// Draw the scale label
private void drawLabel(DrawContext dc, String text, Vec4 screenPoint) {
TextRenderer textRenderer =
OGLTextRenderer.getOrCreateTextRenderer(dc.getTextRendererCache(), this.defaultFont);
Rectangle2D nameBound = textRenderer.getBounds(text);
int x = (int) (screenPoint.x() - nameBound.getWidth() / 2d);
int y = (int) screenPoint.y();
textRenderer.begin3DRendering();
textRenderer.setColor(this.getBackgroundColor(this.color));
textRenderer.draw(text, x + 1, y - 1);
textRenderer.setColor(this.color);
textRenderer.draw(text, x, y);
textRenderer.end3DRendering();
}
/**
* Draw the label's text. This method assumes that the text renderer context has already been set
* up.
*
* @param textRenderer renderer to use.
*/
protected void doDrawText(TextRenderer textRenderer) {
Color color = this.material.getDiffuse();
Color backgroundColor = this.computeBackgroundColor(color);
float opacity = (float) this.getOpacity();
int x = this.screenPoint.x;
int y = this.screenPoint.y;
float[] compArray = new float[3];
if (AVKey.TEXT_EFFECT_SHADOW.equals(this.effect) && backgroundColor != null) {
backgroundColor.getRGBColorComponents(compArray);
textRenderer.setColor(compArray[0], compArray[1], compArray[2], opacity);
this.drawMultiLineText(textRenderer, x + 1, y - 1);
}
color.getRGBColorComponents(compArray);
textRenderer.setColor(compArray[0], compArray[1], compArray[2], opacity);
this.drawMultiLineText(textRenderer, x, y);
}
private void display(GLAutoDrawable drawable, Point p) {
if (renderer == null) {
renderer = new TextRenderer(new Font("SansSerif", Font.PLAIN, 10), true, true);
}
Neuron[] n = cells[p.x][p.y];
renderer.begin3DRendering();
renderer.setColor(0, 0, 1, 0.8f);
float s1 = n[0].getState(), s2 = n[1].getState();
float avg = (s1 + s2) / 2;
String s = String.format("%5.3f", avg);
Rectangle2D rect = renderer.getBounds(s);
renderer.draw3D(s, p.x, p.y, 0, .7f); // TODO fix string n lines
renderer.end3DRendering();
GL gl = drawable.getGL();
gl.glRectf(p.x, p.y - 2, p.x + (float) rect.getWidth() * avg * .7f, p.y - 1);
}
public void drawText(String text, double x, double y) {
if (textRenderer == null) throw new RuntimeException();
// gl.glDisable(GL.GL_DEPTH_TEST);
// Uses 3D rendering so it can take advantage of the glTranslate
// function
textRenderer.begin3DRendering();
textRenderer.setColor(currentColor);
textRenderer.draw3D(
text,
(float) (scaleX * (brushPos.getX() + x)),
(float) (scaleY * (brushPos.getY() + y)),
0,
1);
textRenderer.end3DRendering();
textRenderer.flush();
// gl.glEnable(GL.GL_DEPTH_TEST);
}
/** Here we actually draw the scene. */
public void display(GLAutoDrawable drawable) {
super.display(drawable);
System.out.println("GLScene - display");
GL gl = drawable.getGL();
try {
// Update velocities and positions of all text
float deltaT = 0.1f;
Point2f tmp = new Point2f();
for (Iterator<TextInfo> iter = textInfo.iterator(); iter.hasNext(); ) {
TextInfo info = (TextInfo) iter.next();
// Randomize things a little bit at run time
if (random.nextInt(1000) == 0) {
info.angularVelocity = INIT_ANG_VEL_MAG * (randomAngle() - 180);
info.velocity = randomVelocity(INIT_VEL_MAG, INIT_VEL_MAG);
}
// Now update angles and positions
info.angle += info.angularVelocity * deltaT;
tmp.set(info.velocity);
tmp.scale(deltaT);
info.position.add(tmp);
// Update color
info.curTime += deltaT;
if (info.curTime > 2 * Math.PI) {
info.curTime -= 2 * Math.PI;
}
int rgb =
Color.HSBtoRGB(info.h, (float) (0.5 * (1 + Math.sin(info.curTime)) * info.s), info.v);
info.r = ((rgb >> 16) & 0xFF) / 255.0f;
info.g = ((rgb >> 8) & 0xFF) / 255.0f;
info.b = (rgb & 0xFF) / 255.0f;
// Wrap angles and positions
if (info.angle < 0) {
info.angle += 360;
} else if (info.angle > 360) {
info.angle -= 360;
}
// Use maxTextWidth to avoid popping in/out at edges
// Would be better to do oriented bounding rectangle computation
if (info.position.x < -maxTextWidth) {
info.position.x = info.position.x + glComposite.getCanvas().getWidth() + 2 * maxTextWidth;
} else if (info.position.x > glComposite.getCanvas().getWidth() + maxTextWidth) {
info.position.x = info.position.x - glComposite.getCanvas().getWidth() - 2 * maxTextWidth;
}
if (info.position.y < -maxTextWidth) {
info.position.y =
info.position.y + glComposite.getCanvas().getHeight() + 2 * maxTextWidth;
} else if (info.position.y > glComposite.getCanvas().getHeight() + maxTextWidth) {
info.position.y =
info.position.y - glComposite.getCanvas().getHeight() - 2 * maxTextWidth;
}
}
gl.glClear(GL.GL_COLOR_BUFFER_BIT);
gl.glMatrixMode(GL.GL_PROJECTION);
gl.glLoadIdentity();
glComposite
.getGLU()
.gluOrtho2D(
0, glComposite.getCanvas().getWidth(), 0, glComposite.getCanvas().getHeight());
gl.glMatrixMode(GL.GL_MODELVIEW);
gl.glLoadIdentity();
// Draw the background texture
backgroundTexture.enable();
backgroundTexture.bind();
TextureCoords coords = backgroundTexture.getImageTexCoords();
int w = glComposite.getCanvas().getWidth();
int h = glComposite.getCanvas().getHeight();
float fw = w / 100.0f;
float fh = h / 100.0f;
gl.glTexEnvi(GL.GL_TEXTURE_ENV, GL.GL_TEXTURE_ENV_MODE, GL.GL_REPLACE);
gl.glBegin(GL.GL_QUADS);
gl.glTexCoord2f(fw * coords.left(), fh * coords.bottom());
gl.glVertex3f(0, 0, 0);
gl.glTexCoord2f(fw * coords.right(), fh * coords.bottom());
gl.glVertex3f(w, 0, 0);
gl.glTexCoord2f(fw * coords.right(), fh * coords.top());
gl.glVertex3f(w, h, 0);
gl.glTexCoord2f(fw * coords.left(), fh * coords.top());
gl.glVertex3f(0, h, 0);
gl.glEnd();
backgroundTexture.disable();
// Render all text
renderer.beginRendering(w, h);
// Note we're doing some slightly fancy stuff to position the text.
// We tell the text renderer to render the text at the origin, and
// manipulate the modelview matrix to put the text where we want.
gl.glMatrixMode(GL.GL_MODELVIEW);
// First render drop shadows
renderer.setColor(0, 0, 0, 0.5f);
for (Iterator<TextInfo> iter = textInfo.iterator(); iter.hasNext(); ) {
TextInfo info = (TextInfo) iter.next();
gl.glLoadIdentity();
gl.glTranslatef(
info.position.x + dropShadowDistance, info.position.y - dropShadowDistance, 0);
gl.glRotatef(info.angle, 0, 0, 1);
renderer.draw(info.text, 0, 0);
renderer.flush();
}
// Now render the actual text
for (Iterator<TextInfo> iter = textInfo.iterator(); iter.hasNext(); ) {
TextInfo info = (TextInfo) iter.next();
gl.glLoadIdentity();
gl.glTranslatef(info.position.x, info.position.y, 0);
gl.glRotatef(info.angle, 0, 0, 1);
renderer.setColor(info.r, info.g, info.b, 1);
renderer.draw(info.text, 0, 0);
renderer.flush();
}
renderer.endRendering();
} catch (Exception e) {
e.printStackTrace();
}
}
public void setColor(float r, float g, float b, float a) {
renderer.setColor(r, g, b, a);
}