com.github.moaxcp.x11client.protocol.xfixes.FetchRegionReply Maven / Gradle / Ivy

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An x11 client implemented in java

There is a newer version: 0.18.2

package com.github.moaxcp.x11client.protocol.xfixes;

import com.github.moaxcp.x11client.protocol.X11Input;
import com.github.moaxcp.x11client.protocol.X11Output;
import com.github.moaxcp.x11client.protocol.XObject;
import com.github.moaxcp.x11client.protocol.XReply;
import com.github.moaxcp.x11client.protocol.xproto.Rectangle;
import java.io.IOException;
import java.lang.Override;
import java.util.ArrayList;
import java.util.List;
import lombok.Builder;
import lombok.NonNull;
import lombok.Value;

@Value
@Builder
public class FetchRegionReply implements XReply {
  private short sequenceNumber;

  @NonNull
  private Rectangle extents;

  @NonNull
  private List rectangles;

  public static FetchRegionReply readFetchRegionReply(byte pad, short sequenceNumber, X11Input in)
      throws IOException {
    int length = in.readCard32();
    Rectangle extents = Rectangle.readRectangle(in);
    in.readPad(16);
    List rectangles = new ArrayList<>((int) (Integer.toUnsignedLong(length) / 2));
    for(int i = 0; i < Integer.toUnsignedLong(length) / 2; i++) {
      rectangles.add(Rectangle.readRectangle(in));
    }
    FetchRegionReply.FetchRegionReplyBuilder javaBuilder = FetchRegionReply.builder();
    javaBuilder.sequenceNumber(sequenceNumber);
    javaBuilder.extents(extents);
    javaBuilder.rectangles(rectangles);
    if(javaBuilder.getSize() < 32) {
      in.readPad(32 - javaBuilder.getSize());
    }
    return javaBuilder.build();
  }

  @Override
  public void write(X11Output out) throws IOException {
    out.writeCard8(getResponseCode());
    out.writePad(1);
    out.writeCard16(sequenceNumber);
    out.writeCard32(getLength());
    extents.write(out);
    out.writePad(16);
    for(Rectangle t : rectangles) {
      t.write(out);
    }
    out.writePadAlign(getSize());
  }

  @Override
  public int getSize() {
    return 32 + XObject.sizeOf(rectangles);
  }

  public static class FetchRegionReplyBuilder {
    public int getSize() {
      return 32 + XObject.sizeOf(rectangles);
    }
  }
}