<%@page contentType="image/jpeg"%>
<%@page import="com.sun.image.codec.jpeg.*"%>
<%@page import="java.awt.Graphics"%>
<%@page import="java.awt.Image"%>
<%@page import="java.awt.Color"%>
<%@page import="java.awt.image.BufferedImage"%>
<%@page import="java.io.FileInputStream"%>
<%@ include file="includes/systempaths.jsp"%>
<%
        int newWidth = INT_THUMB_WIDTH;
        int newHeight = INT_THUMB_HEIGHT;

        String sourcePath = photoUpload + "/start.jpg";
		
		if (request.getParameter("randomimage") != null && request.getParameter("randomimage").equals("true") && request.getParameter("collectionid") != null)	
		{
			%><%@ include file="includes/dbinclude.jsp"%><%
			Statement stmt = myConn.createStatement();
			ResultSet rs = stmt.executeQuery("SELECT * FROM photos WHERE collectionid=" + request.getParameter("collectionid") + " ORDER BY RAND() LIMIT 0,1");
			if (rs.next())	
			{
				sourcePath = photoUpload + "/image" + rs.getString("imageid") + ".jpg";
			}
			myConn.close();
		}
		else if (request.getParameter("imageid") != null)	
		{
	        	sourcePath = photoUpload + "/" + request.getParameter("imageid");
		}
		else if (request.getParameter("src") != null)
		{
			sourcePath = universityBase + "/" + request.getParameter("src");
		}

                if (request.getParameter("newwidth") != null)
                {
                    //int tempWidth = newWidth;
                    newWidth = Integer.parseInt((String)request.getParameter("newwidth"));
                    //newHeight = (int)(((double)newWidth / (double)tempWidth) * (double)newHeight);
                }
                
                if (request.getParameter("newheight") != null)
                {
                    //int tempWidth = newWidth;
                    newHeight = Integer.parseInt((String)request.getParameter("newheight"));
                    //newHeight = (int)(((double)newWidth / (double)tempWidth) * (double)newHeight);
                }

try
{
		
        FileInputStream hank = new FileInputStream(sourcePath);
        BufferedImage bi = com.sun.image.codec.jpeg.JPEGCodec.createJPEGDecoder(hank).decodeAsBufferedImage();
        hank.close();
        
        double heightRatio = ((double)newHeight) / ((double)bi.getHeight());
        double widthRatio = ((double)newWidth) / ((double)bi.getWidth());
        double useRatio = Math.min(widthRatio, heightRatio);
        
        if ("true".equals(request.getParameter("forcewidth")))
        	useRatio = widthRatio;
        else if ("true".equals(request.getParameter("forceheight")))
        	useRatio = heightRatio;
        	
        newHeight = (int)(bi.getHeight() * useRatio);
        newWidth = (int)(bi.getWidth() * useRatio);

        Image bi2 = bi.getScaledInstance(newWidth, newHeight, bi.SCALE_AREA_AVERAGING);
        bi = new BufferedImage(newWidth, newHeight, bi.getType());

        bi.getGraphics().drawImage(bi2, 0, 0, newWidth, newHeight, null);
        com.sun.image.codec.jpeg.JPEGImageEncoder sam = com.sun.image.codec.jpeg.JPEGCodec.createJPEGEncoder(response.getOutputStream());
        sam.encode(bi);
}
catch (Exception e)
{

}
%>