Class BezierKnotRecord

BezierKnotRecord class

贝塞尔结记录类

public class BezierKnotRecord : VectorPathRecord

构造函数

姓名描述
BezierKnotRecord()初始化一个新的实例BezierKnotRecord类.
BezierKnotRecord(byte[])初始化一个新的实例BezierKnotRecord类.

特性

姓名描述
IsClosed { get; set; }获取或设置一个值,指示此实例是否已关闭。
IsLinked { get; set; }获取或设置一个值,指示此实例是否链接。
IsOpen { get; set; }获取或设置一个值,指示此实例是否打开。
PathPoints { get; set; }获取或设置路径点。
Points { get; set; }获取或设置点。
override Type { get; }获取类型。

例子

下面的例子演示了对 VmskResource 资源加载的支持。如何编辑路径。

[C#]

[Test]
public void TestPsdNet106()
{
    string sourceFileName = "Rectangle.psd";
    string exportPath = "Rectangle_changed.psd";
    var im = (PsdImage)Image.Load(sourceFileName);
    using (im)
    {
        var resource = GetVmskResource(im);
        // 阅读
        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("VmskResource was read wrong");
        }
        var pathFillRule = (PathFillRuleRecord)resource.Paths[0];
        var initialFillRule = (InitialFillRuleRecord)resource.Paths[1];
        var subpathLength = (LengthRecord)resource.Paths[2];
        // 路径填充规则不包含任何附加信息
        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("VmskResource paths were read wrong");
        }
        // 编辑
        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(8039797, 10905190);
        initialFillRule.IsFillStartsWithAllPixels = true;
        subpathLength.IsClosed = false;
        im.Save(exportPath);
    }
}

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

以下示例演示了对 VsmsResource 资源加载的支持。如何编辑路径。

[C#]

[Test]
public void TestPsdNet140()
{
    // VsmsResource 支持
    string sourceFileName = "EmptyRectangle.psd";
    string exportPath = "EmptyRectangle_changed.psd";
    var im = (PsdImage)Image.Load(sourceFileName);
    using (im)
    {
        var resource = GetVsmsResource(im);
        // 阅读
        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];

        // 路径填充规则不包含任何附加信息
        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");
        }

        // 编辑
        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);
    }
}

private 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;
}

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