Unifying NativeMetafile class interface (as much as possible) for Linux, Mac, Win

printing/emf_win_unittest.cc

 // Copyright (c) 2011 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "printing/emf_win.h"
 
 // For quick access.
 #include <wingdi.h>
 #include <winspool.h>
 
@@ skipping 30 matching lines @@
 
 namespace printing {
 
 TEST(EmfTest, DC) {
   // Simplest use case.
   printing::Emf emf;
   RECT rect = {100, 100, 200, 200};
   HDC hdc = CreateCompatibleDC(NULL);
   EXPECT_TRUE(hdc != NULL);
   EXPECT_TRUE(emf.CreateDc(hdc, &rect));
-  EXPECT_TRUE(emf.hdc() != NULL);
+  EXPECT_TRUE(emf.context() != NULL);
   // In theory, you'd use the HDC with GDI functions here.
-  EXPECT_TRUE(emf.CloseDc());
+  EXPECT_TRUE(emf.Close());
   uint32 size = emf.GetDataSize();
   EXPECT_EQ(size, EMF_HEADER_SIZE);
   std::vector<BYTE> data;
   EXPECT_TRUE(emf.GetData(&data));
   EXPECT_EQ(data.size(), size);
   emf.CloseEmf();
   EXPECT_TRUE(DeleteDC(hdc));
 
   // Playback the data.
   hdc = CreateCompatibleDC(NULL);
@@ skipping 33 matching lines @@
   EXPECT_TRUE(emf.Init(&emf_data[0], emf_data.size()));
 
   // This will print to file. The reason is that when running inside a
   // unit_test, printing::PrintingContext automatically dumps its files to the
   // current directory.
   // TODO(maruel):  Clean the .PRN file generated in current directory.
   context->NewDocument(L"EmfTest.Enumerate");
   context->NewPage();
   // Process one at a time.
   printing::Emf::Enumerator emf_enum(emf, context->context(),
-                                &emf.GetBounds().ToRECT());
+                                &emf.GetPageBounds(1).ToRECT());
   for (printing::Emf::Enumerator::const_iterator itr = emf_enum.begin();
        itr != emf_enum.end();
        ++itr) {
     // To help debugging.
     ptrdiff_t index = itr - emf_enum.begin();
     // If you get this assert, you need to lookup iType in wingdi.h. It starts
     // with EMR_HEADER.
     EMR_HEADER;
     EXPECT_TRUE(itr->SafePlayback(NULL)) <<
         " index: " << index << " type: " << itr->record()->iType;
   }
   context->PageDone();
   context->DocumentDone();
 }
 
 // Disabled if no "UnitTest printer" exists.
 TEST_F(EmfPrintingTest, PageBreak) {
   base::win::ScopedHDC dc(
       CreateDC(L"WINSPOOL", L"UnitTest Printer", NULL, NULL));
   if (!dc.Get())
     return;
   printing::Emf emf;
   EXPECT_TRUE(emf.CreateDc(dc.Get(), NULL));
-  EXPECT_TRUE(emf.hdc() != NULL);
+  EXPECT_TRUE(emf.context() != NULL);
   int pages = 3;
   while (pages) {
     EXPECT_TRUE(emf.StartPage());
-    ::Rectangle(emf.hdc(), 10, 10, 190, 190);
-    EXPECT_TRUE(emf.EndPage());
+    ::Rectangle(emf.context(), 10, 10, 190, 190);
+    EXPECT_TRUE(emf.FinishPage());
     --pages;
   }
-  EXPECT_TRUE(emf.CloseDc());
+  EXPECT_TRUE(emf.Close());
   uint32 size = emf.GetDataSize();
   std::vector<BYTE> data;
   EXPECT_TRUE(emf.GetData(&data));
   EXPECT_EQ(data.size(), size);
   emf.CloseEmf();
 
   // Playback the data.
   DOCINFO di = {0};
   di.cbSize = sizeof(DOCINFO);
   di.lpszDocName = L"Test Job";
@@ skipping 15 matching lines @@
   printing::Emf emf;
   RECT rect = {100, 100, 200, 200};
   HDC hdc = CreateCompatibleDC(NULL);
   EXPECT_TRUE(hdc != NULL);
   ScopedTempDir scratch_metafile_dir;
   ASSERT_TRUE(scratch_metafile_dir.CreateUniqueTempDir());
   FilePath metafile_path;
   EXPECT_TRUE(file_util::CreateTemporaryFileInDir(scratch_metafile_dir.path(),
                                                   &metafile_path));
   EXPECT_TRUE(emf.CreateFileBackedDc(hdc, &rect, metafile_path));
-  EXPECT_TRUE(emf.hdc() != NULL);
+  EXPECT_TRUE(emf.context() != NULL);
   // In theory, you'd use the HDC with GDI functions here.
-  EXPECT_TRUE(emf.CloseDc());
+  EXPECT_TRUE(emf.Close());
 
   uint32 size = emf.GetDataSize();
   EXPECT_EQ(size, EMF_HEADER_SIZE);
   std::vector<BYTE> data;
   EXPECT_TRUE(emf.GetData(&data));
   EXPECT_EQ(data.size(), size);
   emf.CloseEmf();
   int64 file_size = 0;
   file_util::GetFileSize(metafile_path, &file_size);
   EXPECT_EQ(size, file_size);
   EXPECT_TRUE(DeleteDC(hdc));
 
   // Playback the data.
   hdc = CreateCompatibleDC(NULL);
   EXPECT_TRUE(hdc);
   EXPECT_TRUE(emf.CreateFromFile(metafile_path));
   RECT output_rect = {0, 0, 10, 10};
   EXPECT_TRUE(emf.Playback(hdc, &output_rect));
   EXPECT_TRUE(DeleteDC(hdc));
   emf.CloseEmf();
 }
 
 }  // namespace printing