[LIB-9] Add functional for transcoding vector images

[chesshog.git] / chesshog-graphics / src / main / java / org / hedgecode / chess / img / ImageFormatShaper.java

diff --git a/chesshog-graphics/src/main/java/org/hedgecode/chess/img/ImageFormatShaper.java b/chesshog-graphics/src/main/java/org/hedgecode/chess/img/ImageFormatShaper.java
new file mode 100644 (file)
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+++ b/chesshog-graphics/src/main/java/org/hedgecode/chess/img/ImageFormatShaper.java
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+/*
+ * Copyright (c) 2018-2019. Developed by Hedgecode.
+ *
+ * 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 org.hedgecode.chess.img;
+
+import java.awt.image.BufferedImage;
+import java.io.InputStream;
+import java.util.HashMap;
+import java.util.Map;
+
+import org.hedgecode.chess.img.bitmap.BitmapImageShaper;
+import org.hedgecode.chess.img.vector.VectorImageShaper;
+
+import static org.hedgecode.chess.img.ImageFormat.Type;
+
+/**
+ * Shaper for images, indicated by type format.
+ *
+ * @author Dmitry Samoshin aka gotty
+ */
+public final class ImageFormatShaper {
+
+    private static ImageFormatShaper _instance = new ImageFormatShaper();
+
+    private Map<Type, ImageShaper> imageShapers = new HashMap<>();
+
+    private ImageFormatShaper() {
+        imageShapers.put(
+                Type.BITMAP,
+                BitmapImageShaper.create()
+        );
+        imageShapers.put(
+                Type.VECTOR,
+                VectorImageShaper.create()
+        );
+    }
+
+    public BufferedImage shape(String imageFormat, InputStream imageStream, int size)
+            throws ImageException
+    {
+        ImageFormat format = ImageFormat.findFormat(imageFormat);
+        if (format != null) {
+            ImageShaper imageShaper = imageShapers.get(
+                    format.getType()
+            );
+            return imageShaper.shape(imageStream, size);
+        } else {
+            throw new ImageException("image.unknown.image.format", imageFormat);
+        }
+    }
+
+    public static ImageFormatShaper getInstance() {
+        return _instance;
+    }
+
+}