Restructuring directory layout. Move towards "Modern CMake" usage.
This commit is contained in:
Jim Evins
@@ -0,0 +1,720 @@
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/* ModelTextObject.cpp
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*
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* Copyright (C) 2013-2016 Jim Evins <evins@snaught.com>
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*
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* This file is part of gLabels-qt.
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*
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* gLabels-qt is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* gLabels-qt is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with gLabels-qt. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "ModelTextObject.h"
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#include "Size.h"
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#include <QBrush>
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#include <QPen>
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#include <QTextDocument>
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#include <QTextBlock>
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#include <QRegularExpression>
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#include <QtDebug>
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namespace glabels::model
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{
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//
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// Private
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//
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namespace
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{
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const double marginPts = 3;
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}
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///
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/// Constructor
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///
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ModelTextObject::ModelTextObject()
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{
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mOutline = new Outline( this );
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mHandles << new HandleNorthWest( this );
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mHandles << new HandleNorth( this );
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mHandles << new HandleNorthEast( this );
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mHandles << new HandleEast( this );
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mHandles << new HandleSouthEast( this );
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mHandles << new HandleSouth( this );
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mHandles << new HandleSouthWest( this );
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mHandles << new HandleWest( this );
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mText = "";
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mFontFamily = "Sans";
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mFontSize = 10;
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mFontWeight = QFont::Normal;
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mFontItalicFlag = false;
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mFontUnderlineFlag = false;
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mTextColorNode = ColorNode( QColor( 0, 0, 0 ) );
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mTextHAlign = Qt::AlignLeft;
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mTextVAlign = Qt::AlignTop;
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mTextLineSpacing = 1;
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}
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///
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/// Constructor
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///
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ModelTextObject::ModelTextObject( const Distance& x0,
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const Distance& y0,
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const Distance& w,
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const Distance& h,
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const QString& text,
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const QString& fontFamily,
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double fontSize,
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QFont::Weight fontWeight,
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bool fontItalicFlag,
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bool fontUnderlineFlag,
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ColorNode textColorNode,
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Qt::Alignment textHAlign,
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Qt::Alignment textVAlign,
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double textLineSpacing,
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const QMatrix& matrix,
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bool shadowState,
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const Distance& shadowX,
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const Distance& shadowY,
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double shadowOpacity,
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const ColorNode& shadowColorNode )
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: ModelObject( x0, y0, w, h,
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matrix,
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shadowState, shadowX, shadowY, shadowOpacity, shadowColorNode )
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{
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mOutline = new Outline( this );
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mHandles << new HandleNorthWest( this );
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mHandles << new HandleNorth( this );
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mHandles << new HandleNorthEast( this );
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mHandles << new HandleEast( this );
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mHandles << new HandleSouthEast( this );
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mHandles << new HandleSouth( this );
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mHandles << new HandleSouthWest( this );
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mHandles << new HandleWest( this );
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mText = text;
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mFontFamily = fontFamily;
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mFontSize = fontSize;
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mFontWeight = fontWeight;
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mFontItalicFlag = fontItalicFlag;
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mFontUnderlineFlag = fontUnderlineFlag;
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mTextColorNode = textColorNode;
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mTextHAlign = textHAlign;
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mTextVAlign = textVAlign;
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mTextLineSpacing = textLineSpacing;
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update(); // Initialize cached editor layouts
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}
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///
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/// Copy constructor
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///
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ModelTextObject::ModelTextObject( const ModelTextObject* object )
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: ModelObject(object)
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{
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mText = object->mText;
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mFontFamily = object->mFontFamily;
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mFontSize = object->mFontSize;
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mFontWeight = object->mFontWeight;
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mFontItalicFlag = object->mFontItalicFlag;
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mFontUnderlineFlag = object->mFontUnderlineFlag;
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mTextColorNode = object->mTextColorNode;
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mTextHAlign = object->mTextHAlign;
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mTextVAlign = object->mTextVAlign;
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mTextLineSpacing = object->mTextLineSpacing;
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update(); // Initialize cached editor layouts
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}
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///
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/// Destructor
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///
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ModelTextObject::~ModelTextObject()
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{
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delete mOutline;
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foreach( Handle* handle, mHandles )
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{
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delete handle;
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}
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mHandles.clear();
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}
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///
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/// Clone
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///
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ModelTextObject* ModelTextObject::clone() const
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{
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return new ModelTextObject( this );
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}
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///
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/// Text Property Getter
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///
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QString ModelTextObject::text() const
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{
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return mText.toString();
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}
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///
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/// Text Property Setter
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///
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void ModelTextObject::setText( const QString& value )
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{
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if ( mText.toString() != value )
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{
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mText = value;
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update();
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emit changed();
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}
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}
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///
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/// FontFamily Property Getter
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///
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QString ModelTextObject::fontFamily() const
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{
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return mFontFamily;
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}
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///
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/// FontFamily Property Setter
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///
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void ModelTextObject::setFontFamily( const QString& value )
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{
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if ( mFontFamily != value )
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{
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mFontFamily = value;
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update();
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emit changed();
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}
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}
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///
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/// FontSize Property Getter
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///
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double ModelTextObject::fontSize() const
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{
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return mFontSize;
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}
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///
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/// FontSize Property Setter
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///
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void ModelTextObject::setFontSize( double value )
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{
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if ( mFontSize != value )
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{
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mFontSize = value;
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update();
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emit changed();
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}
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}
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///
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/// FontWeight Property Getter
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///
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QFont::Weight ModelTextObject::fontWeight() const
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{
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return mFontWeight;
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}
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///
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/// FontWeight Property Setter
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///
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void ModelTextObject::setFontWeight( QFont::Weight value )
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{
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if ( mFontWeight != value )
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{
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mFontWeight = value;
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update();
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emit changed();
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}
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}
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///
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/// FontItalicFlag Property Getter
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///
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bool ModelTextObject::fontItalicFlag() const
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{
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return mFontItalicFlag;
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}
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///
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/// FontItalicFlag Property Setter
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///
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void ModelTextObject::setFontItalicFlag( bool value )
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{
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if ( mFontItalicFlag != value )
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{
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mFontItalicFlag = value;
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update();
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emit changed();
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}
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}
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///
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/// FontUnderlineFlag Property Getter
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///
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bool ModelTextObject::fontUnderlineFlag() const
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{
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return mFontUnderlineFlag;
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}
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///
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/// FontUnderlineFlag Property Setter
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///
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void ModelTextObject::setFontUnderlineFlag( bool value )
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{
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if ( mFontUnderlineFlag != value )
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{
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mFontUnderlineFlag = value;
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update();
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emit changed();
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}
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}
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///
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/// Text Color Node Property Getter
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///
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ColorNode ModelTextObject::textColorNode() const
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{
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return mTextColorNode;
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}
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///
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/// Text Color Node Property Setter
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///
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void ModelTextObject::setTextColorNode( const ColorNode& value )
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{
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if ( mTextColorNode != value )
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{
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mTextColorNode = value;
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update();
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emit changed();
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}
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}
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///
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/// TextHAlign Property Getter
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///
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Qt::Alignment ModelTextObject::textHAlign() const
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{
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return mTextHAlign;
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}
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///
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/// TextHAlign Property Setter
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///
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void ModelTextObject::setTextHAlign( Qt::Alignment value )
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{
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if ( mTextHAlign != value )
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{
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mTextHAlign = value;
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update();
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emit changed();
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}
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}
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///
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/// TextVAlign Property Getter
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///
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Qt::Alignment ModelTextObject::textVAlign() const
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{
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return mTextVAlign;
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}
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///
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/// TextVAlign Property Setter
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///
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void ModelTextObject::setTextVAlign( Qt::Alignment value )
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{
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if ( mTextVAlign != value )
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{
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mTextVAlign = value;
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update();
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emit changed();
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}
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}
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///
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/// TextLineSpacing Property Getter
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///
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double ModelTextObject::textLineSpacing() const
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{
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return mTextLineSpacing;
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}
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///
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/// TextLineSpacing Property Setter
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///
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void ModelTextObject::setTextLineSpacing( double value )
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{
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if ( mTextLineSpacing != value )
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{
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mTextLineSpacing = value;
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update();
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emit changed();
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}
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}
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///
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/// NaturalSize Property Getter
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///
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Size ModelTextObject::naturalSize() const
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{
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QFont font;
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font.setFamily( mFontFamily );
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font.setPointSizeF( mFontSize );
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font.setWeight( mFontWeight );
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font.setItalic( mFontItalicFlag );
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font.setUnderline( mFontUnderlineFlag );
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QTextOption textOption;
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textOption.setAlignment( mTextHAlign );
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textOption.setWrapMode( QTextOption::WordWrap );
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QFontMetricsF fontMetrics( font );
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double dy = fontMetrics.lineSpacing() * mTextLineSpacing;
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QString displayText = mText.isEmpty() ? tr("Text") : mText.toString();
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QTextDocument document( displayText );
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// Do layouts
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double x = 0;
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double y = 0;
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QRectF boundingRect;
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for ( int i = 0; i < document.blockCount(); i++ )
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{
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QTextLayout* layout = new QTextLayout( document.findBlockByNumber(i).text() );
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layout->setFont( font );
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layout->setTextOption( textOption );
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layout->setCacheEnabled(true);
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layout->beginLayout();
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for ( QTextLine l = layout->createLine(); l.isValid(); l = layout->createLine() )
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{
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l.setPosition( QPointF( x, y ) );
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y += dy;
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}
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layout->endLayout();
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boundingRect = layout->boundingRect().united( boundingRect );
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}
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return Size( boundingRect.width() + 2*marginPts, boundingRect.height() + 2*marginPts );
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}
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///
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/// Can Text Capability Implementation
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///
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bool ModelTextObject::canText()
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{
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return true;
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}
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///
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/// Draw shadow of object
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///
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void ModelTextObject::drawShadow( QPainter* painter,
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bool inEditor,
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merge::Record* record ) const
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{
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QColor textColor = mTextColorNode.color( record );
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if ( textColor.alpha() )
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{
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QColor shadowColor = mShadowColorNode.color( record );
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shadowColor.setAlphaF( mShadowOpacity );
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if ( inEditor )
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{
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drawTextInEditor( painter, shadowColor );
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}
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else
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{
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drawText( painter, shadowColor, record );
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}
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}
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}
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///
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/// Draw object itself
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///
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void ModelTextObject::drawObject( QPainter* painter,
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bool inEditor,
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merge::Record* record ) const
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{
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QColor textColor = mTextColorNode.color( record );
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if ( inEditor )
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{
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drawTextInEditor( painter, textColor );
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}
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else
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{
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drawText( painter, textColor, record );
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}
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}
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///
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/// Path to test for hover condition
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///
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QPainterPath ModelTextObject::hoverPath( double scale ) const
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{
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return mHoverPath;
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}
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///
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/// Size updated
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///
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void ModelTextObject::sizeUpdated()
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{
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update();
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}
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///
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/// Update cached information for editor view
|
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///
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void ModelTextObject::update()
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{
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QFont font;
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font.setFamily( mFontFamily );
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font.setPointSizeF( mFontSize );
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font.setWeight( mFontWeight );
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font.setItalic( mFontItalicFlag );
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font.setUnderline( mFontUnderlineFlag );
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QTextOption textOption;
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textOption.setAlignment( mTextHAlign );
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textOption.setWrapMode( QTextOption::WordWrap );
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QFontMetricsF fontMetrics( font );
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double dy = fontMetrics.lineSpacing() * mTextLineSpacing;
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||||
|
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QString displayText = mText.isEmpty() ? tr("Text") : mText.toString();
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QTextDocument document( displayText );
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qDeleteAll( mEditorLayouts );
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mEditorLayouts.clear();
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||||
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// Pass #1 -- do initial layouts
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||||
double x = 0;
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||||
double y = 0;
|
||||
QRectF boundingRect;
|
||||
for ( int i = 0; i < document.blockCount(); i++ )
|
||||
{
|
||||
QTextLayout* layout = new QTextLayout( document.findBlockByNumber(i).text() );
|
||||
|
||||
layout->setFont( font );
|
||||
layout->setTextOption( textOption );
|
||||
layout->setCacheEnabled(true);
|
||||
|
||||
layout->beginLayout();
|
||||
for ( QTextLine l = layout->createLine(); l.isValid(); l = layout->createLine() )
|
||||
{
|
||||
l.setLineWidth( mW.pt() - 2*marginPts );
|
||||
l.setPosition( QPointF( x, y ) );
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||||
y += dy;
|
||||
}
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||||
layout->endLayout();
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||||
|
||||
mEditorLayouts.append( layout );
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||||
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||||
boundingRect = layout->boundingRect().united( boundingRect );
|
||||
}
|
||||
double h = boundingRect.height();
|
||||
|
||||
|
||||
// Pass #2 -- adjust layout positions for vertical alignment and create hover path
|
||||
x = marginPts;
|
||||
switch ( mTextVAlign )
|
||||
{
|
||||
case Qt::AlignVCenter:
|
||||
y = mH.pt()/2 - h/2;
|
||||
break;
|
||||
case Qt::AlignBottom:
|
||||
y = mH.pt() - h - marginPts;
|
||||
break;
|
||||
default:
|
||||
y = marginPts;
|
||||
break;
|
||||
}
|
||||
QPainterPath hoverPath; // new empty hover path
|
||||
foreach ( QTextLayout* layout, mEditorLayouts )
|
||||
{
|
||||
for ( int j = 0; j < layout->lineCount(); j++ )
|
||||
{
|
||||
QTextLine l = layout->lineAt(j);
|
||||
l.setPosition( QPointF( x, y ) );
|
||||
y += dy;
|
||||
|
||||
hoverPath.addRect( l.naturalTextRect() ); // add to new hover path
|
||||
}
|
||||
}
|
||||
|
||||
mHoverPath = hoverPath; // save new hover path
|
||||
}
|
||||
|
||||
|
||||
///
|
||||
/// Draw text in editor from cached information
|
||||
///
|
||||
void ModelTextObject::drawTextInEditor( QPainter* painter, const QColor& color ) const
|
||||
{
|
||||
if ( mText.isEmpty() )
|
||||
{
|
||||
QColor mutedColor = color;
|
||||
mutedColor.setAlphaF( 0.5 * color.alphaF() );
|
||||
painter->setPen( QPen( mutedColor ) );
|
||||
}
|
||||
else
|
||||
{
|
||||
painter->setPen( QPen( color ) );
|
||||
}
|
||||
|
||||
foreach ( QTextLayout* layout, mEditorLayouts )
|
||||
{
|
||||
layout->draw( painter, QPointF( 0, 0 ) );
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
///
|
||||
/// Draw text in final printout or preview
|
||||
///
|
||||
void
|
||||
ModelTextObject::drawText( QPainter* painter,
|
||||
const QColor& color,
|
||||
merge::Record* record ) const
|
||||
{
|
||||
QFont font;
|
||||
font.setFamily( mFontFamily );
|
||||
font.setPointSizeF( mFontSize );
|
||||
font.setWeight( mFontWeight );
|
||||
font.setItalic( mFontItalicFlag );
|
||||
font.setUnderline( mFontUnderlineFlag );
|
||||
|
||||
QTextOption textOption;
|
||||
textOption.setAlignment( mTextHAlign );
|
||||
textOption.setWrapMode( QTextOption::WordWrap );
|
||||
|
||||
QFontMetricsF fontMetrics( font );
|
||||
double dy = fontMetrics.lineSpacing() * mTextLineSpacing;
|
||||
|
||||
QTextDocument document( mText.expand( record ) );
|
||||
|
||||
QList<QTextLayout*> layouts;
|
||||
|
||||
// Pass #1 -- do initial layouts
|
||||
double x = 0;
|
||||
double y = 0;
|
||||
QRectF boundingRect;
|
||||
for ( int i = 0; i < document.blockCount(); i++ )
|
||||
{
|
||||
QTextLayout* layout = new QTextLayout( document.findBlockByNumber(i).text() );
|
||||
|
||||
layout->setFont( font );
|
||||
layout->setTextOption( textOption );
|
||||
layout->setCacheEnabled(true);
|
||||
|
||||
layout->beginLayout();
|
||||
for ( QTextLine l = layout->createLine(); l.isValid(); l = layout->createLine() )
|
||||
{
|
||||
l.setLineWidth( mW.pt() - 2*marginPts );
|
||||
l.setPosition( QPointF( x, y ) );
|
||||
y += dy;
|
||||
}
|
||||
layout->endLayout();
|
||||
|
||||
layouts.append( layout );
|
||||
|
||||
boundingRect = layout->boundingRect().united( boundingRect );
|
||||
}
|
||||
double h = boundingRect.height();
|
||||
|
||||
|
||||
// Pass #2 -- adjust layout positions for vertical alignment and create hover path
|
||||
x = marginPts;
|
||||
switch ( mTextVAlign )
|
||||
{
|
||||
case Qt::AlignVCenter:
|
||||
y = mH.pt()/2 - h/2;
|
||||
break;
|
||||
case Qt::AlignBottom:
|
||||
y = mH.pt() - h - marginPts;
|
||||
break;
|
||||
default:
|
||||
y = marginPts;
|
||||
break;
|
||||
}
|
||||
foreach ( QTextLayout* layout, layouts )
|
||||
{
|
||||
for ( int j = 0; j < layout->lineCount(); j++ )
|
||||
{
|
||||
QTextLine l = layout->lineAt(j);
|
||||
l.setPosition( QPointF( x, y ) );
|
||||
y += dy;
|
||||
}
|
||||
}
|
||||
|
||||
// Draw layouts
|
||||
painter->setPen( QPen( color ) );
|
||||
foreach ( QTextLayout* layout, layouts )
|
||||
{
|
||||
layout->draw( painter, QPointF( 0, 0 ) );
|
||||
}
|
||||
|
||||
// Cleanup
|
||||
qDeleteAll( layouts );
|
||||
}
|
||||
|
||||
} // namespace glabels::model
|
||||
Reference in New Issue
Block a user