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author | Niraj Modi | 2019-02-04 14:44:31 +0000 |
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committer | Niraj Modi | 2019-02-04 17:01:00 +0000 |
commit | 796a41a7ac80115a4a90c80b42d2989134aed2ef (patch) | |
tree | 7a046ed4e4deaf9b17c61d7e8813825d59f6daa4 /bundles | |
parent | 4e982f236b057723c4407d1d433bce7d38b87e28 (diff) | |
download | eclipse.platform.swt-796a41a7ac80115a4a90c80b42d2989134aed2ef.tar.gz eclipse.platform.swt-796a41a7ac80115a4a90c80b42d2989134aed2ef.tar.xz eclipse.platform.swt-796a41a7ac80115a4a90c80b42d2989134aed2ef.zip |
Bug 139791 - [Win32] GC.fillPolygon paints at wrong coordinates when
GDI+ is used
Change-Id: I9a0e965dd43d6325e759ddeefa2ea4274a43caba
Signed-off-by: Niraj Modi <niraj.modi@in.ibm.com>
Diffstat (limited to 'bundles')
-rw-r--r-- | bundles/org.eclipse.swt/Eclipse SWT/win32/org/eclipse/swt/graphics/GC.java | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/bundles/org.eclipse.swt/Eclipse SWT/win32/org/eclipse/swt/graphics/GC.java b/bundles/org.eclipse.swt/Eclipse SWT/win32/org/eclipse/swt/graphics/GC.java index 089f7b36de..0f4a9f460e 100644 --- a/bundles/org.eclipse.swt/Eclipse SWT/win32/org/eclipse/swt/graphics/GC.java +++ b/bundles/org.eclipse.swt/Eclipse SWT/win32/org/eclipse/swt/graphics/GC.java @@ -1,5 +1,5 @@ /******************************************************************************* - * Copyright (c) 2000, 2018 IBM Corporation and others. + * Copyright (c) 2000, 2019 IBM Corporation and others. * * This program and the accompanying materials * are made available under the terms of the Eclipse Public License 2.0 @@ -2919,7 +2919,15 @@ void fillPolygonInPixels (int[] pointArray) { checkGC(FILL); if (data.gdipGraphics != 0) { int mode = OS.GetPolyFillMode(handle) == OS.WINDING ? Gdip.FillModeWinding : Gdip.FillModeAlternate; + /* + * GC.fillPolygon method paints at wrong coordinates when GDI+ is used, the + * difference is marginal, hence applying the transformation with additional + * 0.5f pixel correction to avoid the issue seen in bug 139791 + */ + float offsetCorrection = 0.5f; + Gdip.Graphics_TranslateTransform(data.gdipGraphics, data.gdipXOffset + offsetCorrection, data.gdipYOffset + offsetCorrection, Gdip.MatrixOrderPrepend); Gdip.Graphics_FillPolygon(data.gdipGraphics, data.gdipBrush, pointArray, pointArray.length / 2, mode); + Gdip.Graphics_TranslateTransform(data.gdipGraphics, -(data.gdipXOffset + offsetCorrection), -(data.gdipYOffset + offsetCorrection), Gdip.MatrixOrderPrepend); return; } if ((data.style & SWT.MIRRORED) != 0) { @@ -2933,6 +2941,7 @@ void fillPolygonInPixels (int[] pointArray) { pointArray[i]++; } } + } /** |