Hello!
I try to use the ClientBundle implementation to manage my Images to a
large File and minimize the HTTP-Requests.
I put <inherits name="com.google.gwt.resources.Resources" /> in my
gwt.xml
Generate the ClientBundle
public interface ResourceBundle extends ClientBundle {
public static final ResourceBundle INSTANCE =
GWT.create(ResourceBundle.class);
@Source("tiles/smiley.png")
ImageResource smiley();
}
The Image would be found, no errors.
Here is the code
@Override
public void onModuleLoad() {
CLogger.log("Start Engine");
int width = 800;
int height = 600;
Canvas canvas = Canvas.createIfSupported();
canvas.setWidth(width + "px");
canvas.setHeight(height + "px");
canvas.setCoordinateSpaceWidth(width);
canvas.setCoordinateSpaceHeight(height);
Context2d c = canvas.getContext2d();
Image img = new Image(ResourceBundle.INSTANCE.smiley());
img.addLoadHandler(new LoadHandler() {
@Override
public void onLoad(LoadEvent event) {
CLogger.log(event.getSource() + " loaded");
}
});
CLogger.log("Visible: " + img.isVisible());
c.drawImage((ImageElement) new
Image(ResourceBundle.INSTANCE.smiley()).getElement().cast(), 0, 0);
RootPanel.get().add(canvas);
}
I create a simple Canvas and set the size to 800x600. I create a new
Context2D Object to draw the Image at the Context and add the Canvas
to the RootPanel.
The logs shows:
[20:10:21.676] - Start Engine
[20:10:21.851] - Visible: true
[20:10:21.853] -
http://127.0.0.1:8888/engine/7D39451825E9952050F44A6B8E2E15F3.cache.png
The Image exists under the logged URL so everything looks fine. But
the Image would not be draw or it would draw but not display.
Anybody an idea?
I thought the ClientBundle loads the Images as the start in the
backend. So if I get an Instance every Image/Css and others fill be
loaded?
Regars Markus
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