commit d37d6070dd5300d249940d7f8d960ff6d4d9a036
author Armin Le Grand <Armin.Le.Grand@me.com> Fri Jan 11 17:59:59 2019 +0100
committer Caolán McNamara <caolanm@redhat.com> Mon Jan 14 10:27:05 2019 +0100
tree 094421be6af6b63807a96623f7bf79f859fcbfe3
parent 52af98a739daccbd29f9c6626e81203454de742a

tdf#122384 Added isPrinter support to WinSalGraphicsImpl::drawPolyLine

As already guessed but not been sure (see 'One more hint'
in WinSalGraphicsImpl::drawPolyPolygon) the strange WinGDI
transform is also needed when printing for WinSalGraphicsImpl::
drawPolyLine.

Change-Id: I39f89eac0c17e524949221306723a355c6e94a17
Reviewed-on: https://gerrit.libreoffice.org/66190
Tested-by: Jenkins
Reviewed-by: Armin Le Grand <Armin.Le.Grand@cib.de>
(cherry picked from commit 6e3c4ae8bca898700cde9caaff43c3a8a61eebc2)
Reviewed-on: https://gerrit.libreoffice.org/66270
Reviewed-by: Thorsten Behrens <Thorsten.Behrens@CIB.de>
(cherry picked from commit 5af161ebbe2a0183c1302099c995548d82965fa9)
Reviewed-on: https://gerrit.libreoffice.org/66271
Reviewed-by: Caolán McNamara <caolanm@redhat.com>
Tested-by: Caolán McNamara <caolanm@redhat.com>

vcl/win/gdi/gdiimpl.cxx

diff --git a/vcl/win/gdi/gdiimpl.cxx b/vcl/win/gdi/gdiimpl.cxx
index fa6dccb..10aad77 100644
--- a/vcl/win/gdi/gdiimpl.cxx
+++ b/vcl/win/gdi/gdiimpl.cxx
@@ -2310,6 +2310,21 @@ bool WinSalGraphicsImpl::drawPolyLine(
        aGraphics.SetSmoothingMode(Gdiplus::SmoothingModeNone);
    }

    if(mrParent.isPrinter())
    {
        // tdf#122384 As metioned above in WinSalGraphicsImpl::drawPolyPolygon
        // (look for 'One more hint: This *may* also be needed now in'...).
        // See comments in same spot above *uregntly* before doing changes here,
        // these comments are *still fully valid* at this place (!)
        const Gdiplus::REAL aDpiX(aGraphics.GetDpiX());
        const Gdiplus::REAL aDpiY(aGraphics.GetDpiY());

        aGraphics.ScaleTransform(
            Gdiplus::REAL(100.0) / aDpiX,
            Gdiplus::REAL(100.0) / aDpiY,
            Gdiplus::MatrixOrderAppend);
    }

    aGraphics.DrawPath(
        &aPen,
        &(*pGraphicsPath));