1 files changed, 260 insertions, 0 deletions
diff --git a/chalk/ui/kis_part_layer.cc b/chalk/ui/kis_part_layer.cc
new file mode 100644
index 00000000..401721b5
--- /dev/null
+++ b/chalk/ui/kis_part_layer.cc
@@ -0,0 +1,260 @@
+/*
+ *  Copyright (c) 2005 Boudewijn Rempt <boud@valdyas.org>
+ *            (c) 2005 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+ */
+#include "tqpaintdevice.h"
+#include "tqpixmap.h"
+#include "tqimage.h"
+#include "tqpainter.h"
+
+#include <klocale.h>
+
+#include "KoDocument.h"
+#include "KoDocumentChild.h"
+#include "KoFrame.h"
+#include "KoView.h"
+
+#include "kis_layer.h"
+#include "kis_types.h"
+#include "kis_colorspace_factory_registry.h"
+#include "kis_part_layer.h"
+#include "kis_group_layer.h"
+#include "kis_factory.h"
+#include "kis_paint_device.h"
+#include <kis_meta_registry.h>
+
+KisChildDoc::KisChildDoc ( KisDoc * kisDoc, const TQRect & rect, KoDocument * childDoc )
+    : KoDocumentChild( kisDoc, childDoc, rect )
+    , m_doc(kisDoc)
+    , m_partLayer(0)
+{
+}
+
+
+KisChildDoc::KisChildDoc ( KisDoc * kisDoc )
+    : KoDocumentChild( kisDoc)
+    , m_partLayer(0)
+{
+}
+
+KisChildDoc::~KisChildDoc ()
+{
+    // XXX doesn't this get deleted by itself or by anything else? Certainly looks so
+    // (otherwise I get a double deletion of a TQObject, and chalk crashes)
+    //delete m_doc;
+}
+
+
+KisPartLayerImpl::KisPartLayerImpl(KisImageSP img, KisChildDoc * doc)
+    : super(img, i18n("Embedded Document"), OPACITY_OPAQUE), m_doc(doc)
+{
+    m_cache = new KisPaintDevice(
+            KisMetaRegistry::instance()->csRegistry()->getColorSpace(KisID("RGBA",""),""), name().latin1() );
+    m_activated = false;
+}
+
+KisPartLayerImpl::~KisPartLayerImpl()
+{
+}
+
+KisLayerSP KisPartLayerImpl::clone() const {
+    return new KisPartLayerImpl(image(), childDoc());
+}
+
+// Called when the layer is made active
+void KisPartLayerImpl::childActivated(KoDocumentChild* child)
+{
+    // Clear the image, so that if we move the part while activated, no ghosts show up
+    if (!m_activated && child == m_doc) {
+        TQRect rect = extent();
+        m_activated = true;
+        setDirty(rect);
+        TQPtrList<KoView> views = child->tqparentDocument()->views();
+        Q_ASSERT(views.count());
+        // XXX iterate over views
+        connect(views.at(0), TQT_SIGNAL(activated(bool)),
+                this, TQT_SLOT(childDeactivated(bool)));
+    }
+}
+
+// Called when another layer is made inactive
+void KisPartLayerImpl::childDeactivated(bool activated)
+{
+    // We probably changed, notify the image that it needs to tqrepaint where we currently updated
+    // We use the original tqgeometry
+    if (m_activated && !activated /* no clue, but debugging suggests it is false here */) {
+        TQPtrList<KoView> views = m_doc->tqparentDocument()->views();
+        Q_ASSERT(views.count());
+        views.at(0)->disconnect(TQT_SIGNAL(activated(bool)));
+        m_activated = false;
+        setDirty(m_doc->tqgeometry());
+    }
+}
+
+void KisPartLayerImpl::setX(TQ_INT32 x) {
+    TQRect rect = m_doc->tqgeometry();
+
+    // KisPaintDevice::move moves to absolute coordinates, not relative. Work around that here,
+    // since the part is not necesarily started at (0,0)
+    rect.moveBy(x - this->x(), 0);
+    m_doc->setGeometry(rect);
+}
+
+void KisPartLayerImpl::setY(TQ_INT32 y) {
+    TQRect rect = m_doc->tqgeometry();
+
+    // KisPaintDevice::move moves to absolute coordinates, not relative. Work around that here,
+    // since the part is not necesarily started at (0,0)
+    rect.moveBy(0, y - this->y());
+    m_doc->setGeometry(rect);
+}
+
+void KisPartLayerImpl::paintSelection(TQImage &img, TQ_INT32 x, TQ_INT32 y, TQ_INT32 w, TQ_INT32 h) {
+    uchar *j = img.bits();
+    TQRect rect = m_doc->tqgeometry();
+
+    for (int y2 = y; y2 < h + y; ++y2) {
+        for (int x2 = x; x2 < w + x; ++x2) {
+            if (!rect.tqcontains(x2, y2)) {
+                TQ_UINT8 g = (*(j + 0)  + *(j + 1 ) + *(j + 2 )) / 9;
+                *(j+0) = 165+g;
+                *(j+1) = 128+g;
+                *(j+2) = 128+g;
+            }
+            j+=4;
+        }
+    }
+
+}
+
+KisPaintDeviceSP KisPartLayerImpl::prepareProjection(KisPaintDeviceSP projection, const TQRect& r)
+{
+    if (!m_doc || !m_doc->document() || m_activated) return 0;
+
+    m_cache->clear();
+
+    TQRect intersection(r.intersect(exactBounds()));
+    if (intersection.isEmpty())
+        return m_cache;
+    // XXX: have a look at the comments and see if they still truthfully represent the code :/
+
+    // We know the embedded part's size through the ChildDoc
+    // We move it to (0,0), since that is what we will start painting from in paintEverything.
+    TQRect embedRect(intersection);
+    embedRect.moveBy(- exactBounds().x(), - exactBounds().y());
+    TQRect paintRect(exactBounds());
+    paintRect.moveBy(- exactBounds().x(), - exactBounds().y());
+
+    TQPixmap pm1(projection->convertToTQImage(0 /*srgb XXX*/,
+                                              intersection.x(), intersection.y(),
+                                              intersection.width(), intersection.height()));
+    TQPixmap pm2(extent().width(), extent().height());
+    copyBlt(&pm2, embedRect.x(), embedRect.y(), &pm1,
+             0, 0, embedRect.width(), embedRect.height());
+    TQPainter painter(&pm2);
+    painter.setClipRect(embedRect);
+
+    // KWord's KWPartFrameSet::drawFrameContents has some interesting remarks concerning
+    // the semantics of the paintEverything call.
+    // Since a Chalk Device really is displaysize/zoom agnostic, caring about zoom is not
+    // really as important here. What we paint at the moment, is just (0,0)x(w,h)
+    // Paint transparent, no zoom:
+    m_doc->document()->paintEverything(painter, paintRect, true);
+
+    copyBlt(&pm1, 0, 0, &pm2,
+             embedRect.x(), embedRect.y(), embedRect.width(), embedRect.height());
+    TQImage qimg = pm1.convertToImage();
+
+    //assume the part is sRGB for now, and that "" is sRGB
+    // And we need to paint offsetted
+    m_cache->convertFromTQImage(qimg, "", intersection.left(), intersection.top());
+
+    return m_cache;
+}
+
+TQImage KisPartLayerImpl::createThumbnail(TQ_INT32 w, TQ_INT32 h) {
+    TQRect bounds(exactBounds());
+    TQPixmap pm(w, h);
+    TQPainter painter(&pm);
+
+    painter.fillRect(0, 0, w, h, TQt::white);
+
+    painter.scale(w / bounds.width(), h / bounds.height());
+    m_doc->document()->paintEverything(painter, bounds);
+    TQImage qimg = pm.convertToImage();
+
+    return qimg;
+}
+
+bool KisPartLayerImpl::saveToXML(TQDomDocument doc, TQDomElement elem)
+{
+    TQDomElement embeddedElement = doc.createElement("layer");
+    embeddedElement.setAttribute("name", name());
+
+    // x and y are loaded from the rect element in the embedded object tag
+    embeddedElement.setAttribute("x", 0);
+    embeddedElement.setAttribute("y", 0);
+
+    embeddedElement.setAttribute("opacity", opacity());
+    embeddedElement.setAttribute("compositeop", compositeOp().id().id());
+    embeddedElement.setAttribute("visible", visible());
+    embeddedElement.setAttribute("locked", locked());
+    embeddedElement.setAttribute("layertype", "partlayer");
+    elem.appendChild(embeddedElement);
+
+    TQDomElement objectElem = childDoc()->save(doc);
+    embeddedElement.appendChild(objectElem);
+
+    return true;
+}
+
+KisConnectPartLayerVisitor::KisConnectPartLayerVisitor(KisImageSP img, KisView* view, bool mode)
+    : m_img(img), m_view(view), m_connect(mode)
+{
+}
+
+bool KisConnectPartLayerVisitor::visit(KisGroupLayer *layer) {
+    KisLayerSP child = layer->lastChild();
+
+    while (child) {
+        child->accept(*this);
+        child = child->prevSibling();
+    }
+
+    return true;
+}
+
+bool KisConnectPartLayerVisitor::visit(KisPartLayer *layer) {
+    if (m_connect) {
+        TQObject::connect(m_view, TQT_SIGNAL(childActivated(KoDocumentChild*)),
+                         layer, TQT_SLOT(childActivated(KoDocumentChild*)));
+    } else {
+        TQObject::disconnect(m_view, TQT_SIGNAL(childActivated(KoDocumentChild*)), layer, 0 );
+    }
+
+    return true;
+}
+
+bool KisConnectPartLayerVisitor::visit(KisPaintLayer*) {
+    return true;
+}
+
+bool KisConnectPartLayerVisitor::visit(KisAdjustmentLayer*) {
+    return true;
+}
+
+#include "kis_part_layer.moc"