displayRect) {

    TRect wholeRect(0, 0, displayRect.right - displayRect.left,

        displayRect.bottom - displayRect.top);

    double cx = wholeRect.right / 2.0, cy = wholeRect.bottom / 2.0;

    TCbwFloatPoint centerPoint(cx, cy);

    double unitDegree = 360 / FPattern;

    double deltaDegree = double(FCurrentIndex + 1) / FTotalFramesInOnePeriod * unitDegree;

    BYTE * pDst = destMat.data;

    for (int row = 0; row < destMat.rows; ++row)

        for (int col = 0; col <