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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
#nullable enable
using System.Drawing;
namespace System.Windows.Forms.Metafiles;
internal sealed class TextOutValidator : StateValidator
{
private readonly string? _text;
private readonly Rectangle? _bounds;
/// <param name="text">Optional text to validate.</param>
/// <param name="bounds">Optional bounds to validate.</param>
/// <param name="stateValidators">Optional device context state validation to perform.</param>
public TextOutValidator(
string? text,
Rectangle? bounds = default,
params IStateValidator[] stateValidators) : base(stateValidators)
{
_text = text;
_bounds = bounds;
}
public override bool ShouldValidate(ENHANCED_METAFILE_RECORD_TYPE recordType) => recordType == ENHANCED_METAFILE_RECORD_TYPE.EMR_EXTTEXTOUTW;
public override unsafe void Validate(ref EmfRecord record, DeviceContextState state, out bool complete)
{
base.Validate(ref record, state, out _);
// We're only checking one TextOut record, so this call completes our work.
complete = true;
EMREXTTEXTOUTW* textOut = record.ExtTextOutWRecord;
if (_text is not null)
{
Assert.Equal(_text, textOut->emrtext.GetText().ToString());
}
if (_bounds.HasValue)
{
Assert.Equal(_bounds.Value, (Rectangle)textOut->rclBounds);
}
}
}
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