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>
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dlls/d3dx9_36
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@ -220,8 +220,50 @@ static HRESULT WINAPI ID3DXFontImpl_GetGlyphData(ID3DXFont *iface, UINT glyph,
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static HRESULT WINAPI ID3DXFontImpl_PreloadCharacters(ID3DXFont *iface, UINT first, UINT last)
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{
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FIXME("iface %p, first %u, last %u stub!\n", iface, first, last);
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return S_OK;
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struct d3dx_font *font = impl_from_ID3DXFont(iface);
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unsigned int i, count, start, end;
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WORD *indices;
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WCHAR *chars;
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TRACE("iface %p, first %u, last %u.\n", iface, first, last);
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if (last < first)
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return D3D_OK;
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count = last - first + 1;
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indices = heap_alloc(count * sizeof(*indices));
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if (!indices)
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return E_OUTOFMEMORY;
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chars = heap_alloc(count * sizeof(*chars));
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if (!chars)
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{
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heap_free(indices);
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return E_OUTOFMEMORY;
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}
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for (i = 0; i < count; ++i)
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chars[i] = first + i;
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GetGlyphIndicesW(font->hdc, chars, count, indices, 0);
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start = end = indices[0];
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for (i = 1; i < count; ++i)
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{
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if (indices[i] == end + 1)
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{
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end = indices[i];
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continue;
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}
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ID3DXFont_PreloadGlyphs(iface, start, end);
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start = end = indices[i];
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}
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ID3DXFont_PreloadGlyphs(iface, start, end);
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heap_free(chars);
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heap_free(indices);
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return D3D_OK;
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}
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static uint32_t morton_decode(uint32_t x)
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