VectorShapeTransform.VectorShapeTransform

VectorShapeTransform constructor

Initializes a new instance of the VectorShapeTransform class.

public VectorShapeTransform()

Examples

This example shows how to get and set new Transform and OriginBoxCorners properties of ShapeOriginSettings in the Vogk resource of FillLayer in the PSD file.

[C#]

// This example shows how to get and set new Transform and OriginBoxCorners properties
// of ShapeOriginSettings in the Vogk resource of FillLayer in the PSD file
string sourceFileName = "vectorShape_25_50.psd";
string outputPath = "result.psd";

VectorShapeOriginSettings originalSetting;
const int layerIndex = 0;

// Load the original image
using (PsdImage image = (PsdImage)Image.Load(sourceFileName))
{
    AssertIsTrue(layerIndex < image.Layers.Length);
    var layer = image.Layers[layerIndex];
    AssertIsTrue(layer is FillLayer);
    var resource = GetVogkResource((FillLayer)layer);
    AssertAreEqual(1, resource.ShapeOriginSettings.Length);

    // Assert after reading
    var setting = resource.ShapeOriginSettings[0];
    AssertAreEqual(false, setting.IsShapeInvalidatedPresent);
    AssertAreEqual(false, setting.IsOriginRadiiRectanglePresent);
    AssertAreEqual(true, setting.IsOriginIndexPresent);
    AssertAreEqual(0, setting.OriginIndex);
    AssertAreEqual(true, setting.IsOriginTypePresent);
    AssertAreEqual(5, setting.OriginType);
    AssertAreEqual(true, setting.IsOriginShapeBBoxPresent);
    AssertAreEqual(Rectangle.FromLeftTopRightBottom(3, 7, 10, 22), setting.OriginShapeBox.Bounds);
    AssertAreEqual(true, setting.IsOriginResolutionPresent);
    AssertAreEqual(300d, setting.OriginResolution);

    // Assert new properties
    AssertAreEqual(true, setting.IsTransformPresent);
    AssertAreEqual(0d, setting.Transform.Tx);
    AssertAreEqual(0d, setting.Transform.Ty);
    AssertAreEqual(0.050000000000000003d, setting.Transform.Xx);
    AssertAreEqual(0d, setting.Transform.Yx);
    AssertAreEqual(0d, setting.Transform.Xy);
    AssertAreEqual(0.1d, setting.Transform.Yy);
    AssertAreEqual(true, setting.IsOriginBoxCornersPresent);
    AssertAreEqual(2.9000000000000004d, setting.OriginBoxCorners[0]);
    AssertAreEqual(7.3000000000000007d, setting.OriginBoxCorners[1]);
    AssertAreEqual(10.450000000000001d, setting.OriginBoxCorners[2]);
    AssertAreEqual(7.3000000000000007d, setting.OriginBoxCorners[3]);
    AssertAreEqual(10.450000000000001d, setting.OriginBoxCorners[4]);
    AssertAreEqual(22.400000000000002d, setting.OriginBoxCorners[5]);
    AssertAreEqual(2.9000000000000004d, setting.OriginBoxCorners[6]);
    AssertAreEqual(22.400000000000002d, setting.OriginBoxCorners[7]);

    // Set new properties
    originalSetting = resource.ShapeOriginSettings[0];
    originalSetting.Transform.Tx = 0.2d;
    originalSetting.Transform.Ty = 0.3d;
    originalSetting.Transform.Xx = 0.4d;
    originalSetting.Transform.Xy = 0.5d;
    originalSetting.Transform.Yx = 0.6d;
    originalSetting.Transform.Yy = 0.7d;
    originalSetting.OriginBoxCorners = new double[8] { 9, 8, 7, 6, 5, 4, 3, 2 };

    // Save this PSD image with changed propeties.
    image.Save(outputPath, new PsdOptions(image));
}

// Load the saved PSD image with changed propeties.
using (PsdImage image = (PsdImage)Image.Load(outputPath))
{
    var layer = image.Layers[layerIndex];
    AssertIsTrue(layer is FillLayer);
    var resource = GetVogkResource((FillLayer)layer);
    AssertAreEqual(1, resource.ShapeOriginSettings.Length);

    // Assert that properties are saved and loaded correctly 
    var setting = resource.ShapeOriginSettings[0];
    AssertAreEqual(true, setting.IsOriginIndexPresent);
    AssertAreEqual(false, setting.IsShapeInvalidatedPresent);
    AssertAreEqual(true, setting.IsOriginResolutionPresent);
    AssertAreEqual(true, setting.IsOriginTypePresent);
    AssertAreEqual(true, setting.IsOriginShapeBBoxPresent);
    AssertAreEqual(false, setting.IsOriginRadiiRectanglePresent);
    AssertAreEqual(0, setting.OriginIndex);
    AssertAreEqual(true, setting.IsTransformPresent);
    AssertAreEqual(0.2d, setting.Transform.Tx);
    AssertAreEqual(0.3d, setting.Transform.Ty);
    AssertAreEqual(0.4d, setting.Transform.Xx);
    AssertAreEqual(0.5d, setting.Transform.Xy);
    AssertAreEqual(0.6d, setting.Transform.Yx);
    AssertAreEqual(0.7d, setting.Transform.Yy);
    AssertAreEqual(true, setting.IsOriginBoxCornersPresent);
    AssertAreEqual(originalSetting.OriginBoxCorners[0], setting.OriginBoxCorners[0]);
    AssertAreEqual(originalSetting.OriginBoxCorners[1], setting.OriginBoxCorners[1]);
    AssertAreEqual(originalSetting.OriginBoxCorners[2], setting.OriginBoxCorners[2]);
    AssertAreEqual(originalSetting.OriginBoxCorners[3], setting.OriginBoxCorners[3]);
    AssertAreEqual(originalSetting.OriginBoxCorners[4], setting.OriginBoxCorners[4]);
    AssertAreEqual(originalSetting.OriginBoxCorners[5], setting.OriginBoxCorners[5]);
    AssertAreEqual(originalSetting.OriginBoxCorners[6], setting.OriginBoxCorners[6]);
    AssertAreEqual(originalSetting.OriginBoxCorners[7], setting.OriginBoxCorners[7]);
}

VogkResource GetVogkResource(FillLayer layer)
{
    if (layer == null)
    {
        throw new PsdImageArgumentException("The parameter layer should not be null.");
    }

    VogkResource resource = null;
    var resources = layer.Resources;
    for (int i = 0; i < resources.Length; i++)
    {
        if (resources[i] is VogkResource)
        {
            resource = (VogkResource)resources[i];
            break;
        }
    }

    if (resource == null)
    {
        throw new PsdImageException("VogkResource not found.");
    }

    return resource;
}

void AssertIsTrue(bool condition)
{
    if (!condition)
    {
        throw new FormatException(string.Format("Expected true"));
    }
}

void AssertAreEqual(object actual, object expected)
{
    if (!object.Equals(actual, expected))
    {
        throw new FormatException(string.Format("Actual value {0} are not equal to expected {1}.", actual, expected));
    }
}

See Also

VectorShapeTransform.Tx