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66 lines
1.9 KiB
Text
66 lines
1.9 KiB
Text
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// -*- c++ -*-
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/* $Id: rectangle.ccg,v 1.1 2003/01/21 13:38:38 murrayc Exp $ */
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/*
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*
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* Copyright 1998-2002 The gtkmm Development Team
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the Free
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* Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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namespace Gdk
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{
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Rectangle::Rectangle(int x, int y, int width, int height)
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{
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gobject_.x = x;
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gobject_.y = y;
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gobject_.width = width;
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gobject_.height = height;
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}
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// gdk_rectangle_union() and gdk_rectangle_intersect() work fine even if
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// the destination points to one of the input rectangles. The join() and
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// intersect() implementations rely on this ability.
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Rectangle& Rectangle::join(const Rectangle& src2)
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{
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gdk_rectangle_union(
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&gobject_, const_cast<GdkRectangle*>(&src2.gobject_), &gobject_);
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return *this;
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}
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Rectangle& Rectangle::intersect(const Rectangle& src2)
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{
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gdk_rectangle_intersect(
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&gobject_, const_cast<GdkRectangle*>(&src2.gobject_), &gobject_);
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return *this;
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}
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Rectangle& Rectangle::intersect(const Rectangle& src2, bool& rectangles_intersect)
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{
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rectangles_intersect = gdk_rectangle_intersect(
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&gobject_, const_cast<GdkRectangle*>(&src2.gobject_), &gobject_);
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return *this;
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}
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bool Rectangle::has_zero_area() const
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{
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return (gobject_.width == 0 || gobject_.height == 0);
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}
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} // namespace Gdk
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