merge total remake

src/framework/graphics/fontmanager.cpp

@@ -0,0 +1,69 @@
+#include "fontmanager.h"
+
+#include <core/resourcemanager.h>
+#include <otml/otml.h>
+
+FontManager g_fonts;
+
+void FontManager::releaseFonts()
+{
+    m_defaultFont.reset();
+    m_fonts.clear();
+}
+
+bool FontManager::importFont(std::string fontFile)
+{
+    try {
+        if(!boost::ends_with(fontFile, ".otfont"))
+            fontFile += ".otfont";
+
+        OTMLDocumentPtr doc = OTMLDocument::parse(fontFile);
+        OTMLNodePtr fontNode = doc->at("Font");
+
+        std::string name = fontNode->readAt<std::string>("name");
+        if(fontExists(name))
+            throw OTMLException(fontNode, "a font with the same name is already imported, did you duplicate font names?");
+
+        FontPtr font(new Font(name));
+        font->load(fontNode);
+        m_fonts.push_back(font);
+
+        // set as default if needed
+        if(!m_defaultFont)
+            m_defaultFont = font;
+
+        return true;
+    } catch(std::exception& e) {
+        logError("ERROR: could not load font '", fontFile, "': ", e.what());
+        return false;
+    }
+}
+
+bool FontManager::fontExists(const std::string& fontName)
+{
+    for(const FontPtr& font : m_fonts) {
+        if(font->getName() == fontName)
+            return true;
+    }
+    return false;
+}
+
+FontPtr FontManager::getFont(const std::string& fontName)
+{
+    // find font by name
+    for(const FontPtr& font : m_fonts) {
+        if(font->getName() == fontName)
+            return font;
+    }
+
+    // when not found, fallback to default font
+    return getDefaultFont();
+}
+
+FontPtr FontManager::getDefaultFont()
+{
+    // default font should always exists, otherwise the app may crash
+    if(!m_defaultFont)
+        throw std::runtime_error("no default font to display, cannot continue to run");
+    return m_defaultFont;
+}