diff options
| author | Ashod Nakashian <ashod.nakashian@collabora.co.uk> | 2021-03-28 09:38:01 -0400 |
|---|---|---|
| committer | Andras Timar <andras.timar@collabora.com> | 2021-04-10 23:22:35 +0200 |
| commit | 2a44f2e9b4b139b6f5cc7b9a283cb11a5641a10d (patch) | |
| tree | f5994724362bd1a338349a806a38bdbe06b2ef18 /vcl | |
| parent | cdab3bec73a0a5137b8d102f5781f88231721db3 (diff) | |
vcl: allow for overriding the default PDF rendering resolution
Change-Id: Ibd75c6dd71d93322bd77995547e735c2d4849602
Signed-off-by: Ashod Nakashian <ashod.nakashian@collabora.co.uk>
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/113223
Tested-by: Jenkins
Reviewed-by: Andras Timar <andras.timar@collabora.com>
Diffstat (limited to 'vcl')
| -rw-r--r-- | vcl/source/filter/ipdf/pdfread.cxx | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/vcl/source/filter/ipdf/pdfread.cxx b/vcl/source/filter/ipdf/pdfread.cxx index 9cdb10070ef6..be9738a9f32f 100644 --- a/vcl/source/filter/ipdf/pdfread.cxx +++ b/vcl/source/filter/ipdf/pdfread.cxx @@ -116,10 +116,26 @@ BinaryDataContainer createBinaryDataContainer(SvStream& rStream) namespace vcl { +/// Get the default PDF rendering resolution in DPI. +static double getDefaultPdfResolutionDpi() +{ + // If an overriding default is set, use it. + const char* envar = ::getenv("PDFIMPORT_RESOLUTION_DPI"); + if (envar) + { + const double dpi = atof(envar); + if (dpi > 0) + return dpi; + } + + // Fallback to a sensible default. + return 96.; +} + size_t RenderPDFBitmaps(const void* pBuffer, int nSize, std::vector<BitmapEx>& rBitmaps, const size_t nFirstPage, int nPages, const basegfx::B2DTuple* pSizeHint) { - const double fResolutionDPI = 96; + static const double fResolutionDPI = getDefaultPdfResolutionDpi(); auto pPdfium = vcl::pdf::PDFiumLibrary::get(); if (!pPdfium) { |