Support of VsmsResource

Support of VsmsResource

This article shows Support of VsmsResource in a PSD file with Aspose.PSD. The following code snippet shows you how Aspose.PSD supports VsmsResource.

// For complete examples and data files, please go to https://github.com/aspose-psd/Aspose.PSD-for-.NET

{
    // The path to the documents directory.
    string dataDir = RunExamples.GetDataDir_PSD();

    string sourceFileName = dataDir + "EmptyRectangle.psd";
    string exportPath = dataDir + "EmptyRectangle_changed.psd";
    var im = (PsdImage)Image.Load(sourceFileName);
    using (im)
    {
        var resource = GetVsmsResource(im);
        // Reading
        if (resource.IsDisabled != false ||
            resource.IsInverted != false ||
            resource.IsNotLinked != false ||
            resource.Paths.Length != 7 ||
            resource.Paths[0].Type != VectorPathType.PathFillRuleRecord ||
            resource.Paths[1].Type != VectorPathType.InitialFillRuleRecord ||
            resource.Paths[2].Type != VectorPathType.ClosedSubpathLengthRecord ||
            resource.Paths[3].Type != VectorPathType.ClosedSubpathBezierKnotUnlinked ||
            resource.Paths[4].Type != VectorPathType.ClosedSubpathBezierKnotUnlinked ||
            resource.Paths[5].Type != VectorPathType.ClosedSubpathBezierKnotUnlinked ||
            resource.Paths[6].Type != VectorPathType.ClosedSubpathBezierKnotUnlinked)
        {
            throw new Exception("VsmsResource was read wrong");
        }
        var pathFillRule = (PathFillRuleRecord)resource.Paths[0];
        var initialFillRule = (InitialFillRuleRecord)resource.Paths[1];
        var subpathLength = (LengthRecord)resource.Paths[2];

        // Path fill rule doesn't contain any additional information
        if (pathFillRule.Type != VectorPathType.PathFillRuleRecord ||
        initialFillRule.Type != VectorPathType.InitialFillRuleRecord ||
        initialFillRule.IsFillStartsWithAllPixels != false ||
        subpathLength.Type != VectorPathType.ClosedSubpathLengthRecord ||
        subpathLength.IsClosed != true ||
        subpathLength.IsOpen != false)
        {
            throw new Exception("VsmsResource paths were read wrong");
        }

        // Editing
        resource.IsDisabled = true;
        resource.IsInverted = true;
        resource.IsNotLinked = true;
        var bezierKnot = (BezierKnotRecord)resource.Paths[3];
        bezierKnot.Points[0] = new Point(0, 0);
        bezierKnot = (BezierKnotRecord)resource.Paths[4];
        bezierKnot.Points[0] = new Point(8039798, 10905191);
        initialFillRule.IsFillStartsWithAllPixels = true;
        subpathLength.IsClosed = false;
        im.Save(exportPath);
    }
}

static VsmsResource GetVsmsResource(PsdImage image)
{
    var layer = image.Layers[1];
    VsmsResource resource = null;
    var resources = layer.Resources;
    for (int i = 0; i < resources.Length; i++)
    {
        if (resources[i] is VsmsResource)
        {
            resource = (VsmsResource)resources[i];
            break;
        }
    }
    if (resource == null)
    {
        throw new Exception("VsmsResource not found");
    }
    return resource;
}