dwrite: Invalidate layout on box changes.

Signed-off-by: Nikolay Sivov <nsivov@codeweavers.com> Signed-off-by: Alexandre Julliard <julliard@winehq.org>

dwrite: Invalidate layout on box changes.
3871981e · Nikolay Sivov · Alexandre Julliard · e9ff71f6 · 3871981e
Commit 3871981e authored Jan 26, 2017 by Nikolay Sivov Committed by Alexandre Julliard Jan 26, 2017
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layout.c dlls/dwrite/layout.c +10 -0

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--- a/dlls/dwrite/layout.c
+++ b/dlls/dwrite/layout.c
@@ -2833,26 +2833,36 @@ static HRESULT WINAPI dwritetextlayout_GetLocaleName(IDWriteTextLayout3 *iface, 
 static HRESULT WINAPI dwritetextlayout_SetMaxWidth(IDWriteTextLayout3 *iface, FLOAT maxWidth)
 {
    struct dwrite_textlayout *This = impl_from_IDWriteTextLayout3(iface);
+    BOOL changed;

    TRACE("(%p)->(%.2f)\n", This, maxWidth);

    if (maxWidth < 0.0f)
        return E_INVALIDARG;

+    changed = This->metrics.layoutWidth != maxWidth;
    This->metrics.layoutWidth = maxWidth;
+
+    if (changed)
+        This->recompute |= RECOMPUTE_LINES;
    return S_OK;
 }

 static HRESULT WINAPI dwritetextlayout_SetMaxHeight(IDWriteTextLayout3 *iface, FLOAT maxHeight)
 {
    struct dwrite_textlayout *This = impl_from_IDWriteTextLayout3(iface);
+    BOOL changed;

    TRACE("(%p)->(%.2f)\n", This, maxHeight);

    if (maxHeight < 0.0f)
        return E_INVALIDARG;

+    changed = This->metrics.layoutHeight != maxHeight;
    This->metrics.layoutHeight = maxHeight;
+
+    if (changed)
+        This->recompute |= RECOMPUTE_LINES;
    return S_OK;
 }