src/cl.uchile.dcc.bnac.editor/PortraitGraph.java

   1 /*
   2  *  bnac : virtual museum environment creation/manipulation project
   3  *  Copyright (C) 2010 Felipe Cañas Sabat
   4  *
   5  *  This program is free software: you can redistribute it and/or modify
   6  *  it under the terms of the GNU General Public License as published by
   7  *  the Free Software Foundation, either version 3 of the License, or
   8  *  (at your option) any later version.
   9  *
  10  *  This program is distributed in the hope that it will be useful,
  11  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  *  GNU General Public License for more details.
  14  *
  15  *  You should have received a copy of the GNU General Public License
  16  *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
  17  */
  18
  19 package cl.uchile.dcc.bnac.editor;
  20
  21 import cl.uchile.dcc.bnac.PlacedCapture;
  22 import cl.uchile.dcc.bnac.Capture2D;
  23 import cl.uchile.dcc.bnac.Attribute;
  24
  25 import java.awt.image.BufferedImage;
  26 import java.io.File;
  27 import javax.imageio.ImageIO;
  28
  29 import javax.media.j3d.Appearance;
  30 import javax.media.j3d.BoundingBox;
  31 import javax.media.j3d.BranchGroup;
  32 import javax.media.j3d.Geometry;
  33 import javax.media.j3d.ImageComponent2D;
  34 import javax.media.j3d.ImageComponent;
  35 import javax.media.j3d.Material;
  36 import javax.media.j3d.Shape3D;
  37 import javax.media.j3d.Texture2D;
  38 import javax.media.j3d.Texture;
  39 import javax.media.j3d.TextureAttributes;
  40 import javax.media.j3d.Transform3D;
  41 import javax.media.j3d.TransformGroup;
  42 import javax.media.j3d.TransparencyAttributes;
  43
  44 import javax.vecmath.Color3f;
  45 import javax.vecmath.Point3d;
  46 import javax.vecmath.Point2f;
  47 import javax.vecmath.Point3f;
  48 import javax.vecmath.Vector3d;
  49 import javax.vecmath.Vector2f;
  50 import javax.vecmath.Vector3f;
  51
  52 class PortraitGraph extends Element2DGraph
  53 {
  54     protected PlacedCapture pcap;
  55     protected BranchGroup canvasNrm;
  56     protected BranchGroup canvasSel;
  57     protected boolean selected;
  58
  59     public PortraitGraph (Project project, PlacedCapture pc)
  60     {
  61         super(project);
  62         pcap = pc;
  63         selected = false;
  64
  65         Capture2D c = (Capture2D) pcap.capture;
  66         dims.set(c.width(), c.height());
  67         pos.set(pcap.t);
  68         angle = pcap.angle;
  69         scale = pcap.scale;
  70
  71         frbg = makeFrameGraph();
  72         rtg.addChild(frbg);
  73         rtg.addChild(ftg);
  74         handle.addChild(rtg);
  75
  76         buildFace();
  77         updatePosition();
  78         updateDimensions();
  79         updateAngle();
  80         updateScale();
  81     }
  82
  83     protected void buildFace ()
  84     {
  85         try {
  86             Capture2D c = (Capture2D) pcap.capture;
  87
  88             BufferedImage img;
  89             img = ImageIO.read(new File(
  90                         project.getRootPath() +
  91                         System.getProperty("file.separator") +
  92                         c.get(Attribute.Resource)));
  93             BufferedImage pimg = Util.padToPowerOf2(img);
  94             int w = img.getWidth();
  95             int h = img.getHeight();
  96             int pw = pimg.getWidth();
  97             int ph = pimg.getHeight();
  98
  99             BnacEditor.trace("tex %dx%d", w, h);
 100             Texture2D tex = new Texture2D(Texture.BASE_LEVEL, Texture.RGB,
 101                     pw, ph);
 102             tex.setBoundaryModeS(Texture.CLAMP);
 103             tex.setBoundaryModeT(Texture.CLAMP);
 104             tex.setImage(0, new ImageComponent2D(
 105                         ImageComponent.FORMAT_RGB, pimg));
 106             TextureAttributes tattr = new TextureAttributes();
 107             tattr.setTextureMode(TextureAttributes.MODULATE);
 108
 109             Shape3D canvas;
 110             Appearance ap;
 111             Geometry geom =
 112                 Util.rectMesh(c.width(), c.height(),
 113                         -c.width()/2.0f, -c.height()/2.0f,
 114                         0.0f, divs, true, ((float) w)/pw, ((float) h)/ph);
 115
 116             canvasNrm = new BranchGroup();
 117             canvasNrm.setCapability(BranchGroup.ALLOW_DETACH);
 118             canvasSel = new BranchGroup();
 119             canvasSel.setCapability(BranchGroup.ALLOW_DETACH);
 120
 121             ap = new Appearance();
 122             ap.setTexture(tex);
 123             ap.setTextureAttributes(tattr);
 124             ap.setMaterial(new Material(
 125                         new Color3f(0.2f, 0.2f, 0.2f), // ambient
 126                         new Color3f(0.0f, 0.0f, 0.0f), // emissive
 127                         new Color3f(0.8f, 0.8f, 0.8f), // diffuse
 128                         new Color3f(0.0f, 0.0f, 0.0f), // specular
 129                         0.0f));
 130             canvas = new Shape3D(geom, ap);
 131             canvas.setPickable(true);
 132             canvas.setBounds(new BoundingBox(
 133                         new Point3d(0.0, 0.0, 0.0),
 134                         new Point3d(c.width(), c.height(), -depth)));
 135             canvas.setName(pcap.getId());
 136             canvasNrm.addChild(canvas);
 137
 138             ap = new Appearance();
 139             ap.setTexture(tex);
 140             ap.setTextureAttributes(tattr);
 141             ap.setMaterial(new Material(
 142                         new Color3f(0.0f, 0.0f, 0.0f), // ambient
 143                         new Color3f(0.8f, 0.0f, 0.0f), // emissive
 144                         new Color3f(0.0f, 0.0f, 0.0f), // diffuse
 145                         new Color3f(0.0f, 0.0f, 0.0f), // specular
 146                         0.0f));
 147             TransparencyAttributes tra = new TransparencyAttributes(
 148                     TransparencyAttributes.FASTEST, 0.5f);
 149             ap.setTransparencyAttributes(tra);
 150
 151             canvas = new Shape3D(geom, ap);
 152             canvas.setPickable(true);
 153             canvas.setBounds(new BoundingBox(
 154                         new Point3d(0.0, 0.0, 0.0),
 155                         new Point3d(c.width(), c.height(), -depth)));
 156             canvas.setName(pcap.getId());
 157             canvasSel.addChild(canvas);
 158
 159             ftg.addChild(canvasNrm);
 160         } catch (Exception e) {
 161             BnacEditor.error("when rendering %s", e, pcap.capture.getId());
 162         }
 163     }
 164
 165     public void select ()
 166     {
 167         if (selected) { return; }
 168         BnacEditor.trace("selected %s", getId());
 169         selected = true;
 170         canvasNrm.detach();
 171         ftg.addChild(canvasSel);
 172     }
 173
 174     public void deselect ()
 175     {
 176         if (!selected) { return; }
 177         BnacEditor.trace("deselected %s", getId());
 178         selected = false;
 179         canvasSel.detach();
 180         ftg.addChild(canvasNrm);
 181     }
 182
 183     public PlacedCapture getPlacedCapture () { return pcap; }
 184
 185     public String getId () { return pcap.getId(); }
 186
 187     public void updatePosition ()
 188     {
 189         super.updatePosition();
 190         pcap.t.set(pos);
 191     }
 192     public void updateAngle ()
 193     {
 194         super.updateAngle();
 195         pcap.angle = angle;
 196     }
 197     public void updateScale ()
 198     {
 199         super.updateScale();
 200         pcap.scale = scale;
 201     }
 202 }
 203