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windowscodecs: Implement IWICBitmapDecoderInfo::GetPatterns.

This commit is contained in:
Vincent Povirk 2009-07-28 16:21:12 -05:00 committed by Alexandre Julliard
parent 3f2ff08803
commit 6c5d1b2f63
1 changed files with 92 additions and 2 deletions
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94
dlls/windowscodecs/info.c
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@ -31,6 +31,7 @@
#include "wincodecs_private.h"
#include "wine/debug.h"
#include "wine/unicode.h"
WINE_DEFAULT_DEBUG_CHANNEL(wincodecs);
@ -233,8 +234,97 @@ static HRESULT WINAPI BitmapDecoderInfo_MatchesMimeType(IWICBitmapDecoderInfo *i
static HRESULT WINAPI BitmapDecoderInfo_GetPatterns(IWICBitmapDecoderInfo *iface,
UINT cbSizePatterns, WICBitmapPattern *pPatterns, UINT *pcPatterns, UINT *pcbPatternsActual)
{
FIXME("(%p,%i,%p,%p,%p): stub\n", iface, cbSizePatterns, pPatterns, pcPatterns, pcbPatternsActual);
return E_NOTIMPL;
BitmapDecoderInfo *This = (BitmapDecoderInfo*)iface;
UINT pattern_count=0, patterns_size=0;
WCHAR subkeyname[11];
LONG res;
HKEY patternskey, patternkey;
static const WCHAR uintformatW[] = {'%','u',0};
static const WCHAR patternsW[] = {'P','a','t','t','e','r','n','s',0};
static const WCHAR positionW[] = {'P','o','s','i','t','i','o','n',0};
static const WCHAR lengthW[] = {'L','e','n','g','t','h',0};
static const WCHAR patternW[] = {'P','a','t','t','e','r','n',0};
static const WCHAR maskW[] = {'M','a','s','k',0};
static const WCHAR endofstreamW[] = {'E','n','d','O','f','S','t','r','e','a','m',0};
HRESULT hr=S_OK;
UINT i;
BYTE *bPatterns=(BYTE*)pPatterns;
DWORD length, valuesize;
TRACE("(%p,%i,%p,%p,%p)\n", iface, cbSizePatterns, pPatterns, pcPatterns, pcbPatternsActual);
res = RegOpenKeyExW(This->classkey, patternsW, 0, KEY_READ, &patternskey);
if (res != ERROR_SUCCESS) return HRESULT_FROM_WIN32(res);
res = RegQueryInfoKeyW(patternskey, NULL, NULL, NULL, &pattern_count, NULL, NULL, NULL, NULL, NULL, NULL, NULL);
if (res == ERROR_SUCCESS)
{
patterns_size = pattern_count * sizeof(WICBitmapPattern);
for (i=0; i<pattern_count; i++)
{
snprintfW(subkeyname, 11, uintformatW, i);
res = RegOpenKeyExW(patternskey, subkeyname, 0, KEY_READ, &patternkey);
if (res == ERROR_SUCCESS)
{
valuesize = sizeof(ULONG);
res = RegGetValueW(patternkey, NULL, lengthW, RRF_RT_DWORD, NULL,
&length, &valuesize);
patterns_size += length*2;
if ((cbSizePatterns >= patterns_size) && (res == ERROR_SUCCESS))
{
pPatterns[i].Length = length;
pPatterns[i].EndOfStream = 0;
valuesize = sizeof(BOOL);
RegGetValueW(patternkey, NULL, endofstreamW, RRF_RT_DWORD, NULL,
&pPatterns[i].EndOfStream, &valuesize);
pPatterns[i].Position.QuadPart = 0;
valuesize = sizeof(ULARGE_INTEGER);
res = RegGetValueW(patternkey, NULL, positionW, RRF_RT_DWORD|RRF_RT_QWORD, NULL,
&pPatterns[i].Position, &valuesize);
if (res == ERROR_SUCCESS)
{
pPatterns[i].Pattern = bPatterns+patterns_size-length*2;
valuesize = length;
res = RegGetValueW(patternkey, NULL, patternW, RRF_RT_REG_BINARY, NULL,
pPatterns[i].Pattern, &valuesize);
}
if (res == ERROR_SUCCESS)
{
pPatterns[i].Mask = bPatterns+patterns_size-length;
valuesize = length;
res = RegGetValueW(patternkey, NULL, maskW, RRF_RT_REG_BINARY, NULL,
pPatterns[i].Mask, &valuesize);
}
}
RegCloseKey(patternkey);
}
if (res != ERROR_SUCCESS)
{
hr = HRESULT_FROM_WIN32(res);
break;
}
}
}
else hr = HRESULT_FROM_WIN32(res);
RegCloseKey(patternskey);
if (hr == S_OK)
{
*pcPatterns = pattern_count;
*pcbPatternsActual = patterns_size;
if (pPatterns && cbSizePatterns < patterns_size)
hr = WINCODEC_ERR_INSUFFICIENTBUFFER;
}
return hr;
}
static HRESULT WINAPI BitmapDecoderInfo_MatchesPattern(IWICBitmapDecoderInfo *iface,