| /******************************************************************************* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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 org.apache.olingo.odata2.annotation.processor.core.model; |
| |
| import java.awt.image.BufferedImage; |
| import java.awt.image.WritableRaster; |
| import java.io.ByteArrayOutputStream; |
| import java.io.IOException; |
| |
| import javax.imageio.ImageIO; |
| |
| /** |
| * |
| */ |
| public class ResourceHelper { |
| |
| public enum Format { |
| BMP, JPEG, PNG, GIF |
| }; |
| |
| public static byte[] generateImage() { |
| return generateImage(Format.PNG); |
| } |
| |
| public static byte[] generateImage(final Format format) { |
| try { |
| int width = 320; |
| int height = 320; |
| BufferedImage image = new BufferedImage(width, height, BufferedImage.TYPE_BYTE_BINARY); |
| WritableRaster raster = image.getRaster(); |
| |
| int mod = format.ordinal() + 2; |
| for (int h = 0; h < height; h++) { |
| for (int w = 0; w < width; w++) { |
| if (((h / 32) + (w / 32)) % mod == 0) { |
| raster.setSample(w, h, 0, 0); |
| } else { |
| raster.setSample(w, h, 0, 1); |
| } |
| } |
| } |
| |
| ByteArrayOutputStream out = new ByteArrayOutputStream(1024); |
| ImageIO.write(image, format.name(), out); |
| return out.toByteArray(); |
| } catch (IOException ex) { |
| return new byte[0]; |
| } |
| } |
| } |