1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768697071727374757677787980818283848586878889909192939495 |
- /* ====================================================================
- 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.hslf.blip;
-
- import org.apache.poi.hslf.usermodel.HSLFPictureData;
- import org.apache.poi.hslf.usermodel.HSLFPictureShape;
- import org.apache.poi.util.POILogger;
- import org.apache.poi.util.POILogFactory;
-
-
-
-
-
- /* ====================================================================
- 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.
- ==================================================================== */
- import javax.imageio.ImageIO;
-
- import java.awt.*;
- import java.awt.geom.AffineTransform;
- import java.awt.image.BufferedImage;
- import java.io.ByteArrayInputStream;
-
- /**
- * Creates BufferedImage using javax.imageio.ImageIO and draws it in the specified graphics.
- *
- * @author Yegor Kozlov.
- */
- public final class BitmapPainter implements ImagePainter {
- protected POILogger logger = POILogFactory.getLogger(this.getClass());
-
- public void paint(Graphics2D graphics, HSLFPictureData pict, HSLFPictureShape parent) {
- BufferedImage img;
- try {
- img = ImageIO.read(new ByteArrayInputStream(pict.getData()));
- } catch (Exception e) {
- logger.log(POILogger.WARN, "ImageIO failed to create image. image.type: " + pict.getType());
- return;
- }
-
- boolean isClipped = true;
- Insets clip = parent.getBlipClip();
- if (clip == null) {
- isClipped = false;
- clip = new Insets(0,0,0,0);
- }
-
- int iw = img.getWidth();
- int ih = img.getHeight();
-
- Rectangle anchor = parent.getLogicalAnchor2D().getBounds();
-
- double cw = (100000-clip.left-clip.right) / 100000.0;
- double ch = (100000-clip.top-clip.bottom) / 100000.0;
- double sx = anchor.getWidth()/(iw*cw);
- double sy = anchor.getHeight()/(ih*ch);
- double tx = anchor.getX()-(iw*sx*clip.left/100000.0);
- double ty = anchor.getY()-(ih*sy*clip.top/100000.0);
- AffineTransform at = new AffineTransform(sx, 0, 0, sy, tx, ty) ;
-
- Shape clipOld = graphics.getClip();
- if (isClipped) graphics.clip(anchor.getBounds2D());
- graphics.drawRenderedImage(img, at);
- graphics.setClip(clipOld);
- }
-
- }
|