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valentina/src/libs/vwidgets/vtextgraphicsitem.cpp
Roman Telezhynskyi 9fa969cbb1 Guard font size to prevent a warning show.
2023-08-26 09:51:55 +03:00

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/************************************************************************
**
** @file vtextgraphicsitem.cpp
** @author Bojan Kverh
** @date June 16, 2016
**
** @brief
** @copyright
** This source code is part of the Valentina project, a pattern making
** program, whose allow create and modeling patterns of clothing.
** Copyright (C) 2013-2015 Valentina project
** <https://gitlab.com/smart-pattern/valentina> All Rights Reserved.
**
** Valentina 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.
**
** Valentina 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 Valentina. If not, see <http://www.gnu.org/licenses/>.
**
*************************************************************************/
#include <QColor>
#include <QDebug>
#include <QFlags>
#include <QFont>
#include <QGraphicsItem>
#include <QGraphicsSceneHoverEvent>
#include <QGraphicsSceneMouseEvent>
#include <QPainter>
#include <QPen>
#include <QPoint>
#include <QStyleOptionGraphicsItem>
#include <QtMath>
#include <array>
#include "../ifc/exception/vexception.h"
#include "../vformat/vsinglelineoutlinechar.h"
#include "../vmisc/compatibility.h"
#include "../vmisc/def.h"
#include "../vmisc/literals.h"
#include "../vmisc/svgfont/svgdef.h"
#include "../vmisc/svgfont/vsvgfont.h"
#include "../vmisc/svgfont/vsvgfontdatabase.h"
#include "../vmisc/vabstractvalapplication.h"
#include "theme/vscenestylesheet.h"
#include "vtextgraphicsitem.h"
namespace
{
constexpr qreal resizeSquare = MmToPixel(3.);
constexpr qreal rotateCircle = MmToPixel(2.);
constexpr int rotateRect = 60;
constexpr int rotateArc = 50;
constexpr qreal minW = MmToPixel(4.) + resizeSquare;
constexpr qreal minH = MmToPixel(4.) + resizeSquare;
constexpr int activeZ = 10;
//---------------------------------------------------------------------------------------------------------------------
/**
* @brief GetBoundingRect calculates the bounding box around rectBB rectangle, rotated around its center by dRot degrees
* @param rectBB rectangle of interest
* @param dRot rectangle rotation
* @return bounding box around rectBB rotated by dRot
*/
auto GetBoundingRect(const QRectF &rectBB, qreal dRot) -> QRectF
{
std::array<QPointF, 4> apt = {rectBB.topLeft(), rectBB.topRight(), rectBB.bottomLeft(), rectBB.bottomRight()};
QPointF ptCenter = rectBB.center();
qreal dX1 = 0;
qreal dX2 = 0;
qreal dY1 = 0;
qreal dY2 = 0;
double dAng = qDegreesToRadians(dRot);
for (std::size_t i = 0; i < 4; ++i)
{
QPointF pt = apt.at(i) - ptCenter;
qreal dX = pt.x() * cos(dAng) + pt.y() * sin(dAng);
qreal dY = -pt.x() * sin(dAng) + pt.y() * cos(dAng);
if (i == 0)
{
dX1 = dX2 = dX;
dY1 = dY2 = dY;
}
else
{
if (dX < dX1)
{
dX1 = dX;
}
else if (dX > dX2)
{
dX2 = dX;
}
if (dY < dY1)
{
dY1 = dY;
}
else if (dY > dY2)
{
dY2 = dY;
}
}
}
QRectF rect;
rect.setTopLeft(ptCenter + QPointF(dX1, dY1));
rect.setWidth(dX2 - dX1);
rect.setHeight(dY2 - dY1);
return rect;
}
} // namespace
//---------------------------------------------------------------------------------------------------------------------
/**
* @brief VTextGraphicsItem::VTextGraphicsItem constructor
* @param pParent pointer to the parent item
*/
VTextGraphicsItem::VTextGraphicsItem(ItemType type, QGraphicsItem *pParent)
: VPieceItem(pParent),
m_itemType(type)
{
m_inactiveZ = 2;
SetSize(minW, minH);
setZValue(m_inactiveZ);
}
//---------------------------------------------------------------------------------------------------------------------
/**
* @brief VTextGraphicsItem::SetFont sets the item font
* @param fnt font to be used in item
*/
void VTextGraphicsItem::SetFont(const QFont &fnt)
{
m_tm.SetFont(fnt);
}
//---------------------------------------------------------------------------------------------------------------------
void VTextGraphicsItem::SetSVGFontFamily(const QString &fntFamily)
{
m_tm.SetSVGFontFamily(fntFamily);
}
//---------------------------------------------------------------------------------------------------------------------
void VTextGraphicsItem::SetSVGFontPointSize(int pointSize)
{
m_tm.SetSVGFontPointSize(pointSize);
}
//---------------------------------------------------------------------------------------------------------------------
/**
* @brief VTextGraphicsItem::paint redraws the item content
* @param painter pointer to the QPainter in use
* @param option pointer to the object containing the actual label rectangle
* @param widget not used
*/
void VTextGraphicsItem::paint(QPainter *painter, const QStyleOptionGraphicsItem *option, QWidget *widget)
{
Q_UNUSED(widget)
Q_UNUSED(option)
painter->fillRect(m_rectBoundingBox, VSceneStylesheet::PatternPieceStyle().LabelBackgroundColor());
painter->setRenderHints(QPainter::Antialiasing | QPainter::TextAntialiasing);
painter->setPen(VSceneStylesheet::PatternPieceStyle().LabelTextColor());
PaintLabel(painter);
// now draw the features specific to non-normal modes
if (m_eMode != mNormal)
{
// outline the rectangle
painter->setPen(QPen(VSceneStylesheet::PatternPieceStyle().LabelModeColor(), 2, Qt::DashLine));
painter->drawRect(boundingRect().adjusted(1, 1, -1, -1));
if (m_eMode != mRotate)
{
// draw the resize square
painter->setPen(VSceneStylesheet::PatternPieceStyle().LabelModeColor());
painter->setBrush(VSceneStylesheet::PatternPieceStyle().LabelModeColor());
painter->drawRect(m_rectResize.adjusted(-1, -1, -1, -1));
if (m_eMode == mResize)
{
// draw the resize diagonal lines
painter->drawLine(1, 1, qFloor(m_rectBoundingBox.width()) - 1, qFloor(m_rectBoundingBox.height()) - 1);
painter->drawLine(1, qFloor(m_rectBoundingBox.height()) - 1, qFloor(m_rectBoundingBox.width()) - 1, 1);
}
}
else
{
// in rotate mode, draw the circle in the middle
painter->setPen(VSceneStylesheet::PatternPieceStyle().LabelModeColor());
painter->setBrush(VSceneStylesheet::PatternPieceStyle().LabelModeColor());
painter->drawEllipse(QPointF(m_rectBoundingBox.width() / 2, m_rectBoundingBox.height() / 2), rotateCircle,
rotateCircle);
if (m_rectBoundingBox.width() > minW * 3 && m_rectBoundingBox.height() > minH * 3)
{
painter->setPen(QPen(VSceneStylesheet::PatternPieceStyle().LabelModeColor(), 3));
painter->setBrush(Qt::NoBrush);
// and then draw the arc in each of the corners
int iTop = rotateRect - rotateArc;
int iLeft = rotateRect - rotateArc;
int iRight = qRound(m_rectBoundingBox.width()) - rotateRect;
int iBottom = qRound(m_rectBoundingBox.height()) - rotateRect;
painter->drawArc(iLeft, iTop, rotateArc, rotateArc, 180 * 16, -90 * 16);
painter->drawArc(iRight, iTop, rotateArc, rotateArc, 90 * 16, -90 * 16);
painter->drawArc(iLeft, iBottom, rotateArc, rotateArc, 270 * 16, -90 * 16);
painter->drawArc(iRight, iBottom, rotateArc, rotateArc, 0 * 16, -90 * 16);
}
}
}
}
//---------------------------------------------------------------------------------------------------------------------
/**
* @brief VTextGraphicsItem::SetSize Tries to set the label size to (fW, fH). If any of those is too small, the label
* size does not change.
* @param fW label width
* @param fH label height
*/
void VTextGraphicsItem::SetSize(qreal fW, qreal fH)
{
prepareGeometryChange();
m_rectBoundingBox.setTopLeft(QPointF(0, 0));
m_rectBoundingBox.setWidth(fW);
m_rectBoundingBox.setHeight(fH);
m_rectResize.setTopLeft(QPointF(fW - resizeSquare, fH - resizeSquare));
m_rectResize.setWidth(resizeSquare);
m_rectResize.setHeight(resizeSquare);
setTransformOriginPoint(m_rectBoundingBox.center());
}
//---------------------------------------------------------------------------------------------------------------------
/**
* @brief VTextGraphicsItem::Update sets the correct size and font size and redraws the label
*/
void VTextGraphicsItem::Update()
{
CorrectLabel();
UpdateBox();
}
//---------------------------------------------------------------------------------------------------------------------
/**
* @brief VTextGraphicsItem::IsContained checks if the bounding box around rotated rectBB is contained in
* the parent. If that is not the case, it calculates the amount of movement needed to put it inside the parent
* and write it into dX, dY
* @param rectBB bounding box in question
* @param dRot bounding box rotation in degrees
* @param dX horizontal translation needed to put the box inside parent item
* @param dY vertical translation needed to put the box inside parent item
* @return true, if rectBB is contained in parent item and false otherwise
*/
auto VTextGraphicsItem::IsContained(QRectF rectBB, qreal dRot, qreal &dX, qreal &dY) const -> bool
{
QRectF rectParent = parentItem()->boundingRect();
rectBB = GetBoundingRect(rectBB, dRot);
dX = 0;
dY = 0;
if (not rectParent.contains(rectBB))
{
if (rectParent.left() - rectBB.left() > fabs(dX))
{
dX = rectParent.left() - rectBB.left();
}
else if (rectBB.right() - rectParent.right() > fabs(dX))
{
dX = rectParent.right() - rectBB.right();
}
if (rectParent.top() - rectBB.top() > fabs(dY))
{
dY = rectParent.top() - rectBB.top();
}
else if (rectBB.bottom() - rectParent.bottom() > fabs(dY))
{
dY = rectParent.bottom() - rectBB.bottom();
}
return false;
}
return true;
}
//---------------------------------------------------------------------------------------------------------------------
/**
* @brief VTextGraphicsItem::UpdateData Updates the detail label
* @param qsName name of detail
* @param data reference to VPatternPieceData
*/
void VTextGraphicsItem::UpdateData(const QString &qsName, const VPieceLabelData &data, const VContainer *pattern)
{
m_tm.Update(qsName, data, pattern);
}
//---------------------------------------------------------------------------------------------------------------------
/**
* @brief VTextGraphicsItem::UpdateData Updates the pattern label
* @param pDoc pointer to the pattern object
*/
void VTextGraphicsItem::UpdateData(VAbstractPattern *pDoc, const VContainer *pattern)
{
m_tm.Update(pDoc, pattern);
}
//---------------------------------------------------------------------------------------------------------------------
/**
* @brief VTextGraphicsItem::GetTextLines returns the number of lines of text to show
* @return number of lines of text
*/
auto VTextGraphicsItem::GetTextLines() const -> vsizetype
{
return m_tm.GetSourceLinesCount();
}
//---------------------------------------------------------------------------------------------------------------------
void VTextGraphicsItem::SetPieceName(const QString &name)
{
m_pieceName = name;
}
//---------------------------------------------------------------------------------------------------------------------
/**
* @brief VTextGraphicsItem::GetFontSize returns the currently used text base font size
* @return current text base font size
*/
auto VTextGraphicsItem::GetFontSize() const -> int
{
return m_tm.GetFont().pixelSize();
}
//---------------------------------------------------------------------------------------------------------------------
/**
* @brief VTextGraphicsItem::mousePressEvent handles left button mouse press events
* @param pME pointer to QGraphicsSceneMouseEvent object
*/
void VTextGraphicsItem::mousePressEvent(QGraphicsSceneMouseEvent *pME)
{
if (pME->button() == Qt::LeftButton && pME->type() != QEvent::GraphicsSceneMouseDoubleClick &&
(flags() & QGraphicsItem::ItemIsMovable))
{
if (m_moveType == NotMovable)
{
pME->ignore();
return;
}
pME->accept();
// record the parameters of the mouse press. Specially record the position
// of the press as the origin for the following operations
m_ptStartPos = pos();
m_ptStart = pME->scenePos();
m_szStart = m_rectBoundingBox.size();
m_ptRotCenter = mapToParent(m_rectBoundingBox.center());
m_dAngle = GetAngle(mapToParent(pME->pos()));
m_dRotation = rotation();
// in rotation mode, do not do any changes here, because user might want to
// rotate the label more.
if ((m_moveType & AllModifications) == AllModifications)
{
AllUserModifications(pME->pos());
setZValue(activeZ);
Update();
}
else if (m_moveType & IsRotatable)
{
if (m_moveType & IsResizable)
{
AllUserModifications(pME->pos());
}
else if (m_moveType & IsMovable)
{
UserRotateAndMove();
}
else
{
m_eMode = mRotate;
SetItemOverrideCursor(this, cursorArrowCloseHand, 1, 1);
}
setZValue(activeZ);
Update();
}
else if (m_moveType & IsResizable)
{
if (m_moveType & IsRotatable)
{
AllUserModifications(pME->pos());
}
else if (m_moveType & IsMovable)
{
UserMoveAndResize(pME->pos());
}
setZValue(activeZ);
Update();
}
else if (m_moveType & IsMovable)
{
if (m_moveType & IsRotatable)
{
UserRotateAndMove();
}
else if (m_moveType & IsResizable)
{
UserMoveAndResize(pME->pos());
}
else
{
m_eMode = mMove;
SetItemOverrideCursor(this, cursorArrowCloseHand, 1, 1);
}
setZValue(activeZ);
Update();
}
else
{
pME->ignore();
}
}
else
{
pME->ignore();
}
}
//---------------------------------------------------------------------------------------------------------------------
/**
* @brief VTextGraphicsItem::mouseMoveEvent handles mouse move events
* @param pME pointer to QGraphicsSceneMouseEvent object
*/
void VTextGraphicsItem::mouseMoveEvent(QGraphicsSceneMouseEvent *pME)
{
if (m_eMode == mMove && m_moveType & IsMovable)
{
MoveLabel(pME);
}
else if (m_eMode == mResize && m_moveType & IsResizable)
{
ResizeLabel(pME);
}
else if (m_eMode == mRotate && m_moveType & IsRotatable)
{
RotateLabel(pME);
}
}
//---------------------------------------------------------------------------------------------------------------------
/**
* @brief VTextGraphicsItem::mouseReleaseEvent handles left button mouse release events
* @param pME pointer to QGraphicsSceneMouseEvent object
*/
void VTextGraphicsItem::mouseReleaseEvent(QGraphicsSceneMouseEvent *pME)
{
if (pME->button() != Qt::LeftButton)
{
return;
}
// restore the cursor
if ((m_eMode == mMove || m_eMode == mRotate || m_eMode == mResize) && (flags() & QGraphicsItem::ItemIsMovable))
{
SetItemOverrideCursor(this, cursorArrowOpenHand, 1, 1);
}
double dDist = fabs(pME->scenePos().x() - m_ptStart.x()) + fabs(pME->scenePos().y() - m_ptStart.y());
// determine if this was just press/release (bShort == true) or user did some operation between press and
// release
bool bShort = (dDist < 2);
if (m_eMode == mMove || m_eMode == mResize)
{ // if user just pressed and released the button, we must switch the mode to rotate
// but if user did some operation (move/resize), emit the proper signal and update the label
if (bShort)
{
if (m_bReleased && m_moveType & IsRotatable)
{
m_eMode = mRotate;
UpdateBox();
}
}
else if (m_eMode == mMove && m_moveType & IsMovable)
{
emit SignalMoved(pos());
UpdateBox();
}
else if (m_moveType & IsResizable)
{
emit SignalResized(m_rectBoundingBox.width());
Update();
}
}
else
{ // in rotate mode, if user did just press/release, switch to move mode
if (bShort && (m_moveType & IsMovable || m_moveType & IsResizable))
{
m_eMode = mMove;
}
else if (m_moveType & IsRotatable)
{
// if user rotated the item, emit proper signal and update the label
emit SignalRotated(rotation());
}
UpdateBox();
}
m_bReleased = true;
}
//---------------------------------------------------------------------------------------------------------------------
/**
* @brief VTextGraphicsItem::hoverMoveEvent checks if cursor has to be changed
* @param pHE pointer to the scene hover event
*/
void VTextGraphicsItem::hoverMoveEvent(QGraphicsSceneHoverEvent *pHE)
{
if (m_eMode == mResize && m_moveType & IsResizable)
{
if (m_rectResize.contains(pHE->pos()))
{
setCursor(Qt::SizeFDiagCursor);
}
else
{
SetItemOverrideCursor(this, cursorArrowOpenHand, 1, 1);
}
}
VPieceItem::hoverMoveEvent(pHE);
}
//---------------------------------------------------------------------------------------------------------------------
void VTextGraphicsItem::hoverEnterEvent(QGraphicsSceneHoverEvent *pME)
{
if (flags() & QGraphicsItem::ItemIsMovable)
{
SetItemOverrideCursor(this, cursorArrowOpenHand, 1, 1);
}
VPieceItem::hoverEnterEvent(pME);
}
//---------------------------------------------------------------------------------------------------------------------
/**
* @brief VTextGraphicsItem::UpdateBox redraws the label content
*/
void VTextGraphicsItem::UpdateBox()
{
update(m_rectBoundingBox);
}
//---------------------------------------------------------------------------------------------------------------------
/**
* @brief VTextGraphicsItem::UpdateFont sets the text font size, so that the entire text will
* just fit into the label bounding box
*/
void VTextGraphicsItem::CorrectLabel()
{
qreal dX;
qreal dY;
QRectF rectBB;
rectBB.setTopLeft(pos());
rectBB.setSize(m_rectBoundingBox.size());
if (not IsContained(rectBB, rotation(), dX, dY))
{
// put the label inside the pattern
setPos(pos().x() + dX, pos().y() + dY);
}
UpdateBox();
}
//---------------------------------------------------------------------------------------------------------------------
void VTextGraphicsItem::AllUserModifications(const QPointF &pos)
{
if (m_eMode != mRotate)
{
UserMoveAndResize(pos);
}
else
{
SetItemOverrideCursor(this, cursorArrowCloseHand, 1, 1);
}
}
//---------------------------------------------------------------------------------------------------------------------
void VTextGraphicsItem::UserRotateAndMove()
{
if (m_eMode != mRotate)
{
m_eMode = mMove;
}
SetItemOverrideCursor(this, cursorArrowCloseHand, 1, 1);
}
//---------------------------------------------------------------------------------------------------------------------
void VTextGraphicsItem::UserMoveAndResize(const QPointF &pos)
{
if (m_rectResize.contains(pos))
{
m_eMode = mResize;
setCursor(Qt::SizeFDiagCursor);
}
else
{
m_eMode = mMove; // block later if need
SetItemOverrideCursor(this, cursorArrowCloseHand, 1, 1);
}
}
//---------------------------------------------------------------------------------------------------------------------
void VTextGraphicsItem::MoveLabel(QGraphicsSceneMouseEvent *pME)
{
const QPointF ptDiff = pME->scenePos() - m_ptStart;
// in move mode move the label along the mouse move from the origin
QPointF pt = m_ptStartPos + ptDiff;
QRectF rectBB;
rectBB.setTopLeft(pt);
rectBB.setWidth(m_rectBoundingBox.width());
rectBB.setHeight(m_rectBoundingBox.height());
// before moving label to a new position, check if it will still be inside the parent item
qreal dX;
qreal dY;
if (not IsContained(rectBB, rotation(), dX, dY))
{
pt.setX(pt.x() + dX);
pt.setY(pt.y() + dY);
}
setPos(pt);
UpdateBox();
}
//---------------------------------------------------------------------------------------------------------------------
void VTextGraphicsItem::ResizeLabel(QGraphicsSceneMouseEvent *pME)
{
QLineF vectorDiff(m_ptStart, pME->scenePos());
vectorDiff.setAngle(vectorDiff.angle() + m_dRotation);
const QPointF ptDiff = vectorDiff.p2() - m_ptStart;
// in resize mode, resize the label along the mouse move from the origin
QPointF pt;
QSizeF sz;
if (m_moveType & IsMovable)
{
const qreal newWidth = m_szStart.width() + ptDiff.x();
const qreal newHeight = m_szStart.height() + ptDiff.y();
if (newWidth <= minW || newHeight <= minH)
{
return;
}
pt = m_ptStartPos;
sz = QSizeF(newWidth, newHeight);
}
else
{
const qreal newWidth = m_szStart.width() + ptDiff.x() * 2.0;
const qreal newHeight = m_szStart.height() + ptDiff.y() * 2.0;
if (newWidth <= minW || newHeight <= minH)
{
return;
}
pt = QPointF(m_ptRotCenter.x() - newWidth / 2.0, m_ptRotCenter.y() - newHeight / 2.0);
sz = QSizeF(m_szStart.width() + ptDiff.x() * 2.0, m_szStart.height() + ptDiff.y() * 2.0);
}
QRectF rectBB;
rectBB.setTopLeft(pt);
rectBB.setSize(sz);
// before resizing the label to a new size, check if it will still be inside the parent item
qreal dX;
qreal dY;
if (IsContained(rectBB, rotation(), dX, dY))
{
if (not(m_moveType & IsMovable))
{
setPos(pt);
}
}
else
{
return;
}
SetSize(sz.width(), sz.height());
Update();
emit SignalShrink();
}
//---------------------------------------------------------------------------------------------------------------------
void VTextGraphicsItem::RotateLabel(QGraphicsSceneMouseEvent *pME)
{
// if the angle from the original position is small (0.5 degrees), just remeber the new angle
// new angle will be the starting angle for rotation
if (fabs(m_dAngle) < 0.01)
{
m_dAngle = GetAngle(mapToParent(pME->pos()));
return;
}
QRectF rectBB;
rectBB.setTopLeft(m_ptStartPos);
rectBB.setWidth(m_rectBoundingBox.width());
rectBB.setHeight(m_rectBoundingBox.height());
// calculate the angle difference from the starting angle
double dAng = qRadiansToDegrees(GetAngle(mapToParent(pME->pos())) - m_dAngle);
// check if the rotated label will be inside the parent item and then rotate it
qreal dX;
qreal dY;
if (IsContained(rectBB, m_dRotation + dAng, dX, dY))
{
setRotation(m_dRotation + dAng);
Update();
}
}
//---------------------------------------------------------------------------------------------------------------------
void VTextGraphicsItem::PaintLabel(QPainter *painter)
{
VCommonSettings *settings = VAbstractApplication::VApp()->Settings();
if (settings->GetSingleLineFonts())
{
PaintLabelSVGFont(painter);
}
else
{
PaintLabelOutlineFont(painter);
}
}
//---------------------------------------------------------------------------------------------------------------------
void VTextGraphicsItem::PaintLabelOutlineFont(QPainter *painter)
{
const QRectF boundingRect = this->boundingRect();
const int iW = qFloor(boundingRect.width());
QFont fnt = m_tm.GetFont();
const QVector<TextLine> labelLines = m_tm.GetLabelSourceLines(iW, fnt);
VCommonSettings *settings = VAbstractApplication::VApp()->Settings();
bool textAsPaths = settings->GetSingleStrokeOutlineFont();
// draw text lines
qreal iY = 0;
qreal penWidth = VAbstractApplication::VApp()->Settings()->WidthHairLine();
if (textAsPaths)
{
QPen pen = painter->pen();
pen.setCapStyle(Qt::RoundCap);
pen.setJoinStyle(Qt::RoundJoin);
pen.setWidthF(penWidth);
painter->setPen(pen);
iY += penWidth * 2;
}
painter->setClipRect(boundingRect);
for (const auto &tl : labelLines)
{
fnt.setPointSize(qMax(m_tm.GetFont().pointSize() + tl.m_iFontSize, 1));
fnt.setBold(tl.m_bold);
fnt.setItalic(tl.m_italic);
VSingleLineOutlineChar corrector(fnt);
if (!corrector.IsPopulated())
{
corrector.LoadCorrections(settings->GetPathFontCorrections());
}
QString qsText = tl.m_qsText;
QFontMetrics fm(fnt);
qreal lineHeight = fm.height();
if (iY + lineHeight > boundingRect.height())
{
lineHeight = boundingRect.height() - iY;
}
if (textAsPaths)
{
QString qsText = tl.m_qsText;
qreal dX = 0;
if (tl.m_eAlign == 0 || (tl.m_eAlign & Qt::AlignLeft) > 0)
{
dX = 0;
}
else if ((tl.m_eAlign & Qt::AlignHCenter) > 0)
{
dX = (boundingRect.width() - TextWidth(fm, qsText)) / 2;
}
else if ((tl.m_eAlign & Qt::AlignRight) > 0)
{
dX = boundingRect.width() - TextWidth(fm, qsText);
}
QPainterPath path;
int w = 0;
for (auto c : qAsConst(qsText))
{
path.addPath(corrector.DrawChar(w, static_cast<qreal>(fm.ascent()), c));
w += TextWidth(fm, c);
}
QTransform matrix;
matrix.translate(dX, iY);
path = matrix.map(path);
painter->save();
painter->setBrush(QBrush(Qt::NoBrush));
painter->drawPath(path);
painter->restore();
}
else
{
painter->save();
painter->setFont(fnt);
painter->drawText(QRectF(0, iY, iW, lineHeight * 2), static_cast<int>(tl.m_eAlign), qsText);
painter->restore();
}
// check if the next line will go out of bounds
qreal nextStep = textAsPaths ? iY + fm.height() + penWidth * 2 : iY + fm.height();
if (nextStep > boundingRect.height())
{
NotEnoughSpace();
break;
}
iY = nextStep + m_tm.GetSpacing();
}
}
//---------------------------------------------------------------------------------------------------------------------
void VTextGraphicsItem::PaintLabelSVGFont(QPainter *painter)
{
VSvgFontDatabase *db = VAbstractApplication::VApp()->SVGFontDatabase();
VSvgFontEngine engine = db->FontEngine(m_tm.GetSVGFontFamily(), SVGFontStyle::Normal, SVGFontWeight::Normal,
m_tm.GetSVGFontPointSize());
VSvgFont svgFont = engine.Font();
if (!svgFont.IsValid())
{
QString errorMsg = tr("Invalid SVG font '%1'. Fallback to outline font.").arg(svgFont.Name());
VAbstractApplication::VApp()->IsPedantic()
? throw VException(errorMsg)
: qWarning() << VAbstractValApplication::warningMessageSignature + errorMsg;
PaintLabelOutlineFont(painter);
return;
}
qreal penWidth = VAbstractApplication::VApp()->Settings()->WidthHairLine();
QPen pen = painter->pen();
pen.setCapStyle(Qt::RoundCap);
pen.setJoinStyle(Qt::RoundJoin);
pen.setWidthF(penWidth);
painter->setPen(pen);
const QRectF boundingRect = this->boundingRect().adjusted(-penWidth, -penWidth, -penWidth, -penWidth);
const qreal iW = boundingRect.width();
const QVector<TextLine> labelLines = m_tm.GetLabelSourceLines(qFloor(iW), svgFont, penWidth / 2);
// draw text lines
qreal iY = 0;
for (const auto &tl : labelLines)
{
VSvgFont lineFont = svgFont;
lineFont.SetBold(tl.m_bold);
lineFont.SetItalic(tl.m_italic);
lineFont.SetPointSize(svgFont.PointSize() + tl.m_iFontSize);
engine = db->FontEngine(lineFont);
QString qsText = tl.m_qsText;
qreal lineHeight = engine.FontHeight() + painter->pen().widthF() * 2;
if (iY + lineHeight > boundingRect.height())
{
lineHeight = boundingRect.height() - iY;
}
engine.Draw(painter, QRectF(0, iY, iW, lineHeight), qsText, tl.m_eAlign);
// check if the next line will go out of bounds
qreal nextStep = iY + engine.FontHeight() + painter->pen().widthF() * 2;
if (nextStep > boundingRect.height())
{
NotEnoughSpace();
break;
}
iY = nextStep + m_tm.GetSpacing();
}
}
//---------------------------------------------------------------------------------------------------------------------
void VTextGraphicsItem::NotEnoughSpace() const
{
QString errorMsg;
switch (m_itemType)
{
case PatternLabel:
errorMsg = tr("Piece '%1'. Not enough space for pattern info label.").arg(m_pieceName);
break;
case PieceLabel:
errorMsg = tr("Piece '%1'. Not enough space for piece info label.").arg(m_pieceName);
break;
case Unknown:
default:
errorMsg = tr("Piece '%1'. Not enough space for label.").arg(m_pieceName);
break;
};
VAbstractApplication::VApp()->IsPedantic()
? throw VException(errorMsg)
: qWarning() << VAbstractValApplication::warningMessageSignature + errorMsg;
}
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