commit d9dfa18372119c8e1318125d2075fa80e0819094
author edisonn@google.com <edisonn@google.com@2bbb7eff-a529-9590-31e7-b0007b416f81> Wed Apr 24 13:01:01 2013 +0000
committer edisonn@google.com <edisonn@google.com@2bbb7eff-a529-9590-31e7-b0007b416f81> Wed Apr 24 13:01:01 2013 +0000
tree 1a4a321c54972e86cf5bec762839145a01f028dd
parent 6238c57c8dd8ddc14ca778017a0c43ba773b744f

Encode images with DCTDecode (JPEG) in PDFs if it makes sense. Fallback to FlateDecode (zip) if it makes sense. Otherewise include uncompressed stream.
This change will reduce the size of PDFs to 50% (in the case of the existing SKPs, we reduce the total size of PDFs from 105MB to 50MB) 
Review URL: https://codereview.appspot.com/7068055

git-svn-id: http://skia.googlecode.com/svn/trunk@8835 2bbb7eff-a529-9590-31e7-b0007b416f81

src/pdf/SkPDFImage.h

diff --git a/src/pdf/SkPDFImage.h b/src/pdf/SkPDFImage.h
index d41466f..31f8940 100644
--- a/src/pdf/SkPDFImage.h
+++ b/src/pdf/SkPDFImage.h
@@ -10,7 +10,8 @@
 #ifndef SkPDFImage_DEFINED
 #define SkPDFImage_DEFINED
 
-#include "SkPDFStream.h"
+#include "SkPDFDevice.h"
+#include "SkPDFImageStream.h"
 #include "SkPDFTypes.h"
 #include "SkRefCnt.h"
 
@@ -26,7 +27,7 @@
 // We could play the same trick here as is done in SkPDFGraphicState, storing
 // a copy of the Bitmap object (not the pixels), the pixel generation number,
 // and settings used from the paint to canonicalize image objects.
-class SkPDFImage : public SkPDFStream {
+class SkPDFImage : public SkPDFImageStream {
 public:
     /** Create a new Image XObject to represent the passed bitmap.
      *  @param bitmap   The image to encode.
@@ -36,7 +37,8 @@
      *           the given parameters.
      */
     static SkPDFImage* CreateImage(const SkBitmap& bitmap,
-                                   const SkIRect& srcRect);
+                                   const SkIRect& srcRect,
+                                   EncodeToDCTStream encoder);
 
     virtual ~SkPDFImage();
 
@@ -63,7 +65,7 @@
      *  @param paint      Used to calculate alpha, masks, etc.
      */
     SkPDFImage(SkStream* imageData, const SkBitmap& bitmap,
-               const SkIRect& srcRect, bool alpha);
+               const SkIRect& srcRect, bool alpha, EncodeToDCTStream encoder);
 };
 
 #endif