Finish rebranding of Krita as Chalk

git-svn-id: svn://anonsvn.kde.org/home/kde/branches/trinity/applications/koffice@1238363 283d02a7-25f6-0310-bc7c-ecb5cbfe19da

1 files changed, 509 insertions, 0 deletions

diff --git a/chalk/core/kis_paint_layer.cc b/chalk/core/kis_paint_layer.cc
new file mode 100644
index 00000000..63663067
--- /dev/null
+++ b/chalk/core/kis_paint_layer.cc
@@ -0,0 +1,509 @@
+/*
+ *  Copyright (c) 2005 Casper Boemann <cbr@boemann.dk>
+ *  Copyright (c) 2006 Bart Coppens <kde@bartcoppens.be>
+ *
+ *  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 <tqimage.h>
+
+#include "kis_debug_areas.h"
+#include "kis_image.h"
+#include "kis_paint_layer.h"
+#include "kis_selection.h"
+#include "kis_painter.h"
+#include "kis_undo_adapter.h"
+#include "kis_iterators_pixel.h"
+#include "kis_paint_device.h"
+#include "kis_meta_registry.h"
+#include "kis_colorspace_factory_registry.h"
+#include "kis_datamanager.h"
+#include "kis_undo_adapter.h"
+
+KisPaintLayer::KisPaintLayer(KisImage *img, const TQString& name, TQ_UINT8 opacity, KisPaintDeviceSP dev)
+    : super(img, name, opacity)
+{
+    Q_ASSERT(img);
+    Q_ASSERT(dev);
+    m_paintdev = dev;
+    m_tqmask = 0;
+    m_tqmaskAsSelection = 0;
+    m_paintdev->setParentLayer(this);
+    m_renderMask = false;
+    m_editMask = true;
+}
+
+
+KisPaintLayer::KisPaintLayer(KisImage *img, const TQString& name, TQ_UINT8 opacity)
+    : super(img, name, opacity)
+{
+    Q_ASSERT(img);
+    m_paintdev = new KisPaintDevice(this, img->colorSpace(), name.latin1());
+    m_tqmask = 0;
+    m_tqmaskAsSelection = 0;
+    m_renderMask = false;
+    m_editMask = true;
+}
+
+KisPaintLayer::KisPaintLayer(KisImage *img, const TQString& name, TQ_UINT8 opacity, KisColorSpace * colorSpace)
+    : super(img, name, opacity)
+{
+    Q_ASSERT(img);
+    Q_ASSERT(colorSpace);
+    m_paintdev = new KisPaintDevice(this, colorSpace,  name.latin1());
+    m_tqmask = 0;
+    m_tqmaskAsSelection = 0;
+    m_renderMask = false;
+    m_editMask = true;
+}
+
+KisPaintLayer::KisPaintLayer(const KisPaintLayer& rhs) :
+        KisLayer(rhs), KisLayerSupportsIndirectPainting(rhs)
+{
+    m_paintdev = new KisPaintDevice( *rhs.m_paintdev.data() );
+    m_paintdev->setParentLayer(this);
+    if (rhs.hasMask()) {
+        m_tqmask = new KisPaintDevice(*rhs.m_tqmask.data());
+        m_tqmask->setParentLayer(this);
+    }
+    m_renderMask = rhs.m_renderMask;
+    m_editMask = rhs.m_editMask;
+}
+
+KisLayerSP KisPaintLayer::clone() const
+{
+    return new KisPaintLayer(*this);
+}
+
+KisPaintLayer::~KisPaintLayer()
+{
+    if (m_paintdev != 0) {
+        m_paintdev->setParentLayer(0);
+    }
+    if (m_tqmask != 0) {
+        m_tqmask->setParentLayer(0);
+    }
+}
+
+void KisPaintLayer::paintSelection(TQImage &img, TQ_INT32 x, TQ_INT32 y, TQ_INT32 w, TQ_INT32 h)
+{
+    if (m_paintdev && m_paintdev->hasSelection()) {
+        m_paintdev->selection()->paintSelection(img, x, y, w, h);
+    } else if (m_tqmask && m_editMask && m_tqmask->hasSelection()) {
+        m_tqmask->selection()->paintSelection(img, x, y, w, h);
+    }
+}
+
+void KisPaintLayer::paintSelection(TQImage &img, const TQRect& scaledImageRect, const TQSize& scaledImageSize, const TQSize& imageSize)
+{
+    if (m_paintdev && m_paintdev->hasSelection()) {
+        m_paintdev->selection()->paintSelection(img, scaledImageRect, scaledImageSize, imageSize);
+    } else if (m_tqmask && m_editMask && m_tqmask->hasSelection()) {
+        m_tqmask->selection()->paintSelection(img, scaledImageRect, scaledImageSize, imageSize);
+    }
+}
+
+void KisPaintLayer::paintMaskInactiveLayers(TQImage &img, TQ_INT32 x, TQ_INT32 y, TQ_INT32 w, TQ_INT32 h)
+{
+    uchar *j = img.bits();
+
+    KisColorSpace *cs = m_paintdev->colorSpace();
+
+    for (TQ_INT32 y2 = y; y2 < h + y; ++y2) {
+        KisHLineIteratorPixel it = m_paintdev->createHLineIterator(x, y2, w, false);
+        while ( ! it.isDone()) {
+            TQ_UINT8 s = cs->getAlpha(it.rawData());
+            if(s==0)
+            {
+                TQ_UINT8 g = (*(j + 0)  + *(j + 1 ) + *(j + 2 )) / 9;
+
+                *(j+0) = 128+g ;
+                *(j+1) = 165+g;
+                *(j+2) = 128+g;
+            }
+            j+=4;
+            ++it;
+        }
+    }
+}
+
+TQImage KisPaintLayer::createThumbnail(TQ_INT32 w, TQ_INT32 h)
+{
+    if (m_paintdev)
+        return m_paintdev->createThumbnail(w, h);
+    else
+        return TQImage();
+}
+
+
+TQ_INT32 KisPaintLayer::x() const {
+    if (m_paintdev)
+        return m_paintdev->getX();
+    else return 0;
+}
+
+void KisPaintLayer::setX(TQ_INT32 x)
+{
+    if (m_paintdev)
+        m_paintdev->setX(x);
+}
+
+TQ_INT32 KisPaintLayer::y() const {
+    if (m_paintdev)
+        return m_paintdev->getY();
+    else
+        return 0;
+}
+
+void KisPaintLayer::setY(TQ_INT32 y) {
+    if (m_paintdev)
+        m_paintdev->setY(y);
+}
+
+TQRect KisPaintLayer::extent() const {
+    if (m_paintdev)
+        return m_paintdev->extent();
+    else
+        return TQRect();
+}
+
+TQRect KisPaintLayer::exactBounds() const {
+    if (m_paintdev)
+        return m_paintdev->exactBounds();
+    else
+        return TQRect();
+}
+
+void KisPaintLayer::removeMask() {
+    if (!hasMask())
+        return;
+
+    m_tqmask->setParentLayer(0);
+    m_tqmask = 0;
+    m_tqmaskAsSelection = 0;
+    setDirty();
+
+    emit sigMaskInfoChanged();
+}
+
+// ### XXX Do we apply the tqmask outside the image boundaries too? I'd say no, but I'm not sure
+void KisPaintLayer::applyMask() {
+    if (!hasMask())
+        return;
+
+    int x, y, w, h;
+    m_paintdev->extent(x, y, w, h);
+
+    // A bit slow; but it works
+    KisPaintDeviceSP temp = new KisPaintDevice(m_paintdev->colorSpace());
+    KisPainter gc(temp);
+    gc.bltSelection(x, y, COMPOSITE_OVER, m_paintdev, m_tqmaskAsSelection, OPACITY_OPAQUE, x, y, w, h);
+    gc.end();
+    gc.begin(m_paintdev);
+    gc.bitBlt(x, y, COMPOSITE_COPY, temp, OPACITY_OPAQUE, x, y, w, h);
+    gc.end();
+
+    removeMask();
+}
+
+KisPaintDeviceSP KisPaintLayer::createMask() {
+    if (hasMask())
+        return m_tqmask;
+
+    kdDebug() << k_funcinfo << endl;
+    // Grey8 nicely fits our needs of being intuitively comparable to other apps'
+    // tqmask layer interfaces. It does have an alpha component though, which is a bit
+    // less appropriate in this context.
+    m_tqmask = new KisPaintDevice(KisMetaRegistry::instance()->csRegistry()
+            ->getColorSpace(KisID("GRAYA"), 0));
+
+    genericMaskCreationHelper();
+
+    return m_tqmask;
+}
+
+// FIXME If from is a paint device is not grey8!!
+void KisPaintLayer::createMaskFromPaintDevice(KisPaintDeviceSP from) {
+    if (hasMask())
+        return; // Or overwrite? XXX
+
+    kdDebug() << k_funcinfo << endl;
+    m_tqmask = from; // KisPaintDevice(*from); XXX
+
+    genericMaskCreationHelper();
+}
+
+void KisPaintLayer::createMaskFromSelection(KisSelectionSP from) {
+    kdDebug() << k_funcinfo << endl;
+    m_tqmask = new KisPaintDevice(KisMetaRegistry::instance()->csRegistry()
+            ->getColorSpace(KisID("GRAYA"), 0));
+    m_tqmask->setParentLayer(this);
+
+    m_tqmaskAsSelection = new KisSelection(); // Anonymous selection is good enough
+
+    // Default pixel is opaque white == don't tqmask?
+    TQ_UINT8 const defPixel[] = { 255, 255 };
+    m_tqmask->dataManager()->setDefaultPixel(defPixel);
+
+    if (from) {
+        TQRect r(extent());
+
+        int w = r.width();
+        int h = r.height();
+        for (int y = r.y(); y < h; y++) {
+            KisHLineIteratorPixel srcIt = from->createHLineIterator(r.x(), y, w, false);
+            KisHLineIteratorPixel dstIt = m_tqmask->createHLineIterator(r.x(), y, w, true);
+
+            while(!dstIt.isDone()) {
+                // XXX same remark as in convertMaskToSelection
+                *dstIt.rawData() = *srcIt.rawData();
+                ++srcIt;
+                ++dstIt;
+            }
+        }
+    }
+
+    convertMaskToSelection(extent());
+    m_paintdev->deselect();
+
+    setDirty();
+    emit sigMaskInfoChanged();
+}
+
+KisPaintDeviceSP KisPaintLayer::getMask() {
+    createMask();
+    kdDebug() << k_funcinfo << endl;
+    return m_tqmask;
+}
+
+KisSelectionSP KisPaintLayer::getMaskAsSelection() {
+    createMask();
+    kdDebug() << k_funcinfo << endl;
+    return m_tqmaskAsSelection;
+}
+
+void KisPaintLayer::setEditMask(bool b) {
+    m_editMask = b;
+    emit sigMaskInfoChanged();
+}
+
+void KisPaintLayer::setRenderMask(bool b) {
+    m_renderMask = b;
+
+    if (hasMask())
+        setDirty();
+
+    emit sigMaskInfoChanged();
+}
+
+void KisPaintLayer::convertMaskToSelection(const TQRect& r) {
+    KisRectIteratorPixel srcIt = m_tqmask->createRectIterator(r.x(), r.y(),
+            r.width(), r.height(), false);
+    KisRectIteratorPixel dstIt = m_tqmaskAsSelection->createRectIterator(r.x(), r.y(),
+            r.width(), r.height(), true);
+
+    while(!dstIt.isDone()) {
+        // src is grey8 (grey + alpha), dst is alpha8. We convert the grey value to
+        // alpha8 manually and ignore the alpha (that's why we don't convert using default
+        // functions, and interpret the data raw!) [ XXX ]
+        *dstIt.rawData() = *srcIt.rawData();
+        ++srcIt;
+        ++dstIt;
+    }
+}
+
+void KisPaintLayer::genericMaskCreationHelper() {
+    m_tqmask->setParentLayer(this);
+
+    m_tqmaskAsSelection = new KisSelection(); // Anonymous selection is good enough
+
+    // Default pixel is opaque white == don't tqmask?
+    TQ_UINT8 const defPixel[] = { 255, 255 };
+    m_tqmask->dataManager()->setDefaultPixel(defPixel);
+
+    setDirty();
+    emit sigMaskInfoChanged();
+}
+
+void KisPaintLayer::setDirty(bool propagate) {
+    if (hasMask())
+        convertMaskToSelection(extent());
+    super::setDirty(propagate);
+}
+
+void KisPaintLayer::setDirty(const TQRect & rect, bool propagate) {
+    if (hasMask())
+        convertMaskToSelection(rect);
+    super::setDirty(rect, propagate);
+}
+
+// Undoable versions code
+namespace {
+    class KisCreateMaskCommand : public KNamedCommand {
+        typedef KNamedCommand super;
+        KisPaintLayerSP m_layer;
+        KisPaintDeviceSP m_tqmask;
+    public:
+        KisCreateMaskCommand(const TQString& name, KisPaintLayer* layer)
+            : super(name), m_layer(layer) {}
+        virtual void execute() {
+            kdDebug() << k_funcinfo << endl;
+            if (!m_tqmask)
+                m_tqmask = m_layer->createMask();
+            else
+                m_layer->createMaskFromPaintDevice(m_tqmask);
+        }
+        virtual void unexecute() {
+            m_layer->removeMask();
+        }
+    };
+
+    class KisMaskFromSelectionCommand : public KNamedCommand {
+        typedef KNamedCommand super;
+        KisPaintLayerSP m_layer;
+        KisPaintDeviceSP m_tqmaskBefore;
+        KisPaintDeviceSP m_tqmaskAfter;
+        KisSelectionSP m_selection;
+    public:
+        KisMaskFromSelectionCommand(const TQString& name, KisPaintLayer* layer)
+            : super(name), m_layer(layer) {
+            if (m_layer->hasMask())
+                m_tqmaskBefore = m_layer->getMask();
+            else
+                m_tqmaskBefore = 0;
+            m_tqmaskAfter = 0;
+            if (m_layer->paintDevice()->hasSelection())
+                m_selection = m_layer->paintDevice()->selection();
+            else
+                m_selection = 0;
+        }
+        virtual void execute() {
+            if (!m_tqmaskAfter) {
+                m_layer->createMaskFromSelection(m_selection);
+                m_tqmaskAfter = m_layer->getMask();
+            } else {
+                m_layer->paintDevice()->deselect();
+                m_layer->createMaskFromPaintDevice(m_tqmaskAfter);
+            }
+        }
+        virtual void unexecute() {
+            m_layer->paintDevice()->setSelection(m_selection);
+            if (m_tqmaskBefore)
+                m_layer->createMaskFromPaintDevice(m_tqmaskBefore);
+            else
+                m_layer->removeMask();
+        }
+    };
+
+    class KisMaskToSelectionCommand : public KNamedCommand {
+        typedef KNamedCommand super;
+        KisPaintLayerSP m_layer;
+        KisPaintDeviceSP m_tqmask;
+        KisSelectionSP m_selection;
+    public:
+        KisMaskToSelectionCommand(const TQString& name, KisPaintLayer* layer)
+            : super(name), m_layer(layer) {
+            m_tqmask = m_layer->getMask();
+            if (m_layer->paintDevice()->hasSelection())
+                m_selection = m_layer->paintDevice()->selection();
+            else
+                m_selection = 0;
+        }
+        virtual void execute() {
+            m_layer->paintDevice()->setSelection(m_layer->getMaskAsSelection());
+            m_layer->removeMask();
+        }
+        virtual void unexecute() {
+            if (m_selection)
+                m_layer->paintDevice()->setSelection(m_selection);
+            else
+                m_layer->paintDevice()->deselect();
+            m_layer->createMaskFromPaintDevice(m_tqmask);
+        }
+    };
+
+    class KisRemoveMaskCommand : public KNamedCommand {
+        typedef KNamedCommand super;
+        KisPaintLayerSP m_layer;
+        KisPaintDeviceSP m_tqmask;
+    public:
+        KisRemoveMaskCommand(const TQString& name, KisPaintLayer* layer)
+            : super(name), m_layer(layer) {
+            m_tqmask = m_layer->getMask();
+        }
+        virtual void execute() {
+            kdDebug() << k_funcinfo << endl;
+            m_layer->removeMask();
+        }
+        virtual void unexecute() {
+            // I hope that if the undo stack unwinds, it will end up here in the right
+            // state again; taking a deep-copy sounds like wasteful to me
+            m_layer->createMaskFromPaintDevice(m_tqmask);
+        }
+    };
+
+    class KisApplyMaskCommand : public KNamedCommand {
+        typedef KNamedCommand super;
+        KisPaintLayerSP m_layer;
+        KisPaintDeviceSP m_tqmask;
+        KisPaintDeviceSP m_original;
+    public:
+        KisApplyMaskCommand(const TQString& name, KisPaintLayer* layer)
+            : super(name), m_layer(layer) {
+            m_tqmask = m_layer->getMask();
+            m_original = new KisPaintDevice(*m_layer->paintDevice());
+        }
+        virtual void execute() {
+            m_layer->applyMask();
+        }
+        virtual void unexecute() {
+                // I hope that if the undo stack unwinds, it will end up here in the right
+                // state again; taking a deep-copy sounds like wasteful to me
+            KisPainter gc(m_layer->paintDevice());
+            int x, y, w, h;
+            m_layer->paintDevice()->extent(x, y, w, h);
+
+            gc.bitBlt(x, y, COMPOSITE_COPY, m_original, OPACITY_OPAQUE, x, y, w, h);
+            gc.end();
+
+            m_layer->createMaskFromPaintDevice(m_tqmask);
+        }
+    };
+}
+
+KNamedCommand* KisPaintLayer::createMaskCommand() {
+    return new KisCreateMaskCommand(i18n("Create Layer Mask"), this);
+}
+
+KNamedCommand* KisPaintLayer::tqmaskFromSelectionCommand() {
+    return new KisMaskFromSelectionCommand(i18n("Mask From Selection"), this);
+}
+
+KNamedCommand* KisPaintLayer::tqmaskToSelectionCommand() {
+    return new KisMaskToSelectionCommand(i18n("Mask to Selection"), this);
+}
+
+
+KNamedCommand* KisPaintLayer::removeMaskCommand() {
+    return new KisRemoveMaskCommand(i18n("Remove Layer Mask"), this);
+}
+
+KNamedCommand* KisPaintLayer::applyMaskCommand() {
+    return new KisApplyMaskCommand(i18n("Apply Layer Mask"), this);
+}
+
+
+#include "kis_paint_layer.moc"