106 lines
2.4 KiB
C++
Executable File
106 lines
2.4 KiB
C++
Executable File
#include "precompiled.h"
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#include "NPFontManager.h"
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#include "NPFont.h"
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#include <algorithm>
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#include <cassert>
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// the sole instance of the NPFontManager
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NPFontManager* NPFontManager::_instance=0;
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///////////////////////////////////////////////////////////////////////////////
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// instance: return the sole font manager instance
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NPFontManager& NPFontManager::instance()
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{
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if (!_instance) {
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_instance=new NPFontManager;
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}
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return *_instance;
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}
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///////////////////////////////////////////////////////////////////////////////
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// NPFontManager constructor (hidden); access available only through instance()
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NPFontManager::NPFontManager()
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{
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}
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///////////////////////////////////////////////////////////////////////////////
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// NPFontManager destructor
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NPFontManager::~NPFontManager()
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{
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// delete all collected fonts
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for (uint i=0;i<_fonts.size();++i) {
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delete _fonts[i];
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}
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}
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///////////////////////////////////////////////////////////////////////////////
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// release this font manager
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void NPFontManager::release()
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{
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if (_instance) {
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delete _instance;
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_instance=0;
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}
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}
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///////////////////////////////////////////////////////////////////////////////
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// add a font; return the created font, or 0 if not found
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NPFont* NPFontManager::add(const char* name)
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{
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// try and find font first
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NPFont* font=find(name);
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if (font) {
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// ok - already got this font, return it
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return font;
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}
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// try and create font
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font=NPFont::create(name);
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if (font) {
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// success - add to list
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_fonts.push_back(font);
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return font;
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} else {
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// mark as bad? just return failure for the moment
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return 0;
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}
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}
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///////////////////////////////////////////////////////////////////////////////
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// remove a font
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bool NPFontManager::remove(const char* name)
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{
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// try and find font first
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NPFont* font=find(name);
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if (!font) {
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// font not present ..
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return false;
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} else {
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typedef std::vector<NPFont*>::iterator Iter;
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Iter iter=std::find(_fonts.begin(),_fonts.end(),font);
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debug_assert(iter != _fonts.end());
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_fonts.erase(iter);
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}
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return true;
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}
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///////////////////////////////////////////////////////////////////////////////
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// find a font (return 0 if not found)
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NPFont* NPFontManager::find(const char* name)
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{
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// scan through font list checking names
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for (uint i=0;i<_fonts.size();++i) {
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NPFont* font=_fonts[i];
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if (strcmp(name,font->name())==0) {
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return font;
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}
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}
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// got this far, font not found
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return 0;
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}
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