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Diffstat (limited to 'src/java/org/apache/poi/sl/draw/DrawFactory.java')
| -rw-r--r-- | src/java/org/apache/poi/sl/draw/DrawFactory.java | 148 |
1 files changed, 148 insertions, 0 deletions
diff --git a/src/java/org/apache/poi/sl/draw/DrawFactory.java b/src/java/org/apache/poi/sl/draw/DrawFactory.java new file mode 100644 index 0000000000..97b3f52147 --- /dev/null +++ b/src/java/org/apache/poi/sl/draw/DrawFactory.java @@ -0,0 +1,148 @@ +/* ====================================================================
+ 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.poi.sl.draw;
+
+import static org.apache.poi.sl.draw.Drawable.DRAW_FACTORY;
+
+import java.awt.Graphics2D;
+import java.awt.font.TextLayout;
+import java.text.AttributedString;
+
+import org.apache.poi.sl.usermodel.*;
+
+public class DrawFactory {
+ protected static ThreadLocal<DrawFactory> defaultFactory = new ThreadLocal<DrawFactory>();
+
+ /**
+ * Set a custom draw factory for the current thread.
+ * This is a fallback, for operations where usercode can't set a graphics context.
+ * Preferably use the rendering hint {@link Drawable#DRAW_FACTORY} to set the factory.
+ *
+ * @param factory
+ */
+ public static void setDefaultFactory(DrawFactory factory) {
+ defaultFactory.set(factory);
+ }
+
+ public static DrawFactory getInstance(Graphics2D graphics) {
+ // first try to find the factory over the rendering hint
+ DrawFactory factory = null;
+ boolean isHint = false;
+ if (graphics != null) {
+ factory = (DrawFactory)graphics.getRenderingHint(DRAW_FACTORY);
+ isHint = (factory != null);
+ }
+ // secondly try the thread local default
+ if (factory == null) {
+ factory = defaultFactory.get();
+ }
+ // and at last, use the default factory
+ if (factory == null) {
+ factory = new DrawFactory();
+ }
+ if (graphics != null && !isHint) {
+ graphics.setRenderingHint(DRAW_FACTORY, factory);
+ }
+ return factory;
+ }
+
+ @SuppressWarnings("unchecked")
+ public Drawable getDrawable(Shape shape) {
+ if (shape instanceof TextBox) {
+ return getDrawable((TextBox<? extends TextParagraph<? extends TextRun>>)shape);
+ } else if (shape instanceof FreeformShape) {
+ return getDrawable((FreeformShape<? extends TextParagraph<? extends TextRun>>)shape);
+ } else if (shape instanceof TextShape) {
+ return getDrawable((TextShape<? extends TextParagraph<? extends TextRun>>)shape);
+ } else if (shape instanceof GroupShape) {
+ return getDrawable((GroupShape<? extends Shape>)shape);
+ } else if (shape instanceof PictureShape) {
+ return getDrawable((PictureShape)shape);
+ } else if (shape instanceof Background) {
+ return getDrawable((Background)shape);
+ } else if (shape instanceof ConnectorShape) {
+ return getDrawable((ConnectorShape)shape);
+ } else if (shape instanceof TableShape) {
+ return getDrawable((TableShape)shape);
+ } else if (shape instanceof Slide) {
+ return getDrawable((Slide<? extends Shape, ? extends SlideShow, ? extends Notes<?,?>>)shape);
+ } else if (shape instanceof MasterSheet) {
+ return getDrawable((MasterSheet<? extends Shape, ? extends SlideShow>)shape);
+ } else if (shape instanceof Sheet) {
+ return getDrawable((Sheet<? extends Shape, ? extends SlideShow>)shape);
+ }
+
+ throw new IllegalArgumentException("Unsupported shape type: "+shape.getClass());
+ }
+
+ public <T extends Slide<? extends Shape, ? extends SlideShow, ? extends Notes<?,?>>> DrawSlide<T> getDrawable(T sheet) {
+ return new DrawSlide<T>(sheet);
+ }
+
+ public <T extends Sheet<? extends Shape, ? extends SlideShow>> DrawSheet<T> getDrawable(T sheet) {
+ return new DrawSheet<T>(sheet);
+ }
+
+ public <T extends MasterSheet<? extends Shape, ? extends SlideShow>> DrawMasterSheet<T> getDrawable(T sheet) {
+ return new DrawMasterSheet<T>(sheet);
+ }
+
+ public <T extends TextBox<? extends TextParagraph<?>>> DrawTextBox<T> getDrawable(T shape) {
+ return new DrawTextBox<T>(shape);
+ }
+
+ public <T extends FreeformShape<? extends TextParagraph<? extends TextRun>>> DrawFreeformShape<T> getDrawable(T shape) {
+ return new DrawFreeformShape<T>(shape);
+ }
+
+ public <T extends ConnectorShape> DrawConnectorShape<T> getDrawable(T shape) {
+ return new DrawConnectorShape<T>(shape);
+ }
+
+ public <T extends TableShape> DrawTableShape<T> getDrawable(T shape) {
+ return new DrawTableShape<T>(shape);
+ }
+
+ public <T extends TextShape<? extends TextParagraph<? extends TextRun>>> DrawTextShape<T> getDrawable(T shape) {
+ return new DrawTextShape<T>(shape);
+ }
+
+ public <T extends GroupShape<? extends Shape>> DrawGroupShape<T> getDrawable(T shape) {
+ return new DrawGroupShape<T>(shape);
+ }
+
+ public <T extends PictureShape> DrawPictureShape<T> getDrawable(T shape) {
+ return new DrawPictureShape<T>(shape);
+ }
+
+ public <T extends TextRun> DrawTextParagraph<T> getDrawable(TextParagraph<T> paragraph) {
+ return new DrawTextParagraph<T>(paragraph);
+ }
+
+ public <T extends Background> DrawBackground<T> getDrawable(T shape) {
+ return new DrawBackground<T>(shape);
+ }
+
+ public DrawTextFragment getTextFragment(TextLayout layout, AttributedString str) {
+ return new DrawTextFragment(layout, str);
+ }
+
+ public DrawPaint getPaint(PlaceableShape shape) {
+ return new DrawPaint(shape);
+ }
+}
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