BitmapGlyphLayoutTpl(BitmapGlyphLayoutTpl&& tmp)
: _parent(tmp._parent)
, _font(std::move(tmp._font))
, _data(std::move(tmp._data))
, _pages(std::move(tmp._pages)) {
tmp._data._storage = nullptr;
assert(_is_ok());
}
BitmapGlyphLayoutTpl(const BitmapGlyphLayoutTpl& other)
: _parent(other._parent)
, _font(other._font)
, _data(other._data._capacity)
, _pages(other._pages) {
BitmapGlyphAllocateLayoutData(_parent, _data);
assert(_is_ok());
}
BitmapGlyphLayoutTpl(
BitmapGlyphRenderingBase& parent,
const BitmapFont& font,
SizeType max_len)
: _parent(parent)
, _font(font)
, _data(max_len) {
BitmapGlyphAllocateLayoutData(_parent, _data);
assert(_is_ok());
}
void Set(const CodePoint* cps, SizeType size) {
assert(_is_ok());
assert(size <= Capacity());
// update the list of referenced font pages
_pages.clear();
for(GLsizei cp = 0; cp != size; ++cp) {
GLuint page = BitmapGlyphPageOfCP(_parent, cps[cp]);
auto i = _pages.begin(), e = _pages.end();
if(std::find(i, e, page) == e) {
_pages.push_back(page);
}
}
_font._essence->LoadPages(_pages.data(), _pages.size());
// initialize the layout data
BitmapGlyphInitializeLayoutData(_parent, _data, _font, cps, size);
}
// Swaps the specified page into a frame
// Use only if the page is not already swapped in
void SwapPageIn(GLint frame, GLint page)
{
assert(_is_ok());
_replace_page(frame, page);
assert(_frames_consistent());
}
void Update(void)
{
assert(_is_ok());
for(auto i=_ages.begin(), e=_ages.end(); i!=e; ++i)
*i >>= 1;
}
std::size_t FrameCount(void) const
{
assert(_is_ok());
return _frames.size();
}
