import java.nio.ByteBuffer;
import java.nio.IntBuffer;
import javax.media.opengl.GL;
import javax.media.opengl.GLAutoDrawable;
import javax.media.opengl.GLCanvas;
import javax.media.opengl.GLEventListener;
import jp.nyatla.nyartoolkit.NyARException;
import jp.nyatla.nyartoolkit.core.NyARCode;
import jp.nyatla.nyartoolkit.core.types.NyARIntSize;
import jp.nyatla.nyartoolkit.jogl.utils.GLNyARParam;
import jp.nyatla.nyartoolkit.jogl.utils.GLNyARSingleDetectMarker;
import jp.nyatla.nyartoolkit.qt.utils.QtNyARRaster_RGB;
import com.sun.opengl.util.Animator;
@SuppressWarnings("serial")
public class MyGLCanvas extends GLCanvas implements GLEventListener {
private final String CARCODE_FILE = "./Data/patt.hiro";
private final String PARAM_FILE = "./Data/camera_para.dat";
private GL _gl;
private QtNyARRaster_RGB _raster;
private GLNyARSingleDetectMarker _nya;
private GLNyARParam _ar_param;
public MyGLCanvas() throws NyARException {
addGLEventListener(this);
setSize(MyAR.SCREEN_X, MyAR.SCREEN_Y);
MyQtCameraCapture _qtCapture = new MyQtCameraCapture();
_raster = _qtCapture.get_raster();
_qtCapture.start();
}
public void drawCube() {
int polyList = 0;
float fSize = 0.5f;
int f, i;
float[][] cube_vertices = new float[][] { { 1.0f, 1.0f, 1.0f },
{ 1.0f, -1.0f, 1.0f }, { -1.0f, -1.0f, 1.0f },
{ -1.0f, 1.0f, 1.0f }, { 1.0f, 1.0f, -1.0f },
{ 1.0f, -1.0f, -1.0f }, { -1.0f, -1.0f, -1.0f },
{ -1.0f, 1.0f, -1.0f } };
float[][] cube_vertex_colors = new float[][] { { 1.0f, 1.0f, 1.0f },
{ 1.0f, 1.0f, 0.0f }, { 0.0f, 1.0f, 0.0f },
{ 0.0f, 1.0f, 1.0f }, { 1.0f, 0.0f, 1.0f },
{ 1.0f, 0.0f, 0.0f }, { 0.0f, 0.0f, 0.0f },
{ 0.0f, 0.0f, 1.0f } };
int cube_num_faces = 6;
short[][] cube_faces = new short[][] { { 3, 2, 1, 0 }, { 2, 3, 7, 6 },
{ 0, 1, 5, 4 }, { 3, 0, 4, 7 }, { 1, 2, 6, 5 }, { 4, 5, 6, 7 } };
if (polyList == 0) {
polyList = _gl.glGenLists(1);
_gl.glNewList(polyList, GL.GL_COMPILE);
_gl.glBegin(GL.GL_QUADS);
for (f = 0; f < cube_num_faces; f++)
for (i = 0; i < 4; i++) {
_gl.glColor3f(cube_vertex_colors[cube_faces[f][i]][0],
cube_vertex_colors[cube_faces[f][i]][1],
cube_vertex_colors[cube_faces[f][i]][2]);
_gl.glVertex3f(cube_vertices[cube_faces[f][i]][0] * fSize,
cube_vertices[cube_faces[f][i]][1] * fSize,
cube_vertices[cube_faces[f][i]][2] * fSize);
}
_gl.glEnd();
_gl.glColor3f(0.0f, 0.0f, 0.0f);
for (f = 0; f < cube_num_faces; f++) {
_gl.glBegin(GL.GL_LINE_LOOP);
for (i = 0; i < 4; i++)
_gl.glVertex3f(cube_vertices[cube_faces[f][i]][0] * fSize,
cube_vertices[cube_faces[f][i]][1] * fSize,
cube_vertices[cube_faces[f][i]][2] * fSize);
_gl.glEnd();
}
_gl.glEndList();
}
_gl.glPushMatrix(); // Save world coordinate system.
_gl.glTranslatef(0.0f, 0.0f, 0.5f); // Place base of cube on marker
// surface.
_gl.glRotatef(0.0f, 0.0f, 0.0f, 1.0f); // Rotate about z axis.
_gl.glDisable(GL.GL_LIGHTING); // Just use colours.
_gl.glCallList(polyList); // Draw the cube.
_gl.glPopMatrix(); // Restore world coordinate system.
}
public void display(GLAutoDrawable drawable) {
try {
if (!_raster.hasData()) {
return;
}
_gl.glClear(GL.GL_COLOR_BUFFER_BIT | GL.GL_DEPTH_BUFFER_BIT);
boolean is_marker_exist;
synchronized (_raster) {
is_marker_exist = _nya.detectMarkerLite(_raster, 100);
{
NyARIntSize rsize = _raster.getSize();
IntBuffer params = IntBuffer.allocate(4);
_gl.glDisable(GL.GL_TEXTURE_2D);
_gl.glGetIntegerv(GL.GL_VIEWPORT, params);
_gl.glPixelZoom(
1f * ((float) (params.get(2)) / (float) rsize.w),
-1f * ((float) (params.get(3)) / (float) rsize.h));
_gl.glWindowPos2f(0.0f, (float) rsize.h);
ByteBuffer buf = ByteBuffer.wrap(_raster.get_Ref_buf());
_gl.glDrawPixels(rsize.w, rsize.h, GL.GL_RGB,
GL.GL_UNSIGNED_BYTE, buf);
}
}
if (is_marker_exist) {
_gl.glMatrixMode(GL.GL_PROJECTION);
_gl.glLoadMatrixd(_ar_param.getCameraFrustumRH(), 0);
_gl.glMatrixMode(GL.GL_MODELVIEW);
_gl.glLoadIdentity();
_gl.glLoadMatrixd(_nya.getCameraViewRH(), 0);
drawCube();
}
Thread.sleep(1);
} catch (Exception e) {
e.printStackTrace();
}
}
public void displayChanged(GLAutoDrawable drawable, boolean modeChanged,
boolean deviceChanged) {
}
public void init(GLAutoDrawable drawable) {
try {
// GL
_gl = drawable.getGL();
_gl.glClearColor(0.0f, 0.0f, 0.0f, 0.0f);
_ar_param = new GLNyARParam();
NyARCode ar_code = new NyARCode(16, 16);
_ar_param.loadARParamFromFile(PARAM_FILE);
_ar_param.changeScreenSize(320, 240);
_nya = new GLNyARSingleDetectMarker(_ar_param, ar_code, 80.0);
_nya.setContinueMode(false);
ar_code.loadARPattFromFile(CARCODE_FILE);
Animator _animator = new Animator(drawable);
_animator.start();
} catch (Exception e) {
e.printStackTrace();
}
}
public void reshape(GLAutoDrawable drawable, int x, int y, int width,
int height) {
_gl.glViewport(0, 0, width, height);
_gl.glMatrixMode(GL.GL_PROJECTION);
_gl.glLoadIdentity();
_gl.glMatrixMode(GL.GL_MODELVIEW);
_gl.glLoadIdentity();
}
}
ボールド体の場所はキャプチャ画像をOpenGLの出力先に書くところ．NyARToolkitのサンプルは丁寧に作成されているらしくチェックとかいろいろしているっぽかった（理解力不足ですみません）．で，それを決めうちとか , 無くても動くところを省くとか勝手にしてみた．2Dを3Dに書くのっていろいろたいへん！
