/**
* Wraps a BufferedImage inside a Photoshop _8BIM
*
* @param thumbnail input thumbnail image
* @return a Photoshop _8BMI
* @throws IOException
*/
public static _8BIM createThumbnail8BIM(Bitmap thumbnail) throws IOException {
// Create memory buffer to write data
ByteArrayOutputStream bout = new ByteArrayOutputStream();
// Compress the thumbnail
try {
thumbnail.compress(Bitmap.CompressFormat.JPEG, 100, bout);
} catch (Exception e) {
e.printStackTrace();
}
byte[] data = bout.toByteArray();
bout.reset();
// Write thumbnail format
IOUtils.writeIntMM(bout, 1); // 1 = kJpegRGB. We are going to write JPEG format thumbnail
// Write thumbnail dimension
int width = thumbnail.getWidth();
int height = thumbnail.getHeight();
IOUtils.writeIntMM(bout, width);
IOUtils.writeIntMM(bout, height);
// Padded row bytes = (width * bits per pixel + 31) / 32 * 4.
int bitsPerPixel = 24;
int planes = 1;
int widthBytes = (width * bitsPerPixel + 31) / 32 * 4;
IOUtils.writeIntMM(bout, widthBytes);
// Total size = widthbytes * height * planes
IOUtils.writeIntMM(bout, widthBytes * height * planes);
// Size after compression. Used for consistency check.
IOUtils.writeIntMM(bout, data.length);
IOUtils.writeShortMM(bout, bitsPerPixel);
IOUtils.writeShortMM(bout, planes);
bout.write(data);
// Create 8BIM
_8BIM bim = new _8BIM(ImageResourceID.THUMBNAIL_RESOURCE_PS5, "thumbnail", bout.toByteArray());
return bim;
}
