// 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 com.cloud.consoleproxy.vnc;

/**
 * VncScreenDescription - contains information about remote VNC screen.
 */
public class VncScreenDescription {

    // Frame buffer size
    private int framebufferWidth = -1;
    private int framebufferHeight = -1;

    // Desktop name
    private String desktopName;

    // Bytes per pixel
    private int bytesPerPixel;

    // Indicates that screen uses format which we want to use:
    // RGB 24bit packed into 32bit little-endian int.
    private boolean rgb888Bit32le = false;

    public VncScreenDescription() {
    }

    /**
     * Store information about server pixel format.
     */
    public void setPixelFormat(int bitsPerPixel, int depth, int bigEndianFlag, int trueColorFlag, int redMax, int greenMax, int blueMax, int redShift, int greenShift,
        int blueShift) {

        bytesPerPixel = (bitsPerPixel + 7) / 8;

        rgb888Bit32le =
            (depth == 24 && bitsPerPixel == 32 && redShift == 16 && greenShift == 8 && blueShift == 0 && redMax == 255 && greenMax == 255 && blueMax == 255 &&
                bigEndianFlag == RfbConstants.LITTLE_ENDIAN && trueColorFlag == RfbConstants.TRUE_COLOR);
    }

    /**
     * Store information about server screen size.
     */
    public void setFramebufferSize(int framebufferWidth, int framebufferHeight) {
        this.framebufferWidth = framebufferWidth;
        this.framebufferHeight = framebufferHeight;
    }

    /**
     * Store server desktop name.
     */
    public void setDesktopName(String desktopName) {
        this.desktopName = desktopName;
    }

    // Getters for variables, as usual

    public String getDesktopName() {
        return desktopName;
    }

    public int getBytesPerPixel() {
        return bytesPerPixel;
    }

    public int getFramebufferHeight() {
        return framebufferHeight;
    }

    public int getFramebufferWidth() {
        return framebufferWidth;
    }

    public boolean isRGB888_32_LE() {
        return rgb888Bit32le;
    }

}