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fix(chromium): fit the page to content for landscape single-page (#1390)

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This commit is contained in:
Julien Neuhart
2026-08-13 14:14:48 +02:00
parent 8d1eeaa73a
commit b213f2ffed
4 changed files with 86 additions and 11 deletions
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20
pkg/modules/chromium/tasks.go
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@@ -55,6 +55,7 @@ func printToPdfActionFunc(reqCtx context.Context, logger *slog.Logger, outputPat
defer span.End()
err := func() error {
paperWidth := options.PaperWidth
paperHeight := options.PaperHeight
pageRanges := options.PageRanges
@@ -68,9 +69,20 @@ func printToPdfActionFunc(reqCtx context.Context, logger *slog.Logger, outputPat
// There are 96 CSS pixels per inch.
// See https://issues.chromium.org/issues/40267771#comment14.
// We add top and bottom margins so that the content area
// is large enough to fit the entire content.
paperHeight = (cssContentSize.Height / 96) + options.MarginTop + options.MarginBottom
if options.Landscape {
// Landscape swaps the paper dimensions, so the page is
// WithPaperHeight wide by WithPaperWidth tall. Size both to
// the content so the width expands to fit a wide document
// (e.g. a table) instead of the height-only expansion
// landing on the width axis and truncating it.
// See https://github.com/gotenberg/gotenberg/issues/1390.
paperWidth = (cssContentSize.Height / 96) + options.MarginTop + options.MarginBottom
paperHeight = (cssContentSize.Width / 96) + options.MarginLeft + options.MarginRight
} else {
// We add top and bottom margins so that the content area
// is large enough to fit the entire content.
paperHeight = (cssContentSize.Height / 96) + options.MarginTop + options.MarginBottom
}
pageRanges = "1" // little dirty hack to avoid leftovers.
}
@@ -79,7 +91,7 @@ func printToPdfActionFunc(reqCtx context.Context, logger *slog.Logger, outputPat
WithLandscape(options.Landscape).
WithPrintBackground(options.PrintBackground).
WithScale(options.Scale).
WithPaperWidth(options.PaperWidth).
WithPaperWidth(paperWidth).
WithPaperHeight(paperHeight).
WithMarginTop(options.MarginTop).
WithMarginBottom(options.MarginBottom).