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@@ -151,7 +151,7 @@ class KMPrintWindowController: NSWindowController, NetServiceBrowserDelegate {
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document = PDFDocument(url: URL(fileURLWithPath: filePath))!
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}
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} else if inputDocument is PDFDocument {
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- document = inputDocument as! PDFDocument
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+ document = inputDocument as? PDFDocument
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}
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}
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@@ -166,8 +166,8 @@ class KMPrintWindowController: NSWindowController, NetServiceBrowserDelegate {
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let printPresent = KMPrintPresenter()
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let filePath = KMPrintPresenter.fetchSaveFilePath("")
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- let paperSize = (document?.page(at: 0)?.bounds(for: .cropBox).size)
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- let context: CGContext = printPresent.createContext(filePath, paperSize!)
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+ let paperSize = (document?.page(at: 0)?.bounds(for: .cropBox).size) ?? CGSizeZero
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+ let context: CGContext = printPresent.createContext(filePath, paperSize)
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var pages: [PDFPage] = []
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for index in inputPageRange.selectPages {
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let page = document?.page(at: index)
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@@ -178,7 +178,40 @@ class KMPrintWindowController: NSWindowController, NetServiceBrowserDelegate {
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for drawPage in pages {
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context.beginPDFPage(nil)
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+
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+ context.saveGState()
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+
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+ var pageSize = drawPage.bounds(for: .cropBox).size
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+
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+ if (drawPage.rotation == 90 || drawPage.rotation == 270) {
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+ let height = pageSize.height
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+ pageSize.height = pageSize.width
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+ pageSize.width = height
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+ }
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+
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+ // 检查要自适应的大小是否大于参考矩形的大小
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+ let maxWidth = paperSize.width
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+ let maxHeight = paperSize.height
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+ var scaledSize = pageSize
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+
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+ var ratio = 1.0
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+ if pageSize.width > maxWidth || pageSize.height > maxHeight {
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+ let widthRatio = maxWidth / pageSize.width
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+ let heightRatio = maxHeight / pageSize.height
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+ ratio = min(widthRatio, heightRatio)
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+ scaledSize = CGSize(width: pageSize.width * ratio, height: pageSize.height * ratio)
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+ }
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+
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+ // 计算自适应后的矩形大小和位置
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+ let scaledWidth = scaledSize.width
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+ let scaledHeight = scaledSize.height
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+ let scaledRect = CGRect(x: (paperSize.width - scaledWidth) / 2, y: (paperSize.height - scaledHeight) / 2, width: scaledWidth, height: scaledHeight)
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+
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+ context.translateBy(x: scaledRect.origin.x, y: scaledRect.origin.y)
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+ context.scaleBy(x: ratio, y: ratio)
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+
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drawPage.draw(with: .cropBox, to: context)
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+ context.restoreGState()
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context.endPDFPage()
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}
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context.closePDF()
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