[PATCH 4/5] dwrite: Implement GetTextBeforePosition() for layout analysis source
Nikolay Sivov
nsivov at codeweavers.com
Mon Feb 1 05:59:13 CST 2016
Signed-off-by: Nikolay Sivov <nsivov at codeweavers.com>
---
dlls/dwrite/layout.c | 16 ++++++++++++++--
1 file changed, 14 insertions(+), 2 deletions(-)
diff --git a/dlls/dwrite/layout.c b/dlls/dwrite/layout.c
index 8847c97..86eab09 100644
--- a/dlls/dwrite/layout.c
+++ b/dlls/dwrite/layout.c
@@ -4130,8 +4130,20 @@ static HRESULT WINAPI dwritetextlayout_source_GetTextAtPosition(IDWriteTextAnaly
static HRESULT WINAPI dwritetextlayout_source_GetTextBeforePosition(IDWriteTextAnalysisSource1 *iface,
UINT32 position, WCHAR const** text, UINT32* text_len)
{
- FIXME("%u %p %p: stub\n", position, text, text_len);
- return E_NOTIMPL;
+ struct dwrite_textlayout *layout = impl_from_IDWriteTextAnalysisSource1(iface);
+
+ TRACE("(%p)->(%u %p %p)\n", layout, position, text, text_len);
+
+ if (position > 0 && position < layout->len) {
+ *text = layout->str;
+ *text_len = position;
+ }
+ else {
+ *text = NULL;
+ *text_len = 0;
+ }
+
+ return S_OK;
}
static DWRITE_READING_DIRECTION WINAPI dwritetextlayout_source_GetParagraphReadingDirection(IDWriteTextAnalysisSource1 *iface)
--
2.7.0
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