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Diffstat (limited to 'src/guichan/rectangle.cpp')
| -rw-r--r-- | src/guichan/rectangle.cpp | 133 |
1 files changed, 133 insertions, 0 deletions
diff --git a/src/guichan/rectangle.cpp b/src/guichan/rectangle.cpp new file mode 100644 index 000000000..cb0e1aefd --- /dev/null +++ b/src/guichan/rectangle.cpp @@ -0,0 +1,133 @@ +/* _______ __ __ __ ______ __ __ _______ __ __ + * / _____/\ / /\ / /\ / /\ / ____/\ / /\ / /\ / ___ /\ / |\/ /\ + * / /\____\// / // / // / // /\___\// /_// / // /\_/ / // , |/ / / + * / / /__ / / // / // / // / / / ___ / // ___ / // /| ' / / + * / /_// /\ / /_// / // / // /_/_ / / // / // /\_/ / // / | / / + * /______/ //______/ //_/ //_____/\ /_/ //_/ //_/ //_/ //_/ /|_/ / + * \______\/ \______\/ \_\/ \_____\/ \_\/ \_\/ \_\/ \_\/ \_\/ \_\/ + * + * Copyright (c) 2004 - 2008 Olof Naessén and Per Larsson + * + * + * Per Larsson a.k.a finalman + * Olof Naessén a.k.a jansem/yakslem + * + * Visit: http://guichan.sourceforge.net + * + * License: (BSD) + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * 3. Neither the name of Guichan nor the names of its contributors may + * be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED + * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +/* + * For comments regarding functions please see the header file. + */ + +#include "guichan/rectangle.hpp" + +namespace gcn +{ + Rectangle::Rectangle() + : x(0), + y(0), + width(0), + height(0) + { + } + + Rectangle::Rectangle(int x_, int y_, int width_, int height_) + : x(x_), + y(y_), + width(width_), + height(height_) + { + } + + void Rectangle::setAll(int x_, int y_, int width_, int height_) + { + x = x_; + y = y_; + width = width_; + height = height_; + } + + bool Rectangle::isIntersecting(const Rectangle& rectangle) const + { + int x_ = x; + int y_ = y; + int width_ = width; + int height_ = height; + + x_ -= rectangle.x; + y_ -= rectangle.y; + + if (x_ < 0) + { + width_ += x_; + x_ = 0; + } + else if (x_ + width_ > rectangle.width) + { + width_ = rectangle.width - x_; + } + + if (y_ < 0) + { + height_ += y_; + y_ = 0; + } + else if (y_ + height_ > rectangle.height) + { + height_ = rectangle.height - y_; + } + + if (width_ <= 0 || height_ <= 0) + { + return false; + } + + return true; + } + + bool Rectangle::isPointInRect(int x_, int y_) const + { + return x_ >= x + && y_ >= y + && x_ < x + width + && y_ < y + height; + } + + std::ostream& operator<<(std::ostream& out, + const Rectangle& rectangle) + { + out << "Rectangle [x = " << rectangle.x + << ", y = " << rectangle.y + << ", width = " << rectangle.width + << ", height = " << rectangle.height + << "]"; + + return out; + } +} |