1 files changed, 124 insertions, 0 deletions
diff --git a/filters/chalk/png/kis_png_export.cpp b/filters/chalk/png/kis_png_export.cpp
new file mode 100644
index 000000000..bb071ff2e
--- /dev/null
+++ b/filters/chalk/png/kis_png_export.cpp
@@ -0,0 +1,124 @@
+/*
+ *  Copyright (c) 2005-2006 Cyrille Berger <cberger@cberger.net>
+ *
+ *  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_png_export.h"
+
+#include <tqcheckbox.h>
+#include <tqslider.h>
+
+#include <tdeapplication.h>
+#include <kdialogbase.h>
+#include <kgenericfactory.h>
+
+#include <KoFilterChain.h>
+
+#include <kis_colorspace.h>
+#include <kis_doc.h>
+#include <kis_image.h>
+#include <kis_iterators_pixel.h>
+#include <kis_paint_layer.h>
+#include <kis_progress_display_interface.h>
+
+#include "kis_png_converter.h"
+#include "kis_wdg_options_png.h"
+
+typedef KGenericFactory<KisPNGExport, KoFilter> KisPNGExportFactory;
+K_EXPORT_COMPONENT_FACTORY(libchalkpngexport, KisPNGExportFactory("kofficefilters"))
+
+KisPNGExport::KisPNGExport(KoFilter *, const char *, const TQStringList&) : KoFilter()
+{
+}
+
+KisPNGExport::~KisPNGExport()
+{
+}
+
+KoFilter::ConversionStatus KisPNGExport::convert(const TQCString& from, const TQCString& to)
+{
+    kdDebug(41008) << "Png export! From: " << from << ", To: " << to << "\n";
+    
+    KisDoc *output = dynamic_cast<KisDoc*>(m_chain->inputDocument());
+    TQString filename = m_chain->outputFile();
+    
+    if (!output)
+        return KoFilter::CreationError;
+    
+    
+    if (filename.isEmpty()) return KoFilter::FileNotFound;
+
+    if (from != "application/x-chalk")
+        return KoFilter::NotImplemented;
+
+    
+    KDialogBase* kdb = new KDialogBase(0, "", false, i18n("PNG Export Options"), KDialogBase::Ok | KDialogBase::Cancel);
+    
+    KisImageSP img = output->currentImage();
+    KisPaintDeviceSP pd = new KisPaintDevice(*img->projection());
+    KisPaintLayerSP l = new KisPaintLayer(img, "projection", OPACITY_OPAQUE, pd);
+ 
+    KisRectIteratorPixel it = l->paintDevice()->createRectIterator(0,0, img->width(), img->height(), false);
+    KisColorSpace* cs = l->paintDevice()->colorSpace();
+    bool isThereAlpha = false;
+    while( !it.isDone() )
+    {
+        if(cs->getAlpha( it.rawData() ) != 255)
+        {
+            isThereAlpha = true;
+            break;
+        }
+        ++it;
+    }
+    
+    KisWdgOptionsPNG* wdg = new KisWdgOptionsPNG(kdb);
+    wdg->alpha->setChecked(isThereAlpha);
+    wdg->alpha->setEnabled(isThereAlpha);
+    kdb->setMainWidget(wdg);
+    kapp->restoreOverrideCursor();
+    if(kdb->exec() == TQDialog::Rejected)
+    {
+        return KoFilter::OK; // FIXME Cancel doesn't exist :(
+    }
+
+    bool alpha = wdg->alpha->isChecked();
+    bool interlace = wdg->interlacing->isChecked();
+    int compression = wdg->compressionLevel->value();
+    
+    delete kdb;
+
+
+    KURL url;
+    url.setPath(filename);
+
+    KisPNGConverter kpc(output, output->undoAdapter());
+
+    vKisAnnotationSP_it beginIt = img->beginAnnotations();
+    vKisAnnotationSP_it endIt = img->endAnnotations();
+    KisImageBuilder_Result res;
+
+    
+    if ( (res = kpc.buildFile(url, l, beginIt, endIt, compression, interlace, alpha)) == KisImageBuilder_RESULT_OK) {
+        kdDebug(41008) << "success !" << endl;
+        return KoFilter::OK;
+    }
+    kdDebug(41008) << " Result = " << res << endl;
+    return KoFilter::InternalError;
+}
+
+#include <kis_png_export.moc>
+