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// -*- 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 */
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