121 lines
3.1 KiB
C#
121 lines
3.1 KiB
C#
using FileLiberator;
|
|
using LibationFileManager;
|
|
using System;
|
|
using System.Drawing;
|
|
using System.IO;
|
|
using System.Windows.Forms;
|
|
|
|
namespace LibationWinForms.GridView
|
|
{
|
|
public partial class ImageDisplay : Form
|
|
{
|
|
public string PictureFileName { get; set; }
|
|
public string BookSaveDirectory { get; set; }
|
|
public byte[] CoverPicture { get => _coverBytes; set => pictureBox1.Image = Dinah.Core.Drawing.ImageReader.ToImage(_coverBytes = value); }
|
|
|
|
private byte[] _coverBytes;
|
|
|
|
|
|
public ImageDisplay()
|
|
{
|
|
InitializeComponent();
|
|
lastWidth = Width;
|
|
lastHeight = Height;
|
|
}
|
|
|
|
#region Make the form's aspect ratio always match the picture's aspect ratio.
|
|
|
|
private bool detectedResizeDirection = false;
|
|
private bool resizingWidth = false;
|
|
private bool resizingHeight = false;
|
|
|
|
private int lastWidth;
|
|
private int lastHeight;
|
|
private int formExtraWidth;
|
|
private int formExtraHeight;
|
|
|
|
private double pictureAR = 1;
|
|
protected override void OnResizeBegin(EventArgs e)
|
|
{
|
|
detectedResizeDirection = false;
|
|
base.OnResizeBegin(e);
|
|
}
|
|
|
|
protected override void OnResizeEnd(EventArgs e)
|
|
{
|
|
base.OnResize(e);
|
|
base.OnResizeEnd(e);
|
|
}
|
|
|
|
protected override void OnResize(EventArgs e)
|
|
{
|
|
if (WindowState != FormWindowState.Normal)
|
|
{
|
|
base.OnResize(e);
|
|
return;
|
|
}
|
|
|
|
int width = this.Width, height = this.Height;
|
|
|
|
if (!detectedResizeDirection)
|
|
{
|
|
resizingWidth = lastWidth != width;
|
|
resizingHeight = lastHeight != height;
|
|
detectedResizeDirection = true;
|
|
}
|
|
|
|
if (resizingWidth && !resizingHeight)
|
|
height = CalculateARHeight(width);
|
|
else
|
|
width = CalculateARWidth(height);
|
|
|
|
pictureBox1.Size = new Size(width - formExtraWidth, height - formExtraHeight);
|
|
|
|
lastWidth = width;
|
|
lastHeight = height;
|
|
|
|
SetBoundsCore(Location.X, Location.Y, width, height, BoundsSpecified.Width | BoundsSpecified.Height);
|
|
}
|
|
|
|
private int CalculateARHeight(int width)
|
|
{
|
|
return (int)((width - formExtraWidth) * pictureAR) + formExtraHeight;
|
|
}
|
|
|
|
private int CalculateARWidth(int height)
|
|
{
|
|
return (int)((height - formExtraHeight) * pictureAR) + formExtraWidth;
|
|
}
|
|
|
|
#endregion
|
|
|
|
private void ImageDisplay_Shown(object sender, EventArgs e)
|
|
{
|
|
formExtraWidth = Width - pictureBox1.Width;
|
|
formExtraHeight = Height - pictureBox1.Height;
|
|
OnResize(e);
|
|
}
|
|
|
|
private void savePictureToolStripMenuItem_Click(object sender, EventArgs e)
|
|
{
|
|
SaveFileDialog saveFileDialog = new();
|
|
saveFileDialog.Filter = "jpeg|*.jpg";
|
|
saveFileDialog.InitialDirectory = Directory.Exists(BookSaveDirectory) ? BookSaveDirectory : Path.GetDirectoryName(BookSaveDirectory);
|
|
saveFileDialog.FileName = PictureFileName;
|
|
|
|
if (saveFileDialog.ShowDialog() != DialogResult.OK)
|
|
return;
|
|
|
|
try
|
|
{
|
|
File.WriteAllBytes(saveFileDialog.FileName, CoverPicture);
|
|
}
|
|
catch (Exception ex)
|
|
{
|
|
Serilog.Log.Logger.Error(ex, $"Failed to save picture to {saveFileDialog.FileName}");
|
|
MessageBox.Show(this, $"An error was encountered while trying to save the picture\r\n\r\n{ex.Message}", "Failed to save picture", MessageBoxButtons.OK, MessageBoxIcon.Error, MessageBoxDefaultButton.Button1);
|
|
}
|
|
}
|
|
}
|
|
}
|