private bool LoadSaveAnimationStruct()
{
CompositionBox _compositionBox = new CompositionBox();
try
{
_compositionBox = (CompositionBox)((MainForm)MdiParent).Jpeg2000Eng.ReadBox(_name, Jpeg2000BoxType.CompositionBox, 0);
}
catch
{
return(false);
}
// There must be only one composition box
RenderHeight = _compositionBox.CompositionOptions.Height;
if (RenderHeight == 0)
{
RenderHeight = DefaultViewerHeight;
}
RenderWidth = _compositionBox.CompositionOptions.Width;
if (RenderWidth == 0)
{
RenderWidth = DefaultViewerWidth;
}
LoopAnimation = (Convert.ToInt32(_compositionBox.CompositionOptions.Loop) == 255) ? true : false;
AnimationDelay = 0;
if (_compositionBox.Instructions[0].Type == 4)
{
AnimationDelay = _compositionBox.Instructions[0].Instructions[0].Life * _compositionBox.Instructions[0].Tick;
}
if (AnimationDelay == 0)
{
AnimationDelay = DefaultDelay;
}
return(true);
}
private void _btnSave_Click(object sender, EventArgs e)
{
if (_txtFileName.Text == "")
{
Messager.ShowError(this, "Please select a file");
return;
}
Jpeg2000FileInformation _fileInformation;
CompositionBox _compositionBox;
CompositionBoxOptions _compositionBoxOptionsNode;
InstructionSet _instructionSetNode;
InstructionSetParameter _instructionSetParameterNode;
_fileInformation = (Jpeg2000FileInformation)ParentMainForm.Jpeg2000Eng.GetFileInformation(_txtFileName.Text);
if (_fileInformation.Composition != null)
{
Messager.ShowError(this, "This file already has animation information!");
return;
}
_compositionBox = new CompositionBox();
_compositionBoxOptionsNode = new CompositionBoxOptions();
_compositionBoxOptionsNode.Height = ParentMainForm.ActiveViewerForm.RenderHeight;
_compositionBoxOptionsNode.Width = ParentMainForm.ActiveViewerForm.RenderWidth;
if (ParentMainForm.ActiveViewerForm.LoopAnimation)
{
_compositionBoxOptionsNode.Loop = 255;
}
else
{
_compositionBoxOptionsNode.Loop = 0;
}
_compositionBox.CompositionOptions = _compositionBoxOptionsNode;
_instructionSetNode = new InstructionSet();
_instructionSetNode.Type = 0x4;//Life Persis, N
_instructionSetNode.Repetition = _fileInformation.Frame.Length;;
_instructionSetNode.Tick = 1;
_instructionSetParameterNode = new InstructionSetParameter();
_instructionSetParameterNode.Life = ParentMainForm.ActiveViewerForm.AnimationDelay;
_instructionSetParameterNode.Persist = 0;
_instructionSetParameterNode.NextUse = 0;
_instructionSetNode.Instructions.Add(_instructionSetParameterNode);
_compositionBox.Instructions.Add(_instructionSetNode);
try
{
ParentMainForm.Jpeg2000Eng.AppendBox(_txtFileName.Text, _compositionBox);
Messager.ShowInformation(this, "Animation settings was saved successfully!");
}
catch (Exception ex)
{
Messager.ShowError(this, ex);
return;
}
this.DialogResult = DialogResult.OK;
this.Close();
}
