public void render(GL gl) {
// gl.glLoadIdentity();
gl.glRasterPos2f(-0.25f + 0.10f * ((float) (Math.cos(0.1))), 0.35f * ((float) (Math.sin(0.1))));
// Take a string and make it a bitmap, put it in the 'gl' passed over and pick
// the GLUT font, then provide the string to show
glut.glutBitmapString(
GLUT.BITMAP_HELVETICA_18, "Active OpenGL, in JoGL, Text With NeHe - " + 0.1);
}
public void display(GLAutoDrawable glDrawable) {
GL gl = glDrawable.getGL();
// Store old matrices
gl.glMatrixMode(GL.GL_MODELVIEW);
gl.glPushMatrix();
gl.glLoadIdentity();
gl.glMatrixMode(GL.GL_PROJECTION);
gl.glPushMatrix();
gl.glLoadIdentity();
gl.glViewport(0, 0, glDrawable.getWidth(), glDrawable.getHeight());
// Store enabled state and disable lighting, texture mapping and the depth buffer
gl.glPushAttrib(GL.GL_ENABLE_BIT);
gl.glDisable(GL.GL_BLEND);
gl.glDisable(GL.GL_LIGHTING);
gl.glDisable(GL.GL_TEXTURE_2D);
gl.glDisable(GL.GL_DEPTH_TEST);
// Retrieve the current viewport and switch to orthographic mode
IntBuffer viewPort = BufferUtil.newIntBuffer(4);
gl.glGetIntegerv(GL.GL_VIEWPORT, viewPort);
glu.gluOrtho2D(0, viewPort.get(2), viewPort.get(3), 0);
// Render the text
gl.glColor3f(1, 1, 1);
int x = OFFSET;
int maxx = 0;
int y = OFFSET + CHAR_HEIGHT;
if (keyboardEntries.size() > 0) {
gl.glRasterPos2i(x, y);
glut.glutBitmapString(GLUT.BITMAP_HELVETICA_12, KEYBOARD_CONTROLS);
maxx =
Math.max(
maxx, OFFSET + glut.glutBitmapLength(GLUT.BITMAP_HELVETICA_12, KEYBOARD_CONTROLS));
y += OFFSET;
x += INDENT;
for (int i = 0; i < keyboardEntries.size(); i++) {
gl.glRasterPos2f(x, y);
String text = (String) keyboardEntries.get(i);
glut.glutBitmapString(GLUT.BITMAP_HELVETICA_12, text);
maxx = Math.max(maxx, OFFSET + glut.glutBitmapLength(GLUT.BITMAP_HELVETICA_12, text));
y += OFFSET;
}
}
if (mouseEntries.size() > 0) {
x = maxx + OFFSET;
y = OFFSET + CHAR_HEIGHT;
gl.glRasterPos2i(x, y);
glut.glutBitmapString(GLUT.BITMAP_HELVETICA_12, MOUSE_CONTROLS);
y += OFFSET;
x += INDENT;
for (int i = 0; i < mouseEntries.size(); i++) {
gl.glRasterPos2f(x, y);
glut.glutBitmapString(GLUT.BITMAP_HELVETICA_12, (String) mouseEntries.get(i));
y += OFFSET;
}
}
// Restore enabled state
gl.glPopAttrib();
// Restore old matrices
gl.glPopMatrix();
gl.glMatrixMode(GL.GL_MODELVIEW);
gl.glPopMatrix();
}
