public MainWindow()
{
InitializeComponent();
this.Loaded += main_Loaded;
this.Drop += main_Drop;
this.SizeChanged += main_SizeChanged;
this.Closing += main_Unload;
this.sldOpacity.ValueChanged += sldOpacity_ValueChanged;
this.btnTitle.Click += lblTitle_DoubleClick;
this.sizeX.Visibility = System.Windows.Visibility.Collapsed;
this.sizeY.Visibility = System.Windows.Visibility.Collapsed;
var setting = new ImageViewer.Properties.Settings();
this.Left = setting.Left;
this.Top = setting.Top;
this.chkTopMost.IsChecked = setting.Topmost;
this.sldOpacity.Value = setting.Opacity;
}
/*
public static Bitmap ToBitmap(BitmapImage bitmapImage)
{
if (bitmapImage == null) return null;
using (MemoryStream outStream = new MemoryStream())
{
BitmapEncoder enc = new BmpBitmapEncoder();
enc.Frames.Add(BitmapFrame.Create(bitmapImage));
enc.Save(outStream);
Bitmap bitmap = new Bitmap(outStream);
return new Bitmap(bitmap);
}
}
public static BitmapImage ToBitmapImage(Bitmap bitmap)
{
if (bitmap == null) return null;
using (var memory = new MemoryStream())
{
bitmap.Save(memory, ImageFormat.Png);
memory.Position = 0;
var bitmapImage = new BitmapImage();
bitmapImage.BeginInit();
bitmapImage.StreamSource = memory;
bitmapImage.CacheOption = BitmapCacheOption.OnLoad;
bitmapImage.EndInit();
return bitmapImage;
}
}
public static void ChangeToNegativeImage(Bitmap img)
{
//1ピクセルあたりのバイト数を取得する
PixelFormat pixelFormat = img.PixelFormat;
int pixelSize = Image.GetPixelFormatSize(pixelFormat) / 8;
if (pixelSize < 3 || 4 < pixelSize)
{
throw new ArgumentException(
"1ピクセルあたり24または32ビットの形式のイメージのみ有効です。",
"img");
}
//Bitmapをロックする
BitmapData bmpDate = img.LockBits(
new Rectangle(0, 0, img.Width, img.Height),
ImageLockMode.ReadWrite,
pixelFormat);
if (bmpDate.Stride < 0)
{
img.UnlockBits(bmpDate);
throw new ArgumentException(
"ボトムアップ形式のイメージには対応していません。",
"img");
}
//ピクセルデータをバイト型配列で取得する
IntPtr ptr = bmpDate.Scan0;
byte[] pixels = new byte[bmpDate.Stride * img.Height];
System.Runtime.InteropServices.Marshal.Copy(ptr, pixels, 0, pixels.Length);
//すべてのピクセルの色を反転させる
for (int y = 0; y < bmpDate.Height; y++)
{
for (int x = 0; x < bmpDate.Width; x++)
{
//ピクセルデータでのピクセル(x,y)の開始位置を計算する
int pos = y * bmpDate.Stride + x * pixelSize;
//青、緑、赤の色を変更する
pixels[pos] = (byte)(255 - pixels[pos]);
pixels[pos + 1] = (byte)(255 - pixels[pos + 1]);
pixels[pos + 2] = (byte)(255 - pixels[pos + 2]);
}
}
//ピクセルデータを元に戻す
System.Runtime.InteropServices.Marshal.Copy(pixels, 0, ptr, pixels.Length);
//ロックを解除する
img.UnlockBits(bmpDate);
}*/
private void main_Unload(object sender, System.ComponentModel.CancelEventArgs e)
{
var setting = new ImageViewer.Properties.Settings();
setting.Left = (int)this.Left;
setting.Top = (int)this.Top;
setting.Topmost = this.chkTopMost.IsChecked.Value;
setting.Opacity = (ushort)this.sldOpacity.Value;
setting.Save();
}
