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Diffstat (limited to 'libs/gtkmm2/gdk/gdkmm/region.h')
| -rw-r--r-- | libs/gtkmm2/gdk/gdkmm/region.h | 234 |
1 files changed, 234 insertions, 0 deletions
diff --git a/libs/gtkmm2/gdk/gdkmm/region.h b/libs/gtkmm2/gdk/gdkmm/region.h new file mode 100644 index 0000000000..bcea009aa7 --- /dev/null +++ b/libs/gtkmm2/gdk/gdkmm/region.h @@ -0,0 +1,234 @@ +// -*- c++ -*- +// Generated by gtkmmproc -- DO NOT MODIFY! +#ifndef _GDKMM_REGION_H +#define _GDKMM_REGION_H + +#include <glibmm.h> + +/* $Id$ */ + +/* region.h + * + * Copyright (C) 1998-2002 The gtkmm Development Team + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Library General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Library General Public License for more details. + * + * You should have received a copy of the GNU Library General Public + * License along with this library; if not, write to the Free + * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. + */ + +extern "C" { typedef struct _GdkRegion GdkRegion; } + +#include <glibmm/arrayhandle.h> +#include <gdkmm/types.h> +#include <gdkmm/rectangle.h> + + +namespace Gdk +{ + + +/** @addtogroup gdkmmEnums Enums and Flags */ + +/** + * @ingroup gdkmmEnums + */ +enum FillRule +{ + EVEN_ODD_RULE, + WINDING_RULE +}; + +} // namespace Gdk + + +#ifndef DOXYGEN_SHOULD_SKIP_THIS +namespace Glib +{ + +template <> +class Value<Gdk::FillRule> : public Glib::Value_Enum<Gdk::FillRule> +{ +public: + static GType value_type() G_GNUC_CONST; +}; + +} // namespace Glib +#endif /* DOXYGEN_SHOULD_SKIP_THIS */ + + +namespace Gdk +{ + +/** + * @ingroup gdkmmEnums + */ +enum OverlapType +{ + OVERLAP_RECTANGLE_IN, + OVERLAP_RECTANGLE_OUT, + OVERLAP_RECTANGLE_PART +}; + +} // namespace Gdk + + +#ifndef DOXYGEN_SHOULD_SKIP_THIS +namespace Glib +{ + +template <> +class Value<Gdk::OverlapType> : public Glib::Value_Enum<Gdk::OverlapType> +{ +public: + static GType value_type() G_GNUC_CONST; +}; + +} // namespace Glib +#endif /* DOXYGEN_SHOULD_SKIP_THIS */ + + +namespace Gdk +{ + + +/** This is an opaque data type holding a set of arbitrary pixels, and is usually used for clipping graphical operations + * (see Gdk::GC::set_clip_region()). + */ +class Region +{ + public: +#ifndef DOXYGEN_SHOULD_SKIP_THIS + typedef Region CppObjectType; + typedef GdkRegion BaseObjectType; +#endif /* DOXYGEN_SHOULD_SKIP_THIS */ + + Region(); + + // Use make_a_copy=true when getting it directly from a struct. + explicit Region(GdkRegion* castitem, bool make_a_copy = false); + + Region(const Region& src); + Region& operator=(const Region& src); + + ~Region(); + + GdkRegion* gobj() { return gobject_; } + const GdkRegion* gobj() const { return gobject_; } + + ///Provides access to the underlying C instance. The caller is responsible for freeing it. Use when directly setting fields in structs. + GdkRegion* gobj_copy() const; + +protected: + GdkRegion* gobject_; + +private: + + +public: + + Region(const Glib::ArrayHandle<Gdk::Point>& points, FillRule fill_rule); + explicit Region(const Rectangle& rectangle); + + + void get_clipbox(const Rectangle& rectangle); + Glib::ArrayHandle<Rectangle> get_rectangles() const; + + + bool empty(); + + bool point_in(int x, int y); + + OverlapType rect_in(const Rectangle& rect); + + + void offset(int dx, int dy); + + void shrink(int dx, int dy); + + /** Sets the area of @a region to the union of the areas of @a region and + * @a rect . The resulting area is the set of pixels contained in + * either @a region or @a rect . + * @param rect A Gdk::Rectangle. + */ + void union_with_rect(const Rectangle& rect); + + /** Sets the area of @a source1 to the intersection of the areas of @a source1 + * and @a source2 . The resulting area is the set of pixels contained in + * both @a source1 and @a source2 . + * @param source2 Another Gdk::Region. + */ + void intersect(const Region& source2); + + /** Sets the area of @a source1 to the union of the areas of @a source1 and + * @a source2 . The resulting area is the set of pixels contained in + * either @a source1 or @a source2 . + * @param source2 A Gdk::Region. + */ + void union_(const Region& source2); //union is a keyword. + + /** Subtracts the area of @a source2 from the area @a source1 . The resulting + * area is the set of pixels contained in @a source1 but not in @a source2 . + * @param source2 Another Gdk::Region. + */ + void subtract(const Region& source2); + + /** Sets the area of @a source1 to the exclusive-OR of the areas of @a source1 + * and @a source2 . The resulting area is the set of pixels contained in one + * or the other of the two sources but not in both. + * @param source2 Another Gdk::Region. + */ + void xor_(const Region& source2); //xor is a keyword + + void spans_intersect_foreach(GdkSpan* spans, int n_spans, bool sorted, GdkSpanFunc function, gpointer data); + + +}; + +} //namespace Gdk + + +namespace Gdk +{ + +/** @relates Gdk::Region + * @param lhs The left-hand side + * @param rhs The right-hand side + * @result The result + */ +bool operator==(const Region& lhs, const Region& rhs); + +/** @relates Gdk::Region + * @param lhs The left-hand side + * @param rhs The right-hand side + * @result The result + */ +bool operator!=(const Region& lhs, const Region& rhs); + + +} // namespace Gdk + + +namespace Glib +{ + + /** @relates Gdk::Region + * @param object The C instance + * @param take_copy False if the result should take ownership of the C instance. True if it should take a new copy or ref. + * @result A C++ instance that wraps this C instance. + */ +Gdk::Region wrap(GdkRegion* object, bool take_copy = false); + +} // namespace Glib + +#endif /* _GDKMM_REGION_H */ + |