mirror of
https://github.com/ShareX/ShareX.git
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570 lines
No EOL
17 KiB
C#
570 lines
No EOL
17 KiB
C#
#region License Information (GPL v3)
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/*
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ShareX - A program that allows you to take screenshots and share any file type
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Copyright (c) 2007-2015 ShareX Team
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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Optionally you can also view the license at <http://www.gnu.org/licenses/>.
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*/
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#endregion License Information (GPL v3)
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using ShareX.HelpersLib;
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using System;
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using System.Collections.Generic;
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using System.Drawing;
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using System.Linq;
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using System.Windows.Forms;
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namespace ShareX.ScreenCaptureLib
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{
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public class AreaManager
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{
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public List<RegionInfo> Areas { get; private set; }
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public RegionInfo[] ValidAreas
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{
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get
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{
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return Areas.Where(x => IsAreaValid(x.Area)).ToArray();
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}
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}
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public int SelectedAreaIndex { get; private set; }
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public RegionInfo CurrentRegionInfo
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{
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get
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{
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if (SelectedAreaIndex > -1)
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{
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return Areas[SelectedAreaIndex];
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}
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return null;
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}
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}
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public Rectangle CurrentArea
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{
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get
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{
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if (SelectedAreaIndex > -1)
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{
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return Areas[SelectedAreaIndex].Area;
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}
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return Rectangle.Empty;
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}
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set
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{
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if (SelectedAreaIndex > -1)
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{
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Areas[SelectedAreaIndex].Area = value;
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}
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}
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}
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public bool IsCurrentAreaValid
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{
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get
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{
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return IsAreaValid(CurrentArea);
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}
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}
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public Rectangle CurrentHoverArea { get; private set; }
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public bool IsCurrentHoverAreaValid
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{
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get
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{
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return IsAreaValid(CurrentHoverArea);
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}
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}
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public float RoundedRectangleRadius { get; set; }
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public int RoundedRectangleRadiusIncrement { get; set; }
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public TriangleAngle TriangleAngle { get; set; }
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public Point CurrentPosition { get; private set; }
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public Point PositionOnClick { get; private set; }
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public ResizeManager ResizeManager { get; private set; }
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public bool IsCreating { get; private set; }
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public bool IsMoving { get; private set; }
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public bool IsResizing
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{
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get
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{
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return ResizeManager.IsResizing;
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}
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}
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public bool IsProportionalResizing { get; private set; }
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public bool IsSnapResizing { get; private set; }
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public List<Rectangle> Windows { get; set; }
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public bool WindowCaptureMode { get; set; }
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public bool IncludeControls { get; set; }
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public int MinimumSize { get; set; }
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private RectangleRegion surface;
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public AreaManager(RectangleRegion surface)
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{
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this.surface = surface;
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ResizeManager = new ResizeManager(surface, this);
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Areas = new List<RegionInfo>();
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SelectedAreaIndex = -1;
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RoundedRectangleRadius = 25;
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RoundedRectangleRadiusIncrement = 3;
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TriangleAngle = TriangleAngle.Top;
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MinimumSize = 10;
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surface.MouseDown += surface_MouseDown;
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surface.MouseUp += surface_MouseUp;
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surface.KeyDown += surface_KeyDown;
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surface.KeyUp += surface_KeyUp;
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}
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private void surface_KeyDown(object sender, KeyEventArgs e)
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{
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switch (e.KeyCode)
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{
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case Keys.Insert:
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if (IsCreating)
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{
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EndRegionSelection();
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}
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else
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{
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int areaIndex = SelectedAreaIndex;
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if (ResizeManager.Visible)
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{
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DeselectArea();
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}
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if (0 > areaIndex || areaIndex != AreaIntersect())
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{
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RegionSelection(InputManager.MousePosition);
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}
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}
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break;
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case Keys.ShiftKey:
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IsProportionalResizing = true;
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break;
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case Keys.Menu:
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IsSnapResizing = true;
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break;
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case Keys.NumPad1:
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ChangeCurrentShape(RegionShape.Rectangle);
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break;
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case Keys.NumPad2:
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ChangeCurrentShape(RegionShape.RoundedRectangle);
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break;
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case Keys.NumPad3:
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ChangeCurrentShape(RegionShape.Ellipse);
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break;
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case Keys.NumPad4:
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ChangeCurrentShape(RegionShape.Triangle);
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break;
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case Keys.NumPad5:
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ChangeCurrentShape(RegionShape.Diamond);
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break;
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case Keys.Add:
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switch (surface.Config.CurrentRegionShape)
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{
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case RegionShape.RoundedRectangle:
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RoundedRectangleRadius += RoundedRectangleRadiusIncrement;
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break;
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case RegionShape.Triangle:
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if (TriangleAngle == TriangleAngle.Left)
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{
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TriangleAngle = TriangleAngle.Top;
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}
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else
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{
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TriangleAngle++;
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}
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break;
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}
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UpdateCurrentRegionInfo();
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break;
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case Keys.Subtract:
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switch (surface.Config.CurrentRegionShape)
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{
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case RegionShape.RoundedRectangle:
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RoundedRectangleRadius = Math.Max(0, RoundedRectangleRadius - RoundedRectangleRadiusIncrement);
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break;
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case RegionShape.Triangle:
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if (TriangleAngle == TriangleAngle.Top)
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{
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TriangleAngle = TriangleAngle.Left;
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}
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else
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{
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TriangleAngle--;
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}
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break;
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}
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UpdateCurrentRegionInfo();
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break;
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}
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}
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private void surface_KeyUp(object sender, KeyEventArgs e)
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{
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switch (e.KeyCode)
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{
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case Keys.ShiftKey:
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IsProportionalResizing = false;
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break;
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case Keys.Menu:
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IsSnapResizing = false;
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break;
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case Keys.Delete:
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RemoveCurrentArea();
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if (IsCreating)
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{
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EndRegionSelection();
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}
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break;
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}
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}
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public void Update()
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{
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if (IsMoving)
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{
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Rectangle rect = CurrentArea;
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rect.X += InputManager.MouseVelocity.X;
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rect.Y += InputManager.MouseVelocity.Y;
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CurrentArea = rect;
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}
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if (IsCreating && !CurrentArea.IsEmpty)
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{
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CurrentPosition = InputManager.MousePosition0Based;
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Point newPosition = CurrentPosition;
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if (IsProportionalResizing)
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{
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newPosition = CaptureHelpers.ProportionalPosition(PositionOnClick, CurrentPosition);
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}
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if (IsSnapResizing)
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{
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newPosition = SnapPosition(PositionOnClick, newPosition);
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}
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CurrentArea = CaptureHelpers.CreateRectangle(PositionOnClick, newPosition);
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}
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CheckHover();
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ResizeManager.Update();
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}
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private Point SnapPosition(Point posOnClick, Point posCurrent)
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{
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Rectangle currentRect = CaptureHelpers.CreateRectangle(posOnClick, posCurrent);
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Point newPosition = posCurrent;
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foreach (SnapSize size in surface.Config.SnapSizes)
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{
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if (currentRect.Width.IsBetween(size.Width - surface.Config.SnapDistance, size.Width + surface.Config.SnapDistance) ||
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currentRect.Height.IsBetween(size.Height - surface.Config.SnapDistance, size.Height + surface.Config.SnapDistance))
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{
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newPosition = CaptureHelpers.CalculateNewPosition(posOnClick, posCurrent, size);
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break;
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}
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}
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Rectangle newRect = CaptureHelpers.CreateRectangle(posOnClick, newPosition);
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if (surface.ScreenRectangle0Based.Contains(newRect))
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{
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return newPosition;
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}
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return posCurrent;
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}
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private void CheckHover()
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{
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CurrentHoverArea = Rectangle.Empty;
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if (!ResizeManager.IsCursorOnNode() && !IsCreating && !IsMoving && !IsResizing)
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{
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Rectangle hoverArea = GetAreaIntersectWithMouse();
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if (!hoverArea.IsEmpty)
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{
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CurrentHoverArea = hoverArea;
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}
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else if (WindowCaptureMode && Windows != null)
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{
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hoverArea = Windows.FirstOrDefault(x => x.Contains(InputManager.MousePosition));
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if (!hoverArea.IsEmpty)
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{
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hoverArea = CaptureHelpers.ScreenToClient(hoverArea);
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CurrentHoverArea = Rectangle.Intersect(surface.ScreenRectangle0Based, hoverArea);
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}
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}
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}
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}
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private void surface_MouseDown(object sender, MouseEventArgs e)
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{
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if (e.Button == MouseButtons.Left)
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{
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if (!IsCreating)
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{
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RegionSelection(e.Location);
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}
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}
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}
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private void surface_MouseUp(object sender, MouseEventArgs e)
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{
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if (e.Button == MouseButtons.Left)
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{
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if (IsMoving || IsCreating)
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{
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EndRegionSelection();
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}
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}
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else if (e.Button == MouseButtons.Right)
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{
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CancelRegionSelection();
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if (IsCreating)
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{
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EndRegionSelection();
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}
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}
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}
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private void RegionSelection(Point location)
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{
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if (ResizeManager.IsCursorOnNode())
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{
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return;
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}
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int areaIndex = AreaIntersect(InputManager.MousePosition0Based);
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PositionOnClick = InputManager.MousePosition0Based;
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if (areaIndex > -1) // Select area
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{
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IsMoving = true;
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SelectedAreaIndex = areaIndex;
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SelectArea();
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}
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else if (!IsCreating) // Create new area
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{
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DeselectArea();
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Rectangle rect;
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if (surface.Config.IsFixedSize)
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{
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IsMoving = true;
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rect = new Rectangle(new Point(location.X - surface.Config.FixedSize.Width / 2, location.Y - surface.Config.FixedSize.Height / 2), surface.Config.FixedSize);
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}
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else
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{
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IsCreating = true;
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rect = new Rectangle(location, new Size(1, 1));
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}
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AddRegionInfo(rect);
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}
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}
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private void EndRegionSelection()
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{
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IsCreating = false;
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IsMoving = false;
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if (!CurrentArea.IsEmpty)
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{
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if (!IsCurrentAreaValid)
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{
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RemoveCurrentArea();
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CheckHover();
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}
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else if (surface.Config.QuickCrop)
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{
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surface.UpdateRegionPath();
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surface.Close(SurfaceResult.Region);
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}
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else
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{
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SelectArea();
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}
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}
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if (!CurrentHoverArea.IsEmpty)
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{
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AddRegionInfo(CurrentHoverArea);
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if (surface.Config.QuickCrop)
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{
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surface.UpdateRegionPath();
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surface.Close(SurfaceResult.Region);
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}
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else
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{
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SelectArea();
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}
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}
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}
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private void CancelRegionSelection()
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{
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int areaIndex = AreaIntersect();
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if (areaIndex > -1)
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{
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Areas.RemoveAt(areaIndex);
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DeselectArea();
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}
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else
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{
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surface.Close(SurfaceResult.Close);
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}
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}
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private void ChangeCurrentShape(RegionShape shape)
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{
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surface.Config.CurrentRegionShape = shape;
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UpdateCurrentRegionInfo();
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}
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private void AddRegionInfo(Rectangle rect)
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{
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Areas.Add(GetRegionInfo(rect));
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SelectedAreaIndex = Areas.Count - 1;
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}
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public RegionInfo GetRegionInfo(Rectangle rect)
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{
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RegionInfo regionInfo = new RegionInfo(rect, surface.Config.CurrentRegionShape);
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regionInfo.RoundedRectangleRadius = RoundedRectangleRadius;
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regionInfo.TriangleAngle = TriangleAngle;
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return regionInfo;
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}
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private void UpdateCurrentRegionInfo()
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{
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RegionInfo regionInfo = CurrentRegionInfo;
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if (regionInfo != null)
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{
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regionInfo.Shape = surface.Config.CurrentRegionShape;
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regionInfo.RoundedRectangleRadius = RoundedRectangleRadius;
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regionInfo.TriangleAngle = TriangleAngle;
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}
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}
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private void SelectArea()
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{
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if (!CurrentArea.IsEmpty && !surface.Config.IsFixedSize)
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{
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ResizeManager.Show();
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}
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}
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private void DeselectArea()
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{
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SelectedAreaIndex = -1;
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ResizeManager.Hide();
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}
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private void RemoveCurrentArea()
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{
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if (SelectedAreaIndex > -1)
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{
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Areas.RemoveAt(SelectedAreaIndex);
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DeselectArea();
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}
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}
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private bool IsAreaValid(Rectangle rect)
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{
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return !rect.IsEmpty && rect.Width >= MinimumSize && rect.Height >= MinimumSize;
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}
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public int AreaIntersect(Point mousePosition)
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{
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for (int i = Areas.Count - 1; i >= 0; i--)
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{
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if (Areas[i].Area.Contains(mousePosition))
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{
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return i;
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}
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}
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return -1;
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}
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public int AreaIntersect()
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{
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return AreaIntersect(InputManager.MousePosition0Based);
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}
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public Rectangle GetAreaIntersectWithMouse()
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{
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int areaIndex = AreaIntersect();
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if (areaIndex > -1)
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{
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return Areas[areaIndex].Area;
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}
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return Rectangle.Empty;
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}
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public bool IsAreaIntersect()
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{
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return AreaIntersect() > -1;
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}
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public Rectangle CombineAreas()
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{
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RegionInfo[] areas = ValidAreas;
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if (areas.Length > 0)
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{
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Rectangle rect = areas[0].Area;
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for (int i = 1; i < areas.Length; i++)
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{
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rect = Rectangle.Union(rect, areas[i].Area);
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}
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return rect;
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}
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return Rectangle.Empty;
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}
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}
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} |