pdfviewer: implementation of one type of pattern - simple tile patern, colored, with xstep and yste…

experimental/PdfViewer/pdfparser/native/SkPdfObject.h

 #ifndef EXPERIMENTAL_PDFVIEWER_PDFPARSER_NATIVE_SKPDFOBJECT_H_
 #define EXPERIMENTAL_PDFVIEWER_PDFPARSER_NATIVE_SKPDFOBJECT_H_
 
 #include <stdint.h>
 #include <string.h>
 #include <string>
 #include "SkTDArray.h"
 #include "SkTDict.h"
 #include "SkRect.h"
 #include "SkMatrix.h"
@@ skipping 821 matching lines @@
 
         return true;
     }
 
     static void appendSpaces(SkString* str, int level) {
         for (int i = 0 ; i < level; i++) {
             str->append(" ");
         }
     }
 
-    SkString toString(int firstRowLevel = 0, int level = 0) const {
+    SkString toString(int firstRowLevel = 0, int level = 0) {
         SkString str;
         appendSpaces(&str, firstRowLevel);
         switch (fObjectType) {
             case kInvalid_PdfObjectType:
                 str.append("__Invalid");
                 break;
 
             case kBoolean_PdfObjectType:
                 str.appendf("%s", fBooleanValue ? "true" : "false");
                 break;
@@ skipping 45 matching lines @@
                     SkPdfObject* obj = NULL;
                     const char* key = NULL;
                     str.append("<<\n");
                     while ((key = iter.next(&obj)) != NULL) {
                         appendSpaces(&str, level + 2);
                         str.appendf("/%s %s\n", key, obj->toString(0, level + strlen(key) + 4).c_str());
                     }
                     appendSpaces(&str, level);
                     str.append(">>");
                     if (hasStream()) {
-                        str.append("stream HAS_STREAM endstream");
+                        const unsigned char* stream = NULL;
+                        size_t length = 0;
+                        if (GetFilteredStreamRef(&stream, &length)) {
+                            str.append("stream");
+                            str.append((const char*)stream, length > 256 ? 256 : length);
+                            str.append("endstream");
+                        } else {
+                            str.append("stream STREAM_ERROR endstream");
+                        }
                     }
                 }
                 break;
 
             case kNull_PdfObjectType:
                 str = "NULL";
                 break;
 
             case kReference_PdfObjectType:
                 str.appendf("%i %i R", fRef.fId, fRef.fGen);
@@ skipping 45 matching lines @@
     SkPdfName() : SkPdfObject() {
         SkPdfObject::makeName((const unsigned char*)"", this);
     }
 public:
     SkPdfName(char* name) : SkPdfObject() {
         this->makeName((const unsigned char*)name, this);
     }
 };
 
 #endif  // EXPERIMENTAL_PDFVIEWER_PDFPARSER_NATIVE_SKPDFOBJECT_H_