* @brief This struct holds the information of a bounding-box. * * A bounding-box is a rectangular shape that enclosures an * object or a desired set of pixels in a digital image. * * The bounding-box structure holds five floating-point properties: * the x and y coordinates of the rectangle's center point (cx, cy), * the rectangle's width, height and rotation. */
| 35 | * the rectangle's width, height and rotation. |
| 36 | */ |
| 37 | struct BBox |
| 38 | { |
| 39 | float cx = -1; ///< x-coordinate of the bounding box center |
| 40 | float cy = -1; ///< y-coordinate of the bounding box center |
| 41 | float width = -1; ///< bounding box width |
| 42 | float height = -1; ///< bounding box height |
| 43 | float angle = -1; ///< bounding box rotation angle [degrees] |
| 44 | |
| 45 | /// Blank constructor |
| 46 | BBox() {} |
| 47 | |
| 48 | /// Default constructor, which takes the bounding box top-left corner coordinates, width and height. |
| 49 | /// @param _cx X-coordinate of the bounding box center |
| 50 | /// @param _cy Y-coordinate of the bounding box center |
| 51 | /// @param _width Bounding box width |
| 52 | /// @param _height Bounding box height |
| 53 | /// @param _angle Bounding box rotation angle [degrees] |
| 54 | BBox(float _cx, float _cy, float _width, float _height, float _angle) |
| 55 | { |
| 56 | cx = _cx; |
| 57 | cy = _cy; |
| 58 | width = _width; |
| 59 | height = _height; |
| 60 | angle = _angle; |
| 61 | } |
| 62 | |
| 63 | |
| 64 | /// Generate JSON string of this object |
| 65 | std::string Json() const |
| 66 | { |
| 67 | return JsonValue().toStyledString(); |
| 68 | } |
| 69 | |
| 70 | /// Generate Json::Value for this object |
| 71 | Json::Value JsonValue() const |
| 72 | { |
| 73 | Json::Value root; |
| 74 | root["cx"] = cx; |
| 75 | root["cy"] = cy; |
| 76 | root["width"] = width; |
| 77 | root["height"] = height; |
| 78 | root["angle"] = angle; |
| 79 | |
| 80 | return root; |
| 81 | } |
| 82 | |
| 83 | /// Load JSON string into this object |
| 84 | void SetJson(const std::string value) |
| 85 | { |
| 86 | // Parse JSON string into JSON objects |
| 87 | try |
| 88 | { |
| 89 | const Json::Value root = openshot::stringToJson(value); |
| 90 | // Set all values that match |
| 91 | SetJsonValue(root); |
| 92 | } |
| 93 | catch (const std::exception &e) |
| 94 | { |