public override void Apply(IComponent component)
{
if (BackgroundColor.A != 0)
{
component.RemoveDrawInstructions(d => d.Tag == "bgColor");
var bgColorInstruction = new DrawInstruction(
"bgColor",
Helper.Content.Textures.WhitePixel,
new Rectangle(0, 0, component.Bounds.Width, component.Bounds.Height),
null, BackgroundColor, 0f, Vector2.Zero, SpriteEffects.None, 1f);
component.AddDrawInstructions(bgColorInstruction);
}
if (BackgroundImage?.Invoke(component) is Texture2D bgImage)
{
component.RemoveDrawInstructions(d => d.Tag == "bgImage");
BackgroundBounds = new Rectangle(0, 0, bgImage.Width, bgImage.Height);
Rectangle drawBounds = BackgroundBounds.Value;
float fitToHeight = (float)component.Bounds.Height / (float)BackgroundBounds.Value.Height;
float fitToWidth = (float)component.Bounds.Width / (float)BackgroundBounds.Value.Width;
int tileWidth = (int)Math.Ceiling(component.Bounds.Width / (float)drawBounds.Width);
int tileHeight = (int)Math.Ceiling(component.Bounds.Height / (float)drawBounds.Height);
switch (FillStyle)
{
case BackgroundFill.Stretch:
{
drawBounds = new Rectangle(0, 0, component.Bounds.Width, component.Bounds.Height);
break;
}
case BackgroundFill.Contain:
{
float scale = Math.Min(Math.Min(fitToHeight, fitToWidth), BackgroundMaxScale);
int w = (int)(BackgroundBounds.Value.Width * scale);
int h = (int)(BackgroundBounds.Value.Height * scale);
drawBounds = new Rectangle((component.Bounds.Width - w) / 2, (component.Bounds.Height - h) / 2, w, h);
break;
}
case BackgroundFill.Cover:
{
float scale = Math.Max(fitToHeight, fitToWidth);
drawBounds = new Rectangle(0, 0, (int)(BackgroundBounds.Value.Width * scale), (int)(BackgroundBounds.Value.Height * scale));
break;
}
case BackgroundFill.TileMap:
{
drawBounds = new Rectangle(0, 0, drawBounds.Width / 3, drawBounds.Height / 3);
break;
}
case BackgroundFill.Original:
case BackgroundFill.Pattern:
default:
break;
}
switch (FillStyle)
{
case BackgroundFill.Stretch:
case BackgroundFill.Cover:
case BackgroundFill.Contain:
case BackgroundFill.Original:
{
var bgImageInstruction = new DrawInstruction(
"bgImage",
bgImage,
drawBounds,
BackgroundSourceRectangle, Color.White * BackgroundOpacity, 0f, Vector2.Zero, SpriteEffects.None, 1f);
component.AddDrawInstructions(bgImageInstruction);
break;
}
case BackgroundFill.TileMap:
{
if (!BackgroundSourceRectangle.HasValue)
{
BackgroundSourceRectangle = BackgroundBounds;
}
for (int x = 0; x < tileWidth; x++)
{
for (int y = 0; y < tileHeight; y++)
{
int dx = x == 0 ? 0 : x == tileWidth - 1 ? 2 : 1;
int dy = y == 0 ? 0 : y == tileHeight - 1 ? 2 : 1;
var sWidth = BackgroundSourceRectangle.Value.Width / 3;
var sHeight = BackgroundSourceRectangle.Value.Height / 3;
var sX = BackgroundSourceRectangle.Value.X;
var sY = BackgroundSourceRectangle.Value.Y;
var sRect = new Rectangle(sX + (sWidth * dx), sY + (sHeight * dy), sWidth, sHeight);
var bgImageInstruction = new DrawInstruction(
"bgImage",
bgImage,
new Rectangle(x * BackgroundBounds.Value.Width, y * BackgroundBounds.Value.Height, BackgroundBounds.Value.Width, BackgroundBounds.Value.Height),
sRect,
Color.White * BackgroundOpacity, 0f, Vector2.Zero, SpriteEffects.None, 1f);
component.AddDrawInstructions(bgImageInstruction);
}
}
break;
}
case BackgroundFill.Pattern:
{
for (int x = 0; x < tileWidth; x++)
{
for (int y = 0; y < tileHeight; y++)
{
var bgImageInstruction = new DrawInstruction(
"bgImage",
bgImage,
new Rectangle(drawBounds.Width * x, drawBounds.Height * y, drawBounds.Width, drawBounds.Height),
BackgroundSourceRectangle,
Color.White * BackgroundOpacity, 0f, Vector2.Zero, SpriteEffects.None, 1f);
component.AddDrawInstructions(bgImageInstruction);
}
}
break;
}
}
}
if (Image?.Invoke(component) is Texture2D image)
{
var imageInstruction = new DrawInstruction(
"image",
image,
new Rectangle(0, 0, component.Bounds.Width, component.Bounds.Height),
new Rectangle(0, 0, image.Width, image.Height),
Color.White, 0f, Vector2.Zero, SpriteEffects.None, 1f);
component.AddDrawInstructions(imageInstruction);
}
base.Apply(component);
}