mirror of
https://github.com/OpenSpace/OpenSpace.git
synced 2026-05-08 04:20:14 -05:00
Erik Broberg
111 lines
4.7 KiB
C++
111 lines
4.7 KiB
C++
/*****************************************************************************************
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* *
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* OpenSpace *
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* *
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* Copyright (c) 2014-2016 *
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* *
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* Permission is hereby granted, free of charge, to any person obtaining a copy of this *
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* software and associated documentation files (the "Software"), to deal in the Software *
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* without restriction, including without limitation the rights to use, copy, modify, *
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* merge, publish, distribute, sublicense, and/or sell copies of the Software, and to *
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* permit persons to whom the Software is furnished to do so, subject to the following *
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* conditions: *
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* *
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* The above copyright notice and this permission notice shall be included in all copies *
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* or substantial portions of the Software. *
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* *
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, *
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* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A *
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* PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT *
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* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF *
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* CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE *
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* OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. *
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****************************************************************************************/
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#ifndef __PIXEL_REGION_H__
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#define __PIXEL_REGION_H__
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#include <glm/glm.hpp>
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namespace openspace {
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typedef glm::ivec2 PixelCoordinate;
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typedef glm::ivec2 PixelRange;
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struct PixelRegion {
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enum Side {
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LEFT = 0, TOP, RIGHT, BOTTOM,
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};
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PixelRegion();
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PixelRegion(const PixelRegion& o);
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PixelRegion(const PixelCoordinate& pixelStart, const PixelRange& numberOfPixels);
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//////////////////////////////////////////////////////////////////////////////////
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// Mutators //
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//////////////////////////////////////////////////////////////////////////////////
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void setSide(Side side, int pos);
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void setLeft(int x);
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void setTop(int p);
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void setRight(int x);
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void setBottom(int y);
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void align(Side side, int pos);
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void alignLeft(int x);
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void alignTop(int y);
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void alignRight(int x);
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void alignBottom(int y);
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void scale(const glm::dvec2& s);
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void scale(double s);
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void downscalePow2(int exponent);
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void upscalePow2(int exponent);
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void move(Side side, int amount);
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void pad(const PixelRegion& padding);
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void clampTo(const PixelRegion& boundingRegion);
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PixelRegion globalCut(Side side, int globalPos);
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PixelRegion localCut(Side side, int localPos);
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//////////////////////////////////////////////////////////////////////////////////
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// Accessors //
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//////////////////////////////////////////////////////////////////////////////////
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int area() const;
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int edge(Side side) const;
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int edgeDirectionSign(Side side) const;
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PixelCoordinate end() const;
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//////////////////////////////////////////////////////////////////////////////////
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// Comparators //
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//////////////////////////////////////////////////////////////////////////////////
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bool lineIntersect(Side side, int p);
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bool isInside(const PixelRegion& r) const;
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bool equals(const PixelRegion& r) const;
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//////////////////////////////////////////////////////////////////////////////////
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// Members //
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//////////////////////////////////////////////////////////////////////////////////
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PixelCoordinate start;
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PixelRange numPixels;
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};
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} // namespace openspace
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#endif // __PIXEL_REGION_H__
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