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gdiplus: Implement GdipGetPropertyItemSize.

oldstable
Dmitry Timoshkov 2012-06-28 13:25:57 +09:00 committed by Alexandre Julliard
parent 8b30ef11cf
commit 9d953c5f79
1 changed files with 58 additions and 9 deletions
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67
dlls/gdiplus/image.c
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@ -2488,20 +2488,69 @@ GpStatus WINGDIPAPI GdipGetPropertyItem(GpImage *image, PROPID id, UINT size,
return InvalidParameter;
}
GpStatus WINGDIPAPI GdipGetPropertyItemSize(GpImage *image, PROPID pid,
UINT* size)
static UINT propvariant_size(PROPVARIANT *value)
{
static int calls;
switch (value->vt & ~VT_VECTOR)
{
case VT_EMPTY:
return 0;
case VT_I1:
case VT_UI1:
if (!(value->vt & VT_VECTOR)) return 1;
return value->u.caub.cElems;
case VT_I2:
case VT_UI2:
if (!(value->vt & VT_VECTOR)) return 2;
return value->u.caui.cElems * 2;
case VT_I4:
case VT_UI4:
case VT_R4:
if (!(value->vt & VT_VECTOR)) return 4;
return value->u.caul.cElems * 4;
case VT_I8:
case VT_UI8:
case VT_R8:
if (!(value->vt & VT_VECTOR)) return 8;
return value->u.cauh.cElems * 8;
case VT_LPSTR:
return value->u.pszVal ? strlen(value->u.pszVal) + 1 : 0;
case VT_BLOB:
return value->u.blob.cbSize;
default:
FIXME("not supported variant type %d\n", value->vt);
return 0;
}
}
TRACE("%p %x %p\n", image, pid, size);
GpStatus WINGDIPAPI GdipGetPropertyItemSize(GpImage *image, PROPID propid, UINT *size)
{
HRESULT hr;
IWICMetadataReader *reader;
PROPVARIANT id, value;
if(!size || !image)
return InvalidParameter;
TRACE("(%p,%#x,%p)\n", image, propid, size);
if(!(calls++))
FIXME("not implemented\n");
if (!size || !image) return InvalidParameter;
return NotImplemented;
if (image->type != ImageTypeBitmap)
{
FIXME("Not implemented for type %d\n", image->type);
return NotImplemented;
}
reader = ((GpBitmap *)image)->metadata_reader;
if (!reader) return PropertyNotFound;
id.vt = VT_UI2;
id.u.uiVal = propid;
hr = IWICMetadataReader_GetValue(reader, NULL, &id, &value);
if (FAILED(hr)) return PropertyNotFound;
*size = propvariant_size(&value);
if (*size) *size += sizeof(PropertyItem);
PropVariantClear(&value);
return Ok;
}
GpStatus WINGDIPAPI GdipGetPropertySize(GpImage *image, UINT* size, UINT* num)