* Function InsertCorner * insert a new corner between two existing corners * @param ic = index for the insertion point: the corner is inserted AFTER

Insert a data rectangle into an index structure. InsertRect provides for splitting the root; returns 1 if root was split, 0 if it was not. The level a

Inserts a new data rectangle into the index structure. Recursively descends tree, propagates splits back up. Returns 0 if node was not split. Old nod

* Function IntersectLines() * * Computes the intersection point of lines passing through ends of (this) and aSeg * @param aSeg segment

* Function Intersects * @return bool - true if the argument rectangle intersects this rectangle. * (i.e. if the 2 rectangles have at least a

* Function Inverted * Returns an inverted color, alpha remains the same. * @return COLOR4D& Inverted color. */

* Returns true if the action is intended to activate a tool. */

* Function IsActiveLayer * Returns information whether the queried layer is marked as active. * @return True if the queried layer is marked

* Layer classification: check if it's a back layer */

* @return true is a bold font should be selected */

* Function IsCursorWarpingEnabled() * Returns the current setting for cursor warping. */

* return true if the corner aCornerIdx is on a hole inside the main outline * and false if it is on the main outline */

* Function IsDefault * @return True if the object has the default page settings which are A3, landscape. */

* Function IsDirty() * returns information about container cache state. Clears the flag after calling the function. * @return true in case t

* Function IsDragging * returns true if the current block command is a drag operation. */

* Function IsElementVisible * tests whether a given element category is visible. Keep this as an * inline function. * @param aElementCa

* Layer classification: check if it's a front layer */

* Function IsHighlightEnabled * Returns current highlight setting. * @return True if highlight is enabled, false otherwise. */

@brief Returns the initalization status for the canvas.

* @return true is an italic font should be selected */

* Function IsKeyword * @return true if the returned string is a keyword */

* Function IsLayerEnabled * tests whether a given layer is enabled * @param aLayerId = The layer to be tested * @return bool - true if

* Function IsLayerVisible * tests whether a given layer is visible * @param aLayerId = The layer to be tested * @return bool - true if

* Function IsLegacy * @return true if the #FPID only has the #footprint name defined. */

* Function IsLocked * @return bool - true if the object is locked, else false */

* Function IsMousewheelPanEnabled() * Returns the current setting for mousewheel panning */

* Function IsNetnameLayer * tests whether a layer is a netname layer * @param aLayer = Layer to test * @return true if aLayer is a valid netname la

* Function IsNonCopperLayer * tests whether a layer is a non copper layer * @param aLayerId = Layer to test * @return true if aLayer is a non coppe

Is iterator pointing to valid data

* Function IsNotNull() * * Checks if the iterator has not reached the end. * @return true if it is in an valid

* Returns true if the action is a notification. */

Is iterator invalid

Is iterator NULL, or at end?

* Function IsOnLayer * tests to see if this object is on the given layer. Is virtual so * objects like D_PAD, which reside on multiple laye

* Function IsPcbLayer * tests whether a layer is a valid layer for pcbnew * @param aLayer = Layer to test * @return true if aLayer is a layer valid

Returns true if the point P is on the segment S. faster than TestSegmentHit() because P should be exactly on S therefore works fine only for H, V and

* Function IsPolygonSelfIntersecting * Test a CPolyLine for self-intersection of vertex (all contours). * * @return : * false if no intersecting

* Function IsReplaceable * <p> * Override this method in any derived object that supports test find and * replace. * </p> *

* @return true if the selected state on ON */

* Function IsSimilarPointAndTime * returns true if the given reference point is "similar" (defined here) * to the internal reference point a

* Function IsSingle * is this KIFACE_I running under single_top? */

@copydoc SHAPE::IsSolid()

* Function IsTrack * tests to see if this object is a track or via (or microvia). * form of testing. * @return bool - true if a track o

* Function IsUserLayer * tests whether a layer is a non copper and a non tech layer * @param aLayerId = Layer to test * @return true if aLayer is a

* Function IsValid * @return true is the #FPID is valid. * * A valid #FPID must have both the footprint library nickname and the footpr