override public bool Execute()
{
DoubleParameter width = Parameters["Wdth"] as DoubleParameter;
if (width != null)
{
_width = width.GetPixels(ActiveImage.Width);
}
DoubleParameter height = Parameters["Hght"] as DoubleParameter;
if (height != null)
{
_height = height.GetPixels(ActiveImage.Height);
}
if (_constrainProportions)
{
if (_width != 0 && _height == 0)
{
_height = ActiveImage.Height * _width / ActiveImage.Width;
}
if (_width == 0 && _height != 0)
{
_width = ActiveImage.Width * _height / ActiveImage.Height;
}
}
ActiveImage.Scale((int)_width, (int)_height);
return(true);
}
protected override IEnumerable ListParameters()
{
ObjcParameter objc = Parameters["Ofst"] as ObjcParameter;
if (objc != null)
{
yield return("Offset");
}
DoubleParameter width = Parameters["Wdth"] as DoubleParameter;
if (width != null)
{
yield return(width.Format());
}
ObjcParameter position = Parameters["Pstn"] as ObjcParameter;
if (position != null)
{
if (position.Contains("Hrzn"))
{
_horizontal = position.GetValueAsDouble("Hrzn");
}
if (position.Contains("Vrtc"))
{
_vertical = position.GetValueAsDouble("Vrtc");
}
yield return(String.Format("Position: {0}, {1}", _horizontal,
_vertical));
}
BoolParameter relative = Parameters["Rltv"] as BoolParameter;
if (relative != null)
{
yield return(relative.Format("Relative"));
}
}
protected override IEnumerable ListParameters()
{
ObjcParameter objc = Parameters["Ofst"] as ObjcParameter;
if (objc != null)
{
yield return("Offset");
}
DoubleParameter width = Parameters["Wdth"] as DoubleParameter;
if (width != null)
{
yield return("Width: " + width.Value);
}
DoubleParameter height = Parameters["Hght"] as DoubleParameter;
if (height != null)
{
yield return("Height: " + height.Value);
}
}
override public bool Execute()
{
DoubleParameter width = Parameters["Wdth"] as DoubleParameter;
double widthPercentage = (width == null) ? 100 : width.Value;
DoubleParameter height = Parameters["Hght"] as DoubleParameter;
double heightPercentage = (height == null) ? 100 : height.Value;
bool nonEmpty;
Rectangle bounds = ActiveImage.Selection.Bounds(out nonEmpty);
double newWidth = bounds.Width * widthPercentage / 100;
double newHeight = bounds.Height * heightPercentage / 100;
// TODO: always rescale from the center
double x = bounds.X1 + (bounds.Width - newWidth) / 2;
double y = bounds.Y1 + (bounds.Height - newHeight) / 2;
// TODO: for now assume that the selection is always rectangular
RectangleSelectTool tool = new RectangleSelectTool(ActiveImage);
tool.Select(x, y, newWidth, newHeight, ChannelOps.Replace, false, 0);
return(true);
}
public Parameter ReadItem()
{
string key;
if (PreSix)
{
key = ReadFourByteString();
}
else
{
key = ReadTokenOrString();
}
string type = ReadFourByteString();
DebugOutput.Dump("key: {0} ({1})", key, type);
Parameter parameter = null;
switch (type)
{
case "alis":
parameter = new AliasParameter();
break;
case "UntF":
parameter = new DoubleParameter(true);
break;
case "bool":
parameter = new BoolParameter();
break;
case "doub":
parameter = new DoubleParameter(false);
break;
case "enum":
parameter = new EnumParameter();
break;
case "obj":
parameter = new ReferenceParameter();
break;
case "VlLs":
parameter = new ListParameter();
break;
case "long":
parameter = new LongParameter();
break;
case "Pth":
parameter = new PathParameter();
break;
case "TEXT":
parameter = new TextParameter();
break;
case "ObAr":
parameter = new ObArParameter();
break;
case "Objc":
parameter = new ObjcParameter();
break;
case "tdta":
parameter = new RawDataParameter();
break;
case "type":
parameter = new TypeParameter();
break;
default:
Console.WriteLine("ReadItem: type {0} unknown!", type);
throw new GimpSharpException();
}
DebugOutput.Level++;
parameter.Parse(this);
DebugOutput.Level--;
parameter.Name = key;
return parameter;
}
public Parameter ReadItem()
{
string key;
if (PreSix)
{
key = ReadFourByteString();
}
else
{
key = ReadTokenOrString();
}
string type = ReadFourByteString();
DebugOutput.Dump($"key: {key} ({type})");
Parameter parameter = null;
switch (type)
{
case "alis":
parameter = new AliasParameter();
break;
case "UntF":
parameter = new DoubleParameter(true);
break;
case "bool":
parameter = new BoolParameter();
break;
case "doub":
parameter = new DoubleParameter(false);
break;
case "enum":
parameter = new EnumParameter();
break;
case "obj":
parameter = new ReferenceParameter();
break;
case "VlLs":
parameter = new ListParameter();
break;
case "long":
parameter = new LongParameter();
break;
case "Pth":
parameter = new PathParameter();
break;
case "TEXT":
parameter = new TextParameter();
break;
case "ObAr":
parameter = new ObArParameter();
break;
case "Objc":
parameter = new ObjcParameter();
break;
case "tdta":
parameter = new RawDataParameter();
break;
case "type":
parameter = new TypeParameter();
break;
default:
Console.WriteLine("ReadItem: type {0} unknown!", type);
throw new GimpSharpException();
}
DebugOutput.Level++;
parameter.Parse(this);
DebugOutput.Level--;
parameter.Name = key;
return(parameter);
}
