CnC_Remastered_Collection/CnCTDRAMapEditor/Controls/ImageTooltip.cs

65 lines
2.1 KiB
C#

//
// Copyright 2020 Electronic Arts Inc.
//
// The Command & Conquer Map Editor and corresponding source code 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 3 of the License, or (at your option) any later version.
// The Command & Conquer Map Editor and corresponding source code is distributed
// in the hope that it will be useful, but with permitted additional restrictions
// under Section 7 of the GPL. See the GNU General Public License in LICENSE.TXT
// distributed with this program. You should have received a copy of the
// GNU General Public License along with permitted additional restrictions
// with this program. If not, see https://github.com/electronicarts/CnC_Remastered_Collection
using System;
using System.Drawing;
using System.Windows.Forms;
namespace MobiusEditor.Controls
{
public partial class ImageTooltip : ToolTip
{
public Size MaxSize { get; set; } = Size.Empty;
public ImageTooltip()
{
InitializeComponent();
OwnerDraw = true;
Popup += ImageTooltip_Popup;
Draw += ImageTooltip_Draw;
}
private void ImageTooltip_Popup(object sender, PopupEventArgs e)
{
if (e.AssociatedControl.Tag is Image image)
{
var size = image.Size;
if (MaxSize.Width > 0)
{
size.Width = Math.Min(MaxSize.Width, size.Width);
}
if (MaxSize.Height > 0)
{
size.Height = Math.Min(MaxSize.Height, size.Height);
}
e.ToolTipSize = size;
}
else
{
e.Cancel = true;
}
}
private void ImageTooltip_Draw(object sender, DrawToolTipEventArgs e)
{
if (e.AssociatedControl.Tag is Image image)
{
e.Graphics.DrawImage(image, e.Bounds);
}
}
}
}