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510 lines
15 KiB
510 lines
15 KiB
/*
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* Copyright (c) 2005 Casper Boemann <cbr@boemann.dk>
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* Copyright (c) 2006 Bart Coppens <kde@bartcoppens.be>
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*
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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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*
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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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*
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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., 675 mass ave, cambridge, ma 02139, usa.
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*/
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#include <kdebug.h>
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#include <tqimage.h>
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#include "kis_debug_areas.h"
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#include "kis_image.h"
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#include "kis_paint_layer.h"
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#include "kis_selection.h"
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#include "kis_painter.h"
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#include "kis_undo_adapter.h"
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#include "kis_iterators_pixel.h"
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#include "kis_paint_device.h"
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#include "kis_meta_registry.h"
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#include "kis_colorspace_factory_registry.h"
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#include "kis_datamanager.h"
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#include "kis_undo_adapter.h"
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KisPaintLayer::KisPaintLayer(KisImage *img, const TQString& name, TQ_UINT8 opacity, KisPaintDeviceSP dev)
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: super(img, name, opacity)
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{
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Q_ASSERT(img);
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Q_ASSERT(dev);
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m_paintdev = dev;
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m_tqmask = 0;
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m_tqmaskAsSelection = 0;
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m_paintdev->setParentLayer(this);
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m_renderMask = false;
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m_editMask = true;
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}
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KisPaintLayer::KisPaintLayer(KisImage *img, const TQString& name, TQ_UINT8 opacity)
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: super(img, name, opacity)
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{
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Q_ASSERT(img);
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m_paintdev = new KisPaintDevice(this, img->colorSpace(), name.latin1());
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m_tqmask = 0;
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m_tqmaskAsSelection = 0;
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m_renderMask = false;
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m_editMask = true;
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}
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KisPaintLayer::KisPaintLayer(KisImage *img, const TQString& name, TQ_UINT8 opacity, KisColorSpace * colorSpace)
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: super(img, name, opacity)
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{
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Q_ASSERT(img);
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Q_ASSERT(colorSpace);
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m_paintdev = new KisPaintDevice(this, colorSpace, name.latin1());
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m_tqmask = 0;
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m_tqmaskAsSelection = 0;
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m_renderMask = false;
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m_editMask = true;
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}
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KisPaintLayer::KisPaintLayer(const KisPaintLayer& rhs) :
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KisLayer(rhs), KisLayerSupportsIndirectPainting(rhs)
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{
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m_paintdev = new KisPaintDevice( *rhs.m_paintdev.data() );
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m_paintdev->setParentLayer(this);
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if (rhs.hasMask()) {
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m_tqmask = new KisPaintDevice(*rhs.m_tqmask.data());
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m_tqmask->setParentLayer(this);
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}
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m_renderMask = rhs.m_renderMask;
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m_editMask = rhs.m_editMask;
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}
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KisLayerSP KisPaintLayer::clone() const
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{
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return new KisPaintLayer(*this);
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}
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KisPaintLayer::~KisPaintLayer()
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{
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if (m_paintdev != 0) {
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m_paintdev->setParentLayer(0);
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}
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if (m_tqmask != 0) {
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m_tqmask->setParentLayer(0);
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}
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}
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void KisPaintLayer::paintSelection(TQImage &img, TQ_INT32 x, TQ_INT32 y, TQ_INT32 w, TQ_INT32 h)
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{
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if (m_paintdev && m_paintdev->hasSelection()) {
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m_paintdev->selection()->paintSelection(img, x, y, w, h);
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} else if (m_tqmask && m_editMask && m_tqmask->hasSelection()) {
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m_tqmask->selection()->paintSelection(img, x, y, w, h);
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}
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}
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void KisPaintLayer::paintSelection(TQImage &img, const TQRect& scaledImageRect, const TQSize& scaledImageSize, const TQSize& imageSize)
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{
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if (m_paintdev && m_paintdev->hasSelection()) {
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m_paintdev->selection()->paintSelection(img, scaledImageRect, scaledImageSize, imageSize);
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} else if (m_tqmask && m_editMask && m_tqmask->hasSelection()) {
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m_tqmask->selection()->paintSelection(img, scaledImageRect, scaledImageSize, imageSize);
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}
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}
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void KisPaintLayer::paintMaskInactiveLayers(TQImage &img, TQ_INT32 x, TQ_INT32 y, TQ_INT32 w, TQ_INT32 h)
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{
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uchar *j = img.bits();
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KisColorSpace *cs = m_paintdev->colorSpace();
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for (TQ_INT32 y2 = y; y2 < h + y; ++y2) {
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KisHLineIteratorPixel it = m_paintdev->createHLineIterator(x, y2, w, false);
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while ( ! it.isDone()) {
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TQ_UINT8 s = cs->getAlpha(it.rawData());
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if(s==0)
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{
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TQ_UINT8 g = (*(j + 0) + *(j + 1 ) + *(j + 2 )) / 9;
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*(j+0) = 128+g ;
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*(j+1) = 165+g;
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*(j+2) = 128+g;
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}
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j+=4;
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++it;
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}
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}
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}
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TQImage KisPaintLayer::createThumbnail(TQ_INT32 w, TQ_INT32 h)
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{
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if (m_paintdev)
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return m_paintdev->createThumbnail(w, h);
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else
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return TQImage();
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}
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TQ_INT32 KisPaintLayer::x() const {
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if (m_paintdev)
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return m_paintdev->getX();
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else return 0;
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}
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void KisPaintLayer::setX(TQ_INT32 x)
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{
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if (m_paintdev)
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m_paintdev->setX(x);
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}
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TQ_INT32 KisPaintLayer::y() const {
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if (m_paintdev)
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return m_paintdev->getY();
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else
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return 0;
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}
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void KisPaintLayer::setY(TQ_INT32 y) {
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if (m_paintdev)
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m_paintdev->setY(y);
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}
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TQRect KisPaintLayer::extent() const {
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if (m_paintdev)
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return m_paintdev->extent();
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else
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return TQRect();
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}
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TQRect KisPaintLayer::exactBounds() const {
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if (m_paintdev)
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return m_paintdev->exactBounds();
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else
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return TQRect();
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}
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void KisPaintLayer::removeMask() {
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if (!hasMask())
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return;
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m_tqmask->setParentLayer(0);
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m_tqmask = 0;
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m_tqmaskAsSelection = 0;
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setDirty();
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emit sigMaskInfoChanged();
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}
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// ### XXX Do we apply the tqmask outside the image boundaries too? I'd say no, but I'm not sure
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void KisPaintLayer::applyMask() {
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if (!hasMask())
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return;
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int x, y, w, h;
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m_paintdev->extent(x, y, w, h);
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// A bit slow; but it works
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KisPaintDeviceSP temp = new KisPaintDevice(m_paintdev->colorSpace());
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KisPainter gc(temp);
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gc.bltSelection(x, y, COMPOSITE_OVER, m_paintdev, m_tqmaskAsSelection, OPACITY_OPAQUE, x, y, w, h);
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gc.end();
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gc.begin(m_paintdev);
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gc.bitBlt(x, y, COMPOSITE_COPY, temp, OPACITY_OPAQUE, x, y, w, h);
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gc.end();
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removeMask();
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}
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KisPaintDeviceSP KisPaintLayer::createMask() {
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if (hasMask())
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return m_tqmask;
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kdDebug() << k_funcinfo << endl;
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// Grey8 nicely fits our needs of being intuitively comparable to other apps'
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// tqmask layer interfaces. It does have an alpha component though, which is a bit
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// less appropriate in this context.
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m_tqmask = new KisPaintDevice(KisMetaRegistry::instance()->csRegistry()
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->getColorSpace(KisID("GRAYA"), 0));
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genericMaskCreationHelper();
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return m_tqmask;
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}
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// FIXME If from is a paint device is not grey8!!
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void KisPaintLayer::createMaskFromPaintDevice(KisPaintDeviceSP from) {
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if (hasMask())
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return; // Or overwrite? XXX
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kdDebug() << k_funcinfo << endl;
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m_tqmask = from; // KisPaintDevice(*from); XXX
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genericMaskCreationHelper();
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}
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void KisPaintLayer::createMaskFromSelection(KisSelectionSP from) {
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kdDebug() << k_funcinfo << endl;
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m_tqmask = new KisPaintDevice(KisMetaRegistry::instance()->csRegistry()
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->getColorSpace(KisID("GRAYA"), 0));
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m_tqmask->setParentLayer(this);
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m_tqmaskAsSelection = new KisSelection(); // Anonymous selection is good enough
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// Default pixel is opaque white == don't tqmask?
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TQ_UINT8 const defPixel[] = { 255, 255 };
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m_tqmask->dataManager()->setDefaultPixel(defPixel);
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if (from) {
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TQRect r(extent());
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int w = r.width();
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int h = r.height();
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for (int y = r.y(); y < h; y++) {
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KisHLineIteratorPixel srcIt = from->createHLineIterator(r.x(), y, w, false);
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KisHLineIteratorPixel dstIt = m_tqmask->createHLineIterator(r.x(), y, w, true);
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while(!dstIt.isDone()) {
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// XXX same remark as in convertMaskToSelection
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*dstIt.rawData() = *srcIt.rawData();
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++srcIt;
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++dstIt;
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}
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}
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}
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convertMaskToSelection(extent());
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m_paintdev->deselect();
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setDirty();
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emit sigMaskInfoChanged();
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}
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KisPaintDeviceSP KisPaintLayer::getMask() {
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createMask();
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kdDebug() << k_funcinfo << endl;
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return m_tqmask;
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}
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KisSelectionSP KisPaintLayer::getMaskAsSelection() {
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createMask();
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kdDebug() << k_funcinfo << endl;
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return m_tqmaskAsSelection;
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}
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void KisPaintLayer::setEditMask(bool b) {
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m_editMask = b;
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emit sigMaskInfoChanged();
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}
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void KisPaintLayer::setRenderMask(bool b) {
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m_renderMask = b;
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if (hasMask())
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setDirty();
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emit sigMaskInfoChanged();
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}
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void KisPaintLayer::convertMaskToSelection(const TQRect& r) {
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KisRectIteratorPixel srcIt = m_tqmask->createRectIterator(r.x(), r.y(),
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r.width(), r.height(), false);
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KisRectIteratorPixel dstIt = m_tqmaskAsSelection->createRectIterator(r.x(), r.y(),
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r.width(), r.height(), true);
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while(!dstIt.isDone()) {
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// src is grey8 (grey + alpha), dst is alpha8. We convert the grey value to
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// alpha8 manually and ignore the alpha (that's why we don't convert using default
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// functions, and interpret the data raw!) [ XXX ]
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*dstIt.rawData() = *srcIt.rawData();
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++srcIt;
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++dstIt;
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}
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}
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void KisPaintLayer::genericMaskCreationHelper() {
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m_tqmask->setParentLayer(this);
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m_tqmaskAsSelection = new KisSelection(); // Anonymous selection is good enough
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// Default pixel is opaque white == don't tqmask?
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TQ_UINT8 const defPixel[] = { 255, 255 };
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m_tqmask->dataManager()->setDefaultPixel(defPixel);
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setDirty();
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emit sigMaskInfoChanged();
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}
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void KisPaintLayer::setDirty(bool propagate) {
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if (hasMask())
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convertMaskToSelection(extent());
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super::setDirty(propagate);
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}
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void KisPaintLayer::setDirty(const TQRect & rect, bool propagate) {
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if (hasMask())
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convertMaskToSelection(rect);
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super::setDirty(rect, propagate);
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}
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// Undoable versions code
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namespace {
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class KisCreateMaskCommand : public KNamedCommand {
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typedef KNamedCommand super;
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KisPaintLayerSP m_layer;
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KisPaintDeviceSP m_tqmask;
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public:
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KisCreateMaskCommand(const TQString& name, KisPaintLayer* layer)
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: super(name), m_layer(layer) {}
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virtual void execute() {
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kdDebug() << k_funcinfo << endl;
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if (!m_tqmask)
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m_tqmask = m_layer->createMask();
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else
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m_layer->createMaskFromPaintDevice(m_tqmask);
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}
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virtual void unexecute() {
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m_layer->removeMask();
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}
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};
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class KisMaskFromSelectionCommand : public KNamedCommand {
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typedef KNamedCommand super;
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KisPaintLayerSP m_layer;
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KisPaintDeviceSP m_tqmaskBefore;
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KisPaintDeviceSP m_tqmaskAfter;
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KisSelectionSP m_selection;
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public:
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KisMaskFromSelectionCommand(const TQString& name, KisPaintLayer* layer)
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: super(name), m_layer(layer) {
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if (m_layer->hasMask())
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m_tqmaskBefore = m_layer->getMask();
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else
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m_tqmaskBefore = 0;
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m_tqmaskAfter = 0;
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if (m_layer->paintDevice()->hasSelection())
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m_selection = m_layer->paintDevice()->selection();
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else
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m_selection = 0;
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}
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virtual void execute() {
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if (!m_tqmaskAfter) {
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m_layer->createMaskFromSelection(m_selection);
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m_tqmaskAfter = m_layer->getMask();
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} else {
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m_layer->paintDevice()->deselect();
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m_layer->createMaskFromPaintDevice(m_tqmaskAfter);
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}
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}
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virtual void unexecute() {
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m_layer->paintDevice()->setSelection(m_selection);
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if (m_tqmaskBefore)
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m_layer->createMaskFromPaintDevice(m_tqmaskBefore);
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else
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m_layer->removeMask();
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}
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};
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class KisMaskToSelectionCommand : public KNamedCommand {
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typedef KNamedCommand super;
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KisPaintLayerSP m_layer;
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KisPaintDeviceSP m_tqmask;
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KisSelectionSP m_selection;
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public:
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KisMaskToSelectionCommand(const TQString& name, KisPaintLayer* layer)
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: super(name), m_layer(layer) {
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m_tqmask = m_layer->getMask();
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if (m_layer->paintDevice()->hasSelection())
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m_selection = m_layer->paintDevice()->selection();
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else
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m_selection = 0;
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}
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virtual void execute() {
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m_layer->paintDevice()->setSelection(m_layer->getMaskAsSelection());
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m_layer->removeMask();
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}
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virtual void unexecute() {
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if (m_selection)
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m_layer->paintDevice()->setSelection(m_selection);
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else
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m_layer->paintDevice()->deselect();
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m_layer->createMaskFromPaintDevice(m_tqmask);
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}
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};
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class KisRemoveMaskCommand : public KNamedCommand {
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typedef KNamedCommand super;
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KisPaintLayerSP m_layer;
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KisPaintDeviceSP m_tqmask;
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public:
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KisRemoveMaskCommand(const TQString& name, KisPaintLayer* layer)
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: super(name), m_layer(layer) {
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m_tqmask = m_layer->getMask();
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}
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virtual void execute() {
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kdDebug() << k_funcinfo << endl;
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m_layer->removeMask();
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}
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virtual void unexecute() {
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// I hope that if the undo stack unwinds, it will end up here in the right
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// state again; taking a deep-copy sounds like wasteful to me
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m_layer->createMaskFromPaintDevice(m_tqmask);
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}
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};
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class KisApplyMaskCommand : public KNamedCommand {
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typedef KNamedCommand super;
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KisPaintLayerSP m_layer;
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KisPaintDeviceSP m_tqmask;
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KisPaintDeviceSP m_original;
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public:
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KisApplyMaskCommand(const TQString& name, KisPaintLayer* layer)
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: super(name), m_layer(layer) {
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m_tqmask = m_layer->getMask();
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m_original = new KisPaintDevice(*m_layer->paintDevice());
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}
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virtual void execute() {
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m_layer->applyMask();
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}
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virtual void unexecute() {
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// I hope that if the undo stack unwinds, it will end up here in the right
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// state again; taking a deep-copy sounds like wasteful to me
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KisPainter gc(m_layer->paintDevice());
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int x, y, w, h;
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m_layer->paintDevice()->extent(x, y, w, h);
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gc.bitBlt(x, y, COMPOSITE_COPY, m_original, OPACITY_OPAQUE, x, y, w, h);
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gc.end();
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m_layer->createMaskFromPaintDevice(m_tqmask);
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}
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};
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}
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KNamedCommand* KisPaintLayer::createMaskCommand() {
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return new KisCreateMaskCommand(i18n("Create Layer Mask"), this);
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}
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KNamedCommand* KisPaintLayer::tqmaskFromSelectionCommand() {
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return new KisMaskFromSelectionCommand(i18n("Mask From Selection"), this);
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}
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KNamedCommand* KisPaintLayer::tqmaskToSelectionCommand() {
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return new KisMaskToSelectionCommand(i18n("Mask to Selection"), this);
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}
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KNamedCommand* KisPaintLayer::removeMaskCommand() {
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return new KisRemoveMaskCommand(i18n("Remove Layer Mask"), this);
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}
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KNamedCommand* KisPaintLayer::applyMaskCommand() {
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return new KisApplyMaskCommand(i18n("Apply Layer Mask"), this);
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}
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#include "kis_paint_layer.moc"
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