97 lines
2.7 KiB
Text
97 lines
2.7 KiB
Text
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/**
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* PANDA 3D SOFTWARE
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* Copyright (c) Carnegie Mellon University. All rights reserved.
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*
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* All use of this software is subject to the terms of the revised BSD
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* license. You should have received a copy of this license along
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* with this source code in a file named "LICENSE."
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*
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* @file fontPool.I
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* @author drose
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* @date 2003-01-31
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*/
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/**
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* Returns true if the font has ever been loaded, false otherwise.
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*/
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INLINE bool FontPool::
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has_font(const std::string &filename) {
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return get_ptr()->ns_has_font(filename);
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}
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/**
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* Loads the given filename up into a font, if it has not already been loaded,
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* and returns true to indicate success, or false to indicate failure. If
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* this returns true, it is guaranteed that a subsequent call to load_font()
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* with the same font name will return a valid Font pointer.
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*/
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INLINE bool FontPool::
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verify_font(const std::string &filename) {
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return load_font(filename) != nullptr;
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}
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/**
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* Loads the given filename up into a font, if it has not already been loaded,
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* and returns the new font. If a font with the same filename was previously
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* loaded, returns that one instead. If the font file cannot be found,
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* returns NULL.
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*/
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INLINE TextFont *FontPool::
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load_font(const std::string &filename) {
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return get_ptr()->ns_load_font(filename);
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}
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/**
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* Adds the indicated already-loaded font to the pool. The font will always
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* replace any previously-loaded font in the pool that had the same filename.
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*/
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INLINE void FontPool::
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add_font(const std::string &filename, TextFont *font) {
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get_ptr()->ns_add_font(filename, font);
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}
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/**
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* Removes the indicated font from the pool, indicating it will never be
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* loaded again; the font may then be freed. If this function is never
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* called, a reference count will be maintained on every font every loaded,
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* and fonts will never be freed.
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*/
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INLINE void FontPool::
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release_font(const std::string &filename) {
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get_ptr()->ns_release_font(filename);
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}
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/**
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* Releases all fonts in the pool and restores the pool to the empty state.
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*/
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INLINE void FontPool::
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release_all_fonts() {
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get_ptr()->ns_release_all_fonts();
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}
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/**
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* Releases only those fonts in the pool that have a reference count of
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* exactly 1; i.e. only those fonts that are not being used outside of the
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* pool. Returns the number of fonts released.
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*/
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INLINE int FontPool::
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garbage_collect() {
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return get_ptr()->ns_garbage_collect();
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}
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/**
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* Lists the contents of the font pool to the indicated output stream.
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*/
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INLINE void FontPool::
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list_contents(std::ostream &out) {
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get_ptr()->ns_list_contents(out);
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}
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/**
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* The constructor is not intended to be called directly; there's only
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* supposed to be one FontPool in the universe and it constructs itself.
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*/
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INLINE FontPool::
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FontPool() {
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}
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