| -rw-r--r-- | noncore/graphics/drawpad/drawpadcanvas.cpp | 26 |
1 files changed, 17 insertions, 9 deletions
diff --git a/noncore/graphics/drawpad/drawpadcanvas.cpp b/noncore/graphics/drawpad/drawpadcanvas.cpp index b8a1c2e..4e17245 100644 --- a/noncore/graphics/drawpad/drawpadcanvas.cpp +++ b/noncore/graphics/drawpad/drawpadcanvas.cpp @@ -1,496 +1,504 @@ /*************************************************************************** * * * DrawPad - a drawing program for Opie Environment * * * * (C) 2002 by S. Prud'homme <prudhomme@laposte.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. * * * ***************************************************************************/ #include "drawpadcanvas.h" #include "drawpad.h" #include "newpagedialog.h" #include "tool.h" #include <qpe/applnk.h> #include <qpe/filemanager.h> #include <qpe/mimetype.h> #include <qbuffer.h> #include <qimage.h> #include <qmessagebox.h> #include <qpainter.h> #include <qpixmap.h> #include <qtextcodec.h> #include <qtextstream.h> #include <qxml.h> #include <zlib.h> class DrawPadCanvasXmlHandler: public QXmlDefaultHandler { public: DrawPadCanvasXmlHandler(); ~DrawPadCanvasXmlHandler(); QList<QPixmap> pixmaps(); bool startElement(const QString& namespaceURI, const QString& localName, const QString& qName, const QXmlAttributes& atts); bool endElement(const QString& namespaceURI, const QString& localName, const QString& qName); bool characters(const QString& ch); private: enum State { Unknown, InData }; State m_state; ulong m_dataLenght; QString m_dataFormat; QList<QPixmap> m_pixmaps; }; DrawPadCanvasXmlHandler::DrawPadCanvasXmlHandler() { m_state = Unknown; } DrawPadCanvasXmlHandler::~DrawPadCanvasXmlHandler() { } QList<QPixmap> DrawPadCanvasXmlHandler::pixmaps() { return m_pixmaps; } bool DrawPadCanvasXmlHandler::startElement(const QString& namespaceURI, const QString& localName, const QString& qName, const QXmlAttributes& atts) { Q_CONST_UNUSED(namespaceURI) Q_CONST_UNUSED(localName) if (qName.compare("data") == 0) { m_state = InData; m_dataLenght = atts.value("length").toULong(); m_dataFormat = atts.value("format"); if (m_dataFormat.isEmpty()) { m_dataFormat = "XPM"; } } return true; } bool DrawPadCanvasXmlHandler::endElement(const QString& namespaceURI, const QString& localName, const QString& qName) { Q_CONST_UNUSED(namespaceURI) Q_CONST_UNUSED(localName) if (qName.compare("data") == 0) { m_state = Unknown; } return true; } bool DrawPadCanvasXmlHandler::characters(const QString& ch) { if (m_state == InData) { QByteArray byteArray(ch.length() / 2); for (int i = 0; i < (int)ch.length() / 2; i++) { char h = ch[2 * i].latin1(); char l = ch[2 * i + 1].latin1(); uchar r = 0; if (h <= '9') { r += h - '0'; } else { r += h - 'a' + 10; } r = r << 4; if (l <= '9') { r += l - '0'; } else { r += l - 'a' + 10; } byteArray[i] = r; } - if (m_dataLenght < ch.length() * 5) { - m_dataLenght = ch.length() * 5; - } - - QByteArray byteArrayUnzipped(m_dataLenght); - ::uncompress((uchar*)byteArrayUnzipped.data(), &m_dataLenght, (uchar*)byteArray.data(), byteArray.size()); QImage image; - image.loadFromData((const uchar*)byteArrayUnzipped.data(), m_dataLenght, m_dataFormat); + + if (m_dataFormat == "XPM") { + if (m_dataLenght < ch.length() * 5) { + m_dataLenght = ch.length() * 5; + } + + QByteArray byteArrayUnzipped(m_dataLenght); + ::uncompress((uchar*)byteArrayUnzipped.data(), &m_dataLenght, (uchar*)byteArray.data(), byteArray.size()); + + image.loadFromData((const uchar*)byteArrayUnzipped.data(), m_dataLenght, m_dataFormat); + } else { + image.loadFromData((const uchar*)byteArray.data(), m_dataLenght, m_dataFormat); + } QPixmap* pixmap = new QPixmap(image.width(), image.height()); pixmap->convertFromImage(image); m_pixmaps.append(pixmap); } return true; } DrawPadCanvas::DrawPadCanvas(DrawPad* drawPad, QWidget* parent, const char* name) : QScrollView(parent, name) { m_pDrawPad = drawPad; m_pages.setAutoDelete(true); m_pageBackups.setAutoDelete(true); } DrawPadCanvas::~DrawPadCanvas() { } void DrawPadCanvas::load(QIODevice* ioDevice) { QTextStream textStream(ioDevice); textStream.setCodec(QTextCodec::codecForName("UTF-8")); QXmlInputSource xmlInputSource(textStream); QXmlSimpleReader xmlSimpleReader; DrawPadCanvasXmlHandler drawPadCanvasXmlHandler; xmlSimpleReader.setContentHandler(&drawPadCanvasXmlHandler); xmlSimpleReader.parse(xmlInputSource); m_pages = drawPadCanvasXmlHandler.pixmaps(); if (m_pages.isEmpty()) { m_pages.append(new QPixmap(contentsRect().size())); m_pages.current()->fill(Qt::white); } m_pageBackups.clear(); m_pageBackups.append(new QPixmap(*(m_pages.current()))); resizeContents(m_pages.current()->width(), m_pages.current()->height()); viewport()->update(); emit pagesChanged(); emit pageBackupsChanged(); } void DrawPadCanvas::initialPage() { m_pages.append(new QPixmap(234, 233)); m_pages.current()->fill(Qt::white); m_pageBackups.clear(); m_pageBackups.append(new QPixmap(*(m_pages.current()))); resizeContents(m_pages.current()->width(), m_pages.current()->height()); viewport()->update(); emit pagesChanged(); emit pageBackupsChanged(); } void DrawPadCanvas::save(QIODevice* ioDevice) { QTextStream textStream(ioDevice); textStream.setCodec(QTextCodec::codecForName("UTF-8")); textStream << "<drawpad>" << endl; textStream << " <images>" << endl; QListIterator<QPixmap> bufferIterator(m_pages); for (bufferIterator.toFirst(); bufferIterator.current() != 0; ++bufferIterator) { textStream << " <image>" << endl; QImage image = bufferIterator.current()->convertToImage(); QByteArray byteArray; QBuffer buffer(byteArray); QImageIO imageIO(&buffer, "PNG"); buffer.open(IO_WriteOnly); imageIO.setImage(image); imageIO.write(); buffer.close(); +/* ulong size = byteArray.size() * 2; QByteArray byteArrayZipped(size); ::compress((uchar*)byteArrayZipped.data(), &size, (uchar*)byteArray.data(), byteArray.size()); +*/ textStream << " <data length=\"" << byteArray.size() << "\" format=\"PNG\">"; static const char hexchars[] = "0123456789abcdef"; - for (int i = 0; i < (int)size; i++ ) { - uchar s = (uchar)byteArrayZipped[i]; + for (int i = 0; i < (int)byteArray.size(); i++ ) { + uchar s = (uchar)byteArray[i]; textStream << hexchars[s >> 4]; textStream << hexchars[s & 0x0f]; } textStream << "</data>" << endl; textStream << " </image>" << endl; } textStream << " </images>" << endl; textStream << "</drawpad>"; } void DrawPadCanvas::importPage(const QString& fileName) { QPixmap* importedPixmap = new QPixmap(); importedPixmap->load(fileName); m_pages.insert(m_pages.at() + 1, importedPixmap); m_pageBackups.clear(); m_pageBackups.append(new QPixmap(*(m_pages.current()))); resizeContents(m_pages.current()->width(), m_pages.current()->height()); viewport()->update(); emit pagesChanged(); emit pageBackupsChanged(); } void DrawPadCanvas::exportPage(uint fromPage, uint toPage, const QString& name,const QString& format) { if (fromPage == toPage) { DocLnk docLnk; MimeType mimeType(format); docLnk.setName(name); docLnk.setType(mimeType.id()); FileManager fileManager; QIODevice* ioDevice = fileManager.saveFile(docLnk); QImageIO imageIO(ioDevice, format); QImage image = m_pages.current()->convertToImage(); imageIO.setImage(image); imageIO.write(); delete ioDevice; } else { for (uint i = fromPage; i <= toPage; i++) { DocLnk docLnk; MimeType mimeType(format); docLnk.setName(name + QString::number(i)); docLnk.setType(mimeType.id()); FileManager fileManager; QIODevice* ioDevice = fileManager.saveFile(docLnk); QImageIO imageIO(ioDevice, format); QImage image = m_pages.at(i - 1)->convertToImage(); imageIO.setImage(image); imageIO.write(); delete ioDevice; } } } QPixmap* DrawPadCanvas::currentPage() { return m_pages.current(); } uint DrawPadCanvas::pagePosition() { return (m_pages.at() + 1); } uint DrawPadCanvas::pageCount() { return m_pages.count(); } void DrawPadCanvas::deleteAll() { QMessageBox messageBox(tr("Delete All"), tr("Do you want to delete\nall the pages?"), QMessageBox::Information, QMessageBox::Yes, QMessageBox::No | QMessageBox::Escape | QMessageBox::Default, QMessageBox::NoButton, this); if (messageBox.exec() == QMessageBox::Yes) { m_pages.clear(); m_pages.append(new QPixmap(contentsRect().size())); m_pages.current()->fill(Qt::white); m_pageBackups.clear(); m_pageBackups.append(new QPixmap(*(m_pages.current()))); resizeContents(m_pages.current()->width(), m_pages.current()->height()); viewport()->update(); emit pagesChanged(); emit pageBackupsChanged(); } } void DrawPadCanvas::newPage() { QRect rect = contentsRect(); NewPageDialog newPageDialog(rect.width(), rect.height(), m_pDrawPad->pen().color(), m_pDrawPad->brush().color(), this); if (newPageDialog.exec() == QDialog::Accepted) { m_pages.insert(m_pages.at() + 1, new QPixmap(newPageDialog.selectedWidth(), newPageDialog.selectedHeight())); m_pages.current()->fill(newPageDialog.selectedColor()); m_pageBackups.clear(); m_pageBackups.append(new QPixmap(*(m_pages.current()))); resizeContents(m_pages.current()->width(), m_pages.current()->height()); viewport()->update(); emit pagesChanged(); emit pageBackupsChanged(); } } void DrawPadCanvas::clearPage() { QMessageBox messageBox(tr("Clear Page"), tr("Do you want to clear\nthe current page?"), QMessageBox::Information, QMessageBox::Yes, QMessageBox::No | QMessageBox::Escape | QMessageBox::Default, QMessageBox::NoButton, this); if (messageBox.exec() == QMessageBox::Yes) { m_pages.current()->fill(Qt::white); viewport()->update(); } } void DrawPadCanvas::deletePage() { QMessageBox messageBox(tr("Delete Page"), tr("Do you want to delete\nthe current page?"), QMessageBox::Information, QMessageBox::Yes, QMessageBox::No | QMessageBox::Escape | QMessageBox::Default, QMessageBox::NoButton, this); if (messageBox.exec() == QMessageBox::Yes) { m_pages.remove(m_pages.current()); if (m_pages.isEmpty()) { m_pages.append(new QPixmap(contentsRect().size())); m_pages.current()->fill(Qt::white); } m_pageBackups.clear(); m_pageBackups.append(new QPixmap(*(m_pages.current()))); resizeContents(m_pages.current()->width(), m_pages.current()->height()); viewport()->update(); emit pagesChanged(); emit pageBackupsChanged(); } } bool DrawPadCanvas::undoEnabled() { return (m_pageBackups.current() != m_pageBackups.getFirst()); } bool DrawPadCanvas::redoEnabled() { return (m_pageBackups.current() != m_pageBackups.getLast()); } bool DrawPadCanvas::goPreviousPageEnabled() { return (m_pages.current() != m_pages.getFirst()); } bool DrawPadCanvas::goNextPageEnabled() { return (m_pages.current() != m_pages.getLast()); } void DrawPadCanvas::undo() { *(m_pages.current()) = *(m_pageBackups.prev()); viewport()->update(); emit pageBackupsChanged(); } void DrawPadCanvas::redo() { *(m_pages.current()) = *(m_pageBackups.next()); viewport()->update(); emit pageBackupsChanged(); } void DrawPadCanvas::goFirstPage() { m_pages.first(); m_pageBackups.clear(); m_pageBackups.append(new QPixmap(*(m_pages.current()))); resizeContents(m_pages.current()->width(), m_pages.current()->height()); viewport()->update(); emit pagesChanged(); emit pageBackupsChanged(); } void DrawPadCanvas::goPreviousPage() { m_pages.prev(); m_pageBackups.clear(); m_pageBackups.append(new QPixmap(*(m_pages.current()))); resizeContents(m_pages.current()->width(), m_pages.current()->height()); viewport()->update(); emit pagesChanged(); emit pageBackupsChanged(); } void DrawPadCanvas::goNextPage() { m_pages.next(); m_pageBackups.clear(); m_pageBackups.append(new QPixmap(*(m_pages.current()))); resizeContents(m_pages.current()->width(), m_pages.current()->height()); viewport()->update(); emit pagesChanged(); emit pageBackupsChanged(); } void DrawPadCanvas::goLastPage() { m_pages.last(); m_pageBackups.clear(); m_pageBackups.append(new QPixmap(*(m_pages.current()))); resizeContents(m_pages.current()->width(), m_pages.current()->height()); viewport()->update(); emit pagesChanged(); emit pageBackupsChanged(); |