/*
* Copyright 1997-2008 Day Management AG
* Barfuesserplatz 6, 4001 Basel, Switzerland
* All Rights Reserved.
*
* This software is the confidential and proprietary information of
* Day Management AG, ("Confidential Information"). You shall not
* disclose such Confidential Information and shall use it only in
* accordance with the terms of the license agreement you entered into
* with Day.
*/
package apps.geometrixx.components.contentpage;
import java.awt.Color;
import java.awt.Paint;
import java.awt.geom.Rectangle2D;
import java.io.IOException;
import javax.jcr.RepositoryException;
import com.day.cq.wcm.api.Page;
import com.day.cq.wcm.api.PageManager;
import com.day.cq.wcm.api.components.Component;
import com.day.cq.commons.SlingRepositoryException;
import com.day.cq.wcm.commons.WCMUtils;
import com.day.cq.wcm.commons.AbstractImageServlet;
import com.day.cq.wcm.foundation.ImageHelper;
import com.day.image.Font;
import com.day.image.Layer;
import org.apache.sling.api.SlingHttpServletRequest;
import org.apache.sling.api.SlingHttpServletResponse;
import org.apache.sling.api.resource.Resource;
import org.apache.sling.api.servlets.SlingSafeMethodsServlet;
/**
* Renders the navigation image
*/
public class navimage_png extends AbstractImageServlet {
protected Layer createLayer(ImageContext ctx)
throws RepositoryException, IOException {
PageManager pageManager = ctx.resolver.adaptTo(PageManager.class);
Page currentPage = pageManager.getContainingPage(ctx.resource);
// constants
int scale = 6;
int paddingX = 24;
int paddingY = 24;
Color bgColor = new Color(0x004a565c, true);
String title = currentPage.getNavigationTitle();
if (title == null) {
title = currentPage.getTitle();
}
if (title == null) {
title = currentPage.getName();
}
title = title.toUpperCase();
Paint titleColor = Color.WHITE;
Font titleFont = new Font("Myriad Pro", 10 * scale, Font.BOLD);
int titleBase = 10 * scale;
String subtitle = currentPage.getProperties().get("subtitle", "");
Paint subtitleColor = new Color(0xffa9afb1, true);
Font subTitleFont = new Font("Tahoma", 7);
int subTitleBase = 20;
// load background image from docroot
Component c = WCMUtils.getComponent(ctx.resource);
Layer bg = ImageHelper.createLayer(c.getLocalResource("navimage_bg.jpg"));
// draw the title text (4 times bigger)
Rectangle2D titleExtent = titleFont.getTextExtent(0, 0, 0, 0, title, Font.ALIGN_LEFT, 0, 0);
Rectangle2D subtitleExtent = subTitleFont.getTextExtent(0, 0, 0, 0, subtitle, Font.ALIGN_LEFT, 0, 0);
// check if subtitleExtent is too width
if ( subtitle.length() > 0 ) {
int titleWidth = (int)titleExtent.getWidth() / scale;
if ( subtitleExtent.getWidth() > titleWidth && subtitleExtent.getWidth() + 2 * paddingX > bg.getWidth() ) {
int charWidth = (int)subtitleExtent.getWidth() / subtitle.length();
int maxWidth = (bg.getWidth() > titleWidth + 2 * paddingX ? bg.getWidth() - 2 * paddingX : titleWidth);
int len = (maxWidth - ( 2 * charWidth) ) / charWidth;
subtitle = subtitle.substring(0, len) + "...";
subtitleExtent = subTitleFont.getTextExtent(0, 0, 0, 0, subtitle, Font.ALIGN_LEFT, 0, 0);
}
}
int width = Math.max((int) titleExtent.getWidth(), (int) subtitleExtent.getWidth());
Layer text = new Layer(width, (int) titleExtent.getHeight() + 40, new Color(0x01ffffff, true));
text.setPaint(titleColor);
text.drawText(0, titleBase, 0, 0, title, titleFont, Font.ALIGN_LEFT | Font.ALIGN_BASE, 0, 0);
text.resize(text.getWidth() / scale, text.getHeight() / scale);
text.setX(0);
text.setY(0);
if (subtitle.length() > 0) {
// draw the subtitle normal sized
text.setPaint(subtitleColor);
text.drawText(0, subTitleBase, 0, 0, subtitle, subTitleFont, Font.ALIGN_LEFT | Font.ALIGN_BASE, 0, 0);
}
// and merge the layers
text.setY(paddingY);
text.setX(paddingX);
text.setBackgroundColor(bgColor);
int bgWidth = bg.getWidth();
if ( text.getWidth() + 2 * paddingX > bgWidth ) {
bgWidth = text.getWidth() + 2 * paddingX;
bg.resize(bgWidth, bg.getHeight());
}
bg.merge(text);
return bg;
}
}