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