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/*
* Copyright (c) 2005-2006 Cyrille Berger <cberger@cberger.net>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Library General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program 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 Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#ifndef KROSS_KRITACOREKRS_PAINTER_H
#define KROSS_KRITACOREKRS_PAINTER_H
#include <api/class.h>
#include <kis_point.h>
#include <kis_types.h>
#include <kis_paint_layer.h>
class KisPainter;
class KisFillPainter;
namespace Kross {
namespace ChalkCore {
class Painter : public Kross::Api::Class<Painter>
{
public:
explicit Painter(KisPaintLayerSP layer);
~Painter();
private:
// Convolution
/**
* This function apply a convolution kernel to an image.
* It takes at least three arguments :
* - a list of a list with the kernel (all lists need to have the same size)
* - factor
* - offset
*
* The value of a pixel will be given by the following function K*P/factor + offset,
* where K is the kernel and P is the neighbourhood.
*
* It can takes the following optional arguments :
* - borderOp control how to convolve the pixels on the border of an image ( 0 use the default color
* 1 use the pixel on the opposite side of the image 2 use the border pixel 3 avoid border pixels)
* - channel ( 1 for color 2 for alpha 3 for both)
* - x
* - y
* - width
* - height
*/
Kross::Api::Object::Ptr convolve(Kross::Api::List::Ptr args);
// Fill specific
/**
* Set the threshold the fill threshold.
* It takes one argument :
* - threshold
*/
Kross::Api::Object::Ptr setFillThreshold(Kross::Api::List::Ptr args);
/**
* Start filling color.
* It takes two argument :
* - x
* - y
*/
Kross::Api::Object::Ptr fillColor(Kross::Api::List::Ptr args);
/**
* start filling a pattern
* It takes two argument :
* - x
* - y
*/
Kross::Api::Object::Ptr fillPattern(Kross::Api::List::Ptr args);
// Painting operations
/**
* This function will paint a polyline.
* It takes two arguments :
* - a list of x position
* - a list of y position
*/
Kross::Api::Object::Ptr paintPolyline(Kross::Api::List::Ptr args);
/**
* This function will paint a line.
* It takes five arguments :
* - x1
* - y1
* - x2
* - y2
* - pressure
*/
Kross::Api::Object::Ptr paintLine(Kross::Api::List::Ptr args);
/**
* This function will paint a Bezier curve.
* It takes ten arguments :
* - x1
* - y1
* - p1
* - cx1
* - cy1
* - cx2
* - cx2
* - x2
* - y2
* - p2
*
* Where (x1,y1) is the start position, p1 is the pressure at the start,
* (x2,y2) is the ending position, p2 is the pressure at the end. (cx1,cy1) and (cx2,cy2)
* are the position of the control points.
*/
Kross::Api::Object::Ptr paintBezierCurve(Kross::Api::List::Ptr args);
/**
* This function will paint an ellipse.
* It takes five arguments :
* - x1
* - y1
* - x2
* - y2
* - pressure
*
* Where (x1,y1) and (x2,y2) are the position of the two centers.
*/
Kross::Api::Object::Ptr paintEllipse(Kross::Api::List::Ptr args);
/**
* This function will paint a polygon.
* It takes two arguments :
* - a list of x position
* - a list of y position
*/
Kross::Api::Object::Ptr paintPolygon(Kross::Api::List::Ptr args);
/**
* This function will paint a rectangle.
* It takes five arguments :
* - x
* - y
* - width
* - height
* - pressure
*/
Kross::Api::Object::Ptr paintRect(Kross::Api::List::Ptr args);
/**
* This function will paint at a given position.
* It takes three arguments :
* - x
* - y
* - pressure
*/
Kross::Api::Object::Ptr paintAt(Kross::Api::List::Ptr args);
// Color operations
/**
* This functions set the paint color (also called foreground color).
* It takes one argument :
* - a Color
*/
Kross::Api::Object::Ptr setPaintColor(Kross::Api::List::Ptr args);
/**
* This functions set the background color.
* It takes one argument :
* - a Color
*/
Kross::Api::Object::Ptr setBackgroundColor(Kross::Api::List::Ptr args);
// How is painting done operations
/**
* This functions set the pattern used for filling.
* It takes one argument :
* - a Pattern object
*/
Kross::Api::Object::Ptr setPattern(Kross::Api::List::Ptr args);
/**
* This functions set the brush used for painting.
* It takes one argument :
* - a Brush object
*/
Kross::Api::Object::Ptr setBrush(Kross::Api::List::Ptr args);
/**
* This function define the paint operation.
* It takes one argument :
* - the name of the paint operation
*/
Kross::Api::Object::Ptr setPaintOp(Kross::Api::List::Ptr args);
// Special settings
/**
* This function define the duplicate offset.
* It takes two arguments :
* - horizontal offset
* - vertical offset
*/
Kross::Api::Object::Ptr setDuplicateOffset(Kross::Api::List::Ptr args);
// Style operation
/**
* This function set the opacity of the painting
* It takes one argument :
* - opacity in the range 0 to 255
*/
Kross::Api::Object::Ptr setOpacity(Kross::Api::List::Ptr args);
/**
* This function set the style of the stroke.
* It takes one argument :
* - 0 for none 1 for brush
*/
Kross::Api::Object::Ptr setStrokeStyle(Kross::Api::List::Ptr args);
/**
* This function set the fill style of the Painter.
* It takes one argument :
* - 0 for none 1 for fill with foreground color 2 for fill with background color
* 3 for fill with a pattern
*/
Kross::Api::Object::Ptr setFillStyle(Kross::Api::List::Ptr args);
protected:
inline KisPaintLayerSP paintLayer() { return m_layer; }
private:
inline vKisPoint createPointsVector( TQValueList<TQVariant> xs, TQValueList<TQVariant> ys)
{
vKisPoint a;
TQValueList<TQVariant>::iterator itx = xs.begin();
TQValueList<TQVariant>::iterator ity = ys.begin();
for(; itx != xs.end(); ++itx, ++ity)
{
a.push_back(KisPoint( (*itx).toDouble(), (*ity).toDouble()));
}
return a;
}
inline KisFillPainter* createFillPainter();
private:
KisPaintLayerSP m_layer;
KisPainter* m_painter;
int m_threshold;
};
}
}
#endif
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