protected void applyBackground( DrawContext dc, WWIcon icon, Vec4 screenPoint, double width, double height, double pedestalSpacing, double pedestalScale) { GL2 gl = dc.getGL().getGL2(); // GL initialization checks for GL2 compatibility. double backgroundScale; backgroundScale = icon.getBackgroundScale(); if (icon.getBackgroundTexture() != null) { if (icon.getBackgroundTexture().bind(dc)) { TextureCoords texCoords = icon.getBackgroundTexture().getTexCoords(); gl.glPushMatrix(); gl.glLoadIdentity(); double bgwidth = backgroundScale * width; double bgheight = backgroundScale * height; // Offset the background for the highlighted scale. // if (icon.isHighlighted()) // { // gl.glTranslated(0d, height * (icon.getHighlightScale() - 1) / 2, 0d); // } // Offset the background for the pedestal height. gl.glTranslated(0d, (pedestalScale * height) + pedestalSpacing, 0d); // Place the background centered behind the icon. gl.glTranslated(screenPoint.x - bgwidth / 2, screenPoint.y - (bgheight - height) / 2, 0d); // Scale to the background image dimension. gl.glScaled(bgwidth, bgheight, 1d); dc.drawUnitQuad(texCoords); gl.glPopMatrix(); } } }