/// <summary>
/// Retrieves the value for the variable from the context.
/// </summary>
public float GetValue(ThemeContext context)
{
// Start variable
float value = num2;
if (op2 == "-")
value = -value;
// Process the variables
if (variable != null)
{
// Grab the variable
float vval = Convert.ToSingle(context[variable]);
// Apply the operation
if (op1 == "*")
vval *= num1;
else
vval /= num1;
// Add it to the results (since we already negate for
// negatives)
value += vval;
}
// Return the results
return value;
}
public static void SetThemeContext <TTheme>(this HttpContext context, ThemeContext <TTheme> themeContext)
{
if (context == null)
{
throw new ArgumentNullException(nameof(context));
}
if (themeContext == null)
{
throw new ArgumentNullException(nameof(themeContext));
}
context.Items[ThemeContextKey] = themeContext;
}
/// <summary>
/// Renders the theme command out.
/// </summary>
public void Render(ThemeContext context)
{
// Get the values
float rx = x.GetValue(context);
float ry = y.GetValue(context);
// Get the font
font = context.Theme.Fonts[fontName];
// Figure out the string
string output = text;
string fmt = format;
if (!String.IsNullOrEmpty(format) && variables != null)
{
// Create a format string instead
object [] parms = new object [variables.Length];
for (int i = 0; i < variables.Length; i++)
{
// We need to do a bit of formatting to make these
// numbers as appropriate.
if (fmt.IndexOf("{" + i + ":N") >= 0)
{
// Convert to a double to make it a number
parms[i] = Convert.ToDouble(context[variables[i]]);
}
else if (fmt.IndexOf("{" + i + ":z") >= 0)
{
// This uses the zero fill rules
FormatZeroFill(i, ref fmt, context[variables[i]]);
parms[i] = 0;
}
else
{
// Just use it as a string
parms[i] = context[variables[i]].ToString();
}
}
// Format the string
output = String.Format(fmt, parms);
}
// Render out the string
font.Font.Print(output,
color.GetColor(context),
rx, ry,
font.Alignment);
}
/// <summary>
/// Renders the theme command out.
/// </summary>
public void Render(ThemeContext context)
{
// Get the values
float rx = x.GetValue(context);
float ry = y.GetValue(context);
float rw = w.GetValue(context);
float rh = h.GetValue(context);
RectangleF bounds = new RectangleF(rx, ry, rw, rh);
// Set the clipping area
IBackendDrawingArgs ibda = context.DrawingArgs.Backend
.SetClippingRegion(
context.DrawingArgs.BackendDrawingArgs, bounds);
context.DrawingArgs.BackendDrawingArgs = ibda;
// Call the viewport
context.Callback.DrawViewport(context.DrawingArgs, bounds);
// Clear the clip
context.DrawingArgs.BackendDrawingArgs =
context.DrawingArgs.Backend.ClearClippingRegion(ibda);
}
//init the theme
public void InitTheme(string theme)
{
//ThemeInfo themeInfo;
IThemeContext themeContext = ThemeContext.GetInstance();
var themeInfo = new ThemeInfo();
themeInfo.Name = SiteConfig.GetSetting().Theme;
if (!string.IsNullOrEmpty(theme))
{
themeInfo.Name = theme;
themeContext.WorkingDesktopTheme = theme;
}
else if (!string.IsNullOrEmpty(themeInfo.Name))
{
themeContext.WorkingDesktopTheme = themeInfo.Name;
}
else
{
//默认样式
themeContext.WorkingDesktopTheme = "Default";
}
}
public Task <ThemeContext <Theme> > ResolveAsync(HttpContext context)
{
var themeContext = new ThemeContext <Theme>(_theme);
return(Task.FromResult(themeContext));
}
/// <summary>
/// Retrieves the color, which may be based on context.
/// </summary>
public Color GetColor(ThemeContext context)
{
return color;
}
/// <summary>
/// Renders out the screen, using the callback to fill in the
/// gaps.
/// </summary>
public void Render(
string layout, IThemeCallback callback, DrawingArgs args)
{
// Get the layout
if (!layouts.Contains(layout))
throw new Exception("Theme does not have the " + layout
+ " layout");
// Set up the context
ThemeContext context = new ThemeContext();
context.DrawingArgs = args;
context.Callback = callback;
context.ScreenSize = VideoManager.ScreenSize;
context.Theme = this;
context["width"] = context.ScreenSize.Width;
context["height"] = context.ScreenSize.Height;
if (State.Score != null)
{
context["distance"] = State.Score.Distance;
context["countdown"] = State.Score.CountdownString;
context["popsaved"] = State.Score.PopulationSaved;
context["popkilled"] = State.Score.PopulationKilled;
context["percentpopsaved"] = State.Score.PercentageSavedString;
context["speed"] = State.Score.Speed;
context["maxspeed"] = State.Score.MaximumSpeed;
context["speedfmt"] = State.Score.SpeedString;
context["maxspeedfmt"] = State.Score.MaximumSpeedString;
}
// Get it
ThemeLayout tl = layouts[layout];
tl.Render(context);
}
/// <summary>
/// Renders out the screen, using the callback to fill in the
/// gaps.
/// </summary>
public void Render(ThemeContext context)
{
// Loop through the commands
foreach (IThemeCommand itc in commands)
itc.Render(context);
}