@return Start point of the entity */

* @return Current status of this action. */

*find the tangential points from a given point, i.e., the tangent lines should pass * the given point and tangential points * *Author: Dongxu Li

The elliptic angle of the closest point on ellipse.

TU unicode 16 bit (UCS) text converted to utf8 Reads 2-bytes char (UCS2, NULL terminated) and convert to std::string (only for Latin-1) ts= total i

The valid size magnitude

get the valuew that the user entered

Extracts the language code from filenames like 'librecad_zh_tw.ts'. Returns 'zt' for zh_tw, 'es' for es_mx, etc.

* Handles command line arguments that might not require a GUI. * * @return list of files to load on startup. */

* Checks whether one of direct children has given name and layer type * @param nameToFind name to check * @param layerTypeToFind layer type to check

* @brief hasExtension whether the file name as proper extension for the the format type * @param fileName - file name * @param type - the format typ

* Method checks whether provided int correspond to one of valid registered line types * @param typeCandidate potential line type * @return true if t

* Method checks whether provided int correspond to one of valid registered line width values * @param typeCandidate potential line width * @return t

* @brief hasWrappedControlPoints whether the control points are wrapped, needed for a closed spline. * only implemented for cubic splines *

* Hides the snapper options. Default implementation does nothing. */

Return the file path name to use relative to the dxf file folder

* A test method exposed to Python */

* Increases handle, so that the handle returned remains available. */

* Python will call this when the librecad module is imported. */

* utility method that is used to mark item as invalid */

* Selects all entities on visible layers. */

For validate hatch contours, whether an entity in the contour is a closed loop itself

Whether two entities are connected by an end point

* Checks whether this item is descendant of given one * @param item potential parent * @return true if given item is part of the path from root to t

* @return true if the grid is switched on. */

A size vector is valid with a positive size

* @return true if at least one of the solutions is a double solution * (tangent). */

@return true if this is a triangle. */

* Simply stores update list in file * @param item */

* Launches the command represented by the given keycode if possible. * * @return true: the command was recognized. * false: the command is

* Gets the action for the given keycode. A keycode is a sequence * of key-strokes that is entered like hotkeys. */

TODO: private interface cleanup; de Boor's Algorithm * Generates B-Spline open knot vector with multiplicity * equal to the order at the ends. */

Return the locale in Qt-conventional form (xx or xx_YY).

* Called when the active layer changes. */

* Called when a new layer is added to the list. */

* Called when a layer's attributes are modified. */

* Called when layer list is modified. */

* Called when a layer is removed from the list. */

* Called when a layer's construction attribute is toggled. */

* Called when a layer's lock attribute is toggled. */