You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
316 lines
9.7 KiB
316 lines
9.7 KiB
/*
|
|
* This file is part of Chalk
|
|
*
|
|
* Copyright (c) 2004 Cyrille Berger <cberger@cberger.net>
|
|
*
|
|
* This program 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 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 General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU 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.
|
|
*/
|
|
|
|
#include <math.h>
|
|
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
|
|
#include <tqslider.h>
|
|
#include <tqpoint.h>
|
|
#include <tqcolor.h>
|
|
|
|
#include <tdelocale.h>
|
|
#include <kiconloader.h>
|
|
#include <kinstance.h>
|
|
#include <tdemessagebox.h>
|
|
#include <kstandarddirs.h>
|
|
#include <tdetempfile.h>
|
|
#include <kdebug.h>
|
|
#include <kgenericfactory.h>
|
|
|
|
#include <kis_doc.h>
|
|
#include <kis_image.h>
|
|
#include <kis_layer.h>
|
|
#include <kis_global.h>
|
|
#include <kis_types.h>
|
|
#include <kis_iterators_pixel.h>
|
|
#include <kis_colorspace.h>
|
|
#include <kis_painter.h>
|
|
#include <kis_selection.h>
|
|
#include "kis_histogram.h"
|
|
#include "kis_basic_histogram_producers.h"
|
|
#include "colorsfilters.h"
|
|
#include "kis_brightness_contrast_filter.h"
|
|
#include "kis_perchannel_filter.h"
|
|
|
|
typedef KGenericFactory<ColorsFilters> ColorsFiltersFactory;
|
|
K_EXPORT_COMPONENT_FACTORY( chalkcolorsfilters, ColorsFiltersFactory( "chalk" ) )
|
|
|
|
ColorsFilters::ColorsFilters(TQObject *parent, const char *name, const TQStringList &)
|
|
: KParts::Plugin(parent, name)
|
|
{
|
|
setInstance(ColorsFiltersFactory::instance());
|
|
|
|
if (parent->inherits("KisFilterRegistry")) {
|
|
KisFilterRegistry * manager = dynamic_cast<KisFilterRegistry *>(parent);
|
|
manager->add(new KisBrightnessContrastFilter());
|
|
manager->add(new KisAutoContrast());
|
|
manager->add(new KisPerChannelFilter());
|
|
manager->add(new KisDesaturateFilter());
|
|
}
|
|
}
|
|
|
|
ColorsFilters::~ColorsFilters()
|
|
{
|
|
}
|
|
|
|
|
|
//==================================================================
|
|
|
|
|
|
KisAutoContrast::KisAutoContrast() : KisFilter(id(), "adjust", i18n("&Auto Contrast"))
|
|
{
|
|
}
|
|
|
|
bool KisAutoContrast::workWith(KisColorSpace* cs)
|
|
{
|
|
return (cs->getProfile() != 0);
|
|
}
|
|
|
|
void KisAutoContrast::process(KisPaintDeviceSP src, KisPaintDeviceSP dst, KisFilterConfiguration* , const TQRect& rect)
|
|
{
|
|
// initialize
|
|
KisHistogramProducerSP producer = new KisGenericLabHistogramProducer();
|
|
KisHistogram histogram(src, producer, LINEAR);
|
|
int minvalue = int(255*histogram.calculations().getMin() + 0.5);
|
|
int maxvalue = int(255*histogram.calculations().getMax() + 0.5);
|
|
|
|
if(maxvalue>255)
|
|
maxvalue= 255;
|
|
|
|
histogram.setChannel(0);
|
|
int twoPercent = int(0.005*histogram.calculations().getCount());
|
|
int pixCount = 0;
|
|
int binnum = 0;
|
|
|
|
while(binnum<histogram.producer()->numberOfBins())
|
|
{
|
|
pixCount += histogram.getValue(binnum);
|
|
if(pixCount > twoPercent)
|
|
{
|
|
minvalue = binnum;
|
|
break;
|
|
}
|
|
binnum++;
|
|
}
|
|
pixCount = 0;
|
|
binnum = histogram.producer()->numberOfBins()-1;
|
|
while(binnum>0)
|
|
{
|
|
pixCount += histogram.getValue(binnum);
|
|
if(pixCount > twoPercent)
|
|
{
|
|
maxvalue = binnum;
|
|
break;
|
|
}
|
|
binnum--;
|
|
}
|
|
// build the transferfunction
|
|
int diff = maxvalue - minvalue;
|
|
|
|
KisBrightnessContrastFilterConfiguration * cfg = new KisBrightnessContrastFilterConfiguration();
|
|
|
|
for(int i=0; i <255; i++)
|
|
cfg->transfer[i] = 0xFFFF;
|
|
|
|
if (diff != 0)
|
|
{
|
|
for(int i=0; i <minvalue; i++)
|
|
cfg->transfer[i] = 0x0;
|
|
for(int i=minvalue; i <maxvalue; i++)
|
|
{
|
|
TQ_INT32 val = (i-minvalue)/diff;
|
|
|
|
val = int((0xFFFF * (i-minvalue)) / diff);
|
|
if(val >0xFFFF)
|
|
val=0xFFFF;
|
|
if(val <0)
|
|
val = 0;
|
|
|
|
cfg->transfer[i] = val;
|
|
}
|
|
for(int i=maxvalue; i <256; i++)
|
|
cfg->transfer[i] = 0xFFFF;
|
|
}
|
|
|
|
KisSelectionSP dstSel = 0;
|
|
if (dst != src) {
|
|
KisPainter gc(dst);
|
|
gc.bitBlt(rect.x(), rect.y(), COMPOSITE_COPY, src, rect.x(), rect.y(), rect.width(), rect.height());
|
|
gc.end();
|
|
if (src->hasSelection()) {
|
|
dstSel = dst->selection();
|
|
dst->setSelection(src->selection());
|
|
}
|
|
}
|
|
|
|
// apply
|
|
KisColorAdjustment *adj = src->colorSpace()->createBrightnessContrastAdjustment(cfg->transfer);
|
|
|
|
KisRectIteratorPixel iter = dst->createRectIterator(rect.x(), rect.y(), rect.width(), rect.height(), true );
|
|
|
|
setProgressTotalSteps(rect.width() * rect.height());
|
|
TQ_INT32 pixelsProcessed = 0;
|
|
|
|
while( ! iter.isDone() && !cancelRequested())
|
|
{
|
|
TQ_UINT32 npix=0, maxpix = iter.nConseqPixels();
|
|
TQ_UINT8 selectedness = iter.selectedness();
|
|
// The idea here is to handle stretches of completely selected and completely unselected pixels.
|
|
// Partially selected pixels are handled one pixel at a time.
|
|
switch(selectedness)
|
|
{
|
|
case MIN_SELECTED:
|
|
while(iter.selectedness()==MIN_SELECTED && maxpix)
|
|
{
|
|
--maxpix;
|
|
++iter;
|
|
++npix;
|
|
}
|
|
pixelsProcessed += npix;
|
|
break;
|
|
|
|
case MAX_SELECTED:
|
|
{
|
|
TQ_UINT8 *firstPixel = iter.rawData();
|
|
while(iter.selectedness()==MAX_SELECTED && maxpix)
|
|
{
|
|
--maxpix;
|
|
if (maxpix != 0)
|
|
++iter;
|
|
++npix;
|
|
}
|
|
// adjust
|
|
src->colorSpace()->applyAdjustment(firstPixel, firstPixel, adj, npix);
|
|
pixelsProcessed += npix;
|
|
++iter;
|
|
break;
|
|
}
|
|
|
|
default:
|
|
// adjust, but since it's partially selected we also only partially adjust
|
|
src->colorSpace()->applyAdjustment(iter.oldRawData(), iter.rawData(), adj, 1);
|
|
const TQ_UINT8 *pixels[2] = {iter.oldRawData(), iter.rawData()};
|
|
TQ_UINT8 weights[2] = {MAX_SELECTED - selectedness, selectedness};
|
|
src->colorSpace()->mixColors(pixels, weights, 2, iter.rawData());
|
|
++iter;
|
|
pixelsProcessed++;
|
|
break;
|
|
}
|
|
setProgress(pixelsProcessed);
|
|
}
|
|
// Restore selection
|
|
if (src != dst && src->hasSelection()) {
|
|
dst->setSelection(dstSel);
|
|
}
|
|
delete adj;
|
|
setProgressDone();
|
|
}
|
|
|
|
|
|
//==================================================================
|
|
|
|
KisDesaturateFilter::KisDesaturateFilter()
|
|
: KisFilter(id(), "adjust", i18n("&Desaturate"))
|
|
{
|
|
m_lastCS = 0;
|
|
m_adj = 0;
|
|
|
|
}
|
|
|
|
KisDesaturateFilter::~KisDesaturateFilter()
|
|
{
|
|
delete m_adj;
|
|
}
|
|
|
|
bool KisDesaturateFilter::workWith(KisColorSpace* cs)
|
|
{
|
|
return (cs->getProfile() != 0);
|
|
}
|
|
|
|
void KisDesaturateFilter::process(KisPaintDeviceSP src, KisPaintDeviceSP dst, KisFilterConfiguration* /*config*/, const TQRect& rect)
|
|
{
|
|
if (dst != src) {
|
|
KisPainter gc(dst);
|
|
gc.bitBlt(rect.x(), rect.y(), COMPOSITE_COPY, src, rect.x(), rect.y(), rect.width(), rect.height());
|
|
gc.end();
|
|
}
|
|
|
|
if (m_adj == 0 || (m_lastCS && m_lastCS != src->colorSpace())) {
|
|
m_adj = src->colorSpace()->createDesaturateAdjustment();
|
|
m_lastCS = src->colorSpace();
|
|
}
|
|
|
|
KisRectIteratorPixel iter = dst->createRectIterator(rect.x(), rect.y(), rect.width(), rect.height(), true );
|
|
|
|
setProgressTotalSteps(rect.width() * rect.height());
|
|
TQ_INT32 pixelsProcessed = 0;
|
|
|
|
while( ! iter.isDone() && !cancelRequested())
|
|
{
|
|
TQ_UINT32 npix=0, maxpix = iter.nConseqPixels();
|
|
TQ_UINT8 selectedness = iter.selectedness();
|
|
// The idea here is to handle stretches of completely selected and completely unselected pixels.
|
|
// Partially selected pixels are handled one pixel at a time.
|
|
switch(selectedness)
|
|
{
|
|
case MIN_SELECTED:
|
|
while(iter.selectedness()==MIN_SELECTED && maxpix)
|
|
{
|
|
--maxpix;
|
|
++iter;
|
|
++npix;
|
|
}
|
|
pixelsProcessed += npix;
|
|
break;
|
|
|
|
case MAX_SELECTED:
|
|
{
|
|
TQ_UINT8 *firstPixel = iter.rawData();
|
|
while(iter.selectedness()==MAX_SELECTED && maxpix)
|
|
{
|
|
--maxpix;
|
|
if (maxpix != 0)
|
|
++iter;
|
|
++npix;
|
|
}
|
|
// adjust
|
|
src->colorSpace()->applyAdjustment(firstPixel, firstPixel, m_adj, npix);
|
|
pixelsProcessed += npix;
|
|
++iter;
|
|
break;
|
|
}
|
|
|
|
default:
|
|
// adjust, but since it's partially selected we also only partially adjust
|
|
src->colorSpace()->applyAdjustment(iter.oldRawData(), iter.rawData(), m_adj, 1);
|
|
const TQ_UINT8 *pixels[2] = {iter.oldRawData(), iter.rawData()};
|
|
TQ_UINT8 weights[2] = {MAX_SELECTED - selectedness, selectedness};
|
|
src->colorSpace()->mixColors(pixels, weights, 2, iter.rawData());
|
|
++iter;
|
|
pixelsProcessed++;
|
|
break;
|
|
}
|
|
setProgress(pixelsProcessed);
|
|
}
|
|
setProgressDone();
|
|
}
|