rawTherapee/rtgui/colorprovider.h
Hombre 8b2eac9a3d Pipette and "On Preview Widgets" branch. See issue 227
The pipette part is already working quite nice but need to be finished. The widgets part needs more work...
2014-01-21 23:37:36 +01:00

59 lines
1.9 KiB
C++

/*
* This file is part of RawTherapee.
*
* Copyright (c) 2004-2010 Gabor Horvath <hgabor@rawtherapee.com>
*
* RawTherapee is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* RawTherapee is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with RawTherapee. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _COLORPROVIDER_
#define _COLORPROVIDER_
#include <gtkmm.h>
class ColorProvider;
/*
* The ColorCaller is the class that will query the ColorProvider
*/
class ColorCaller {
protected:
// a class can handle several ColorCaller;
// colorCallerId will let the provider identify the caller
int colorCallerId;
ColorProvider* colorProvider;
public:
double ccRed;
double ccGreen;
double ccBlue;
ColorCaller() : colorCallerId(-1), colorProvider(NULL), ccRed(0.), ccGreen(0.), ccBlue(0.) {}
void setColorProvider (ColorProvider* p, int id) { colorProvider = p; colorCallerId = id; }
};
/*
* Use it to let your widget feed a colored bar or graph lines with the wanted colors
* If you doesn't need to dynamically feed a widget with colors (e.g. curve's graph),
* you don't need to declare the instanciator class as BEING a ColorProvider, you'll
* still be able to set gradients for e.g. ColoredBar(s)
*/
class ColorProvider {
public:
virtual ~ColorProvider() {};
virtual void colorForValue (double valX, double valY, int callerId, ColorCaller* caller) {};
};
#endif