wxRegion

Implements methods from the following classes

• wxGDIObject

Methods

• wxRegion
  Default constructor.
• Clear
  Clears the current region.
• Contains
  Returns a value indicating whether the given point is contained within the region.
• ConvertToBitmap
  Convert the region to a black and white bitmap with the white pixels being inside the region.
• GetBox
  Returns the outer bounds of the region.
• Intersect
  Finds the intersection of this region and another, rectangular region, specified using position and size.
• IsEmpty
  Returns true if the region is empty, false otherwise.
• IsEqual
  Returns true if the region is equal to, i.e.
• Offset
  Moves the region by the specified offsets in horizontal and vertical directions.
• Subtract
  Subtracts a rectangular region from this region.
• Union
  Finds the union of this region and another, rectangular region, specified using position and size.
• Xor
  Finds the Xor of this region and another, rectangular region, specified using position and size.

Static Methods

wxRegion

wxRegion ( )

Default constructor.
wxRegion ( integer $x, integer $y, integer $width, integer $height )

Constructs a rectangular region with the given position and size.
wxRegion ( wxPoint $topLeft, wxPoint $bottomRight )

Constructs a rectangular region from the top left point and the bottom right point.
wxRegion ( wxRect $rect )

Constructs a rectangular region a wxRect object.
wxRegion ( wxRegion $region )

Copy constructor, uses Reference Counting.
wxRegion ( integer $n, wxPoint $points, wxPolygonFillMode $fillStyle=wxODDEVEN_RULE )

Constructs a region corresponding to the polygon made of n points in the provided array.
wxRegion ( wxBitmap $bmp )

Constructs a region using a bitmap.
wxRegion ( wxBitmap $bmp, wxColour $transColour, integer $tolerance )

Constructs a region using the non-transparent pixels of a bitmap.

Clear

Clear ( )

Clears the current region.

Contains

wxRegionContain Contains ( integer $x, integer $y )

Returns a value indicating whether the given point is contained within the region.
wxRegionContain Contains ( wxPoint $pt )

Returns a value indicating whether the given point is contained within the region.
wxRegionContain Contains ( integer $x, integer $y, integer $width, integer $height )

Returns a value indicating whether the given rectangle is contained within the region.
wxRegionContain Contains ( wxRect $rect )

Returns a value indicating whether the given rectangle is contained within the region.

ConvertToBitmap

wxBitmap ConvertToBitmap ( )

Convert the region to a black and white bitmap with the white pixels being inside the region.

GetBox

GetBox ( integer $x, integer $y, integer $width, integer $height )

Returns the outer bounds of the region.
wxRect GetBox ( )

Returns the outer bounds of the region.

Intersect

bool Intersect ( integer $x, integer $y, integer $width, integer $height )

Finds the intersection of this region and another, rectangular region, specified using position and size.
bool Intersect ( wxRect $rect )

Finds the intersection of this region and another, rectangular region.
bool Intersect ( wxRegion $region )

Finds the intersection of this region and another region.

IsEmpty

bool IsEmpty ( )

Returns true if the region is empty, false otherwise.

IsEqual

bool IsEqual ( wxRegion $region )

Returns true if the region is equal to, i.e.

Offset

bool Offset ( integer $x, integer $y )

Moves the region by the specified offsets in horizontal and vertical directions.
bool Offset ( wxPoint $pt )

Moves the region by the specified offsets in horizontal and vertical directions.

Subtract

bool Subtract ( wxRect $rect )

Subtracts a rectangular region from this region.
bool Subtract ( wxRegion $region )

Subtracts a region from this region.

Union

bool Union ( integer $x, integer $y, integer $width, integer $height )

Finds the union of this region and another, rectangular region, specified using position and size.
bool Union ( wxRect $rect )

Finds the union of this region and another, rectangular region.
bool Union ( wxRegion $region )

Finds the union of this region and another region.
bool Union ( wxBitmap $bmp )

Finds the union of this region and the non-transparent pixels of a bitmap.
bool Union ( wxBitmap $bmp, wxColour $transColour, integer $tolerance )

Finds the union of this region and the non-transparent pixels of a bitmap.

Xor

bool Xor ( integer $x, integer $y, integer $width, integer $height )

Finds the Xor of this region and another, rectangular region, specified using position and size.
bool Xor ( wxRect $rect )

Finds the Xor of this region and another, rectangular region.
bool Xor ( wxRegion $region )

Finds the Xor of this region and another region.