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Re: Scene Graph Demo Convert to JRuby Problem

by paulfras :: Rate this Message:

Nick Sieger wrote:

> On Thu, Aug 7, 2008 at 6:44 PM, Paul Fraser <paulf@...> wrote:
>
>> Hi All,
>>
>> Trying to convert a Scene Graph demo "Nodes" to JRuby.
>> https://scenegraph-demos.dev.java.net/demos.html
>> This line:
>> Composer.register(AffineTransform.class, TransformComposer.class)
>> gives this error:
>> C:/Users/paulAdmin/Documents/NetbeansProjects/scene_graph_work/lib/scene_graph.rb:1:
>> expected [java.lang.Class, java.lang.Class]; got:
>> [org.jruby.RubyClass,org.jruby.RubyClass]; error: argument type mismatch
>> (TypeError)
>>
>> I am probably out of my depth here, but are the experts able to help?
>> How do I "cast" an "org.jruby.RubyClass" to a "java.lang.Class" or what
>> procedure should be used in this case?
>>
>
> What does the Ruby code you wrote look like?
>

Hi Nick,

I did not write it, just converting it , this is how some of it looks at
present, a bit messy at this stage, but, does this help?

require 'java'

import com.sun.scenario.animation.Clip;
import com.sun.scenario.animation.Composer;
import com.sun.scenario.animation.Interpolators;
import com.sun.scenario.animation.Timeline;
import com.sun.scenario.scenegraph.JSGPanel;
import com.sun.scenario.scenegraph.SGComponent;
import com.sun.scenario.scenegraph.SGComposite;
import com.sun.scenario.scenegraph.SGGroup;
import com.sun.scenario.scenegraph.SGImage;
import com.sun.scenario.scenegraph.SGShape;
import com.sun.scenario.scenegraph.SGText;
import com.sun.scenario.scenegraph.SGTransform;
import com.sun.scenario.scenegraph.fx.FXNode;
import java.awt.BasicStroke;
import java.awt.Color;
import java.awt.Dimension;
import java.awt.Font;
import java.awt.LinearGradientPaint;
import java.awt.RenderingHints;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.geom.AffineTransform;
import java.awt.geom.Ellipse2D;
import java.awt.geom.Point2D;
import java.awt.geom.Rectangle2D;
import java.awt.image.BufferedImage;
import java.net.URL;
import javax.imageio.ImageIO;
import javax.swing.BorderFactory;
import javax.swing.BoxLayout;
import javax.swing.JCheckBox;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;
import javax.swing.SwingUtilities;
import javax.swing.UIManager;

class TransformComposer < Composer
#
def initialize
super(6)
end
#
def decompose(o,v)
o.getMatrix(v)
return v
end
#
def compose(v)
return AffineTransform.new(v)
end
end # class TransformComposer
#
#
class Nodes
include ActionListener
#
SCREEN_W = 300, SCREEN_H = 400;
FADE_DUR = 500;
CLIP_DUR = 500;
TEXT_X = 100;
TEXT_Y = 40;
IMAGE_X = 23;
IMAGE_Y = 3;
IMAGES_LABEL = "Images ";
SHAPES_LABEL = "Shapes ";
COMPONENTS_LABEL = "Components ";
TEXT_LABEL = "Text ";
ANIMATION_LABEL = "Animation ";
TRANSLUCENCY_LABEL = "Translucency ";
#
#
#
Composer.register(AffineTransform.class, TransformComposer.class);
<<<<<<<<<<<<<<<<<<<<<<<<<<<< trouble
#
#
def initialize
@rootNode = SGGroup.new
# # JPanel controlPanel;
# # SGTransform componentScaler;
# # private Clip textFadeIn, textFadeOut;
# # private Clip imageFadeIn, imageFadeOut;
# # private Clip shapeFadeIn, shapeFadeOut;
# # private Clip bgFadeIn, bgFadeOut;
# # private Clip componentScaleOut, componentScaleIn;
@nodeGroupMover = Timeline.new
@numSelected = 0;
# # private SGComposite componentTranslucency;
# # private AffineTransform cpScaleLarge;
@duke = nil
#
# # // preload image
# # try {
# imageURL = getClass.getResource("images/duke.gif")
# duke = ImageIO.read(imageURL)
# # } catch (Exception e) {
# # System.out.println("problem loading image: " + e);
# # }
# #
# # // Create actual window frame
f = JFrame.new("Nodes Demo")
# # try {
# #
UIManager.setLookAndFeel(UIManager.getSystemLookAndFeelClassName());
# # } catch (Exception e) {
# # System.out.println("problem with l&f: " + e);
# # }
f.setDefaultCloseOperation(JFrame::EXIT_ON_CLOSE)
# #
setupNodes
setupPanel(f)
# #
f.invalidate
f.pack
f.setLocationRelativeTo(nil)
f.setVisible(true)
# #
end # def initialize

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