Extensions/ImageGlass.Core/ImgFilter.cs

这里只显示每个文件的开头 60 行。登录后可以解锁完整代码。

微信扫码关注公众号，代码整理好后第一时间通知你。

/*
 * imaeg - generic image utility in C#
 * Copyright (C) 2010  ed <tripflag@gmail.com>
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License v2
 * (version 2) as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, refer to the following URL:
 * http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt
 */
using System;
using System.Collections.Generic;
using System.Text;
using System.Drawing;
using System.Drawing.Imaging;

namespace ImageGlass.Core
{
    public class ImgFilter
    {

        int rotate;
        bool changed;
        float _brigh, _contr, _gamma;
        public const float DEFAULT_BRIGH = 0f; // [-1..+1] where higher = brighter
        public const float DEFAULT_CONTR = 1f; // [ 0..n ] where higher = stronger
        public const float DEFAULT_GAMMA = 1f; // [ 0..n ] where higher = darker

        public ImgFilter()
        {
            rotate = 0;
            _brigh = DEFAULT_BRIGH;
            _contr = DEFAULT_CONTR;
            _gamma = DEFAULT_GAMMA;
        }

        public bool HasChanged()
        {
            bool ret = changed;
            changed = false;
            return ret;
        }

        public void IncRotate(int i)
        {
            int oldrot = rotate;
            rotate += i;
            if (rotate < 0) rotate = 3;
            if (rotate > 3) rotate = 0;
            if (oldrot != rotate)
                changed = true;
        }