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krita/ui kis_shape_selection.cpp Go to the documentation of this file. /* * Copyright (c) 2007 Sven Langkamp <sven.langkamp@gmail.com> * * 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 "kis_shape_selection.h" #include <QPainter> #include <QTimer> #include <ktemporaryfile.h> #include <KoLineBorder.h> #include <KoPathShape.h> #include <KoCompositeOp.h> #include <KoColorSpaceRegistry.h> #include <KoShapeManager.h> #include <KoDocument.h> #include <KoEmbeddedDocumentSaver.h> #include <KoGenStyle.h> #include <KoOdfLoadingContext.h> #include <KoOdfReadStore.h> #include <KoOdfStylesReader.h> #include <KoOdfWriteStore.h> #include <KoXmlNS.h> #include <KoShapeRegistry.h> #include <KoShapeLoadingContext.h> #include <KoXmlWriter.h> #include <KoStore.h> #include <KoShapeSavingContext.h> #include <KoStoreDevice.h> #include "kis_painter.h" #include "kis_paint_device.h" #include "kis_shape_selection_model.h" #include "kis_image.h" #include "kis_selection.h" #include "kis_shape_selection_canvas.h" #include <kis_debug.h> KisShapeSelection::KisShapeSelection(KisImageWSP image, KisSelectionSP selection) : KoShapeLayer(new KisShapeSelectionModel(image, selection, this)) , m_image(image) { Q_ASSERT(m_image); setShapeId("KisShapeSelection"); setSelectable(false); m_dirty = false; m_canvas = new KisShapeSelectionCanvas(); m_canvas->shapeManager()->add(this); } KisShapeSelection::~KisShapeSelection() { delete m_canvas; } KisShapeSelection::KisShapeSelection(const KisShapeSelection& rhs) : KoShapeLayer(rhs) { m_dirty = rhs.m_dirty; m_image = rhs.m_image; m_canvas = new KisShapeSelectionCanvas(); m_canvas->shapeManager()->add(this); } KisSelectionComponent* KisShapeSelection::clone() { return new KisShapeSelection(*this); } bool KisShapeSelection::saveSelection(KoStore * store) const { store->disallowNameExpansion(); KoOdfWriteStore odfStore(store); KoXmlWriter* manifestWriter = odfStore.manifestWriter("application/vnd.oasis.opendocument.graphics"); KoEmbeddedDocumentSaver embeddedSaver; KoDocument::SavingContext documentContext(odfStore, embeddedSaver); if (!store->open("content.xml")) return false; KoStoreDevice storeDev(store); KoXmlWriter * docWriter = KoOdfWriteStore::createOasisXmlWriter(&storeDev, "office:document-content"); // for office:master-styles KTemporaryFile masterStyles; masterStyles.open(); KoXmlWriter masterStylesTmpWriter(&masterStyles, 1); KoPageLayout page; page.format = KoPageFormat::defaultFormat(); QRectF rc = boundingRect(); page.width = rc.width(); page.height = rc.height(); if (page.width > page.height) { page.orientation = KoPageFormat::Landscape; } else { page.orientation = KoPageFormat::Portrait; } KoGenStyles mainStyles; KoGenStyle pageLayout = page.saveOdf(); QString layoutName = mainStyles.lookup(pageLayout, "PL"); KoGenStyle masterPage(KoGenStyle::StyleMaster); masterPage.addAttribute("style:page-layout-name", layoutName); mainStyles.lookup(masterPage, "Default", KoGenStyles::DontForceNumbering); KTemporaryFile contentTmpFile; contentTmpFile.open(); KoXmlWriter contentTmpWriter(&contentTmpFile, 1); contentTmpWriter.startElement("office:body"); contentTmpWriter.startElement("office:drawing"); KoShapeSavingContext shapeContext(contentTmpWriter, mainStyles, documentContext.embeddedSaver); shapeContext.xmlWriter().startElement("draw:page"); shapeContext.xmlWriter().addAttribute("draw:name", ""); shapeContext.xmlWriter().addAttribute("draw:id", "page1"); shapeContext.xmlWriter().addAttribute("draw:master-page-name", "Default"); saveOdf(shapeContext); shapeContext.xmlWriter().endElement(); // draw:page contentTmpWriter.endElement(); // office:drawing contentTmpWriter.endElement(); // office:body mainStyles.saveOdfAutomaticStyles(docWriter, false); // And now we can copy over the contents from the tempfile to the real one contentTmpFile.seek(0); docWriter->addCompleteElement(&contentTmpFile); docWriter->endElement(); // Root element docWriter->endDocument(); delete docWriter; if (!store->close()) return false; manifestWriter->addManifestEntry("content.xml", "text/xml"); if (! mainStyles.saveOdfStylesDotXml(store, manifestWriter)) { return false; } manifestWriter->addManifestEntry("settings.xml", "text/xml"); if (! shapeContext.saveDataCenter(documentContext.odfStore.store(), documentContext.odfStore.manifestWriter())) return false; // Write out manifest file if (!odfStore.closeManifestWriter()) { dbgImage << "closing manifestWriter failed"; return false; } return true; } bool KisShapeSelection::loadSelection(KoStore* store) { KoOdfReadStore odfStore(store); QString errorMessage; odfStore.loadAndParse(errorMessage); if (!errorMessage.isEmpty()) { qDebug() << errorMessage; return false; } KoXmlElement contents = odfStore.contentDoc().documentElement(); // qDebug() <<"Start loading OASIS document..." << contents.text(); // qDebug() <<"Start loading OASIS contents..." << contents.lastChild().localName(); // qDebug() <<"Start loading OASIS contents..." << contents.lastChild().namespaceURI(); // qDebug() <<"Start loading OASIS contents..." << contents.lastChild().isElement(); KoXmlElement body(KoXml::namedItemNS(contents, KoXmlNS::office, "body")); if (body.isNull()) { qDebug() << "No office:body found!"; //setErrorMessage( i18n( "Invalid OASIS document. No office:body tag found." ) ); return false; } body = KoXml::namedItemNS(body, KoXmlNS::office, "drawing"); if (body.isNull()) { qDebug() << "No office:drawing found!"; //setErrorMessage( i18n( "Invalid OASIS document. No office:drawing tag found." ) ); return false; } KoXmlElement page(KoXml::namedItemNS(body, KoXmlNS::draw, "page")); if (page.isNull()) { qDebug() << "No office:drawing found!"; //setErrorMessage( i18n( "Invalid OASIS document. No draw:page tag found." ) ); return false; } KoXmlElement * master = 0; if (odfStore.styles().masterPages().contains("Standard")) master = odfStore.styles().masterPages().value("Standard"); else if (odfStore.styles().masterPages().contains("Default")) master = odfStore.styles().masterPages().value("Default"); else if (! odfStore.styles().masterPages().empty()) master = odfStore.styles().masterPages().begin().value(); if (master) { const KoXmlElement *style = odfStore.styles().findStyle( master->attributeNS(KoXmlNS::style, "page-layout-name", QString())); KoPageLayout pageLayout; pageLayout.loadOdf(*style); setSize(QSizeF(pageLayout.width, pageLayout.height)); } else { kWarning() << "No master page found!"; return false; } QMap<QString, KoDataCenter*> dataCenterMap; KoOdfLoadingContext context(odfStore.styles(), odfStore.store()); KoShapeLoadingContext shapeContext(context, dataCenterMap); KoXmlElement layerElement; forEachElement(layerElement, context.stylesReader().layerSet()) { if (!loadOdf(layerElement, shapeContext)) { kWarning() << "Could not load shape layer!"; return false; } } KoXmlElement child; forEachElement(child, page) { KoShape * shape = KoShapeRegistry::instance()->createShapeFromOdf(child, shapeContext); if (shape) { addChild(shape); } } return true; } void KisShapeSelection::addChild(KoShape *object) { KoShapeLayer::addChild(object); m_canvas->shapeManager()->add(object); } void KisShapeSelection::removeChild(KoShape *object) { m_canvas->shapeManager()->remove(object); KoShapeLayer::removeChild(object); } QPainterPath KisShapeSelection::selectionOutline() { if (m_dirty) { QList<KoShape*> shapesList = childShapes(); QPainterPath outline; foreach(KoShape * shape, shapesList) { QMatrix shapeMatrix = shape->absoluteTransformation(0); outline = outline.united(shapeMatrix.map(shape->outline())); } m_outline = outline; m_dirty = false; } return m_outline; } void KisShapeSelection::paintComponent(QPainter& painter, const KoViewConverter& converter) { Q_UNUSED(painter); Q_UNUSED(converter); } void KisShapeSelection::renderToProjection(KisSelection* projection) { Q_ASSERT(projection); Q_ASSERT(m_image); QMatrix resolutionMatrix; resolutionMatrix.scale(m_image->xRes(), m_image->yRes()); QRectF boundingRect = resolutionMatrix.mapRect(selectionOutline().boundingRect()); renderSelection(projection, boundingRect.toAlignedRect()); } void KisShapeSelection::renderToProjection(KisSelection* projection, const QRect& r) { Q_ASSERT(projection); renderSelection(projection, r); } void KisShapeSelection::renderSelection(KisSelection* projection, const QRect& r) { Q_ASSERT(projection); Q_ASSERT(m_image); QMatrix resolutionMatrix; resolutionMatrix.scale(m_image->xRes(), m_image->yRes()); QTime t; t.start(); KisPaintDeviceSP tmpMask = new KisPaintDevice(KoColorSpaceRegistry::instance()->alpha8()); const qint32 MASK_IMAGE_WIDTH = 256; const qint32 MASK_IMAGE_HEIGHT = 256; QImage polygonMaskImage(MASK_IMAGE_WIDTH, MASK_IMAGE_HEIGHT, QImage::Format_ARGB32); QPainter maskPainter(&polygonMaskImage); maskPainter.setRenderHint(QPainter::Antialiasing, true); // Break the mask up into chunks so we don't have to allocate a potentially very large QImage. for (qint32 x = r.x(); x < r.x() + r.width(); x += MASK_IMAGE_WIDTH) { for (qint32 y = r.y(); y < r.y() + r.height(); y += MASK_IMAGE_HEIGHT) { maskPainter.fillRect(polygonMaskImage.rect(), QColor(OPACITY_TRANSPARENT, OPACITY_TRANSPARENT, OPACITY_TRANSPARENT, 255)); maskPainter.translate(-x, -y); maskPainter.fillPath(resolutionMatrix.map(selectionOutline()), QColor(OPACITY_OPAQUE, OPACITY_OPAQUE, OPACITY_OPAQUE, 255)); maskPainter.translate(x, y); qint32 rectWidth = qMin(r.x() + r.width() - x, MASK_IMAGE_WIDTH); qint32 rectHeight = qMin(r.y() + r.height() - y, MASK_IMAGE_HEIGHT); KisRectIterator rectIt = tmpMask->createRectIterator(x, y, rectWidth, rectHeight); while (!rectIt.isDone()) { (*rectIt.rawData()) = qRed(polygonMaskImage.pixel(rectIt.x() - x, rectIt.y() - y)); ++rectIt; } } } KisPainter painter(projection); painter.bitBlt(r.x(), r.y(), tmpMask, r.x(), r.y(), r.width(), r.height()); painter.end(); dbgRender << "Shape selection rendering: " << t.elapsed(); } void KisShapeSelection::setDirty() { m_dirty = true; } KoShapeManager* KisShapeSelection::shapeManager() const { return m_canvas->shapeManager(); } KisShapeSelectionFactory::KisShapeSelectionFactory(QObject* parent) : KoShapeFactory(parent, "KisShapeSelection", "selection shape container") { } KoShape* KisShapeSelectionFactory::createDefaultShape() const { return 0; } KoShape* KisShapeSelectionFactory::createShape(const KoProperties* params) const { Q_UNUSED(params); return 0; } #include "kis_shape_selection.moc" krita/ui Skip menu "krita/ui" Main Page Namespace List Class Hierarchy Alphabetical List Class List File List Namespace Members Class Members API Reference Skip menu "API Reference" kdgantt Kexi   KoProperty   flake kplato krita   image   plugins       libbrush       libpaintop   ui kspread   part     scripting libs   flake   kotext   main   pigment   store   musicshape Generated for API Reference by doxygen 1.5.9-20090814 This website is maintained by Adriaan de Groot and Allen Winter. 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