vcl/source/filter/ipdf/pdfread.cxx | 18 +++++++++++++++++-
1 file changed, 17 insertions(+), 1 deletion(-)
New commits:
commit fc793fef7b81f47aab80fd6f1f128780a7a22aa5
Author: Ashod Nakashian <ashod.nakash...@collabora.co.uk>
AuthorDate: Sun Mar 28 09:38:01 2021 -0400
Commit: Andras Timar <andras.ti...@collabora.com>
CommitDate: Sat Apr 10 00:05:24 2021 +0200
vcl: allow for overriding the default PDF rendering resolution
Change-Id: Ibd75c6dd71d93322bd77995547e735c2d4849602
Signed-off-by: Ashod Nakashian <ashod.nakash...@collabora.co.uk>
diff --git a/vcl/source/filter/ipdf/pdfread.cxx
b/vcl/source/filter/ipdf/pdfread.cxx
index 80f207a68196..715333b2d561 100644
--- a/vcl/source/filter/ipdf/pdfread.cxx
+++ b/vcl/source/filter/ipdf/pdfread.cxx
@@ -132,11 +132,27 @@ 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<BitmapEx>&
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.
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