protected void endDrawIcons(DrawContext dc) {
if (dc.isPickingMode()) this.pickSupport.endPicking(dc);
GL2 gl = dc.getGL().getGL2(); // GL initialization checks for GL2 compatibility.
if (dc.isPickingMode()) {
gl.glTexEnvf(GL2.GL_TEXTURE_ENV, GL2.GL_TEXTURE_ENV_MODE, OGLUtil.DEFAULT_TEX_ENV_MODE);
gl.glTexEnvf(GL2.GL_TEXTURE_ENV, GL2.GL_SRC0_RGB, OGLUtil.DEFAULT_SRC0_RGB);
gl.glTexEnvf(GL2.GL_TEXTURE_ENV, GL2.GL_COMBINE_RGB, OGLUtil.DEFAULT_COMBINE_RGB);
}
gl.glBindTexture(GL.GL_TEXTURE_2D, 0);
this.oglStackHandler.pop(gl);
}
protected void applyColor(DrawContext dc, java.awt.Color color, double opacity) {
if (dc.isPickingMode()) return;
double finalOpacity = opacity * (color.getAlpha() / 255.0);
GL2 gl = dc.getGL().getGL2(); // GL initialization checks for GL2 compatibility.
OGLUtil.applyColor(gl, color, finalOpacity, true);
}
protected void beginDrawIcons(DrawContext dc) {
GL2 gl = dc.getGL().getGL2(); // GL initialization checks for GL2 compatibility.
this.oglStackHandler.clear();
int attributeMask =
GL2.GL_DEPTH_BUFFER_BIT // for depth test, depth mask and depth func
| GL2.GL_TRANSFORM_BIT // for modelview and perspective
| GL2.GL_VIEWPORT_BIT // for depth range
| GL2.GL_CURRENT_BIT // for current color
| GL2.GL_COLOR_BUFFER_BIT // for alpha test func and ref, and blend
| GL2.GL_DEPTH_BUFFER_BIT // for depth func
| GL2.GL_ENABLE_BIT; // for enable/disable changes
this.oglStackHandler.pushAttrib(gl, attributeMask);
// Apply the depth buffer but don't change it.
if ((!dc.isDeepPickingEnabled())) gl.glEnable(GL.GL_DEPTH_TEST);
gl.glDepthMask(false);
// Suppress any fully transparent image pixels
gl.glEnable(GL2.GL_ALPHA_TEST);
gl.glAlphaFunc(GL2.GL_GREATER, 0.001f);
// Load a parallel projection with dimensions (viewportWidth, viewportHeight)
this.oglStackHandler.pushProjectionIdentity(gl);
gl.glOrtho(
0d, dc.getView().getViewport().width, 0d, dc.getView().getViewport().height, -1d, 1d);
this.oglStackHandler.pushModelview(gl);
this.oglStackHandler.pushTexture(gl);
if (dc.isPickingMode()) {
this.pickSupport.beginPicking(dc);
// Set up to replace the non-transparent texture colors with the single pick color.
gl.glEnable(GL.GL_TEXTURE_2D);
gl.glTexEnvf(GL2.GL_TEXTURE_ENV, GL2.GL_TEXTURE_ENV_MODE, GL2.GL_COMBINE);
gl.glTexEnvf(GL2.GL_TEXTURE_ENV, GL2.GL_SRC0_RGB, GL2.GL_PREVIOUS);
gl.glTexEnvf(GL2.GL_TEXTURE_ENV, GL2.GL_COMBINE_RGB, GL2.GL_REPLACE);
} else {
gl.glEnable(GL.GL_TEXTURE_2D);
gl.glEnable(GL.GL_BLEND);
gl.glBlendFunc(GL.GL_ONE, GL.GL_ONE_MINUS_SRC_ALPHA);
}
}
/**
* Returns true if the IconRenderer should record feedback about how the specified WWIcon has been
* processed.
*
* @param dc the current DrawContext.
* @param icon the WWIcon to record feedback information for.
* @return true to record feedback; false otherwise.
*/
protected boolean isFeedbackEnabled(DrawContext dc, WWIcon icon) {
if (dc.isPickingMode()) return false;
Boolean b = (Boolean) icon.getValue(AVKey.FEEDBACK_ENABLED);
return (b != null && b);
}
protected Vec4 drawIcon(DrawContext dc, OrderedIcon uIcon) {
if (uIcon.point == null) {
String msg = Logging.getMessage("nullValue.PointIsNull");
Logging.logger().severe(msg);
// Record feedback data for this WWIcon if feedback is enabled.
if (uIcon.icon != null) this.recordFeedback(dc, uIcon.icon, null, null);
return null;
}
WWIcon icon = uIcon.icon;
if (dc.getView().getFrustumInModelCoordinates().getNear().distanceTo(uIcon.point) < 0) {
// Record feedback data for this WWIcon if feedback is enabled.
this.recordFeedback(dc, icon, uIcon.point, null);
return null;
}
final Vec4 screenPoint = dc.getView().project(uIcon.point);
if (screenPoint == null) {
// Record feedback data for this WWIcon if feedback is enabled.
this.recordFeedback(dc, icon, uIcon.point, null);
return null;
}
double pedestalScale;
double pedestalSpacing;
if (this.pedestal != null) {
pedestalScale = this.pedestal.getScale();
pedestalSpacing = pedestal.getSpacingPixels();
} else {
pedestalScale = 0d;
pedestalSpacing = 0d;
}
GL2 gl = dc.getGL().getGL2(); // GL initialization checks for GL2 compatibility.
this.setDepthFunc(dc, uIcon, screenPoint);
gl.glMatrixMode(GL2.GL_MODELVIEW);
gl.glLoadIdentity();
Dimension size = icon.getSize();
double width = size != null ? size.getWidth() : icon.getImageTexture().getWidth(dc);
double height = size != null ? size.getHeight() : icon.getImageTexture().getHeight(dc);
gl.glTranslated(
screenPoint.x - width / 2, screenPoint.y + (pedestalScale * height) + pedestalSpacing, 0d);
if (icon.isHighlighted()) {
double heightDelta = this.pedestal != null ? 0 : height / 2; // expand only above the pedestal
gl.glTranslated(width / 2, heightDelta, 0);
gl.glScaled(icon.getHighlightScale(), icon.getHighlightScale(), icon.getHighlightScale());
gl.glTranslated(-width / 2, -heightDelta, 0);
}
Rectangle rect =
new Rectangle(
(int) (screenPoint.x - width / 2),
(int) (screenPoint.y),
(int) width,
(int) (height + (pedestalScale * height) + pedestalSpacing));
if (dc.isPickingMode()) {
// If in picking mode and pick clipping is enabled, check to see if the icon is within the
// pick volume.
if (this.isPickFrustumClippingEnabled() && !dc.getPickFrustums().intersectsAny(rect)) {
// Record feedback data for this WWIcon if feedback is enabled.
this.recordFeedback(dc, icon, uIcon.point, rect);
return screenPoint;
} else {
java.awt.Color color = dc.getUniquePickColor();
int colorCode = color.getRGB();
this.pickSupport.addPickableObject(colorCode, icon, uIcon.getPosition(), false);
gl.glColor3ub((byte) color.getRed(), (byte) color.getGreen(), (byte) color.getBlue());
}
}
if (icon.getBackgroundTexture() != null)
this.applyBackground(dc, icon, screenPoint, width, height, pedestalSpacing, pedestalScale);
if (icon.getImageTexture().bind(dc)) {
TextureCoords texCoords = icon.getImageTexture().getTexCoords();
gl.glScaled(width, height, 1d);
dc.drawUnitQuad(texCoords);
}
if (this.pedestal != null && this.pedestal.getImageTexture() != null) {
gl.glLoadIdentity();
gl.glTranslated(screenPoint.x - (pedestalScale * (width / 2)), screenPoint.y, 0d);
gl.glScaled(width * pedestalScale, height * pedestalScale, 1d);
if (this.pedestal.getImageTexture().bind(dc)) {
TextureCoords texCoords = this.pedestal.getImageTexture().getTexCoords();
dc.drawUnitQuad(texCoords);
}
}
// Record feedback data for this WWIcon if feedback is enabled.
this.recordFeedback(dc, icon, uIcon.point, rect);
return screenPoint;
}