public void Execute(ImageSeekCommand cmd, int value)
{
if (Format == null || Format.MaxOffset == 0) return;
int step = value;//e.Control ? 8 : 1;
CorrectOffset(0);
int oldOffset = Format.PicOffset;
int tWidth = Format.Width;
int tHeight = Format.Height;
switch (cmd) {
case ImageSeekCommand.ChangeHeight:
tHeight += step;
break;
case ImageSeekCommand.ChangeWidth:
tWidth += step;
break;
case ImageSeekCommand.ChangeOffsetByte:
Format.PicOffset += step;
break;
case ImageSeekCommand.ChangeOffsetLine:
Format.PicOffset += Format.LineStride * step;
break;
case ImageSeekCommand.ChangeOffsetFrame:
Format.PicOffset += Format.FrameStride * step;
break;
case ImageSeekCommand.ChangeZoom:
Format.Zoom += value;
break;
default:
throw new InvalidOperationException();
}
if (tWidth > 0) Format.Width = tWidth;
if (tHeight > 0) Format.Height = tHeight;
CorrectOffset(oldOffset);
}
private ToolStripItem CreateSeekCommandItem(string caption, ImageSeekCommand cmd, int step, bool useLeap)
{
var item = new ToolStripButton();
item.Text = caption;
item.Click += (s, e) => {
var leap = ((Control.ModifierKeys & Keys.Shift) != Keys.None) ? 8 : 1;
seekController.Execute(cmd, useLeap ? step * leap : step);
};
return(item);
}
public void Execute(ImageSeekCommand cmd, int value)
{
if (Format == null || Format.MaxOffset == 0)
{
return;
}
int step = value;//e.Control ? 8 : 1;
CorrectOffset(0);
int oldOffset = Format.PicOffset;
int tWidth = Format.Width;
int tHeight = Format.Height;
switch (cmd)
{
case ImageSeekCommand.ChangeHeight:
tHeight += step;
break;
case ImageSeekCommand.ChangeWidth:
tWidth += step;
break;
case ImageSeekCommand.ChangeOffsetByte:
Format.PicOffset += step;
break;
case ImageSeekCommand.ChangeOffsetLine:
Format.PicOffset += Format.LineStride * step;
break;
case ImageSeekCommand.ChangeOffsetFrame:
Format.PicOffset += Format.FrameStride * step;
break;
case ImageSeekCommand.ChangeZoom:
Format.Zoom += value;
break;
default:
throw new InvalidOperationException();
}
if (tWidth > 0)
{
Format.Width = tWidth;
}
if (tHeight > 0)
{
Format.Height = tHeight;
}
CorrectOffset(oldOffset);
}
private ToolStripItem CreateSeekCommandItem(string caption, ImageSeekCommand cmd, int step, bool useLeap)
{
var item = new ToolStripButton();
item.Text = caption;
item.Click += (s, e) => {
var leap = ((Control.ModifierKeys & Keys.Shift) != Keys.None) ? 8 : 1;
seekController.Execute(cmd, useLeap ? step * leap : step);
};
return item;
}
