valentina_old/src/libs/vlayout/vtextmanager.cpp

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#include <QRegularExpression>
#include <QFontMetrics>
#include <QDir>
#include "vtextmanager.h"
//---------------------------------------------------------------------------------------------------------------------
/**
* @brief TextLine::TextLine default constructor
*/
TextLine::TextLine()
:m_qsText(), m_iFontSize(MIN_FONT_SIZE), m_eFontWeight(QFont::Normal), m_eStyle(QFont::StyleNormal),
m_eAlign(Qt::AlignCenter), m_iHeight(0)
{}
//---------------------------------------------------------------------------------------------------------------------
/**
* @brief VTextManager::VTextManager constructor
*/
VTextManager::VTextManager()
:m_font(), m_liLines(), m_liOutput()
{}
//---------------------------------------------------------------------------------------------------------------------
/**
* @brief VTextManager::~VTextManager destructor
*/
VTextManager::~VTextManager()
{}
//---------------------------------------------------------------------------------------------------------------------
/**
* @brief VTextManager::GetSpacing returns the vertical spacing between the lines
* @return
*/
int VTextManager::GetSpacing() const
{
return 2;
}
//---------------------------------------------------------------------------------------------------------------------
/**
* @brief VTextManager::SetFont set the text base font
* @param font text base font
*/
void VTextManager::SetFont(const QFont& font)
{
m_font = font;
}
//---------------------------------------------------------------------------------------------------------------------
/**
* @brief VTextManager::GetFont returns the text base font
* @return text base font
*/
const QFont& VTextManager::GetFont() const
{
return m_font;
}
//---------------------------------------------------------------------------------------------------------------------
/**
* @brief VTextManager::SetFontSize sets the font size
* @param iFS font size in pixels
*/
void VTextManager::SetFontSize(int iFS)
{
m_font.setPixelSize(iFS);
}
//---------------------------------------------------------------------------------------------------------------------
/**
* @brief VTextManager::AddLine add new text line to the list
* @param tl text line object to be added
*/
void VTextManager::AddLine(const TextLine& tl)
{
m_liLines << tl;
}
//---------------------------------------------------------------------------------------------------------------------
/**
* @brief VTextManager::Clear deletes the list of texts
*/
void VTextManager::Clear()
{
m_liLines.clear();
}
//---------------------------------------------------------------------------------------------------------------------
/**
* @brief VTextManager::GetCount returns the number of output text lines
* @return number of output text lines
*/
int VTextManager::GetCount() const
{
return m_liOutput.count();
}
//---------------------------------------------------------------------------------------------------------------------
/**
* @brief VTextManager::GetSourceLineCount returns the number of input text lines
* @return number of text lines that were added to the list by calling AddLine
*/
int VTextManager::GetSourceLineCount() const
{
return m_liLines.count();
}
//---------------------------------------------------------------------------------------------------------------------
/**
* @brief VTextManager::GetLine returns the i-th output text line
* @param i index of the output text line
* @return i-th output text line
*/
const TextLine& VTextManager::GetLine(int i) const
{
return m_liOutput[i];
}
//---------------------------------------------------------------------------------------------------------------------
/**
* @brief VTextManager::IsBigEnough Checks if rectangle of size (fW, fH) is big enough to hold the text with base font
* size iFontSize
* @param fW rectangle width
* @param fH rectangle height
* @param iFontSize base font size
* @return true, if rectangle of size (fW, fH)
*/
bool VTextManager::IsBigEnough(qreal fW, qreal fH, int iFontSize)
{
m_liOutput.clear();
QFont fnt = m_font;
int iY = 0;
for (int i = 0; i < m_liLines.count(); ++i)
{
const TextLine& tl = m_liLines.at(i);
TextLine tlOut = tl;
fnt.setPixelSize(iFontSize + tl.m_iFontSize);
QFontMetrics fm(fnt);
int iHorSp = fm.width(" ");
tlOut.m_iHeight = fm.height();
QStringList qslLines = SplitString(tlOut.m_qsText, fW, fm);
for (int iL = 0; iL < qslLines.count(); ++iL)
{
// check if every line fits within the label width
if (fm.width(qslLines[iL]) + iHorSp > fW)
{
return false;
}
tlOut.m_qsText = qslLines[iL];
m_liOutput << tlOut;
iY += tlOut.m_iHeight + GetSpacing();
}
}
return iY < fH;
}
//---------------------------------------------------------------------------------------------------------------------
/**
* @brief VTextManager::FitFontSize sets the font size just big enough, so that the text fits into rectangle of
* size (fW, fH)
* @param fW rectangle width
* @param fH rectangle height
*/
void VTextManager::FitFontSize(qreal fW, qreal fH)
{
int iFontSize = GetFont().pixelSize();
while (IsBigEnough(fW, fH, iFontSize) == true && iFontSize <= MAX_FONT_SIZE)
{
++iFontSize;
}
while (IsBigEnough(fW, fH, iFontSize) == false && iFontSize >= MIN_FONT_SIZE)
{
--iFontSize;
}
SetFontSize(iFontSize);
}
//---------------------------------------------------------------------------------------------------------------------
/**
* @brief VTextManager::Update updates the text lines with detail data
* @param qsName detail name
* @param data reference to the detail data
*/
void VTextManager::Update(const QString& qsName, const VPatternPieceData& data)
{
Clear();
TextLine tl;
// all text must be centered and normal style!
tl.m_eAlign = Qt::AlignCenter;
tl.m_eStyle = QFont::StyleNormal;
// letter
tl.m_qsText = data.GetLetter();
if (tl.m_qsText.isEmpty() == false)
{
tl.m_eFontWeight = QFont::Bold;
tl.m_iFontSize = 6;
AddLine(tl);
}
// name
tl.m_qsText = qsName;
if (tl.m_qsText.isEmpty() == false)
{
tl.m_eFontWeight = QFont::DemiBold;
tl.m_iFontSize = 2;
AddLine(tl);
}
// MCP
QString qsText = "Cut %1 on %2%3";
QStringList qslPlace;
qslPlace << "" << " on Fold";
tl.m_eFontWeight = QFont::Normal;
tl.m_iFontSize = 0;
for (int i = 0; i < data.GetMCPCount(); ++i)
{
MaterialCutPlacement mcp = data.GetMCP(i);
if (mcp.m_iCutNumber > 0)
{
tl.m_qsText = qsText.arg(mcp.m_iCutNumber).arg(mcp.m_qsMaterialUserDef).
arg(qslPlace[int(mcp.m_ePlacement)]);
AddLine(tl);
}
}
}
//---------------------------------------------------------------------------------------------------------------------
/**
* @brief VTextManager::Update updates the text lines with pattern info
* @param pDoc pointer to the abstract pattern object
*/
void VTextManager::Update(const VAbstractPattern *pDoc)
{
Clear();
TextLine tl;
// all information must be centered
tl.m_eAlign = Qt::AlignCenter;
// Company name
tl.m_qsText = pDoc->GetCompanyName();
if (tl.m_qsText.isEmpty() == false)
{
tl.m_eFontWeight = QFont::DemiBold;
tl.m_eStyle = QFont::StyleNormal;
tl.m_iFontSize = 4;
AddLine(tl);
}
// Pattern name
tl.m_qsText = pDoc->GetPatternName();
if (tl.m_qsText.isEmpty() == false)
{
tl.m_eFontWeight = QFont::Normal;
tl.m_eStyle = QFont::StyleNormal;
tl.m_iFontSize = 2;
AddLine(tl);
}
// Pattern number
tl.m_qsText = pDoc->GetPatternNumber();
if (tl.m_qsText.isEmpty() == false)
{
tl.m_eFontWeight = QFont::Normal;
tl.m_eStyle = QFont::StyleNormal;
tl.m_iFontSize = 0;
AddLine(tl);
}
// Customer name
tl.m_qsText = pDoc->GetCustomerName();
if (tl.m_qsText.isEmpty() == false)
{
tl.m_eFontWeight = QFont::Normal;
tl.m_eStyle = QFont::StyleItalic;
tl.m_iFontSize = 0;
AddLine(tl);
}
// Size
tl.m_qsText = pDoc->GetPatternSize();
if (tl.m_qsText.isEmpty() == false)
{
tl.m_eFontWeight = QFont::Normal;
tl.m_eStyle = QFont::StyleNormal;
tl.m_iFontSize = 0;
AddLine(tl);
}
// Measurements
tl.m_qsText = QFileInfo(pDoc->MPath()).fileName();
if (tl.m_qsText.isEmpty() == false && pDoc->IsMeasurementsVisible() == true)
{
tl.m_eFontWeight = QFont::Normal;
tl.m_eStyle = QFont::StyleNormal;
tl.m_iFontSize = 0;
AddLine(tl);
}
// Date
QDate date;
if (pDoc->IsDateVisible() == true)
{
date = QDate::currentDate();
}
if (date.isValid() == true)
{
tl.m_qsText = date.toString("dd MMMM yyyy");
tl.m_eFontWeight = QFont::Normal;
tl.m_eStyle = QFont::StyleNormal;
tl.m_iFontSize = 0;
AddLine(tl);
}
}
//---------------------------------------------------------------------------------------------------------------------
/**
* @brief VTextManager::SplitString splits the string into several lines, which all fit into width fW
* @param qs string to split
* @param fW required width of every output string
* @param fm font metrics of the font used
* @return list of strings, each of which is not wider than fW using the font metrics fm
*/
QStringList VTextManager::SplitString(const QString &qs, qreal fW, const QFontMetrics &fm)
{
QRegularExpression reg("\\s+");
// split the string into words
QStringList qslWords = qs.split(reg);
QStringList qslLines;
QString qsCurrent;
for (int i = 0; i < qslWords.count(); ++i)
{
if (qsCurrent.length() > 0)
{
qsCurrent += QLatin1String(" ");
}
// check if another word can be added into current line
if (fm.width(qsCurrent + qslWords[i]) > fW)
{
// if not, add the current line into the list of text lines
if (qsCurrent.isEmpty() == false)
{
qslLines << qsCurrent;
}
// and set the current line to contain the current word
qsCurrent = qslWords[i];
}
else
{
qsCurrent += qslWords[i];
}
}
qslLines << qsCurrent;
return qslLines;
}