TekH
6672b902b0
Changed the `Page` property from `int?` to `int` to ensure it always has a value. Similarly, changed the `X` and `Y` properties from `double?` to `double` to enforce non-nullable values for horizontal and vertical positions.
30 lines
1.3 KiB
C#
30 lines
1.3 KiB
C#
namespace EnvelopeGenerator.ReceiverUI.Models;
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/// <summary>
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/// Represents a pre-assigned signature annotation position on a specific page.
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/// <br/><br/>
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/// <b>Coordinate unit (X, Y):</b> Hundredths of an inch (1/100 inch ? 2.83 PDF points),
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/// origin at the <b>top-left</b> corner of the page, both axes increase downward/rightward.
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/// This matches the DevExpress XtraReports coordinate system (<see cref="System.Drawing.RectangleF"/>).
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/// <br/><br/>
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/// <b>Difference from PSPDFKit:</b> Same origin (top-left) and direction, but PSPDFKit uses PDF points (1/72 inch).
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/// Convert: <c>xDX = xPsPdf * (100.0 / 72.0)</c>
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/// <br/>
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/// <b>Difference from GDPicture:</b> GDPicture uses PDF points with <b>bottom-left</b> origin (PDF standard); Y is flipped.
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/// Convert: <c>yDX = (pageHeightPt - yGD - elemHeightPt) * (100.0 / 72.0)</c>
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/// </summary>
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public record AnnotationDto
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{
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/// <summary>Unique identifier of the annotation.</summary>
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public long Id { get; init; }
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/// <summary>1-based page number within the document.</summary>
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public int Page { get; init; }
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/// <summary>Horizontal position in hundredths of an inch from the left edge of the page.</summary>
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public double X { get; init; }
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/// <summary>Vertical position in hundredths of an inch from the top edge of the page.</summary>
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public double Y { get; init; }
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}
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