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author | dpapad@chromium.org <dpapad@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98> | 2011-03-02 19:25:17 +0000 |
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committer | dpapad@chromium.org <dpapad@chromium.org@0039d316-1c4b-4281-b951-d872f2087c98> | 2011-03-02 19:25:17 +0000 |
commit | 5ad7617cd93b48a67395f532b8483b8ace445ca2 (patch) | |
tree | ef6ec65870ccdea737de7e0fdcf1d89e2d887511 /printing/pdf_metafile_mac.h | |
parent | f83773f72845ed180a23dcbbfa9afbc3c295f758 (diff) | |
download | chromium_src-5ad7617cd93b48a67395f532b8483b8ace445ca2.zip chromium_src-5ad7617cd93b48a67395f532b8483b8ace445ca2.tar.gz chromium_src-5ad7617cd93b48a67395f532b8483b8ace445ca2.tar.bz2 |
Applying factory pattern (through NativeMetafileFactory class). It is used to retrieve different printing contexts (based on the platform and user preferences).
BUG=NONE
TEST=NONE
Committed: http://src.chromium.org/viewvc/chrome?view=rev&revision=76553
Reverted: http://src.chromium.org/viewvc/chrome?view=rev&revision=76555
Review URL: http://codereview.chromium.org/6544028
git-svn-id: svn://svn.chromium.org/chrome/trunk/src@76581 0039d316-1c4b-4281-b951-d872f2087c98
Diffstat (limited to 'printing/pdf_metafile_mac.h')
-rw-r--r-- | printing/pdf_metafile_mac.h | 45 |
1 files changed, 26 insertions, 19 deletions
diff --git a/printing/pdf_metafile_mac.h b/printing/pdf_metafile_mac.h index 557b008..c5669a8 100644 --- a/printing/pdf_metafile_mac.h +++ b/printing/pdf_metafile_mac.h @@ -1,4 +1,4 @@ -// Copyright (c) 2009 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. @@ -9,7 +9,9 @@ #include <CoreFoundation/CoreFoundation.h> #include "base/basictypes.h" +#include "base/gtest_prod_util.h" #include "base/mac/scoped_cftyperef.h" +#include "printing/native_metafile_mac.h" namespace gfx { class Rect; @@ -21,36 +23,31 @@ class FilePath; namespace printing { // This class creates a graphics context that renders into a PDF data stream. -class PdfMetafile { +class PdfMetafile : public NativeMetafile { public: - // To create PDF data, callers should also call Init() to set up the - // rendering context. - // To create a metafile from existing Data, callers should also call - // Init(const void*, uint32). - PdfMetafile(); - ~PdfMetafile(); + virtual ~PdfMetafile(); // Initializes a new metafile, and returns a drawing context for rendering // into the PDF. Returns NULL on failure. // Note: The returned context *must not be retained* past Close(). If it is, // the data returned from GetData will not be valid PDF data. - CGContextRef Init(); + virtual CGContextRef Init(); // Initializes a copy of metafile from PDF data. Returns true on success. - bool Init(const void* src_buffer, uint32 src_buffer_size); + virtual bool Init(const void* src_buffer, uint32 src_buffer_size); // Prepares a new pdf page at specified |content_origin| with the given // |page_size| and a |scale_factor| to use for the drawing. - CGContextRef StartPage(const gfx::Size& page_size, + virtual CGContextRef StartPage(const gfx::Size& page_size, const gfx::Point& content_origin, const float& scale_factor); // Closes the current page. - void FinishPage(); + virtual void FinishPage(); // Closes the PDF file; no further rendering is allowed. - void Close(); + virtual void Close(); // Renders the given page into |rect| in the given context. // Pages use a 1-based index. The rendering uses the following arguments @@ -67,29 +64,39 @@ class PdfMetafile { // |center_vertically| specifies whether the final image (after any scaling // is done) should be centered vertically within the given |rect|. // Note that all scaling preserves the original aspect ratio of the page. - bool RenderPage(unsigned int page_number, CGContextRef context, + virtual bool RenderPage(unsigned int page_number, CGContextRef context, const CGRect rect, bool shrink_to_fit, bool stretch_to_fit, bool center_horizontally, bool center_vertically) const; - unsigned int GetPageCount() const; + virtual unsigned int GetPageCount() const; // Returns the bounds of the given page. // Pages use a 1-based index. - gfx::Rect GetPageBounds(unsigned int page_number) const; + virtual gfx::Rect GetPageBounds(unsigned int page_number) const; // Returns the size of the underlying PDF data. Only valid after Close() has // been called. - uint32 GetDataSize() const; + virtual uint32 GetDataSize() const; // Copies the first |dst_buffer_size| bytes of the PDF data into |dst_buffer|. // Only valid after Close() has been called. // Returns true if the copy succeeds. - bool GetData(void* dst_buffer, uint32 dst_buffer_size) const; + virtual bool GetData(void* dst_buffer, uint32 dst_buffer_size) const; // Saves the raw PDF data to the given file. For testing only. // Returns true if writing succeeded. - bool SaveTo(const FilePath& file_path) const; + virtual bool SaveTo(const FilePath& file_path) const; + + protected: + // To create PDF data, callers should call Init() to set up the rendering + // context. + // To create a metafile from existing data, callers should call + // Init(const void*, uint32). + PdfMetafile(); private: + friend class NativeMetafileFactory; + FRIEND_TEST_ALL_PREFIXES(PdfMetafileTest, Pdf); + // Returns a CGPDFDocumentRef version of pdf_data_. CGPDFDocumentRef GetPDFDocument() const; |