修改缩放功能
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@ -91,14 +91,125 @@ namespace CadParamPluging.Cad
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#endregion
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#region 预期图形尺寸计算
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/// <summary>
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/// 预期图形尺寸
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/// </summary>
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public class ExpectedDrawingSize
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{
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public double Width { get; set; }
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public double Height { get; set; }
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public bool IsValid => Width > 0 && Height > 0;
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}
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/// <summary>
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/// 根据参数计算预期绘制图形的尺寸（不包含标注，仅计算图形主体）
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/// </summary>
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public static ExpectedDrawingSize CalculateExpectedSize(ParamBag bag, string structuralFeature)
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{
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if (bag == null)
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{
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return new ExpectedDrawingSize();
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}
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if (IsRing(structuralFeature))
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{
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return CalculateRingSize(bag);
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}
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if (IsDisk(structuralFeature))
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{
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return CalculateDiskSize(bag);
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}
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if (IsShaft(structuralFeature))
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{
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return CalculateShaftSize(bag);
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}
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if (IsBlock(structuralFeature))
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{
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return CalculateBlockSize(bag);
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}
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return new ExpectedDrawingSize();
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}
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private static ExpectedDrawingSize CalculateRingSize(ParamBag bag)
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{
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var outerDia = bag.GetDoubleOrNull(KeyOuterDiameter1) ?? 0;
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var height = bag.GetDoubleOrNull(KeyHeight1) ?? 0;
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// 环形图形：宽度=高度参数（X方向），高度=外径（Y方向）
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// 加上标注的额外空间（约40像素每侧）
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var extraMargin = 40;
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return new ExpectedDrawingSize
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{
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Width = height + extraMargin * 2,
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Height = outerDia + extraMargin * 2
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};
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}
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private static ExpectedDrawingSize CalculateDiskSize(ParamBag bag)
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{
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var diameter = bag.GetDoubleOrNull(KeyDiskDiameter) ?? 0;
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var height = bag.GetDoubleOrNull(KeyDiskHeight) ?? 0;
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var extraMargin = 40;
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return new ExpectedDrawingSize
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{
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Width = diameter + extraMargin * 2,
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Height = height + extraMargin * 2
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};
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}
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private static ExpectedDrawingSize CalculateShaftSize(ParamBag bag)
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{
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var diameter = bag.GetDoubleOrNull(KeyDiameter) ?? 0;
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var length = bag.GetDoubleOrNull(KeyLength) ?? 0;
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var extraMargin = 40;
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return new ExpectedDrawingSize
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{
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Width = length + extraMargin * 2,
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Height = diameter + extraMargin * 2
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};
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}
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private static ExpectedDrawingSize CalculateBlockSize(ParamBag bag)
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{
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var size1 = bag.GetDoubleOrNull(KeySize1) ?? bag.GetDoubleOrNull("Size123") ?? 0;
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var size2 = bag.GetDoubleOrNull(KeySize2) ?? size1;
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var extraMargin = 40;
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return new ExpectedDrawingSize
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{
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Width = size1 + extraMargin * 2,
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Height = size2 + extraMargin * 2
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};
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}
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#endregion
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#region 主入口
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/// <summary>
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/// 绘制图形（带缩放支持）
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/// </summary>
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/// <param name="ctx">CAD上下文</param>
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/// <param name="bag">参数包</param>
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/// <param name="deliveryStatus">交付状态</param>
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/// <param name="structuralFeature">结构特征</param>
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/// <param name="specialCondition">特殊条件</param>
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/// <param name="center">绘图中心点</param>
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/// <param name="scaleFactor">缩放比例（1.0表示不缩放）</param>
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public static void Draw(CadContext ctx, ParamBag bag, string deliveryStatus, string structuralFeature,
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string specialCondition = null, Point3d? center = null)
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string specialCondition = null, Point3d? center = null, double scaleFactor = 1.0)
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{
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if (ctx == null) throw new ArgumentNullException(nameof(ctx));
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if (bag == null) throw new ArgumentNullException(nameof(bag));
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// 如果需要缩放，创建一个缩放后的参数包
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var effectiveBag = scaleFactor < 1.0 ? ScaleParamBag(bag, scaleFactor) : bag;
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var db = ctx.Database;
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var tr = ctx.Transaction;
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var btr = (BlockTableRecord)tr.GetObject(db.CurrentSpaceId, OpenMode.ForWrite);
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@ -106,7 +217,7 @@ namespace CadParamPluging.Cad
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var context = new DrawingContext
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{
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Ctx = ctx,
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Bag = bag,
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Bag = effectiveBag,
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Center = center ?? Point3d.Origin,
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DeliveryStatus = deliveryStatus,
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StructuralFeature = structuralFeature,
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@ -759,6 +870,78 @@ namespace CadParamPluging.Cad
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catch { }
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}
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/// <summary>
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/// 对参数包中的尺寸参数应用缩放比例
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/// </summary>
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private static ParamBag ScaleParamBag(ParamBag original, double scaleFactor)
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{
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if (original == null || scaleFactor <= 0 || scaleFactor >= 1.0)
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{
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return original;
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}
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var scaled = new ParamBag();
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// 需要缩放的尺寸参数Key列表
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var sizeKeys = new HashSet<string>(StringComparer.OrdinalIgnoreCase)
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{
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// 环形参数
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KeyOuterDiameter1, KeyInnerDiameter2, KeyHeight1,
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KeyOuterDiameter1Prime, KeyInnerDiameter2Prime, KeyHeight1Prime,
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KeyMinWallThickness,
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// 饼盘参数
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KeyDiskDiameter, KeyDiskHeight,
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// 轴杆参数
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KeyDiameter, KeyLength,
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// 方形参数
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KeySize1, KeySize2, KeySize3, "Size123",
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// 圆角参数
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KeyUnspecifiedFilletRadiusMax, KeyInnerRadiusMax, KeyRoundHeadFilletRadiusMax
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};
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// 公差参数也需要缩放
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var toleranceKeys = new HashSet<string>(StringComparer.OrdinalIgnoreCase)
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{
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KeyOuterDiameter1TolPlus, KeyOuterDiameter1TolMinus,
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KeyInnerDiameter2TolPlus, KeyInnerDiameter2TolMinus,
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KeyHeight1TolPlus, KeyHeight1TolMinus,
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KeyDiskDiameterTolPlus, KeyDiskDiameterTolMinus,
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KeyDiskHeightTolPlus, KeyDiskHeightTolMinus,
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KeyDiameterTolPlus, KeyDiameterTolMinus,
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KeyLengthTolPlus, KeyLengthTolMinus,
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KeySize1TolPlus, KeySize1TolMinus,
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KeySize2TolPlus, KeySize2TolMinus,
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KeySize3TolPlus, KeySize3TolMinus
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};
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foreach (var key in original.GetKeys())
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{
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var value = original.GetString(key);
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if (sizeKeys.Contains(key) || toleranceKeys.Contains(key))
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{
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// 尝试解析为数值并缩放
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if (double.TryParse(value, out var numValue))
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{
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var scaledValue = numValue * scaleFactor;
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// 保留适当的小数位数
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scaled.Set(key, scaledValue.ToString("F2"));
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}
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else
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{
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scaled.Set(key, value);
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}
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}
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else
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{
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// 非尺寸参数直接复制
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scaled.Set(key, value);
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}
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}
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return scaled;
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}
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#endregion
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}
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}
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@ -20,11 +20,12 @@ namespace CadParamPluging.Cad
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/// <param name="structuralFeature">结构特征（环形/饼盘/轴杆/方体）</param>
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/// <param name="specialCondition">特殊条件（中心冲孔/有圆头等）</param>
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/// <param name="center">绘图中心点</param>
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/// <param name="scaleFactor">缩放比例（1.0表示不缩放）</param>
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public static void Draw(CadContext ctx, ParamBag bag, string deliveryStatus, string structuralFeature,
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string specialCondition = null, Point3d? center = null)
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string specialCondition = null, Point3d? center = null, double scaleFactor = 1.0)
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{
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// 委托给特征驱动绘图引擎
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FeatureDrivenDrawer.Draw(ctx, bag, deliveryStatus, structuralFeature, specialCondition, center);
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FeatureDrivenDrawer.Draw(ctx, bag, deliveryStatus, structuralFeature, specialCondition, center, scaleFactor);
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}
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/// <summary>
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@ -1313,5 +1313,185 @@ namespace CadParamPluging.Cad
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return true;
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}
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}
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/// <summary>
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/// 检测白色外框（图纸边界）的范围
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/// 白色外框通常是 ColorIndex=7 的 Line 或 Polyline，构成图纸的可绘图区域
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/// </summary>
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public static Extents3d? ComputeWhiteFrameExtents(CadContext ctx)
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{
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if (ctx == null)
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{
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return null;
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}
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var db = ctx.Database;
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var tr = ctx.Transaction;
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var bt = (BlockTable)tr.GetObject(db.BlockTableId, OpenMode.ForRead);
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var ms = (BlockTableRecord)tr.GetObject(bt[BlockTableRecord.ModelSpace], OpenMode.ForRead);
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var allEntities = ms.Cast<ObjectId>()
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.Select(id => tr.GetObject(id, OpenMode.ForRead, false) as Entity)
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.Where(e => e != null && !e.IsErased)
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.ToList();
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return ComputeWhiteFrameExtentsFromEntities(tr, allEntities);
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}
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private static Extents3d? ComputeWhiteFrameExtentsFromEntities(Transaction tr, IEnumerable<Entity> entities)
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{
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Extents3d? result = null;
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foreach (var ent in entities)
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{
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if (ent == null || ent.IsErased)
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{
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continue;
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}
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// 只处理 Line 或 Polyline
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if (!(ent is Line) && !(ent is Polyline))
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{
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continue;
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}
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// 检查是否是白色（ColorIndex=7）
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if (!IsWhiteColor(ent, tr))
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{
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continue;
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}
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try
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{
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var ext = ent.GeometricExtents;
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if (result == null)
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{
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result = ext;
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}
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else
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{
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result = new Extents3d(
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new Point3d(
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Math.Min(result.Value.MinPoint.X, ext.MinPoint.X),
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Math.Min(result.Value.MinPoint.Y, ext.MinPoint.Y),
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Math.Min(result.Value.MinPoint.Z, ext.MinPoint.Z)),
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new Point3d(
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Math.Max(result.Value.MaxPoint.X, ext.MaxPoint.X),
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Math.Max(result.Value.MaxPoint.Y, ext.MaxPoint.Y),
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Math.Max(result.Value.MaxPoint.Z, ext.MaxPoint.Z)));
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}
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}
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catch
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{
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// 忽略
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}
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}
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return result;
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}
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private static bool IsWhiteColor(Entity ent, Transaction tr)
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{
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if (ent == null)
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{
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return false;
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}
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// ColorIndex=7 是白色
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var colorIndex = ent.ColorIndex;
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if (colorIndex == 7)
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{
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return true;
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}
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// ColorIndex=256 表示 ByLayer，需要检查图层颜色
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if (colorIndex == 256 && tr != null)
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{
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try
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{
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var layer = tr.GetObject(ent.LayerId, OpenMode.ForRead) as LayerTableRecord;
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if (layer != null && layer.Color.ColorIndex == 7)
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{
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return true;
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}
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}
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catch
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{
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// 忽略
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}
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}
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return false;
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}
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/// <summary>
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/// 图形尺寸检查结果
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/// </summary>
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public sealed class DrawingSizeCheckResult
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{
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public bool NeedsScaling { get; set; }
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public double ScaleFactor { get; set; } = 1.0;
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public double DrawingWidth { get; set; }
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public double DrawingHeight { get; set; }
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public double AvailableWidth { get; set; }
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public double AvailableHeight { get; set; }
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public string Message { get; set; }
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}
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/// <summary>
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/// 检查图形是否会超出图纸边界，如果超出则计算缩放比例
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/// </summary>
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/// <param name="whiteFrameExtents">白色外框范围</param>
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/// <param name="drawingWidth">预期绘制图形的宽度</param>
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/// <param name="drawingHeight">预期绘制图形的高度</param>
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/// <param name="margin">边距（默认50）</param>
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/// <returns>检查结果，包含是否需要缩放和缩放比例</returns>
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public static DrawingSizeCheckResult CheckDrawingSize(Extents3d? whiteFrameExtents, double drawingWidth, double drawingHeight, double margin = 50)
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{
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var result = new DrawingSizeCheckResult
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{
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DrawingWidth = drawingWidth,
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DrawingHeight = drawingHeight
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};
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if (!whiteFrameExtents.HasValue)
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{
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result.Message = "未检测到白色外框，跳过尺寸检查";
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return result;
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}
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var frame = whiteFrameExtents.Value;
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var availableWidth = frame.MaxPoint.X - frame.MinPoint.X - margin * 2;
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var availableHeight = frame.MaxPoint.Y - frame.MinPoint.Y - margin * 2;
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result.AvailableWidth = availableWidth;
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result.AvailableHeight = availableHeight;
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if (availableWidth <= 0 || availableHeight <= 0)
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{
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result.Message = "白色外框范围无效";
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return result;
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}
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// 计算宽度和高度的缩放比例，取较小值（等比例缩放）
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var scaleX = availableWidth / drawingWidth;
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var scaleY = availableHeight / drawingHeight;
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if (scaleX >= 1.0 && scaleY >= 1.0)
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{
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result.NeedsScaling = false;
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result.ScaleFactor = 1.0;
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result.Message = $"图形尺寸正常，无需缩放 (图形: {drawingWidth:F1}x{drawingHeight:F1}, 可用: {availableWidth:F1}x{availableHeight:F1})";
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return result;
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}
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// 需要缩放，取较小的比例以确保两个方向都不超出
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result.NeedsScaling = true;
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result.ScaleFactor = Math.Min(scaleX, scaleY);
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result.Message = $"图形超出边界，将等比例缩放至 {result.ScaleFactor:P1} (图形: {drawingWidth:F1}x{drawingHeight:F1}, 可用: {availableWidth:F1}x{availableHeight:F1})";
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return result;
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}
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}
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}
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@ -616,6 +616,51 @@ namespace CadParamPluging.UI
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var removeResult = TemplateDrawingService.RemoveTemplateOriginalDrawing(ctx);
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AppendLog($"已删除原有图形: 红色外框={removeResult.OuterFrameErased}, CAXA图层={removeResult.CaxaLayerErased}, 标注={removeResult.DimensionLayerErased}, 保留右上角={removeResult.DimensionLayerKept}");
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// 检测白色外框（图纸边界）范围
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var whiteFrameExtents = TemplateDrawingService.ComputeWhiteFrameExtents(ctx);
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// 计算预期图形尺寸
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var expectedSize = FeatureDrivenDrawer.CalculateExpectedSize(bag, tplParams.SheetSize);
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// 检查是否会超出图纸边界
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double scaleFactor = 1.0;
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if (expectedSize.IsValid && whiteFrameExtents.HasValue)
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{
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var sizeCheck = TemplateDrawingService.CheckDrawingSize(
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whiteFrameExtents,
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expectedSize.Width,
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expectedSize.Height,
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50); // 边距50
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AppendLog(sizeCheck.Message);
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if (sizeCheck.NeedsScaling)
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{
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// 询问用户是否要等比例缩放
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var confirmScale = MessageBox.Show(
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this,
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$"图形尺寸超出图纸边界！\n\n" +
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$"图形尺寸: {expectedSize.Width:F1} x {expectedSize.Height:F1}\n" +
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$"可用区域: {sizeCheck.AvailableWidth:F1} x {sizeCheck.AvailableHeight:F1}\n" +
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$"建议缩放比例: {sizeCheck.ScaleFactor:P1}\n\n" +
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$"是否等比例缩小图形以适应图纸？\n" +
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$"选择【是】将自动缩放，选择【否】将按原尺寸绘制（可能超出边界）",
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"图形尺寸超出",
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MessageBoxButtons.YesNo,
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MessageBoxIcon.Warning);
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if (confirmScale == DialogResult.Yes)
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{
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scaleFactor = sizeCheck.ScaleFactor;
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AppendLog($"将应用缩放比例: {scaleFactor:P1}");
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}
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else
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{
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AppendLog("用户选择按原尺寸绘制");
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}
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}
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}
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// 根据模板参数绘制半剖视图，居中放置于原图纸位置
|
||||
// 使用特征驱动模式：根据参数存在性动态绘制对应特征
|
||||
HalfSectionDrawer.Draw(
|
||||
@ -624,7 +669,8 @@ namespace CadParamPluging.UI
|
||||
tplParams.ProjectType, // 交付状态
|
||||
tplParams.SheetSize, // 结构特征
|
||||
tplParams.Scale, // 特殊条件（中心冲孔/有圆头等）
|
||||
removeResult.OriginalCenter // 原图纸中心点
|
||||
removeResult.OriginalCenter, // 原图纸中心点
|
||||
scaleFactor // 缩放比例
|
||||
);
|
||||
|
||||
ctx.Commit();
|
||||
|
||||
Loading…
Reference in New Issue
Block a user