/// <summary>
/// Called when graphics resources need to be loaded.
/// Use this for the usage of :
/// - creation of the internal embedded controls.
/// - setting of the variables and resources in this control
/// - to load any game-specific graphics resources
/// - take over the config width and height and use it into State
/// - overriding how this item looks like , by settings its texture or theme
/// Call base.LoadContent before you do your override code, this will cause :
/// - State.SourceRectangle to be reset to the Config.Size
/// </summary>
public override void LoadContent()
{
base.LoadContent();
this.UpdateDrawSizeByConfig();
this.ConfigDebug = false;
if (this.ConfigDebug)
{
this.textureImage = this.Manager.ImageCompositor.CreateRectangleTexture(
this.Name + "-" + this.ImagePath,
(int)this.Config.Width,
(int)this.Config.Height,
0,
GUIColor.Gainsboro(),
GUIColor.White());
}
else
{
this.textureImage = Manager.ImageCompositor.CreateImageTexture(
this.Name + "-" + this.ImagePath,
this.ImagePath);
}
// get the used texture , and set the final size in state to the size of the texture
var sourceSize = Manager.ImageCompositor.ReadSizeTexture(this.textureImage);
State.SourceRectangle.Width = sourceSize.X;
State.SourceRectangle.Height = sourceSize.Y;
// scale to smallest
var shrinkVertical = sourceSize.X / Config.Height;
var shrinkHorizontal = sourceSize.Y / Config.Width;
// find the biggest shrink
var sc = shrinkHorizontal > shrinkVertical ?
shrinkHorizontal :
shrinkVertical;
// use this scale
State.Width = sourceSize.X / sc;
State.Height = sourceSize.Y / sc;
var left = (Config.Width / 2) - (State.Width / 2);
var top = (Config.Height / 2) - (State.Height / 2);
State.Offset = new DVector2(left, top);
}
/// <summary>
/// Redraws the control using a chosen style.
/// </summary>
private void RedrawControl()
{
this.SetIndicatorPosition(this.gradientValue);
var width = (int)Config.Width;
var heigth = (int)Config.Height;
if (Manager.ImageCompositor.Contains(this.CurrentTextureName) == false)
{
this.CurrentTextureName = Manager.ImageCompositor.CreateFlatTexture(this.Name + "-Background", width, heigth, GUIColor.Gainsboro());
}
var array = new ColorMap(width, heigth);
switch (this.drawStyle)
{
case DrawStyle.Hue:
this.DrawStyleHue(ref array);
break;
case DrawStyle.Saturation:
this.DrawStyleSaturation(ref array);
break;
case DrawStyle.Brightness:
this.DrawStyleLuminance(ref array);
break;
case DrawStyle.Red:
this.DrawStyleRed(ref array);
break;
case DrawStyle.Green:
this.DrawStyleGreen(ref array);
break;
case DrawStyle.Blue:
this.DrawStyleBlue(ref array);
break;
}
Manager.ImageCompositor.UpdateTexture(this.CurrentTextureName, array);
}
