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-rw-r--r--chrome/common/common_param_traits_unittest.cc2
-rw-r--r--chrome/renderer/print_web_view_helper_win.cc8
-rw-r--r--chrome/service/cloud_print/print_system_win.cc6
-rw-r--r--chrome/service/service_utility_process_host.cc15
-rw-r--r--chrome/service/service_utility_process_host.h6
-rw-r--r--chrome/utility/utility_thread.cc20
-rw-r--r--content/plugin/webplugin_delegate_stub.cc2
-rw-r--r--printing/emf_win.cc42
-rw-r--r--printing/emf_win.h29
-rw-r--r--printing/emf_win_unittest.cc101
-rw-r--r--printing/native_metafile.h23
11 files changed, 105 insertions, 149 deletions
diff --git a/chrome/common/common_param_traits_unittest.cc b/chrome/common/common_param_traits_unittest.cc
index c227921..f62bb6f 100644
--- a/chrome/common/common_param_traits_unittest.cc
+++ b/chrome/common/common_param_traits_unittest.cc
@@ -201,7 +201,7 @@ TEST(IPCMessageTest, Metafile) {
printing::NativeMetafileFactory::Create());
RECT test_rect = {0, 0, 100, 100};
// Create a metafile using the screen DC as a reference.
- metafile->CreateDc(NULL, NULL);
+ metafile->Init();
metafile->FinishDocument();
IPC::Message msg(1, 2, IPC::Message::PRIORITY_NORMAL);
diff --git a/chrome/renderer/print_web_view_helper_win.cc b/chrome/renderer/print_web_view_helper_win.cc
index 2e87939..941aac7 100644
--- a/chrome/renderer/print_web_view_helper_win.cc
+++ b/chrome/renderer/print_web_view_helper_win.cc
@@ -74,7 +74,7 @@ void PrintWebViewHelper::PrintPage(const ViewMsg_PrintPage_Params& params,
// Each metafile contains a single page.
scoped_ptr<printing::NativeMetafile> metafile(
printing::NativeMetafileFactory::Create());
- metafile->CreateDc(NULL, NULL);
+ metafile->Init();
DCHECK(metafile->context());
skia::PlatformDevice::InitializeDC(metafile->context());
@@ -111,7 +111,6 @@ void PrintWebViewHelper::PrintPage(const ViewMsg_PrintPage_Params& params,
&(page_params.metafile_data_handle))) {
page_params.data_size = 0;
}
- metafile->CloseEmf();
if (!Send(new ViewHostMsg_DuplicateSection(
routing_id(),
page_params.metafile_data_handle,
@@ -142,7 +141,7 @@ void PrintWebViewHelper::CreatePreviewDocument(
// http://code.google.com/p/chromium/issues/detail?id=62889
scoped_ptr<printing::NativeMetafile> metafile(
printing::NativeMetafileFactory::Create());
- metafile->CreateDc(NULL, NULL);
+ metafile->Init();
DCHECK(metafile->context());
skia::PlatformDevice::InitializeDC(metafile->context());
@@ -184,7 +183,6 @@ void PrintWebViewHelper::CreatePreviewDocument(
preview_params.data_size = 0;
preview_params.expected_pages_count = 0;
}
- metafile->CloseEmf();
if (!Send(new ViewHostMsg_DuplicateSection(
routing_id(),
preview_params.metafile_data_handle,
@@ -263,7 +261,7 @@ void PrintWebViewHelper::RenderPage(
HBRUSH whiteBrush = static_cast<HBRUSH>(GetStockObject(WHITE_BRUSH));
FillRect(bitmap_dc, &rect, whiteBrush);
- metafile2->CreateDc(NULL, NULL);
+ metafile2->Init();
HDC hdc = metafile2->context();
DCHECK(hdc);
skia::PlatformDevice::InitializeDC(hdc);
diff --git a/chrome/service/cloud_print/print_system_win.cc b/chrome/service/cloud_print/print_system_win.cc
index 01caaa8..e963403 100644
--- a/chrome/service/cloud_print/print_system_win.cc
+++ b/chrome/service/cloud_print/print_system_win.cc
@@ -1,4 +1,4 @@
-// Copyright (c) 2010 The Chromium Authors. All rights reserved.
+// 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.
@@ -26,7 +26,7 @@
#include "printing/backend/print_backend.h"
#include "printing/backend/print_backend_consts.h"
#include "printing/backend/win_helper.h"
-#include "printing/native_metafile.h"
+#include "printing/emf_win.h"
#include "printing/page_range.h"
#include "ui/base/l10n/l10n_util.h"
#include "ui/gfx/rect.h"
@@ -448,7 +448,7 @@ class PrintSystemWin : public PrintSystem {
// ServiceUtilityProcessHost::Client implementation.
virtual void OnRenderPDFPagesToMetafileSucceeded(
- const printing::NativeMetafile& metafile,
+ const printing::Emf& metafile,
int highest_rendered_page_number) {
metafile.SafePlayback(printer_dc_.Get());
bool done_printing = (highest_rendered_page_number !=
diff --git a/chrome/service/service_utility_process_host.cc b/chrome/service/service_utility_process_host.cc
index 31f8b0e..0e8aa38 100644
--- a/chrome/service/service_utility_process_host.cc
+++ b/chrome/service/service_utility_process_host.cc
@@ -19,8 +19,7 @@
#if defined(OS_WIN)
#include "base/scoped_ptr.h"
#include "base/win/scoped_handle.h"
-#include "printing/native_metafile_factory.h"
-#include "printing/native_metafile.h"
+#include "printing/emf_win.h"
#endif
ServiceUtilityProcessHost::ServiceUtilityProcessHost(
@@ -203,15 +202,15 @@ void ServiceUtilityProcessHost::Client::MetafileAvailable(
if (!scratch_metafile_dir.Set(metafile_path.DirName()))
LOG(WARNING) << "Unable to set scratch metafile directory";
#if defined(OS_WIN)
- scoped_ptr<printing::NativeMetafile> metafile(
- printing::NativeMetafileFactory::Create());
- if (!metafile->CreateFromFile(metafile_path)) {
+ // It's important that metafile is declared after scratch_metafile_dir so
+ // that the metafile destructor closes the file before the ScopedTempDir
+ // destructor tries to remove the directory.
+ printing::Emf metafile;
+ if (!metafile.InitFromFile(metafile_path)) {
OnRenderPDFPagesToMetafileFailed();
} else {
- OnRenderPDFPagesToMetafileSucceeded(*metafile,
+ OnRenderPDFPagesToMetafileSucceeded(metafile,
highest_rendered_page_number);
- // Close it so that ScopedTempDir can delete the folder.
- metafile->CloseEmf();
}
#endif // defined(OS_WIN)
}
diff --git a/chrome/service/service_utility_process_host.h b/chrome/service/service_utility_process_host.h
index b770e1a..ad7eb3e 100644
--- a/chrome/service/service_utility_process_host.h
+++ b/chrome/service/service_utility_process_host.h
@@ -1,4 +1,4 @@
-// Copyright (c) 2010 The Chromium Authors. All rights reserved.
+// 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.
@@ -21,7 +21,6 @@
#include "base/task.h"
#include "ipc/ipc_channel.h"
#include "chrome/service/service_child_process_host.h"
-#include "printing/native_metafile.h"
class CommandLine;
class ScopedTempDir;
@@ -35,6 +34,7 @@ class Rect;
} // namespace gfx
namespace printing {
+class Emf;
struct PageRange;
struct PrinterCapsAndDefaults;
} // namespace printing
@@ -57,7 +57,7 @@ class ServiceUtilityProcessHost : public ServiceChildProcessHost {
// Called when at least one page in the specified PDF has been rendered
// successfully into |metafile|.
virtual void OnRenderPDFPagesToMetafileSucceeded(
- const printing::NativeMetafile& metafile,
+ const printing::Emf& metafile,
int highest_rendered_page_number) {}
// Called when no page in the passed in PDF could be rendered.
virtual void OnRenderPDFPagesToMetafileFailed() {}
diff --git a/chrome/utility/utility_thread.cc b/chrome/utility/utility_thread.cc
index cca4b34..bf312f7 100644
--- a/chrome/utility/utility_thread.cc
+++ b/chrome/utility/utility_thread.cc
@@ -32,8 +32,7 @@
#include "app/win/iat_patch_function.h"
#include "base/scoped_ptr.h"
#include "base/win/scoped_handle.h"
-#include "printing/native_metafile_factory.h"
-#include "printing/native_metafile.h"
+#include "printing/emf_win.h"
#endif
namespace {
@@ -259,18 +258,17 @@ bool UtilityThread::RenderPDFToWinMetafile(
if (!get_info_proc(&buffer.front(), buffer.size(), &total_page_count, NULL))
return false;
- scoped_ptr<printing::NativeMetafile> metafile(
- printing::NativeMetafileFactory::Create());
- metafile->CreateFileBackedDc(NULL, NULL, metafile_path);
+ printing::Emf metafile;
+ metafile.InitToFile(metafile_path);
// Since we created the metafile using the screen DPI (but we actually want
// the PDF DLL to print using the passed in render_dpi, we apply the following
// transformation.
- SetGraphicsMode(metafile->context(), GM_ADVANCED);
+ SetGraphicsMode(metafile.context(), GM_ADVANCED);
XFORM xform = {0};
int screen_dpi = GetDeviceCaps(GetDC(NULL), LOGPIXELSX);
xform.eM11 = xform.eM22 =
static_cast<float>(screen_dpi) / static_cast<float>(render_dpi);
- ModifyWorldTransform(metafile->context(), &xform, MWT_LEFTMULTIPLY);
+ ModifyWorldTransform(metafile.context(), &xform, MWT_LEFTMULTIPLY);
bool ret = false;
std::vector<printing::PageRange>::const_iterator iter;
@@ -280,18 +278,18 @@ bool UtilityThread::RenderPDFToWinMetafile(
break;
// The underlying metafile is of type Emf and ignores the arguments passed
// to StartPage.
- metafile->StartPage(gfx::Size(), gfx::Point(), 1);
+ metafile.StartPage(gfx::Size(), gfx::Point(), 1);
if (render_proc(&buffer.front(), buffer.size(), page_number,
- metafile->context(), render_dpi, render_dpi,
+ metafile.context(), render_dpi, render_dpi,
render_area.x(), render_area.y(), render_area.width(),
render_area.height(), true, false, true, true))
if (*highest_rendered_page_number < page_number)
*highest_rendered_page_number = page_number;
ret = true;
- metafile->FinishPage();
+ metafile.FinishPage();
}
}
- metafile->FinishDocument();
+ metafile.FinishDocument();
return ret;
}
#endif // defined(OS_WIN)
diff --git a/content/plugin/webplugin_delegate_stub.cc b/content/plugin/webplugin_delegate_stub.cc
index 2de6e42..76b4c23 100644
--- a/content/plugin/webplugin_delegate_stub.cc
+++ b/content/plugin/webplugin_delegate_stub.cc
@@ -273,7 +273,7 @@ void WebPluginDelegateStub::OnPrint(base::SharedMemoryHandle* shared_memory,
#if defined(OS_WIN)
scoped_ptr<printing::NativeMetafile> metafile(
printing::NativeMetafileFactory::Create());
- if (!metafile->CreateDc(NULL, NULL)) {
+ if (!metafile->Init()) {
NOTREACHED();
return;
}
diff --git a/printing/emf_win.cc b/printing/emf_win.cc
index 8609c34..c411a40 100644
--- a/printing/emf_win.cc
+++ b/printing/emf_win.cc
@@ -53,41 +53,39 @@ Emf::Emf() : emf_(NULL), hdc_(NULL) {
}
Emf::~Emf() {
- CloseEmf();
- DCHECK(!emf_ && !hdc_);
+ DCHECK(!hdc_);
+ if (emf_)
+ DeleteEnhMetaFile(emf_);
}
-bool Emf::InitFromData(const void* src_buffer, uint32 src_buffer_size) {
+bool Emf::InitToFile(const FilePath& metafile_path) {
DCHECK(!emf_ && !hdc_);
- emf_ = SetEnhMetaFileBits(src_buffer_size,
- reinterpret_cast<const BYTE*>(src_buffer));
- return emf_ != NULL;
+ hdc_ = CreateEnhMetaFile(NULL, metafile_path.value().c_str(), NULL, NULL);
+ DCHECK(hdc_);
+ return hdc_ != NULL;
}
-bool Emf::CreateDc(HDC sibling, const RECT* rect) {
+bool Emf::InitFromFile(const FilePath& metafile_path) {
DCHECK(!emf_ && !hdc_);
- hdc_ = CreateEnhMetaFile(sibling, NULL, rect, NULL);
- DCHECK(hdc_);
- return hdc_ != NULL;
+ emf_ = GetEnhMetaFile(metafile_path.value().c_str());
+ DCHECK(emf_);
+ return emf_ != NULL;
}
-bool Emf::CreateFileBackedDc(HDC sibling, const RECT* rect,
- const FilePath& path) {
+bool Emf::Init() {
DCHECK(!emf_ && !hdc_);
- DCHECK(!path.empty());
- hdc_ = CreateEnhMetaFile(sibling, path.value().c_str(), rect, NULL);
+ hdc_ = CreateEnhMetaFile(NULL, NULL, NULL, NULL);
DCHECK(hdc_);
return hdc_ != NULL;
}
-bool Emf::CreateFromFile(const FilePath& metafile_path) {
+bool Emf::InitFromData(const void* src_buffer, uint32 src_buffer_size) {
DCHECK(!emf_ && !hdc_);
- emf_ = GetEnhMetaFile(metafile_path.value().c_str());
- DCHECK(emf_);
+ emf_ = SetEnhMetaFileBits(src_buffer_size,
+ reinterpret_cast<const BYTE*>(src_buffer));
return emf_ != NULL;
}
-
bool Emf::FinishDocument() {
DCHECK(!emf_ && hdc_);
emf_ = CloseEnhMetaFile(hdc_);
@@ -96,14 +94,6 @@ bool Emf::FinishDocument() {
return emf_ != NULL;
}
-void Emf::CloseEmf() {
- DCHECK(!hdc_);
- if (emf_) {
- DeleteEnhMetaFile(emf_);
- emf_ = NULL;
- }
-}
-
bool Emf::Playback(HDC hdc, const RECT* rect) const {
DCHECK(emf_ && !hdc_);
RECT bounds;
diff --git a/printing/emf_win.h b/printing/emf_win.h
index f2ccffd..f4ee30f 100644
--- a/printing/emf_win.h
+++ b/printing/emf_win.h
@@ -29,10 +29,20 @@ class Emf : public NativeMetafile {
class Enumerator;
struct EnumerationContext;
+ // Generates a virtual HDC that will record every GDI commands and compile
+ // it in a EMF data stream.
+ Emf();
virtual ~Emf();
+ // Generates a new metafile that will record every GDI command, and will
+ // be saved to |metafile_path|.
+ virtual bool InitToFile(const FilePath& metafile_path);
+
+ // Initializes the Emf with the data in |metafile_path|.
+ virtual bool InitFromFile(const FilePath& metafile_path);
+
// NativeMetafile methods.
- virtual bool Init() { return true; }
+ virtual bool Init();
virtual bool InitFromData(const void* src_buffer, uint32 src_buffer_size);
virtual skia::PlatformDevice* StartPageForVectorCanvas(
@@ -68,14 +78,6 @@ class Emf : public NativeMetafile {
return hdc_;
}
- virtual bool CreateDc(HDC sibling, const RECT* rect);
- virtual bool CreateFileBackedDc(HDC sibling,
- const RECT* rect,
- const FilePath& path);
- virtual bool CreateFromFile(const FilePath& file_path);
-
- virtual void CloseEmf();
-
virtual bool Playback(HDC hdc, const RECT* rect) const;
virtual bool SafePlayback(HDC hdc) const;
@@ -85,16 +87,7 @@ class Emf : public NativeMetafile {
return emf_;
}
- protected:
- Emf();
-
private:
- friend class NativeMetafileFactory;
- FRIEND_TEST_ALL_PREFIXES(EmfTest, DC);
- FRIEND_TEST_ALL_PREFIXES(EmfTest, FileBackedDC);
- FRIEND_TEST_ALL_PREFIXES(EmfPrintingTest, Enumerate);
- FRIEND_TEST_ALL_PREFIXES(EmfPrintingTest, PageBreak);
-
// Playbacks safely one EMF record.
static int CALLBACK SafePlaybackProc(HDC hdc,
HANDLETABLE* handle_table,
diff --git a/printing/emf_win_unittest.cc b/printing/emf_win_unittest.cc
index 9f2899b..2492104 100644
--- a/printing/emf_win_unittest.cc
+++ b/printing/emf_win_unittest.cc
@@ -45,26 +45,26 @@ 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.context() != NULL);
- // In theory, you'd use the HDC with GDI functions here.
- EXPECT_TRUE(emf.FinishDocument());
- uint32 size = emf.GetDataSize();
- EXPECT_EQ(size, EMF_HEADER_SIZE);
+ uint32 size;
std::vector<BYTE> data;
- EXPECT_TRUE(emf.GetData(&data));
- EXPECT_EQ(data.size(), size);
- emf.CloseEmf();
- EXPECT_TRUE(DeleteDC(hdc));
+ {
+ printing::Emf emf;
+ EXPECT_TRUE(emf.Init());
+ EXPECT_TRUE(emf.context() != NULL);
+ // An empty EMF is invalid, so we put at least a rectangle in it.
+ ::Rectangle(emf.context(), 10, 10, 190, 190);
+ EXPECT_TRUE(emf.FinishDocument());
+ size = emf.GetDataSize();
+ EXPECT_GT(size, EMF_HEADER_SIZE);
+ EXPECT_TRUE(emf.GetData(&data));
+ EXPECT_EQ(data.size(), size);
+ }
// Playback the data.
- hdc = CreateCompatibleDC(NULL);
- EXPECT_TRUE(hdc);
+ printing::Emf emf;
EXPECT_TRUE(emf.InitFromData(&data.front(), size));
+ HDC hdc = CreateCompatibleDC(NULL);
+ EXPECT_TRUE(hdc);
RECT output_rect = {0, 0, 10, 10};
EXPECT_TRUE(emf.Playback(hdc, &output_rect));
EXPECT_TRUE(DeleteDC(hdc));
@@ -128,28 +128,31 @@ TEST_F(EmfPrintingTest, PageBreak) {
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.context() != NULL);
- int pages = 3;
- while (pages) {
- EXPECT_TRUE(emf.StartPage(gfx::Size(), gfx::Point(), 1));
- ::Rectangle(emf.context(), 10, 10, 190, 190);
- EXPECT_TRUE(emf.FinishPage());
- --pages;
- }
- EXPECT_TRUE(emf.FinishDocument());
- uint32 size = emf.GetDataSize();
+ uint32 size;
std::vector<BYTE> data;
- EXPECT_TRUE(emf.GetData(&data));
- EXPECT_EQ(data.size(), size);
- emf.CloseEmf();
+ {
+ printing::Emf emf;
+ EXPECT_TRUE(emf.Init());
+ EXPECT_TRUE(emf.context() != NULL);
+ int pages = 3;
+ while (pages) {
+ EXPECT_TRUE(emf.StartPage(gfx::Size(), gfx::Point(), 1));
+ ::Rectangle(emf.context(), 10, 10, 190, 190);
+ EXPECT_TRUE(emf.FinishPage());
+ --pages;
+ }
+ EXPECT_TRUE(emf.FinishDocument());
+ size = emf.GetDataSize();
+ EXPECT_TRUE(emf.GetData(&data));
+ EXPECT_EQ(data.size(), size);
+ }
// Playback the data.
DOCINFO di = {0};
di.cbSize = sizeof(DOCINFO);
di.lpszDocName = L"Test Job";
int job_id = ::StartDoc(dc.Get(), &di);
+ printing::Emf emf;
EXPECT_TRUE(emf.InitFromData(&data.front(), size));
EXPECT_TRUE(emf.SafePlayback(dc.Get()));
::EndDoc(dc.Get());
@@ -162,41 +165,39 @@ TEST_F(EmfPrintingTest, PageBreak) {
}
}
-TEST(EmfTest, FileBackedDC) {
+TEST(EmfTest, FileBackedEmf) {
// Simplest use case.
- 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.context() != NULL);
- // In theory, you'd use the HDC with GDI functions here.
- EXPECT_TRUE(emf.FinishDocument());
-
- uint32 size = emf.GetDataSize();
- EXPECT_EQ(size, EMF_HEADER_SIZE);
+ uint32 size;
std::vector<BYTE> data;
- EXPECT_TRUE(emf.GetData(&data));
- EXPECT_EQ(data.size(), size);
- emf.CloseEmf();
+ {
+ printing::Emf emf;
+ EXPECT_TRUE(emf.InitToFile(metafile_path));
+ EXPECT_TRUE(emf.context() != NULL);
+ // An empty EMF is invalid, so we put at least a rectangle in it.
+ ::Rectangle(emf.context(), 10, 10, 190, 190);
+ EXPECT_TRUE(emf.FinishDocument());
+ size = emf.GetDataSize();
+ EXPECT_GT(size, EMF_HEADER_SIZE);
+ EXPECT_TRUE(emf.GetData(&data));
+ EXPECT_EQ(data.size(), size);
+ }
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);
+ HDC hdc = CreateCompatibleDC(NULL);
EXPECT_TRUE(hdc);
- EXPECT_TRUE(emf.CreateFromFile(metafile_path));
+ printing::Emf emf;
+ EXPECT_TRUE(emf.InitFromFile(metafile_path));
RECT output_rect = {0, 0, 10, 10};
EXPECT_TRUE(emf.Playback(hdc, &output_rect));
EXPECT_TRUE(DeleteDC(hdc));
- emf.CloseEmf();
}
} // namespace printing
diff --git a/printing/native_metafile.h b/printing/native_metafile.h
index 742ee27..6623343 100644
--- a/printing/native_metafile.h
+++ b/printing/native_metafile.h
@@ -98,29 +98,6 @@ class NativeMetafile {
virtual gfx::NativeDrawingContext context() const = 0;
#if defined(OS_WIN)
- // Generates a virtual HDC that will record every GDI commands and compile it
- // in a EMF data stream.
- // hdc is used to setup the default DPI and color settings. hdc is optional.
- // rect specifies the dimensions (in .01-millimeter units) of the EMF. rect is
- // optional.
- virtual bool CreateDc(gfx::NativeDrawingContext sibling,
- const RECT* rect) = 0;
-
- // Similar to the above method but the metafile is backed by a file.
- virtual bool CreateFileBackedDc(gfx::NativeDrawingContext sibling,
- const RECT* rect,
- const FilePath& path) = 0;
-
- // TODO(maruel): CreateFromFile(). If ever used. Maybe users would like to
- // have the ability to save web pages to an EMF file? Afterward, it is easy to
- // convert to PDF or PS.
- // Load a metafile fromdisk.
- virtual bool CreateFromFile(const FilePath& metafile_path) = 0;
-
- // Closes the HDC created by CreateDc() and generates the compiled EMF
- // data.
- virtual void CloseEmf() = 0;
-
// "Plays" the EMF buffer in a HDC. It is the same effect as calling the
// original GDI function that were called when recording the EMF. |rect| is in
// "logical units" and is optional. If |rect| is NULL, the natural EMF bounds
generated by cgit v1.1 at 2025-01-23 15:32:58 +0000