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Public Member Functions | ||||
| bool | empty () | |||
| Finds out if the Gdk::Region is empty. | ||||
| void | get_clipbox (const Rectangle& rectangle) | |||
| Obtains the smallest rectangle which includes the entire Gdk::Region. | ||||
| Glib::ArrayHandle<Rectangle> | get_rectangles () const | |||
| const GdkRegion* | gobj () const | |||
| GdkRegion* | gobj () | |||
| GdkRegion* | gobj_copy () const | |||
| Provides access to the underlying C instance. The caller is responsible for freeing it. Use when directly setting fields in structs. | ||||
| void | intersect (const Region& source2) | |||
| Sets the area of source1 to the intersection of the areas of source1 and source2 . | ||||
| void | offset (int dx, int dy) | |||
| Moves a region the specified distance. | ||||
| Region& | operator= (const Region& src) | |||
| bool | point_in (int x, int y) | |||
| Finds out if a point is in a region. | ||||
| OverlapType | rect_in (const Rectangle& rect) | |||
| Tests whether a rectangle is within a region. | ||||
| Region (const Rectangle& rectangle) | ||||
| Region (const Glib::ArrayHandle<Gdk::Point>& points, FillRule fill_rule) | ||||
| Region (const Region& src) | ||||
| Region (GdkRegion* castitem, bool make_a_copy=false) | ||||
| Region () | ||||
| void | shrink (int dx, int dy) | |||
| Resizes a region by the specified amount. | ||||
| void | spans_intersect_foreach (GdkSpan* spans, int n_spans, bool sorted, GdkSpanFunc function, gpointer data) | |||
| Calls a function on each span in the intersection of region and spans . | ||||
| void | subtract (const Region& source2) | |||
| Subtracts the area of source2 from the area source1 . | ||||
| void | union_ (const Region& source2) | |||
| Sets the area of source1 to the union of the areas of source1 and source2 . | ||||
| void | union_with_rect (const Rectangle& rect) | |||
| Sets the area of region to the union of the areas of region and rect . | ||||
| void | xor_ (const Region& source2) | |||
| Sets the area of source1 to the exclusive-OR of the areas of source1 and source2 . | ||||
| ~Region () | ||||
Protected Attributes | ||||
| GdkRegion* | gobject_ | |||
Related Functions | ||||
| (Note that these are not member functions.) | ||||
| bool | operator!= (const Region& lhs, const Region& rhs) | |||
| ||||
| bool | operator== (const Region& lhs, const Region& rhs) | |||
| ||||
| Gdk::Region | wrap (GdkRegion* object, bool take_copy=false) | |||
| A Glib::wrap() method for this object. | ||||
| Gdk::Region::Region | ( | ) |
| Gdk::Region::Region | ( | GdkRegion* | castitem, | |
| bool | make_a_copy = false | |||
| ) | [explicit] |
| Gdk::Region::Region | ( | const Region& | src | ) |
| Gdk::Region::~Region | ( | ) |
| Gdk::Region::Region | ( | const Glib::ArrayHandle<Gdk::Point>& | points, | |
| FillRule | fill_rule | |||
| ) |
| Gdk::Region::Region | ( | const Rectangle& | rectangle | ) | [explicit] |
| bool Gdk::Region::empty | ( | ) |
| void Gdk::Region::get_clipbox | ( | const Rectangle& | rectangle | ) |
Obtains the smallest rectangle which includes the entire Gdk::Region.
| rectangle | Return location for the clipbox. |
| Glib::ArrayHandle<Rectangle> Gdk::Region::get_rectangles | ( | ) | const |
| const GdkRegion* Gdk::Region::gobj | ( | ) | const [inline] |
| GdkRegion* Gdk::Region::gobj | ( | ) | [inline] |
| GdkRegion* Gdk::Region::gobj_copy | ( | ) | const |
Provides access to the underlying C instance. The caller is responsible for freeing it. Use when directly setting fields in structs.
| void Gdk::Region::intersect | ( | const Region& | source2 | ) |
Sets the area of source1 to the intersection of the areas of source1 and source2 .
The resulting area is the set of pixels contained in both source1 and source2 .
| source2 | Another Gdk::Region. |
| void Gdk::Region::offset | ( | int | dx, | |
| int | dy | |||
| ) |
Moves a region the specified distance.
| dx | The distance to move the region horizontally. | |
| dy | The distance to move the region vertically. |
| bool Gdk::Region::point_in | ( | int | x, | |
| int | y | |||
| ) |
Finds out if a point is in a region.
| x | The x coordinate of a point. | |
| y | The y coordinate of a point. |
true if the point is in region . | OverlapType Gdk::Region::rect_in | ( | const Rectangle& | rect | ) |
Tests whether a rectangle is within a region.
| rectangle | A Gdk::Rectangle. |
| void Gdk::Region::shrink | ( | int | dx, | |
| int | dy | |||
| ) |
Resizes a region by the specified amount.
Positive values shrink the region. Negative values expand it.
| dx | The number of pixels to shrink the region horizontally. | |
| dy | The number of pixels to shrink the region vertically. |
| void Gdk::Region::spans_intersect_foreach | ( | GdkSpan * | spans, | |
| int | n_spans, | |||
| bool | sorted, | |||
| GdkSpanFunc | function, | |||
| gpointer | data | |||
| ) |
Calls a function on each span in the intersection of region and spans .
| spans | An array of Gdk::Spans. | |
| n_spans | The length of spans . | |
| sorted | true if spans is sorted wrt. the y coordinate. | |
| function | Function to call on each span in the intersection. | |
| data | Data to pass to function . |
| void Gdk::Region::subtract | ( | const Region& | source2 | ) |
Subtracts the area of source2 from the area source1 .
The resulting area is the set of pixels contained in source1 but not in source2 .
| source2 | Another Gdk::Region. |
| void Gdk::Region::union_ | ( | const Region& | source2 | ) |
Sets the area of source1 to the union of the areas of source1 and source2 .
The resulting area is the set of pixels contained in either source1 or source2 .
| source2 | A Gdk::Region. |
| void Gdk::Region::union_with_rect | ( | const Rectangle& | rect | ) |
Sets the area of region to the union of the areas of region and rect .
The resulting area is the set of pixels contained in either region or rect .
| rect | A Gdk::Rectangle. |
| void Gdk::Region::xor_ | ( | const Region& | source2 | ) |
Sets the area of source1 to the exclusive-OR of the areas of source1 and source2 .
The resulting area is the set of pixels contained in one or the other of the two sources but not in both.
| source2 | Another Gdk::Region. |
| lhs | The left-hand side |
| rhs | The right-hand side |
| lhs | The left-hand side |
| rhs | The right-hand side |
| Gdk::Region wrap | ( | GdkRegion* | object, | |
| bool | take_copy = false | |||
| ) | [related] |
A Glib::wrap() method for this object.
| object | The C instance. | |
| take_copy | False if the result should take ownership of the C instance. True if it should take a new copy or ref. |
GdkRegion* Gdk::Region::gobject_ [protected] |