ofRectangle ofxFontStash::drawMultiLineColumn( string & text, float size, float x, float y,
float maxW, int &numLines, bool dontDraw, int maxLines,
bool giveBackNewLinedText, bool* wordsWereTruncated){
ofRectangle totalArea = ofRectangle(x,y,0,0);
if(wordsWereTruncated){
*wordsWereTruncated = false;
}
if (stash != NULL){
numLines = 0;
if(!dontDraw){
glPushMatrix();
glTranslatef(x, y, 0.0f);
}
//ofLine(0, 0, maxW, 0);
vector<string>splitLines;
ofRectangle r;
//ofUTF8Ptr start = ofUTF8::beginPtr(text);
ofUTF8Ptr iter = ofUTF8::beginPtr(text);
ofUTF8Ptr lineStart = iter;
ofUTF8Ptr lastSpace;
ofUTF8Ptr stop = ofUTF8::endPtr(text);
string thisLine = "";
bool foundSpace = false;
bool foundNewLine = false;
while(iter < stop) {
ofUniChar c = ofUTF8::getNext(iter); // get the next unichar and iterate
if ( ofUnicode::isSpace(c) ){
foundSpace = true;
lastSpace = iter;
}
if ( ofTextConverter::toUTF8(c) == "\n" ){
foundNewLine = true;
}
thisLine += ofTextConverter::toUTF8(c);
r = getBBox(thisLine.c_str(), size, 0,0);
if ( r.width > maxW || foundNewLine ) { //we went too far, lets jump back to our closest space
if(foundNewLine){
if (thisLine == "\n"){ //if the whole line is only \n, replace with a space to avoid weird things
thisLine = " ";
}else{ //otherwise remove the "\n"
thisLine = thisLine.substr(0, thisLine.length()-1);
}
splitLines.push_back(thisLine);
}else{
if (foundSpace){
//cout << "## foundSpace! (" << thisLine << ")" << endl;
string finalLine = walkAndFill(lineStart, iter, lastSpace);
splitLines.push_back(finalLine);
iter = lastSpace;
}else{
//cout << "## no Space! (" << thisLine << ")" << endl;
splitLines.push_back(thisLine);
if(wordsWereTruncated){
*wordsWereTruncated = true;
}
}
}
//reset counter vars
lineStart = iter;
r.width = 0;
thisLine = "";
foundSpace = foundNewLine = false;
}else{
if(iter == stop){ //last line!
string finalLine = walkAndFill(lineStart, iter, stop);
splitLines.push_back(finalLine);
break;
}
}
}
if(!dontDraw) beginBatch();
numLines = splitLines.size();
int linesToDraw = 0;
if (maxLines > 0 ){
linesToDraw = MIN(splitLines.size(), maxLines);
numLines = splitLines.size();
}
for(int i = 0; i < linesToDraw; i++){
float yy = lineHeight * OFX_FONT_STASH_LINE_HEIGHT_MULT * size * i;
if(!dontDraw){
ofPushMatrix();
ofTranslate(0, yy);
drawBatch(splitLines[i], size, 0, 0 );
ofPopMatrix();
}
#if OF_VERSION_MAJOR == 0 && OF_VERSION_MINOR == 8
totalArea = totalArea.getUnion( getBBox(splitLines[i], size, x, y + yy));
#else
totalArea = getBBox(splitLines[i], size, x, y + yy); //TODO!
#endif
}
if(!dontDraw){
endBatch();
glPopMatrix();
}
//return through reference the edited text (with newLines!)
if(giveBackNewLinedText){
text = "";
for (int i = 0; i < numLines; i++){
text += splitLines[i];
if (i != numLines-1) text += "\n";
}
}
}else{
ofLogError("ofxFontStash", "can't drawMultiLine() without having been setup first!");
}
return totalArea;
}
ofRectangle ofxFontStash::drawMultiLineColumn( string & _text, float size, float x, float y,
float maxW, int &numLines, bool dontDraw, int maxLines,
bool giveBackNewLinedText, bool* wordsWereTruncated){
string text = _text;
if (!utf8::is_valid(text.begin(), text.end())){
text = LocaleToUtf8(text);
}
ofRectangle totalArea = ofRectangle(x,y,0,0);
if(wordsWereTruncated){
*wordsWereTruncated = false;
}
if (stash != NULL){
numLines = 0;
if(!dontDraw){
glPushMatrix();
glTranslatef(x, y, 0.0f);
}
//ofLine(0, 0, maxW, 0);
vector<string>splitLines;
ofRectangle r;
const char * iter = text.c_str();
const char * lineStart = iter;
const char * lastSpace;
const char * stop = text.c_str() + text.length();
string thisLine = "";
bool foundSpace = false;
bool foundNewLine = false;
while(iter < stop) {
unsigned int c = utf8::unchecked::next(iter); // get the next unichar and iterate
if ( isSpace(c) ){
foundSpace = true;
lastSpace = iter;
}
if ( toUTF8(c) == "\n" ){
foundNewLine = true;
}
thisLine += toUTF8(c);
r = getBBox(thisLine.c_str(), size, 0,0);
if ( r.width > maxW || foundNewLine ) { //we went too far, lets jump back to our closest space
if(foundNewLine){
if (thisLine == "\n"){ //if the whole line is only \n, replace with a space to avoid weird things
thisLine = " ";
}else{ //otherwise remove the "\n"
thisLine = thisLine.substr(0, thisLine.length()-1);
}
splitLines.push_back(thisLine);
}else{
if (foundSpace){
string finalLine = walkAndFill(lineStart, iter, lastSpace);
splitLines.push_back(finalLine);
// Edge case where if max width is met and first character is space
if(!(utf8::unchecked::next(lineStart) == 0x20)){
iter = lastSpace;
}
}else{
splitLines.push_back(thisLine);
if(wordsWereTruncated){
*wordsWereTruncated = true;
}
}
}
//reset counter vars
lineStart = iter;
r.width = 0;
thisLine = "";
foundSpace = foundNewLine = false;
}else{
if(iter == stop){ //last line!
string finalLine = walkAndFill(lineStart, iter, stop);
splitLines.push_back(finalLine);
break;
}
}
}
if(!dontDraw) beginBatch();
numLines = splitLines.size();
int linesToDraw = 0;
if (maxLines > 0 ){
linesToDraw = MIN(splitLines.size(), maxLines);
numLines = splitLines.size();
}else{
linesToDraw = splitLines.size();
}
for(int i = 0; i < linesToDraw; i++){
float yy = lineHeight * OFX_FONT_STASH_LINE_HEIGHT_MULT * size * i;
if(!dontDraw){
ofPushMatrix();
ofTranslate(0, yy);
drawBatch(splitLines[i], size, 0, 0 );
ofPopMatrix();
}
#if OF_VERSION_MAJOR == 0 && OF_VERSION_MINOR >= 8
totalArea = totalArea.getUnion( getBBox(splitLines[i], size, x, y + yy));
#else
totalArea = getBBox(splitLines[i], size, x, y + yy); //TODO!
#endif
}
if(!dontDraw){
endBatch();
glPopMatrix();
}
//return through reference the edited text (with newLines!)
if(giveBackNewLinedText){
text = "";
for (int i = 0; i < numLines; i++){
if (i < maxLines || maxLines == 0){
text += splitLines[i];
if (i != numLines-1) text += "\n";
}
}
}
}else{
ofLogError("ofxFontStash") << "can't draw() without having been setup first!";
}
return totalArea;
}
