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added text aligning to generic fonts

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This commit is contained in:
Ellpeck 2020-04-11 15:32:01 +02:00
parent 5404c36f73
commit d5ce920e52
2 changed files with 46 additions and 1 deletions
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34
MLEM/Font/GenericFont.cs
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@ -1,3 +1,4 @@
using System;
using System.Collections.Generic;
using System.Text;
using Microsoft.Xna.Framework;
@ -24,6 +25,30 @@ namespace MLEM.Font {
public abstract void DrawString(SpriteBatch batch, StringBuilder text, Vector2 position, Color color, float rotation, Vector2 origin, Vector2 scale, SpriteEffects effects, float layerDepth);
public void DrawString(SpriteBatch batch, string text, Vector2 position, TextAlign align, Color color) {
this.DrawString(batch, text, position, align, color, 0, Vector2.Zero, Vector2.One, SpriteEffects.None, 0);
}
public void DrawString(SpriteBatch batch, string text, Vector2 position, TextAlign align, Color color, float rotation, Vector2 origin, float scale, SpriteEffects effects, float layerDepth) {
this.DrawString(batch, text, position, align, color, rotation, origin, new Vector2(scale), effects, layerDepth);
}
public void DrawString(SpriteBatch batch, string text, Vector2 position, TextAlign align, Color color, float rotation, Vector2 origin, Vector2 scale, SpriteEffects effects, float layerDepth) {
switch (align) {
case TextAlign.Center:
case TextAlign.CenterBothAxes:
var (w, h) = this.MeasureString(text);
position.X -= w / 2;
if (align == TextAlign.CenterBothAxes)
position.Y -= h / 2;
break;
case TextAlign.Right:
position.X -= this.MeasureString(text).X;
break;
}
this.DrawString(batch, text, position, color, rotation, origin, scale, effects, layerDepth);
}
public string TruncateString(string text, float width, float scale, bool fromBack = false) {
var total = new StringBuilder();
for (var i = 0; i < text.Length; i++) {
@ -82,4 +107,13 @@ namespace MLEM.Font {
}
}
public enum TextAlign {
Left,
Center,
Right,
CenterBothAxes
}
}

13
Sandbox/GameImpl.cs
View file

@ -51,8 +51,9 @@ namespace Sandbox {
};
var tex = LoadContent<Texture2D>("Textures/Test");
var font = new GenericSpriteFont(LoadContent<SpriteFont>("Fonts/TestFont"));
this.UiSystem.Style = new UntexturedStyle(this.SpriteBatch) {
Font = new GenericSpriteFont(LoadContent<SpriteFont>("Fonts/TestFont")),
Font = font,
TextScale = 0.1F,
PanelTexture = new NinePatch(new TextureRegion(tex, 0, 8, 24, 24), 8),
ButtonTexture = new NinePatch(new TextureRegion(tex, 24, 8, 16, 16), 4)
@ -87,6 +88,16 @@ namespace Sandbox {
var res = this.Content.LoadJson<Test>("Test");
Console.WriteLine(res);
this.OnDraw += (game, time) => {
this.SpriteBatch.Begin();
font.DrawString(this.SpriteBatch, "Left Aligned\nover multiple lines", new Vector2(640, 0), TextAlign.Left, Color.White);
font.DrawString(this.SpriteBatch, "Center Aligned\nover multiple lines", new Vector2(640, 100), TextAlign.Center, Color.White);
font.DrawString(this.SpriteBatch, "Right Aligned\nover multiple lines", new Vector2(640, 200), TextAlign.Right, Color.White);
font.DrawString(this.SpriteBatch, "Center Aligned on both axes", new Vector2(640, 360), TextAlign.CenterBothAxes, Color.White);
this.SpriteBatch.Draw(this.SpriteBatch.GetBlankTexture(), new Rectangle(640 - 4, 360 - 4, 8, 8), Color.Green);
this.SpriteBatch.End();
};
}
protected override void DoUpdate(GameTime gameTime) {