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| author | Raymond Lam | 2011-10-22 21:30:36 +0000 |
|---|---|---|
| committer | Felipe Heidrich | 2011-10-24 18:17:56 +0000 |
| commit | f4c41647aaa3faa2675335f7e68bd34a028ac49a (patch) | |
| tree | e4fe3aac179ef74ee8cc28a93f8490306e62b414 | |
| parent | c0ef669c9afa5a9ff8ccbbdaa0c41939cd22c383 (diff) | |
| download | eclipse.platform.swt-f4c41647aaa3faa2675335f7e68bd34a028ac49a.tar.gz eclipse.platform.swt-f4c41647aaa3faa2675335f7e68bd34a028ac49a.tar.xz eclipse.platform.swt-f4c41647aaa3faa2675335f7e68bd34a028ac49a.zip | |
Make sure that drawBackgroundBuffered gets a clean dc to draw in.
| -rw-r--r-- | bundles/org.eclipse.swt/Eclipse SWT/win32/org/eclipse/swt/widgets/Control.java | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/bundles/org.eclipse.swt/Eclipse SWT/win32/org/eclipse/swt/widgets/Control.java b/bundles/org.eclipse.swt/Eclipse SWT/win32/org/eclipse/swt/widgets/Control.java index cf5d4809ed..8268d5798b 100644 --- a/bundles/org.eclipse.swt/Eclipse SWT/win32/org/eclipse/swt/widgets/Control.java +++ b/bundles/org.eclipse.swt/Eclipse SWT/win32/org/eclipse/swt/widgets/Control.java @@ -958,8 +958,12 @@ void drawBackground (int /*long*/ hDC, RECT rect, int pixel, int tx, int ty) { } void drawBackgroundBuffered (int /*long*/ hDC, RECT rect) { + BP_PAINTPARAMS params = new BP_PAINTPARAMS(); + params.cbSize = BP_PAINTPARAMS.sizeof; + params.dwFlags = OS.BPPF_ERASE; + int /*long*/ [] hdcBuffered = new int /*long*/ [1]; - int /*long*/ hBufferedPaint = OS.BeginBufferedPaint(hDC, rect, OS.BPBF_TOPDOWNDIB, null, hdcBuffered); + int /*long*/ hBufferedPaint = OS.BeginBufferedPaint(hDC, rect, OS.BPBF_TOPDOWNDIB, params, hdcBuffered); OS.PatBlt(hdcBuffered[0], 0, 0, rect.right - rect.left, rect.bottom - rect.top, OS.BLACKNESS); OS.BufferedPaintSetAlpha(hBufferedPaint, rect, (byte)0x00); OS.EndBufferedPaint(hBufferedPaint, true); |