greenshot/Greenshot/Drawing/StepLabelContainer.cs

115 lines
4.1 KiB
C#

/*
* Greenshot - a free and open source screenshot tool
* Copyright (C) 2007-2012 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 <http://www.gnu.org/licenses/>.
*/
using Greenshot.Drawing.Fields;
using Greenshot.Helpers;
using Greenshot.Plugin;
using Greenshot.Plugin.Drawing;
using System;
using System.Collections.Generic;
using System.Drawing;
using System.Drawing.Drawing2D;
using System.Drawing.Text;
namespace Greenshot.Drawing {
/// <summary>
/// Description of StepLabelContainer.
/// This is an enumerated label, every single StepLabelContainer shows the number of the order it was created.
/// To make sure that deleting recalculates, we check the location before every draw.
/// </summary>
[Serializable]
public class StepLabelContainer : DrawableContainer {
[NonSerialized]
private StringFormat _stringFormat = new StringFormat();
[NonSerialized]
private Font _font;
private bool drawAsRectangle = false;
public StepLabelContainer(Surface parent) : base(parent) {
parent.AddStepLabel(this);
InitContent();
}
public override bool InitContent() {
_defaultEditMode = EditStatus.IDLE;
_stringFormat.Alignment = StringAlignment.Center;
_stringFormat.LineAlignment = StringAlignment.Center;
// Set defaults
Width = 40;
Height = 40;
using (FontFamily fam = new FontFamily(FontFamily.GenericSansSerif.Name)) {
_font = new Font(fam, 18, FontStyle.Regular, GraphicsUnit.Pixel);
}
return true;
}
/// <summary>
/// We set our own field values
/// </summary>
protected override void InitializeFields() {
AddField(GetType(), FieldType.FILL_COLOR, Color.DarkRed);
AddField(GetType(), FieldType.LINE_COLOR, Color.White);
}
/// <summary>
/// Make sure this element is no longer referenced from the surface
/// </summary>
public override void Dispose() {
Parent.RemoveStepLabel(this);
base.Dispose();
}
/// <summary>
/// Override the parent, calculate the label number, than draw
/// </summary>
/// <param name="graphics"></param>
/// <param name="rm"></param>
public override void Draw(Graphics graphics, RenderMode rm) {
graphics.SmoothingMode = SmoothingMode.HighQuality;
graphics.InterpolationMode = InterpolationMode.HighQualityBicubic;
graphics.CompositingQuality = CompositingQuality.HighQuality;
graphics.PixelOffsetMode = PixelOffsetMode.None;
graphics.TextRenderingHint = TextRenderingHint.AntiAliasGridFit;
string text = Parent.CountStepLabels(this).ToString();
Rectangle rect = GuiRectangle.GetGuiRectangle(Left, Top, Width, Height);
Color fillColor = GetFieldValueAsColor(FieldType.FILL_COLOR);
Color lineColor = GetFieldValueAsColor(FieldType.LINE_COLOR);
if (drawAsRectangle) {
RectangleContainer.DrawRectangle(rect, graphics, rm, 0, Color.Transparent, fillColor, false);
} else {
EllipseContainer.DrawEllipse(rect, graphics, rm, 0, Color.Transparent, fillColor, false);
}
TextContainer.DrawText(graphics, rect, 0, lineColor, false, _stringFormat, text, _font);
}
public override bool ClickableAt(int x, int y) {
Rectangle rect = GuiRectangle.GetGuiRectangle(Left, Top, Width, Height);
Color fillColor = GetFieldValueAsColor(FieldType.FILL_COLOR);
if (drawAsRectangle) {
return RectangleContainer.RectangleClickableAt(rect, 0, fillColor, x, y);
} else {
return EllipseContainer.EllipseClickableAt(rect, 0, fillColor, x, y);
}
}
}
}