/*
* Greenshot - a free and open source screenshot tool
* Copyright (C) 2007-2015 Thomas Braun, Jens Klingen, Robin Krom
*
* For more information see: http://getgreenshot.org/
* The Greenshot project is hosted on Sourceforge: http://sourceforge.net/projects/greenshot/
*
* 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 1 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, see .
*/
using Greenshot.Drawing.Fields;
using Greenshot.Helpers;
using Greenshot.Plugin.Drawing;
using System;
using System.Drawing;
using System.Drawing.Drawing2D;
namespace Greenshot.Drawing
{
///
/// Represents a rectangular shape on the Surface
///
[Serializable]
public class RectangleContainer : DrawableContainer
{
public RectangleContainer(Surface parent) : base(parent)
{
}
protected override void InitializeFields()
{
AddField(GetType(), FieldType.LINE_THICKNESS, 2);
AddField(GetType(), FieldType.LINE_COLOR, Color.Red);
AddField(GetType(), FieldType.FILL_COLOR, Color.Transparent);
AddField(GetType(), FieldType.SHADOW, true);
}
public override void Draw(Graphics graphics, RenderMode rm)
{
int lineThickness = GetFieldValueAsInt(FieldType.LINE_THICKNESS);
Color lineColor = GetFieldValueAsColor(FieldType.LINE_COLOR);
Color fillColor = GetFieldValueAsColor(FieldType.FILL_COLOR);
bool shadow = GetFieldValueAsBool(FieldType.SHADOW);
Rectangle rect = GuiRectangle.GetGuiRectangle(Left, Top, Width, Height);
DrawRectangle(rect, graphics, rm, lineThickness, lineColor, fillColor, shadow);
}
///
/// This method can also be used from other containers, if the right values are passed!
///
///
///
///
///
///
///
///
public static void DrawRectangle(Rectangle rect, Graphics graphics, RenderMode rm, int lineThickness, Color lineColor, Color fillColor, bool shadow)
{
graphics.SmoothingMode = SmoothingMode.HighQuality;
graphics.InterpolationMode = InterpolationMode.HighQualityBicubic;
graphics.CompositingQuality = CompositingQuality.HighQuality;
graphics.PixelOffsetMode = PixelOffsetMode.None;
bool lineVisible = (lineThickness > 0 && Colors.IsVisible(lineColor));
if (shadow && (lineVisible || Colors.IsVisible(fillColor)))
{
//draw shadow first
int basealpha = 100;
int alpha = basealpha;
int steps = 5;
int currentStep = lineVisible ? 1 : 0;
while (currentStep <= steps)
{
using (Pen shadowPen = new Pen(Color.FromArgb(alpha, 100, 100, 100)))
{
shadowPen.Width = lineVisible ? lineThickness : 1;
Rectangle shadowRect = GuiRectangle.GetGuiRectangle(
rect.Left + currentStep,
rect.Top + currentStep,
rect.Width,
rect.Height);
graphics.DrawRectangle(shadowPen, shadowRect);
currentStep++;
alpha = alpha - (basealpha / steps);
}
}
}
if (Colors.IsVisible(fillColor))
{
using (Brush brush = new SolidBrush(fillColor))
{
graphics.FillRectangle(brush, rect);
}
}
graphics.SmoothingMode = SmoothingMode.HighSpeed;
if (lineVisible)
{
using (Pen pen = new Pen(lineColor, lineThickness))
{
graphics.DrawRectangle(pen, rect);
}
}
}
public override bool ClickableAt(int x, int y)
{
Rectangle rect = GuiRectangle.GetGuiRectangle(Left, Top, Width, Height);
int lineThickness = GetFieldValueAsInt(FieldType.LINE_THICKNESS) + 10;
Color fillColor = GetFieldValueAsColor(FieldType.FILL_COLOR);
return RectangleClickableAt(rect, lineThickness, fillColor, x, y);
}
public static bool RectangleClickableAt(Rectangle rect, int lineThickness, Color fillColor, int x, int y)
{
// If we clicked inside the rectangle and it's visible we are clickable at.
if (!Color.Transparent.Equals(fillColor))
{
if (rect.Contains(x, y))
{
return true;
}
}
// check the rest of the lines
if (lineThickness > 0)
{
using (Pen pen = new Pen(Color.White, lineThickness))
{
using (GraphicsPath path = new GraphicsPath())
{
path.AddRectangle(rect);
return path.IsOutlineVisible(x, y, pen);
}
}
}
return false;
}
}
}