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Merge pull request #16519 from TolyaTalamanov:at/fix-render-text-slowdown

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Alexander Alekhin 2020-02-06 13:38:21 +00:00
commit d0d676929d
1 changed files with 1 additions and 17 deletions
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18
modules/gapi/src/api/render_ocv.cpp
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@ -167,27 +167,11 @@ void drawPrimitivesOCV(cv::Mat& in,
break; break;
} }
// FIXME avoid code duplicate for Text and FText
case Prim::index_of<Text>(): case Prim::index_of<Text>():
{ {
auto tp = cv::util::get<Text>(p); auto tp = cv::util::get<Text>(p);
tp.color = converter.cvtColor(tp.color); tp.color = converter.cvtColor(tp.color);
cv::putText(in, tp.text, tp.org, tp.ff, tp.fs, tp.color, tp.thick, tp.lt, tp.bottom_left_origin);
int baseline = 0;
auto size = cv::getTextSize(tp.text, tp.ff, tp.fs, tp.thick, &baseline);
baseline += tp.thick;
size.height += baseline;
// Allocate mask outside
cv::Mat mask(size, CV_8UC1, cv::Scalar::all(0));
// Org it's bottom left position for baseline
cv::Point org(0, mask.rows - baseline);
cv::putText(mask, tp.text, org, tp.ff, tp.fs, 255, tp.thick);
// Org is bottom left point, transform it to top left point for blendImage
cv::Point tl(tp.org.x, tp.org.y - mask.size().height + baseline);
blendTextMask(in, mask, tl, tp.color);
break; break;
} }