61 lines
2.2 KiB
C++
61 lines
2.2 KiB
C++
/*
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* This file is part of RawTherapee.
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*
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* Copyright (c) 2004-2010 Gabor Horvath <hgabor@rawtherapee.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 <https://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include "colorprovider.h"
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#include "guiutils.h"
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/*
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* Parent class for all colored bar type; a ColorProvider has to be set
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* thanks to "setColorProvider" to be able to display colors inside the bar
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*
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* WARNING: If the color has no gradient defined or can't get colors from the provider,
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* the bar will have undefined data, and the calling class will have to draw
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* the bar itself, i.e. use render_background (depending on its Gtk::StyleContext)
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*
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*/
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class ColoredBar final : public ColorCaller
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{
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private:
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// ColoredBar position and size parameters
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int x;
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int y;
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int w;
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int h;
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protected:
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eRTOrientation orientation;
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std::vector<GradientMilestone> bgGradient;
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public:
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explicit ColoredBar (eRTOrientation orient);
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void setColoredBarSize(const int newX, const int newY, const int newW, const int newH); // Note: updateColoredBar shall be called after to update the bar
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void updateColoredBar(const Cairo::RefPtr< Cairo::Context> &cr);
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bool canGetColors();
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// Method for convenience; if no Gradient provided, the ColoredBar will ask colors on a per pixel basis
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void setBgGradient (const std::vector<GradientMilestone> &milestones);
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// by clearing the gradient, the ColorProvider will have to provide colors on a per pixel basis if a ColorProvider
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// has been set, through ColorProvider::colorForValue on next ColoredBar::expose
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void clearBgGradient ();
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};
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