Module: wine Branch: master Commit: 21fc1f37e76eaced9228eaf62a45489a2bf8ac11 URL: https://source.winehq.org/git/wine.git/?a=commit;h=21fc1f37e76eaced9228eaf62...
Author: Sven Baars sbaars@codeweavers.com Date: Thu Feb 27 13:01:41 2020 +0100
d3dx9: Implement ID3DXFont_PreloadCharacters.
Based on a patch by Tony Wasserka.
Signed-off-by: Sven Baars sbaars@codeweavers.com Signed-off-by: Matteo Bruni mbruni@codeweavers.com Signed-off-by: Alexandre Julliard julliard@winehq.org
---
dlls/d3dx9_36/font.c | 46 ++++++++++++++++++++++++++++++++++++++++++++-- 1 file changed, 44 insertions(+), 2 deletions(-)
diff --git a/dlls/d3dx9_36/font.c b/dlls/d3dx9_36/font.c index af743310d1..9196295637 100644 --- a/dlls/d3dx9_36/font.c +++ b/dlls/d3dx9_36/font.c @@ -220,8 +220,50 @@ static HRESULT WINAPI ID3DXFontImpl_GetGlyphData(ID3DXFont *iface, UINT glyph,
static HRESULT WINAPI ID3DXFontImpl_PreloadCharacters(ID3DXFont *iface, UINT first, UINT last) { - FIXME("iface %p, first %u, last %u stub!\n", iface, first, last); - return S_OK; + struct d3dx_font *font = impl_from_ID3DXFont(iface); + unsigned int i, count, start, end; + WORD *indices; + WCHAR *chars; + + TRACE("iface %p, first %u, last %u.\n", iface, first, last); + + if (last < first) + return D3D_OK; + + count = last - first + 1; + indices = heap_alloc(count * sizeof(*indices)); + if (!indices) + return E_OUTOFMEMORY; + + chars = heap_alloc(count * sizeof(*chars)); + if (!chars) + { + heap_free(indices); + return E_OUTOFMEMORY; + } + + for (i = 0; i < count; ++i) + chars[i] = first + i; + + GetGlyphIndicesW(font->hdc, chars, count, indices, 0); + + start = end = indices[0]; + for (i = 1; i < count; ++i) + { + if (indices[i] == end + 1) + { + end = indices[i]; + continue; + } + ID3DXFont_PreloadGlyphs(iface, start, end); + start = end = indices[i]; + } + ID3DXFont_PreloadGlyphs(iface, start, end); + + heap_free(chars); + heap_free(indices); + + return D3D_OK; }
static uint32_t morton_decode(uint32_t x)