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Fix chords in {textblock} environment
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Chord Provider/PDFBuild/Core/Elements/PDFBuild+TextblockSection.swift
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Chord Provider/PDFBuild/SongElements/PDFBuild+TextblockSection.swift
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,78 @@ | ||
| // | ||
| // PDFBuild+TextblockSection.swift | ||
| // Chord Provider | ||
| // | ||
| // © 2025 Nick Berendsen | ||
| // | ||
|
|
||
| import AppKit | ||
|
|
||
| extension PDFBuild { | ||
|
|
||
| // MARK: A PDF **textblock section** element | ||
|
|
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| /// A PDF **textblock section** element | ||
| class TextblockSection: PDFElement { | ||
|
|
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| /// The section with textblock | ||
| let section: Song.Section | ||
| /// All the chords of the song | ||
| let chords: [ChordDefinition] | ||
|
|
||
| /// Init the **textblock section** element | ||
| /// - Parameters: | ||
| /// - section: The section with textblock | ||
| /// - chords: All the chords of the song | ||
| init(_ section: Song.Section, chords: [ChordDefinition]) { | ||
| self.section = section | ||
| self.chords = chords | ||
| } | ||
|
|
||
| /// Draw the **textblock section** element | ||
| /// - Parameters: | ||
| /// - rect: The available rectangle | ||
| /// - calculationOnly: Bool if only the Bounding Rect should be calculated | ||
| /// - pageRect: The page size of the PDF document | ||
| func draw(rect: inout CGRect, calculationOnly: Bool, pageRect: CGRect) { | ||
| for line in section.lines { | ||
| if let parts = line.parts { | ||
| let text = NSMutableAttributedString() | ||
| for part in parts { | ||
| if let chord = chords.first(where: { $0.id == part.chord }) { | ||
| text.append( | ||
| NSAttributedString( | ||
| /// Add a space behind the chord-name so two chords will never 'stick' together | ||
| string: "\(chord.display)", | ||
| attributes: .partChord(chord.status) | ||
| ) | ||
| ) | ||
| } | ||
| text.append(NSAttributedString( | ||
| string: "\(part.text)", | ||
| attributes: .textblockLine) | ||
| ) | ||
| } | ||
| let textBounds = text.boundingRect(with: rect.size, options: .usesLineFragmentOrigin) | ||
| if !calculationOnly { | ||
| text.draw(with: rect, options: textDrawingOptions, context: nil) | ||
| } | ||
| let height = textBounds.height + 2 * textPadding | ||
| rect.origin.y += height | ||
| rect.size.height -= height | ||
| } | ||
| } | ||
| } | ||
| } | ||
| } | ||
|
|
||
| extension PDFStringAttribute { | ||
|
|
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| // MARK: Textblock string styling | ||
|
|
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| /// String attributes for a textblock line | ||
| static var textblockLine: PDFStringAttribute { | ||
| [ | ||
| .foregroundColor: NSColor.gray | ||
| ] | ||
| } | ||
| } |
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