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moved word wrap function from Vertical Scroller into utils.

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moved MTG specific functions out of utils.cpp into AllAbilities
added word wrapping to descriptions while viewing deck information.
This commit is contained in:
techdragon.nguyen@gmail.com
2010-11-29 13:38:36 +00:00
parent 4badcc374f
commit 0c9f5cd558
8 changed files with 117 additions and 151 deletions
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49
projects/mtg/src/TextScroller.cpp
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@@ -96,7 +96,6 @@ TextScroller( fontId, x, y, width, scrollSpeed)
mHeight = height;
mNbItemsShown = numItemsShown;
mMarginX = 0;
mScrollerInitialized = false;
timer=0;
WFont *mFont = resources.GetWFont(fontId);
mOriginalY = mY;
@@ -109,7 +108,7 @@ TextScroller( fontId, x, y, width, scrollSpeed)
void VerticalTextScroller::Add( string text )
{
strings.push_back( text );
string wrappedText = wordWrap(text, mWidth);
string wrappedText = wordWrap(text, mWidth, fontId);
mText.append(wrappedText);
}
@@ -147,48 +146,4 @@ void VerticalTextScroller::Render()
{
WFont * mFont = resources.GetWFont(fontId);
mFont->DrawString(mText.c_str(), mX, mY);
}
// This is a customized word wrap based on pixel width. It tries it's best
// to wrap strings using spaces as delimiters.
// Not sure how this translates into non-english fonts.
std::string VerticalTextScroller::wordWrap(std::string sentence, float width)
{
WFont * mFont = resources.GetWFont(fontId);
float lineWidth = mFont->GetStringWidth( sentence.c_str() );
string retVal = sentence;
if ( lineWidth < width ) return sentence;
int numLines = 1;
int breakIdx = 0;
for( size_t idx = 0; idx < sentence.length(); idx ++ )
{
if ( sentence[idx] == ' ' )
{
string currentSentence = sentence.substr(breakIdx, idx - breakIdx);
float stringLength = mFont->GetStringWidth( currentSentence.c_str() );
if (stringLength >= width)
{
if ( stringLength > width )
{
while ( sentence[idx-1] != ' ' )
idx--;
}
retVal[idx-1] = '\n';
breakIdx = idx;
numLines++;
}
}
else if ( sentence[idx] == '\n' )
{
numLines++;
breakIdx = idx;
}
}
if ( numLines * mFont->GetHeight() > mHeight )
mScrollerInitialized = true;
return retVal;
}
}