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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>
This commit is contained in:
Sven Baars 2020-02-27 13:01:41 +01:00 committed by Alexandre Julliard
parent e9ea8a05e5
commit 21fc1f37e7
1 changed files with 44 additions and 2 deletions
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46
dlls/d3dx9_36/font.c
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@ -220,8 +220,50 @@ static HRESULT WINAPI ID3DXFontImpl_GetGlyphData(ID3DXFont *iface, UINT glyph,
static HRESULT WINAPI ID3DXFontImpl_PreloadCharacters(ID3DXFont *iface, UINT first, UINT last) static HRESULT WINAPI ID3DXFontImpl_PreloadCharacters(ID3DXFont *iface, UINT first, UINT last)
{ {
FIXME("iface %p, first %u, last %u stub!\n", iface, first, last); struct d3dx_font *font = impl_from_ID3DXFont(iface);
return S_OK; 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) static uint32_t morton_decode(uint32_t x)