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authorNicolas Pena <npm@chromium.org>2017-06-29 12:02:06 -0400
committerChromium commit bot <commit-bot@chromium.org>2017-06-29 20:50:09 +0000
commitb21f174ad87e46c823c2ef8c11682167e2d12864 (patch)
tree79c3661672cbd2f84ee835f9922231bb90a634b3 /fpdfsdk/pdfwindow/cpwl_wnd.cpp
parent8ce58f522e046ae3b1561d592ca7b3cd7c894731 (diff)
downloadpdfium-b21f174ad87e46c823c2ef8c11682167e2d12864.tar.xz
Change SetReverse to GetInverse in CFX_Matrix
CFX_Matrix::GetInverse is much clearer. Change-Id: Id10ab1723735332e1a78de853f28415ec3a4d834 Reviewed-on: https://pdfium-review.googlesource.com/7090 Reviewed-by: Lei Zhang <thestig@chromium.org> Commit-Queue: Nicolás Peña <npm@chromium.org>
Diffstat (limited to 'fpdfsdk/pdfwindow/cpwl_wnd.cpp')
-rw-r--r--fpdfsdk/pdfwindow/cpwl_wnd.cpp8
1 files changed, 6 insertions, 2 deletions
diff --git a/fpdfsdk/pdfwindow/cpwl_wnd.cpp b/fpdfsdk/pdfwindow/cpwl_wnd.cpp
index a8b5c31254..85a610eea5 100644
--- a/fpdfsdk/pdfwindow/cpwl_wnd.cpp
+++ b/fpdfsdk/pdfwindow/cpwl_wnd.cpp
@@ -765,7 +765,9 @@ CFX_PointF CPWL_Wnd::ParentToChild(const CFX_PointF& point) const {
if (mt.IsIdentity())
return point;
- mt.SetReverse(mt);
+ CFX_Matrix inverse = mt.GetInverse();
+ if (!inverse.IsIdentity())
+ mt = inverse;
return mt.Transform(point);
}
@@ -774,7 +776,9 @@ CFX_FloatRect CPWL_Wnd::ParentToChild(const CFX_FloatRect& rect) const {
if (mt.IsIdentity())
return rect;
- mt.SetReverse(mt);
+ CFX_Matrix inverse = mt.GetInverse();
+ if (!inverse.IsIdentity())
+ mt = inverse;
CFX_FloatRect rc = rect;
mt.TransformRect(rc);
return rc;