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newspark110/lib/engine/rs_text.h
Chenwenxuan edac2715f0 init
2024-03-06 14:54:30 +08:00

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7.5 KiB
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/****************************************************************************
**
** This file is part of the LibreCAD project, a 2D CAD program
**
** Copyright (C) 2010 R. van Twisk (librecad@rvt.dds.nl)
** Copyright (C) 2001-2003 RibbonSoft. All rights reserved.
**
**
** This file may be distributed and/or modified under the terms of the
** GNU General Public License version 2 as published by the Free Software
** Foundation and appearing in the file gpl-2.0.txt included in the
** packaging of this file.
**
** 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, write to the Free Software
** Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
**
** This copyright notice MUST APPEAR in all copies of the script!
**
**********************************************************************/
#ifndef RS_TEXT_H
#define RS_TEXT_H
#include "rs_entitycontainer.h"
/**
* Holds the data that defines a text entity.
*/
struct RS_TextData {
/**
* Vertical alignments.
*/
enum VAlign {
VABaseline, /**< Bottom */
VABottom, /**< Bottom */
VAMiddle, /**< Middle */
VATop /**< Top. */
};
/**
* Horizontal alignments.
*/
enum HAlign {
HALeft, /**< Left */
HACenter, /**< Centered */
HARight, /**< Right */
HAAligned, /**< Aligned */
HAMiddle, /**< Middle */
HAFit /**< Fit */
};
/**
* Text drawing direction.
*/
enum TextGeneration {
None, /**< Normal text */
Backward, /**< Mirrored in X */
UpsideDown /**< Mirrored in Y */
};
/**
* Default constructor. Leaves the data object uninitialized.
*/
RS_TextData() = default;
/**
* Constructor with initialisation.
*
* @param insertionPoint Insertion point
* @param secondPoint Second point for aligned-fit
* @param height Nominal (initial) text height
* @param widthRel Reference rectangle width
* @param valign Vertical alignment
* @param halign Horizontal alignment
* @param textGeneration Text Generation
* @param text Text string
* @param style Text style name
* @param angle Rotation angle
* @param updateMode RS2::Update will update the text entity instantly
* RS2::NoUpdate will not update the entity. You can update
* it later manually using the update() method. This is
* often the case since you might want to adjust attributes
* after creating a text entity.
*/
RS_TextData(const RS_Vector& insertionPoint,
const RS_Vector& secondPoint,
double height,
double widthRel,
VAlign valign,
HAlign halign,
TextGeneration textGeneration,
const QString& text,
const QString& style,
double angle,
RS2::UpdateMode updateMode = RS2::Update);
/** Insertion point */
RS_Vector insertionPoint;
/** Second point for fit or aligned*/
RS_Vector secondPoint;
/** Nominal (initial) text height */
double height;
/** Width/Height relation */
double widthRel;
/** Vertical alignment */
VAlign valign;
/** Horizontal alignment */
HAlign halign;
/** Text Generation */
TextGeneration textGeneration;
/** Text string */
QString text;
/** Text style name */
QString style;
/** Rotation angle */
double angle;
/** Update mode */
RS2::UpdateMode updateMode;
};
std::ostream& operator << (std::ostream& os, const RS_TextData& td);
/**
* Class for a text entity.
* Please note that text strings can contain special
* characters such as %%c for a diameter sign as well as unicode
* characters. Line feeds are stored as real line feeds in the string.
*
* @author Andrew Mustun
*/
class RS_Text : public RS_EntityContainer {
public:
RS_Text(RS_EntityContainer* parent,
const RS_TextData& d);
virtual ~RS_Text() = default;
virtual RS_Entity* clone() const override;
/** @return RS2::EntityText */
virtual RS2::EntityType rtti() const override{
return RS2::EntityText;
}
/** @return Copy of data that defines the text. */
RS_TextData getData() const {
return data;
}
void update() override;
int getNumberOfLines();
RS_Vector getInsertionPoint() {
return data.insertionPoint;
}
RS_Vector getSecondPoint() {
return data.secondPoint;
}
double getHeight() {
return data.height;
}
void setHeight(double h) {
data.height = h;
}
double getWidthRel() {
return data.widthRel;
}
void setWidthRel(double w) {
data.widthRel = w;
}
//RLZ: bad functions, this is MText style align
void setAlignment(int a);
int getAlignment();
RS_TextData::VAlign getVAlign() {
return data.valign;
}
void setVAlign(RS_TextData::VAlign va) {
data.valign = va;
}
RS_TextData::HAlign getHAlign() {
return data.halign;
}
void setHAlign(RS_TextData::HAlign ha) {
data.halign = ha;
}
RS_TextData::TextGeneration getTextGeneration() {
return data.textGeneration;
}
void setText(const QString& t);
QString getText() {
return data.text;
}
void setStyle(const QString& s) {
data.style = s;
}
QString getStyle() {
return data.style;
}
void setAngle(double a) {
data.angle = a;
}
double getAngle() {
return data.angle;
}
double getUsedTextWidth() {
return usedTextWidth;
}
double getUsedTextHeight() {
return usedTextHeight;
}
// virtual double getLength() const {
// return -1.0;
// }
/**
* @return The insertion point as endpoint.
*/
virtual RS_Vector getNearestEndpoint(const RS_Vector& coord,
double* dist = NULL)const override;
virtual RS_VectorSolutions getRefPoints() const override;
virtual void move(const RS_Vector& offset) override;
virtual void rotate(const RS_Vector& center, const double& angle) override;
virtual void rotate(const RS_Vector& center, const RS_Vector& angleVector) override;
virtual void scale(const RS_Vector& center, const RS_Vector& factor) override;
virtual void mirror(const RS_Vector& axisPoint1, const RS_Vector& axisPoint2) override;
virtual bool hasEndpointsWithinWindow(const RS_Vector& v1, const RS_Vector& v2) override;
virtual void stretch(const RS_Vector& firstCorner,
const RS_Vector& secondCorner,
const RS_Vector& offset) override;
friend std::ostream& operator << (std::ostream& os, const RS_Text& p);
void draw(RS_Painter* painter, RS_GraphicView* view, double& patternOffset) override;
protected:
RS_TextData data;
/**
* Text width used by the current contents of this text entity.
* This property is updated by the update method.
* @see update
*/
double usedTextWidth;
/**
* Text height used by the current contents of this text entity.
* This property is updated by the update method.
* @see update
*/
double usedTextHeight;
};
#endif