如何加载一个TrueTypeFont与不同的参数？ LibGDX [英] How to load a TrueTypeFont with different parameters? LibGDX

问题描述

到目前为止，我一直在做的方式是复制相同的字体，保存在另一个名字，并加载不同的参数。我试图在LibGDX中开发一个应用程序，并保存字体，因为不同的文件需要更多的内存。是不是有一种方法加载1多次字体，每次都有不同的参数？

，我创建了具有不同大小的BitmapFont对象列表，只需更改 FreeTypeFontGenerator.FreeTypeFontParameter 的属性即可。

SpriteBatch spriteBatch;
BitmapFont font [];
OrthographicCamera相机;

@Override
public void create（）{

camera = new OrthographicCamera（）;
camera.setToOrtho（false，400,640）;
spriteBatch = new SpriteBatch（）;

int size [] = new int [] {5,8,10,13,15,20,30,40,50,60};

font = new BitmapFont [size.length];
FreeTypeFontGenerator generator = new FreeTypeFontGenerator（Gdx.files.internal（BUBBLEGUM.TTF））;
FreeTypeFontGenerator.FreeTypeFontParameter parameter = new FreeTypeFontGenerator.FreeTypeFontParameter（）;

parameter.color = Color.WHITE;
parameter.magFilter = Texture.TextureFilter.Linear; //用于调整质量
parameter.minFilter = Texture.TextureFilter.Linear;

for（int i = 0; i< size.length; i ++）{
parameter.size = size [i];
font [i] = generator.generateFont（parameter）;
font [i] .getRegion（）。getTexture（）。setFilter（Texture.TextureFilter.Linear，Texture.TextureFilter.Linear）;
font [i] .setColor（1.0f，0.0f，0.0f，1.0f）;
}

generator.dispose（）; //不要忘记处理
}

@Override
public void render（）{

Gdx.gl.glClear（GL20.GL_COLOR_BUFFER_BIT ）;
Gdx.gl.glClearColor（1,1,0,1）;

spriteBatch.setProjectionMatrix（camera.combined）;
spriteBatch.begin（）;
for（int i = 0; i< font.length; i ++）
font [i] .draw（spriteBatch，LIBGDX FONT，10,100 + i * 55）;
spriteBatch.end（）;
}

@Override
public void resize（int width，int height）{
camera.setToOrtho（false，width，height）;

$ b $ @覆盖
public void dispose（）{
spriteBatch.dispose（）;
for（BitmapFont bmfont：font）
bmfont.dispose（）;


$ b $ / code $ / pre
$ b

编辑

https://github.com/libgdx/libgdx/blob/master/tests/gdx-tests/src/com/badlogic/gdx/tests/extensions/ FreeTypeFontLoaderTest.java

The way I have been doing it so far is copying the same font, saving under another name and loading it with different parameters. I am trying to develop an app in LibGDX and by saving the font as different files takes more memory than necessary. Isn't there a way of loading 1 font multiple times, each time with different parameters?

解决方案

Take a look of this example, I am creating a list of BitmapFont object having different size by simply changing attributes of FreeTypeFontGenerator.FreeTypeFontParameter.

public class MainGame extends Game {

    SpriteBatch spriteBatch;
    BitmapFont font[];
    OrthographicCamera camera;

    @Override
    public void create() {

        camera=new OrthographicCamera();
        camera.setToOrtho(false,400,640);
        spriteBatch = new SpriteBatch();

        int size[]=new int[]{5,8,10,13,15,20,30,40,50,60};

        font=new BitmapFont[size.length];
        FreeTypeFontGenerator generator = new FreeTypeFontGenerator(Gdx.files.internal("BUBBLEGUM.TTF"));
        FreeTypeFontGenerator.FreeTypeFontParameter parameter = new FreeTypeFontGenerator.FreeTypeFontParameter();

        parameter.color = Color.WHITE;
        parameter.magFilter = Texture.TextureFilter.Linear; // used for resizing quality
        parameter.minFilter = Texture.TextureFilter.Linear;

        for(int i=0;i<size.length;i++){
            parameter.size=size[i];
            font[i]=generator.generateFont(parameter);
            font[i].getRegion().getTexture().setFilter(Texture.TextureFilter.Linear, Texture.TextureFilter.Linear);
            font[i].setColor(1.0f, 0.0f, 0.0f, 1.0f);
        }

        generator.dispose();   // Don't forget to dispose
    }

    @Override
    public void render() {

        Gdx.gl.glClear(GL20.GL_COLOR_BUFFER_BIT);
        Gdx.gl.glClearColor(1,1,0,1);

        spriteBatch.setProjectionMatrix(camera.combined);
        spriteBatch.begin();
        for (int i=0;i<font.length;i++)
           font[i].draw(spriteBatch,"LIBGDX FONT",10,100+i*55);
        spriteBatch.end();
    }

    @Override
    public void resize(int width, int height) {
         camera.setToOrtho(false,width,height);
    }

    @Override
    public void dispose() {
         spriteBatch.dispose();
         for(BitmapFont bmfont:font)
              bmfont.dispose();

    }
}

EDIT

https://github.com/libgdx/libgdx/blob/master/tests/gdx-tests/src/com/badlogic/gdx/tests/extensions/FreeTypeFontLoaderTest.java

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