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Cache the blank Mat, no need to re-generate each time it's needed by loadImage()

This commit is contained in:
mmcwilliams 2024-04-27 12:09:33 -06:00
parent a2b69433e2
commit 62c7181906
1 changed files with 4 additions and 1 deletions
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5
src/image.cpp
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@ -5,7 +5,10 @@ Image::Image () {
}
Mat Image::getBlank () {
return Mat::zeros(height, width, CV_8UC3);
if (blank.empty()) {
blank = Mat::zeros(height, width, CV_8UC3);
}
return blank;
}
Mat Image::loadImage (string& image_path, uint64_t& x, uint64_t& y, uint64_t& w, uint64_t& h) {