/**
* Process this text Token to optimize tokens and evaluate the token bounding box.
*
* @param g Graphics to get the font metrics.
* @param text Text to add to the current textTokan.
* @param textTok Current TextToken.
* @param isText True if the previous textToken was a Text Token so we can merge it with this.
*/
private void updateText(Graphics g, String text, TextToken textTok, boolean isText) {
// The text exists!
if (text.length() > 0) {
FontMetrics fm = g.getFontMetrics();
int a = fm.getAscent(), d = fm.getDescent(), w = fm.stringWidth(text), h = fm.getHeight();
// The previous token was a text too so we must merge it with this new one.
if (isText) {
textTok = (TextToken) m_tokens.lastElement();
textTok.m_text += text;
textTok.m_bounds.width += w;
if (textTok.m_bounds.height < h) textTok.m_bounds.height = h;
}
// The previous token was a formating one.
else {
m_tokens.addElement(textTok);
textTok.m_text = text;
textTok.m_bounds = new Rectangle(0, 0, w, h);
}
if (a > m_body.m_aMax) m_body.m_aMax = a;
if (d > m_body.m_dMax) m_body.m_dMax = d;
m_wCur += w;
}
}
/**
* Creates a new TextToken by parsing a pseudo-HTML tag.
*
* @param g Graphics used to retrieve the font metric.
* @param tag A pseudo HTML tag without '<' and '>'.
* @return a new TextToken initialized according to the tag.
*/
private TextToken updateTag(Graphics g, String tag) {
String tempTag;
TextToken textTok = null;
char begChar;
if (tag.length() > 0) {
tag = tag.toLowerCase();
begChar = tag.charAt(0);
// End of Tag, we returns except for the case </p>
if (begChar == '/') {
char nxtChar = tag.charAt(1);
tempTag = (String) m_heap.lastElement();
if (tempTag.charAt(0) == nxtChar) // ! very simple verification !
{
textTok = closeTag(g, tempTag);
if (nxtChar != 'p') return textTok;
} else {
System.out.println("[updateTag] no corresponding opened Tag : " + tag);
return null;
}
}
FormatToken prevTok = m_curTok;
Insets prevMrg = prevTok.m_margin, margin = m_body.m_margin;
int flags = m_body.m_flags,
width = m_wCur + (prevMrg != null ? prevMrg.left + prevMrg.right : 0);
// Start of Tag + </p>
if (tag.equals("br") || begChar == 'p' || tag.equals("/p")) {
if (tag.equals("br")) {
if (prevMrg != null) margin = prevMrg;
flags = prevTok.m_flags;
}
// We specify new margins
if (begChar == 'p') {
String alignStr = readAtt(tag, "a");
if (alignStr != null) {
char align = Character.toLowerCase(alignStr.charAt(0));
flags = align == 'r' ? RIGHT_BIT : (align == 'c' ? CENTER_BIT : 0);
}
margin = readMargin(tag);
if (tag.length() > 1 && alignStr == null && margin == null) {
flags = m_body.m_flags;
System.out.println("[updateTag] syntax error Tag : " + tag);
return null;
} else {
m_heap.addElement(tag);
}
}
// update pr�vious format Token
prevTok.m_aMax = m_body.m_aMax;
prevTok.m_dMax = m_body.m_dMax;
prevTok.m_width = width;
// reset current vars
m_body.m_aMax = 0;
m_body.m_dMax = 0;
m_wCur = 0;
// Stores the max width of all lines including its margins
if (width > m_body.m_width) m_body.m_width = width;
m_curTok = new FormatToken();
m_curTok.m_flags = flags;
m_curTok.m_margin = margin == null ? m_body.m_margin : margin;
m_tokens.addElement(m_curTok);
textTok = new TextToken();
textTok.m_color = new Color(m_color);
textTok.m_font = new Font(m_name, m_style, m_size);
} else if (isGfx(begChar)) {
textTok = updateGfx(g, tag);
m_heap.addElement(tag);
} else {
System.out.println("[updateTag] Unknown Tag : " + tag);
textTok = null;
}
}
return textTok;
}
