diff options
| author | Ashod Nakashian <ashod.nakashian@collabora.co.uk> | 2021-03-28 09:38:01 -0400 |
|---|---|---|
| committer | Jan Holesovsky <kendy@collabora.com> | 2021-03-31 10:59:11 +0200 |
| commit | 860ea6c6693608165cfde42656d6c48c3bde91eb (patch) | |
| tree | 1d6a7ca16b7372640adb433eac8395d7a5fb9b79 | |
| parent | 9180416ee296acad5bcd482569c6c53ecfff5b20 (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/+/113255
Tested-by: Jenkins CollaboraOffice <jenkinscollaboraoffice@gmail.com>
Reviewed-by: Jan Holesovsky <kendy@collabora.com>
| -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 2fb7a11bb681..e4af2a0e865b 100644 --- a/vcl/source/filter/ipdf/pdfread.cxx +++ b/vcl/source/filter/ipdf/pdfread.cxx @@ -146,11 +146,27 @@ VectorGraphicDataArray createVectorGraphicDataArray(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<Bitmap>& rBitmaps, const size_t nFirstPage, int nPages, const basegfx::B2DTuple* pSizeHint) { #if HAVE_FEATURE_PDFIUM - const double fResolutionDPI = 96; + static const double fResolutionDPI = getDefaultPdfResolutionDpi(); auto pPdfium = vcl::pdf::PDFiumLibrary::get(); // Load the buffer using pdfium. |