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package org.libreoffice;
import android.graphics.Bitmap;
import android.util.Log;
import org.mozilla.gecko.gfx.LayerController;
import java.nio.ByteBuffer;
import java.util.Iterator;
import org.libreoffice.kit.LibreOfficeKit;
import org.libreoffice.kit.Office;
import org.libreoffice.kit.Document;
public class LOKitTileProvider implements TileProvider {
private final LayerController mLayerController;
public static int TILE_SIZE = 256;
public final Office mOffice;
public final Document mDocument;
public LOKitTileProvider(LayerController layerController) {
this.mLayerController = layerController;
LibreOfficeKit.putenv("SAL_LOG=+WARN+INFO-INFO.legacy.osl-INFO.i18nlangtag");
LibreOfficeKit.init(LibreOfficeMainActivity.mAppContext);
mOffice = new Office(LibreOfficeKit.getLibreOfficeKitHandle());
String input = "/assets/test1.odt";
mDocument = mOffice.documentLoad(input);
}
@Override
public int getPageWidth() {
return (int) (mDocument.getDocumentWidth() / 1440.0 * LOKitShell.getDpi());
}
@Override
public int getPageHeight() {
return (int) (mDocument.getDocumentHeight() / 1440.0 * LOKitShell.getDpi());
}
public TileIterator getTileIterator() {
return new LoKitTileIterator();
}
public class LoKitTileIterator implements TileIterator, Iterator<Bitmap> {
private final double mTileWidth;
private final double mTileHeight;
private boolean mShouldContinue = true;
private double mPositionWidth = 0;
private double mPositionHeight = 0;
private double mPageWidth;
private double mPageHeight;
public LoKitTileIterator() {
mTileWidth = (TILE_SIZE / (double) LOKitShell.getDpi()) * 1440.0;
mTileHeight = (TILE_SIZE / (double) LOKitShell.getDpi()) * 1440.0;
mPageWidth = mDocument.getDocumentWidth();
mPageHeight = mDocument.getDocumentHeight();
}
@Override
public boolean hasNext() {
return mShouldContinue;
}
@Override
public Bitmap next() {
ByteBuffer buffer = ByteBuffer.allocateDirect(TILE_SIZE * TILE_SIZE * 4);
Bitmap bitmap = Bitmap.createBitmap(TILE_SIZE, TILE_SIZE, Bitmap.Config.ARGB_8888);
mDocument.paintTile(buffer, TILE_SIZE, TILE_SIZE, (int) mPositionWidth, (int) mPositionHeight, (int) mTileWidth, (int) mTileHeight);
mPositionWidth += mTileWidth;
if (mPositionWidth > mPageWidth) {
mPositionHeight += mTileHeight;
mPositionWidth = 0;
}
if (mPositionHeight > mPageHeight || mPositionHeight > 20000) {
mShouldContinue = false;
}
bitmap.copyPixelsFromBuffer(buffer);
return bitmap;
}
@Override
public void remove() {
throw new UnsupportedOperationException();
}
@Override
public Iterator<Bitmap> iterator() {
return this;
}
}
}
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