Index: printing/metafile.h |
diff --git a/printing/metafile.h b/printing/metafile.h |
index 5f771e5f0f89d9f15f4545741369d72b82645108..af0b237250843f43684aec0b9d9bd0503d37038d 100644 |
--- a/printing/metafile.h |
+++ b/printing/metafile.h |
@@ -5,6 +5,8 @@ |
#ifndef PRINTING_METAFILE_H_ |
#define PRINTING_METAFILE_H_ |
+#include <vector> |
+ |
#include "base/basictypes.h" |
#include "build/build_config.h" |
#include "printing/printing_export.h" |
@@ -19,7 +21,7 @@ |
#endif |
namespace base { |
-class FilePath; |
+class File; |
} |
namespace gfx { |
@@ -29,17 +31,10 @@ class Size; |
class SkBaseDevice; |
-#if defined(OS_CHROMEOS) || defined(OS_ANDROID) |
-namespace base { |
-struct FileDescriptor; |
-} |
-#endif |
- |
namespace printing { |
-// This class creates a graphics context that renders into a data stream |
-// (usually PDF or EMF). |
-class PRINTING_EXPORT Metafile { |
+// This class plays metafiles from data stream (usually PDF or EMF). |
+class PRINTING_EXPORT MetafilePlayer { |
public: |
#if defined(OS_MACOSX) |
// |shrink_to_fit| specifies whether the output should be shrunk to fit a |
@@ -71,8 +66,40 @@ class PRINTING_EXPORT Metafile { |
bool autorotate; |
}; |
#endif // defined(OS_MACOSX) |
+ MetafilePlayer(); |
+ virtual ~MetafilePlayer(); |
+ |
+#if defined(OS_WIN) |
+ // The slow version of Playback(). It enumerates all the records and play them |
+ // back in the HDC. The trick is that it skip over the records known to have |
+ // issue with some printers. See Emf::Record::SafePlayback implementation for |
+ // details. |
+ virtual bool SafePlayback(gfx::NativeDrawingContext hdc) const = 0; |
+ |
+#elif defined(OS_MACOSX) |
+ // Renders the given page into |rect| in the given context. |
+ // Pages use a 1-based index. The rendering uses the arguments in |
+ // |params| to determine scaling, translation, and rotation. |
+ virtual bool RenderPage(unsigned int page_number, |
+ gfx::NativeDrawingContext context, |
+ const CGRect rect, |
+ const MacRenderPageParams& params) const = 0; |
+#endif // if defined(OS_WIN) |
+ |
+ // Saves the underlying data to the given file. This function should ONLY be |
+ // called after the metafile is closed. Returns true if writing succeeded. |
+ virtual bool SaveTo(base::File* file) const = 0; |
+ |
+ private: |
+ DISALLOW_COPY_AND_ASSIGN(MetafilePlayer); |
+}; |
- virtual ~Metafile() {} |
+// This class creates a graphics context that renders into a data stream |
+// (usually PDF or EMF). |
+class PRINTING_EXPORT Metafile : public MetafilePlayer { |
+ public: |
+ Metafile(); |
+ virtual ~Metafile(); |
// Initializes a fresh new metafile for rendering. Returns false on failure. |
// Note: It should only be called from within the renderer process to allocate |
@@ -87,10 +114,9 @@ class PRINTING_EXPORT Metafile { |
// This method calls StartPage and then returns an appropriate |
// VectorPlatformDevice implementation bound to the context created by |
// StartPage or NULL on error. |
- virtual SkBaseDevice* StartPageForVectorCanvas( |
- const gfx::Size& page_size, |
- const gfx::Rect& content_area, |
- const float& scale_factor) = 0; |
+ virtual SkBaseDevice* StartPageForVectorCanvas(const gfx::Size& page_size, |
+ const gfx::Rect& content_area, |
+ const float& scale_factor) = 0; |
// Prepares a context for rendering a new page with the given |page_size|, |
// |content_area| and a |scale_factor| to use for the drawing. The units are |
@@ -117,15 +143,9 @@ class PRINTING_EXPORT Metafile { |
// Returns true if the copy succeeds. |
virtual bool GetData(void* dst_buffer, uint32 dst_buffer_size) const = 0; |
- // Saves the underlying data to the given file. This function should ONLY be |
- // called after the metafile is closed. Returns true if writing succeeded. |
- virtual bool SaveTo(const base::FilePath& file_path) const = 0; |
- |
- // Returns the bounds of the given page. Pages use a 1-based index. |
virtual gfx::Rect GetPageBounds(unsigned int page_number) const = 0; |
virtual unsigned int GetPageCount() const = 0; |
- // Get the context for rendering to the PDF. |
virtual gfx::NativeDrawingContext context() const = 0; |
#if defined(OS_WIN) |
@@ -139,28 +159,14 @@ class PRINTING_EXPORT Metafile { |
// it requires user intervention. |
virtual bool Playback(gfx::NativeDrawingContext hdc, |
const RECT* rect) const = 0; |
+#endif // OS_WIN |
- // The slow version of Playback(). It enumerates all the records and play them |
- // back in the HDC. The trick is that it skip over the records known to have |
- // issue with some printers. See Emf::Record::SafePlayback implementation for |
- // details. |
- virtual bool SafePlayback(gfx::NativeDrawingContext hdc) const = 0; |
+ bool GetDataAsVector(std::vector<char>* buffer) const; |
- virtual HENHMETAFILE emf() const = 0; |
-#elif defined(OS_MACOSX) |
- // Renders the given page into |rect| in the given context. |
- // Pages use a 1-based index. The rendering uses the arguments in |
- // |params| to determine scaling, translation, and rotation. |
- virtual bool RenderPage(unsigned int page_number, |
- gfx::NativeDrawingContext context, |
- const CGRect rect, |
- const MacRenderPageParams& params) const = 0; |
-#elif defined(OS_CHROMEOS) || defined(OS_ANDROID) |
- // Saves the underlying data to the file associated with fd. This function |
- // should ONLY be called after the metafile is closed. |
- // Returns true if writing succeeded. |
- virtual bool SaveToFD(const base::FileDescriptor& fd) const = 0; |
-#endif // if defined(OS_CHROMEOS) || defined(OS_ANDROID) |
+ virtual bool SaveTo(base::File* file) const OVERRIDE; |
+ |
+ private: |
+ DISALLOW_COPY_AND_ASSIGN(Metafile); |
}; |
} // namespace printing |