public virtual AsSprite createSprite(float width, float height, String text, float fontSize, uint color, String hAlign, String vAlign, bool autoScale, bool kerning)
{
AsVector <AsCharLocation> charLocations = arrangeChars(width, height, text, fontSize, hAlign, vAlign, autoScale, kerning);
int numChars = (int)(charLocations.getLength());
AsSprite sprite = new AsSprite();
int i = 0;
for (; i < numChars; ++i)
{
AsCharLocation charLocation = charLocations[i];
AsImage _char = charLocation._char.createImage();
_char.setX(charLocation.x);
_char.setY(charLocation.y);
_char.setScaleX(_char.setScaleY(charLocation.scale));
_char.setColor(color);
sprite.addChild(_char);
}
return(sprite);
}
public virtual void fillQuadBatch(AsQuadBatch quadBatch, float width, float height, String text, float fontSize, uint color, String hAlign, String vAlign, bool autoScale, bool kerning)
{
AsVector <AsCharLocation> charLocations = arrangeChars(width, height, text, fontSize, hAlign, vAlign, autoScale, kerning);
int numChars = (int)(charLocations.getLength());
mHelperImage.setColor(color);
if (numChars > 8192)
{
throw new AsArgumentError("Bitmap Font text is limited to 8192 characters.");
}
int i = 0;
for (; i < numChars; ++i)
{
AsCharLocation charLocation = charLocations[i];
mHelperImage.setTexture(charLocation._char.getTexture());
mHelperImage.readjustSize();
mHelperImage.setX(charLocation.x);
mHelperImage.setY(charLocation.y);
mHelperImage.setScaleX(mHelperImage.setScaleY(charLocation.scale));
quadBatch.addImage(mHelperImage);
}
}
private AsVector <AsCharLocation> arrangeChars(float width, float height, String text, float fontSize, String hAlign, String vAlign, bool autoScale, bool kerning)
{
if (text == null || text.Length == 0)
{
return(new AsVector <AsCharLocation>());
}
if (fontSize < 0)
{
fontSize = fontSize * -mSize;
}
AsVector <AsVector <AsCharLocation> > lines = null;
bool finished = false;
AsCharLocation charLocation = null;
int numChars = 0;
float containerWidth = 0;
float containerHeight = 0;
float scale = 0;
while (!finished)
{
scale = fontSize / mSize;
containerWidth = width / scale;
containerHeight = height / scale;
lines = new AsVector <AsVector <AsCharLocation> >();
if (mLineHeight <= containerHeight)
{
int lastWhiteSpace = -1;
int lastCharID = -1;
float currentX = 0;
float currentY = 0;
AsVector <AsCharLocation> currentLine = new AsVector <AsCharLocation>();
numChars = text.Length;
int i = 0;
for (; i < numChars; ++i)
{
bool lineFull = false;
int charID = (int)(AsString.charCodeAt(text, i));
AsBitmapChar _char = getChar(charID);
if (charID == CHAR_NEWLINE || charID == CHAR_CARRIAGE_RETURN)
{
lineFull = true;
}
else
{
if (_char == null)
{
AsGlobal.trace("[Starling] Missing character: " + charID);
}
else
{
if (charID == CHAR_SPACE || charID == CHAR_TAB)
{
lastWhiteSpace = i;
}
if (kerning)
{
currentX = currentX + _char.getKerning(lastCharID);
}
charLocation = mCharLocationPool.getLength() != 0 ? mCharLocationPool.pop() : new AsCharLocation(_char);
charLocation._char = _char;
charLocation.x = currentX + _char.getXOffset();
charLocation.y = currentY + _char.getYOffset();
currentLine.push(charLocation);
currentX = currentX + _char.getXAdvance();
lastCharID = charID;
if (currentLine.getLength() == 1)
{
currentX = currentX - _char.getXOffset();
charLocation.x = charLocation.x - _char.getXOffset();
}
if (charLocation.x + _char.getWidth() > containerWidth)
{
int numCharsToRemove = lastWhiteSpace == -1 ? 1 : i - lastWhiteSpace;
int removeIndex = (int)(currentLine.getLength() - numCharsToRemove);
currentLine.splice(removeIndex, (uint)(numCharsToRemove));
if (currentLine.getLength() == 0)
{
break;
}
i = i - numCharsToRemove;
lineFull = true;
}
}
}
if (i == numChars - 1)
{
lines.push(currentLine);
finished = true;
}
else
{
if (lineFull)
{
lines.push(currentLine);
if (lastWhiteSpace == i)
{
currentLine.pop();
}
if (currentY + 2 * mLineHeight <= containerHeight)
{
currentLine = new AsVector <AsCharLocation>();
currentX = 0;
currentY = currentY + mLineHeight;
lastWhiteSpace = -1;
lastCharID = -1;
}
else
{
break;
}
}
}
}
}
if (autoScale && !finished)
{
fontSize = fontSize - 1;
lines.setLength(0);
}
else
{
finished = true;
}
}
AsVector <AsCharLocation> finalLocations = new AsVector <AsCharLocation>();
int numLines = (int)(lines.getLength());
float bottom = currentY + mLineHeight;
int yOffset = 0;
if (vAlign == AsVAlign.BOTTOM)
{
yOffset = (int)(containerHeight - bottom);
}
else
{
if (vAlign == AsVAlign.CENTER)
{
yOffset = (int)((containerHeight - bottom) / 2);
}
}
int lineID = 0;
for (; lineID < numLines; ++lineID)
{
AsVector <AsCharLocation> line = lines[lineID];
numChars = (int)(line.getLength());
if (numChars == 0)
{
continue;
}
AsCharLocation lastLocation = line[line.getLength() - 1];
float right = lastLocation.x + lastLocation._char.getWidth();
int xOffset = 0;
if (hAlign == AsHAlign.RIGHT)
{
xOffset = (int)(containerWidth - right);
}
else
{
if (hAlign == AsHAlign.CENTER)
{
xOffset = (int)((containerWidth - right) / 2);
}
}
int c = 0;
for (; c < numChars; ++c)
{
charLocation = line[c];
charLocation.x = scale * (charLocation.x + xOffset);
charLocation.y = scale * (charLocation.y + yOffset);
charLocation.scale = scale;
if (charLocation._char.getWidth() > 0 && charLocation._char.getHeight() > 0)
{
finalLocations.push(charLocation);
}
mCharLocationPool.push(charLocation);
}
}
return(finalLocations);
}
