#region License Information (GPL v3)
/*
ShareX - A program that allows you to take screenshots and share any file type
Copyright (C) 2007-2014 ShareX Developers
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
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, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
Optionally you can also view the license at .
*/
#endregion License Information (GPL v3)
using HelpersLib;
using ScreenCaptureLib.Properties;
using System;
using System.Collections.Generic;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Windows.Forms;
namespace ScreenCaptureLib
{
public class RectangleRegion : Surface
{
public AreaManager AreaManager { get; private set; }
// For screen color picker
public bool OneClickMode { get; set; }
public Point OneClickPosition { get; set; }
// For screen ruler
public bool RulerMode { get; set; }
public RectangleRegion(Image backgroundImage = null)
: base(backgroundImage)
{
AreaManager = new AreaManager(this);
KeyDown += RectangleRegion_KeyDown;
MouseDown += RectangleRegion_MouseDown;
MouseWheel += RectangleRegion_MouseWheel;
}
private void RectangleRegion_MouseDown(object sender, MouseEventArgs e)
{
if (OneClickMode && e.Button == MouseButtons.Left)
{
OneClickPosition = e.Location;
Close(SurfaceResult.Region);
}
}
private void RectangleRegion_KeyDown(object sender, KeyEventArgs e)
{
switch (e.KeyData)
{
case Keys.I:
Config.ShowInfo = !Config.ShowInfo;
break;
case Keys.C:
Config.ShowCrosshair = !Config.ShowCrosshair;
break;
case Keys.M:
Config.ShowMagnifier = !Config.ShowMagnifier;
break;
case Keys.Control | Keys.C:
CopyAreaInfo();
break;
}
}
private void CopyAreaInfo()
{
if (AreaManager.IsCurrentAreaValid)
{
string clipboardText;
if (RulerMode)
{
clipboardText = GetRulerText(AreaManager.CurrentArea);
}
else
{
clipboardText = GetAreaText(AreaManager.CurrentArea);
}
ClipboardHelpers.CopyText(clipboardText);
}
}
private void RectangleRegion_MouseWheel(object sender, MouseEventArgs e)
{
if (e.Delta > 0)
{
if (ModifierKeys.HasFlag(Keys.Control))
{
if (Config.MagnifierPixelSize < 30) Config.MagnifierPixelSize++;
}
else
{
if (Config.MagnifierPixelCount < 41) Config.MagnifierPixelCount += 2;
}
}
else if (e.Delta < 0)
{
if (ModifierKeys.HasFlag(Keys.Control))
{
if (Config.MagnifierPixelSize > 2) Config.MagnifierPixelSize--;
}
else
{
if (Config.MagnifierPixelCount > 2) Config.MagnifierPixelCount -= 2;
}
}
}
public override void Prepare()
{
base.Prepare();
if (Config != null)
{
AreaManager.WindowCaptureMode |= Config.ForceWindowCapture;
AreaManager.IncludeControls |= Config.IncludeControls;
if (AreaManager.WindowCaptureMode)
{
IntPtr handle = Handle;
TaskEx.Run(() =>
{
WindowsRectangleList wla = new WindowsRectangleList();
wla.IgnoreHandle = handle;
wla.IncludeChildWindows = AreaManager.IncludeControls;
AreaManager.Windows = wla.GetWindowsRectangleList();
});
}
}
}
protected override void Update()
{
base.Update();
AreaManager.Update();
}
protected override void Draw(Graphics g)
{
List areas = AreaManager.GetValidAreas;
if (areas.Count > 0 || !AreaManager.CurrentHoverArea.IsEmpty)
{
UpdateRegionPath();
if (areas.Count > 0)
{
using (Region region = new Region(regionDrawPath))
{
g.Clip = region;
g.FillRectangle(lightBackgroundBrush, ScreenRectangle0Based);
g.ResetClip();
}
g.DrawPath(borderPen, regionDrawPath);
if (areas.Count > 1)
{
Rectangle totalArea = AreaManager.CombineAreas();
g.DrawCrossRectangle(borderPen, totalArea, 15);
if (Config.ShowInfo)
{
ImageHelpers.DrawTextWithOutline(g, string.Format("X: {0} / Y: {1} / W: {2} / H: {3}", totalArea.X, totalArea.Y,
totalArea.Width, totalArea.Height), new PointF(totalArea.X + 5, totalArea.Y - 25), textFont, Color.White, Color.Black);
}
}
}
if (AreaManager.IsCurrentHoverAreaValid)
{
using (GraphicsPath hoverDrawPath = new GraphicsPath { FillMode = FillMode.Winding })
{
AddShapePath(hoverDrawPath, AreaManager.CurrentHoverArea.SizeOffset(-1));
g.DrawPath(borderPen, hoverDrawPath);
g.DrawPath(borderDotPen, hoverDrawPath);
}
}
if (AreaManager.IsCurrentAreaValid)
{
g.DrawRectangleProper(borderPen, AreaManager.CurrentArea);
g.DrawRectangleProper(borderDotPen, AreaManager.CurrentArea);
DrawObjects(g);
if (RulerMode)
{
DrawRuler(g, AreaManager.CurrentArea, borderPen, 5, 10);
DrawRuler(g, AreaManager.CurrentArea, borderPen, 15, 100);
Point centerPos = new Point(AreaManager.CurrentArea.X + AreaManager.CurrentArea.Width / 2, AreaManager.CurrentArea.Y + AreaManager.CurrentArea.Height / 2);
int markSize = 10;
g.DrawLine(borderPen, centerPos.X, centerPos.Y - markSize, centerPos.X, centerPos.Y + markSize);
g.DrawLine(borderPen, centerPos.X - markSize, centerPos.Y, centerPos.X + markSize, centerPos.Y);
}
}
if (Config.ShowInfo)
{
foreach (Rectangle area in areas)
{
if (area.IsValid())
{
if (RulerMode)
{
ImageHelpers.DrawTextWithOutline(g, GetRulerText(area), new PointF(area.X + 15, area.Y + 15), textFont, Color.White, Color.Black);
}
else
{
ImageHelpers.DrawTextWithOutline(g, GetAreaText(area), new PointF(area.X + 5, area.Y + 5), textFont, Color.White, Color.Black);
}
}
}
}
}
if (Config.ShowMagnifier)
{
DrawMagnifier(g);
}
if (Config.ShowCrosshair)
{
DrawCrosshair(g);
}
}
private string GetRulerText(Rectangle area)
{
Point endPos = new Point(area.X + area.Width - 1, area.Y + area.Height - 1);
return string.Format(Resources.RectangleRegion_GetRulerText_Ruler_info, area.X, area.Y, endPos.X, endPos.Y,
area.Width, area.Height, MathHelpers.Distance(area.Location, endPos), MathHelpers.LookAtDegree(area.Location, endPos));
}
private string GetAreaText(Rectangle area)
{
return string.Format(Resources.RectangleRegion_GetAreaText_Area, area.X, area.Y, area.Width, area.Height);
}
private void DrawCrosshair(Graphics g)
{
int offset = 5;
Point mousePos = InputManager.MousePosition0Based;
Point left = new Point(mousePos.X - offset, mousePos.Y), left2 = new Point(0, mousePos.Y);
Point right = new Point(mousePos.X + offset, mousePos.Y), right2 = new Point(ScreenRectangle0Based.Width - 1, mousePos.Y);
Point top = new Point(mousePos.X, mousePos.Y - offset), top2 = new Point(mousePos.X, 0);
Point bottom = new Point(mousePos.X, mousePos.Y + offset), bottom2 = new Point(mousePos.X, ScreenRectangle0Based.Height - 1);
if (left.X - left2.X > 10)
{
g.DrawLine(borderPen, left, left2);
g.DrawLine(borderDotPen, left, left2);
}
if (right2.X - right.X > 10)
{
g.DrawLine(borderPen, right, right2);
g.DrawLine(borderDotPen, right, right2);
}
if (top.Y - top2.Y > 10)
{
g.DrawLine(borderPen, top, top2);
g.DrawLine(borderDotPen, top, top2);
}
if (bottom2.Y - bottom.Y > 10)
{
g.DrawLine(borderPen, bottom, bottom2);
g.DrawLine(borderDotPen, bottom, bottom2);
}
}
private void DrawMagnifier(Graphics g)
{
Point mousePos = InputManager.MousePosition0Based;
int offsetX = RulerMode ? 20 : 10, offsetY = RulerMode ? 20 : 10;
if (Config.ShowInfo && AreaManager.IsCurrentAreaValid && AreaManager.CurrentArea.Location == mousePos)
{
offsetY = RulerMode ? 85 : 50;
}
using (Bitmap magnifier = Magnifier(SurfaceImage, mousePos, Config.MagnifierPixelCount, Config.MagnifierPixelCount, Config.MagnifierPixelSize))
{
int x = mousePos.X + offsetX;
if (x + magnifier.Width > ScreenRectangle0Based.Width)
{
x = mousePos.X - offsetX - magnifier.Width;
}
int y = mousePos.Y + offsetY;
if (y + magnifier.Height > ScreenRectangle0Based.Height)
{
y = mousePos.Y - offsetY - magnifier.Height;
}
g.SetHighQuality();
using (TextureBrush brush = new TextureBrush(magnifier))
{
brush.TranslateTransform(x, y);
g.FillEllipse(brush, x, y, magnifier.Width, magnifier.Height);
g.DrawEllipse(Pens.Black, x, y, magnifier.Width, magnifier.Height);
}
}
}
private Bitmap Magnifier(Image img, Point position, int horizontalPixelCount, int verticalPixelCount, int pixelSize)
{
horizontalPixelCount = (horizontalPixelCount | 1).Between(1, 101);
verticalPixelCount = (verticalPixelCount | 1).Between(1, 101);
pixelSize = pixelSize.Between(1, 1000);
if (horizontalPixelCount * pixelSize > ScreenRectangle0Based.Width || verticalPixelCount * pixelSize > ScreenRectangle0Based.Height)
{
horizontalPixelCount = verticalPixelCount = 15;
pixelSize = 10;
}
int width = horizontalPixelCount * pixelSize;
int height = verticalPixelCount * pixelSize;
Bitmap bmp = new Bitmap(width - 1, height - 1);
using (Graphics g = Graphics.FromImage(bmp))
{
g.InterpolationMode = InterpolationMode.NearestNeighbor;
g.PixelOffsetMode = PixelOffsetMode.Half;
g.DrawImage(img, new Rectangle(0, 0, width, height), new Rectangle(position.X - horizontalPixelCount / 2, position.Y - verticalPixelCount / 2,
horizontalPixelCount, verticalPixelCount), GraphicsUnit.Pixel);
g.PixelOffsetMode = PixelOffsetMode.None;
using (SolidBrush crosshairBrush = new SolidBrush(Color.FromArgb(125, Color.LightBlue)))
{
g.FillRectangle(crosshairBrush, new Rectangle(0, (height - pixelSize) / 2, (width - pixelSize) / 2, pixelSize)); // Left
g.FillRectangle(crosshairBrush, new Rectangle((width + pixelSize) / 2, (height - pixelSize) / 2, (width - pixelSize) / 2, pixelSize)); // Right
g.FillRectangle(crosshairBrush, new Rectangle((width - pixelSize) / 2, 0, pixelSize, (height - pixelSize) / 2)); // Top
g.FillRectangle(crosshairBrush, new Rectangle((width - pixelSize) / 2, (height + pixelSize) / 2, pixelSize, (height - pixelSize) / 2)); // Bottom
}
using (Pen pen = new Pen(Color.FromArgb(75, Color.Black)))
{
for (int x = 1; x < horizontalPixelCount; x++)
{
g.DrawLine(pen, new Point(x * pixelSize - 1, 0), new Point(x * pixelSize - 1, height - 1));
}
for (int y = 1; y < verticalPixelCount; y++)
{
g.DrawLine(pen, new Point(0, y * pixelSize - 1), new Point(width - 1, y * pixelSize - 1));
}
}
g.DrawRectangle(Pens.Black, (width - pixelSize) / 2 - 1, (height - pixelSize) / 2 - 1, pixelSize, pixelSize);
g.DrawRectangle(Pens.White, (width - pixelSize) / 2, (height - pixelSize) / 2, pixelSize - 2, pixelSize - 2);
}
return bmp;
}
private void DrawRuler(Graphics g, Rectangle rect, Pen pen, int rulerSize, int rulerWidth)
{
if (rect.Width >= rulerSize && rect.Height >= rulerSize)
{
for (int x = 1; x <= rect.Width / rulerWidth; x++)
{
g.DrawLine(pen, new Point(rect.X + x * rulerWidth, rect.Y), new Point(rect.X + x * rulerWidth, rect.Y + rulerSize));
g.DrawLine(pen, new Point(rect.X + x * rulerWidth, rect.Bottom), new Point(rect.X + x * rulerWidth, rect.Bottom - rulerSize));
}
for (int y = 1; y <= rect.Height / rulerWidth; y++)
{
g.DrawLine(pen, new Point(rect.X, rect.Y + y * rulerWidth), new Point(rect.X + rulerSize, rect.Y + y * rulerWidth));
g.DrawLine(pen, new Point(rect.Right, rect.Y + y * rulerWidth), new Point(rect.Right - rulerSize, rect.Y + y * rulerWidth));
}
}
}
public void UpdateRegionPath()
{
regionFillPath = new GraphicsPath { FillMode = FillMode.Winding };
regionDrawPath = new GraphicsPath { FillMode = FillMode.Winding };
foreach (Rectangle area in AreaManager.GetValidAreas)
{
AddShapePath(regionFillPath, area);
AddShapePath(regionDrawPath, area.SizeOffset(-1));
}
}
protected virtual void AddShapePath(GraphicsPath graphicsPath, Rectangle rect)
{
graphicsPath.AddRectangle(rect);
}
}
}