void VStrut::request(Requisition& requisition) const {
Coord height = ascent_ + descent_;
Requirement rx(natural_, stretch_, shrink_, 0);
Requirement ry(height, 0, 0, (height == 0) ? 0 : descent_ / height);
requisition.require(Dimension_X, rx);
requisition.require(Dimension_Y, ry);
}
void HStrut::request(Requisition& requisition) const {
Coord width = left_bearing_ + right_bearing_;
Requirement rx(width, 0, 0, (width == 0) ? 0 : left_bearing_ / width);
Requirement ry(natural_, stretch_, shrink_, 0);
requisition.require(Dimension_X, rx);
requisition.require(Dimension_Y, ry);
}
void TextLine::request(Requisition& requisition) const
{
FontBoundingBox fbb;
font_->font_bbox(fbb);
Text::request(requisition);
Requirement ry(fbb.ascent() + fbb.descent(), 0, 0, 0);
requisition.require(Dimension_Y, ry);
}
void Text::request(Requisition& requisition) const
{
FontBoundingBox fbb;
font_->font_bbox(fbb);
Requirement rx(width(' ') * initialColumns_, fil,
width(' ') * (initialColumns_ - 1), 0);
Requirement ry((fbb.ascent() + fbb.descent()) * initialLines_, fil,
(fbb.ascent() + fbb.descent()) * (initialLines_ - 1), 0);
requisition.require(Dimension_X, rx);
requisition.require(Dimension_Y, ry);
}
void Character::request(Requisition& requisition) const {
Requirement rx(width_, 0, 0, 0);
Requirement ry(height_, 0, 0, alignment_);
requisition.require(Dimension_X, rx);
requisition.require(Dimension_Y, ry);
}
void Rule::request(Requisition& req) const {
Requirement r(thickness_, 0, 0, 0);
req.require(dimension_, r);
}
void Slider::request(Requisition& req) const {
Requirement default_size(22.0, fil, 22.0, 0.0);
req.require(Dimension_X, default_size);
req.require(Dimension_Y, default_size);
}
void Strut::request(Requisition& requisition) const {
Requirement rx(natural_, stretch_, shrink_, 0);
Requirement ry(height_, 0, 0, alignment_);
requisition.require(Dimension_X, rx);
requisition.require(Dimension_Y, ry);
}
void Space::request(Requisition& requisition) const {
Requirement rx(width_, width_*4, width_/3, 0);
Requirement ry(height_, 0, 0, alignment_);
requisition.require(Dimension_X, rx);
requisition.require(Dimension_Y, ry);
}
