Example usage for com.google.gwt.canvas.dom.client Context2d save

Introduction

In this page you can find the example usage for com.google.gwt.canvas.dom.client Context2d save.

Prototype

public final native void save() ;

Source Link

Document

Saves the context's state.

Usage

From source file:playn.html.HtmlImageLayerCanvas.java

License:Apache License

@Override
public void paint(Context2d ctx, float parentAlpha) {
    if (!visible() || !img.isReady())
        return;/* w w  w.  j  av a  2s.co  m*/

    ctx.save();
    transform(ctx);
    ctx.setGlobalAlpha(parentAlpha * alpha);

    float width = width();
    float height = height();
    if (repeatX || repeatY) {
        updatePattern(ctx);
        ctx.setFillStyle(pattern);
        ctx.beginPath();
        ctx.rect(0, 0, width, height);
        ctx.scale(repeatX ? 1 : width / img.width(), repeatY ? 1 : height / img.height());
        ctx.fill();
    } else {
        ((HtmlCanvas.Drawable) img).draw(ctx, 0, 0, width, height);
    }

    ctx.restore();
}

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From source file:playn.html.HtmlImmediateLayerCanvas.java

License:Apache License

@Override
void paint(Context2d ctx, float parentAlpha) {
    if (!visible())
        return;//from w w w .j  av  a2s  .  co m

    ctx.save();
    transform(ctx);
    ctx.setGlobalAlpha(parentAlpha * alpha);
    render(ctx);
    ctx.restore();
}

---

From source file:playn.html.HtmlSurfaceLayerCanvas.java

License:Apache License

@Override
void paint(Context2d ctx, float parentAlpha) {
    if (!visible())
        return;// w w w .  ja v  a 2  s .  com

    ctx.save();
    transform(ctx);

    ctx.setGlobalAlpha(parentAlpha * alpha);
    ctx.drawImage(canvas.canvas(), 0, 0);

    ctx.restore();
}

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