pdfviewer: native inline images support

experimental/PdfViewer/SkPdfRenderer.cpp

 /*
  * Copyright 2013 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkCanvas.h"
 #include "SkDevice.h"
 #include "SkForceLinking.h"
@@ skipping 88 matching lines @@
 
     virtual PdfResult consumeToken(PdfToken& token) = 0;
     virtual void loop() = 0;
 
     void setUp(PdfTokenLooper* parent) {
         fParent = parent;
         fTokenizer = parent->fTokenizer;
         fPdfContext = parent->fPdfContext;
         fCanvas = parent->fCanvas;
     }
+
+    SkPdfNativeTokenizer* tokenizer() { return fTokenizer; }
 };
 
 class PdfMainLooper : public PdfTokenLooper {
 public:
     PdfMainLooper(PdfTokenLooper* parent,
                   SkPdfNativeTokenizer* tokenizer,
                   PdfContext* pdfContext,
                   SkCanvas* canvas)
         : PdfTokenLooper(parent, tokenizer, pdfContext, canvas) {}
 
@@ skipping 1718 matching lines @@
 }
 
 void PdfMainLooper::loop() {
     PdfToken token;
     while (readToken(fTokenizer, &token)) {
         consumeToken(token);
     }
 }
 
 PdfResult PdfInlineImageLooper::consumeToken(PdfToken& token) {
-    //pdfContext.fInlineImage.fKeyValuePairs[key] = value;
-    return kNYI_PdfResult;
+    SkASSERT(false);
+    return kIgnoreError_PdfResult;
 }
 
 void PdfInlineImageLooper::loop() {
-    PdfToken token;
-    while (readToken(fTokenizer, &token)) {
-        if (token.fType == kKeyword_TokenType && strcmp(token.fKeyword, "BX") == 0) {
-            PdfTokenLooper* looper = new PdfCompatibilitySectionLooper();
-            looper->setUp(this);
-            looper->loop();
-        } else {
-            if (token.fType == kKeyword_TokenType && strcmp(token.fKeyword, "EI") == 0) {
-                done();
-                return;
-            }
-
-            consumeToken(token);
-        }
-    }
-    // TODO(edisonn): report error/warning, EOF without EI.
+    doXObject_Image(fPdfContext, fCanvas, fTokenizer->readInlineImage());
 }
 
 PdfResult PdfInlineImageLooper::done() {
 
     // TODO(edisonn): long to short names
     // TODO(edisonn): set properties in a map
     // TODO(edisonn): extract bitmap stream, check if PoDoFo has public utilities to uncompress
     // the stream.
 
     SkBitmap bitmap;
@@ skipping 143 matching lines @@
 }
 
 SkRect SkPdfRenderer::MediaBox(int page) const {
     SkASSERT(fPdfDoc);
     return fPdfDoc->MediaBox(page);
 }
 
 size_t SkPdfRenderer::bytesUsed() const {
     return fPdfDoc ? fPdfDoc->bytesUsed() : 0;
 }