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gdiplus: Implement GdipGetPropertyItem.

This commit is contained in:
Dmitry Timoshkov 2012-06-28 13:26:49 +09:00 committed by Alexandre Julliard
parent 9d953c5f79
commit 670445b22b
1 changed files with 131 additions and 13 deletions
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144
dlls/gdiplus/image.c
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@ -2475,19 +2475,6 @@ GpStatus WINGDIPAPI GdipGetPropertyIdList(GpImage *image, UINT num, PROPID *list
return hr == S_OK ? Ok : hresult_to_status(hr);
}
GpStatus WINGDIPAPI GdipGetPropertyItem(GpImage *image, PROPID id, UINT size,
PropertyItem* buffer)
{
static int calls;
TRACE("(%p, %u, %u, %p)\n", image, id, size, buffer);
if(!(calls++))
FIXME("not implemented\n");
return InvalidParameter;
}
static UINT propvariant_size(PROPVARIANT *value)
{
switch (value->vt & ~VT_VECTOR)
@ -2553,6 +2540,137 @@ GpStatus WINGDIPAPI GdipGetPropertyItemSize(GpImage *image, PROPID propid, UINT
return Ok;
}
#ifndef PropertyTagTypeSByte
#define PropertyTagTypeSByte 6
#define PropertyTagTypeSShort 8
#define PropertyTagTypeFloat 11
#define PropertyTagTypeDouble 12
#endif
static UINT vt_to_itemtype(UINT vt)
{
static const struct
{
UINT vt, type;
} vt2type[] =
{
{ VT_I1, PropertyTagTypeSByte },
{ VT_UI1, PropertyTagTypeByte },
{ VT_I2, PropertyTagTypeSShort },
{ VT_UI2, PropertyTagTypeShort },
{ VT_I4, PropertyTagTypeSLONG },
{ VT_UI4, PropertyTagTypeLong },
{ VT_I8, PropertyTagTypeSRational },
{ VT_UI8, PropertyTagTypeRational },
{ VT_R4, PropertyTagTypeFloat },
{ VT_R8, PropertyTagTypeDouble },
{ VT_LPSTR, PropertyTagTypeASCII },
{ VT_BLOB, PropertyTagTypeUndefined }
};
UINT i;
for (i = 0; i < sizeof(vt2type)/sizeof(vt2type[0]); i++)
{
if (vt2type[i].vt == vt) return vt2type[i].type;
}
FIXME("not supported variant type %u\n", vt);
return 0;
}
static GpStatus propvariant_to_item(PROPVARIANT *value, PropertyItem *item,
UINT size, PROPID id)
{
UINT item_size, item_type;
item_size = propvariant_size(value);
if (size != item_size + sizeof(PropertyItem)) return InvalidParameter;
item_type = vt_to_itemtype(value->vt & ~VT_VECTOR);
if (!item_type) return InvalidParameter;
item->value = item + 1;
switch (value->vt & ~VT_VECTOR)
{
case VT_I1:
case VT_UI1:
if (!(value->vt & VT_VECTOR))
*(BYTE *)item->value = value->u.bVal;
else
memcpy(item->value, value->u.caub.pElems, item_size);
break;
case VT_I2:
case VT_UI2:
if (!(value->vt & VT_VECTOR))
*(USHORT *)item->value = value->u.uiVal;
else
memcpy(item->value, value->u.caui.pElems, item_size);
break;
case VT_I4:
case VT_UI4:
case VT_R4:
if (!(value->vt & VT_VECTOR))
*(ULONG *)item->value = value->u.ulVal;
else
memcpy(item->value, value->u.caul.pElems, item_size);
break;
case VT_I8:
case VT_UI8:
case VT_R8:
if (!(value->vt & VT_VECTOR))
*(ULONGLONG *)item->value = value->u.uhVal.QuadPart;
else
memcpy(item->value, value->u.cauh.pElems, item_size);
break;
case VT_LPSTR:
memcpy(item->value, value->u.pszVal, item_size);
break;
case VT_BLOB:
memcpy(item->value, value->u.blob.pBlobData, item_size);
break;
default:
FIXME("not supported variant type %d\n", value->vt);
return InvalidParameter;
}
item->length = item_size;
item->type = item_type;
item->id = id;
return Ok;
}
GpStatus WINGDIPAPI GdipGetPropertyItem(GpImage *image, PROPID propid, UINT size,
PropertyItem *buffer)
{
GpStatus stat;
HRESULT hr;
IWICMetadataReader *reader;
PROPVARIANT id, value;
TRACE("(%p,%#x,%u,%p)\n", image, propid, size, buffer);
if (!image || !buffer) return InvalidParameter;
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;
stat = propvariant_to_item(&value, buffer, size, propid);
PropVariantClear(&value);
return stat;
}
GpStatus WINGDIPAPI GdipGetPropertySize(GpImage *image, UINT* size, UINT* num)
{
static int calls;