///////////////////////////////////////////////////////////////////////////////
/// \brief Recalculates the data necessary to draw the label.
void UILabel::calculateTextTransform_()
{
if (!(view_ && font_))
return;
vec2 extra_space(getDimensions());
extra_space -= vec2(font_->calculateTextWidth(text_) * text_scale_.x, font_->getCapHeight() * text_scale_.y);
extra_space *= 0.5f;
I32 bottom_spacing = I32(extra_space.y);
I32 left_spacing = I32(extra_space.x);
if (align_ == AlignLeft)
left_spacing = 0;
if (align_ == AlignRight)
left_spacing *= 2;
vec3 translation(getPosition(), 0);
translation.y += getDimensions().y - bottom_spacing;
translation.x += left_spacing;
text_transform_ = glm::scale(glm::translate(*view_, translation), vec3(text_scale_.x, -text_scale_.y, 1));
text_transform_valid_ = true;
}
void tex::app_space ()
{
ptr p, q;
if (space_factor >= 2000 && xspace_skip != zero_glue) {
q = new_param_glue(XSPACE_SKIP_CODE);
}
else {
if (space_skip != zero_glue) {
p = space_skip;
}
else {
p = find_font_glue(cur_font);
}
p = new_spec(p);
if (space_factor >= 2000)
glue_width(p) += extra_space(cur_font);
stretch(p) = xn_over_d(stretch(p), space_factor, 1000);
shrink(p) = xn_over_d(shrink(p), 1000L, space_factor);
q = new_glue(p);
glue_ref_count(p) = 0;
}
tail_append(q);
}
