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/*
* Copyright (c) 2002 Patrick Julien <freak@codepimps.org>
* Copyright (c) 2005 Casper Boemann <cbr@boemann.dk>
*
* 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., 675 mass ave, cambridge, ma 02139, usa.
*/
#include <kdebug.h>
#include <qimage.h>
#include "kis_debug_areas.h"
#include "kis_group_layer.h"
#include "kis_image.h"
#include "kis_layer.h"
#include "kis_adjustment_layer.h"
#include "kis_painter.h"
#include "kis_undo_adapter.h"
#include "kis_selection.h"
#include "kis_fill_painter.h"
KisAdjustmentLayer::KisAdjustmentLayer(KisImageSP img, const QString &name, KisFilterConfiguration * kfc, KisSelectionSP selection)
: KisLayer (img, name, OPACITY_OPAQUE)
{
m_filterConfig = kfc;
setSelection( selection );
m_cachedPaintDev = new KisPaintDevice( img->colorSpace(), name.latin1());
m_showSelection = true;
Q_ASSERT(m_cachedPaintDev);
connect(img, SIGNAL(sigSelectionChanged(KisImageSP)),
this, SLOT(slotSelectionChanged(KisImageSP)));
}
KisAdjustmentLayer::KisAdjustmentLayer(const KisAdjustmentLayer& rhs)
: KisLayer(rhs), KisLayerSupportsIndirectPainting(rhs)
{
m_filterConfig = new KisFilterConfiguration(*rhs.m_filterConfig);
if (rhs.m_selection) {
m_selection = new KisSelection( *rhs.m_selection.data() );
m_selection->setParentLayer(this);
m_selection->setInterestedInDirtyness(true);
connect(rhs.image(), SIGNAL(sigSelectionChanged(KisImageSP)),
this, SLOT(slotSelectionChanged(KisImageSP)));
}
m_cachedPaintDev = new KisPaintDevice( *rhs.m_cachedPaintDev.data() );
m_showSelection = false;
}
KisAdjustmentLayer::~KisAdjustmentLayer()
{
delete m_filterConfig;
}
KisLayerSP KisAdjustmentLayer::clone() const
{
return new KisAdjustmentLayer(*this);
}
void KisAdjustmentLayer::resetCache()
{
m_cachedPaintDev = new KisPaintDevice(image()->colorSpace(), name().latin1());
}
KisFilterConfiguration * KisAdjustmentLayer::filter()
{
Q_ASSERT(m_filterConfig);
return m_filterConfig;
}
void KisAdjustmentLayer::setFilter(KisFilterConfiguration * filterConfig)
{
Q_ASSERT(filterConfig);
m_filterConfig = filterConfig;
}
KisSelectionSP KisAdjustmentLayer::selection()
{
return m_selection;
}
void KisAdjustmentLayer::setSelection(KisSelectionSP selection)
{
m_selection = new KisSelection();
KisFillPainter gc(m_selection.data());
KisColorSpace * cs = KisMetaRegistry::instance()->csRegistry()->getRGB8();
if (selection) {
gc.bitBlt(0, 0, COMPOSITE_COPY, selection.data(),
0, 0, image()->bounds().width(), image()->bounds().height());
} else {
gc.fillRect(image()->bounds(), KisColor(Qt::white, cs), MAX_SELECTED);
}
gc.end();
m_selection->setParentLayer(this);
m_selection->setInterestedInDirtyness(true);
}
void KisAdjustmentLayer::clearSelection()
{
KisFillPainter gc(m_selection.data());
KisColorSpace * cs = KisMetaRegistry::instance()->csRegistry()->getRGB8();
QRect bounds = extent();
bounds |= image()->bounds();
gc.fillRect(bounds, KisColor(Qt::white, cs), MIN_SELECTED);
gc.end();
}
Q_INT32 KisAdjustmentLayer::x() const
{
if (m_selection)
return m_selection->getX();
else
return 0;
}
void KisAdjustmentLayer::setX(Q_INT32 x)
{
if (m_selection) {
m_selection->setX(x);
resetCache();
}
}
Q_INT32 KisAdjustmentLayer::y() const
{
if (m_selection)
return m_selection->getY();
else
return 0;
}
void KisAdjustmentLayer::setY(Q_INT32 y)
{
if (m_selection) {
m_selection->setY(y);
resetCache();
}
}
QRect KisAdjustmentLayer::extent() const
{
if (m_selection)
return m_selection->selectedRect();
else if (image())
return image()->bounds();
else
return QRect();
}
QRect KisAdjustmentLayer::exactBounds() const
{
if (m_selection)
return m_selection->selectedRect();
else if (image())
return image()->bounds();
else
return QRect();
}
bool KisAdjustmentLayer::accept(KisLayerVisitor & v)
{
return v.visit( this );
}
void KisAdjustmentLayer::paintSelection(QImage &img, Q_INT32 x, Q_INT32 y, Q_INT32 w, Q_INT32 h)
{
if (showSelection() && selection())
selection()->paintSelection(img, x, y, w, h);
}
void KisAdjustmentLayer::paintSelection(QImage &img, const QRect& scaledImageRect, const QSize& scaledImageSize, const QSize& imageSize)
{
if (showSelection() && selection())
selection()->paintSelection(img, scaledImageRect, scaledImageSize, imageSize);
}
QImage KisAdjustmentLayer::createThumbnail(Q_INT32 w, Q_INT32 h)
{
if (!selection())
return QImage();
int srcw, srch;
if( image() )
{
srcw = image()->width();
srch = image()->height();
}
else
{
const QRect e = extent();
srcw = e.width();
srch = e.height();
}
if (w > srcw)
{
w = srcw;
h = Q_INT32(double(srcw) / w * h);
}
if (h > srch)
{
h = srch;
w = Q_INT32(double(srch) / h * w);
}
if (srcw > srch)
h = Q_INT32(double(srch) / srcw * w);
else if (srch > srcw)
w = Q_INT32(double(srcw) / srch * h);
QColor c;
Q_UINT8 opacity;
QImage img(w,h,32);
for (Q_INT32 y=0; y < h; ++y) {
Q_INT32 iY = (y * srch ) / h;
for (Q_INT32 x=0; x < w; ++x) {
Q_INT32 iX = (x * srcw ) / w;
m_selection->pixel(iX, iY, &c, &opacity);
img.setPixel(x, y, qRgb(opacity, opacity, opacity));
}
}
return img;
}
void KisAdjustmentLayer::slotSelectionChanged(KisImageSP image) {
image->setModified();
}
#include "kis_adjustment_layer.moc"
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