Example usage for com.badlogic.gdx.graphics.glutils ShapeRenderer begin

Introduction

In this page you can find the example usage for com.badlogic.gdx.graphics.glutils ShapeRenderer begin.

Prototype

public void begin() 

Source Link

Document

Begins a new batch without specifying a shape type.

Usage

From source file:net.team2xh.environment.widgets.graphs.BarChart.java

@Override
public void render(ShapeRenderer renderer, Batch batch) {

    Gdx.gl.glEnable(GL20.GL_BLEND);/*w  ww  .  java2 s . com*/
    Gdx.gl.glBlendFunc(GL20.GL_SRC_ALPHA, GL20.GL_ONE_MINUS_SRC_ALPHA);

    renderer.setAutoShapeType(true);
    renderer.begin();
    {
        //Gdx.gl.glLineWidth(1.0f);
        renderer.translate(getX(), getY(), 0);

        renderer.set(ShapeType.Line);
        renderer.setColor(Color.GRAY);
        renderer.rect(0, 0, getWidth(), getHeight());

        // TODO: Grid

        renderer.set(ShapeType.Line);
        renderer.setColor(Color.WHITE);
        if (showAxis) {
            // Vertical
            renderer.line(yAxisMargin, xAxisMargin, yAxisMargin, getHeight() - padding);
            // Horizontal
            renderer.line(yAxisMargin, xAxisMargin, getWidth() - padding, xAxisMargin);
        }

        // Bars
        renderer.translate(0, 0, -1);
        int i = 1;
        for (Map.Entry<String, Number> e : data) {
            float length = maxLength * (e.getValue().floatValue() / maxValue);
            Colors c = colors[color];
            renderer.set(ShapeType.Filled);
            renderer.setColor(c.transparent());
            if (horizontal) {
                renderer.rect(yAxisMargin, getHeight() - (i + 1) * padding - i * thickness, length, thickness);
            } else {
                renderer.rect(yAxisMargin + i * padding + (i - 1) * thickness, xAxisMargin, thickness, length);
            }
            renderer.set(ShapeType.Line);
            renderer.setColor(c.color());
            if (horizontal) {
                renderer.rect(yAxisMargin, getHeight() - (i + 1) * padding - i * thickness,
                        maxLength * (e.getValue().floatValue() / maxValue), thickness);
            } else {
                renderer.rect(yAxisMargin + i * padding + (i - 1) * thickness, xAxisMargin, thickness, length);
            }
            ++i;
            nextColor();
        }
        renderer.translate(0, 0, +1);

        renderer.translate(-getX(), -getY(), 0);
    }
    renderer.end();

    batch.begin();
    {
        int i = 0;
        for (Map.Entry<String, Number> e : data) {
            if (horizontal) {
                font.draw(batch, e.getKey(), getX() + yAxisMargin - padding - font.getBounds(e.getKey()).width,
                        getY() + getHeight() + font.getCapHeight() / 2
                                - (xAxisMargin + 2 * padding + i * (thickness + padding)));
                // TODO: Values axis    
            }
            // TODO: Vertical
            ++i;
        }
    }
    batch.end();

    Gdx.gl.glDisable(GL20.GL_BLEND);

}

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