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NGUIのスプライトをファイルに保存する

Last updated at Posted at 2014-10-31

なんとも変わったことをやっていますが、それなりに使いドコロはあるかもしれません。
spr1はUISpriteです。

public void ButtonClick()
{
    int width = spr1.GetAtlasSprite().width;
    int height = spr1.GetAtlasSprite().height;
    int sprx = spr1.GetAtlasSprite().x;
    int spry = spr1.GetAtlasSprite().y;
    Texture2D tmptex = new Texture2D(width,height,TextureFormat.RGBA32,false);
    Texture2D srctex = (Texture2D)spr1.atlas.texture;
    for(int y = 0; y < height; ++y) {
        for(int x = 0;x < width; ++x){
            Color c = srctex.GetPixel(x+sprx,y+(spr1.atlas.texture.height-(height+spry)));
            if(c.a == 0){
                c.r = c.g = c.b = c.a = 1;
            }
            tmptex.SetPixel(x,y,c);
        }
    }
    byte[] pngarr = tmptex.EncodeToPNG();
    Debug.Log(Application.persistentDataPath+"/test.png");
    File.WriteAllBytes(Application.persistentDataPath+"/test.png", pngarr);
}
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