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* Copyright (c) 2009,2010 Lukáš Tvrdý <lukast.dev@gmail.com>
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* This program 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 2 of the License, or
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* (at your option) any later version.
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* This program 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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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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#include "kis_soft_paintop.h"
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#include "kis_soft_paintop_settings.h"
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#include <kis_image.h>
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#include <kis_debug.h>
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#include <kis_brush.h>
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#include <kis_global.h>
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#include <kis_paint_device.h>
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#include <kis_painter.h>
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#include <kis_types.h>
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#include <kis_paintop.h>
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#include <kis_selection.h>
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#include <kis_random_accessor.h>
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#include <kis_softop_option.h>
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#include <kis_brush_size_option.h>
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#include "kis_hsv_option.h"
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KisSoftPaintOp::KisSoftPaintOp(const KisSoftPaintOpSettings *settings, KisPainter * painter, KisImageWSP image)
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: KisPaintOp( painter )
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, m_settings( settings )
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m_hsvProperties.readOptionSetting(settings);
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m_sizeProperties.readOptionSetting(settings);
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m_sizeOption.readOptionSetting(settings);
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m_opacityOption.readOptionSetting(settings);
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m_rotationOption.readOptionSetting(settings);
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m_sizeOption.sensor()->reset();
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m_opacityOption.sensor()->reset();
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m_rotationOption.sensor()->reset();
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m_radius = qRound(0.5 * m_sizeProperties.diameter);
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m_brushType = SoftBrushType(settings->getInt(SOFT_BRUSH_TIP));
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if (m_brushType == CURVE){
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m_curveMaskProperties.curve = settings->getCubicCurve(SOFTCURVE_CURVE);
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m_curveMaskProperties.curveData = m_curveMaskProperties.curve.floatTransfer(m_radius+2);
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m_curveMask.setProperties(&m_curveMaskProperties);
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m_curveMask.setSizeProperties(&m_sizeProperties);
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m_gaussBrush.distMask = 0;
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}else if (m_brushType == GAUSS){
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m_gaussBrush.distMask = new KisCircleAlphaMask(m_radius);
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m_gaussBrush.distMask->setSigma( settings->getDouble(SOFT_SIGMA), settings->getDouble(SOFT_SOFTNESS) / 100.0 );
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m_gaussBrush.distMask->generateGaussMap( true );
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qreal start = m_settings->getDouble(SOFT_START);
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qreal end = m_settings->getDouble(SOFT_END);
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m_gaussBrush.distMask->smooth( start,end );
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m_color = painter->paintColor();
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// compute spacing for brush
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m_xSpacing = qMax(0.5,m_sizeProperties.spacing * m_sizeProperties.diameter * m_sizeProperties.scale);
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m_ySpacing = qMax(0.5,m_sizeProperties.spacing * m_sizeProperties.diameter * m_sizeProperties.aspect * m_sizeProperties.scale);
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m_spacing = qMax(m_xSpacing, m_ySpacing);
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m_count = m_total = 0;
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KisSoftPaintOp::~KisSoftPaintOp()
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delete m_gaussBrush.distMask;
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double KisSoftPaintOp::paintAt(const KisPaintInformation& info)
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if (!painter()) return m_spacing;
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m_color = painter()->paintColor();
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if (m_hsvProperties.enabled){
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QHash<QString, QVariant> params;
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switch (m_hsvProperties.hmode){
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params["h"] = m_hsvProperties.hcurve.value( m_amount / (qreal)m_hsvProperties.hAmount ) ;
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params["h"] = -m_hsvProperties.hcurve.value( m_amount / (qreal)m_hsvProperties.hAmount ) ;
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params["h"] = drand48() * 2.0 - 1.0;
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params["h"] = scaleForPressure(info.pressure())*0.5;
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switch (m_hsvProperties.smode){
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params["s"] = m_hsvProperties.scurve.value( m_amount / (qreal)m_hsvProperties.sAmount ) ;
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params["s"] = -m_hsvProperties.scurve.value( m_amount / (qreal)m_hsvProperties.sAmount ) ;
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params["s"] = drand48() * 2.0 - 1.0;
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params["s"] = scaleForPressure(info.pressure())*0.5;
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switch (m_hsvProperties.vmode){
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params["v"] = m_hsvProperties.vcurve.value( m_amount / (qreal)m_hsvProperties.vAmount ) ;
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params["v"] = -m_hsvProperties.vcurve.value( m_amount / (qreal)m_hsvProperties.vAmount ) ;
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params["v"] = drand48() * 2.0 - 1.0;
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params["v"] = scaleForPressure(info.pressure())*0.5;
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KoColorTransformation* transfo;
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transfo = painter()->device()->colorSpace()->createColorTransformation("hsv_adjustment", params);
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transfo->transform(m_color.data(), m_color.data() , 1);
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if (m_brushType == CURVE){
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KisFixedPaintDeviceSP dab = cachedDab(painter()->device()->colorSpace());
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QPointF pt = info.pos();
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if (m_sizeProperties.jitterEnabled){
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pt.setX(pt.x() + ( ( m_sizeProperties.diameter * drand48() ) - m_radius) * m_sizeProperties.jitterMovementAmount);
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pt.setY(pt.y() + ( ( m_sizeProperties.diameter * drand48() ) - m_radius) * m_sizeProperties.jitterMovementAmount);
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qreal scale = m_sizeProperties.scale * KisPaintOp::scaleForPressure(m_sizeOption.apply(info));
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qreal rotation = m_sizeProperties.rotation + m_rotationOption.apply(info);
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QPointF pos = pt - m_curveMask.hotSpot(scale, rotation);
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splitCoordinate(pos.x(), &x, &subPixelX);
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splitCoordinate(pos.y(), &y, &subPixelY);
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m_curveMask.mask(dab,m_color,scale,rotation,subPixelX,subPixelY);
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quint8 origOpacity = m_opacityOption.apply(painter(), info);
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QRect rc = dab->bounds();
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painter()->bltFixed(x,y,dab,rc.x(), rc.y(), rc.width(),rc.height());
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painter()->setOpacity(origOpacity);
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m_dab = new KisPaintDevice(painter()->device()->colorSpace());
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int pixelSize = m_dab->colorSpace()->pixelSize();
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int curX = qRound(info.pos().x());
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int curY = qRound(info.pos().y());
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int left = curX - m_radius;
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int top = curY - m_radius;
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int w = m_radius * 2 + 1;
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KisRectIterator m_srcIt = m_dab->createRectIterator(left, top, w ,h );
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int border = ( m_radius ) * ( m_radius );
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for (;!m_srcIt.isDone(); ++m_srcIt) {
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qreal dist = maskX*maskX + maskY*maskY;
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if (m_brushType == GAUSS)
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alpha = qRound(m_gaussBrush.distMask->valueAt(maskX,maskY) * OPACITY_OPAQUE_U8);
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if (alpha == 0) continue;
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m_color.setOpacity(alpha);
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memcpy(m_srcIt.rawData(), m_color.data(), pixelSize);
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QRect rc(left,top,w,h);
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painter()->bitBlt(rc.x(), rc.y(), m_dab, rc.x(), rc.y(), rc.width(), rc.height());