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gdiplus/metafile: Partially implement EmfPlusPath deserialization. 

Signed-off-by: Nikolay Sivov <nsivov@codeweavers.com>
Signed-off-by: Vincent Povirk <vincent@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Nikolay Sivov 2017-10-16 10:12:23 +03:00 committed by Alexandre Julliard
parent 440efc8244
commit 2a2f61dfe9
2 changed files with 76 additions and 0 deletions
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1
dlls/gdiplus/gdiplus_private.h
View File

@ -394,6 +394,7 @@ struct emfplus_object {
EmfPlusObjectType type;
union {
GpBrush *brush;
GpPath *path;
GpImage *image;
GpImageAttributes *image_attributes;
void *object;

75
dlls/gdiplus/metafile.c
View File

@ -388,6 +388,9 @@ static void metafile_free_object_table_entry(GpMetafile *metafile, BYTE id)
case ObjectTypeBrush:
GdipDeleteBrush(object->u.brush);
break;
case ObjectTypePath:
GdipDeletePath(object->u.path);
break;
case ObjectTypeImage:
GdipDisposeImage(object->u.image);
break;
@ -1572,6 +1575,75 @@ static GpStatus metafile_deserialize_image(const BYTE *record_data, UINT data_si
return status;
}
static GpStatus metafile_deserialize_path(const BYTE *record_data, UINT data_size, GpPath **path)
{
EmfPlusPath *data = (EmfPlusPath *)record_data;
GpStatus status;
BYTE *types;
UINT size;
DWORD i;
*path = NULL;
if (data_size <= FIELD_OFFSET(EmfPlusPath, data))
return InvalidParameter;
data_size -= FIELD_OFFSET(EmfPlusPath, data);
if (data->PathPointFlags & 0x800) /* R */
{
FIXME("RLE encoded path data is not supported.\n");
return NotImplemented;
}
else
{
if (data->PathPointFlags & 0x4000) /* C */
size = sizeof(EmfPlusPoint);
else
size = sizeof(EmfPlusPointF);
size += sizeof(BYTE); /* EmfPlusPathPointType */
size *= data->PathPointCount;
}
if (data_size < size)
return InvalidParameter;
status = GdipCreatePath(FillModeAlternate, path);
if (status != Ok)
return status;
(*path)->pathdata.Count = data->PathPointCount;
(*path)->pathdata.Points = GdipAlloc(data->PathPointCount * sizeof(*(*path)->pathdata.Points));
(*path)->pathdata.Types = GdipAlloc(data->PathPointCount * sizeof(*(*path)->pathdata.Types));
(*path)->datalen = (*path)->pathdata.Count;
if (!(*path)->pathdata.Points || !(*path)->pathdata.Types)
{
GdipDeletePath(*path);
return OutOfMemory;
}
if (data->PathPointFlags & 0x4000) /* C */
{
EmfPlusPoint *points = (EmfPlusPoint *)data->data;
for (i = 0; i < data->PathPointCount; i++)
{
(*path)->pathdata.Points[i].X = points[i].X;
(*path)->pathdata.Points[i].Y = points[i].Y;
}
types = (BYTE *)(points + i);
}
else
{
EmfPlusPointF *points = (EmfPlusPointF *)data->data;
memcpy((*path)->pathdata.Points, points, sizeof(*points) * data->PathPointCount);
types = (BYTE *)(points + data->PathPointCount);
}
memcpy((*path)->pathdata.Types, types, sizeof(*types) * data->PathPointCount);
return Ok;
}
static GpStatus metafile_deserialize_brush(const BYTE *record_data, UINT data_size, GpBrush **brush)
{
static const UINT header_size = FIELD_OFFSET(EmfPlusBrush, BrushData);
@ -1614,6 +1686,9 @@ static GpStatus METAFILE_PlaybackObject(GpMetafile *metafile, UINT flags, UINT d
case ObjectTypeBrush:
status = metafile_deserialize_brush(record_data, data_size, (GpBrush **)&object);
break;
case ObjectTypePath:
status = metafile_deserialize_path(record_data, data_size, (GpPath **)&object);
break;
case ObjectTypeImage:
status = metafile_deserialize_image(record_data, data_size, (GpImage **)&object);
break;