From: Stefan Csomor <csomor@advancedconcepts.ch>
Date: Tue, 31 Oct 2006 10:30:42 +0000 (+0000)
Subject: correct meaning of logical origin
X-Git-Url: https://git.saurik.com/wxWidgets.git/commitdiff_plain/2986407b5416ec85c0a9928d26e4ef84dfb1d75d

correct meaning of logical origin


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@42827 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
---

diff --git a/src/common/dcgraph.cpp b/src/common/dcgraph.cpp
index 5b173d0aa4..c0bcd97b1a 100644
--- a/src/common/dcgraph.cpp
+++ b/src/common/dcgraph.cpp
@@ -301,7 +301,8 @@ void wxGCDC::ComputeScaleAndOrigin()
     m_matrixCurrent = m_graphicContext->CreateMatrix();
     m_matrixCurrent.Translate( m_deviceOriginX, m_deviceOriginY );
     m_matrixCurrent.Scale( m_scaleX, m_scaleY );
-    m_matrixCurrent.Translate( m_logicalOriginX, m_logicalOriginY );
+    // the logical origin sets the origin to have new coordinates
+    m_matrixCurrent.Translate( -m_logicalOriginX, -m_logicalOriginY );
 
     m_graphicContext->SetTransform( m_matrixOriginal );
     m_graphicContext->ConcatTransform( m_matrixCurrent );