Rect Font::calculateRectOfIndex(int index, const char *str, const Rect& bound) const {
int line = calculateLine(index, str, bound);
int lineBreak = 0;
if(line>0)
lineBreak = getLineBreak(line-1, str, bound);
MAPoint2d cursor = {0, 0};
cursor.y+=line*mCharset->lineHeight;
MAExtent lineRect = getStringDimensions(&str[lineBreak], index-lineBreak);
cursor.x+=EXTENT_X(lineRect);
MAExtent charRect = getStringDimensions(&str[index], 1);
return Rect(cursor.x, cursor.y, EXTENT_X(charRect), mCharset->lineHeight);
}
void CFont::printProportional(float widthRatio, float heightRatio,
float width, float height,
float r, float g, float b,
const String &string)
{
Tuple4i viewport;
if (!string.getLength())
return;
glGetIntegerv(GL_VIEWPORT, viewport);
Tuple2i dimensions = getStringDimensions(string);
float xPosition = (viewport.z - dimensions.x*width)*widthRatio,
yPosition = (viewport.w - dimensions.y*height)*heightRatio;
print(xPosition, yPosition, width, height, r, g, b, string);
}
