mirror of
https://github.com/wmjordan/PDFPatcher.git
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WMJ
273 lines
7.4 KiB
C#
273 lines
7.4 KiB
C#
using System;
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using System.ComponentModel;
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namespace PDFPatcher.Processor.ContentParser;
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/// <summary>
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/// 用于标注 PDF 操作符名称的自定义特性
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/// </summary>
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[AttributeUsage(AttributeTargets.Field)]
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public sealed class PdfOperatorAttribute(string name) : Attribute
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{
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public string Name { get; } = name;
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}
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public enum RenderCommandKind
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{
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// 未知 / 容错
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[PdfOperator("")]
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[Description("Unknown")]
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Unknown,
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// 图形状态（容器）
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[PdfOperator("q")]
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[Description("Save graphics state")]
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GSave,
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[PdfOperator("Q")]
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[Description("Restore graphics state")]
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GRestore,
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// 文本对象（容器）
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[PdfOperator("BT")]
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[Description("Begin text object")]
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BeginText,
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[PdfOperator("ET")]
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[Description("End text object")]
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EndText,
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// 兼容性段（容器）
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[PdfOperator("BX")]
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[Description("Begin compatibility section")]
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BeginCompatibilitySection,
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[PdfOperator("EX")]
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[Description("End compatibility section")]
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EndCompatibilitySection,
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// 标记内容（容器）
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[PdfOperator("BMC")]
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[Description("Begin marked-content sequence")]
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BeginMarkedContent,
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[PdfOperator("BDC")]
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[Description("Begin marked-content sequence with property list")]
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BeginMarkedContentWithProps,
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[PdfOperator("EMC")]
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[Description("End marked-content sequence")]
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EndMarkedContent,
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// 标记内容（点）
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[PdfOperator("MP")]
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[Description("Define marked-content point")]
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DefineMarkedContentPoint,
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[PdfOperator("DP")]
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[Description("Define marked-content point with property list")]
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DefineMarkedContentPointWithProps,
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// 内联图像（容器）
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[PdfOperator("BI")]
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[Description("Begin inline image object")]
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BeginInlineImage,
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[PdfOperator("ID")]
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[Description("Begin inline image data")]
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BeginInlineImageData,
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[PdfOperator("EI")]
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[Description("End inline image object")]
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EndInlineImage,
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// 文本绘制
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[PdfOperator("Tj")]
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[Description("Show text")]
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ShowText,
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[PdfOperator("TJ")]
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[Description("Show text, allowing individual glyph positioning")]
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ShowTextWithSpacing,
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[PdfOperator("'")]
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[Description("Move to next line and show text")]
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NextLineShowText,
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[PdfOperator("\"")]
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[Description("Set word and character spacing, move to next line, and show text")]
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MoveToNextLineAndShowText,
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// 文本状态
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[PdfOperator("Tf")]
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[Description("Set text font and size")]
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SetFont,
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[PdfOperator("Tc")]
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[Description("Set character spacing")]
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SetCharSpacing,
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[PdfOperator("Tw")]
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[Description("Set word spacing")]
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SetWordSpacing,
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[PdfOperator("Tz")]
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[Description("Set horizontal text scaling")]
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SetHorizontalScaling,
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[PdfOperator("TL")]
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[Description("Set text leading")]
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SetTextLeading,
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[PdfOperator("Tr")]
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[Description("Set text rendering mode")]
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SetTextRenderMode,
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[PdfOperator("Ts")]
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[Description("Set text rise")]
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SetTextRise,
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[PdfOperator("Td")]
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[Description("Move text position")]
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MoveText,
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[PdfOperator("TD")]
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[Description("Move text position and set leading")]
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MoveTextSetLeading,
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[PdfOperator("Tm")]
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[Description("Set text matrix and text line matrix")]
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SetTextMatrix,
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[PdfOperator("T*")]
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[Description("Move to start of next text line")]
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NextLine,
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// Type 3 字形
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[PdfOperator("d0")]
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[Description("Set glyph width in Type 3 font")]
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SetGlyphWidthInType3Font,
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[PdfOperator("d1")]
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[Description("Set glyph width and bounding box in Type 3 font")]
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SetGlyphWidthAndBoundingBoxInType3Font,
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// 颜色（stroke / non-stroke）
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[PdfOperator("CS")]
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[Description("Set color space for stroking operations")]
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SetColorSpaceStroking,
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[PdfOperator("cs")]
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[Description("Set color space for non-stroking operations")]
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SetColorSpaceNonStroking,
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[PdfOperator("SC")]
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[Description("Set color for stroking operations")]
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SetColorStroking,
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[PdfOperator("sc")]
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[Description("Set color for non-stroking operations")]
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SetColorNonStroking,
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[PdfOperator("SCN")]
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[Description("Set color for stroking operations (ICCBased and special color spaces)")]
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SetColorPatternStroking,
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[PdfOperator("scn")]
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[Description("Set color for non-stroking operations (ICCBased and special color spaces)")]
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SetColorPatternNonStroking,
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[PdfOperator("G")]
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[Description("Set gray level for stroking operations")]
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SetGrayStroking,
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[PdfOperator("g")]
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[Description("Set gray level for non-stroking operations")]
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SetGrayNonStroking,
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[PdfOperator("RG")]
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[Description("Set RGB color for stroking operations")]
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SetRGBStroking,
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[PdfOperator("rg")]
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[Description("Set RGB color for non-stroking operations")]
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SetRGBNonStroking,
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[PdfOperator("K")]
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[Description("Set CMYK color for stroking operations")]
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SetCMYKStroking,
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[PdfOperator("k")]
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[Description("Set CMYK color for non-stroking operations")]
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SetCMYKNonStroking,
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// 路径构造
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[PdfOperator("m")]
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[Description("Begin new sub-path")]
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MoveTo,
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[PdfOperator("l")]
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[Description("Append straight line segment to path")]
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LineTo,
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[PdfOperator("c")]
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[Description("Append curved segment to path (three control points)")]
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CurveTo,
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[PdfOperator("v")]
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[Description("Append curved segment to path (initial point replicated)")]
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CurveToNoFirstControl,
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[PdfOperator("y")]
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[Description("Append curved segment to path (final point replicated)")]
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CurveToNoSecondControl,
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[PdfOperator("re")]
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[Description("Append rectangle to path")]
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Rectangle,
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[PdfOperator("h")]
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[Description("Close sub-path")]
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ClosePath,
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// 路径绘制（填充与描边）
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[PdfOperator("S")]
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[Description("Stroke path")]
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StrokePath,
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[PdfOperator("s")]
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[Description("Close and stroke path")]
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CloseAndStrokePath,
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[PdfOperator("f")]
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[Description("Fill path using non-zero winding number rule")]
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FillPathNonZero,
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[PdfOperator("F")]
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[Description("Fill path using non-zero winding number rule (deprecated in PDF 2.0)")]
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FillPathNonZeroDeprecated,
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[PdfOperator("f*")]
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[Description("Fill path using even-odd rule")]
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FillPathEvenOdd,
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[PdfOperator("B")]
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[Description("Fill and stroke path using non-zero winding number rule")]
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FillStrokePathNonZero,
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[PdfOperator("B*")]
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[Description("Fill and stroke path using even-odd rule")]
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FillStrokePathEvenOdd,
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[PdfOperator("b")]
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[Description("Close, fill, and stroke path using non-zero winding number rule")]
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CloseFillStrokePathNonZero,
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[PdfOperator("b*")]
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[Description("Close, fill, and stroke path using even-odd rule")]
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CloseFillStrokePathEvenOdd,
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[PdfOperator("n")]
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[Description("End path without filling or stroking")]
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EndPath,
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// 路径绘制（裁剪）
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[PdfOperator("W")]
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[Description("Set clipping path using non-zero winding number rule")]
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SetClipPath,
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[PdfOperator("W*")]
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[Description("Set clipping path using even-odd rule")]
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SetClipPathEvenOdd,
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// 图形状态
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[PdfOperator("w")]
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[Description("Set line width")]
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SetLineWidth,
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[PdfOperator("J")]
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[Description("Set line cap style")]
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SetLineCap,
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[PdfOperator("j")]
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[Description("Set line join style")]
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SetLineJoin,
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[PdfOperator("M")]
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[Description("Set miter limit")]
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SetMiterLimit,
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[PdfOperator("d")]
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[Description("Set line dash pattern")]
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SetDashPattern,
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[PdfOperator("ri")]
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[Description("Set color rendering intent")]
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SetRenderingIntent,
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[PdfOperator("i")]
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[Description("Set flatness tolerance")]
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SetFlatness,
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[PdfOperator("gs")]
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[Description("Set parameters from graphics state parameter dictionary")]
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SetGraphicsState,
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// 变换矩阵
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[PdfOperator("cm")]
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[Description("Concatenate matrix to current transformation matrix")]
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ConcatMatrix,
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// XObject / Shading
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[PdfOperator("Do")]
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[Description("Invoke named XObject")]
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PaintXObject,
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[PdfOperator("sh")]
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[Description("Paint area defined by shading pattern")]
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PaintShading,
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}
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