Example usage for com.google.gwt.graphics.client Canvas setLineWidth

Introduction

In this page you can find the example usage for com.google.gwt.graphics.client Canvas setLineWidth.

Prototype

public native void setLineWidth(double width) ;

Source Link

Document

Sets the current context's linewidth.

Usage

From source file:com.google.speedtracer.client.visualizations.view.EventTraceBreakdown.java

License:Apache License

public Element cloneRenderedCanvasElement() {
    ensureMasterIsRendered();/*from   ww w  . j  ava  2 s .  c  o  m*/
    int width = (int) (rootEvent.getDuration() * domainToPixels);
    final Canvas canvas = new Canvas(width, COORD_HEIGHT);
    canvas.setLineWidth(2);
    final Element element = canvas.getElement();
    element.setClassName(resources.eventTraceBreakdownCss().masterRender());
    element.getStyle().setPropertyPx("width", width);
    new Renderer(canvas, rootEvent).renderSelfAndChildren();
    return element;
}

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From source file:com.google.speedtracer.client.visualizations.view.EventTraceBreakdown.java

License:Apache License

public Renderer createRenderer(UiEvent event, int depth) {
    ensureMasterIsRendered();/*from w ww. ja v a2  s  . c  om*/
    int width = (int) (event.getDuration() * domainToPixels);
    // We may have truncated something that, on aggregate may matter.
    // If this node has a dominant color set, then it contains a child that is
    // one of the important ones... show it with a 1 pixel bar.
    if (width == 0 && presenter.hasDominantType(event, rootEvent, domainToPixels)) {
        width = 1;
    }

    Css css = resources.eventTraceBreakdownCss();

    final Canvas canvas = new Canvas(width, COORD_HEIGHT);
    canvas.setLineWidth(2);
    final Element element = canvas.getElement();
    final Style style = element.getStyle();
    element.setClassName(css.eventGraph());
    style.setPropertyPx("left", getLeftOffset(event, depth));
    style.setPropertyPx("width", width);

    return new Renderer(canvas, event);
}

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From source file:com.google.speedtracer.client.visualizations.view.PageTransitionMarker.java

License:Apache License

@Override
protected void protectedPaint(Canvas c, double startX, double startY, MarkerIcon interactiveComp,
        double graphHeightCoords, int startXPx) {
    if (!tooltipAdded && interactiveComponent != null) {
        // Add tooltip lazily, as interactiveComponent is created lazily in
        // super.paint().
        Container container = new DefaultContainerImpl(interactiveComponent.getElement());
        String tooltipText = ((PageTransitionModel) markerModel).title;

        // A blank tooltip looks really odd. Try to find something to fill in
        // the text with.
        if (tooltipText == null || tooltipText.equals("")) {
            String url = ((PageTransitionModel) markerModel).url;
            tooltipText = (url == null || url.equals("")) ? "<blank page>" : url;
        }//from  www .  ja  v  a2  s.  c o m
        FastTooltip tip = new FastTooltip(container, tooltipText, resources);
        tip.getElement().getStyle().setProperty("cursor", "pointer");
        ClickEvent.addClickListener(this, tip.getElement(), new ClickListener() {

            public void onClick(ClickEvent event) {
                HoveringPopup popup = Monitor.getPopup();
                popup.setContentProvider(createTooltipPoupupContent());
                Div interactiveComponent = PageTransitionMarker.this.interactiveComponent;
                popup.show(interactiveComponent.getAbsoluteLeft(), interactiveComponent.getAbsoluteTop());
            }
        });

        interactiveComponent.getElement().appendChild(tip.getElement());
        tooltipAdded = true;
        interactiveComp.setVisible(true);
    }

    // TODO(zundel): alpha?
    Color strokeColor = new Color("#415086");
    c.setStrokeStyle(strokeColor);
    c.setLineWidth(1);
    c.beginPath();
    c.moveTo((int) startX, graphHeightCoords);
    c.lineTo((int) startX, 0);
    c.stroke();
    interactiveComp.moveTo(startXPx);
}

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