implemented "direction:vertical" support, also for symbols

git-svn-id: svn://svn.code.sf.net/p/magicseteditor/code/trunk@269 0fc631ac-6414-0410-93d0-97cfa31319b6

src/render/text/element.hpp

@@ -31,7 +31,8 @@ enum DrawWhat
 
 /// Information on a linebreak
 enum LineBreak
-{	BREAK_NO		// no line break
+{	BREAK_NO		// no line break ever
+,	BREAK_MAYBE		// break here when in "direction:vertical" mode
 ,	BREAK_SOFT		// optional line break (' ')
 ,	BREAK_HARD		// always a line break ('\n')
 ,	BREAK_LINE		// line break with a separator line (<line>)
@@ -42,7 +43,7 @@ struct CharInfo {
 	RealSize  size;
 	LineBreak break_after;
 	
-	inline CharInfo(RealSize size, LineBreak break_after = BREAK_NO) : size(size), break_after(break_after) {}
+	inline CharInfo(RealSize size, LineBreak break_after) : size(size), break_after(break_after) {}
 };
 
 /// A section of text that can be rendered using a TextViewer

src/render/text/font.cpp

@@ -38,7 +38,7 @@ void FontTextElement::getCharInfo(RotatedDC& dc, double scale, vector<CharInfo>&
 		RealSize s = dc.GetTextExtent(content.substr(start - this->start, i - start + 1));
 		out.push_back(CharInfo(RealSize(s.width - prev_width, s.height),
 						c == _('\n') ? break_style :
-						c == _(' ')  ? BREAK_SOFT : BREAK_NO
+						c == _(' ')  ? BREAK_SOFT : BREAK_MAYBE
 		             ));
 		prev_width = s.width;
 	}

src/render/text/viewer.cpp

@@ -410,6 +410,11 @@ bool TextViewer::prepareLinesScale(RotatedDC& dc, const vector<CharInfo>& chars,
 		} else if (c.break_after == BREAK_SOFT && style.field().multi_line) {
 			// Soft break == end of word
 			accept_word = true;
+		} else if (c.break_after == BREAK_MAYBE && style.direction == TOP_TO_BOTTOM) {
+			break_now   = true;
+			accept_word = true;
+			hide_breaker = false;
+			line_height_multiplier = style.line_height_soft;
 		}
 		// Add size of the character
 		word_size = add_horizontal(word_size, c.size);