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add a getter to the image component

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This commit is contained in:
Ellpeck 2019-09-26 17:39:38 +02:00
parent 45f48cc8fd
commit 1ce08cce49
1 changed files with 20 additions and 1 deletions
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21
MLEM.Ui/Elements/Image.cs
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@ -9,6 +9,7 @@ namespace MLEM.Ui.Elements {
public Color Color = Color.White;
private TextureRegion texture;
public TextureCallback GetTextureCallback;
public TextureRegion Texture {
get => this.texture;
set {
@ -36,7 +37,15 @@ namespace MLEM.Ui.Elements {
public float ImageRotation;
public Image(Anchor anchor, Vector2 size, TextureRegion texture, bool scaleToImage = false) : base(anchor, size) {
this.texture = texture;
this.Texture = texture;
this.scaleToImage = scaleToImage;
this.CanBeSelected = false;
this.CanBeMoused = false;
}
public Image(Anchor anchor, Vector2 size, TextureCallback getTextureCallback, bool scaleToImage = false) : base(anchor, size) {
this.GetTextureCallback = getTextureCallback;
this.Texture = getTextureCallback(this);
this.scaleToImage = scaleToImage;
this.CanBeSelected = false;
this.CanBeMoused = false;
@ -46,7 +55,15 @@ namespace MLEM.Ui.Elements {
return this.texture != null && this.scaleToImage ? this.texture.Size : base.CalcActualSize(parentArea);
}
public override void Update(GameTime time) {
base.Update(time);
if (this.GetTextureCallback != null)
this.Texture = this.GetTextureCallback(this);
}
public override void Draw(GameTime time, SpriteBatch batch, float alpha, BlendState blendState, SamplerState samplerState, Matrix matrix) {
if (this.texture == null)
return;
var center = new Vector2(this.texture.Width / 2F, this.texture.Height / 2F);
if (this.MaintainImageAspect) {
var scale = Math.Min(this.DisplayArea.Width / (float) this.texture.Width, this.DisplayArea.Height / (float) this.texture.Height);
@ -59,5 +76,7 @@ namespace MLEM.Ui.Elements {
base.Draw(time, batch, alpha, blendState, samplerState, matrix);
}
public delegate TextureRegion TextureCallback(Image image);
}
}