[PATCH 4/4] dwrite: Always use system font collection to create fallback fonts
Nikolay Sivov
nsivov at codeweavers.com
Mon Feb 15 15:59:27 CST 2016
Signed-off-by: Nikolay Sivov <nsivov at codeweavers.com>
---
dlls/dwrite/analyzer.c | 41 +++++++++++++++++++----------------------
dlls/dwrite/tests/layout.c | 1 -
2 files changed, 19 insertions(+), 23 deletions(-)
diff --git a/dlls/dwrite/analyzer.c b/dlls/dwrite/analyzer.c
index 30f54d7..891ace4 100644
--- a/dlls/dwrite/analyzer.c
+++ b/dlls/dwrite/analyzer.c
@@ -199,6 +199,7 @@ static const struct fallback_mapping fontfallback_neutral_data[] = {
struct dwrite_fontfallback {
IDWriteFontFallback IDWriteFontFallback_iface;
IDWriteFactory2 *factory;
+ IDWriteFontCollection *systemcollection;
const struct fallback_mapping *mappings;
UINT32 count;
};
@@ -1810,8 +1811,7 @@ static HRESULT fallback_map_characters(IDWriteFont *font, const WCHAR *text, UIN
}
static HRESULT fallback_get_fallback_font(struct dwrite_fontfallback *fallback, const WCHAR *text, UINT32 length,
- IDWriteFontCollection *collection, DWRITE_FONT_WEIGHT weight, DWRITE_FONT_STYLE style, DWRITE_FONT_STRETCH stretch,
- UINT32 *mapped_length, IDWriteFont **mapped_font)
+ DWRITE_FONT_WEIGHT weight, DWRITE_FONT_STYLE style, DWRITE_FONT_STRETCH stretch, UINT32 *mapped_length, IDWriteFont **mapped_font)
{
const struct fallback_mapping *mapping;
HRESULT hr;
@@ -1823,7 +1823,7 @@ static HRESULT fallback_get_fallback_font(struct dwrite_fontfallback *fallback,
}
/* now let's see what fallback can handle */
- hr = create_matching_font(collection, mapping->family, weight, style, stretch, mapped_font);
+ hr = create_matching_font(fallback->systemcollection, mapping->family, weight, style, stretch, mapped_font);
if (FAILED(hr)) {
WARN("failed to create fallback font %s for range [0x%x,0x%x], 0x%08x\n", debugstr_w(mapping->family),
mapping->range.first, mapping->range.last, hr);
@@ -1865,21 +1865,14 @@ static HRESULT WINAPI fontfallback_MapCharacters(IDWriteFontFallback *iface, IDW
if (length == 0)
return S_OK;
- if (!basecollection) {
- hr = IDWriteFactory2_GetSystemFontCollection(fallback->factory, &basecollection, FALSE);
- if (FAILED(hr))
- return hr;
- }
- else
- IDWriteFontCollection_AddRef(basecollection);
+ if (!basecollection)
+ basecollection = fallback->systemcollection;
hr = get_text_source_ptr(source, position, length, &text, &buff);
if (FAILED(hr))
goto done;
if (basefamily && *basefamily) {
- IDWriteFont *mapped_font;
-
hr = create_matching_font(basecollection, basefamily, weight, style, stretch, ret_font);
if (FAILED(hr))
goto done;
@@ -1887,25 +1880,27 @@ static HRESULT WINAPI fontfallback_MapCharacters(IDWriteFontFallback *iface, IDW
hr = fallback_map_characters(*ret_font, text, length, mapped_length);
if (FAILED(hr))
goto done;
+ }
- if (!*mapped_length) {
- hr = fallback_get_fallback_font(fallback, text, length, basecollection, weight, style, stretch, mapped_length, &mapped_font);
- if (FAILED(hr)) {
+ if (!*mapped_length) {
+ IDWriteFont *mapped_font;
+
+ hr = fallback_get_fallback_font(fallback, text, length, weight, style, stretch, mapped_length, &mapped_font);
+ if (FAILED(hr)) {
+ /* fallback wasn't found, keep base font if any, so we can get at least some visual output */
+ if (*ret_font) {
*mapped_length = length;
hr = S_OK;
- goto done;
}
- else {
+ }
+ else {
+ if (*ret_font)
IDWriteFont_Release(*ret_font);
- *ret_font = mapped_font;
- }
+ *ret_font = mapped_font;
}
}
- else
- hr = fallback_get_fallback_font(fallback, text, length, basecollection, weight, style, stretch, mapped_length, ret_font);
done:
- IDWriteFontCollection_Release(basecollection);
heap_free(buff);
return hr;
}
@@ -1931,6 +1926,7 @@ HRESULT create_system_fontfallback(IDWriteFactory2 *factory, IDWriteFontFallback
fallback->factory = factory;
fallback->mappings = fontfallback_neutral_data;
fallback->count = sizeof(fontfallback_neutral_data)/sizeof(fontfallback_neutral_data[0]);
+ IDWriteFactory2_GetSystemFontCollection(fallback->factory, &fallback->systemcollection, FALSE);
*ret = &fallback->IDWriteFontFallback_iface;
return S_OK;
@@ -1939,5 +1935,6 @@ HRESULT create_system_fontfallback(IDWriteFactory2 *factory, IDWriteFontFallback
void release_system_fontfallback(IDWriteFontFallback *iface)
{
struct dwrite_fontfallback *fallback = impl_from_IDWriteFontFallback(iface);
+ IDWriteFontCollection_Release(fallback->systemcollection);
heap_free(fallback);
}
diff --git a/dlls/dwrite/tests/layout.c b/dlls/dwrite/tests/layout.c
index b3e0df0..0fe9151 100644
--- a/dlls/dwrite/tests/layout.c
+++ b/dlls/dwrite/tests/layout.c
@@ -4200,7 +4200,6 @@ static HRESULT WINAPI fontcollection_FindFamilyName(IDWriteFontCollection *iface
*exists = TRUE;
return S_OK;
}
-todo_wine
ok(0, "unexpected call, name %s\n", wine_dbgstr_w(name));
return E_NOTIMPL;
}
--
2.7.0
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