110 lines
3.4 KiB
C++
110 lines
3.4 KiB
C++
/*
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Moonfall Copyright (C) 2008 Alex Yatskov
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "Pch.h"
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#include "FontManifest.h"
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#include "Font.h"
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bool FontManifest::LoadManifest(const char* filename)
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{
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const boost::shared_ptr<const Buffer> buffer = System::LoadFile(filename);
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if (!buffer)
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{
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TRACE_ERROR(boost::format("Cannot load font manifest file %s") % filename);
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return false;
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}
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TiXmlDocument document;
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if (!document.Parse(static_cast<const char*>(buffer->Get())))
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{
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TRACE_ERROR(boost::format("Cannot parse font manifest file %s") % filename);
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return false;
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}
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const TiXmlElement* rootElement = document.RootElement();
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if (rootElement == NULL || strcmp(rootElement->Value(), "Manifest") != 0)
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{
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return false;
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}
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for (const TiXmlElement* baseElement = rootElement->FirstChildElement(); baseElement != NULL; baseElement = baseElement->NextSiblingElement())
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{
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if (strcmp(baseElement->Value(), "Font") != 0)
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{
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continue;
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}
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const char* asset = baseElement->Attribute("asset");
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const char* alias = baseElement->Attribute("alias");
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if (asset == NULL || alias == NULL)
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{
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TRACE_WARNING("Font definition is missing required fields");
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continue;
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}
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if (m_manifest.find(alias) != m_manifest.end())
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{
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TRACE_WARNING(boost::format("Duplicate Font %s") % alias);
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continue;
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}
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int red = 0xff;
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baseElement->QueryIntAttribute("red", &red);
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int green = 0xff;
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baseElement->QueryIntAttribute("green", &green);
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int blue = 0xff;
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baseElement->QueryIntAttribute("blue", &blue);
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int size = 16;
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baseElement->QueryIntAttribute("size", &size);
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m_manifest.insert(std::make_pair(alias, FontEntry(asset, Color4b(red, green, blue, 0xff), size)));
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}
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return true;
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}
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void FontManifest::ClearManifest()
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{
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m_manifest.clear();
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}
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boost::shared_ptr<Font> FontManifest::LoadFont(const char* fontAlias) const
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{
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const FontMap::const_iterator iter = m_manifest.find(fontAlias);
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if (iter == m_manifest.end())
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{
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TRACE_ERROR(boost::format("Cannot load font %s") % fontAlias);
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return boost::shared_ptr<Font>();
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}
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const char* filename = iter->second.filename.c_str();
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const boost::shared_ptr<const Buffer> buffer = System::LoadFile(filename);
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if (!buffer)
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{
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TRACE_ERROR(boost::format("Cannot load font from file %s") % filename);
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return boost::shared_ptr<Font>();
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}
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SDL_RWops* memory = SDL_RWFromConstMem(buffer->Get(), buffer->GetSize());
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SDL_RWwrite(memory, buffer->Get(), 1, buffer->GetSize());
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boost::shared_ptr<Font> font(new Font(TTF_OpenFontRW(memory, 0, iter->second.size), iter->second.color));
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return font;
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}
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