gdiplus: Implement GdipGetMetafileDownLevelRasterizationLimit.

Signed-off-by: Vincent Povirk <vincent@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>

dlls/gdiplus/gdiplus.spec

@@ -298,7 +298,7 @@
 298 stdcall GdipGetLogFontA(ptr ptr ptr)
 299 stdcall GdipGetLogFontW(ptr ptr ptr)
 300 stdcall GdipGetMatrixElements(ptr ptr)
-301 stub GdipGetMetafileDownLevelRasterizationLimit
+301 stdcall GdipGetMetafileDownLevelRasterizationLimit(ptr ptr)
 302 stdcall GdipGetMetafileHeaderFromEmf(ptr ptr)
 303 stdcall GdipGetMetafileHeaderFromFile(wstr ptr)
 304 stdcall GdipGetMetafileHeaderFromMetafile(ptr ptr)

dlls/gdiplus/gdiplus_private.h

@@ -407,6 +407,7 @@ struct GpMetafile{
     BOOL auto_frame; /* If true, determine the frame automatically */
     GpPointF auto_frame_min, auto_frame_max;
     DWORD next_object_id;
+    UINT limit_dpi;
 
     /* playback */
     GpGraphics *playback_graphics;

dlls/gdiplus/metafile.c

@@ -810,6 +810,7 @@ GpStatus WINGDIPAPI GdipRecordMetafile(HDC hdc, EmfType type, GDIPCONST GpRectF
     (*metafile)->comment_data = NULL;
     (*metafile)->comment_data_size = 0;
     (*metafile)->comment_data_length = 0;
+    (*metafile)->limit_dpi = 96;
     (*metafile)->hemf = NULL;
     list_init(&(*metafile)->containers);
 
@@ -4006,11 +4007,32 @@ GpStatus WINGDIPAPI GdipCreateMetafileFromStream(IStream *stream,
     return Ok;
 }
 
+GpStatus WINGDIPAPI GdipGetMetafileDownLevelRasterizationLimit(GDIPCONST GpMetafile *metafile,
+    UINT *limitDpi)
+{
+    TRACE("(%p,%p)\n", metafile, limitDpi);
+
+    if (!metafile || !limitDpi)
+        return InvalidParameter;
+
+    if (!metafile->record_dc)
+        return WrongState;
+
+    *limitDpi = metafile->limit_dpi;
+
+    return Ok;
+}
+
 GpStatus WINGDIPAPI GdipSetMetafileDownLevelRasterizationLimit(GpMetafile *metafile,
     UINT limitDpi)
 {
     TRACE("(%p,%u)\n", metafile, limitDpi);
 
+    if (!metafile)
+        return InvalidParameter;
+
+    metafile->limit_dpi = limitDpi;
+
     return Ok;
 }
 

dlls/gdiplus/tests/metafile.c

@@ -379,6 +379,7 @@ static void test_empty(void)
     static const GpRectF frame = {0.0, 0.0, 100.0, 100.0};
     static const GpPointF dst_points[3] = {{0.0,0.0},{100.0,0.0},{0.0,100.0}};
     static const WCHAR description[] = {'w','i','n','e','t','e','s','t',0};
+    UINT limit_dpi;
 
     hdc = CreateCompatibleDC(0);
 
@@ -408,6 +409,25 @@ static void test_empty(void)
     if (stat != Ok)
         return;
 
+    stat = GdipGetMetafileDownLevelRasterizationLimit(metafile, NULL);
+    expect(InvalidParameter, stat);
+
+    stat = GdipGetMetafileDownLevelRasterizationLimit(NULL, &limit_dpi);
+    expect(InvalidParameter, stat);
+
+    limit_dpi = 0xdeadbeef;
+    stat = GdipGetMetafileDownLevelRasterizationLimit(metafile, &limit_dpi);
+    expect(Ok, stat);
+    ok(limit_dpi == 96, "limit_dpi was %d\n", limit_dpi);
+
+    stat = GdipSetMetafileDownLevelRasterizationLimit(metafile, 255);
+    expect(Ok, stat);
+
+    limit_dpi = 0xdeadbeef;
+    stat = GdipGetMetafileDownLevelRasterizationLimit(metafile, &limit_dpi);
+    expect(Ok, stat);
+    ok(limit_dpi == 255, "limit_dpi was %d\n", limit_dpi);
+
     stat = GdipGetHemfFromMetafile(metafile, &hemf);
     expect(InvalidParameter, stat);
 
@@ -420,6 +440,11 @@ static void test_empty(void)
     stat = GdipDeleteGraphics(graphics);
     expect(Ok, stat);
 
+    limit_dpi = 0xdeadbeef;
+    stat = GdipGetMetafileDownLevelRasterizationLimit(metafile, &limit_dpi);
+    expect(WrongState, stat);
+    expect(0xdeadbeef, limit_dpi);
+
     check_metafile(metafile, empty_records, "empty metafile", dst_points, &frame, UnitPixel);
 
     sync_metafile(&metafile, "empty.emf");

include/gdiplusflat.h

@@ -545,6 +545,7 @@ GpStatus WINGDIPAPI GdipCreateMetafileFromWmfFile(GDIPCONST WCHAR*, GDIPCONST Wm
     GpMetafile**);
 GpStatus WINGDIPAPI GdipCreateMetafileFromFile(GDIPCONST WCHAR*,GpMetafile**);
 GpStatus WINGDIPAPI GdipCreateMetafileFromStream(IStream*,GpMetafile**);
+GpStatus WINGDIPAPI GdipGetMetafileDownLevelRasterizationLimit(GDIPCONST GpMetafile*,UINT*);
 GpStatus WINGDIPAPI GdipGetHemfFromMetafile(GpMetafile*,HENHMETAFILE*);
 GpStatus WINGDIPAPI GdipPlayMetafileRecord(GDIPCONST GpMetafile*,EmfPlusRecordType,UINT,UINT,GDIPCONST BYTE*);
 GpStatus WINGDIPAPI GdipSetMetafileDownLevelRasterizationLimit(GpMetafile*,UINT);