Evan Stade : gdiplus: Partial implementation of GdipCreateMetafileFromWMF.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 50799cf04f1dcc634a6f9f07c39ea06b98f21e65
URL:    http://source.winehq.org/git/wine.git/?a=commit;h=50799cf04f1dcc634a6f9f07c39ea06b98f21e65

Author: Evan Stade <estade at gmail.com>
Date:   Mon Jul 30 19:10:03 2007 -0700

gdiplus: Partial implementation of GdipCreateMetafileFromWMF.

---

 dlls/gdiplus/Makefile.in       |    3 +-
 dlls/gdiplus/gdiplus_private.h |   18 ++++++++++++
 dlls/gdiplus/graphics.c        |   57 ++++++++++++++++++++++++++++++++++++++-
 3 files changed, 75 insertions(+), 3 deletions(-)

diff --git a/dlls/gdiplus/Makefile.in b/dlls/gdiplus/Makefile.in
index dc4e2e0..8efc6d6 100644
--- a/dlls/gdiplus/Makefile.in
+++ b/dlls/gdiplus/Makefile.in
@@ -4,7 +4,8 @@ SRCDIR    = @srcdir@
 VPATH     = @srcdir@
 MODULE    = gdiplus.dll
 IMPORTLIB = libgdiplus.$(IMPLIBEXT)
-IMPORTS   = user32 gdi32 advapi32 kernel32 ntdll
+IMPORTS   = oleaut32 ole32 user32 gdi32 advapi32 kernel32 ntdll
+EXTRALIBS = -luuid
 
 C_SRCS = \
 	brush.c \
diff --git a/dlls/gdiplus/gdiplus_private.h b/dlls/gdiplus/gdiplus_private.h
index b9420a3..8050125 100644
--- a/dlls/gdiplus/gdiplus_private.h
+++ b/dlls/gdiplus/gdiplus_private.h
@@ -20,13 +20,22 @@
 #define __WINE_GP_PRIVATE_H_
 
 #include <math.h>
+#include <stdarg.h>
+
 #include "windef.h"
 #include "wingdi.h"
+#include "winbase.h"
+#include "winuser.h"
+
+#include "objbase.h"
+#include "ocidl.h"
+
 #include "gdiplus.h"
 
 #define GP_DEFAULT_PENSTYLE (PS_GEOMETRIC | PS_SOLID | PS_ENDCAP_FLAT | PS_JOIN_MITER)
 #define MAX_ARC_PTS (13)
 #define MAX_DASHLEN (16) /* this is a limitation of gdi */
+#define INCH_HIMETRIC (2540)
 
 COLORREF ARGB2COLORREF(ARGB color);
 extern INT arc2polybezier(GpPointF * points, REAL x1, REAL y1, REAL x2, REAL y2,
@@ -108,4 +117,13 @@ struct GpCustomLineCap{
     REAL inset;     /* how much to adjust the end of the line */
 };
 
+struct GpImage{
+    IPicture* picture;
+    ImageType type;
+};
+
+struct GpMetafile{
+    GpImage image;
+};
+
 #endif
diff --git a/dlls/gdiplus/graphics.c b/dlls/gdiplus/graphics.c
index 92662b5..24d61d3 100644
--- a/dlls/gdiplus/graphics.c
+++ b/dlls/gdiplus/graphics.c
@@ -23,6 +23,13 @@
 #include "winbase.h"
 #include "winuser.h"
 #include "wingdi.h"
+
+#define COBJMACROS
+#include "objbase.h"
+#include "ocidl.h"
+#include "olectl.h"
+#include "ole2.h"
+
 #include "gdiplus.h"
 #include "gdiplus_private.h"
 #include "wine/debug.h"
@@ -839,14 +846,60 @@ GpStatus WINGDIPAPI GdipCreateMetafileFromWmf(HMETAFILE hwmf, BOOL delete,
     GDIPCONST WmfPlaceableFileHeader * placeable, GpMetafile **metafile)
 {
     static int calls;
+    IStream *stream;
+    UINT read;
+    BYTE* copy;
+    METAFILEPICT mfp;
+    HENHMETAFILE hemf;
 
     if(!hwmf || !metafile || !placeable)
         return InvalidParameter;
 
     if(!(calls++))
-        FIXME("not implemented\n");
+        FIXME("partially implemented\n");
 
-    return NotImplemented;
+    if(placeable->Inch != INCH_HIMETRIC)
+        return NotImplemented;
+
+    mfp.mm   = MM_HIMETRIC;
+    mfp.xExt = placeable->BoundingBox.Right - placeable->BoundingBox.Left;
+    mfp.yExt = placeable->BoundingBox.Bottom - placeable->BoundingBox.Top;
+    mfp.hMF  = NULL;
+
+    read = GetMetaFileBitsEx(hwmf, 0, NULL);
+    if(!read)
+        return GenericError;
+    copy = GdipAlloc(read);
+    GetMetaFileBitsEx(hwmf, read, copy);
+
+    hemf = SetWinMetaFileBits(read, copy, NULL, &mfp);
+    GdipFree(copy);
+
+    read = GetEnhMetaFileBits(hemf, 0, NULL);
+    copy = GdipAlloc(read);
+    GetEnhMetaFileBits(hemf, read, copy);
+    DeleteEnhMetaFile(hemf);
+
+    if(CreateStreamOnHGlobal(copy, TRUE, &stream) != S_OK){
+        ERR("could not make stream\n");
+        return GenericError;
+    }
+
+    *metafile = GdipAlloc(sizeof(GpMetafile));
+    if(!*metafile)  return OutOfMemory;
+
+    if(OleLoadPicture(stream, 0, FALSE, &IID_IPicture,
+        (LPVOID*) &((*metafile)->image.picture)) != S_OK){
+        GdipFree(*metafile);
+        return GenericError;
+    }
+
+    (*metafile)->image.type = ImageTypeMetafile;
+
+    if(delete)
+        DeleteMetaFile(hwmf);
+
+    return Ok;
 }
 
 GpStatus WINGDIPAPI GdipDeleteGraphics(GpGraphics *graphics)