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de60600126
G-API: Implement line and circle draw operations (#14820) * Implement line and circle draw operations * Fix comments to review
114 lines
3.7 KiB
C++
114 lines
3.7 KiB
C++
// This file is part of OpenCV project.
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// It is subject to the license terms in the LICENSE file found in the top-level directory
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// of this distribution and at http://opencv.org/license.html.
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//
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// Copyright (C) 2018 Intel Corporation
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#ifndef OPENCV_GAPI_RENDER_HPP
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#define OPENCV_GAPI_RENDER_HPP
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#include <string>
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#include <vector>
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#include <opencv2/gapi/opencv_includes.hpp>
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#include <opencv2/gapi/util/variant.hpp>
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#include <opencv2/gapi/own/exports.hpp>
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#include <opencv2/gapi/own/scalar.hpp>
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namespace cv
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{
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namespace gapi
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{
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namespace wip
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{
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namespace draw
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{
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/**
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* A structure to represent parameters for drawing a text string.
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*/
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struct Text
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{
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/*@{*/
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std::string text; //!< The text string to be drawn
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cv::Point org; //!< The bottom-left corner of the text string in the image
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int ff; //!< The font type, see #HersheyFonts
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double fs; //!< The font scale factor that is multiplied by the font-specific base size
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cv::Scalar color; //!< The text color
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int thick; //!< The thickness of the lines used to draw a text
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int lt; //!< The line type. See #LineTypes
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bool bottom_left_origin; //!< When true, the image data origin is at the bottom-left corner. Otherwise, it is at the top-left corner
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/*@{*/
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};
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/**
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* A structure to represent parameters for drawing a rectangle
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*/
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struct Rect
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{
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cv::Rect rect; //!< Coordinates of the rectangle
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cv::Scalar color; //!< The rectangle color or brightness (grayscale image)
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int thick; //!< The thickness of lines that make up the rectangle. Negative values, like #FILLED, mean that the function has to draw a filled rectangle
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int lt; //!< The type of the line. See #LineTypes
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int shift; //!< The number of fractional bits in the point coordinates
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};
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/**
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* A structure to represent parameters for drawing a circle
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*/
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struct Circle
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{
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cv::Point center; //!< The center of the circle
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int radius; //!< The radius of the circle
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cv::Scalar color; //!< The color of the circle
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int thick; //!< The thickness of the circle outline, if positive. Negative values, like #FILLED, mean that a filled circle is to be drawn
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int lt; //!< The Type of the circle boundary. See #LineTypes
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int shift; //!< The Number of fractional bits in the coordinates of the center and in the radius value
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};
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/**
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* A structure to represent parameters for drawing a line
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*/
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struct Line
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{
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cv::Point pt1; //!< The first point of the line segment
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cv::Point pt2; //!< The second point of the line segment
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cv::Scalar color; //!< The line color
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int thick; //!< The thickness of line
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int lt; //!< The Type of the line. See #LineTypes
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int shift; //!< The number of fractional bits in the point coordinates
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};
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using Prim = util::variant
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< Text
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, Rect
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, Circle
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, Line
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>;
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using Prims = std::vector<Prim>;
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/** @brief The function renders on the input image passed drawing primitivies
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@param bgr input image: 8-bit unsigned 3-channel image @ref CV_8UC3.
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@param prims vector of drawing primitivies
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*/
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GAPI_EXPORTS void render(cv::Mat& bgr, const Prims& prims);
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/** @brief The function renders on two NV12 planes passed drawing primitivies
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@param y_plane input image: 8-bit unsigned 1-channel image @ref CV_8UC1.
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@param uv_plane input image: 8-bit unsigned 2-channel image @ref CV_8UC2.
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@param prims vector of drawing primitivies
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*/
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GAPI_EXPORTS void render(cv::Mat& y_plane, cv::Mat& uv_plane , const Prims& prims);
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} // namespace draw
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} // namespace wip
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} // namespace gapi
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} // namespace cv
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#endif // OPENCV_GAPI_RENDER_HPP
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