277 lines
7.6 KiB
C++
277 lines
7.6 KiB
C++
/****************************************************************************
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**
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** This file is part of the LibreCAD project, a 2D CAD program
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**
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** Copyright (C) 2010 R. van Twisk (librecad@rvt.dds.nl)
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** Copyright (C) 2001-2003 RibbonSoft. All rights reserved.
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**
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**
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** This file may be distributed and/or modified under the terms of the
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** GNU General Public License version 2 as published by the Free Software
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** Foundation and appearing in the file gpl-2.0.txt included in the
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** packaging of this file.
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**
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** This program 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 this program; if not, write to the Free Software
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** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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**
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** This copyright notice MUST APPEAR in all copies of the script!
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**
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**********************************************************************/
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#ifndef RS_MTEXT_H
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#define RS_MTEXT_H
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#include "rs_entitycontainer.h"
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/**
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* Holds the data that defines a text entity.
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*/
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struct RS_MTextData {
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/**
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* Vertical alignments.
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*/
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enum VAlign {
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VATop, /**< Top. */
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VAMiddle, /**< Middle */
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VABottom /**< Bottom */
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};
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/**
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* Horizontal alignments.
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*/
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enum HAlign {
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HALeft, /**< Left */
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HACenter, /**< Centered */
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HARight /**< Right */
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};
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/**
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* MText drawing direction.
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*/
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enum MTextDrawingDirection {
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LeftToRight, /**< Left to right */
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TopToBottom, /**< Top to bottom */
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ByStyle /**< Inherited from associated text style */
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};
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/**
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* Line spacing style for MTexts.
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*/
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enum MTextLineSpacingStyle {
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AtLeast, /**< Taller characters will override */
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Exact /**< Taller characters will not override */
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};
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/**
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* Default constructor. Leaves the data object uninitialized.
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*/
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RS_MTextData() = default;
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/**
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* Constructor with initialisation.
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*
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* @param insertionPoint Insertion point
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* @param height Nominal (initial) text height
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* @param width Reference rectangle width
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* @param valign Vertical alignment
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* @param halign Horizontal alignment
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* @param drawingDirection Drawing direction
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* @param lineSpacingStyle Line spacing style
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* @param lineSpacingFactor Line spacing factor
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* @param text Text string
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* @param style Text style name
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* @param angle Rotation angle
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* @param updateMode RS2::Update will update the text entity instantly
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* RS2::NoUpdate will not update the entity. You can update
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* it later manually using the update() method. This is
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* often the case since you might want to adjust attributes
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* after creating a text entity.
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*/
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RS_MTextData(const RS_Vector& insertionPoint,
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double height,
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double width,
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VAlign valign,
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HAlign halign,
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MTextDrawingDirection drawingDirection,
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MTextLineSpacingStyle lineSpacingStyle,
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double lineSpacingFactor,
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const QString& text,
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const QString& style,
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double angle,
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RS2::UpdateMode updateMode = RS2::Update);
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/** Insertion point */
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RS_Vector insertionPoint;
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/** Nominal (initial) text height */
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double height;
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/** Reference rectangle width */
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double width;
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/** Vertical alignment */
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VAlign valign;
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/** Horizontal alignment */
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HAlign halign;
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/** Drawing direction */
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MTextDrawingDirection drawingDirection;
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/** Line spacing style */
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MTextLineSpacingStyle lineSpacingStyle;
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/** Line spacing factor */
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double lineSpacingFactor;
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/** Text string */
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QString text;
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/** Text style name */
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QString style;
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/** Rotation angle */
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double angle;
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/** Update mode */
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RS2::UpdateMode updateMode;
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};
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std::ostream& operator << (std::ostream& os, const RS_MTextData& td);
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/**
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* Class for a text entity.
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* Please note that text strings can contain special
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* characters such as %%c for a diameter sign as well as unicode
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* characters. Line feeds are stored as real line feeds in the string.
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*
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* @author Andrew Mustun
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*/
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class RS_MText : public RS_EntityContainer {
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public:
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RS_MText(RS_EntityContainer* parent,
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const RS_MTextData& d);
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virtual ~RS_MText() = default;
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virtual RS_Entity* clone() const override;
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/** @return RS2::EntityText */
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virtual RS2::EntityType rtti() const override{
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return RS2::EntityMText;
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}
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/** @return Copy of data that defines the text. */
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RS_MTextData getData() const {
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return data;
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}
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void update() override;
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int getNumberOfLines();
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RS_Vector getInsertionPoint() {
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return data.insertionPoint;
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}
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double getHeight() {
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return data.height;
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}
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void setHeight(double h) {
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data.height = h;
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}
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double getWidth() {
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return data.width;
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}
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void setAlignment(int a);
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int getAlignment();
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RS_MTextData::VAlign getVAlign() {
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return data.valign;
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}
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void setVAlign(RS_MTextData::VAlign va) {
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data.valign = va;
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}
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RS_MTextData::HAlign getHAlign() {
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return data.halign;
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}
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void setHAlign(RS_MTextData::HAlign ha) {
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data.halign = ha;
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}
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RS_MTextData::MTextDrawingDirection getDrawingDirection() {
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return data.drawingDirection;
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}
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RS_MTextData::MTextLineSpacingStyle getLineSpacingStyle() {
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return data.lineSpacingStyle;
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}
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void setLineSpacingFactor(double f) {
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data.lineSpacingFactor = f;
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}
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double getLineSpacingFactor() {
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return data.lineSpacingFactor;
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}
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void setText(const QString& t);
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QString getText() {
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return data.text;
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}
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void setStyle(const QString& s) {
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data.style = s;
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}
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QString getStyle() {
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return data.style;
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}
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void setAngle(double a) {
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data.angle = a;
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}
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double getAngle() {
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return data.angle;
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}
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double getUsedTextWidth() {
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return usedTextWidth;
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}
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double getUsedTextHeight() {
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return usedTextHeight;
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}
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// virtual double getLength() const {
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// return -1.0;
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// }
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/**
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* @return The insertion point as endpoint.
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*/
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virtual RS_Vector getNearestEndpoint(const RS_Vector& coord,
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double* dist = NULL)const override;
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virtual RS_VectorSolutions getRefPoints() const override;
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virtual void move(const RS_Vector& offset) override;
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virtual void rotate(const RS_Vector& center, const double& angle) override;
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virtual void rotate(const RS_Vector& center, const RS_Vector& angleVector) override;
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virtual void scale(const RS_Vector& center, const RS_Vector& factor) override;
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virtual void mirror(const RS_Vector& axisPoint1, const RS_Vector& axisPoint2) override;
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virtual bool hasEndpointsWithinWindow(const RS_Vector& v1, const RS_Vector& v2) override;
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virtual void stretch(const RS_Vector& firstCorner,
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const RS_Vector& secondCorner,
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const RS_Vector& offset) override;
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friend std::ostream& operator << (std::ostream& os, const RS_Text& p);
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void draw(RS_Painter* painter, RS_GraphicView* view, double& patternOffset) override;
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private:
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double updateAddLine(RS_EntityContainer* textLine, int lineCounter);
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protected:
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RS_MTextData data;
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/**
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* Text width used by the current contents of this text entity.
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* This property is updated by the update method.
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* @see update
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*/
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double usedTextWidth;
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/**
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* Text height used by the current contents of this text entity.
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* This property is updated by the update method.
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* @see update
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*/
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double usedTextHeight;
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};
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#endif
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