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Diffstat (limited to 'krita/core/kis_adjustment_layer.cc')
| -rw-r--r-- | krita/core/kis_adjustment_layer.cc | 252 |
1 files changed, 252 insertions, 0 deletions
diff --git a/krita/core/kis_adjustment_layer.cc b/krita/core/kis_adjustment_layer.cc new file mode 100644 index 00000000..873b24cf --- /dev/null +++ b/krita/core/kis_adjustment_layer.cc @@ -0,0 +1,252 @@ +/* + * 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" |