/*
* 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 3 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 .
*/
#include
#include
#include
#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 "UBCFFSubsetAdaptor.h"
#include "UBMetadataDcSubsetAdaptor.h"
#include "UBThumbnailAdaptor.h"
#include "UBSvgSubsetAdaptor.h"
#include "core/UBApplication.h"
#include "QFile"
//enum of xmlparse status
//tag names definition
//use them everiwhere!
static QString tElement = "element";
static QString tEllipse = "ellipse";
static QString tIwb = "iwb";
static QString tMeta = "meta";
static QString tPage = "page";
static QString tPageset = "pageset";
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";
//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";
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;
}
// QTextStream out(&file);
// out.setCodec("UTF-8");
// QString dta = out.readAll();
QByteArray data = file.readAll();
if (data.length() == 0)
{
qWarning() << "Either content file " << cffSourceFile << " is empty or failed to read from file";
file.close();
return false;
}
UBCFFSubsetReader cffReader(pDocument, data);
bool result = cffReader.parse();
file.close();
return result;
}
UBCFFSubsetAdaptor::UBCFFSubsetReader::UBCFFSubsetReader(UBDocumentProxy *proxy, QByteArray &content):
mReader(content), mProxy(proxy), currentState(NONE)
{
// QFile tfile("/home/ilia/Documents/tmp/2/out.xml");
// tfile.open(QIODevice::ReadWr ite | QIODevice::Text);
// QTextStream out(&tfile);
// out << content;
// tfile.close();
}
bool UBCFFSubsetAdaptor::UBCFFSubsetReader::parse()
{
UBMetadataDcSubsetAdaptor::persist(mProxy);
mIndent = "";
if (!getTempFileName())
return false;
bool result = parseDoc();
if (result)
result = mProxy->pageCount() != 0;
if (QFile::exists(mTempFilePath))
QFile::remove(mTempFilePath);
return result;
}
int UBCFFSubsetAdaptor::UBCFFSubsetReader::PopState()
{
if (stateStack.count() == 0)
currentState = NONE;
else
currentState = stateStack.pop();
return currentState;
}
void UBCFFSubsetAdaptor::UBCFFSubsetReader::PushState(int state)
{
if (currentState != NONE)
stateStack.push(currentState);
currentState = state;
}
bool UBCFFSubsetAdaptor::UBCFFSubsetReader::parseDoc()
{
while (!mReader.atEnd())
{
mReader.readNext();
if (mReader.isStartElement())
{
if (!parseCurrentElementStart())
return false;
}
else
if (mReader.isCharacters())
{
if (!parseCurrentElementCharacters())
return false;
}
else
if (mReader.isEndElement())
{
if (!parseCurrentElementEnd())
return false;
}
}
if (!mReader.error() == QXmlStreamReader::NoError)
UBApplication::showMessage(mReader.errorString());
return true;
}
bool UBCFFSubsetAdaptor::UBCFFSubsetReader::parseCurrentElementStart()
{
QStringRef elName = mReader.name();
QString log = QString("%1<%2>").arg(mIndent).arg(elName.toString());
qDebug() << log;
mIndent += " ";
if ( elName == tIwb)
{
if (!parseIwb())
return false;
PushState(IWB);
}
else
if ( elName == tMeta)
{
if (!parseIwbMeta())
return false;
}
else
if ( elName == tSvg)
{
if (!parseSvg())
return false;
PushState(SVG);
}
else
if ( elName == tRect)
{
if (!parseRect())
return false;
}
else
if ( elName == tEllipse)
{
if (!parseEllipse())
return false;
}
else
if ( elName == tText)
{
if (!parseText())
return false;
}
else
if ( elName == tTextarea)
{
if (!parseTextArea())
return false;
}
else
if ( elName == tPolygon)
{
if (!parsePolygon())
return false;
}
else
if ( elName == tPolyline)
{
if (!parsePolyline())
return false;
}
else
if ( elName == tPage)
{
if (!parsePage())
return false;
PushState(PAGE);
}
else
if ( elName == tPageset)
{
if (!parsePageSet())
return false;
PushState(PAGESET);
}
else
if ( elName == tElement)
{
if (!parseIwbElementRef())
return false;
}
return true;
}
bool UBCFFSubsetAdaptor::UBCFFSubsetReader::parseCurrentElementCharacters()
{
return true;
}
bool UBCFFSubsetAdaptor::UBCFFSubsetReader::parseCurrentElementEnd()
{
QStringRef elName = mReader.name();
mIndent.remove(0,1);
QString log = QString("%1%2>").arg(mIndent).arg(elName.toString());
qDebug() << log;
if ( elName == tIwb)
PopState();
else
if ( elName == tMeta)
{
}
else
if ( elName == tSvg)
{
persistCurrentScene();
PopState();
}
else
if ( elName == tPage)
{
persistCurrentScene();
PopState();
}
else
if ( elName == tPageset)
{
PopState();
}
return true;
}
bool UBCFFSubsetAdaptor::UBCFFSubsetReader::parseIwb()
{
if (!stateStack.empty() || currentState != NONE)
{
qWarning() << "iwb content parse error, unexpected iwb tag at line" << mReader.lineNumber();
return false;
}
return true;
}
bool UBCFFSubsetAdaptor::UBCFFSubsetReader::parseIwbMeta()
{
if (currentState != IWB)
{
qWarning() << "iwb content parse error, unexpected meta tag at line" << mReader.lineNumber();
return false;
}
return true;
}
bool UBCFFSubsetAdaptor::UBCFFSubsetReader::parseSvg()
{
if (currentState != IWB)
{
qWarning() << "iwb content parse error, unexpected svg tag at line" << mReader.lineNumber();
return false;
}
getViewBoxDimenstions(mReader.attributes().value(aViewbox).toString());
mSize = QSize(mReader.attributes().value(aWidth).toString().toInt(),
mReader.attributes().value(aHeight).toString().toInt());
return true;
}
void UBCFFSubsetAdaptor::UBCFFSubsetReader::repositionSvgItem(UBGraphicsSvgItem *item, qreal width, qreal height, qreal x, qreal y, bool useTransform, QTransform &transform)
{
QTransform curTrans = item->transform();
qWarning() << QString().sprintf("Item current transform = %f 0 0 %f %f %f, position %f, %f", curTrans.m11(), curTrans.m22(), curTrans.dx(), curTrans.dy(), item->x(), item->y());
//check if rect is rotated
//rotate svg item itself
QRectF itemBounds = item->boundingRect();
//first, svg is mapped to svg item bound
//second, svg item is mapped to scene
//so, get svg to svg item scale and multiple by scene scale
qreal hScale = itemBounds.width() / width * curTrans.m11();
qreal vScale = itemBounds.height() / height * curTrans.m22();
if (useTransform)
{
QPointF oldVector((x - transform.dx()), (y - transform.dy()));
QTransform rTransform(transform.m11(), transform.m12(), transform.m21(), transform.m22(), 0, 0);
QPointF newVector = rTransform.map(oldVector);
rTransform.scale(curTrans.m11(), curTrans.m22());
item->setTransform(QTransform(rTransform.m11(), rTransform.m12(), rTransform.m21(), rTransform.m22(), 0, 0));
item->setPos((x - mViewBoxCenter.x() + (newVector - oldVector).x()) * hScale, (y - mViewBoxCenter.y() + (newVector - oldVector).y()) * vScale );
}
else
{
item->setPos((x - mViewBoxCenter.x()) * hScale, (y - mViewBoxCenter.y()) * vScale);
}
QTransform newTrans = item->transform();
qWarning() << QString("Item new transform = %3 0 0 %4 %1 %2, position %5, %6").arg(newTrans.dx()).arg(newTrans.dy()).arg(newTrans.m11()).arg(newTrans.m22()).arg(item->x()).arg(item->y());
}
bool UBCFFSubsetAdaptor::UBCFFSubsetReader::parseRect()
{
if (currentState != SVG && currentState != PAGE)
{
qWarning() << "iwb content parse error, unexpected rect tag at line" << mReader.lineNumber();
return false;
}
//create new scene if it's not created yet (for one page document case)
if (currentState == SVG && mCurrentScene == NULL)
createNewScene();
//rect lef top corner coordinates
qreal x1 = mReader.attributes().value(aX).toString().toDouble();
qreal y1 = mReader.attributes().value(aY).toString().toDouble();
//rect dimensions
qreal width = mReader.attributes().value(aWidth).toString().toDouble();
qreal height = mReader.attributes().value(aHeight).toString().toDouble();
//init svg generator with temp file
QSvgGenerator *generator = createSvgGenerator(width + 10, height + 10);
//init painter to paint to svg
QPainter painter;
painter.begin(generator);
//fill rect
if (mReader.attributes().hasAttribute(aFill))
{
QColor fillColor = colorFromString(mReader.attributes().value(aFill).toString());
painter.setBrush(QBrush(fillColor));
painter.fillRect(5, 5, width, height, fillColor);
}
bool hasStrokeColor = mReader.attributes().hasAttribute(aStroke);
bool hasStrokeWidth = mReader.attributes().hasAttribute(aStrokewidth);
if (hasStrokeColor || hasStrokeWidth)
{
QPen pen;
if (hasStrokeColor)
pen.setColor(colorFromString(mReader.attributes().value(aStroke).toString()));
if (hasStrokeWidth)
pen.setWidth(mReader.attributes().value(aStrokewidth).toString().toInt());
painter.setPen(pen);
painter.drawRect(5, 5, width, height);
}
painter.end();
//add resulting svg file to scene
UBGraphicsSvgItem *svgItem = mCurrentScene->addSvg(QUrl::fromLocalFile(generator->fileName()));
QTransform transform;
bool hastransform = getCurElementTransorm(transform);
repositionSvgItem(svgItem, width + 10, height + 10, x1 - 5, y1 - 5, hastransform, transform);
delete generator;
return true;
}
bool UBCFFSubsetAdaptor::UBCFFSubsetReader::parseEllipse()
{
if (currentState != SVG && currentState != PAGE)
{
qWarning() << "iwb content parse error, unexpected ellipse tag at line" << mReader.lineNumber();
return false;
}
//create new scene if it's not created yet (for one page document case)
if (currentState == SVG && mCurrentScene == NULL)
createNewScene();
//ellipse horisontal and vertical radius
qreal rx = mReader.attributes().value(aRx).toString().toDouble();
qreal ry = mReader.attributes().value(aRy).toString().toDouble();
QSvgGenerator *generator = createSvgGenerator(rx * 2 + 10, ry * 2 + 10);
//fill and stroke color
QColor fillColor = colorFromString(mReader.attributes().value(aFill).toString());
QColor strokeColor = colorFromString(mReader.attributes().value(aStroke).toString());
int strokeWidth = mReader.attributes().value(aStrokewidth).toString().toInt();
//ellipse center coordinates
qreal cx = mReader.attributes().value(aCx).toString().toDouble();
qreal cy = mReader.attributes().value(aCy).toString().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(5, 5, rx * 2, ry * 2);
painter.end();
//add resulting svg file to scene
UBGraphicsSvgItem *svgItem = mCurrentScene->addSvg(QUrl::fromLocalFile(generator->fileName()));
QTransform transform;
bool hasTransform = getCurElementTransorm(transform);
repositionSvgItem(svgItem, rx * 2 + 10, ry * 2 + 10, cx - rx - 5, cy - ry -5, hasTransform, transform);
delete generator;
return true;
}
bool UBCFFSubsetAdaptor::UBCFFSubsetReader::parseTextArea()
{
if (currentState != SVG && currentState != PAGE)
{
qWarning() << "iwb content parse error, unexpected textarea tag at line" << mReader.lineNumber();
return false;
}
//create new scene if it's not created yet (for one page document case)
if (currentState == SVG && mCurrentScene == NULL)
createNewScene();
//TODO textarea node
qreal x = mReader.attributes().value(aX).toString().toDouble();
qreal y = mReader.attributes().value(aY).toString().toDouble();
qreal width = mReader.attributes().value(aWidth).toString().toDouble();
qreal height = mReader.attributes().value(aHeight).toString().toDouble();
qWarning() << QString().sprintf("Text coordinates : %f,%f. Text size %f,%f", x, y, width, height);
qreal fontSize = 12.0;
QColor fontColor;
QString fontFamily = "Arial";
QString fontStretch = "normal";
bool italic = false;
int fontWeight = QFont::Normal;
int textAlign = Qt::AlignLeft;
QTransform fontTransform;
parseTextAttributes(fontSize, fontColor, fontFamily, fontStretch, italic, fontWeight, textAlign, fontTransform);
QSvgGenerator *generator = createSvgGenerator(width, height);
QPainter painter;
painter.begin(generator);
painter.setFont(QFont(fontFamily, fontSize, fontWeight, italic));
qreal curY = 0.0;
qreal curX = 0.0;
qreal linespacing = QFontMetricsF(painter.font()).leading();
//remember if text area has transform
QString transformString;
QTransform transform;
bool hasTransform = getCurElementTransorm(transform);
QRectF lastDrawnTextBoundingRect;
//parse text area tags
while(true)
{
mReader.readNext();
QStringRef elementName = mReader.name();
if (mReader.isEndDocument())
break;
if (mReader.isEndElement() && elementName == tBreak)
{
//when tbreak appers, move down by the drawn rect height
//TODO: line spacing is not calculated yet, additional code is required
curY += lastDrawnTextBoundingRect.height() + linespacing;
curX = 0.0;
lastDrawnTextBoundingRect = QRectF(0,0,0,0);
continue;
}
if (mReader.isEndElement() && elementName == tTextarea)
break;
if (mReader.isStartElement() && elementName == tTspan)
{
parseTextAttributes(fontSize, fontColor, fontFamily, fontStretch, italic, fontWeight, textAlign, fontTransform);
painter.setFont(QFont(fontFamily, fontSize, fontWeight, italic));
painter.setPen(fontColor);
linespacing = QFontMetricsF(painter.font()).leading();
continue;
}
if (mReader.isCharacters() || mReader.isCDATA())
{
QString text = mReader.text().toString().trimmed();
//skip empty text
if (text.length() == 0)
continue;
//get bounding rect to obtain desired text height
lastDrawnTextBoundingRect = painter.boundingRect(QRectF(curX, curY, width, height - curY), textAlign|Qt::TextWordWrap, text);
QString log = QString().sprintf(" at rect %f, %f, %f, %f. Bounding rect is %f, %f, %f, %f", 0.0, curY, width, height - curY, lastDrawnTextBoundingRect.x(), lastDrawnTextBoundingRect.y(), lastDrawnTextBoundingRect.width(), lastDrawnTextBoundingRect.height());
qWarning() << "Text " << text << log;
painter.drawText(curX, curY, width, lastDrawnTextBoundingRect.height(), textAlign|Qt::TextWordWrap, text);
curX += lastDrawnTextBoundingRect.x() + lastDrawnTextBoundingRect.width();
continue;
}
}
painter.end();
//add resulting svg file to scene
UBGraphicsSvgItem *svgItem = mCurrentScene->addSvg(QUrl::fromLocalFile(generator->fileName()));
repositionSvgItem(svgItem, width, height, x, y, hasTransform, transform);
delete generator;
return true;
}
bool UBCFFSubsetAdaptor::UBCFFSubsetReader::parseText()
{
if (currentState != SVG && currentState != PAGE)
{
qWarning() << "iwb content parse error, unexpected textarea tag at line" << mReader.lineNumber();
return false;
}
//create new scene if it's not created yet (for one page document case)
if (currentState == SVG && mCurrentScene == NULL)
createNewScene();
qreal x = mReader.attributes().value(aX).toString().toDouble();
qreal y = mReader.attributes().value(aY).toString().toDouble();
qreal width = 0;
qreal height = 0;
QList textRects;
QList textFonts;
QList textLines;
QList textAligns;
QList textColors;
qWarning() << QString().sprintf("Text coordinates : %f,%f. Text size %f,%f", x, y, width, height);
qreal fontSize = 12.0;
QFont textFont;
QColor fontColor;
QString fontFamily = "Arial";
QString fontStretch = "normal";
bool italic = false;
int fontWeight = QFont::Normal;
int textAlign = Qt::AlignLeft;
QTransform fontTransform;
parseTextAttributes(fontSize, fontColor, fontFamily, fontStretch, italic, fontWeight, textAlign, fontTransform);
textFont = QFont(fontFamily, fontSize, fontWeight, italic);
QFontMetricsF metrics = QFontMetricsF(textFont);
qreal curHeight = metrics.height();
qreal curY = 0.0;
qreal curX = 0.0;
qreal linespacing = QFontMetrics(textFont).leading();
//remember if text area has transform
QTransform transform;
bool hasTransform = getCurElementTransorm(transform);
QRectF lastDrawnTextBoundingRect;
QStack fontStack;
QStack colorStack;
QStack alignStack;
// first extimate desired text area size
// to do that, parse text area tags
while(true)
{
mReader.readNext();
QStringRef elementName = mReader.name();
if (mReader.isEndDocument())
break;
if (mReader.isEndElement())
{
if (elementName == tBreak)
{
//when tbreak appers, move down by the drawn rect height
//TODO: line spacing is not calculated yet, probably additional code is required
curY += lastDrawnTextBoundingRect.height() + linespacing;
curX = 0.0;
height += lastDrawnTextBoundingRect.height();
lastDrawnTextBoundingRect = QRectF(0,0,0,0);
continue;
}
if (elementName == tTspan)
{
textFont = fontStack.pop();
fontColor = colorStack.pop();
textAlign = alignStack.pop();
continue;
}
}
if (mReader.isEndElement() && elementName == tText)
break;
if (mReader.isStartElement() && elementName == tTspan)
{
fontStack.push(textFont);
colorStack.push(fontColor);
alignStack.push(textAlign);
parseTextAttributes(fontSize, fontColor, fontFamily, fontStretch, italic, fontWeight, textAlign, fontTransform);
textFont = QFont(fontFamily, fontSize, fontWeight, italic);
metrics = QFontMetricsF(textFont);
curHeight = metrics.height();
linespacing = QFontMetricsF(textFont).leading();
continue;
}
if (mReader.isCharacters() || mReader.isCDATA())
{
QString text = mReader.text().toString();
//skip empty text
if (text.trimmed().length() == 0)
continue;
//get bounding rect to obtain desired text height
lastDrawnTextBoundingRect = metrics.boundingRect(QRectF(), textAlign, text);
QString log = QString().sprintf(" at rect %f, %f, %f, %f. Bounding rect is %f, %f, %f, %f", 0.0, curY, width, height - curY, lastDrawnTextBoundingRect.x(), lastDrawnTextBoundingRect.y(), lastDrawnTextBoundingRect.width(), lastDrawnTextBoundingRect.height());
qWarning() << "Text " << text << log;
textFonts.append(textFont);
textRects.append(QRectF(curX, curY, lastDrawnTextBoundingRect.width(), lastDrawnTextBoundingRect.height()));
textLines.append(text);
textAligns.append(textAlign);
textColors.append(fontColor);
curX += lastDrawnTextBoundingRect.width();
if (width < curX)
width = curX;
if (height == 0)
height = curHeight;
continue;
}
}
QSvgGenerator *generator = createSvgGenerator(width, height);
QPainter painter;
painter.begin(generator);
if (textRects.count() != 0)
{
QListIterator textRectsIter(textRects);
QListIterator textFontsIter(textFonts);
QListIterator textLinesIter(textLines);
QListIterator textAlignsIter(textAligns);
QListIterator textColorsIter(textColors);
while (textRectsIter.hasNext())
{
QRectF rt = textRectsIter.next();
QFont font = textFontsIter.next();
QString line = textLinesIter.next();
int align = textAlignsIter.next();
QColor color = textColorsIter.next();
painter.setFont(font);
painter.setPen(color);
painter.drawText(rt.x(), rt.y(), rt.width(), rt.height(), align, line);
}
}
painter.end();
//add resulting svg file to scene
UBGraphicsSvgItem *svgItem = mCurrentScene->addSvg(QUrl::fromLocalFile(generator->fileName()));
repositionSvgItem(svgItem, width, height, x, y, hasTransform, transform);
delete generator;
return true;
}
bool UBCFFSubsetAdaptor::UBCFFSubsetReader::parsePolygon()
{
if (currentState != SVG && currentState != PAGE)
{
qWarning() << "iwb content parse error, unexpected polygon tag at line" << mReader.lineNumber();
return false;
}
//create new scene if it's not created yet (for one page document case)
if (currentState == SVG && mCurrentScene == NULL)
createNewScene();
QStringRef svgPoints = mReader.attributes().value("points");
QPolygonF polygon;
if (!svgPoints.isNull()) {
QStringList ts = svgPoints.toString().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 {
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();
QPen pen;
if (mReader.attributes().hasAttribute(aStroke))
pen.setColor(colorFromString(mReader.attributes().value(aStroke).toString()));
if (mReader.attributes().hasAttribute(aStrokewidth))
pen.setWidth(mReader.attributes().value(aStrokewidth).toString().toInt());
QBrush brush;
if (mReader.attributes().hasAttribute(aFill)) {
brush.setColor(colorFromString(mReader.attributes().value(aFill).toString()));
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;
bool hastransform = getCurElementTransorm(transform);
repositionSvgItem(svgItem, width + 10, height + 10, x1 - 5, y1 - 5, hastransform, transform);
delete generator;
return true;
}
bool UBCFFSubsetAdaptor::UBCFFSubsetReader::parsePolyline()
{
if (currentState != SVG && currentState != PAGE)
{
qWarning() << "iwb content parse error, unexpected polyline tag at line" << mReader.lineNumber();
return false;
}
//create new scene if it's not created yet (for one page document case)
if (currentState == SVG && mCurrentScene == NULL)
createNewScene();
QStringRef svgPoints = mReader.attributes().value("points");
QPolygonF polygon;
if (!svgPoints.isNull()) {
QStringList ts = svgPoints.toString().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 {
qWarning() << "cannot make sense of a 'point' value" << sCoord;
}
}
polygon.translate(-polygon.boundingRect().topLeft());
}
//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();
QPen pen;
if (mReader.attributes().hasAttribute(aStroke))
pen.setColor(colorFromString(mReader.attributes().value(aStroke).toString()));
if (mReader.attributes().hasAttribute(aStrokewidth))
pen.setWidth(mReader.attributes().value(aStrokewidth).toString().toInt());
pen.setColor(Qt::yellow);
QSvgGenerator *generator = createSvgGenerator(width + pen.width(), height + pen.width());
QPainter painter;
painter.begin(generator); //drawing to svg tmp file
painter.translate(pen.widthF() / 2, pen.widthF() / 2);
painter.setPen(pen);
painter.drawPolyline(polygon);
painter.end();
//add resulting svg file to scene
UBGraphicsSvgItem *svgItem = mCurrentScene->addSvg(QUrl::fromLocalFile(generator->fileName()));
QTransform transform;
bool hastransform = getCurElementTransorm(transform);
repositionSvgItem(svgItem, width + 10, height + 10, x1 - 5, y1 - 5, hastransform, transform);
delete generator;
return true;
}
bool UBCFFSubsetAdaptor::UBCFFSubsetReader::parsePage()
{
if (currentState != PAGESET && currentState != SVG)
{
qWarning() << "iwb content parse error, unexpected page tag at line" << mReader.lineNumber();
return false;
}
createNewScene();
qWarning() << "Added page number" << mProxy->pageCount();
return true;
}
bool UBCFFSubsetAdaptor::UBCFFSubsetReader::parsePageSet()
{
if (currentState != SVG)
{
qWarning() << "iwb content parse error, unexpected page tag at line" << mReader.lineNumber();
return false;
}
return true;
}
bool UBCFFSubsetAdaptor::UBCFFSubsetReader::parseIwbElementRef()
{
if (currentState != IWB)
{
qWarning() << "iwb content parse error, unexpected element tag at line" << mReader.lineNumber();
return false;
}
return true;
}
bool UBCFFSubsetAdaptor::UBCFFSubsetReader::createNewScene()
{
mCurrentScene = UBPersistenceManager::persistenceManager()->createDocumentSceneAt(mProxy, mProxy->pageCount());
mCurrentSceneRect = mCurrentScene->normalizedSceneRect();
return true;
}
bool UBCFFSubsetAdaptor::UBCFFSubsetReader::persistCurrentScene()
{
if (mCurrentScene != 0 && mCurrentScene->isModified())
{
UBThumbnailAdaptor::persistScene(mProxy->persistencePath(), mCurrentScene, mProxy->pageCount() - 1);
UBSvgSubsetAdaptor::persistScene(mProxy, mCurrentScene, mProxy->pageCount() - 1);
mCurrentScene->setModified(false);
mCurrentScene = 0;
}
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);
}
bool UBCFFSubsetAdaptor::UBCFFSubsetReader::getCurElementTransorm(QTransform &transform)
{
if (mReader.attributes().hasAttribute(aTransform))
{
transform = transformFromString(mReader.attributes().value(aTransform).toString());
return true;
}
else
return false;
}
QTransform UBCFFSubsetAdaptor::UBCFFSubsetReader::transformFromString(const QString trString)
{
//check pattern for strings like 'rotate(10)'
QRegExp regexp("rotate\\( *([-+]{0,1}[0-9]*\\.{0,1}[0-9]*) *\\)");
if (regexp.exactMatch(trString))
{
if (regexp.capturedTexts().count() == 2 && regexp.capturedTexts().at(0).length() == trString.length())
{
qreal angle = regexp.capturedTexts().at(1).toDouble();
return QTransform().rotate(angle);
}
}
//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(trString))
{
if (regexp.capturedTexts().count() == 4 && regexp.capturedTexts().at(0).length() == trString.length())
{
qreal angle = regexp.capturedTexts().at(1).toDouble();
qreal dx = regexp.capturedTexts().at(2).toDouble();
qreal dy = regexp.capturedTexts().at(3).toDouble();
return QTransform().translate(dx, dy).rotate(angle);
}
}
return QTransform();
}
bool UBCFFSubsetAdaptor::UBCFFSubsetReader::getViewBoxDimenstions(const QString& viewBox)
{
//check pattern for strings like 'rotate(10)'
QRegExp regexp("([0-9]+) ([0-9]+) ([0-9]+) ([0-9]+)");
if (regexp.exactMatch(viewBox))
{
int capturesCount = regexp.capturedTexts().count();
if (capturesCount == 5 && regexp.capturedTexts().at(0).length() == viewBox.length())
{
mViewBox = QRectF(0, 0, regexp.capturedTexts().at(3).toDouble(), regexp.capturedTexts().at(4).toDouble());
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;
}
}
}
void UBCFFSubsetAdaptor::UBCFFSubsetReader::parseTextAttributes(qreal &fontSize, QColor &fontColor,
QString &fontFamily, QString &fontStretch, bool &italic,
int &fontWeight, int &textAlign, QTransform &fontTransform)
{
if (mReader.attributes().hasAttribute(aFontSize))
{
//consider inch has 72 liens
//since svg font size is given in pixels, divide it by pixels per line
fontSize = mReader.attributes().value(aFontSize).toString().toDouble() * 72 / QApplication::desktop()->physicalDpiY();
}
if (mReader.attributes().hasAttribute(aFill))
fontColor = colorFromString(mReader.attributes().value(aFill).toString());
if (mReader.attributes().hasAttribute(aFontfamily))
fontFamily = mReader.attributes().value(aFontfamily).toString();
if (mReader.attributes().hasAttribute(aFontstretch))
fontStretch = mReader.attributes().value(aFontstretch).toString();
if (mReader.attributes().hasAttribute(aFontstyle))
{
QStringRef fontStyle = mReader.attributes().value(aFontstyle);
italic = fontStyle == "italic";
}
if (mReader.attributes().hasAttribute(aFontweight))
{
QStringRef weight = mReader.attributes().value(aFontweight);
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;
if (weight == "black")
fontWeight = QFont::Black;
}
if (mReader.attributes().hasAttribute(aTextalign))
{
QString align = mReader.attributes().value(aTextalign).toString();
if (align == "middle" || align == "center")
textAlign = Qt::AlignHCenter;
else
if (align == "start")
textAlign = Qt::AlignLeft;
else
if (align == "end")
textAlign = Qt::AlignRight;
}
if (mReader.attributes().hasAttribute(aTransform))
fontTransform = transformFromString(mReader.attributes().value(aTransform).toString());
}