com.uwsoft.editor.gdx.actors.GridView.java Source code

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Here is the source code for com.uwsoft.editor.gdx.actors.GridView.java

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/*
 * ******************************************************************************
 *  * Copyright 2015 See AUTHORS file.
 *  *
 *  * Licensed under the Apache License, Version 2.0 (the "License");
 *  * you may not use this file except in compliance with the License.
 *  * You may obtain a copy of the License at
 *  *
 *  *   http://www.apache.org/licenses/LICENSE-2.0
 *  *
 *  * Unless required by applicable law or agreed to in writing, software
 *  * distributed under the License is distributed on an "AS IS" BASIS,
 *  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  * See the License for the specific language governing permissions and
 *  * limitations under the License.
 *  *****************************************************************************
 */

package com.uwsoft.editor.gdx.actors;

import com.badlogic.gdx.graphics.Color;
import com.badlogic.gdx.scenes.scene2d.Group;
import com.badlogic.gdx.scenes.scene2d.ui.Label;
import com.uwsoft.editor.gdx.actors.basic.PixelLine;
import com.uwsoft.editor.gdx.stage.BaseStage;

public class GridView extends Group {

    public GridView(BaseStage s) {
        float gridSize = 50;
        float gridLinesCount = 200;

        for (int i = 0; i < gridLinesCount; i++) {
            PixelLine tmp = new PixelLine(s.textureManager, i * gridSize, 0, i * gridSize,
                    gridSize * gridLinesCount);
            opacityHandler(i, tmp);
            addActor(tmp);
            tmp.setX(tmp.getX() - (gridLinesCount / 2 - 1) * gridSize);
            tmp.setY(tmp.getY() - (gridLinesCount / 2 - 1) * gridSize);
        }

        for (int i = 0; i < gridLinesCount; i++) {
            PixelLine tmp = new PixelLine(s.textureManager, 0, i * gridSize, gridSize * gridLinesCount,
                    i * gridSize);
            opacityHandler(i, tmp);
            addActor(tmp);
            tmp.setX(tmp.getX() - (gridLinesCount / 2 - 1) * gridSize);
            tmp.setY(tmp.getY() - (gridLinesCount / 2 - 1) * gridSize);
        }

        this.setWidth(gridSize * gridLinesCount);
        this.setHeight(gridSize * gridLinesCount);

        Label lbl = new Label("0.0", s.textureManager.editorSkin);
        lbl.setX(-5 - lbl.getWidth());
        lbl.setY(-lbl.getHeight());
        lbl.setColor(new Color(1, 1, 1, 0.4f));
        addActor(lbl);
    }

    private void opacityHandler(float i, PixelLine tmp) {
        i -= 3;
        if (i % 6 == 0) {
            tmp.setOpacity(0.1f);
        } else if (i % 2 == 0) {
            tmp.setOpacity(0.05f);
        } else {
            tmp.setOpacity(0.02f);
        }
    }
}