C++ Theme::addRef方法代码示例

static int lua_Theme_addRef(lua_State* state)
{
    // Get the number of parameters.
    int paramCount = lua_gettop(state);

    // Attempt to match the parameters to a valid binding.
    switch (paramCount)
    {
        case 1:
        {
            if ((lua_type(state, 1) == LUA_TUSERDATA))
            {
                Theme* instance = getInstance(state);
                instance->addRef();
                
                return 0;
            }

            lua_pushstring(state, "lua_Theme_addRef - Failed to match the given parameters to a valid function signature.");
            lua_error(state);
            break;
        }
        default:
        {
            lua_pushstring(state, "Invalid number of parameters (expected 1).");
            lua_error(state);
            break;
        }
    }
    return 0;
}

Theme* Theme::create(const char* url)
{
    GP_ASSERT(url);

    // Search theme cache first.
    for (size_t i = 0, count = __themeCache.size(); i < count; ++i)
    {
        Theme* t = __themeCache[i];
        if (t->_url == url)
        {
            // Found a match.
            t->addRef();

            return t;
        }
    }

    // Load theme properties from file path.
    Properties* properties = Properties::create(url);
    GP_ASSERT(properties);
    if (properties == NULL)
    {
        return NULL;
    }

    // Check if the Properties is valid and has a valid namespace.
    Properties* themeProperties = (strlen(properties->getNamespace()) > 0) ? properties : properties->getNextNamespace();
    GP_ASSERT(themeProperties);
    if (!themeProperties || !(strcmp(themeProperties->getNamespace(), "theme") == 0))
    {
        SAFE_DELETE(properties);
        return NULL;
    }

    // Create a new theme.
    Theme* theme = new Theme();
    theme->_url = url;
        
    // Parse the Properties object and set up the theme.
    const char* textureFile = themeProperties->getString("texture");
    theme->_texture = Texture::create(textureFile, false);
    GP_ASSERT(theme->_texture);
    theme->_spriteBatch = SpriteBatch::create(theme->_texture);
    GP_ASSERT(theme->_spriteBatch);
    theme->_spriteBatch->getSampler()->setFilterMode(Texture::NEAREST, Texture::NEAREST);

    float tw = 1.0f / theme->_texture->getWidth();
    float th = 1.0f / theme->_texture->getHeight();

    Properties* space = themeProperties->getNextNamespace();
    while (space != NULL)
    {
        // First load all cursors, checkboxes etc. that can be referred to by styles.
        const char* spacename = space->getNamespace();
            
        if (strcmp(spacename, "image") == 0)
        {
            theme->_images.push_back(ThemeImage::create(tw, th, space, Vector4::one()));
        }
        else if (strcmp(spacename, "imageList") == 0)
        {
            theme->_imageLists.push_back(ImageList::create(tw, th, space));
        }
        else if (strcmp(spacename, "skin") == 0)
        {
            Theme::Border border;
            Properties* innerSpace = space->getNextNamespace();
            if (innerSpace)
            {
                const char* innerSpacename = innerSpace->getNamespace();
                if (strcmp(innerSpacename, "border") == 0)
                {
                    border.top = innerSpace->getFloat("top");
                    border.bottom = innerSpace->getFloat("bottom");
                    border.left = innerSpace->getFloat("left");
                    border.right = innerSpace->getFloat("right");
                }
            }

            Vector4 regionVector;
            space->getVector4("region", &regionVector);
            const Rectangle region(regionVector.x, regionVector.y, regionVector.z, regionVector.w);

            Vector4 color(1, 1, 1, 1);
            if (space->exists("color"))
            {
                space->getColor("color", &color);
            }

            Skin* skin = Skin::create(space->getId(), tw, th, region, border, color);
            GP_ASSERT(skin);
            theme->_skins.push_back(skin);
        }

        space = themeProperties->getNextNamespace();
    }

    themeProperties->rewind();
    space = themeProperties->getNextNamespace();
    while (space != NULL)
//.........这里部分代码省略.........