private void lstPhotos_MeasureItem(object sender, System.Windows.Forms.MeasureItemEventArgs e)
{
Photograph p = _album[e.Index];
Rectangle scaledRect = p.ScaleToFit(_drawRect);
e.ItemHeight = Math.Max(scaledRect.Height, lstPhotos.Font.Height) + 2;
e.ItemWidth = scaledRect.Width + 2 + (int)e.Graphics.MeasureString(p.Caption, lstPhotos.Font).Width;
}
private void lstPhotos_DrawItem(object sender, System.Windows.Forms.DrawItemEventArgs e)
{
Graphics g = e.Graphics;
Photograph p = _album[e.Index];
Rectangle scaledRect = p.ScaleToFit(_drawRect);
Rectangle imageRect = e.Bounds;
imageRect.Y += 1;
imageRect.Height = scaledRect.Height;
imageRect.X += 2;
imageRect.Width = scaledRect.Width;
g.DrawImage(p.Thumbnail, imageRect);
g.DrawRectangle(Pens.Black, imageRect);
Rectangle textRect = new Rectangle(
imageRect.Right + 2,
imageRect.Y + ((imageRect.Height - e.Font.Height) / 2),
e.Bounds.Width - imageRect.Width - 4,
e.Font.Height);
if ((e.State & DrawItemState.Selected) == DrawItemState.Selected)
{
_textBrush.Color = SystemColors.Highlight;
g.FillRectangle(_textBrush, textRect);
_textBrush.Color = SystemColors.HighlightText;
}
else
{
_textBrush.Color = SystemColors.Window;
g.FillRectangle(_textBrush, textRect);
_textBrush.Color = SystemColors.WindowText;
}
// Note that DisplayMember can be null here, causing pi to be null
PropertyInfo pi = typeof(Photograph).GetProperty(lstPhotos.DisplayMember);
if (pi != null)
{
object propValue = pi.GetValue(p, null);
g.DrawString(propValue.ToString(), e.Font, _textBrush, textRect);
}
else
{
g.DrawString(p.ToString(), e.Font, _textBrush, textRect);
}
}
private void lstPhotos_DrawItem(object sender, DrawItemEventArgs e)
{
Graphics g = e.Graphics;
Photograph p = _album[e.Index];
Rectangle scaledRect = p.ScaleToFit(_drawRect);
Rectangle imageRect = e.Bounds;
imageRect.Y += 1;
imageRect.Height = scaledRect.Height;
imageRect.X += 2;
imageRect.Width = scaledRect.Width;
g.DrawImage(p.ThumbNail, imageRect);
g.DrawRectangle(Pens.Black, imageRect);
Rectangle textRect = new Rectangle(
imageRect.Right + 2,
imageRect.Y + ((imageRect.Height - e.Font.Height) / 2),
e.Bounds.Width - imageRect.Width - 4,
e.Font.Height);
if ((e.State & DrawItemState.Selected) == DrawItemState.Selected)
{
_textBrush.Color = SystemColors.Highlight;
g.FillRectangle(_textBrush, textRect);
_textBrush.Color = SystemColors.HighlightText;
}
else
{
_textBrush.Color = SystemColors.Window;
g.FillRectangle(_textBrush, textRect);
_textBrush.Color = SystemColors.WindowText;
}
string displayMember = String.IsNullOrWhiteSpace(lstPhotos.DisplayMember)
? "FileName"
: lstPhotos.DisplayMember;
PropertyInfo pi = typeof(Photograph).GetProperty(displayMember);
object propValue = pi.GetValue(p, null);
g.DrawString(propValue.ToString(), e.Font, _textBrush, textRect);
}
private void pnlPhoto_Paint(object sender, PaintEventArgs e)
{
if (_dlgPixel != null && _pixelDlgIndex != _album.CurrentPosition)
{
_pixelDlgIndex = _album.CurrentPosition;
Point p = pnlPhoto.PointToClient(Form.MousePosition);
UpdatePixelData(p.X, p.Y);
}
if (_album.Count > 0)
{
Photograph photo = _album.CurrentPhotograph;
Graphics g = e.Graphics;
switch (_selectedMode)
{
default:
case DisplayMode.ScaleToFit:
g.DrawImage(photo.Image, photo.ScaleToFit(pnlPhoto.DisplayRectangle));
break;
case DisplayMode.StretchImage:
g.DrawImage(photo.Image, pnlPhoto.DisplayRectangle);
break;
case DisplayMode.Normal:
g.DrawImage(photo.Image,
pnlPhoto.AutoScrollPosition.X,
pnlPhoto.AutoScrollPosition.Y,
photo.Image.Width,
photo.Image.Height);
pnlPhoto.AutoScrollMinSize = photo.Image.Size;
break;
}
}
else
{
e.Graphics.Clear(SystemColors.Control);
}
}
private void lstPhotos_DrawItem(object sender, System.Windows.Forms.DrawItemEventArgs e)
{
Graphics g = e.Graphics;
Photograph p = _album[e.Index];
Rectangle scaledRect = p.ScaleToFit(_drawRect);
Rectangle imageRect = e.Bounds;
imageRect.Y += 1;
imageRect.Height = scaledRect.Height;
imageRect.X += 2;
imageRect.Width = scaledRect.Width;
g.DrawImage(p.Thumbnail, imageRect);
g.DrawRectangle(Pens.Black, imageRect);
Rectangle textRect = new Rectangle(
imageRect.Right + 2,
imageRect.Y + ((imageRect.Height - e.Font.Height) / 2),
e.Bounds.Width - imageRect.Width - 4,
e.Font.Height);
if ((e.State & DrawItemState.Selected) == DrawItemState.Selected)
{
_textBrush.Color = SystemColors.Highlight;
g.FillRectangle(_textBrush, textRect);
_textBrush.Color = SystemColors.HighlightText;
}
else
{
_textBrush.Color = SystemColors.Window;
g.FillRectangle(_textBrush, textRect);
_textBrush.Color = SystemColors.WindowText;
}
g.DrawString(p.Caption, e.Font, _textBrush, textRect);
}
protected void UpdatePixelData(int xPos, int yPos)
{
if (_dlgPixel == null || !_dlgPixel.Visible)
{
return;
}
Photograph photo = _album.CurrentPhotograph;
Rectangle r = pnlPhoto.ClientRectangle;
if (photo == null || !r.Contains(xPos, yPos))
{
_dlgPixel.Text = photo == null ? " " : photo.Caption;
_dlgPixel.XVal = 0;
_dlgPixel.YVal = 0;
_dlgPixel.RedVal = 0;
_dlgPixel.BlueVal = 0;
_dlgPixel.GreenVal = 0;
_dlgPixel.Update();
return;
}
int x = 0, y = 0;
Bitmap bmp = photo.Image;
switch (_selectedMode)
{
case DisplayMode.Normal:
x = xPos;
y = yPos;
break;
case DisplayMode.StretchImage:
x = xPos * bmp.Width / r.Width;
y = yPos * bmp.Height / r.Height;
break;
case DisplayMode.ScaleToFit:
Rectangle r2 = photo.ScaleToFit(r);
if (!r2.Contains(xPos, yPos))
{
return;
}
x = (xPos - r2.Left) * bmp.Width / r2.Width;
y = (yPos - r2.Top) * bmp.Height / r2.Height;
break;
}
Color c = bmp.GetPixel(x, y);
_dlgPixel.XVal = x;
_dlgPixel.YVal = y;
_dlgPixel.RedVal = c.R;
_dlgPixel.BlueVal = c.B;
_dlgPixel.GreenVal = c.G;
_dlgPixel.Update();
}
