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; }