gdiplus: Add tests for GetMetafileHeader functions.

[Vincent Povirk]

-------------- next part --------------
From c552ff4098e647b65d97cad4291fd3dff78dfad7 Mon Sep 17 00:00:00 2001
From: Vincent Povirk <vincent at codeweavers.com>
Date: Tue, 28 Jan 2014 15:12:56 -0600
Subject: [PATCH 2/2] gdiplus: Add tests for GetMetafileHeader functions.

---
 dlls/gdiplus/tests/metafile.c | 63 ++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 62 insertions(+), 1 deletion(-)

diff --git a/dlls/gdiplus/tests/metafile.c b/dlls/gdiplus/tests/metafile.c
index f9a5092..bd1aa0e 100644
--- a/dlls/gdiplus/tests/metafile.c
+++ b/dlls/gdiplus/tests/metafile.c
@@ -25,7 +25,8 @@
 #include "wine/test.h"
 
 #define expect(expected, got) ok(got == expected, "Expected %.8x, got %.8x\n", expected, got)
-#define expectf(expected, got) ok(fabs((expected) - (got)) < 0.0001, "Expected %f, got %f\n", (expected), (got))
+#define expectf_(expected, got, precision) ok(fabs((expected) - (got)) <= (precision), "Expected %f, got %f\n", (expected), (got))
+#define expectf(expected, got) expectf_((expected), (got), 0.001)
 
 static BOOL save_metafiles;
 
@@ -292,6 +293,10 @@ 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};
+    MetafileHeader header;
+    UINT size;
+    ENHMETAHEADER emfheader;
+    INT dpix, dpiy;
 
     hdc = CreateCompatibleDC(0);
 
@@ -316,11 +321,31 @@ static void test_empty(void)
     stat = GdipRecordMetafile(hdc, EmfTypeEmfPlusOnly, &frame, MetafileFrameUnitPixel, description, &metafile);
     expect(Ok, stat);
 
+    dpix = GetDeviceCaps(hdc, LOGPIXELSX);
+    dpiy = GetDeviceCaps(hdc, LOGPIXELSY);
+
     DeleteDC(hdc);
 
     if (stat != Ok)
         return;
 
+    stat = GdipGetMetafileHeaderFromMetafile(metafile, &header);
+    expect(Ok, stat);
+    todo_wine expect(MetafileTypeEmfPlusOnly, header.Type);
+    expect(0, header.Size);
+    todo_wine ok(header.Version == 0xdbc01001 || header.Version == 0xdbc01002, "got %x\n", header.Version);
+    todo_wine expect(GDIP_EMFPLUSFLAGS_DISPLAY, header.EmfPlusFlags);
+    todo_wine expectf_(dpix * 0.75, header.DpiX, 0.4);
+    todo_wine expectf_(dpiy * 0.75, header.DpiY, 0.4);
+    todo_wine expect(dpix, header.LogicalDpiX);
+    todo_wine expect(dpiy, header.LogicalDpiX);
+    todo_wine ok(header.DpiY != 0, "got %f\n", header.DpiY);
+    expect(0, header.X);
+    expect(0, header.Y);
+    expect(0, header.Width);
+    expect(0, header.Height);
+    todo_wine expect(28, header.EmfPlusHeaderSize);
+
     stat = GdipGetHemfFromMetafile(metafile, &hemf);
     expect(InvalidParameter, stat);
 
@@ -337,6 +362,23 @@ static void test_empty(void)
 
     save_metafile(metafile, "empty.emf");
 
+    stat = GdipGetMetafileHeaderFromMetafile(metafile, &header);
+    expect(Ok, stat);
+    todo_wine expect(MetafileTypeEmfPlusOnly, header.Type);
+    todo_wine ok(header.Size != 0, "got size %d\n", header.Size);
+    size = header.Size;
+    todo_wine ok(header.Version == 0xdbc01001 || header.Version == 0xdbc01002, "got %x\n", header.Version);
+    todo_wine expect(GDIP_EMFPLUSFLAGS_DISPLAY, header.EmfPlusFlags);
+    todo_wine expectf_(dpix * 0.75, header.DpiX, 0.4);
+    todo_wine expectf_(dpiy * 0.75, header.DpiY, 0.4);
+    todo_wine expect(dpix, header.LogicalDpiX);
+    todo_wine expect(dpiy, header.LogicalDpiX);
+    expect(0, header.X);
+    expect(0, header.Y);
+    todo_wine expect(100, header.Width);
+    todo_wine expect(100, header.Height);
+    todo_wine expect(28, header.EmfPlusHeaderSize);
+
     stat = GdipGetHemfFromMetafile(metafile, &hemf);
     expect(Ok, stat);
 
@@ -348,6 +390,25 @@ static void test_empty(void)
 
     check_emfplus(hemf, empty_records, "empty emf");
 
+    stat = GdipGetMetafileHeaderFromEmf(hemf, &header);
+    expect(Ok, stat);
+    todo_wine expect(MetafileTypeEmfPlusOnly, header.Type);
+    expect(size, header.Size);
+    todo_wine ok(header.Version == 0xdbc01001 || header.Version == 0xdbc01002, "got %x\n", header.Version);
+    todo_wine expect(GDIP_EMFPLUSFLAGS_DISPLAY, header.EmfPlusFlags);
+    todo_wine expectf_(dpix * 0.75, header.DpiX, 0.4);
+    todo_wine expectf_(dpiy * 0.75, header.DpiY, 0.4);
+    todo_wine expect(dpix, header.LogicalDpiX);
+    todo_wine expect(dpiy, header.LogicalDpiX);
+    expect(0, header.X);
+    expect(0, header.Y);
+    todo_wine expect(100, header.Width);
+    todo_wine expect(100, header.Height);
+    todo_wine expect(28, header.EmfPlusHeaderSize);
+
+    GetEnhMetaFileHeader(hemf, sizeof(emfheader), &emfheader);
+    todo_wine expect(size, emfheader.nBytes);
+
     ret = DeleteEnhMetaFile(hemf);
     ok(ret != 0, "Failed to delete enhmetafile %p\n", hemf);
 }
-- 
1.8.1.2