/*
* Copyright 2012 david gonzalez.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.activecq.tools.quickimage.helpers;
import com.activecq.tools.quickimage.Constants;
import com.day.cq.commons.PathInfo;
import org.apache.commons.lang.StringUtils;
/**
* User: david
*/
public class QuickImageHelper {
/**
* Convenience wrapper for getSrc(..) supporting only rotation
*
* @param path to image resource to rendition
* @param rotation degrees to rotate image
* @return a well-formed absolute QuickImage URI
*/
public static String getSrc(String path, int rotation) {
return getSrc(path, 0, 0, rotation, 0, 0, 0, 0);
}
/**
* Convenience wrapper for getSrc(..) supporting only width and/or height resizing
*
* @param path to image resource to rendition
* @param width 0 will set width to proportionately scale
* @param height 0 will set height to proportionately scale
* @return a well-formed absolute QuickImage URI
*/
public static String getSrc(String path, int width, int height) {
return getSrc(path, width, height, 0, 0, 0, 0, 0);
}
/**
* Convenience wrapper for getSrc(..) supporting only cropping
*
* @param path to image resource to rendition
* @param cropX top left x-coordinate to begin drawing the crop rectangle
* @param cropY top left y-coordinate to begin drawing the crop rectangle
* @param cropWidth crop rectangle width starting from cropX,cropY
* @param cropHeight crop rectangle height starting from cropX,cropY
* @return a well-formed absolute QuickImage URI
*/
public static String getSrc(String path, int cropX, int cropY, int cropWidth, int cropHeight) {
return getSrc(path, 0, 0, 0, cropX, cropY, cropWidth, cropHeight);
}
/**
* Generates a QuickImage URI based on provided params
*
* @param path to image resource to rendition
* @param width 0 will set width to proportionately scale
* @param height 0 will set height to proportionately scale
* @param rotation degrees to rotate image
* @param cropX top left x-coordinate to begin drawing the crop rectangle
* @param cropY top left y-coordinate to begin drawing the crop rectangle
* @param cropWidth crop rectangle width starting from cropX,cropY
* @param cropHeight crop rectangle height starting from cropX,cropY
* @return a well-formed absolute QuickImage URI
*/
public static String getSrc(String path, int width, int height, int rotation, int cropX, int cropY, int cropWidth, int cropHeight) {
final PathInfo pathInfo = new PathInfo(path);
final String extension = pathInfo.getExtension();
String src = path + ".img";
if(StringUtils.isNotBlank(extension)) {
src += "." + extension;
}
src += "/" + Constants.KEY_QUICK;
if(width > 0) {
src += "/" + Constants.KEY_WIDTH + "/" + width;
}
if(height > 0) {
src += "/" + Constants.KEY_HEIGHT + "/" + height;
}
if(rotation != 0) {
src += "/" + Constants.KEY_ROTATE + "/" + rotation;
}
if(cropX > 0 && cropY > 0 && cropWidth > 0 && cropHeight > 0) {
src += "/" + Constants.KEY_CROP;
src += "/" + cropX;
src += "/" + cropY;
src += "/" + cropWidth;
src += "/" + cropHeight;
}
src += "/image.";
if(StringUtils.isBlank(extension)) {
src += "png";
} else {
src += extension;
}
return src;
}
}