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OpenBoard/src/adaptors/UBCFFSubsetAdaptor.cpp

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/*
* 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, see <http://www.gnu.org/licenses/>.
*/
#include <QRegExp>
#include <QSvgGenerator>
#include <QSvgRenderer>
#include <QPixmap>
#include "core/UBPersistenceManager.h"
#include "document/UBDocumentProxy.h"
#include "domain/UBItem.h"
#include "domain/UBGraphicsPolygonItem.h"
#include "domain/UBGraphicsStroke.h"
#include "domain/UBGraphicsTextItem.h"
#include "domain/UBGraphicsSvgItem.h"
#include "domain/UBGraphicsPixmapItem.h"
#include "domain/UBGraphicsMediaItem.h"
#include "domain/UBGraphicsWidgetItem.h"
#include "domain/UBGraphicsTextItem.h"
#include "domain/UBGraphicsTextItemDelegate.h"
#include "domain/UBW3CWidget.h"
#include "frameworks/UBFileSystemUtils.h"
#include "UBCFFSubsetAdaptor.h"
#include "UBMetadataDcSubsetAdaptor.h"
#include "UBThumbnailAdaptor.h"
#include "UBSvgSubsetAdaptor.h"
#include "core/UBApplication.h"
#include "QFile"
#include "core/memcheck.h"
//#include "qtlogger.h"
//tag names definition. Use them everiwhere!
static QString tElement = "element";
static QString tGroup = "group";
static QString tEllipse = "ellipse";
static QString tIwb = "iwb";
static QString tMeta = "meta";
static QString tPage = "page";
static QString tPageset = "pageset";
static QString tG = "g";
static QString tSwitch = "switch";
static QString tPolygon = "polygon";
static QString tPolyline = "polyline";
static QString tRect = "rect";
static QString tSvg = "svg";
static QString tText = "text";
static QString tTextarea = "textarea";
static QString tTspan = "tspan";
static QString tBreak = "tbreak";
static QString tImage = "image";
static QString tFlash = "flash";
static QString tAudio = "a";
static QString tVideo = "video";
//attribute names definition
static QString aFill = "fill";
static QString aFillopacity = "fill-opacity";
static QString aX = "x";
static QString aY = "y";
static QString aWidth = "width";
static QString aHeight = "height";
static QString aStroke = "stroke";
static QString aStrokewidth = "stroke-width";
static QString aCx = "cx";
static QString aCy = "cy";
static QString aRx = "rx";
static QString aRy = "ry";
static QString aTransform = "transform";
static QString aViewbox = "viewbox";
static QString aFontSize = "font-size";
static QString aFontfamily = "font-family";
static QString aFontstretch = "font-stretch";
static QString aFontstyle = "font-style";
static QString aFontweight = "font-weight";
static QString aTextalign = "text-align";
static QString aPoints = "points";
static QString svgNS = "http://www.w3.org/2000/svg";
static QString iwbNS = "http://www.becta.org.uk/iwb";
static QString aId = "id";
static QString aRef = "ref";
static QString aHref = "href";
static QString aBackground = "background";
static QString aLocked = "locked";
static QString aEditable = "editable";
//attributes part names
static QString apRotate = "rotate";
static QString apTranslate = "translate";
UBCFFSubsetAdaptor::UBCFFSubsetAdaptor()
{}
bool UBCFFSubsetAdaptor::ConvertCFFFileToUbz(QString &cffSourceFile, UBDocumentProxy* pDocument)
{
//TODO
// fill document proxy metadata
// create persistance manager to save data using proxy
// create UBCFFSubsetReader and make it parse cffSourceFolder
QFile file(cffSourceFile);
if (!file.open(QIODevice::ReadOnly))
{
qWarning() << "Cannot open file " << cffSourceFile << " for reading ...";
return false;
}
UBCFFSubsetReader cffReader(pDocument, &file);
bool result = cffReader.parse();
file.close();
return result;
}
UBCFFSubsetAdaptor::UBCFFSubsetReader::UBCFFSubsetReader(UBDocumentProxy *proxy, QFile *content):
mProxy(proxy)
{
int errorLine, errorColumn;
QString errorStr;
if(!mDOMdoc.setContent(content, true, &errorStr, &errorLine, &errorColumn)){
qWarning() << "Error:Parseerroratline" << errorLine << ","
<< "column" << errorColumn << ":" << errorStr;
} else {
qDebug() << "well parsed to DOM";
pwdContent = QFileInfo(content->fileName()).dir().absolutePath();
}
qDebug() << "tmp path is" << pwdContent;
}
bool UBCFFSubsetAdaptor::UBCFFSubsetReader::parse()
{
UBMetadataDcSubsetAdaptor::persist(mProxy);
mIndent = "";
if (!getTempFileName() || !createTempFlashPath())
return false;
if (mDOMdoc.isNull())
return false;
bool result = parseDoc();
if (result)
result = mProxy->pageCount() != 0;
if (QFile::exists(mTempFilePath))
QFile::remove(mTempFilePath);
// if (mTmpFlashDir.exists())
// UBFileSystemUtils::deleteDir(mTmpFlashDir.path());
return result;
}
bool UBCFFSubsetAdaptor::UBCFFSubsetReader::parseGSection(const QDomElement &element)
{
QDomElement currentSvgElement = element.firstChildElement();
while (!currentSvgElement.isNull()) {
if (!parseSvgElement(currentSvgElement))
return false;
currentSvgElement = currentSvgElement.nextSiblingElement();
}
return true;
}
bool UBCFFSubsetAdaptor::UBCFFSubsetReader::parseSvgSwitchSection(const QDomElement &element)
{
QDomElement currentSvgElement = element.firstChildElement();
while (!currentSvgElement.isNull()) {
if (parseSvgElement(currentSvgElement))
return true;
}
return false;
}
bool UBCFFSubsetAdaptor::UBCFFSubsetReader::parseSvgRect(const QDomElement &element)
{
qreal x1 = element.attribute(aX).toDouble();
qreal y1 = element.attribute(aY).toDouble();
//rect dimensions
qreal width = element.attribute(aWidth).toDouble();
qreal height = element.attribute(aHeight).toDouble();
QString textFillColor = element.attribute(aFill);
QString textStrokeColor = element.attribute(aStroke);
QString textStrokeWidth = element.attribute(aStrokewidth);
QColor fillColor = !textFillColor.isNull() ? colorFromString(textFillColor) : QColor();
QColor strokeColor = !textStrokeColor.isNull() ? colorFromString(textStrokeColor) : QColor();
int strokeWidth = textStrokeWidth.toInt();
x1 -= strokeWidth/2;
y1 -= strokeWidth/2;
width += strokeWidth;
height += strokeWidth;
//init svg generator with temp file
QSvgGenerator *generator = createSvgGenerator(width, height);
//init painter to paint to svg
QPainter painter;
painter.begin(generator);
//fill rect
if (fillColor.isValid()) {
painter.setBrush(QBrush(fillColor));
painter.fillRect(0, 0, width, height, fillColor);
}
QPen pen;
if (strokeColor.isValid()) {
pen.setColor(strokeColor);
}
if (strokeWidth)
pen.setWidth(strokeWidth);
painter.setPen(pen);
painter.drawRect(0, 0, width, height);
painter.end();
UBGraphicsSvgItem *svgItem = mCurrentScene->addSvg(QUrl::fromLocalFile(generator->fileName()));
QTransform transform;
QString textTransform = element.attribute(aTransform);
svgItem->resetTransform();
if (!textTransform.isNull()) {
transform = transformFromString(textTransform, svgItem);
}
repositionSvgItem(svgItem, width, height, x1, y1, transform);
hashSceneItem(element, svgItem);
delete generator;
return true;
}
bool UBCFFSubsetAdaptor::UBCFFSubsetReader::parseSvgEllipse(const QDomElement &element)
{
//ellipse horisontal and vertical radius
qreal rx = element.attribute(aRx).toDouble();
qreal ry = element.attribute(aRy).toDouble();
QSvgGenerator *generator = createSvgGenerator(rx * 2, ry * 2);
//fill and stroke color
QColor fillColor = colorFromString(element.attribute(aFill));
QColor strokeColor = colorFromString(element.attribute(aStroke));
int strokeWidth = element.attribute(aStrokewidth).toInt();
//ellipse center coordinates
qreal cx = element.attribute(aCx).toDouble();
qreal cy = element.attribute(aCy).toDouble();
//init painter to paint to svg
QPainter painter;
painter.begin(generator);
QPen pen(strokeColor);
pen.setWidth(strokeWidth);
painter.setPen(pen);
painter.setBrush(QBrush(fillColor));
painter.drawEllipse(0, 0, rx * 2, ry * 2);
painter.end();
UBGraphicsSvgItem *svgItem = mCurrentScene->addSvg(QUrl::fromLocalFile(generator->fileName()));
QTransform transform;
QString textTransform = element.attribute(aTransform);
svgItem->resetTransform();
if (!textTransform.isNull()) {
transform = transformFromString(textTransform, svgItem);
}
repositionSvgItem(svgItem, rx * 2, ry * 2, cx - 2*rx, cy+ry, transform);
hashSceneItem(element, svgItem);
delete generator;
return true;
}
bool UBCFFSubsetAdaptor::UBCFFSubsetReader::parseSvgPolygon(const QDomElement &element)
{
QString svgPoints = element.attribute(aPoints);
QPolygonF polygon;
if (!svgPoints.isNull()) {
QStringList ts = svgPoints.split(QLatin1Char(' '), QString::SkipEmptyParts);
foreach(const QString sPoint, ts) {
QStringList sCoord = sPoint.split(QLatin1Char(','), QString::SkipEmptyParts);
if (sCoord.size() == 2) {
QPointF point;
point.setX(sCoord.at(0).toFloat());
point.setY(sCoord.at(1).toFloat());
polygon << point;
}
else if (sCoord.size() == 4){
//This is the case on system were the "," is used to seperate decimal
QPointF point;
QString x = sCoord.at(0) + "." + sCoord.at(1);
QString y = sCoord.at(2) + "." + sCoord.at(3);
point.setX(x.toFloat());
point.setY(y.toFloat());
polygon << point;
}
else {
qWarning() << "cannot make sense of a 'point' value" << sCoord;
}
}
}
//bounding rect lef top corner coordinates
qreal x1 = polygon.boundingRect().topLeft().x();
qreal y1 = polygon.boundingRect().topLeft().y();
//bounding rect dimensions
qreal width = polygon.boundingRect().width();
qreal height = polygon.boundingRect().height();
QString strokeColorText = element.attribute(aStroke);
QString fillColorText = element.attribute(aFill);
QString strokeWidthText = element.attribute(aStrokewidth);
QColor strokeColor = !strokeColorText.isEmpty() ? colorFromString(strokeColorText) : QColor();
QColor fillColor = !fillColorText.isEmpty() ? colorFromString(fillColorText) : QColor();
int strokeWidth = strokeWidthText.toDouble();
QPen pen;
pen.setColor(strokeColor);
pen.setWidth(strokeWidth);
QBrush brush;
brush.setColor(fillColor);
brush.setStyle(Qt::SolidPattern);
QSvgGenerator *generator = createSvgGenerator(width + pen.width(), height + pen.width());
QPainter painter;
painter.begin(generator); //drawing to svg tmp file
painter.translate(pen.widthF() / 2 - x1, pen.widthF() / 2 - y1);
painter.setBrush(brush);
painter.setPen(pen);
painter.drawPolygon(polygon);
painter.end();
//add resulting svg file to scene
UBGraphicsSvgItem *svgItem = mCurrentScene->addSvg(QUrl::fromLocalFile(generator->fileName()));
QTransform transform;
QString textTransform = element.attribute(aTransform);
svgItem->resetTransform();
if (!textTransform.isNull()) {
transform = transformFromString(textTransform, svgItem);
}
repositionSvgItem(svgItem, width +strokeWidth, height + strokeWidth, x1 - strokeWidth/2 + transform.m31(), y1 + strokeWidth/2 + transform.m32(), transform);
hashSceneItem(element, svgItem);
delete generator;
return true;
}
bool UBCFFSubsetAdaptor::UBCFFSubsetReader::parseSvgPolyline(const QDomElement &element)
{
QString svgPoints = element.attribute(aPoints);
QPolygonF polygon;
if (!svgPoints.isNull()) {
QStringList ts = svgPoints.split(QLatin1Char(' '),
QString::SkipEmptyParts);
foreach(const QString sPoint, ts) {
QStringList sCoord = sPoint.split(QLatin1Char(','), QString::SkipEmptyParts);
if (sCoord.size() == 2) {
QPointF point;
point.setX(sCoord.at(0).toFloat());
point.setY(sCoord.at(1).toFloat());
polygon << point;
}
else if (sCoord.size() == 4){
//This is the case on system were the "," is used to seperate decimal
QPointF point;
QString x = sCoord.at(0) + "." + sCoord.at(1);
QString y = sCoord.at(2) + "." + sCoord.at(3);
point.setX(x.toFloat());
point.setY(y.toFloat());
polygon << point;
}
else {
qWarning() << "cannot make sense of a 'point' value" << sCoord;
}
}
}
//bounding rect lef top corner coordinates
qreal x1 = polygon.boundingRect().topLeft().x();
qreal y1 = polygon.boundingRect().topLeft().y();
//bounding rect dimensions
qreal width = polygon.boundingRect().width();
qreal height = polygon.boundingRect().height();
QString strokeColorText = element.attribute(aStroke);
QString strokeWidthText = element.attribute(aStrokewidth);
QColor strokeColor = !strokeColorText.isEmpty() ? colorFromString(strokeColorText) : QColor();
int strokeWidth = strokeWidthText.toDouble();
width += strokeWidth;
height += strokeWidth;
QPen pen;
pen.setColor(strokeColor);
pen.setWidth(strokeWidth);
QSvgGenerator *generator = createSvgGenerator(width + pen.width(), height + pen.width());
QPainter painter;
painter.begin(generator); //drawing to svg tmp file
painter.translate(pen.widthF()/2 - x1, pen.widthF()/2- y1);
painter.setPen(pen);
painter.drawPolyline(polygon);
painter.end();
//add resulting svg file to scene
UBGraphicsSvgItem *svgItem = mCurrentScene->addSvg(QUrl::fromLocalFile(generator->fileName()));
QTransform transform;
QString textTransform = element.attribute(aTransform);
svgItem->resetTransform();
if (!textTransform.isNull()) {
transform = transformFromString(textTransform, svgItem);
}
repositionSvgItem(svgItem, width +strokeWidth, height + strokeWidth, x1 + transform.m31() - strokeWidth/2, y1 + transform.m32() + strokeWidth/2, transform);
hashSceneItem(element, svgItem);
delete generator;
return true;
}
void UBCFFSubsetAdaptor::UBCFFSubsetReader::parseTextAttributes(const QDomElement &element,
qreal &fontSize, QColor &fontColor, QString &fontFamily,
QString &fontStretch, bool &italic, int &fontWeight,
int &textAlign, QTransform &fontTransform)
{
//consider inch has 72 liens
//since svg font size is given in pixels, divide it by pixels per line
QString fontSz = element.attribute(aFontSize);
if (!fontSz.isNull()) fontSize = fontSz.toDouble() * 72 / QApplication::desktop()->physicalDpiY();
QString fontColorText = element.attribute(aFill);
if (!fontColorText.isNull()) fontColor = colorFromString(fontColorText);
QString fontFamilyText = element.attribute(aFontfamily);
if (!fontFamilyText.isNull()) fontFamily = fontFamilyText;
QString fontStretchText = element.attribute(aFontstretch);
if (!fontStretchText.isNull()) fontStretch = fontStretchText;
if (!element.attribute(aFontstyle).isNull())
italic = (element.attribute(aFontstyle) == "italic");
QString weight = element.attribute(aFontweight);
if (!weight.isNull()) {
if (weight == "normal") fontWeight = QFont::Normal;
else if (weight == "light") fontWeight = QFont::Light;
else if (weight == "demibold") fontWeight = QFont::DemiBold;
else if (weight == "bold") fontWeight = QFont::Bold;
else if (weight == "black") fontWeight = QFont::Black;
}
QString align = element.attribute(aTextalign);
if (!align.isNull()) {
if (align == "middle" || align == "center") textAlign = Qt::AlignHCenter;
else if (align == "start") textAlign = Qt::AlignLeft;
else if (align == "end") textAlign = Qt::AlignRight;
}
if (!element.attribute(aTransform).isNull())
fontTransform = transformFromString(element.attribute(aTransform));
}
void UBCFFSubsetAdaptor::UBCFFSubsetReader::readTextBlockAttr(const QDomElement &element, QTextBlockFormat &format)
{
QString fontStretchText = element.attribute(aFontstretch);
if (!fontStretchText.isNull()) format.setAlignment(Qt::AlignJustify);
QString align = element.attribute(aTextalign);
if (!align.isNull()) {
if (align == "middle" || align == "center") format.setAlignment(Qt::AlignHCenter);
else if (align == "start") format.setAlignment(Qt::AlignLeft);
else if (align == "end") format.setAlignment(Qt::AlignRight);
else if (align == "justify") format.setAlignment(Qt::AlignJustify);
}
}
void UBCFFSubsetAdaptor::UBCFFSubsetReader::readTextCharAttr(const QDomElement &element, QTextCharFormat &format)
{
QString fontSz = element.attribute(aFontSize);
if (!fontSz.isNull()) {
qreal fontSize = fontSz.toDouble() * 72 / QApplication::desktop()->physicalDpiY();
format.setFontPointSize(fontSize);
}
QString fontColorText = element.attribute(aFill);
if (!fontColorText.isNull()) {
QColor fontColor = colorFromString(fontColorText);
if (fontColor.isValid()) format.setForeground(fontColor);
}
QString fontFamilyText = element.attribute(aFontfamily);
if (!fontFamilyText.isNull()) {
format.setFontFamily(fontFamilyText);
}
if (!element.attribute(aFontstyle).isNull()) {
bool italic = (element.attribute(aFontstyle) == "italic");
format.setFontItalic(italic);
}
QString weight = element.attribute(aFontweight);
if (!weight.isNull()) {
if (weight == "normal") format.setFontWeight(QFont::Normal);
else if (weight == "light") format.setFontWeight(QFont::Light);
else if (weight == "demibold") format.setFontWeight(QFont::DemiBold);
else if (weight == "bold") format.setFontWeight(QFont::Bold);
else if (weight == "black") format.setFontWeight(QFont::Black);
}
}
bool UBCFFSubsetAdaptor::UBCFFSubsetReader::parseSvgText(const QDomElement &element)
{
qreal x = element.attribute(aX).toDouble();
qreal y = element.attribute(aY).toDouble();
qreal width = element.attribute(aWidth).toDouble();
qreal height = element.attribute(aHeight).toDouble();
qreal fontSize = 12;
QColor fontColor(qApp->palette().foreground().color());
QString fontFamily = "Arial";
QString fontStretch = "normal";
bool italic = false;
int fontWeight = QFont::Normal;
int textAlign = Qt::AlignLeft;
QTransform fontTransform;
parseTextAttributes(element, fontSize, fontColor, fontFamily, fontStretch, italic, fontWeight, textAlign, fontTransform);
QFont startFont(fontFamily, fontSize, fontWeight, italic);
height = QFontMetrics(startFont).height();
width = QFontMetrics(startFont).width(element.text()) + 5;
QSvgGenerator *generator = createSvgGenerator(width, height);
QPainter painter;
painter.begin(generator);
painter.setFont(startFont);
qreal curY = 0.0;
qreal curX = 0.0;
qreal linespacing = QFontMetricsF(painter.font()).leading();
// remember if text area has transform
// QString transformString;
QTransform transform = fontTransform;
QRectF lastDrawnTextBoundingRect;
//parse text area tags
//recursive call any tspan in text svg element
parseTSpan(element, painter
, curX, curY, width, height, linespacing, lastDrawnTextBoundingRect
, fontSize, fontColor, fontFamily, fontStretch, italic, fontWeight, textAlign, fontTransform);
painter.end();
//add resulting svg file to scene
UBGraphicsSvgItem *svgItem = mCurrentScene->addSvg(QUrl::fromLocalFile(generator->fileName()));
svgItem->resetTransform();
repositionSvgItem(svgItem, width, height, x + transform.m31(), y + transform.m32(), transform);
hashSceneItem(element, svgItem);
delete generator;
return true;
}
void UBCFFSubsetAdaptor::UBCFFSubsetReader::parseTSpan(const QDomElement &parent, QPainter &painter
, qreal &curX, qreal &curY, qreal &width, qreal &height, qreal &linespacing, QRectF &lastDrawnTextBoundingRect
, qreal &fontSize, QColor &fontColor, QString &fontFamily, QString &fontStretch, bool &italic
, int &fontWeight, int &textAlign, QTransform &fontTransform)
{
QDomNode curNode = parent.firstChild();
while (!curNode.isNull()) {
if (curNode.toElement().tagName() == tTspan) {
QDomElement curTSpan = curNode.toElement();
parseTextAttributes(curTSpan, fontSize, fontColor, fontFamily, fontStretch, italic
, fontWeight, textAlign, fontTransform);
painter.setFont(QFont(fontFamily, fontSize, fontWeight, italic));
painter.setPen(fontColor);
linespacing = QFontMetricsF(painter.font()).leading();
parseTSpan(curTSpan, painter
, curX, curY, width, height, linespacing, lastDrawnTextBoundingRect
, fontSize, fontColor, fontFamily, fontStretch, italic, fontWeight, textAlign, fontTransform);
} else if (curNode.nodeType() == QDomNode::CharacterDataNode
|| curNode.nodeType() == QDomNode::CDATASectionNode
|| curNode.nodeType() == QDomNode::TextNode) {
QDomCharacterData textData = curNode.toCharacterData();
QString text = textData.data().trimmed();
// width = painter.fontMetrics().width(text);
//get bounding rect to obtain desired text height
lastDrawnTextBoundingRect = painter.boundingRect(QRectF(curX, curY, width, height - curY), textAlign|Qt::TextWordWrap, text);
painter.drawText(curX, curY, width, lastDrawnTextBoundingRect.height(), textAlign|Qt::TextWordWrap, text);
curX += lastDrawnTextBoundingRect.x() + lastDrawnTextBoundingRect.width();
} else if (curNode.nodeType() == QDomNode::ElementNode
&& curNode.toElement().tagName() == tBreak) {
curY += lastDrawnTextBoundingRect.height() + linespacing;
curX = 0.0;
lastDrawnTextBoundingRect = QRectF(0,0,0,0);
}
curNode = curNode.nextSibling();
}
}
void UBCFFSubsetAdaptor::UBCFFSubsetReader::parseTSpan(const QDomElement &element, QTextCursor &cursor
, QTextBlockFormat &blockFormat, QTextCharFormat &charFormat)
{
QDomNode curNode = element.firstChild();
while (!curNode.isNull()) {
if (curNode.toElement().tagName() == tTspan) {
QDomElement curTspan = curNode.toElement();
readTextBlockAttr(curTspan, blockFormat);
readTextCharAttr(curTspan, charFormat);
cursor.setBlockFormat(blockFormat);
cursor.setCharFormat(charFormat);
parseTSpan(curTspan, cursor, blockFormat, charFormat);
} else if (curNode.nodeType() == QDomNode::CharacterDataNode
|| curNode.nodeType() == QDomNode::CDATASectionNode
|| curNode.nodeType() == QDomNode::TextNode) {
QDomCharacterData textData = curNode.toCharacterData();
QString text = textData.data().trimmed();
cursor.insertText(text, charFormat);
} else if (curNode.nodeType() == QDomNode::ElementNode
&& curNode.toElement().tagName() == tBreak) {
cursor.insertBlock();
}
curNode = curNode.nextSibling();
}
}
bool UBCFFSubsetAdaptor::UBCFFSubsetReader::parseSvgTextarea(const QDomElement &element)
{
qreal x = element.attribute(aX).toDouble();
qreal y = element.attribute(aY).toDouble();
qreal width = element.attribute(aWidth).toDouble();
qreal height = element.attribute(aHeight).toDouble();
QTextBlockFormat blockFormat;
blockFormat.setAlignment(Qt::AlignLeft);
QTextCharFormat textFormat;
textFormat.setFontPointSize(12 * 72 / QApplication::desktop()->physicalDpiY());
textFormat.setForeground(qApp->palette().foreground().color());
textFormat.setFontFamily("Arial");
textFormat.setFontItalic(false);
textFormat.setFontWeight(QFont::Normal);
readTextBlockAttr(element, blockFormat);
readTextCharAttr(element, textFormat);
QTextDocument doc;
doc.setPlainText("");
QTextCursor tCursor(&doc);
tCursor.setBlockFormat(blockFormat);
tCursor.setCharFormat(textFormat);
parseTSpan(element, tCursor, blockFormat, textFormat);
UBGraphicsTextItem *svgItem = mCurrentScene->addTextHtml(doc.toHtml());
svgItem->resize(width, height);
QTransform transform;
QString textTransform = element.attribute(aTransform);
svgItem->resetTransform();
if (!textTransform.isNull()) {
transform = transformFromString(textTransform, svgItem);
}
//by default all the textAreas are not editable
UBGraphicsTextItemDelegate *curDelegate = dynamic_cast<UBGraphicsTextItemDelegate*>(svgItem->Delegate());
if (curDelegate) {
curDelegate->setEditable(false);
}
repositionSvgItem(svgItem, width, height, x + transform.m31(), y + transform.m32(), transform);
hashSceneItem(element, svgItem);
return true;
}
bool UBCFFSubsetAdaptor::UBCFFSubsetReader::parseSvgImage(const QDomElement &element)
{
qreal x = element.attribute(aX).toDouble();
qreal y = element.attribute(aY).toDouble();
qreal width = element.attribute(aWidth).toDouble();
qreal height = element.attribute(aHeight).toDouble();
QString itemRefPath = element.attribute(aHref);
QPixmap pix;
if (!itemRefPath.isNull()) {
QString imagePath = pwdContent + "/" + itemRefPath;
if (!QFile::exists(imagePath)) {
qDebug() << "can't load file" << pwdContent + "/" + itemRefPath << "maybe file corrupted";
return false;
} else {
// qDebug() << "size of file" << itemRefPath << QFileInfo(itemRefPath).size();
}
pix.load(imagePath);
if (pix.isNull()) {
qDebug() << "can't create pixmap for file" << pwdContent + "/" + itemRefPath << "maybe format does not supported";
}
}
UBGraphicsPixmapItem *pixItem = mCurrentScene->addPixmap(pix, NULL);
QTransform transform;
QString textTransform = element.attribute(aTransform);
pixItem->resetTransform();
if (!textTransform.isNull()) {
transform = transformFromString(textTransform, pixItem);
}
repositionSvgItem(pixItem, width, height, x + transform.m31(), y + transform.m32(), transform);
hashSceneItem(element, pixItem);
return true;
}
bool UBCFFSubsetAdaptor::UBCFFSubsetReader::parseSvgFlash(const QDomElement &element)
{
QString itemRefPath = element.attribute(aHref);
qreal x = element.attribute(aX).toDouble();
qreal y = element.attribute(aY).toDouble();
qreal width = element.attribute(aWidth).toDouble();
qreal height = element.attribute(aHeight).toDouble();
QUrl urlPath;
QString flashPath;
if (!itemRefPath.isNull()) {
flashPath = pwdContent + "/" + itemRefPath;
if (!QFile::exists(flashPath)) {
qDebug() << "can't load file" << pwdContent + "/" + itemRefPath << "maybe file corrupted";
return false;
}
urlPath = QUrl::fromLocalFile(flashPath);
}
QDir tmpFlashDir(mTmpFlashDir);
if (!tmpFlashDir.exists()) {
qDebug() << "Can't create temporary directory to put flash";
return false;
}
QString flashUrl = UBW3CWidget::createNPAPIWrapperInDir(flashPath, tmpFlashDir, "application/x-shockwave-flash"
,QSize(mCurrentSceneRect.width(), mCurrentSceneRect.height()));
UBGraphicsWidgetItem *flashItem = mCurrentScene->addW3CWidget(QUrl::fromLocalFile(flashUrl));
flashItem->setSourceUrl(urlPath);
QTransform transform;
QString textTransform = element.attribute(aTransform);
flashItem->resetTransform();
if (!textTransform.isNull()) {
transform = transformFromString(textTransform, flashItem);
}
repositionSvgItem(flashItem, width, height, x + transform.m31(), y + transform.m32(), transform);
hashSceneItem(element, flashItem);
return true;
}
bool UBCFFSubsetAdaptor::UBCFFSubsetReader::parseSvgAudio(const QDomElement &element)
{
QDomElement parentOfAudio = element.firstChild().toElement();
qreal x = parentOfAudio.attribute(aX).toDouble();
qreal y = parentOfAudio.attribute(aY).toDouble();
QString itemRefPath = element.attribute(aHref);
QUrl concreteUrl;
if (!itemRefPath.isNull()) {
QString audioPath = pwdContent + "/" + itemRefPath;
if (!QFile::exists(audioPath)) {
qDebug() << "can't load file" << pwdContent + "/" + itemRefPath << "maybe file corrupted";
return false;
}
concreteUrl = QUrl::fromLocalFile(audioPath);
}
QUuid uuid = QUuid::createUuid();
concreteUrl = QUrl::fromLocalFile(UBPersistenceManager::persistenceManager()
->addAudioFileToDocument(mCurrentScene->document(), concreteUrl.toLocalFile(), uuid));
UBGraphicsMediaItem *audioItem = mCurrentScene->addAudio(concreteUrl, false);
QTransform transform;
QString textTransform = parentOfAudio.attribute(aTransform);
audioItem->resetTransform();
if (!textTransform.isNull()) {
transform = transformFromString(textTransform, audioItem);
}
repositionSvgItem(audioItem, audioItem->boundingRect().width(), audioItem->boundingRect().height(), x + transform.m31(), y + transform.m32(), transform);
hashSceneItem(element, audioItem);
return true;
}
bool UBCFFSubsetAdaptor::UBCFFSubsetReader::parseSvgVideo(const QDomElement &element)
{
QString itemRefPath = element.attribute(aHref);
if (itemRefPath.startsWith(tFlash + "/") && itemRefPath.endsWith(".swf")) {
if (parseSvgFlash(element)) return true;
else return false;
}
qreal x = element.attribute(aX).toDouble();
qreal y = element.attribute(aY).toDouble();
QUrl concreteUrl;
if (!itemRefPath.isNull()) {
QString videoPath = pwdContent + "/" + itemRefPath;
if (!QFile::exists(videoPath)) {
qDebug() << "can't load file" << pwdContent + "/" + itemRefPath << "maybe file corrupted";
return false;
}
concreteUrl = QUrl::fromLocalFile(videoPath);
}
QUuid uuid = QUuid::createUuid();
concreteUrl = QUrl::fromLocalFile(UBPersistenceManager::persistenceManager()
->addVideoFileToDocument(mCurrentScene->document(), concreteUrl.toLocalFile(), uuid));
UBGraphicsMediaItem *videoItem = mCurrentScene->addVideo(concreteUrl, false);
QTransform transform;
QString textTransform = element.attribute(aTransform);
videoItem->resetTransform();
if (!textTransform.isNull()) {
transform = transformFromString(textTransform, videoItem);
}
repositionSvgItem(videoItem, videoItem->boundingRect().width(), videoItem->boundingRect().height(), x + transform.m31(), y + transform.m32(), transform);
hashSceneItem(element, videoItem);
return true;
}
void UBCFFSubsetAdaptor::UBCFFSubsetReader::parseSvgSectionAttr(const QDomElement &svgSection)
{
getViewBoxDimenstions(svgSection.attribute(aViewbox));
mSize = QSize(svgSection.attribute(aWidth).toInt(),
svgSection.attribute(aHeight).toInt());
}
void UBCFFSubsetAdaptor::UBCFFSubsetReader::hashSceneItem(const QDomElement &element, UBGraphicsItem *item)
{
// adding element pointer to hash to refer if needed
QString key = element.attribute(aId);
if (!key.isNull()) {
persistedItems.insert(key, item);
}
}
bool UBCFFSubsetAdaptor::UBCFFSubsetReader::parseSvgElement(const QDomElement &parent)
{
QString tagName = parent.tagName();
if (parent.namespaceURI() != svgNS) {
qDebug() << "Incorrect namespace, error at content file, line number" << parent.lineNumber();
return false;
}
if (tagName == tG && !parseGSection(parent)) return false;
else if (tagName == tSwitch && !parseSvgSwitchSection(parent)) return false;
else if (tagName == tRect && !parseSvgRect(parent)) return false;
else if (tagName == tEllipse && !parseSvgEllipse(parent)) return false;
else if (tagName == tPolygon && !parseSvgPolygon(parent)) return false;
else if (tagName == tPolyline && !parseSvgPolyline(parent)) return false;
else if (tagName == tText && !parseSvgText(parent)) return false;
else if (tagName == tTextarea && !parseSvgTextarea(parent)) return false;
else if (tagName == tImage && !parseSvgImage(parent)) return false;
else if (tagName == tFlash && !parseSvgFlash(parent)) return false;
else if (tagName == tAudio && !parseSvgAudio(parent)) return false;
else if (tagName == tVideo && !parseSvgVideo(parent)) return false;
return true;
}
bool UBCFFSubsetAdaptor::UBCFFSubsetReader::parseSvgPage(const QDomElement &parent)
{
createNewScene();
QDomElement currentSvgElement = parent.firstChildElement();
while (!currentSvgElement.isNull()) {
if (!parseSvgElement(currentSvgElement))
return false;
currentSvgElement = currentSvgElement.nextSiblingElement();
}
return true;
}
bool UBCFFSubsetAdaptor::UBCFFSubsetReader::parseSvgPageset(const QDomElement &parent)
{
QDomElement currentPage = parent.firstChildElement(tPage);
while (!currentPage.isNull()) {
if (!parseSvgPage(currentPage))
return false;
currentPage = currentPage.nextSiblingElement(tPage);
}
return true;
}
bool UBCFFSubsetAdaptor::UBCFFSubsetReader::parseIwbMeta(const QDomElement &element)
{
if (element.namespaceURI() != iwbNS) {
qDebug() << "incorrect meta namespace, incorrect document";
return false;
}
return true;
}
bool UBCFFSubsetAdaptor::UBCFFSubsetReader::parseSvg(const QDomElement &svgSection)
{
if (svgSection.namespaceURI() != svgNS) {
qDebug() << "incorrect svg namespace, incorrect document";
return false;
}
parseSvgSectionAttr(svgSection);
QDomElement currentSvg = svgSection.firstChildElement();
if (currentSvg.tagName() != tPageset) {
parseSvgPage(svgSection);
} else if (currentSvg.tagName() == tPageset){
parseSvgPageset(currentSvg);
}
return true;
}
bool UBCFFSubsetAdaptor::UBCFFSubsetReader::parseIwbGroup(QDomElement &parent)
{
//TODO. Create groups from elements parsed by parseIwbElement() function
if (parent.namespaceURI() != iwbNS) {
qDebug() << "incorrect iwb group namespace, incorrect document";
return false;
}
return true;
}
bool UBCFFSubsetAdaptor::UBCFFSubsetReader::strToBool(QString str)
{
return str == "true";
}
bool UBCFFSubsetAdaptor::UBCFFSubsetReader::parseIwbElement(QDomElement &element)
{
if (element.namespaceURI() != iwbNS) {
qDebug() << "incorrect iwb element namespace, incorrect document";
return false;
}
bool locked = false;
bool isEditableItem = false;
bool isEditable = false; //Text items to convert to UBGraphicsTextItem only
QString IDRef = element.attribute(aRef);
if (!IDRef.isNull()) {
element.hasAttribute(aBackground) ? strToBool(element.attribute(aBackground)) : false;
locked = element.hasAttribute(aBackground) ? strToBool(element.attribute(aBackground)) : false;
isEditableItem = element.hasAttribute(aEditable);
if (isEditableItem)
isEditable = strToBool(element.attribute(aEditable));
UBGraphicsItem *referedItem(0);
QHash<QString, UBGraphicsItem*>::iterator iReferedItem;
iReferedItem = persistedItems.find(IDRef);
if (iReferedItem != persistedItems.end()) {
referedItem = *iReferedItem;
referedItem->Delegate()->lock(locked);
}
if (isEditableItem) {
UBGraphicsTextItemDelegate *textDelegate = dynamic_cast<UBGraphicsTextItemDelegate*>(referedItem->Delegate());
if (textDelegate) {
textDelegate->setEditable(isEditable);
}
}
}
return true;
}
bool UBCFFSubsetAdaptor::UBCFFSubsetReader::parseDoc()
{
QDomElement currentTopElement = mDOMdoc.documentElement().firstChildElement();
while (!currentTopElement.isNull()) {
QString tagName = currentTopElement.tagName();
if (tagName == tMeta && !parseIwbMeta(currentTopElement)) return false;
else if (tagName == tSvg && !parseSvg(currentTopElement)) return false;
else if (tagName == tGroup && !parseIwbGroup(currentTopElement)) return false;
else if (tagName == tElement && !parseIwbElement(currentTopElement)) return false;
currentTopElement = currentTopElement.nextSiblingElement();
}
if (!persistScenes()) return false;
return true;
}
void UBCFFSubsetAdaptor::UBCFFSubsetReader::repositionSvgItem(QGraphicsItem *item, qreal width, qreal height,
qreal x, qreal y,
QTransform &transform)
{
//First using viebox coordinates, then translate them to scene coordinates
QRectF itemBounds = item->boundingRect();
qreal xScale = width / itemBounds.width();
qreal yScale = height / itemBounds.height();
qreal fullScaleX = mVBTransFactor * xScale;
qreal fullScaleY = mVBTransFactor * yScale;
QPointF oldVector((x - transform.dx()), (y - transform.dy()));
QTransform rTransform;
QPointF newVector = rTransform.map(oldVector);
QRectF sr = mCurrentScene->sceneRect();
QRectF sr1 = mCurrentSceneRect;
QRectF sr2 = mCurrentScene->normalizedSceneRect();
QTransform tr = item->sceneTransform();
item->setTransform(rTransform.scale(fullScaleX, fullScaleY), true);
tr = item->sceneTransform();
QPoint pos ((int)((x + mShiftVector.x() + (newVector - oldVector).x()) * mVBTransFactor), (int)((y +mShiftVector.y() + (newVector - oldVector).y()) * mVBTransFactor));
item->setPos(pos);
}
bool UBCFFSubsetAdaptor::UBCFFSubsetReader::createNewScene()
{
mCurrentScene = UBPersistenceManager::persistenceManager()->createDocumentSceneAt(mProxy, mProxy->pageCount());
mCurrentScene->setURStackEnable(false);
mCurrentScene->setSceneRect(mViewBox);
if ((mCurrentScene->sceneRect().topLeft().x() >= 0) || (mCurrentScene->sceneRect().topLeft().y() >= 0)) {
mShiftVector = -mViewBox.center();
}
mCurrentSceneRect = mViewBox;
mVBTransFactor = qMin(mCurrentScene->normalizedSceneRect().width() / mViewPort.width(),
mCurrentScene->normalizedSceneRect().height() / mViewPort.height());
return true;
}
bool UBCFFSubsetAdaptor::UBCFFSubsetReader::persistCurrentScene()
{
if (mCurrentScene != 0 && mCurrentScene->isModified())
{
UBThumbnailAdaptor::persistScene(mProxy, mCurrentScene, mProxy->pageCount() - 1);
UBSvgSubsetAdaptor::persistScene(mProxy, mCurrentScene, mProxy->pageCount() - 1);
mCurrentScene->setModified(false);
mCurrentScene = 0;
}
return true;
}
bool UBCFFSubsetAdaptor::UBCFFSubsetReader::persistScenes()
{
if (!mProxy->pageCount()) {
qDebug() << "No pages created";
return false;
}
for (int i = 0; i < mProxy->pageCount(); i++) {
mCurrentScene = UBPersistenceManager::persistenceManager()->getDocumentScene(mProxy, i);
if (!mCurrentScene) {
qDebug() << "can't allocate scene, loading failed";
return false;
}
UBSvgSubsetAdaptor::persistScene(mProxy, mCurrentScene, i);
UBGraphicsScene *tmpScene = UBSvgSubsetAdaptor::loadScene(mProxy, i);
tmpScene->setModified(true);
UBThumbnailAdaptor::persistScene(mProxy, tmpScene, i);
delete tmpScene;
mCurrentScene->setModified(false);
}
return true;
}
QColor UBCFFSubsetAdaptor::UBCFFSubsetReader::colorFromString(const QString& clrString)
{
//init regexp with pattern
//pattern corresponds to strings like 'rgb(1,2,3) or rgb(10%,20%,30%)'
QRegExp regexp("rgb\\(([0-9]+%{0,1}),([0-9]+%{0,1}),([0-9]+%{0,1})\\)");
if (regexp.exactMatch(clrString))
{
if (regexp.capturedTexts().count() == 4 && regexp.capturedTexts().at(0).length() == clrString.length())
{
int r = regexp.capturedTexts().at(1).toInt();
if (regexp.capturedTexts().at(1).indexOf("%") != -1)
r = r * 255 / 100;
int g = regexp.capturedTexts().at(2).toInt();
if (regexp.capturedTexts().at(2).indexOf("%") != -1)
g = g * 255 / 100;
int b = regexp.capturedTexts().at(3).toInt();
if (regexp.capturedTexts().at(3).indexOf("%") != -1)
b = b * 255 / 100;
return QColor(r, g, b);
}
else
return QColor();
}
else
return QColor(clrString);
}
QTransform UBCFFSubsetAdaptor::UBCFFSubsetReader::transformFromString(const QString trString, QGraphicsItem *item)
{
qreal dxr = 0.0;
qreal dyr = 0.0;
qreal dx = 0.0;
qreal dy = 0.0;
qreal angle = 0.0;
QTransform tr;
foreach(QString trStr, trString.split(" ", QString::SkipEmptyParts))
{
//check pattern for strings like 'rotate(10)'
QRegExp regexp("rotate\\( *([-+]{0,1}[0-9]*\\.{0,1}[0-9]*) *\\)");
if (regexp.exactMatch(trStr)) {
angle = regexp.capturedTexts().at(1).toDouble();
if (item)
{
item->setTransformOriginPoint(QPointF(0, 0));
item->rotate(angle);
}
continue;
};
//check pattern for strings like 'rotate(10,20,20)' or 'rotate(10.1,10.2,34.2)'
regexp.setPattern("rotate\\( *([-+]{0,1}[0-9]*\\.{0,1}[0-9]*) *, *([-+]{0,1}[0-9]*\\.{0,1}[0-9]*) *, *([-+]{0,1}[0-9]*\\.{0,1}[0-9]*) *\\)");
if (regexp.exactMatch(trStr)) {
angle = regexp.capturedTexts().at(1).toDouble();
dxr = regexp.capturedTexts().at(2).toDouble();
dyr = regexp.capturedTexts().at(3).toDouble();
if (item)
{
item->setTransformOriginPoint(QPointF(dxr, dyr)-item->pos());
item->rotate(angle);
}
continue;
}
//check pattern for strings like 'translate(11.0, 12.34)'
regexp.setPattern("translate\\( *([-+]{0,1}[0-9]*\\.{0,1}[0-9]*) *,*([-+]{0,1}[0-9]*\\.{0,1}[0-9]*)*\\)");
if (regexp.exactMatch(trStr)) {
dx = regexp.capturedTexts().at(1).toDouble();
dy = regexp.capturedTexts().at(2).toDouble();
tr.translate(dx,dy);
continue;
}
}
return tr;
}
bool UBCFFSubsetAdaptor::UBCFFSubsetReader::getViewBoxDimenstions(const QString& viewBox)
{
QStringList capturedTexts = viewBox.split(" ", QString::SkipEmptyParts);
if (capturedTexts.count())
{
if (4 == capturedTexts.count())
{
mViewBox = QRectF(capturedTexts.at(0).toDouble(), capturedTexts.at(1).toDouble(), capturedTexts.at(2).toDouble(), capturedTexts.at(3).toDouble());
mViewPort = mViewBox;
mViewPort.translate(- mViewPort.center());
mViewBoxCenter.setX(mViewBox.width() / 2);
mViewBoxCenter.setY(mViewBox.height() / 2);
return true;
}
}
mViewBox = QRectF(0, 0, 1000, 1000);
mViewBoxCenter = QPointF(500, 500);
return false;
}
QSvgGenerator* UBCFFSubsetAdaptor::UBCFFSubsetReader::createSvgGenerator(qreal width, qreal height)
{
QSvgGenerator* generator = new QSvgGenerator();
// qWarning() << QString("Making generator with file %1, size (%2, %3) and viewbox (%4 %5 %6 %7)").arg(mTempFilePath)
// .arg(width).arg(height).arg(0.0).arg(0.0).arg(width).arg(width);
generator->setResolution(QApplication::desktop()->physicalDpiY());
generator->setFileName(mTempFilePath);
generator->setSize(QSize(width, height));
generator->setViewBox(QRectF(0, 0, width, height));
return generator;
}
bool UBCFFSubsetAdaptor::UBCFFSubsetReader::getTempFileName()
{
int tmpNumber = 0;
QDir rootDir;
while (true)
{
mTempFilePath = QString("%1/sanksvg%2.%3")
.arg(rootDir.tempPath())
.arg(QDateTime::currentDateTime().toString("dd_MM_yyyy_HH-mm"))
.arg(tmpNumber);
if (!QFile::exists(mTempFilePath))
return true;
tmpNumber++;
if (tmpNumber == 100000)
{
qWarning() << "Import failed. Failed to create temporary file for svg objects";
return false;
}
}
}
bool UBCFFSubsetAdaptor::UBCFFSubsetReader::createTempFlashPath()
{
int tmpNumber = 0;
QDir systemTmp = QDir::temp();
while (true) {
QString dirName = QString("SankTmpFlash%1.%2")
.arg(QDateTime::currentDateTime().toString("dd_MM_yyyy_HH-mm"))
.arg(tmpNumber++);
if (!systemTmp.exists(dirName)) {
if (systemTmp.mkdir(dirName)) {
mTmpFlashDir = QDir(systemTmp.absolutePath() + "/" + dirName);
return true;
} else {
qDebug() << "Can't create temporary dir maybe due to permissions";
return false;
}
} else if (tmpNumber == 1000) {
qWarning() << "Import failed. Failed to create temporary file for svg objects";
return false;
}
}
return true;
}
UBCFFSubsetAdaptor::UBCFFSubsetReader::~UBCFFSubsetReader()
{
// QList<int> pages;
// for (int i = 0; i < mProxy->pageCount(); i++) {
// pages << i;
// }
// UBPersistenceManager::persistenceManager()->deleteDocumentScenes(mProxy, pages);
}