62 lines
2.9 KiB
C++
62 lines
2.9 KiB
C++
/*
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* This file is part of RawTherapee.
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*
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* Copyright (c) 2019 Jean-Christophe FRISCH <natureh.510@gmail.com>
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*
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* RawTherapee is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* RawTherapee 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with RawTherapee. If not, see <http://www.gnu.org/licenses/>.
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*/
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/** @file
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* See editwidgets.h for documentation
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*/
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/** @brief Coordinate system where the widgets will be drawn
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*
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* The EditCoordSystem is used to define a screen and an image coordinate system.
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*/
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#pragma once
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class EditCoordSystem
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{
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public:
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virtual ~EditCoordSystem() {}
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/// Convert the widget's DrawingArea (i.e. preview area) coords to the edit buffer coords
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virtual void screenCoordToCropBuffer (int phyx, int phyy, int& cropx, int& cropy) = 0;
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/// Convert the widget's DrawingArea (i.e. preview area) coords to the full image coords
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virtual void screenCoordToImage (int phyx, int phyy, int& imgx, int& imgy) = 0;
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/// Convert the image coords to the widget's DrawingArea (i.e. preview area) coords
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virtual void imageCoordToScreen (int imgx, int imgy, int& phyx, int& phyy) = 0;
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/// Convert the image coords to the crop's canvas coords (full image + padding)
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virtual void imageCoordToCropCanvas (int imgx, int imgy, int& phyx, int& phyy) = 0;
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/// Convert the image coords to the edit buffer coords (includes borders)
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virtual void imageCoordToCropBuffer (int imgx, int imgy, int& phyx, int& phyy) = 0;
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/// Convert the image coords to the displayed image coords (no borders here)
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virtual void imageCoordToCropImage (int imgx, int imgy, int& phyx, int& phyy) = 0;
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/// Convert a size value from the preview's scale to the image's scale
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virtual int scaleValueToImage (int value) = 0;
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/// Convert a size value from the preview's scale to the image's scale
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virtual float scaleValueToImage (float value) = 0;
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/// Convert a size value from the preview's scale to the image's scale
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virtual double scaleValueToImage (double value) = 0;
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/// Convert a size value from the image's scale to the preview's scale
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virtual int scaleValueToCanvas (int value) = 0;
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/// Convert a size value from the image's scale to the preview's scale
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virtual float scaleValueToCanvas (float value) = 0;
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/// Convert a size value from the image's scale to the preview's scale
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virtual double scaleValueToCanvas (double value) = 0;
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};
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