/**
* Updates the Inserts (letters) of this text. Called when the
* text or it's data, position, alignment, .. changes.
* This method also updates the usedTextWidth / usedTextHeight property.
*/
void RS_MText::update() {
RS_DEBUG->print("RS_Text::update");
clear();
if (isUndone()) {
return;
}
usedTextWidth = 0.0;
usedTextHeight = 0.0;
RS_Font* font = RS_FONTLIST->requestFont(data.style);
if (font==NULL) {
return;
}
RS_Vector letterPos = RS_Vector(0.0, -9.0);
RS_Vector letterSpace = RS_Vector(font->getLetterSpacing(), 0.0);
RS_Vector space = RS_Vector(font->getWordSpacing(), 0.0);
int lineCounter = 0;
// Every single text line gets stored in this entity container
// so we can move the whole line around easely:
RS_EntityContainer* oneLine = new RS_EntityContainer(this);
// First every text line is created with
// alignement: top left
// angle: 0
// height: 9.0
// Rotation, scaling and centering is done later
// For every letter:
for (int i=0; i<(int)data.text.length(); ++i) {
bool handled = false;
switch (data.text.at(i).unicode()) {
case 0x0A:
// line feed:
updateAddLine(oneLine, lineCounter++);
oneLine = new RS_EntityContainer(this);
letterPos = RS_Vector(0.0, -9.0);
handled = true;
break;
case 0x20:
// Space:
letterPos+=space;
handled = true;
break;
case 0x5C: {
// code (e.g. \S, \P, ..)
i++;
int ch = data.text.at(i).unicode();
switch (ch) {
case 'P':
updateAddLine(oneLine, lineCounter++);
oneLine = new RS_EntityContainer(this);
letterPos = RS_Vector(0.0, -9.0);
handled = true;
break;
case 'f':
case 'F':
//font change
// \f{symbol} changes font to symbol
// \f{} sets font to standard
{
i++;
if(data.text.at(i).unicode()!='{') {
i--;
continue;
}
int j=data.text.indexOf('}',i);
if(j>i){
//
QString fontName;
if(j==i+1)
fontName="standard";
else
fontName=data.text.mid(i+1,j-i-1);
RS_Font* fontNew = RS_FONTLIST->requestFont(
fontName
);
if(fontNew != NULL) {
font=fontNew;
}
if(font==NULL) font = RS_FONTLIST->requestFont("standard");
i=j;
}
}
continue;
case 'S': {
QString up;
QString dw;
//letterPos += letterSpace;
// get upper string:
i++;
while (data.text.at(i).unicode()!='^' &&
//data.text.at(i).unicode()!='/' &&
data.text.at(i).unicode()!='\\' &&
//data.text.at(i).unicode()!='#' &&
i<(int)data.text.length()) {
up += data.text.at(i);
i++;
}
i++;
if (data.text.at(i-1).unicode()=='^' &&
data.text.at(i).unicode()==' ') {
i++;
}
// get lower string:
while (data.text.at(i).unicode()!=';' &&
i<(int)data.text.length()) {
dw += data.text.at(i);
i++;
}
// add texts:
RS_MText* upper =
new RS_MText(
oneLine,
RS_MTextData(letterPos + RS_Vector(0.0,9.0),
4.0, 100.0, RS_MTextData::VATop, RS_MTextData::HALeft,
RS_MTextData::LeftToRight, RS_MTextData::Exact,
1.0, up, data.style,
0.0, RS2::Update));
upper->setLayer(NULL);
upper->setPen(RS_Pen(RS2::FlagInvalid));
oneLine->addEntity(upper);
RS_MText* lower =
new RS_MText(
oneLine,
RS_MTextData(letterPos+RS_Vector(0.0,4.0),
4.0, 100.0, RS_MTextData::VATop, RS_MTextData::HALeft,
RS_MTextData::LeftToRight, RS_MTextData::Exact,
1.0, dw, data.style,
0.0, RS2::Update));
lower->setLayer(NULL);
lower->setPen(RS_Pen(RS2::FlagInvalid));
oneLine->addEntity(lower);
// move cursor:
upper->calculateBorders();
lower->calculateBorders();
double w1 = upper->getSize().x;
double w2 = lower->getSize().x;
if (w1>w2) {
letterPos += RS_Vector(w1, 0.0);
} else {
letterPos += RS_Vector(w2, 0.0);
}
letterPos += letterSpace;
}
handled = true;
break;
default:
i--;
break;
}
}
//if char is not handled continue in default: statement
if (handled)
break;
default: {
// One Letter:
QString letterText = QString(data.text.at(i));
if (font->findLetter(letterText) == NULL) {
RS_DEBUG->print("RS_Text::update: missing font for letter( %s ), replaced it with QChar(0xfffd)",qPrintable(letterText));
letterText = QChar(0xfffd);
}
// if (font->findLetter(QString(data.text.at(i))) != NULL) {
RS_DEBUG->print("RS_Text::update: insert a "
"letter at pos: %f/%f", letterPos.x, letterPos.y);
RS_InsertData d(letterText,
letterPos,
RS_Vector(1.0, 1.0),
0.0,
1,1, RS_Vector(0.0,0.0),
font->getLetterList(), RS2::NoUpdate);
RS_Insert* letter = new RS_Insert(this, d);
RS_Vector letterWidth;
letter->setPen(RS_Pen(RS2::FlagInvalid));
letter->setLayer(NULL);
letter->update();
letter->forcedCalculateBorders();
// until 2.0.4.5:
//letterWidth = RS_Vector(letter->getSize().x, 0.0);
// from 2.0.4.6:
letterWidth = RS_Vector(letter->getMax().x-letterPos.x, 0.0);
if (letterWidth.x < 0)
letterWidth.x = -letterSpace.x;
oneLine->addEntity(letter);
// next letter position:
letterPos += letterWidth;
letterPos += letterSpace;
// }
}
break;
}
}
double tt = updateAddLine(oneLine, lineCounter);
if (data.valign == RS_MTextData::VABottom) {
RS_Vector ot = RS_Vector(0.0,-tt).rotate(data.angle);
RS_EntityContainer::move(ot);
}
usedTextHeight -= data.height*data.lineSpacingFactor*5.0/3.0
- data.height;
forcedCalculateBorders();
RS_DEBUG->print("RS_Text::update: OK");
}
/**
* Updates the Inserts (letters) of this text. Called when the
* text or it's data, position, alignment, .. changes.
* This method also updates the usedTextWidth / usedTextHeight property.
*/
void RS_Text::update() {
RS_DEBUG->print("RS_Text::update");
clear();
if (isUndone()) {
return;
}
usedTextWidth = 0.0;
usedTextHeight = 0.0;
RS_Font* font = RS_FONTLIST->requestFont(data.style);
if (font==NULL) {
return;
}
RS_Vector letterPos = RS_Vector(0.0, -9.0);
RS_Vector letterSpace = RS_Vector(font->getLetterSpacing(), 0.0);
RS_Vector space = RS_Vector(font->getWordSpacing(), 0.0);
// First every text line is created with
// alignement: top left
// angle: 0
// height: 9.0
// Rotation, scaling and centering is done later
// For every letter:
for (int i=0; i<(int)data.text.length(); ++i) {
// Space:
if (data.text.at(i).unicode() == 0x20) {
letterPos+=space;
} else {
// One Letter:
QString letterText = QString(data.text.at(i));
if (font->findLetter(letterText) == NULL) {
RS_DEBUG->print("RS_Text::update: missing font for letter( %s ), replaced it with QChar(0xfffd)",qPrintable(letterText));
letterText = QChar(0xfffd);
}
RS_DEBUG->print("RS_Text::update: insert a "
"letter at pos: %f/%f", letterPos.x, letterPos.y);
RS_InsertData d(letterText,
letterPos,
RS_Vector(1.0, 1.0),
0.0,
1,1, RS_Vector(0.0,0.0),
font->getLetterList(), RS2::NoUpdate);
RS_Insert* letter = new RS_Insert(this, d);
RS_Vector letterWidth;
letter->setPen(RS_Pen(RS2::FlagInvalid));
letter->setLayer(NULL);
letter->update();
letter->forcedCalculateBorders();
letterWidth = RS_Vector(letter->getMax().x-letterPos.x, 0.0);
if (letterWidth.x < 0)
letterWidth.x = -letterSpace.x;
// oneLine->addEntity(letter);
addEntity(letter);
// next letter position:
letterPos += letterWidth;
letterPos += letterSpace;
}
}
if( ! RS_EntityContainer::autoUpdateBorders) {
//only update borders when needed
forcedCalculateBorders();
}
RS_Vector textSize = getSize();
RS_DEBUG->print("RS_Text::updateAddLine: width 2: %f", textSize.x);
// Vertical Align:
double vSize = 9.0;
//HAAligned, HAFit, HAMiddle require VABaseline
if (data.halign == RS_TextData::HAAligned
|| data.halign == RS_TextData::HAFit
|| data.halign == RS_TextData::HAMiddle) {
data.valign = RS_TextData::VABaseline;
}
RS_Vector offset(0.0, 0.0);
switch (data.valign) {
case RS_TextData::VAMiddle:
offset.move(RS_Vector(0.0, vSize/2.0));
break;
case RS_TextData::VABottom:
offset.move(RS_Vector(0.0, vSize+3));
break;
case RS_TextData::VABaseline:
offset.move(RS_Vector(0.0, vSize));
break;
default:
break;
}
// Horizontal Align:
switch (data.halign) {
case RS_TextData::HAMiddle:{
offset.move(RS_Vector(-textSize.x/2.0, -(vSize + textSize.y/2.0 + getMin().y) ));
break;}
case RS_TextData::HACenter:
RS_DEBUG->print("RS_Text::updateAddLine: move by: %f", -textSize.x/2.0);
offset.move(RS_Vector(-textSize.x/2.0, 0.0));
break;
case RS_TextData::HARight:
offset.move(RS_Vector(-textSize.x, 0.0));
break;
default:
break;
}
if (data.halign!=RS_TextData::HAAligned && data.halign!=RS_TextData::HAFit){
data.secondPoint = RS_Vector(offset.x, offset.y - vSize);
}
RS_EntityContainer::move(offset);
// Scale:
if (data.halign==RS_TextData::HAAligned){
double dist = data.insertionPoint.distanceTo(data.secondPoint)/textSize.x;
data.height = vSize*dist;
RS_EntityContainer::scale(RS_Vector(0.0,0.0),
RS_Vector(dist, dist));
} else if (data.halign==RS_TextData::HAFit){
double dist = data.insertionPoint.distanceTo(data.secondPoint)/textSize.x;
RS_EntityContainer::scale(RS_Vector(0.0,0.0),
RS_Vector(dist, data.height/9.0));
} else {
RS_EntityContainer::scale(RS_Vector(0.0,0.0),
RS_Vector(data.height*data.widthRel/9.0, data.height/9.0));
data.secondPoint.scale(RS_Vector(0.0,0.0),
RS_Vector(data.height*data.widthRel/9.0, data.height/9.0));
}
forcedCalculateBorders();
// Update actual text size (before rotating, after scaling!):
usedTextWidth = getSize().x;
usedTextHeight = data.height;
// Rotate:
if (data.halign==RS_TextData::HAAligned || data.halign==RS_TextData::HAFit){
double angle = data.insertionPoint.angleTo(data.secondPoint);
data.angle = angle;
} else {
data.secondPoint.rotate(RS_Vector(0.0,0.0), data.angle);
data.secondPoint.move(data.insertionPoint);
}
RS_EntityContainer::rotate(RS_Vector(0.0,0.0), data.angle);
// Move to insertion point:
RS_EntityContainer::move(data.insertionPoint);
forcedCalculateBorders();
RS_DEBUG->print("RS_Text::update: OK");
}
