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Merge branch 'hochwasser-parser_for_fileformat_3'

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This commit is contained in:
Jim Evins
2018-12-02 16:52:24 -05:00
parent ca6f0c7573 ba3c60216f
commit 316f3915bd
26 changed files with 2489 additions and 2 deletions
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model/CMakeLists.txt
+1
View File
@@ -60,6 +60,7 @@ set (Model_sources
XmlCategoryParser.cpp
XmlLabelCreator.cpp
XmlLabelParser.cpp
XmlLabelParser_3.cpp
XmlPaperParser.cpp
XmlTemplateCreator.cpp
XmlTemplateParser.cpp
model/XmlLabelParser.cpp
+5 -2
View File
@@ -32,6 +32,8 @@
#include "XmlUtil.h"
#include "DataCache.h"
#include "XmlLabelParser_3.h"
#include "barcode/Backends.h"
#include "merge/Factory.h"
@@ -77,7 +79,7 @@ namespace glabels
gunzip( rawData, unzippedData );
success = doc.setContent( unzippedData, false, &errorString, &errorLine, &errorColumn );
#else
qWarning() << "Warning: Cannot read compressed glabels project file! gLabels not build with ZLIB.";
qWarning() << "Warning: Cannot read compressed glabels project file! gLabels not built with ZLIB.";
return nullptr;
#endif
}
@@ -239,7 +241,8 @@ namespace glabels
QString version = XmlUtil::getStringAttr( node, "version", "" );
if ( version != "4.0" )
{
qWarning() << "TODO: compatibility mode.";
// Attempt to import as version 3.0 format (glabels 2.0 - glabels 3.4)
return XmlLabelParser_3::parseRootNode(node);
}
auto* label = new Model();
model/XmlLabelParser_3.cpp
+828
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@@ -0,0 +1,828 @@
/* XmlLabelParser_3.cpp
*
* Copyright (C) 2014-2016 Jim Evins <evins@snaught.com>
*
* This file is part of gLabels-qt.
*
* gLabels-qt 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.
*
* gLabels-qt 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 gLabels-qt. If not, see <http://www.gnu.org/licenses/>.
*/
#include "XmlLabelParser_3.h"
#include "DataCache.h"
#include "Model.h"
#include "ModelBarcodeObject.h"
#include "ModelBoxObject.h"
#include "ModelEllipseObject.h"
#include "ModelImageObject.h"
#include "ModelLineObject.h"
#include "ModelObject.h"
#include "ModelTextObject.h"
#include "XmlTemplateParser.h"
#include "XmlUtil.h"
#include "Size.h"
#include "barcode/Backends.h"
#include "merge/Factory.h"
#include <QByteArray>
#include <QFile>
#include <QTextCursor>
#include <QTextDocument>
#include <QtDebug>
#if HAVE_ZLIB
#include <zlib.h>
#endif
namespace
{
const uint32_t GDK_PIXBUF_MAGIC_NUMBER {0x47646b50};
const double FONT_SCALE_FACTOR {0.75};
typedef enum
{
/* colorspace + alpha */
GDK_PIXDATA_COLOR_TYPE_RGB = 0x01,
GDK_PIXDATA_COLOR_TYPE_RGBA = 0x02,
GDK_PIXDATA_COLOR_TYPE_MASK = 0xff,
/* width, support 8bits only currently */
GDK_PIXDATA_SAMPLE_WIDTH_8 = 0x01 << 16,
GDK_PIXDATA_SAMPLE_WIDTH_MASK = 0x0f << 16,
/* encoding */
GDK_PIXDATA_ENCODING_RAW = 0x01 << 24,
GDK_PIXDATA_ENCODING_RLE = 0x02 << 24,
GDK_PIXDATA_ENCODING_MASK = 0x0f << 24
} GdkPixdataType;
}
namespace glabels
{
namespace model
{
Model*
XmlLabelParser_3::parseRootNode( const QDomElement &node )
{
auto* label = new Model();
/* Pass 1, extract data nodes to pre-load cache. */
DataCache data;
for ( QDomNode child = node.firstChild(); !child.isNull(); child = child.nextSibling() )
{
auto element = child.toElement();
if (!element.isNull() && element.tagName() == "Data" )
{
parseDataNode( element, data );
}
}
/* Pass 2, now extract everything else. */
for ( QDomNode child = node.firstChild(); !child.isNull(); child = child.nextSibling() )
{
const auto childElement = child.toElement();
if(childElement.isNull())
{
qCritical()<<"Can't convert the node to an element. Try to continue.";
continue;
}
const QString tagName = childElement.tagName();
if ( tagName == "Template" )
{
Template* tmplate = XmlTemplateParser().parseTemplateNode( childElement );
if ( tmplate == nullptr )
{
qWarning() << "Unable to parse template";
delete label;
return nullptr;
}
label->setTmplate( tmplate );
}
else if ( tagName == "Objects" )
{
label->setRotate( parseRotateAttr( childElement ) );
QList<ModelObject*> list = parseObjectsNode( childElement, data );
foreach ( ModelObject* object, list )
{
label->addObject( object );
}
}
else if ( tagName == "Merge" )
{
parseMergeNode( childElement, label );
}
else if ( tagName == "Data" )
{
/* Handled in pass 1. */
}
else if ( !child.isComment() )
{
qWarning() << "Unexpected" << node.tagName() << "child:" << tagName;
}
}
label->clearModified();
return label;
}
QList<ModelObject*>
XmlLabelParser_3::parseObjectsNode( const QDomElement &node, const DataCache& data )
{
QList<ModelObject*> list;
for ( QDomNode child = node.firstChild(); !child.isNull(); child = child.nextSibling() )
{
const auto childElement = child.toElement();
if(childElement.isNull())
{
qCritical()<<"Can't convert the node to an element. Try to continue.";
continue;
}
const QString tagName = childElement.tagName();
if ( tagName == "Object-box" )
{
list.append( parseObjectBoxNode( childElement ) );
}
else if ( tagName == "Object-ellipse" )
{
list.append( parseObjectEllipseNode( childElement ) );
}
else if ( tagName == "Object-line" )
{
list.append( parseObjectLineNode( childElement ) );
}
else if ( tagName == "Object-text" )
{
list.append( parseObjectTextNode( childElement ) );
}
else if ( tagName == "Object-image" )
{
list.append( parseObjectImageNode( childElement, data ) );
}
else if ( tagName == "Object-barcode" )
{
list.append( parseObjectBarcodeNode( childElement ) );
}
else if ( !child.isComment() )
{
qWarning() << "Unexpected" << node.tagName() << "child:" << tagName;
}
}
return list;
}
ModelBoxObject*
XmlLabelParser_3::parseObjectBoxNode( const QDomElement &node )
{
/* position attrs */
const Distance x0 = XmlUtil::getLengthAttr( node, "x", 0.0 );
const Distance y0 = XmlUtil::getLengthAttr( node, "y", 0.0 );
/* size attrs */
const Distance w = XmlUtil::getLengthAttr( node, "w", 0 );
const Distance h = XmlUtil::getLengthAttr( node, "h", 0 );
/* line attrs */
const Distance lineWidth = XmlUtil::getLengthAttr( node, "line_width", 1.0 );
QString key = XmlUtil::getStringAttr( node, "line_color_field", "" );
bool field_flag = !key.isEmpty();
uint32_t color = XmlUtil::getUIntAttr( node, "line_color", 0 );
const ColorNode lineColorNode( field_flag, color, key );
/* fill attrs */
key = XmlUtil::getStringAttr( node, "fill_color_field", "" );
field_flag = !key.isEmpty();
color = XmlUtil::getUIntAttr( node, "fill_color", 0 );
const ColorNode fillColorNode( field_flag, color, key );
/* affine attrs */
const auto affineTransformation = parseAffineTransformation(node);
/* shadow attrs */
const bool shadowState = XmlUtil::getBoolAttr( node, "shadow", false );
const Distance shadowX = XmlUtil::getLengthAttr( node, "shadow_x", 0.0 );
const Distance shadowY = XmlUtil::getLengthAttr( node, "shadow_y", 0.0 );
const double shadowOpacity = XmlUtil::getDoubleAttr( node, "shadow_opacity", 1.0 );
key = XmlUtil::getStringAttr( node, "shadow_color_field", "" );
field_flag = !key.isEmpty();
color = XmlUtil::getUIntAttr( node, "shadow_color", 0 );
const ColorNode shadowColorNode( field_flag, color, key );
return new ModelBoxObject( x0, y0, w, h,
lineWidth, lineColorNode,
fillColorNode,
affineTransformation,
shadowState, shadowX, shadowY, shadowOpacity, shadowColorNode );
}
ModelEllipseObject*
XmlLabelParser_3::parseObjectEllipseNode( const QDomElement &node )
{
/* position attrs */
const Distance x0 = XmlUtil::getLengthAttr( node, "x", 0.0 );
const Distance y0 = XmlUtil::getLengthAttr( node, "y", 0.0 );
/* size attrs */
const Distance w = XmlUtil::getLengthAttr( node, "w", 0 );
const Distance h = XmlUtil::getLengthAttr( node, "h", 0 );
/* line attrs */
const Distance lineWidth = XmlUtil::getLengthAttr( node, "line_width", 1.0 );
QString key = XmlUtil::getStringAttr( node, "line_color_field", "" );
bool field_flag = !key.isEmpty();
uint32_t color = XmlUtil::getUIntAttr( node, "line_color", 0 );
const ColorNode lineColorNode( field_flag, color, key );
/* fill attrs */
key = XmlUtil::getStringAttr( node, "fill_color_field", "" );
field_flag = !key.isEmpty();
color = XmlUtil::getUIntAttr( node, "fill_color", 0 );
const ColorNode fillColorNode( field_flag, color, key );
/* affine attrs */
const auto affineTransformation = parseAffineTransformation(node);
/* shadow attrs */
const bool shadowState = XmlUtil::getBoolAttr( node, "shadow", false );
const Distance shadowX = XmlUtil::getLengthAttr( node, "shadow_x", 0.0 );
const Distance shadowY = XmlUtil::getLengthAttr( node, "shadow_y", 0.0 );
const double shadowOpacity = XmlUtil::getDoubleAttr( node, "shadow_opacity", 1.0 );
key = XmlUtil::getStringAttr( node, "shadow_color_field", "" );
field_flag = !key.isEmpty();
color = XmlUtil::getUIntAttr( node, "shadow_color", 0 );
const ColorNode shadowColorNode( field_flag, color, key );
return new ModelEllipseObject( x0, y0, w, h,
lineWidth, lineColorNode,
fillColorNode,
affineTransformation,
shadowState, shadowX, shadowY, shadowOpacity, shadowColorNode );
}
ModelLineObject*
XmlLabelParser_3::parseObjectLineNode( const QDomElement &node )
{
/* position attrs */
const Distance x0 = XmlUtil::getLengthAttr( node, "x", 0.0 );
const Distance y0 = XmlUtil::getLengthAttr( node, "y", 0.0 );
/* size attrs of line */
const Distance dx = XmlUtil::getLengthAttr( node, "dx", 0 );
const Distance dy = XmlUtil::getLengthAttr( node, "dy", 0 );
/* line attrs */
const Distance lineWidth = XmlUtil::getLengthAttr( node, "line_width", 1.0 );
QString key = XmlUtil::getStringAttr( node, "line_color_field", "" );
bool field_flag = !key.isEmpty();
uint32_t color = XmlUtil::getUIntAttr( node, "line_color", 0 );
const ColorNode lineColorNode( field_flag, color, key );
/* affine attrs */
const auto affineTransformation = parseAffineTransformation(node);
/* shadow attrs */
const bool shadowState = XmlUtil::getBoolAttr( node, "shadow", false );
const Distance shadowX = XmlUtil::getLengthAttr( node, "shadow_x", 0.0 );
const Distance shadowY = XmlUtil::getLengthAttr( node, "shadow_y", 0.0 );
const double shadowOpacity = XmlUtil::getDoubleAttr( node, "shadow_opacity", 1.0 );
key = XmlUtil::getStringAttr( node, "shadow_color_field", "" );
field_flag = !key.isEmpty();
color = XmlUtil::getUIntAttr( node, "shadow_color", 0 );
const ColorNode shadowColorNode( field_flag, color, key );
return new ModelLineObject( x0, y0, dx, dy,
lineWidth, lineColorNode,
affineTransformation,
shadowState, shadowX, shadowY, shadowOpacity, shadowColorNode );
}
ModelImageObject*
XmlLabelParser_3::parseObjectImageNode( const QDomElement &node, const DataCache& data )
{
/* position attrs */
const Distance x0 = XmlUtil::getLengthAttr( node, "x", 0.0 );
const Distance y0 = XmlUtil::getLengthAttr( node, "y", 0.0 );
/* size attrs */
const Distance w = XmlUtil::getLengthAttr( node, "w", 0 );
const Distance h = XmlUtil::getLengthAttr( node, "h", 0 );
/* file attrs */
QString key = XmlUtil::getStringAttr( node, "field", "" );
bool field_flag = !key.isEmpty();
const QString filename = XmlUtil::getStringAttr( node, "src", "" );
const TextNode filenameNode( field_flag, field_flag ? key : filename );
/* affine attrs */
const auto affineTransformation = parseAffineTransformation(node);
/* shadow attrs */
const bool shadowState = XmlUtil::getBoolAttr( node, "shadow", false );
const Distance shadowX = XmlUtil::getLengthAttr( node, "shadow_x", 0.0 );
const Distance shadowY = XmlUtil::getLengthAttr( node, "shadow_y", 0.0 );
const double shadowOpacity = XmlUtil::getDoubleAttr( node, "shadow_opacity", 1.0 );
key = XmlUtil::getStringAttr( node, "shadow_color_field", "" );
field_flag = !key.isEmpty();
uint32_t color = XmlUtil::getUIntAttr( node, "shadow_color", 0 );
const ColorNode shadowColorNode( field_flag, color, key );
if ( filenameNode.isField() )
{
return new ModelImageObject( x0, y0, w, h,
filenameNode,
affineTransformation,
shadowState, shadowX, shadowY, shadowOpacity, shadowColorNode );
}
if ( data.hasImage( filename ) )
{
return new ModelImageObject( x0, y0, w, h,
filename, data.getImage( filename ),
affineTransformation,
shadowState, shadowX, shadowY, shadowOpacity, shadowColorNode );
}
if ( data.hasSvg( filename ) )
{
return new ModelImageObject( x0, y0, w, h,
filename, data.getSvg( filename ),
affineTransformation,
shadowState, shadowX, shadowY, shadowOpacity, shadowColorNode );
}
qWarning() << "Embedded file" << filename << "missing. Trying actual file.";
return new ModelImageObject( x0, y0, w, h,
filenameNode,
affineTransformation,
shadowState, shadowX, shadowY, shadowOpacity, shadowColorNode );
}
ModelBarcodeObject*
XmlLabelParser_3::parseObjectBarcodeNode( const QDomElement &node )
{
/* position attrs */
const Distance x0 = XmlUtil::getLengthAttr( node, "x", 0.0 );
const Distance y0 = XmlUtil::getLengthAttr( node, "y", 0.0 );
/* size attrs */
const Distance w = XmlUtil::getLengthAttr( node, "w", 0 );
const Distance h = XmlUtil::getLengthAttr( node, "h", 0 );
/* barcode attrs */
const auto backend = XmlUtil::getStringAttr( node, "backend", "");
// one major difference between glabels-3.0.dtd and glabels-4.0.dtd
// is the lowercase of the style names
const auto style = XmlUtil::getStringAttr( node, "style", "").toLower();
const barcode::Style bcStyle = barcode::Backends::style( backend, style );
const bool bcTextFlag = XmlUtil::getBoolAttr( node, "text", true );
const bool bcChecksumFlag = XmlUtil::getBoolAttr( node, "checksum", true );
const QString key = XmlUtil::getStringAttr( node, "color_field", "" );
const bool field_flag = !key.isEmpty();
const uint32_t color = XmlUtil::getUIntAttr( node, "color", 0 );
const ColorNode bcColorNode( field_flag, color, key );
QString bcData = XmlUtil::getStringAttr( node, "data", "" );
if(bcData.isEmpty())
{
bcData = "${" + XmlUtil::getStringAttr( node, "field", "" ) + "}";
}
/* affine attrs */
const auto affineTransformation = parseAffineTransformation(node);
return new ModelBarcodeObject( x0, y0, w, h,
bcStyle, bcTextFlag, bcChecksumFlag, bcData, bcColorNode,
affineTransformation );
}
QMatrix
XmlLabelParser_3::parseAffineTransformation(const QDomElement &node)
{
return {XmlUtil::getDoubleAttr( node, "a0", 1.0 ),
XmlUtil::getDoubleAttr( node, "a1", 0.0 ),
XmlUtil::getDoubleAttr( node, "a2", 0.0 ),
XmlUtil::getDoubleAttr( node, "a3", 1.0 ),
XmlUtil::getDoubleAttr( node, "a4", 0.0 ),
XmlUtil::getDoubleAttr( node, "a5", 0.0 )};
}
ModelTextObject*
XmlLabelParser_3::parseObjectTextNode( const QDomElement &node )
{
/* position attrs */
const Distance x0 = XmlUtil::getLengthAttr( node, "x", 0.0 );
const Distance y0 = XmlUtil::getLengthAttr( node, "y", 0.0 );
/* size attrs */
const Distance w = XmlUtil::getLengthAttr( node, "w", 0 );
const Distance h = XmlUtil::getLengthAttr( node, "h", 0 );
/* justify attr */
const Qt::Alignment textHAlign = getHAlignmentAttr( node, "justify", Qt::AlignLeft );
/* valign attr */
const Qt::Alignment textVAlign = getVAlignmentAttr( node, "valign", Qt::AlignTop );
/* auto_shrink attr */
const bool textAutoShrink = XmlUtil::getBoolAttr( node, "auto_shrink", false );
/* affine attrs */
const auto affineTransformation = parseAffineTransformation(node);
/* shadow attrs */
const bool shadowState = XmlUtil::getBoolAttr( node, "shadow", false );
const Distance shadowX = XmlUtil::getLengthAttr( node, "shadow_x", 0.0 );
const Distance shadowY = XmlUtil::getLengthAttr( node, "shadow_y", 0.0 );
const double shadowOpacity = XmlUtil::getDoubleAttr( node, "shadow_opacity", 1.0 );
QString key = XmlUtil::getStringAttr( node, "shadow_color_field", "" );
bool field_flag = !key.isEmpty();
uint32_t color = XmlUtil::getUIntAttr( node, "shadow_color", 0 );
const ColorNode shadowColorNode( field_flag, color, key );
/* font attrs */
QString fontFamily = "Sans";
double fontSize = 10.;
QFont::Weight fontWeight = QFont::Normal;
bool fontItalicFlag = false;
/* text attrs */
double textLineSpacing = 1.;
QTextOption::WrapMode textWrapMode = QTextOption::WordWrap;
ColorNode textColorNode;
/* deserialize contents. */
QTextDocument document;
QTextCursor cursor( &document );
bool firstBlock = true;
for ( QDomNode child = node.firstChild(); !child.isNull(); child = child.nextSibling() )
{
const auto element = child.toElement();
if(element.isNull())
{
qCritical()<<"Can't convert the node to an element. Try to continue.";
continue;
}
if(element.tagName() == "Span")
{
QString text;
for(QDomNode textPartElement = element.firstChild()
; !textPartElement.isNull()
; textPartElement = textPartElement.nextSibling())
{
const QDomText textpart = textPartElement.toText();
if (!textpart.isNull())
{
text += textpart.data();
}
else
{
if(textPartElement.toElement().tagName() == "NL")
{
text += "\n";
}
else if (textPartElement.toElement().tagName() == "Field")
{
text += "${" + XmlUtil::getStringAttr( textPartElement.toElement(), "name", "" ) + "}";
}
}
}
if ( !firstBlock )
{
cursor.insertBlock();
}
firstBlock = false;
cursor.insertText( text );
/* font attrs */
fontFamily = XmlUtil::getStringAttr( element, "font_family", "Sans" );
fontSize = XmlUtil::getDoubleAttr( element, "font_size", 10 ) * FONT_SCALE_FACTOR;
fontWeight = getWeightAttr( element, "font_weight", QFont::Normal );
fontItalicFlag = XmlUtil::getBoolAttr( element, "font_italic", false );
/* color attr */
key = XmlUtil::getStringAttr( element, "color_field", "" );
field_flag = !key.isEmpty();
color = XmlUtil::getUIntAttr( element, "color", 0 );
textColorNode = ColorNode(field_flag, color, key );
/* text attrs */
textLineSpacing = XmlUtil::getDoubleAttr( element, "line_spacing", 1 );
textWrapMode = QTextOption::WordWrap;
}
else if ( !child.isComment() )
{
qWarning() << "Unexpected" << node.tagName() << "child:" << node.tagName();
}
}
const QString text = document.toPlainText();
auto textNode = new ModelTextObject( x0, y0, w, h, text,
fontFamily, fontSize, fontWeight, fontItalicFlag, false,
textColorNode, textHAlign, textVAlign, textWrapMode, textLineSpacing,
textAutoShrink,
affineTransformation,
shadowState, shadowX, shadowY, shadowOpacity, shadowColorNode );
// The size of the textnode does not fit the qt world. So it's needed to
// recalculate the size depending on the data.
textNode->setSize(textNode->naturalSize());
return textNode;
}
bool
XmlLabelParser_3::parseRotateAttr( const QDomElement &node )
{
return XmlUtil::getBoolAttr( node, "rotate", false );
}
void
XmlLabelParser_3::parseMergeNode( const QDomElement &node, Model* label )
{
const QString type = XmlUtil::getStringAttr( node, "type", "None" );
const QString src = XmlUtil::getStringAttr( node, "src", "" );
merge::Merge* merge = merge::Factory::createMerge( type );
merge->setSource( src );
label->setMerge( merge );
}
void
XmlLabelParser_3::parseDataNode( const QDomElement &node, DataCache& data )
{
for ( QDomNode child = node.firstChild(); !child.isNull(); child = child.nextSibling() )
{
const auto childElement = child.toElement();
if(childElement.isNull())
{
qCritical()<<"Can't convert the node to an element. Try to continue.";
continue;
}
const QString tagName = childElement.tagName();
if ( tagName == "File" )
{
parseFileNode( childElement, data );
}
else if (tagName == "Pixdata")
{
parsePixdataNode( childElement, data);
}
else if ( !child.isComment() )
{
qWarning() << "Unexpected" << node.tagName() << "child:" << tagName;
}
}
}
void
XmlLabelParser_3::parsePixdataNode( const QDomElement& node, DataCache& data )
{
const QString name = XmlUtil::getStringAttr( node, "name", "" );
const QString encoding = XmlUtil::getStringAttr( node, "encoding", "base64" );
/*
* Struct of the GdkPixdata from the header file
*/
struct _GdkPixdata
{
uint32_t magic; /* GDK_PIXBUF_MAGIC_NUMBER */
int32_t length; /* <1 to disable length checks, otherwise:
* GDK_PIXDATA_HEADER_LENGTH + pixel_data length*/
uint32_t pixdata_type; /* GdkPixdataType */
uint32_t rowstride;
uint32_t width;
uint32_t height;
//uint8_t *pixel_data;
} mypixdata{};
if ( encoding.toLower() == "base64" )
{
QByteArray ba = QByteArray::fromBase64( node.text().toUtf8() );
// Use the QDataStream to import the header cause it is in big endian
QDataStream ds(ba);
ds.setByteOrder(QDataStream::ByteOrder::BigEndian);
ds >> mypixdata.magic
>> mypixdata.length
>> mypixdata.pixdata_type
>> mypixdata.rowstride
>> mypixdata.width
>> mypixdata.height;
if(mypixdata.magic !=GDK_PIXBUF_MAGIC_NUMBER)
{
qCritical() << "GDK pixbuf magic is not correct. Abort reading of pixdata. "
<< "Node:" << node.tagName();
return;
}
// check if the data fits in a sigend int
if(mypixdata.width > INT32_MAX || mypixdata.height > INT32_MAX || mypixdata.rowstride > INT32_MAX)
{
qCritical() << "rowstride, width or height is to large. Abort reading of pixdata. "
<< "Node:" << node.tagName();;
return;
}
const auto width = static_cast<int32_t>(mypixdata.width);
const auto height = static_cast<int32_t>(mypixdata.height);
const auto rowstride = static_cast<int32_t>(mypixdata.rowstride);
QImage::Format pixformat;
int32_t rawpadding;
if((mypixdata.pixdata_type & GDK_PIXDATA_COLOR_TYPE_MASK) == GDK_PIXDATA_COLOR_TYPE_RGB)
{
pixformat = QImage::Format_RGB888;
rawpadding = rowstride - (3 * width);
}
else if((mypixdata.pixdata_type & GDK_PIXDATA_COLOR_TYPE_MASK) == GDK_PIXDATA_COLOR_TYPE_RGBA)
{
pixformat = QImage::Format_RGBA8888;
rawpadding = rowstride - (4 * width);
}
else
{
qCritical() << "pixdata color type is unknown. Abort reading of pixdata. "
<< "Node:" << node.tagName();
return;
}
if(rawpadding < 0){
qCritical() << "padding to is negativ. Abort reading of pixdata. "
<< "Node:" << node.tagName();
return;
}
QImage image(width, height, pixformat);
const auto padding = static_cast<int32_t>(rawpadding);
int x = 0;
int y = 0;
uint8_t r,g,b,a;
for(y = 0; y < height; y++)
{
for(x = 0; x < width; x++)
{
if(pixformat == QImage::Format_RGB888)
{
ds >> r >> g >> b;
image.setPixelColor(x, y, QColor(r, g, b));
}
else
{
ds >> r >> g >> b >> a;
image.setPixelColor(x, y, QColor(r, g, b, a));
}
}
ds.skipRawData(padding);
}
data.addImage( name, image );
}
else
{
qWarning() << "Unexpected encoding:" << encoding << "node:" << node.tagName();
}
}
void
XmlLabelParser_3::parseFileNode( const QDomElement& node, DataCache& data )
{
const QString name = XmlUtil::getStringAttr( node, "name", "" );
const QString format = XmlUtil::getStringAttr( node, "format", "invalid" );
if ( format == "SVG" )
{
data.addSvg( name, node.text().toUtf8() );
}
else
{
qCritical() << "Unknown embedded file format:" << format;
}
}
Qt::Alignment
XmlLabelParser_3::getHAlignmentAttr( const QDomElement& node, const QString& name,
const Qt::Alignment default_value )
{
const QString valueString = node.attribute( name, "" );
if ( !valueString.isEmpty())
{
if ( valueString == "Right" )
{
return Qt::AlignRight;
}
if ( valueString == "Center")
{
return Qt::AlignHCenter;
}
if ( valueString == "Left" )
{
return Qt::AlignLeft;
}
}
return default_value;
}
Qt::Alignment
XmlLabelParser_3::getVAlignmentAttr( const QDomElement& node, const QString& name,
const Qt::Alignment default_value )
{
const QString valueString = node.attribute( name, "" );
if ( ! valueString.isEmpty() )
{
if ( valueString == "Bottom" )
{
return Qt::AlignBottom;
}
if ( valueString == "Center" )
{
return Qt::AlignVCenter;
}
if ( valueString == "Top" )
{
return Qt::AlignTop;
}
}
return default_value;
}
QFont::Weight
XmlLabelParser_3::getWeightAttr( const QDomElement& node, const QString& name,
const QFont::Weight default_value )
{
const QString valueString = node.attribute( name, "" );
if ( !valueString.isEmpty() )
{
if ( valueString == "Bold" )
{
return QFont::Bold;
}
if ( valueString == "Regular" )
{
return QFont::Normal;
}
}
return default_value;
}
} // namespace model
} // namespace glabels
model/XmlLabelParser_3.h
+85
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@@ -0,0 +1,85 @@
/* XmlLabelParser_3.h
*
* Copyright (C) 2014-2016 Jim Evins <evins@snaught.com>
*
* This file is part of gLabels-qt.
*
* gLabels-qt 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.
*
* gLabels-qt 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 gLabels-qt. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef model_XmlLabelParser_3_h
#define model_XmlLabelParser_3_h
#include <QDomElement>
#include <QFont>
#include <QObject>
#include <QTextOption>
namespace glabels
{
namespace model
{
// Forward references
class Model;
class ModelObject;
class ModelBoxObject;
class ModelEllipseObject;
class ModelLineObject;
class ModelImageObject;
class ModelBarcodeObject;
class ModelTextObject;
class DataCache;
///
/// XmlLabelParser
///
class XmlLabelParser_3
{
public:
static Model* parseRootNode( const QDomElement &node );
private:
static QList<ModelObject*> parseObjectsNode( const QDomElement &node, const DataCache& data );
static ModelBoxObject* parseObjectBoxNode( const QDomElement &node );
static ModelEllipseObject* parseObjectEllipseNode( const QDomElement &node );
static ModelLineObject* parseObjectLineNode( const QDomElement &node );
static ModelImageObject* parseObjectImageNode( const QDomElement &node, const DataCache& data );
static ModelBarcodeObject* parseObjectBarcodeNode( const QDomElement &node );
static ModelTextObject* parseObjectTextNode( const QDomElement &node );
static bool parseRotateAttr( const QDomElement &node );
static void parseMergeNode( const QDomElement &node, Model* label );
static void parseDataNode( const QDomElement &node, DataCache& data );
static void parsePixdataNode( const QDomElement &node, DataCache& data );
static void parseFileNode( const QDomElement &node, DataCache& data );
static Qt::Alignment getHAlignmentAttr( const QDomElement& node,
const QString& name, const Qt::Alignment default_value );
static Qt::Alignment getVAlignmentAttr( const QDomElement& node,
const QString& name, const Qt::Alignment default_value );
static QFont::Weight getWeightAttr( const QDomElement& node,
const QString& name, const QFont::Weight default_value );
static QMatrix parseAffineTransformation(const QDomElement &node);
};
} // namespace model
} // namespace glabels
#endif // model_XmlLabelParser_3_h