com.github.moaxcp.x11client.protocol.xfixes.SetRegion 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.OneWayRequest;
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.xproto.Rectangle;
import java.io.IOException;
import java.lang.Byte;
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 SetRegion implements OneWayRequest {
  public static final byte OPCODE = 11;

  private int region;

  @NonNull
  private List rectangles;

  public byte getOpCode() {
    return OPCODE;
  }

  public static SetRegion readSetRegion(X11Input in) throws IOException {
    int javaStart = 1;
    in.readPad(1);
    javaStart += 1;
    short length = in.readCard16();
    javaStart += 2;
    int region = in.readCard32();
    javaStart += 4;
    List rectangles = new ArrayList<>(length - javaStart);
    while(javaStart < Short.toUnsignedInt(length) * 4) {
      Rectangle baseObject = Rectangle.readRectangle(in);
      rectangles.add(baseObject);
      javaStart += baseObject.getSize();
    }
    SetRegion.SetRegionBuilder javaBuilder = SetRegion.builder();
    javaBuilder.region(region);
    javaBuilder.rectangles(rectangles);
    in.readPadAlign(javaBuilder.getSize());
    return javaBuilder.build();
  }

  @Override
  public void write(byte offset, X11Output out) throws IOException {
    out.writeCard8((byte)(Byte.toUnsignedInt(OPCODE) + Byte.toUnsignedInt(offset)));
    out.writePad(1);
    out.writeCard16((short) getLength());
    out.writeCard32(region);
    for(Rectangle t : rectangles) {
      t.write(out);
    }
    out.writePadAlign(getSize());
  }

  @Override
  public int getSize() {
    return 8 + XObject.sizeOf(rectangles);
  }

  public static class SetRegionBuilder {
    public int getSize() {
      return 8 + XObject.sizeOf(rectangles);
    }
  }
}