another fix for showHeaderOnEveryPage

Source/Internal/Table/PDFTableObject.swift

@@ -284,6 +284,7 @@ internal class PDFTableObject: PDFRenderObject {
         let startPosition: CGPoint = cells.first?.frames.cell.origin ?? .zero
         var nextPageCells: [PDFTableCalculatedCell] = cells
         var pageEnd = CGPoint.null
+        var headerShift = true
 
         repeat {
             var pageStart = CGPoint.null
@@ -296,7 +297,9 @@ internal class PDFTableObject: PDFRenderObject {
                     var cellFrame = item.frames.cell
                     var contentFrame = item.frames.content
                     cellFrame.origin.y -= startPosition.y - minOffset
+                    cellFrame.origin.y += table.margin
                     contentFrame.origin.y -= startPosition.y - minOffset
+                    contentFrame.origin.y += table.margin
 
                     pageStart = pageStart == .null ? cellFrame.origin : pageStart
                     pageEnd = CGPoint(x: cellFrame.maxX, y: cellFrame.maxY) + CGPoint(x: table.margin, y: table.margin)
@@ -329,6 +332,15 @@ internal class PDFTableObject: PDFRenderObject {
                 }
                 minOffset +=  headerHeight
             }
+            if !firstPage {
+                // shift the rest of the cells down by headerHeight
+                if headerShift {
+                    nextPageCells = shiftCellsBy(cells: nextPageCells, shiftValue: headerHeight)
+                    headerShift = false
+                }
+                //add table padding around cells
+                nextPageCells = shiftCellsBy(cells: nextPageCells, shiftValue: table.padding)
+            }
 
             let filterResult = filterCellsOnPage(for: generator,
                                                  items: nextPageCells,
@@ -432,7 +444,6 @@ internal class PDFTableObject: PDFRenderObject {
                 if shouldSplitCellsOnPageBreak && cellFrame.minY < maxOffset {
                     result.cells.append(item)
                 }
-                // In any case, if the cell does not fit on the active page entirely, it must be repositioned for further pages
                 var nextPageCell = item
                 if shouldSplitCellsOnPageBreak {
                     nextPageCell.frames.cell.origin.y -= contentHeight
@@ -450,7 +461,22 @@ internal class PDFTableObject: PDFRenderObject {
         }
         return result
     }
-
+
+    internal typealias ShiftedCells = ([PDFTableCalculatedCell])
+
+    internal func shiftCellsBy(cells: [PDFTableCalculatedCell], shiftValue: CGFloat) -> ShiftedCells {
+        var shiftedCells: [PDFTableCalculatedCell] = []
+
+        for cell in cells {
+            var shiftedCell = cell
+
+            shiftedCell.frames.cell.origin.y += shiftValue
+            shiftedCell.frames.content.origin.y += shiftValue
+            shiftedCells.append(shiftedCell)
+        }
+        return shiftedCells
+    }
+
     internal func createSliceObject(frame: CGRect, elements: [PDFRenderObject], minOffset: CGFloat, maxOffset: CGFloat) -> PDFSlicedObject {
         let sliceObject = PDFSlicedObject(children: elements, frame: frame)
         if frame.maxY > maxOffset {

Source/Internal/Utils/PDFCalculations.swift

@@ -144,17 +144,21 @@ internal enum PDFCalculations {
             return pageLayout.height
                 - layout.margin.top
                 - layout.heights.maxHeaderHeight()
+                - pageLayout.space.header
                 - layout.heights.content
                 - generator.currentPadding.bottom
+                - pageLayout.space.footer
                 - layout.heights.maxFooterHeight()
                 - layout.margin.bottom
         }
     }
 
     internal static func calculateTopMinimum(for generator: PDFGenerator) -> CGFloat {
         let layout = generator.layout
+        let pageLayout = generator.document.layout
         return layout.margin.top
             + layout.heights.maxHeaderHeight()
+            + pageLayout.space.header
     }
 
     /// Calculates the maximum offset from the top edge when the main content should break to the next page