Class BlwhResource

BlwhResource class

BlwhResource class is a resource of Black and White Adjustment Layer.

public class BlwhResource : AdjustmentLayerResource

Constructors

NameDescription
BlwhResource()The default constructor.

Properties

NameDescription
BlackAndWhitePresetFileName { get; set; }Gets or sets the black and white preset file name.
Blues { get; set; }Gets or sets the blues value.
BwPresetKind { get; set; }Gets or sets the black and white preset kind value.
Cyans { get; set; }Gets or sets the cyans value.
Greens { get; set; }Gets or sets the greens value.
Key { get; }Gets the layer resource key.
override Length { get; }Gets the layer resource length in bytes.
Magentas { get; set; }Gets or sets the magentas value.
PsdVersion { get; }Gets the minimal psd version required for layer resource. 0 indicates no restrictions.
Reds { get; set; }Gets or sets the reds value.
virtual Signature { get; }Gets the signature.
TintColor { get; set; }Gets or sets the Tint Color ARGB value.
UseTint { get; set; }Gets or sets a value indicating whether [tint color] is used.
Yellows { get; set; }Gets or sets the yellows value.

Methods

NameDescription
override Save(StreamContainer, int)Saves the resource to the specified stream container.
override ToString()Returns a String that represents this instance.

Fields

NameDescription
const TypeToolKeyThe type tool info key.

Examples

The following example demonstrates how you edit a BlwhResource.

[C#]

void AssertIsTrue(bool condition, string message)
{
    if (!condition)
    {
        throw new FormatException(message);
    }
}

const string ActualPropertyValueIsWrongMessage = "Expected property value is not equal to actual value";

string destinationFileName = "Output" + sourceFileName;
bool isRequiredResourceFound = false;
using (PsdImage im = (PsdImage)Image.Load(sourceFileName))
{
    foreach (var layer in im.Layers)
    {
        foreach (var layerResource in layer.Resources)
        {
            if (layerResource is BlwhResource)
            {
                var blwhResource = (BlwhResource)layerResource;
                var blwhLayer = (BlackWhiteAdjustmentLayer)layer;
                isRequiredResourceFound = true;

                AssertIsTrue(blwhResource.Reds == reds, ActualPropertyValueIsWrongMessage);
                AssertIsTrue(blwhResource.Yellows == yellows, ActualPropertyValueIsWrongMessage);
                AssertIsTrue(blwhResource.Greens == greens, ActualPropertyValueIsWrongMessage);
                AssertIsTrue(blwhResource.Cyans == cyans, ActualPropertyValueIsWrongMessage);
                AssertIsTrue(blwhResource.Blues == blues, ActualPropertyValueIsWrongMessage);
                AssertIsTrue(blwhResource.Magentas == magentas, ActualPropertyValueIsWrongMessage);
                AssertIsTrue(blwhResource.UseTint == useTint, ActualPropertyValueIsWrongMessage);
                AssertIsTrue(blwhResource.TintColor == tintColor, ActualPropertyValueIsWrongMessage);
                AssertIsTrue(blwhResource.BwPresetKind == bwPresetKind, ActualPropertyValueIsWrongMessage);
                AssertIsTrue(blwhResource.BlackAndWhitePresetFileName == bwPresetFileName, ActualPropertyValueIsWrongMessage);
                AssertIsTrue(Math.Abs(blwhLayer.TintColorRed - tintColorRed) < 1e-6, ActualPropertyValueIsWrongMessage);
                AssertIsTrue(Math.Abs(blwhLayer.TintColorGreen - tintColorGreen) < 1e-6, ActualPropertyValueIsWrongMessage);
                AssertIsTrue(Math.Abs(blwhLayer.TintColorBlue - tintColorBlue) < 1e-6, ActualPropertyValueIsWrongMessage);

                // Test editing and saving
                blwhResource.Reds = reds - 15;
                blwhResource.Yellows = yellows - 15;
                blwhResource.Greens = greens + 15;
                blwhResource.Cyans = cyans + 15;
                blwhResource.Blues = blues - 15;
                blwhResource.Magentas = magentas - 15;
                blwhResource.UseTint = !useTint;
                blwhResource.BwPresetKind = 4;
                blwhResource.BlackAndWhitePresetFileName = "bwPresetFileName";
                blwhLayer.TintColorRed = tintColorRed - 60;
                blwhLayer.TintColorGreen = tintColorGreen - 60;
                blwhLayer.TintColorBlue = tintColorBlue - 60;

                im.Save(destinationFileName);
                break;
            }
        }
    }
}

AssertIsTrue(isRequiredResourceFound, "The specified BlwhResource not found");

isRequiredResourceFound = false;

using (PsdImage im = (PsdImage)Image.Load(destinationFileName))
{
    foreach (var layer in im.Layers)
    {
        foreach (var layerResource in layer.Resources)
        {
            if (layerResource is BlwhResource)
            {
                var blwhResource = (BlwhResource)layerResource;
                var blwhLayer = (BlackWhiteAdjustmentLayer)layer;
                isRequiredResourceFound = true;

                AssertIsTrue(blwhResource.Reds == reds - 15, ActualPropertyValueIsWrongMessage);
                AssertIsTrue(blwhResource.Yellows == yellows - 15, ActualPropertyValueIsWrongMessage);
                AssertIsTrue(blwhResource.Greens == greens + 15, ActualPropertyValueIsWrongMessage);
                AssertIsTrue(blwhResource.Cyans == cyans + 15, ActualPropertyValueIsWrongMessage);
                AssertIsTrue(blwhResource.Blues == blues - 15, ActualPropertyValueIsWrongMessage);
                AssertIsTrue(blwhResource.Magentas == magentas - 15, ActualPropertyValueIsWrongMessage);
                AssertIsTrue(blwhResource.UseTint == !useTint, ActualPropertyValueIsWrongMessage);
                AssertIsTrue(blwhResource.TintColor == newTintColor, ActualPropertyValueIsWrongMessage);
                AssertIsTrue(blwhResource.BwPresetKind == 4, ActualPropertyValueIsWrongMessage);
                AssertIsTrue(blwhResource.BlackAndWhitePresetFileName == "bwPresetFileName", ActualPropertyValueIsWrongMessage);
                AssertIsTrue(Math.Abs(blwhLayer.TintColorRed - tintColorRed + 60) < 1e-6, ActualPropertyValueIsWrongMessage);
                AssertIsTrue(Math.Abs(blwhLayer.TintColorGreen - tintColorGreen + 60) < 1e-6, ActualPropertyValueIsWrongMessage);
                AssertIsTrue(Math.Abs(blwhLayer.TintColorBlue - tintColorBlue + 60) < 1e-6, ActualPropertyValueIsWrongMessage);

                break;
            }
        }
    }
}

AssertIsTrue(isRequiredResourceFound, "The specified BlwhResource not found");

See Also