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425 lines
16 KiB
C#
425 lines
16 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) 2007-2014 ShareX Developers
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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 ShareX.ScreenCaptureLib.Properties;
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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.Drawing.Drawing2D;
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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 RectangleRegion : Surface
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{
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public AreaManager AreaManager { get; private set; }
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// For screen color picker
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public bool OneClickMode { get; set; }
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public Point OneClickPosition { get; set; }
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// For screen ruler
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public bool RulerMode { get; set; }
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public RectangleRegion()
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{
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AreaManager = new AreaManager(this);
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KeyDown += RectangleRegion_KeyDown;
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MouseDown += RectangleRegion_MouseDown;
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MouseWheel += RectangleRegion_MouseWheel;
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}
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private void RectangleRegion_MouseDown(object sender, MouseEventArgs e)
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{
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if (OneClickMode && e.Button == MouseButtons.Left)
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{
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OneClickPosition = e.Location;
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Close(SurfaceResult.Region);
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}
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}
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private void RectangleRegion_KeyDown(object sender, KeyEventArgs e)
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{
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switch (e.KeyData)
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{
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case Keys.I:
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Config.ShowInfo = !Config.ShowInfo;
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break;
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case Keys.C:
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Config.ShowCrosshair = !Config.ShowCrosshair;
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break;
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case Keys.M:
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Config.ShowMagnifier = !Config.ShowMagnifier;
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break;
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case Keys.Control | Keys.C:
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CopyAreaInfo();
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break;
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}
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}
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private void CopyAreaInfo()
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{
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if (AreaManager.IsCurrentAreaValid)
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{
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string clipboardText;
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if (RulerMode)
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{
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clipboardText = GetRulerText(AreaManager.CurrentArea);
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}
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else
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{
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clipboardText = GetAreaText(AreaManager.CurrentArea);
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}
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ClipboardHelpers.CopyText(clipboardText);
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}
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}
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private void RectangleRegion_MouseWheel(object sender, MouseEventArgs e)
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{
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if (e.Delta > 0)
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{
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if (ModifierKeys.HasFlag(Keys.Control))
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{
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if (Config.MagnifierPixelSize < 30) Config.MagnifierPixelSize++;
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}
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else
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{
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if (Config.MagnifierPixelCount < 41) Config.MagnifierPixelCount += 2;
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}
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}
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else if (e.Delta < 0)
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{
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if (ModifierKeys.HasFlag(Keys.Control))
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{
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if (Config.MagnifierPixelSize > 2) Config.MagnifierPixelSize--;
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}
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else
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{
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if (Config.MagnifierPixelCount > 2) Config.MagnifierPixelCount -= 2;
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}
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}
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}
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public override void Prepare()
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{
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base.Prepare();
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if (Config != null)
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{
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AreaManager.WindowCaptureMode |= Config.ForceWindowCapture;
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AreaManager.IncludeControls |= Config.IncludeControls;
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if (AreaManager.WindowCaptureMode)
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{
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IntPtr handle = Handle;
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TaskEx.Run(() =>
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{
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WindowsRectangleList wla = new WindowsRectangleList();
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wla.IgnoreHandle = handle;
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wla.IncludeChildWindows = AreaManager.IncludeControls;
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AreaManager.Windows = wla.GetWindowsRectangleList();
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});
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}
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}
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}
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protected override void Update()
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{
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base.Update();
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AreaManager.Update();
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}
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protected override void Draw(Graphics g)
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{
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List<Rectangle> areas = AreaManager.GetValidAreas;
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if (areas.Count > 0 || !AreaManager.CurrentHoverArea.IsEmpty)
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{
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UpdateRegionPath();
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if (areas.Count > 0)
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{
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if (Config.UseDimming)
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{
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using (Region region = new Region(regionDrawPath))
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{
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g.Clip = region;
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g.FillRectangle(lightBackgroundBrush, ScreenRectangle0Based);
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g.ResetClip();
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}
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}
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g.DrawPath(borderPen, regionDrawPath);
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if (areas.Count > 1)
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{
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Rectangle totalArea = AreaManager.CombineAreas();
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g.DrawCrossRectangle(borderPen, totalArea, 15);
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if (Config.ShowInfo)
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{
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ImageHelpers.DrawTextWithOutline(g, string.Format("X: {0} / Y: {1} / W: {2} / H: {3}", totalArea.X, totalArea.Y,
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totalArea.Width, totalArea.Height), new PointF(totalArea.X + 5, totalArea.Y - 25), textFont, Color.White, Color.Black);
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}
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}
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}
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if (AreaManager.IsCurrentHoverAreaValid)
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{
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using (GraphicsPath hoverDrawPath = new GraphicsPath { FillMode = FillMode.Winding })
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{
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AddShapePath(hoverDrawPath, AreaManager.CurrentHoverArea.SizeOffset(-1));
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g.DrawPath(borderPen, hoverDrawPath);
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g.DrawPath(borderDotPen, hoverDrawPath);
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}
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}
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if (AreaManager.IsCurrentAreaValid)
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{
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g.DrawRectangleProper(borderPen, AreaManager.CurrentArea);
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g.DrawRectangleProper(borderDotPen, AreaManager.CurrentArea);
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DrawObjects(g);
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if (RulerMode)
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{
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DrawRuler(g, AreaManager.CurrentArea, borderPen, 5, 10);
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DrawRuler(g, AreaManager.CurrentArea, borderPen, 15, 100);
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Point centerPos = new Point(AreaManager.CurrentArea.X + AreaManager.CurrentArea.Width / 2, AreaManager.CurrentArea.Y + AreaManager.CurrentArea.Height / 2);
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int markSize = 10;
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g.DrawLine(borderPen, centerPos.X, centerPos.Y - markSize, centerPos.X, centerPos.Y + markSize);
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g.DrawLine(borderPen, centerPos.X - markSize, centerPos.Y, centerPos.X + markSize, centerPos.Y);
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}
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}
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if (Config.ShowInfo)
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{
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foreach (Rectangle area in areas)
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{
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if (area.IsValid())
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{
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if (RulerMode)
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{
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ImageHelpers.DrawTextWithOutline(g, GetRulerText(area), new PointF(area.X + 15, area.Y + 15), textFont, Color.White, Color.Black);
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}
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else
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{
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ImageHelpers.DrawTextWithOutline(g, GetAreaText(area), new PointF(area.X + 5, area.Y + 5), textFont, Color.White, Color.Black);
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}
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}
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}
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}
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}
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if (Config.ShowMagnifier)
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{
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DrawMagnifier(g);
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}
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if (Config.ShowCrosshair)
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{
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DrawCrosshair(g);
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}
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}
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private string GetRulerText(Rectangle area)
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{
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Point endPos = new Point(area.X + area.Width - 1, area.Y + area.Height - 1);
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return string.Format(Resources.RectangleRegion_GetRulerText_Ruler_info, area.X, area.Y, endPos.X, endPos.Y,
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area.Width, area.Height, MathHelpers.Distance(area.Location, endPos), MathHelpers.LookAtDegree(area.Location, endPos));
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}
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private string GetAreaText(Rectangle area)
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{
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return string.Format(Resources.RectangleRegion_GetAreaText_Area, area.X, area.Y, area.Width, area.Height);
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}
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private void DrawCrosshair(Graphics g)
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{
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int offset = 5;
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Point mousePos = InputManager.MousePosition0Based;
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Point left = new Point(mousePos.X - offset, mousePos.Y), left2 = new Point(0, mousePos.Y);
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Point right = new Point(mousePos.X + offset, mousePos.Y), right2 = new Point(ScreenRectangle0Based.Width - 1, mousePos.Y);
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Point top = new Point(mousePos.X, mousePos.Y - offset), top2 = new Point(mousePos.X, 0);
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Point bottom = new Point(mousePos.X, mousePos.Y + offset), bottom2 = new Point(mousePos.X, ScreenRectangle0Based.Height - 1);
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if (left.X - left2.X > 10)
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{
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g.DrawLine(borderPen, left, left2);
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g.DrawLine(borderDotPen, left, left2);
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}
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if (right2.X - right.X > 10)
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{
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g.DrawLine(borderPen, right, right2);
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g.DrawLine(borderDotPen, right, right2);
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}
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if (top.Y - top2.Y > 10)
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{
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g.DrawLine(borderPen, top, top2);
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g.DrawLine(borderDotPen, top, top2);
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}
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if (bottom2.Y - bottom.Y > 10)
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{
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g.DrawLine(borderPen, bottom, bottom2);
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g.DrawLine(borderDotPen, bottom, bottom2);
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}
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}
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private void DrawMagnifier(Graphics g)
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{
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Point mousePos = InputManager.MousePosition0Based;
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Rectangle currentScreenRect0Based = CaptureHelpers.ScreenToClient(Screen.FromPoint(InputManager.MousePosition).Bounds);
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int offsetX = RulerMode ? 20 : 10, offsetY = RulerMode ? 20 : 10;
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if (Config.ShowInfo && AreaManager.IsCurrentAreaValid && AreaManager.CurrentArea.Location == mousePos)
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{
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offsetY = RulerMode ? 85 : 50;
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}
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using (Bitmap magnifier = Magnifier(SurfaceImage, mousePos, Config.MagnifierPixelCount, Config.MagnifierPixelCount, Config.MagnifierPixelSize))
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{
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int x = mousePos.X + offsetX;
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if (x + magnifier.Width > currentScreenRect0Based.Right)
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{
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x = mousePos.X - offsetX - magnifier.Width;
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}
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int y = mousePos.Y + offsetY;
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if (y + magnifier.Height > currentScreenRect0Based.Bottom)
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{
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y = mousePos.Y - offsetY - magnifier.Height;
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}
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g.SetHighQuality();
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using (TextureBrush brush = new TextureBrush(magnifier))
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{
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brush.TranslateTransform(x, y);
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g.FillEllipse(brush, x, y, magnifier.Width, magnifier.Height);
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g.DrawEllipse(Pens.Black, x, y, magnifier.Width, magnifier.Height);
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}
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}
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}
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private Bitmap Magnifier(Image img, Point position, int horizontalPixelCount, int verticalPixelCount, int pixelSize)
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{
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horizontalPixelCount = (horizontalPixelCount | 1).Between(1, 101);
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verticalPixelCount = (verticalPixelCount | 1).Between(1, 101);
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pixelSize = pixelSize.Between(1, 1000);
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if (horizontalPixelCount * pixelSize > ScreenRectangle0Based.Width || verticalPixelCount * pixelSize > ScreenRectangle0Based.Height)
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{
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horizontalPixelCount = verticalPixelCount = 15;
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pixelSize = 10;
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}
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int width = horizontalPixelCount * pixelSize;
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int height = verticalPixelCount * pixelSize;
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Bitmap bmp = new Bitmap(width - 1, height - 1);
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using (Graphics g = Graphics.FromImage(bmp))
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{
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g.InterpolationMode = InterpolationMode.NearestNeighbor;
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g.PixelOffsetMode = PixelOffsetMode.Half;
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g.DrawImage(img, new Rectangle(0, 0, width, height), new Rectangle(position.X - horizontalPixelCount / 2, position.Y - verticalPixelCount / 2,
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horizontalPixelCount, verticalPixelCount), GraphicsUnit.Pixel);
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g.PixelOffsetMode = PixelOffsetMode.None;
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using (SolidBrush crosshairBrush = new SolidBrush(Color.FromArgb(125, Color.LightBlue)))
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{
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g.FillRectangle(crosshairBrush, new Rectangle(0, (height - pixelSize) / 2, (width - pixelSize) / 2, pixelSize)); // Left
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g.FillRectangle(crosshairBrush, new Rectangle((width + pixelSize) / 2, (height - pixelSize) / 2, (width - pixelSize) / 2, pixelSize)); // Right
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g.FillRectangle(crosshairBrush, new Rectangle((width - pixelSize) / 2, 0, pixelSize, (height - pixelSize) / 2)); // Top
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g.FillRectangle(crosshairBrush, new Rectangle((width - pixelSize) / 2, (height + pixelSize) / 2, pixelSize, (height - pixelSize) / 2)); // Bottom
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}
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using (Pen pen = new Pen(Color.FromArgb(75, Color.Black)))
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{
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for (int x = 1; x < horizontalPixelCount; x++)
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{
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g.DrawLine(pen, new Point(x * pixelSize - 1, 0), new Point(x * pixelSize - 1, height - 1));
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}
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for (int y = 1; y < verticalPixelCount; y++)
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{
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g.DrawLine(pen, new Point(0, y * pixelSize - 1), new Point(width - 1, y * pixelSize - 1));
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}
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}
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g.DrawRectangle(Pens.Black, (width - pixelSize) / 2 - 1, (height - pixelSize) / 2 - 1, pixelSize, pixelSize);
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g.DrawRectangle(Pens.White, (width - pixelSize) / 2, (height - pixelSize) / 2, pixelSize - 2, pixelSize - 2);
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}
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return bmp;
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}
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private void DrawRuler(Graphics g, Rectangle rect, Pen pen, int rulerSize, int rulerWidth)
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{
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if (rect.Width >= rulerSize && rect.Height >= rulerSize)
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{
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for (int x = 1; x <= rect.Width / rulerWidth; x++)
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{
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g.DrawLine(pen, new Point(rect.X + x * rulerWidth, rect.Y), new Point(rect.X + x * rulerWidth, rect.Y + rulerSize));
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g.DrawLine(pen, new Point(rect.X + x * rulerWidth, rect.Bottom), new Point(rect.X + x * rulerWidth, rect.Bottom - rulerSize));
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}
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for (int y = 1; y <= rect.Height / rulerWidth; y++)
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{
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g.DrawLine(pen, new Point(rect.X, rect.Y + y * rulerWidth), new Point(rect.X + rulerSize, rect.Y + y * rulerWidth));
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g.DrawLine(pen, new Point(rect.Right, rect.Y + y * rulerWidth), new Point(rect.Right - rulerSize, rect.Y + y * rulerWidth));
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}
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}
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}
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public void UpdateRegionPath()
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{
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regionFillPath = new GraphicsPath { FillMode = FillMode.Winding };
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regionDrawPath = new GraphicsPath { FillMode = FillMode.Winding };
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foreach (Rectangle area in AreaManager.GetValidAreas)
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{
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AddShapePath(regionFillPath, area);
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AddShapePath(regionDrawPath, area.SizeOffset(-1));
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}
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}
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protected virtual void AddShapePath(GraphicsPath graphicsPath, Rectangle rect)
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{
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graphicsPath.AddRectangle(rect);
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}
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}
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} |