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418 lines
12 KiB
418 lines
12 KiB
/*
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Copyright (C) 2001-2003 KSVG Team
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This file is part of the KDE project
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This library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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This library 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 GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public License
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along with this library; see the file COPYING.LIB. If not, write to
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the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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Boston, MA 02110-1301, USA.
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*/
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#include <krun.h>
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#include <kdebug.h>
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#include <tdeaction.h>
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#include <tdefiledialog.h>
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#include <klocale.h>
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#include <ktempfile.h>
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#include <ksimpleconfig.h>
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#include <kaboutapplication.h>
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#include "ksvg_widget.h"
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#include "ksvg_factory.h"
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#include "ksvg_plugin.moc"
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#include "KSVGCanvas.h"
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#include "KSVGLoader.h"
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#include "CanvasFactory.h"
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#include "DocumentFactory.h"
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#include "SVGDocument.h"
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#include "SVGWindowImpl.h"
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#include "SVGZoomAndPan.h"
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#include "SVGDocumentImpl.h"
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#include "SVGSVGElementImpl.h"
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#include <tqimage.h>
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using namespace KSVG;
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#define DEFAULT_WIDTH 400
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#define DEFAULT_HEIGHT 400
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#define ZOOM_FACTOR 1.2
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struct KSVGPlugin::Private
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{
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KSVGWidget *window;
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KSVGPluginBrowserExtension *extension;
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TDEAction *zoomInAction;
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TDEAction *zoomOutAction;
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TDEAction *zoomResetAction;
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TDEAction *stopAnimationsAction;
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TDEAction *viewSourceAction;
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TDEAction *viewMemoryAction;
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TDEAction *aboutApp;
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TDEAction *saveToPNG;
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TDEToggleAction *fontKerningAction;
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TDEToggleAction *progressiveAction;
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TDESelectAction *renderingBackendAction;
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TQString description;
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TQPoint panPoint;
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float zoomFactor;
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SVGDocumentImpl *doc;
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KSVGCanvas *canvas;
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TQPixmap *backgroundPixmap;
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TDEAboutApplication *aboutKSVG;
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unsigned int width;
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unsigned int height;
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};
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KSVGPlugin::KSVGPlugin(TQWidget *wparent, const char *, TQObject *parent, const char *name, unsigned int width, unsigned int height) : KParts::ReadOnlyPart(parent, name)
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{
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kdDebug(26003) << "KSVGPlugin::KSVGPlugin" << endl;
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setInstance(KSVGPluginFactory::instance());
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ksvgd = new KSVGPlugin::Private();
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ksvgd->width = width;
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ksvgd->height = height;
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ksvgd->zoomFactor = 1.0;
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ksvgd->doc = 0;
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ksvgd->window = new KSVGWidget(this, wparent, "Rendering Widget");
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connect(ksvgd->window, TQT_SIGNAL(browseURL(const TQString &)), this, TQT_SLOT(browseURL(const TQString &)));
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ksvgd->window->show();
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KParts::Part::setWidget(ksvgd->window);
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ksvgd->extension = new KSVGPluginBrowserExtension(this);
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ksvgd->backgroundPixmap = new TQPixmap(width > 0 ? width : DEFAULT_WIDTH, height > 0 ? height : DEFAULT_HEIGHT);
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ksvgd->backgroundPixmap->fill();
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ksvgd->canvas = KSVG::CanvasFactory::self()->loadCanvas(width > 0 ? width : DEFAULT_WIDTH, height > 0 ? height : DEFAULT_HEIGHT);
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if(!ksvgd->canvas)
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return;
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ksvgd->canvas->setup(TQT_TQPAINTDEVICE(ksvgd->backgroundPixmap), TQT_TQPAINTDEVICE(ksvgd->window));
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ksvgd->zoomInAction = KStdAction::zoomIn(this, TQT_SLOT(slotZoomIn()), actionCollection());
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ksvgd->zoomOutAction = KStdAction::zoomOut(this, TQT_SLOT(slotZoomOut()), actionCollection());
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ksvgd->zoomResetAction = new TDEAction(i18n("Zoom &Reset"), "viewmag", this, TQT_SLOT(slotZoomReset()), actionCollection(), "zoom_reset");
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ksvgd->stopAnimationsAction = new TDEAction(i18n("&Stop Animations"), "stop", Key_Escape, this, TQT_SLOT(slotStop()), actionCollection(), "stop_anims");
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ksvgd->viewSourceAction = new TDEAction(i18n("View &Source"), "document2", Key_F6, this, TQT_SLOT(slotViewSource()), actionCollection(), "view_source");
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ksvgd->viewMemoryAction = new TDEAction(i18n("View &Memory"), "document2", Key_F7, this, TQT_SLOT(slotViewMemory()), actionCollection(), "view_memory");
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ksvgd->saveToPNG = new TDEAction(i18n("Save to PNG..."), "save", 0, this, TQT_SLOT(slotSaveToPNG()), actionCollection(), "save_to_png");
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// ksvgd->aboutApp = KStdAction::aboutApp(this, TQT_SLOT(slotAboutKSVG()), actionCollection());//, "KSVG");
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ksvgd->aboutApp = new TDEAction(i18n("About KSVG"), "vectorgfx", 0, this, TQT_SLOT(slotAboutKSVG()), actionCollection(), "help_about_app");
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ksvgd->fontKerningAction = new TDEToggleAction(i18n("Use Font &Kerning"), "viewmagfit", Key_F8, this, TQT_SLOT(slotFontKerning()), actionCollection(), "font_kerning");
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ksvgd->progressiveAction = new TDEToggleAction(i18n("Use &Progressive Rendering"), "", Key_F9, this, TQT_SLOT(slotProgressiveRendering()), actionCollection(), "progressive");
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KSimpleConfig config("ksvgpluginrc", true);
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config.setGroup("Rendering");
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ksvgd->fontKerningAction->setChecked(config.readBoolEntry("FontKerning", true));
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ksvgd->progressiveAction->setChecked(config.readBoolEntry("ProgressiveRendering", true));
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ksvgd->renderingBackendAction = new TDESelectAction(i18n("Rendering &Backend"), 0, this, TQT_SLOT(slotRenderingBackend()), actionCollection(), "rendering_backend");
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TQStringList items;
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TQPtrList<KSVG::CanvasInfo> canvasList = KSVG::CanvasFactory::self()->canvasList();
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TQPtrListIterator<KSVG::CanvasInfo> it(canvasList);
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KSVG::CanvasInfo *canvasInfo = 0;
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while((canvasInfo = it.current()) != 0)
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{
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items << canvasInfo->name;
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++it;
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}
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ksvgd->renderingBackendAction->setItems(items);
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ksvgd->renderingBackendAction->setCurrentItem(KSVG::CanvasFactory::self()->itemInList(ksvgd->canvas));
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ksvgd->aboutKSVG = new TDEAboutApplication(KSVGPluginFactory::instance()->aboutData(), wparent);
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setXMLFile("ksvgplugin.rc");
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}
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KSVGPlugin::~KSVGPlugin()
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{
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kdDebug(26003) << "KSVGPlugin::~KSVGPlugin" << endl;
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if(ksvgd->doc && ksvgd->doc->rootElement())
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ksvgd->doc->rootElement()->pauseAnimations();
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KSVG::CanvasFactory::self()->cleanup();
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delete ksvgd->extension;
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if(ksvgd->doc)
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ksvgd->doc->detach();
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delete ksvgd->canvas;
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delete ksvgd->backgroundPixmap;
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delete ksvgd;
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}
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SVGDocumentImpl *KSVGPlugin::docImpl()
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{
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return ksvgd->doc;
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}
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SVGDocument KSVGPlugin::document()
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{
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return SVGDocument(ksvgd->doc);
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}
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void KSVGPlugin::reset()
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{
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if(ksvgd->canvas)
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ksvgd->canvas->reset();
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ksvgd->zoomFactor = 1;
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ksvgd->window->reset();
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ksvgd->panPoint = TQPoint(0, 0);
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}
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bool KSVGPlugin::openURL(const KURL &url)
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{
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m_url = url;
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if(!url.prettyURL().isEmpty())
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{
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reset();
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DocumentFactory *docFactory = DocumentFactory::self();
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// when embedded, stick to passed width and height
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ksvgd->doc = docFactory->requestDocumentImpl((ksvgd->width > 0 && ksvgd->height > 0));
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ksvgd->doc->attach(ksvgd->canvas);
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ksvgd->doc->addToDocumentDict(ksvgd->doc->handle(), ksvgd->doc);
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ksvgd->doc->setReferrer(ksvgd->extension->urlArgs().metaData()["referrer"]);
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connect(ksvgd->doc, TQT_SIGNAL(finishedParsing(bool, const TQString &)), this, TQT_SLOT(slotParsingFinished(bool, const TQString &)));
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connect(ksvgd->doc, TQT_SIGNAL(finishedRendering()), this, TQT_SLOT(slotRenderingFinished()));
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connect(ksvgd->doc, TQT_SIGNAL(gotDescription(const TQString &)), this, TQT_SLOT(slotSetDescription(const TQString &)));
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connect(ksvgd->doc, TQT_SIGNAL(gotTitle(const TQString &)), this, TQT_SLOT(slotSetTitle(const TQString &)));
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connect(ksvgd->doc, TQT_SIGNAL(gotURL(const TQString &)), this, TQT_SLOT(slotGotURL(const TQString &)));
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connect(ksvgd->window, TQT_SIGNAL(redraw(const TQRect &)), this, TQT_SLOT(slotRedraw(const TQRect &)));
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ksvgd->backgroundPixmap->fill();
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bitBlt(ksvgd->window, 0, 0, ksvgd->backgroundPixmap, 0, 0, ksvgd->backgroundPixmap->width(), ksvgd->backgroundPixmap->height());
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ksvgd->zoomFactor = 1;
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emit started(0);
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ksvgd->doc->open(url);
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emit completed();
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}
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else
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return false;
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return true;
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}
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void KSVGPlugin::browseURL(const TQString &url)
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{
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ksvgd->doc->rootElement()->pauseAnimations();
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KParts::URLArgs args;
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args.frameName = "_self";
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emit ksvgd->extension->openURLRequest(KURL(m_url, url), args);
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}
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void KSVGPlugin::slotRedraw(const TQRect &r)
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{
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if(ksvgd->window->width() != ksvgd->backgroundPixmap->width() ||
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ksvgd->window->height() != ksvgd->backgroundPixmap->height())
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{
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ksvgd->backgroundPixmap->resize(ksvgd->window->width(), ksvgd->window->height());
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if(ksvgd->doc && ksvgd->doc->canvas())
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{
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ksvgd->doc->canvas()->resize(ksvgd->window->width(), ksvgd->window->height());
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ksvgd->doc->canvas()->blit();
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}
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}
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bitBlt(ksvgd->window, r.x(), r.y(), ksvgd->backgroundPixmap, r.x(), r.y(), r.width(), r.height());
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}
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void KSVGPlugin::slotViewSource()
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{
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KTempFile temp;
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*temp.textStream() << KSVGLoader::getUrl(m_url, true) << endl;
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KRun::runURL(KURL(temp.name()), "text/plain", true);
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}
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void KSVGPlugin::slotViewMemory()
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{
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KTempFile temp;
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*temp.textStream() << ksvgd->doc->window()->printNode(*ksvgd->doc).string() << endl;
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KRun::runURL(KURL(temp.name()), "text/plain", true);
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}
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void KSVGPlugin::slotFontKerning()
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{
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KSimpleConfig config("ksvgpluginrc", false);
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config.setGroup("Rendering");
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config.writeEntry("FontKerning", ksvgd->fontKerningAction->isChecked());
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if(ksvgd->doc)
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{
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SVGSVGElementImpl *root = ksvgd->doc->rootElement();
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if(!root)
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return;
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ksvgd->doc->canvas()->fontContext()->setKerning(ksvgd->fontKerningAction->isChecked());
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update();
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}
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}
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void KSVGPlugin::slotProgressiveRendering()
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{
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KSimpleConfig config("ksvgpluginrc", false);
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config.setGroup("Rendering");
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config.writeEntry("ProgressiveRendering", ksvgd->progressiveAction->isChecked());
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}
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void KSVGPlugin::slotRenderingBackend()
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{
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KSimpleConfig config("ksvgpluginrc", false);
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config.setGroup("Canvas");
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config.writeEntry("ActiveCanvas", KSVG::CanvasFactory::self()->internalNameFor(ksvgd->renderingBackendAction->currentText()));
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config.sync();
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KSVG::CanvasFactory::self()->deleteCanvas(ksvgd->canvas);
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ksvgd->canvas = KSVG::CanvasFactory::self()->loadCanvas(ksvgd->width > 0 ? ksvgd->width : DEFAULT_WIDTH, ksvgd->height > 0 ? ksvgd->height : DEFAULT_HEIGHT);
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if(!ksvgd->canvas)
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return;
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ksvgd->canvas->setup(TQT_TQPAINTDEVICE(ksvgd->backgroundPixmap), TQT_TQPAINTDEVICE(ksvgd->window));
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openURL(m_url);
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}
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void KSVGPlugin::slotAboutKSVG()
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{
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ksvgd->aboutKSVG->show();
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}
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void KSVGPlugin::slotStop()
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{
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if(ksvgd->doc->rootElement()->animationsPaused())
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ksvgd->doc->rootElement()->unpauseAnimations();
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else
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ksvgd->doc->rootElement()->pauseAnimations();
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}
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void KSVGPlugin::slotParsingFinished(bool error, const TQString &errorDesc)
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{
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emit completed();
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if(error)
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{
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kdDebug(26003) << "Finished with error : " << errorDesc << endl;
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emit setStatusBarText(errorDesc);
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}
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else
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kdDebug(26003) << "Finished without errors!" << endl;
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}
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void KSVGPlugin::slotRenderingFinished()
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{
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bitBlt(ksvgd->window, 0, 0, ksvgd->backgroundPixmap, 0, 0, ksvgd->canvas->width(), ksvgd->canvas->height());
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}
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void KSVGPlugin::slotZoomIn()
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{
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ksvgd->zoomFactor *= ZOOM_FACTOR;
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update();
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}
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void KSVGPlugin::slotZoomOut()
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{
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ksvgd->zoomFactor *= (1.0 / ZOOM_FACTOR);
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update();
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}
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void KSVGPlugin::slotZoomReset()
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{
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ksvgd->zoomFactor = 1.0;
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update();
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}
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void KSVGPlugin::slotSaveToPNG()
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{
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if(ksvgd && ksvgd->backgroundPixmap)
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{
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TQImage img = ksvgd->backgroundPixmap->convertToImage();
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TQString filename = KFileDialog::getSaveFileName();
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if(!filename.isEmpty())
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img.save(filename, "PNG");
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}
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}
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void KSVGPlugin::setPanPoint(const TQPoint &translate)
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{
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ksvgd->panPoint = translate;
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update();
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}
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void KSVGPlugin::update()
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{
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if(ksvgd->doc)
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{
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SVGSVGElementImpl *root = ksvgd->doc->rootElement();
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if(!root || root->zoomAndPan() != SVG_ZOOMANDPAN_MAGNIFY)
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return;
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ksvgd->backgroundPixmap->fill();
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bool zoomChanged = ksvgd->zoomFactor != root->currentScale();
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root->setCurrentScale(ksvgd->zoomFactor);
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root->setCurrentTranslate(ksvgd->panPoint);
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ksvgd->doc->syncCachedMatrices();
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if(zoomChanged)
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ksvgd->doc->canvas()->update(ksvgd->zoomFactor);
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else
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ksvgd->doc->canvas()->update(ksvgd->panPoint);
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// Fixes drawing glitches
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slotRedraw(TQRect(0, 0, ksvgd->backgroundPixmap->width(), ksvgd->backgroundPixmap->height()));
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}
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}
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void KSVGPlugin::slotSetDescription(const TQString &desc)
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{
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ksvgd->description = desc;
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emit setStatusBarText(i18n("Description: %1").arg(desc));
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}
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void KSVGPlugin::slotSetTitle(const TQString &title)
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{
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emit setWindowCaption(title);
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}
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void KSVGPlugin::slotGotURL(const TQString &text)
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{
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if(text.isNull() && !ksvgd->description.isEmpty())
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emit setStatusBarText(i18n("Description: %1").arg(ksvgd->description));
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else
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emit setStatusBarText(text);
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}
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// vim:ts=4:noet
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