diff --git a/experimental/PdfViewer/SkPdfRenderer.cpp b/experimental/PdfViewer/SkPdfRenderer.cpp
new file mode 100644
index 0000000..39cae9c
--- /dev/null
+++ b/experimental/PdfViewer/SkPdfRenderer.cpp
@@ -0,0 +1,2021 @@
+/*
+ * 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"
+#include "SkGraphics.h"
+#include "SkImageDecoder.h"
+#include "SkImageEncoder.h"
+#include "SkOSFile.h"
+#include "SkPicture.h"
+#include "SkStream.h"
+#include "SkTypeface.h"
+#include "SkTArray.h"
+#include "picture_utils.h"
+
+#include <iostream>
+#include <cstdio>
+#include <stack>
+#include <set>
+
+__SK_FORCE_IMAGE_DECODER_LINKING;
+
+// TODO(edisonn): tool, show what objects were read at least, show the ones not even read
+// keep for each object pos in file
+// plug in for VS? syntax coloring, show selected object ... from the text, or from rendered x,y
+
+// TODO(edisonn): security - validate all the user input, all pdf!
+
+// TODO(edisonn): put drawtext in #ifdefs, so comparations will ignore minor changes in text positioning and font
+// this way, we look more at other features and layout in diffs
+
+// TODO(edisonn): move trace dump in the get functions, and mapper ones too so it ghappens automatically
+/*
+#ifdef PDF_TRACE
+    std::string str;
+    pdfContext->fGraphicsState.fResources->native()->ToString(str);
+    printf("Print Tf Resources: %s\n", str.c_str());
+#endif
+ */
+
+#include "SkPdfHeaders_autogen.h"
+#include "SkPdfMapper_autogen.h"
+#include "SkPdfRenderer.h"
+
+#include "SkPdfBasics.h"
+#include "SkPdfUtils.h"
+
+#include "SkPdfFont.h"
+
+/*
+ * TODO(edisonn):
+ * - all font types and all ppdf font features
+ *      - word spacing
+ *      - load font for baidu.pdf
+ *      - load font for youtube.pdf
+ *      - parser for pdf from the definition already available in pdfspec_autogen.py
+ *      - all docs from ~/work
+ * - encapsulate native in the pdf api so the skpdf does not know anything about native ... in progress
+ * - load gs/ especially smask and already known prop (skp) ... in progress
+ * - wrapper on classes for customizations? e.g.
+ * SkPdfPageObjectVanila - has only the basic loaders/getters
+ * SkPdfPageObject : public SkPdfPageObjectVanila, extends, and I can add customizations here
+ * need to find a nice object model for all this with constructors and factories
+ * - deal with inheritable automatically ?
+ * - deal with specific type in spec directly, add all dictionary types to known types
+*/
+
+using namespace std;
+
+
+
+// TODO(edisonn): Document PdfTokenLooper and subclasses.
+class PdfTokenLooper {
+protected:
+    PdfTokenLooper* fParent;
+    SkPdfNativeTokenizer* fTokenizer;
+    PdfContext* fPdfContext;
+    SkCanvas* fCanvas;
+
+public:
+    PdfTokenLooper(PdfTokenLooper* parent,
+                   SkPdfNativeTokenizer* tokenizer,
+                   PdfContext* pdfContext,
+                   SkCanvas* canvas)
+        : fParent(parent), fTokenizer(tokenizer), fPdfContext(pdfContext), fCanvas(canvas) {}
+
+    virtual ~PdfTokenLooper() {}
+
+    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;
+    }
+};
+
+class PdfMainLooper : public PdfTokenLooper {
+public:
+    PdfMainLooper(PdfTokenLooper* parent,
+                  SkPdfNativeTokenizer* tokenizer,
+                  PdfContext* pdfContext,
+                  SkCanvas* canvas)
+        : PdfTokenLooper(parent, tokenizer, pdfContext, canvas) {}
+
+    virtual PdfResult consumeToken(PdfToken& token);
+    virtual void loop();
+};
+
+class PdfInlineImageLooper : public PdfTokenLooper {
+public:
+    PdfInlineImageLooper()
+        : PdfTokenLooper(NULL, NULL, NULL, NULL) {}
+
+    virtual PdfResult consumeToken(PdfToken& token);
+    virtual void loop();
+    PdfResult done();
+};
+
+class PdfCompatibilitySectionLooper : public PdfTokenLooper {
+public:
+    PdfCompatibilitySectionLooper()
+        : PdfTokenLooper(NULL, NULL, NULL, NULL) {}
+
+    virtual PdfResult consumeToken(PdfToken& token);
+    virtual void loop();
+};
+
+// Utilities
+static void setup_bitmap(SkBitmap* bitmap, int width, int height, SkColor color = SK_ColorWHITE) {
+    bitmap->setConfig(SkBitmap::kARGB_8888_Config, width, height);
+
+    bitmap->allocPixels();
+    bitmap->eraseColor(color);
+}
+
+// TODO(edisonn): synonyms? DeviceRGB and RGB ...
+static int GetColorSpaceComponents(const std::string& colorSpace) {
+    if (colorSpace == "DeviceCMYK") {
+        return 4;
+    } else if (colorSpace == "DeviceGray" ||
+            colorSpace == "CalGray" ||
+            colorSpace == "Indexed") {
+        return 1;
+    } else if (colorSpace == "DeviceRGB" ||
+            colorSpace == "CalRGB" ||
+            colorSpace == "Lab") {
+        return 3;
+    } else {
+        return 0;
+    }
+}
+
+SkMatrix SkMatrixFromPdfMatrix(double array[6]) {
+    SkMatrix matrix;
+    matrix.setAll(SkDoubleToScalar(array[0]),
+                  SkDoubleToScalar(array[2]),
+                  SkDoubleToScalar(array[4]),
+                  SkDoubleToScalar(array[1]),
+                  SkDoubleToScalar(array[3]),
+                  SkDoubleToScalar(array[5]),
+                  SkDoubleToScalar(0),
+                  SkDoubleToScalar(0),
+                  SkDoubleToScalar(1));
+
+    return matrix;
+}
+
+SkMatrix SkMatrixFromPdfArray(SkPdfArray* pdfArray) {
+    double array[6];
+
+    // TODO(edisonn): security issue, ret if size() != 6
+    for (int i = 0; i < 6; i++) {
+        const SkPdfObject* elem = pdfArray->operator [](i);
+        if (elem == NULL || !elem->isNumber()) {
+            return SkMatrix::I();  // TODO(edisonn): report issue
+        }
+        array[i] = elem->numberValue();
+    }
+
+    return SkMatrixFromPdfMatrix(array);
+}
+
+
+extern "C" SkNativeParsedPDF* gDoc;
+SkBitmap* gDumpBitmap = NULL;
+SkCanvas* gDumpCanvas = NULL;
+char gLastKeyword[100] = "";
+int gLastOpKeyword = -1;
+char allOpWithVisualEffects[100] = ",S,s,f,F,f*,B,B*,b,b*,n,Tj,TJ,\',\",d0,d1,sh,EI,Do,EX,";
+int gReadOp = 0;
+
+
+#ifdef PDF_TRACE_DIFF_IN_PNG
+static bool hasVisualEffect(const char* pdfOp) {
+    return true;
+    if (*pdfOp == '\0') return false;
+
+    char markedPdfOp[100] = ",";
+    strcat(markedPdfOp, pdfOp);
+    strcat(markedPdfOp, ",");
+
+    return (strstr(allOpWithVisualEffects, markedPdfOp) != NULL);
+}
+#endif  // PDF_TRACE_DIFF_IN_PNG
+
+
+
+// TODO(edisonn): Pass PdfContext and SkCanvasd only with the define for instrumentation.
+static bool readToken(SkPdfNativeTokenizer* fTokenizer, PdfToken* token) {
+    bool ret = fTokenizer->readToken(token);
+
+    gReadOp++;
+
+#ifdef PDF_TRACE_DIFF_IN_PNG
+    // TODO(edisonn): compare with old bitmap, and save only new bits are available, and save
+    // the numbar and name of last operation, so the file name will reflect op that changed.
+    if (hasVisualEffect(gLastKeyword)) {  // TODO(edisonn): and has dirty bits.
+        gDumpCanvas->flush();
+
+        SkBitmap bitmap;
+        setup_bitmap(&bitmap, gDumpBitmap->width(), gDumpBitmap->height());
+
+        memcpy(bitmap.getPixels(), gDumpBitmap->getPixels(), gDumpBitmap->getSize());
+
+        SkAutoTUnref<SkDevice> device(SkNEW_ARGS(SkDevice, (bitmap)));
+        SkCanvas canvas(device);
+
+        // draw context stuff here
+        SkPaint blueBorder;
+        blueBorder.setColor(SK_ColorBLUE);
+        blueBorder.setStyle(SkPaint::kStroke_Style);
+        blueBorder.setTextSize(SkDoubleToScalar(20));
+
+        SkString str;
+
+        const SkClipStack* clipStack = gDumpCanvas->getClipStack();
+        if (clipStack) {
+            SkClipStack::Iter iter(*clipStack, SkClipStack::Iter::kBottom_IterStart);
+            const SkClipStack::Element* elem;
+            double y = 0;
+            int total = 0;
+            while (elem = iter.next()) {
+                total++;
+                y += 30;
+
+                switch (elem->getType()) {
+                    case SkClipStack::Element::kRect_Type:
+                        canvas.drawRect(elem->getRect(), blueBorder);
+                        canvas.drawText("Rect Clip", strlen("Rect Clip"), SkDoubleToScalar(10), SkDoubleToScalar(y), blueBorder);
+                        break;
+                    case SkClipStack::Element::kPath_Type:
+                        canvas.drawPath(elem->getPath(), blueBorder);
+                        canvas.drawText("Path Clip", strlen("Path Clip"), SkDoubleToScalar(10), SkDoubleToScalar(y), blueBorder);
+                        break;
+                    case SkClipStack::Element::kEmpty_Type:
+                        canvas.drawText("Empty Clip!!!", strlen("Empty Clip!!!"), SkDoubleToScalar(10), SkDoubleToScalar(y), blueBorder);
+                        break;
+                    default:
+                        canvas.drawText("Unkown Clip!!!", strlen("Unkown Clip!!!"), SkDoubleToScalar(10), SkDoubleToScalar(y), blueBorder);
+                        break;
+                }
+            }
+
+            y += 30;
+            str.printf("Number of clips in stack: %i", total);
+            canvas.drawText(str.c_str(), str.size(), SkDoubleToScalar(10), SkDoubleToScalar(y), blueBorder);
+        }
+
+        const SkRegion& clipRegion = gDumpCanvas->getTotalClip();
+        SkPath clipPath;
+        if (clipRegion.getBoundaryPath(&clipPath)) {
+            SkPaint redBorder;
+            redBorder.setColor(SK_ColorRED);
+            redBorder.setStyle(SkPaint::kStroke_Style);
+            canvas.drawPath(clipPath, redBorder);
+        }
+
+        canvas.flush();
+
+        SkString out;
+
+        // TODO(edisonn): get the image, and overlay on top of it, the clip , grafic state, teh stack,
+        // ... and other properties, to be able to debug th code easily
+
+        out.appendf("/usr/local/google/home/edisonn/log_view2/step-%i-%s.png", gLastOpKeyword, gLastKeyword);
+        SkImageEncoder::EncodeFile(out.c_str(), bitmap, SkImageEncoder::kPNG_Type, 100);
+    }
+
+    if (token->fType == kKeyword_TokenType) {
+        strcpy(gLastKeyword, token->fKeyword);
+        gLastOpKeyword = gReadOp;
+    } else {
+        strcpy(gLastKeyword, "");
+    }
+#endif
+
+    return ret;
+}
+
+
+
+typedef PdfResult (*PdfOperatorRenderer)(PdfContext*, SkCanvas*, PdfTokenLooper**);
+
+map<std::string, PdfOperatorRenderer> gPdfOps;
+
+map<std::string, int> gRenderStats[kCount_PdfResult];
+
+const char* gRenderStatsNames[kCount_PdfResult] = {
+    "Success",
+    "Partially implemented",
+    "Not yet implemented",
+    "Ignore Error",
+    "Error",
+    "Unsupported/Unknown"
+};
+
+static PdfResult DrawText(PdfContext* pdfContext,
+                   const SkPdfObject* _str,
+                   SkCanvas* canvas)
+{
+
+    SkPdfFont* skfont = pdfContext->fGraphicsState.fSkFont;
+    if (skfont == NULL) {
+        skfont = SkPdfFont::Default();
+    }
+
+
+    if (_str == NULL || !_str->isAnyString()) {
+        // TODO(edisonn): report warning
+        return kIgnoreError_PdfResult;
+    }
+    const SkPdfString* str = (const SkPdfString*)_str;
+
+    SkUnencodedText binary(str);
+
+    SkDecodedText decoded;
+
+    if (skfont->encoding() == NULL) {
+        // TODO(edisonn): report warning
+        return kNYI_PdfResult;
+    }
+
+    skfont->encoding()->decodeText(binary, &decoded);
+
+    SkPaint paint;
+    // TODO(edisonn): when should fCurFont->GetFontSize() used? When cur is fCurFontSize == 0?
+    // Or maybe just not call setTextSize at all?
+    if (pdfContext->fGraphicsState.fCurFontSize != 0) {
+        paint.setTextSize(SkDoubleToScalar(pdfContext->fGraphicsState.fCurFontSize));
+    }
+
+//    if (fCurFont && fCurFont->GetFontScale() != 0) {
+//        paint.setTextScaleX(SkFloatToScalar(fCurFont->GetFontScale() / 100.0));
+//    }
+
+    pdfContext->fGraphicsState.applyGraphicsState(&paint, false);
+
+    canvas->save();
+
+#if 1
+    SkMatrix matrix = pdfContext->fGraphicsState.fMatrixTm;
+
+    SkPoint point1;
+    pdfContext->fGraphicsState.fMatrixTm.mapXY(SkIntToScalar(0), SkIntToScalar(0), &point1);
+
+    SkMatrix mirror;
+    mirror.setTranslate(0, -point1.y());
+    // TODO(edisonn): fix rotated text, and skewed too
+    mirror.postScale(SK_Scalar1, -SK_Scalar1);
+    // TODO(edisonn): post rotate, skew
+    mirror.postTranslate(0, point1.y());
+
+    matrix.postConcat(mirror);
+
+    canvas->setMatrix(matrix);
+
+    SkTraceMatrix(matrix, "mirrored");
+#endif
+
+    skfont->drawText(decoded, &paint, pdfContext, canvas);
+    canvas->restore();
+
+    return kPartial_PdfResult;
+}
+
+// TODO(edisonn): create header files with declarations!
+PdfResult PdfOp_q(PdfContext* pdfContext, SkCanvas* canvas, PdfTokenLooper** looper);
+PdfResult PdfOp_Q(PdfContext* pdfContext, SkCanvas* canvas, PdfTokenLooper** looper);
+PdfResult PdfOp_Tw(PdfContext* pdfContext, SkCanvas* canvas, PdfTokenLooper** looper);
+PdfResult PdfOp_Tc(PdfContext* pdfContext, SkCanvas* canvas, PdfTokenLooper** looper);
+
+// TODO(edisonn): perf!!!
+
+static SkColorTable* getGrayColortable() {
+    static SkColorTable* grayColortable = NULL;
+    if (grayColortable == NULL) {
+        SkPMColor* colors = new SkPMColor[256];
+        for (int i = 0 ; i < 256; i++) {
+            colors[i] = SkPreMultiplyARGB(255, i, i, i);
+        }
+        grayColortable = new SkColorTable(colors, 256);
+    }
+    return grayColortable;
+}
+
+static SkBitmap transferImageStreamToBitmap(unsigned char* uncompressedStream, size_t uncompressedStreamLength,
+                                     int width, int height, int bytesPerLine,
+                                     int bpc, const std::string& colorSpace,
+                                     bool transparencyMask) {
+    SkBitmap bitmap;
+
+    //int components = GetColorSpaceComponents(colorSpace);
+//#define MAX_COMPONENTS 10
+
+    // TODO(edisonn): assume start of lines are aligned at 32 bits?
+    // Is there a faster way to load the uncompressed stream into a bitmap?
+
+    // minimal support for now
+    if ((colorSpace == "DeviceRGB" || colorSpace == "RGB") && bpc == 8) {
+        SkColor* uncompressedStreamArgb = (SkColor*)malloc(width * height * sizeof(SkColor));
+
+        for (int h = 0 ; h < height; h++) {
+            long i = width * (h);
+            for (int w = 0 ; w < width; w++) {
+                uncompressedStreamArgb[i] = SkColorSetRGB(uncompressedStream[3 * w],
+                                                          uncompressedStream[3 * w + 1],
+                                                          uncompressedStream[3 * w + 2]);
+                i++;
+            }
+            uncompressedStream += bytesPerLine;
+        }
+
+        bitmap.setConfig(SkBitmap::kARGB_8888_Config, width, height);
+        bitmap.setPixels(uncompressedStreamArgb);
+    }
+    else if ((colorSpace == "DeviceGray" || colorSpace == "Gray") && bpc == 8) {
+        unsigned char* uncompressedStreamA8 = (unsigned char*)malloc(width * height);
+
+        for (int h = 0 ; h < height; h++) {
+            long i = width * (h);
+            for (int w = 0 ; w < width; w++) {
+                uncompressedStreamA8[i] = transparencyMask ? 255 - uncompressedStream[w] :
+                                                             uncompressedStream[w];
+                i++;
+            }
+            uncompressedStream += bytesPerLine;
+        }
+
+        bitmap.setConfig(transparencyMask ? SkBitmap::kA8_Config : SkBitmap::kIndex8_Config,
+                         width, height);
+        bitmap.setPixels(uncompressedStreamA8, transparencyMask ? NULL : getGrayColortable());
+    }
+
+    // TODO(edisonn): Report Warning, NYI, or error
+    return bitmap;
+}
+
+// utils
+
+// TODO(edisonn): add cache, or put the bitmap property directly on the PdfObject
+// TODO(edisonn): deal with colorSpaces, we could add them to SkBitmap::Config
+// TODO(edisonn): preserve A1 format that skia knows, + fast convert from 111, 222, 444 to closest
+// skia format, through a table
+
+// this functions returns the image, it does not look at the smask.
+
+static SkBitmap getImageFromObject(PdfContext* pdfContext, SkPdfImageDictionary* image, bool transparencyMask) {
+    if (image == NULL || !image->hasStream()) {
+        // TODO(edisonn): report warning to be used in testing.
+        return SkBitmap();
+    }
+
+    int64_t bpc = image->BitsPerComponent(pdfContext->fPdfDoc);
+    int64_t width = image->Width(pdfContext->fPdfDoc);
+    int64_t height = image->Height(pdfContext->fPdfDoc);
+    std::string colorSpace = "DeviceRGB";
+
+    // TODO(edisonn): color space can be an array too!
+    if (image->isColorSpaceAName(pdfContext->fPdfDoc)) {
+        colorSpace = image->getColorSpaceAsName(pdfContext->fPdfDoc);
+    }
+
+/*
+    bool imageMask = image->imageMask();
+
+    if (imageMask) {
+        if (bpc != 0 && bpc != 1) {
+            // TODO(edisonn): report warning to be used in testing.
+            return SkBitmap();
+        }
+        bpc = 1;
+    }
+*/
+
+    unsigned char* uncompressedStream = NULL;
+    size_t uncompressedStreamLength = 0;
+
+    SkPdfStream* stream = (SkPdfStream*)image;
+
+    if (!stream || !stream->GetFilteredStreamRef(&uncompressedStream, &uncompressedStreamLength, pdfContext->fPdfDoc->allocator()) ||
+            uncompressedStream == NULL || uncompressedStreamLength == 0) {
+        // TODO(edisonn): report warning to be used in testing.
+        return SkBitmap();
+    }
+
+    SkPdfStreamCommonDictionary* streamDict = (SkPdfStreamCommonDictionary*)stream;
+
+    if (streamDict->has_Filter() && ((streamDict->isFilterAName(NULL) &&
+                                          streamDict->getFilterAsName(NULL) == "DCTDecode") ||
+                                     (streamDict->isFilterAArray(NULL) &&
+                                          streamDict->getFilterAsArray(NULL)->size() > 0 &&
+                                          streamDict->getFilterAsArray(NULL)->objAtAIndex(0)->isName() &&
+                                          streamDict->getFilterAsArray(NULL)->objAtAIndex(0)->nameValue2() == "DCTDecode"))) {
+        SkBitmap bitmap;
+        SkImageDecoder::DecodeMemory(uncompressedStream, uncompressedStreamLength, &bitmap);
+        return bitmap;
+    }
+
+
+
+    // TODO (edisonn): Fast Jpeg(DCTDecode) draw, or fast PNG(FlateDecode) draw ...
+//    PdfObject* value = resolveReferenceObject(pdfContext->fPdfDoc,
+//                                              obj.GetDictionary().GetKey(PdfName("Filter")));
+//    if (value && value->IsArray() && value->GetArray().GetSize() == 1) {
+//        value = resolveReferenceObject(pdfContext->fPdfDoc,
+//                                       &value->GetArray()[0]);
+//    }
+//    if (value && value->IsName() && value->GetName().GetName() == "DCTDecode") {
+//        SkStream stream = SkStream::
+//        SkImageDecoder::Factory()
+//    }
+
+    int bytesPerLine = uncompressedStreamLength / height;
+#ifdef PDF_TRACE
+    if (uncompressedStreamLength % height != 0) {
+        printf("Warning uncompressedStreamLength modulo height != 0 !!!\n");
+    }
+#endif
+
+    SkBitmap bitmap = transferImageStreamToBitmap(
+            (unsigned char*)uncompressedStream, uncompressedStreamLength,
+            (int)width, (int)height, bytesPerLine,
+            (int)bpc, colorSpace,
+            transparencyMask);
+
+    return bitmap;
+}
+
+static SkBitmap getSmaskFromObject(PdfContext* pdfContext, SkPdfImageDictionary* obj) {
+    SkPdfImageDictionary* sMask = obj->SMask(pdfContext->fPdfDoc);
+
+    if (sMask) {
+        return getImageFromObject(pdfContext, sMask, true);
+    }
+
+    // TODO(edisonn): implement GS SMask. Default to empty right now.
+    return pdfContext->fGraphicsState.fSMask;
+}
+
+static PdfResult doXObject_Image(PdfContext* pdfContext, SkCanvas* canvas, SkPdfImageDictionary* skpdfimage) {
+    if (skpdfimage == NULL) {
+        return kIgnoreError_PdfResult;
+    }
+
+    SkBitmap image = getImageFromObject(pdfContext, skpdfimage, false);
+    SkBitmap sMask = getSmaskFromObject(pdfContext, skpdfimage);
+
+    canvas->save();
+    canvas->setMatrix(pdfContext->fGraphicsState.fMatrix);
+
+#if 1
+    SkScalar z = SkIntToScalar(0);
+    SkScalar one = SkIntToScalar(1);
+
+    SkPoint from[4] = {SkPoint::Make(z, z), SkPoint::Make(one, z), SkPoint::Make(one, one), SkPoint::Make(z, one)};
+    SkPoint to[4] = {SkPoint::Make(z, one), SkPoint::Make(one, one), SkPoint::Make(one, z), SkPoint::Make(z, z)};
+    SkMatrix flip;
+    SkAssertResult(flip.setPolyToPoly(from, to, 4));
+    SkMatrix solveImageFlip = pdfContext->fGraphicsState.fMatrix;
+    solveImageFlip.preConcat(flip);
+    canvas->setMatrix(solveImageFlip);
+#endif
+
+    SkRect dst = SkRect::MakeXYWH(SkDoubleToScalar(0.0), SkDoubleToScalar(0.0), SkDoubleToScalar(1.0), SkDoubleToScalar(1.0));
+
+    if (sMask.empty()) {
+        canvas->drawBitmapRect(image, dst, NULL);
+    } else {
+        canvas->saveLayer(&dst, NULL);
+        canvas->drawBitmapRect(image, dst, NULL);
+        SkPaint xfer;
+        pdfContext->fGraphicsState.applyGraphicsState(&xfer, false);
+        xfer.setXfermodeMode(SkXfermode::kSrcOut_Mode); // SkXfermode::kSdtOut_Mode
+        canvas->drawBitmapRect(sMask, dst, &xfer);
+        canvas->restore();
+    }
+
+    canvas->restore();
+
+    return kPartial_PdfResult;
+}
+
+
+
+
+static PdfResult doXObject_Form(PdfContext* pdfContext, SkCanvas* canvas, SkPdfType1FormDictionary* skobj) {
+    if (!skobj || !skobj->hasStream()) {
+        return kIgnoreError_PdfResult;
+    }
+
+    PdfOp_q(pdfContext, canvas, NULL);
+    canvas->save();
+
+
+    if (skobj->Resources(pdfContext->fPdfDoc)) {
+        pdfContext->fGraphicsState.fResources = skobj->Resources(pdfContext->fPdfDoc);
+    }
+
+    SkTraceMatrix(pdfContext->fGraphicsState.fMatrix, "Current matrix");
+
+    if (skobj->has_Matrix()) {
+        pdfContext->fGraphicsState.fMatrix.preConcat(skobj->Matrix(pdfContext->fPdfDoc));
+        pdfContext->fGraphicsState.fMatrixTm = pdfContext->fGraphicsState.fMatrix;
+        pdfContext->fGraphicsState.fMatrixTlm = pdfContext->fGraphicsState.fMatrix;
+        // TODO(edisonn) reset matrixTm and matricTlm also?
+    }
+
+    SkTraceMatrix(pdfContext->fGraphicsState.fMatrix, "Total matrix");
+
+    canvas->setMatrix(pdfContext->fGraphicsState.fMatrix);
+
+    if (skobj->has_BBox()) {
+        canvas->clipRect(skobj->BBox(pdfContext->fPdfDoc), SkRegion::kIntersect_Op, true);  // TODO(edisonn): AA from settings.
+    }
+
+    // TODO(edisonn): iterate smart on the stream even if it is compressed, tokenize it as we go.
+    // For this PdfContentsTokenizer needs to be extended.
+
+    SkPdfStream* stream = (SkPdfStream*)skobj;
+
+    SkPdfNativeTokenizer* tokenizer = pdfContext->fPdfDoc->tokenizerOfStream(stream);
+    if (tokenizer != NULL) {
+        PdfMainLooper looper(NULL, tokenizer, pdfContext, canvas);
+        looper.loop();
+        delete tokenizer;
+    }
+
+    // TODO(edisonn): should we restore the variable stack at the same state?
+    // There could be operands left, that could be consumed by a parent tokenizer when we pop.
+    canvas->restore();
+    PdfOp_Q(pdfContext, canvas, NULL);
+    return kPartial_PdfResult;
+}
+
+//static PdfResult doXObject_PS(PdfContext* pdfContext, SkCanvas* canvas, const SkPdfObject* obj) {
+//    return kNYI_PdfResult;
+//}
+
+PdfResult doType3Char(PdfContext* pdfContext, SkCanvas* canvas, const SkPdfObject* skobj, SkRect bBox, SkMatrix matrix, double textSize) {
+    if (!skobj || !skobj->hasStream()) {
+        return kIgnoreError_PdfResult;
+    }
+
+    PdfOp_q(pdfContext, canvas, NULL);
+    canvas->save();
+
+    pdfContext->fGraphicsState.fMatrixTm.preConcat(matrix);
+    pdfContext->fGraphicsState.fMatrixTm.preScale(SkDoubleToScalar(textSize), SkDoubleToScalar(textSize));
+
+    pdfContext->fGraphicsState.fMatrix = pdfContext->fGraphicsState.fMatrixTm;
+    pdfContext->fGraphicsState.fMatrixTlm = pdfContext->fGraphicsState.fMatrix;
+
+    SkTraceMatrix(pdfContext->fGraphicsState.fMatrix, "Total matrix");
+
+    canvas->setMatrix(pdfContext->fGraphicsState.fMatrix);
+
+    SkRect rm = bBox;
+    pdfContext->fGraphicsState.fMatrix.mapRect(&rm);
+
+    SkTraceRect(rm, "bbox mapped");
+
+    canvas->clipRect(bBox, SkRegion::kIntersect_Op, true);  // TODO(edisonn): AA from settings.
+
+    // TODO(edisonn): iterate smart on the stream even if it is compressed, tokenize it as we go.
+    // For this PdfContentsTokenizer needs to be extended.
+
+    SkPdfStream* stream = (SkPdfStream*)skobj;
+
+    SkPdfNativeTokenizer* tokenizer = pdfContext->fPdfDoc->tokenizerOfStream(stream);
+    if (tokenizer != NULL) {
+        PdfMainLooper looper(NULL, tokenizer, pdfContext, canvas);
+        looper.loop();
+        delete tokenizer;
+    }
+
+    // TODO(edisonn): should we restore the variable stack at the same state?
+    // There could be operands left, that could be consumed by a parent tokenizer when we pop.
+    canvas->restore();
+    PdfOp_Q(pdfContext, canvas, NULL);
+
+    return kPartial_PdfResult;
+}
+
+
+// TODO(edisonn): make sure the pointer is unique
+std::set<const SkPdfObject*> gInRendering;
+
+class CheckRecursiveRendering {
+    const SkPdfObject* fUniqueData;
+public:
+    CheckRecursiveRendering(const SkPdfObject* obj) : fUniqueData(obj) {
+        gInRendering.insert(obj);
+    }
+
+    ~CheckRecursiveRendering() {
+        //SkASSERT(fObj.fInRendering);
+        gInRendering.erase(fUniqueData);
+    }
+
+    static bool IsInRendering(const SkPdfObject* obj) {
+        return gInRendering.find(obj) != gInRendering.end();
+    }
+};
+
+static PdfResult doXObject(PdfContext* pdfContext, SkCanvas* canvas, const SkPdfObject* obj) {
+    if (CheckRecursiveRendering::IsInRendering(obj)) {
+        // Oops, corrupt PDF!
+        return kIgnoreError_PdfResult;
+    }
+
+    CheckRecursiveRendering checkRecursion(obj);
+
+    switch (pdfContext->fPdfDoc->mapper()->mapXObjectDictionary(obj))
+    {
+        case kImageDictionary_SkPdfObjectType:
+            return doXObject_Image(pdfContext, canvas, (SkPdfImageDictionary*)obj);
+        case kType1FormDictionary_SkPdfObjectType:
+            return doXObject_Form(pdfContext, canvas, (SkPdfType1FormDictionary*)obj);
+        //case kObjectDictionaryXObjectPS_SkPdfObjectType:
+            //return doXObject_PS(skxobj.asPS());
+        default:
+            return kIgnoreError_PdfResult;
+    }
+}
+
+PdfResult PdfOp_q(PdfContext* pdfContext, SkCanvas* canvas, PdfTokenLooper** looper) {
+    pdfContext->fStateStack.push(pdfContext->fGraphicsState);
+    canvas->save();
+    return kOK_PdfResult;
+}
+
+PdfResult PdfOp_Q(PdfContext* pdfContext, SkCanvas* canvas, PdfTokenLooper** looper) {
+    pdfContext->fGraphicsState = pdfContext->fStateStack.top();
+    pdfContext->fStateStack.pop();
+    canvas->restore();
+    return kOK_PdfResult;
+}
+
+static PdfResult PdfOp_cm(PdfContext* pdfContext, SkCanvas* canvas, PdfTokenLooper** looper) {
+    double array[6];
+    for (int i = 0 ; i < 6 ; i++) {
+        array[5 - i] = pdfContext->fObjectStack.top()->numberValue();
+        pdfContext->fObjectStack.pop();
+    }
+
+    // a b
+    // c d
+    // e f
+
+    // 0 1
+    // 2 3
+    // 4 5
+
+    // sx ky
+    // kx sy
+    // tx ty
+    SkMatrix matrix = SkMatrixFromPdfMatrix(array);
+
+    pdfContext->fGraphicsState.fMatrix.preConcat(matrix);
+
+#ifdef PDF_TRACE
+    printf("cm ");
+    for (int i = 0 ; i < 6 ; i++) {
+        printf("%f ", array[i]);
+    }
+    printf("\n");
+    SkTraceMatrix(pdfContext->fGraphicsState.fMatrix, "cm");
+#endif
+
+    return kOK_PdfResult;
+}
+
+//leading TL Set the text leading, Tl
+//, to leading, which is a number expressed in unscaled text
+//space units. Text leading is used only by the T*, ', and " operators. Initial value: 0.
+static PdfResult PdfOp_TL(PdfContext* pdfContext, SkCanvas* canvas, PdfTokenLooper** looper) {
+    double ty = pdfContext->fObjectStack.top()->numberValue();   pdfContext->fObjectStack.pop();
+
+    pdfContext->fGraphicsState.fTextLeading = ty;
+
+    return kOK_PdfResult;
+}
+
+static PdfResult PdfOp_Td(PdfContext* pdfContext, SkCanvas* canvas, PdfTokenLooper** looper) {
+    double ty = pdfContext->fObjectStack.top()->numberValue(); pdfContext->fObjectStack.pop();
+    double tx = pdfContext->fObjectStack.top()->numberValue(); pdfContext->fObjectStack.pop();
+
+    double array[6] = {1, 0, 0, 1, tx, ty};
+    SkMatrix matrix = SkMatrixFromPdfMatrix(array);
+
+    pdfContext->fGraphicsState.fMatrixTm.preConcat(matrix);
+    pdfContext->fGraphicsState.fMatrixTlm.preConcat(matrix);
+
+    return kPartial_PdfResult;
+}
+
+static PdfResult PdfOp_TD(PdfContext* pdfContext, SkCanvas* canvas, PdfTokenLooper** looper) {
+    double ty = pdfContext->fObjectStack.top()->numberValue(); pdfContext->fObjectStack.pop();
+    double tx = pdfContext->fObjectStack.top()->numberValue(); pdfContext->fObjectStack.pop();
+
+    // TODO(edisonn): Create factory methods or constructors so native is hidden
+    SkPdfReal* _ty = pdfContext->fPdfDoc->createReal(-ty);
+    pdfContext->fObjectStack.push(_ty);
+
+    PdfOp_TL(pdfContext, canvas, looper);
+
+    SkPdfReal* vtx = pdfContext->fPdfDoc->createReal(tx);
+    pdfContext->fObjectStack.push(vtx);
+
+    SkPdfReal* vty = pdfContext->fPdfDoc->createReal(ty);
+    pdfContext->fObjectStack.push(vty);
+
+    PdfResult ret = PdfOp_Td(pdfContext, canvas, looper);
+
+    // TODO(edisonn): delete all the objects after rendering was complete, in this way pdf is rendered faster
+    // and the cleanup can happen while the user looks at the image
+    delete _ty;
+    delete vtx;
+    delete vty;
+
+    return ret;
+}
+
+static PdfResult PdfOp_Tm(PdfContext* pdfContext, SkCanvas* canvas, PdfTokenLooper** looper) {
+    double f = pdfContext->fObjectStack.top()->numberValue(); pdfContext->fObjectStack.pop();
+    double e = pdfContext->fObjectStack.top()->numberValue(); pdfContext->fObjectStack.pop();
+    double d = pdfContext->fObjectStack.top()->numberValue(); pdfContext->fObjectStack.pop();
+    double c = pdfContext->fObjectStack.top()->numberValue(); pdfContext->fObjectStack.pop();
+    double b = pdfContext->fObjectStack.top()->numberValue(); pdfContext->fObjectStack.pop();
+    double a = pdfContext->fObjectStack.top()->numberValue(); pdfContext->fObjectStack.pop();
+
+    double array[6];
+    array[0] = a;
+    array[1] = b;
+    array[2] = c;
+    array[3] = d;
+    array[4] = e;
+    array[5] = f;
+
+    SkMatrix matrix = SkMatrixFromPdfMatrix(array);
+    matrix.postConcat(pdfContext->fGraphicsState.fMatrix);
+
+    // TODO(edisonn): Text positioning.
+    pdfContext->fGraphicsState.fMatrixTm = matrix;
+    pdfContext->fGraphicsState.fMatrixTlm = matrix;;
+
+    return kPartial_PdfResult;
+}
+
+//— T* Move to the start of the next line. This operator has the same effect as the code
+//0 Tl Td
+//where Tl is the current leading parameter in the text state
+static PdfResult PdfOp_T_star(PdfContext* pdfContext, SkCanvas* canvas, PdfTokenLooper** looper) {
+    SkPdfReal* zero = pdfContext->fPdfDoc->createReal(0.0);
+    SkPdfReal* tl = pdfContext->fPdfDoc->createReal(pdfContext->fGraphicsState.fTextLeading);
+
+    pdfContext->fObjectStack.push(zero);
+    pdfContext->fObjectStack.push(tl);
+
+    PdfResult ret = PdfOp_Td(pdfContext, canvas, looper);
+
+    delete zero;  // TODO(edisonn): do not alocate and delete constants!
+    delete tl;
+
+    return ret;
+}
+
+static PdfResult PdfOp_m(PdfContext* pdfContext, SkCanvas* canvas, PdfTokenLooper** looper) {
+    if (pdfContext->fGraphicsState.fPathClosed) {
+        pdfContext->fGraphicsState.fPath.reset();
+        pdfContext->fGraphicsState.fPathClosed = false;
+    }
+
+    pdfContext->fGraphicsState.fCurPosY = pdfContext->fObjectStack.top()->numberValue();    pdfContext->fObjectStack.pop();
+    pdfContext->fGraphicsState.fCurPosX = pdfContext->fObjectStack.top()->numberValue();    pdfContext->fObjectStack.pop();
+
+    pdfContext->fGraphicsState.fPath.moveTo(SkDoubleToScalar(pdfContext->fGraphicsState.fCurPosX),
+                                          SkDoubleToScalar(pdfContext->fGraphicsState.fCurPosY));
+
+    return kOK_PdfResult;
+}
+
+static PdfResult PdfOp_l(PdfContext* pdfContext, SkCanvas* canvas, PdfTokenLooper** looper) {
+    if (pdfContext->fGraphicsState.fPathClosed) {
+        pdfContext->fGraphicsState.fPath.reset();
+        pdfContext->fGraphicsState.fPathClosed = false;
+    }
+
+    pdfContext->fGraphicsState.fCurPosY = pdfContext->fObjectStack.top()->numberValue();    pdfContext->fObjectStack.pop();
+    pdfContext->fGraphicsState.fCurPosX = pdfContext->fObjectStack.top()->numberValue();    pdfContext->fObjectStack.pop();
+
+    pdfContext->fGraphicsState.fPath.lineTo(SkDoubleToScalar(pdfContext->fGraphicsState.fCurPosX),
+                                          SkDoubleToScalar(pdfContext->fGraphicsState.fCurPosY));
+
+    return kOK_PdfResult;
+}
+
+static PdfResult PdfOp_c(PdfContext* pdfContext, SkCanvas* canvas, PdfTokenLooper** looper) {
+    if (pdfContext->fGraphicsState.fPathClosed) {
+        pdfContext->fGraphicsState.fPath.reset();
+        pdfContext->fGraphicsState.fPathClosed = false;
+    }
+
+    double y3 = pdfContext->fObjectStack.top()->numberValue();    pdfContext->fObjectStack.pop();
+    double x3 = pdfContext->fObjectStack.top()->numberValue();    pdfContext->fObjectStack.pop();
+    double y2 = pdfContext->fObjectStack.top()->numberValue();    pdfContext->fObjectStack.pop();
+    double x2 = pdfContext->fObjectStack.top()->numberValue();    pdfContext->fObjectStack.pop();
+    double y1 = pdfContext->fObjectStack.top()->numberValue();    pdfContext->fObjectStack.pop();
+    double x1 = pdfContext->fObjectStack.top()->numberValue();    pdfContext->fObjectStack.pop();
+
+    pdfContext->fGraphicsState.fPath.cubicTo(SkDoubleToScalar(x1), SkDoubleToScalar(y1),
+                                            SkDoubleToScalar(x2), SkDoubleToScalar(y2),
+                                            SkDoubleToScalar(x3), SkDoubleToScalar(y3));
+
+    pdfContext->fGraphicsState.fCurPosX = x3;
+    pdfContext->fGraphicsState.fCurPosY = y3;
+
+    return kOK_PdfResult;
+}
+
+static PdfResult PdfOp_v(PdfContext* pdfContext, SkCanvas* canvas, PdfTokenLooper** looper) {
+    if (pdfContext->fGraphicsState.fPathClosed) {
+        pdfContext->fGraphicsState.fPath.reset();
+        pdfContext->fGraphicsState.fPathClosed = false;
+    }
+
+    double y3 = pdfContext->fObjectStack.top()->numberValue();    pdfContext->fObjectStack.pop();
+    double x3 = pdfContext->fObjectStack.top()->numberValue();    pdfContext->fObjectStack.pop();
+    double y2 = pdfContext->fObjectStack.top()->numberValue();    pdfContext->fObjectStack.pop();
+    double x2 = pdfContext->fObjectStack.top()->numberValue();    pdfContext->fObjectStack.pop();
+    double y1 = pdfContext->fGraphicsState.fCurPosY;
+    double x1 = pdfContext->fGraphicsState.fCurPosX;
+
+    pdfContext->fGraphicsState.fPath.cubicTo(SkDoubleToScalar(x1), SkDoubleToScalar(y1),
+                                            SkDoubleToScalar(x2), SkDoubleToScalar(y2),
+                                            SkDoubleToScalar(x3), SkDoubleToScalar(y3));
+
+    pdfContext->fGraphicsState.fCurPosX = x3;
+    pdfContext->fGraphicsState.fCurPosY = y3;
+
+    return kOK_PdfResult;
+}
+
+static PdfResult PdfOp_y(PdfContext* pdfContext, SkCanvas* canvas, PdfTokenLooper** looper) {
+    if (pdfContext->fGraphicsState.fPathClosed) {
+        pdfContext->fGraphicsState.fPath.reset();
+        pdfContext->fGraphicsState.fPathClosed = false;
+    }
+
+    double y3 = pdfContext->fObjectStack.top()->numberValue();    pdfContext->fObjectStack.pop();
+    double x3 = pdfContext->fObjectStack.top()->numberValue();    pdfContext->fObjectStack.pop();
+    double y2 = pdfContext->fGraphicsState.fCurPosY;
+    double x2 = pdfContext->fGraphicsState.fCurPosX;
+    double y1 = pdfContext->fObjectStack.top()->numberValue();    pdfContext->fObjectStack.pop();
+    double x1 = pdfContext->fObjectStack.top()->numberValue();    pdfContext->fObjectStack.pop();
+
+    pdfContext->fGraphicsState.fPath.cubicTo(SkDoubleToScalar(x1), SkDoubleToScalar(y1),
+                                            SkDoubleToScalar(x2), SkDoubleToScalar(y2),
+                                            SkDoubleToScalar(x3), SkDoubleToScalar(y3));
+
+    pdfContext->fGraphicsState.fCurPosX = x3;
+    pdfContext->fGraphicsState.fCurPosY = y3;
+
+    return kOK_PdfResult;
+}
+
+static PdfResult PdfOp_re(PdfContext* pdfContext, SkCanvas* canvas, PdfTokenLooper** looper) {
+    if (pdfContext->fGraphicsState.fPathClosed) {
+        pdfContext->fGraphicsState.fPath.reset();
+        pdfContext->fGraphicsState.fPathClosed = false;
+    }
+
+    double height = pdfContext->fObjectStack.top()->numberValue();      pdfContext->fObjectStack.pop();
+    double width = pdfContext->fObjectStack.top()->numberValue();       pdfContext->fObjectStack.pop();
+    double y = pdfContext->fObjectStack.top()->numberValue();           pdfContext->fObjectStack.pop();
+    double x = pdfContext->fObjectStack.top()->numberValue();           pdfContext->fObjectStack.pop();
+
+    pdfContext->fGraphicsState.fPath.addRect(SkDoubleToScalar(x), SkDoubleToScalar(y),
+                                           SkDoubleToScalar(x + width), SkDoubleToScalar(y + height));
+
+    pdfContext->fGraphicsState.fCurPosX = x;
+    pdfContext->fGraphicsState.fCurPosY = y + height;
+
+    return kOK_PdfResult;
+}
+
+static PdfResult PdfOp_h(PdfContext* pdfContext, SkCanvas* canvas, PdfTokenLooper** looper) {
+    pdfContext->fGraphicsState.fPath.close();
+    return kOK_PdfResult;
+}
+
+static PdfResult PdfOp_fillAndStroke(PdfContext* pdfContext, SkCanvas* canvas, bool fill, bool stroke, bool close, bool evenOdd) {
+    SkPath path = pdfContext->fGraphicsState.fPath;
+
+    if (close) {
+        path.close();
+    }
+
+    canvas->setMatrix(pdfContext->fGraphicsState.fMatrix);
+
+    SkPaint paint;
+
+    SkPoint line[2];
+    if (fill && !stroke && path.isLine(line)) {
+        paint.setStyle(SkPaint::kStroke_Style);
+
+        pdfContext->fGraphicsState.applyGraphicsState(&paint, false);
+        paint.setStrokeWidth(SkDoubleToScalar(0));
+
+        canvas->drawPath(path, paint);
+    } else {
+        if (fill) {
+            paint.setStyle(SkPaint::kFill_Style);
+            if (evenOdd) {
+                path.setFillType(SkPath::kEvenOdd_FillType);
+            }
+
+            pdfContext->fGraphicsState.applyGraphicsState(&paint, false);
+
+            canvas->drawPath(path, paint);
+        }
+
+        if (stroke) {
+            paint.setStyle(SkPaint::kStroke_Style);
+
+            pdfContext->fGraphicsState.applyGraphicsState(&paint, true);
+
+            path.setFillType(SkPath::kWinding_FillType);  // reset it, just in case it messes up the stroke
+            canvas->drawPath(path, paint);
+        }
+    }
+
+    pdfContext->fGraphicsState.fPath.reset();
+    // todo zoom ... other stuff ?
+
+    if (pdfContext->fGraphicsState.fHasClipPathToApply) {
+#ifndef PDF_DEBUG_NO_CLIPING
+        canvas->clipPath(pdfContext->fGraphicsState.fClipPath, SkRegion::kIntersect_Op, true);
+#endif
+    }
+
+    //pdfContext->fGraphicsState.fClipPath.reset();
+    pdfContext->fGraphicsState.fHasClipPathToApply = false;
+
+    return kPartial_PdfResult;
+
+}
+
+static PdfResult PdfOp_S(PdfContext* pdfContext, SkCanvas* canvas, PdfTokenLooper** looper) {
+    return PdfOp_fillAndStroke(pdfContext, canvas, false, true, false, false);
+}
+
+static PdfResult PdfOp_s(PdfContext* pdfContext, SkCanvas* canvas, PdfTokenLooper** looper) {
+    return PdfOp_fillAndStroke(pdfContext, canvas, false, true, true, false);
+}
+
+static PdfResult PdfOp_F(PdfContext* pdfContext, SkCanvas* canvas, PdfTokenLooper** looper) {
+    return PdfOp_fillAndStroke(pdfContext, canvas, true, false, false, false);
+}
+
+static PdfResult PdfOp_f(PdfContext* pdfContext, SkCanvas* canvas, PdfTokenLooper** looper) {
+    return PdfOp_fillAndStroke(pdfContext, canvas, true, false, false, false);
+}
+
+static PdfResult PdfOp_f_star(PdfContext* pdfContext, SkCanvas* canvas, PdfTokenLooper** looper) {
+    return PdfOp_fillAndStroke(pdfContext, canvas, true, false, false, true);
+}
+
+static PdfResult PdfOp_B(PdfContext* pdfContext, SkCanvas* canvas, PdfTokenLooper** looper) {
+    return PdfOp_fillAndStroke(pdfContext, canvas, true, true, false, false);
+}
+
+static PdfResult PdfOp_B_star(PdfContext* pdfContext, SkCanvas* canvas, PdfTokenLooper** looper) {
+    return PdfOp_fillAndStroke(pdfContext, canvas, true, true, false, true);
+}
+
+static PdfResult PdfOp_b(PdfContext* pdfContext, SkCanvas* canvas, PdfTokenLooper** looper) {
+    return PdfOp_fillAndStroke(pdfContext, canvas, true, true, true, false);
+}
+
+static PdfResult PdfOp_b_star(PdfContext* pdfContext, SkCanvas* canvas, PdfTokenLooper** looper) {
+    return PdfOp_fillAndStroke(pdfContext, canvas, true, true, true, true);
+}
+
+static PdfResult PdfOp_n(PdfContext* pdfContext, SkCanvas* canvas, PdfTokenLooper** looper) {
+    canvas->setMatrix(pdfContext->fGraphicsState.fMatrix);
+    if (pdfContext->fGraphicsState.fHasClipPathToApply) {
+#ifndef PDF_DEBUG_NO_CLIPING
+        canvas->clipPath(pdfContext->fGraphicsState.fClipPath, SkRegion::kIntersect_Op, true);
+#endif
+    }
+
+    //pdfContext->fGraphicsState.fClipPath.reset();
+    pdfContext->fGraphicsState.fHasClipPathToApply = false;
+
+    pdfContext->fGraphicsState.fPathClosed = true;
+
+    return kOK_PdfResult;
+}
+
+static PdfResult PdfOp_BT(PdfContext* pdfContext, SkCanvas* canvas, PdfTokenLooper** looper) {
+    pdfContext->fGraphicsState.fTextBlock   = true;
+    pdfContext->fGraphicsState.fMatrixTm = pdfContext->fGraphicsState.fMatrix;
+    pdfContext->fGraphicsState.fMatrixTlm = pdfContext->fGraphicsState.fMatrix;
+
+    return kPartial_PdfResult;
+}
+
+static PdfResult PdfOp_ET(PdfContext* pdfContext, SkCanvas* canvas, PdfTokenLooper** looper) {
+    if (!pdfContext->fGraphicsState.fTextBlock) {
+        return kIgnoreError_PdfResult;
+    }
+    // TODO(edisonn): anything else to be done once we are done with draw text? Like restore stack?
+    return kPartial_PdfResult;
+}
+
+//font size Tf Set the text font, Tf
+//, to font and the text font size, Tfs, to size. font is the name of a
+//font resource in the Fontsubdictionary of the current resource dictionary; size is
+//a number representing a scale factor. There is no initial value for either font or
+//size; they must be speciﬁed explicitly using Tf before any text is shown.
+static PdfResult PdfOp_Tf(PdfContext* pdfContext, SkCanvas* canvas, PdfTokenLooper** looper) {
+    pdfContext->fGraphicsState.fCurFontSize = pdfContext->fObjectStack.top()->numberValue();     pdfContext->fObjectStack.pop();
+    const char* fontName = pdfContext->fObjectStack.top()->nameValue();                           pdfContext->fObjectStack.pop();
+
+#ifdef PDF_TRACE
+    printf("font name: %s\n", fontName);
+#endif
+
+    if (pdfContext->fGraphicsState.fResources->Font(pdfContext->fPdfDoc)) {
+        SkPdfObject* objFont = pdfContext->fGraphicsState.fResources->Font(pdfContext->fPdfDoc)->get(fontName);
+        objFont = pdfContext->fPdfDoc->resolveReference(objFont);
+        if (kNone_SkPdfObjectType == pdfContext->fPdfDoc->mapper()->mapFontDictionary(objFont)) {
+            // TODO(edisonn): try to recover and draw it any way?
+            return kIgnoreError_PdfResult;
+        }
+        SkPdfFontDictionary* fd = (SkPdfFontDictionary*)objFont;
+
+        SkPdfFont* skfont = SkPdfFont::fontFromPdfDictionary(pdfContext->fPdfDoc, fd);
+
+        if (skfont) {
+            pdfContext->fGraphicsState.fSkFont = skfont;
+        }
+    }
+    return kIgnoreError_PdfResult;
+}
+
+static PdfResult PdfOp_Tj(PdfContext* pdfContext, SkCanvas* canvas, PdfTokenLooper** looper) {
+    if (!pdfContext->fGraphicsState.fTextBlock) {
+        // TODO(edisonn): try to recover and draw it any way?
+        return kIgnoreError_PdfResult;
+    }
+
+    PdfResult ret = DrawText(pdfContext,
+                             pdfContext->fObjectStack.top(),
+                             canvas);
+    pdfContext->fObjectStack.pop();
+
+    return ret;
+}
+
+static PdfResult PdfOp_quote(PdfContext* pdfContext, SkCanvas* canvas, PdfTokenLooper** looper) {
+    if (!pdfContext->fGraphicsState.fTextBlock) {
+        // TODO(edisonn): try to recover and draw it any way?
+        return kIgnoreError_PdfResult;
+    }
+
+    PdfOp_T_star(pdfContext, canvas, looper);
+    // Do not pop, and push, just transfer the param to Tj
+    return PdfOp_Tj(pdfContext, canvas, looper);
+}
+
+static PdfResult PdfOp_doublequote(PdfContext* pdfContext, SkCanvas* canvas, PdfTokenLooper** looper) {
+    if (!pdfContext->fGraphicsState.fTextBlock) {
+        // TODO(edisonn): try to recover and draw it any way?
+        return kIgnoreError_PdfResult;
+    }
+
+    SkPdfObject* str = pdfContext->fObjectStack.top();       pdfContext->fObjectStack.pop();
+    SkPdfObject* ac = pdfContext->fObjectStack.top();        pdfContext->fObjectStack.pop();
+    SkPdfObject* aw = pdfContext->fObjectStack.top();        pdfContext->fObjectStack.pop();
+
+    pdfContext->fObjectStack.push(aw);
+    PdfOp_Tw(pdfContext, canvas, looper);
+
+    pdfContext->fObjectStack.push(ac);
+    PdfOp_Tc(pdfContext, canvas, looper);
+
+    pdfContext->fObjectStack.push(str);
+    PdfOp_quote(pdfContext, canvas, looper);
+
+    return kPartial_PdfResult;
+}
+
+static PdfResult PdfOp_TJ(PdfContext* pdfContext, SkCanvas* canvas, PdfTokenLooper** looper) {
+    if (!pdfContext->fGraphicsState.fTextBlock) {
+        // TODO(edisonn): try to recover and draw it any way?
+        return kIgnoreError_PdfResult;
+    }
+
+    SkPdfArray* array = (SkPdfArray*)pdfContext->fObjectStack.top();
+    pdfContext->fObjectStack.pop();
+
+    if (!array->isArray()) {
+        return kIgnoreError_PdfResult;
+    }
+
+    for( int i=0; i<static_cast<int>(array->size()); i++ )
+    {
+        if( (*array)[i]->isAnyString()) {
+            SkPdfObject* obj = (*array)[i];
+            DrawText(pdfContext,
+                     obj,
+                     canvas);
+        } else if ((*array)[i]->isNumber()) {
+            double dx = (*array)[i]->numberValue();
+            SkMatrix matrix;
+            matrix.setAll(SkDoubleToScalar(1),
+                          SkDoubleToScalar(0),
+                          // TODO(edisonn): use writing mode, vertical/horizontal.
+                          SkDoubleToScalar(-dx),  // amount is substracted!!!
+                          SkDoubleToScalar(0),
+                          SkDoubleToScalar(1),
+                          SkDoubleToScalar(0),
+                          SkDoubleToScalar(0),
+                          SkDoubleToScalar(0),
+                          SkDoubleToScalar(1));
+
+            pdfContext->fGraphicsState.fMatrixTm.preConcat(matrix);
+        }
+    }
+    return kPartial_PdfResult;  // TODO(edisonn): Implement fully DrawText before returing OK.
+}
+
+static PdfResult PdfOp_CS_cs(PdfContext* pdfContext, SkCanvas* canvas, SkPdfColorOperator* colorOperator) {
+    colorOperator->fColorSpace = pdfContext->fObjectStack.top()->nameValue();    pdfContext->fObjectStack.pop();
+    return kOK_PdfResult;
+}
+
+static PdfResult PdfOp_CS(PdfContext* pdfContext, SkCanvas* canvas, PdfTokenLooper** looper) {
+    return PdfOp_CS_cs(pdfContext, canvas, &pdfContext->fGraphicsState.fStroking);
+}
+
+static PdfResult PdfOp_cs(PdfContext* pdfContext, SkCanvas* canvas, PdfTokenLooper** looper) {
+    return PdfOp_CS_cs(pdfContext, canvas, &pdfContext->fGraphicsState.fNonStroking);
+}
+
+static PdfResult PdfOp_SC_sc(PdfContext* pdfContext, SkCanvas* canvas, SkPdfColorOperator* colorOperator) {
+    double c[4];
+//    int64_t v[4];
+
+    int n = GetColorSpaceComponents(colorOperator->fColorSpace);
+
+    bool doubles = true;
+    if (strcmp(colorOperator->fColorSpace, "Indexed") == 0) {
+        doubles = false;
+    }
+
+#ifdef PDF_TRACE
+    printf("color space = %s, N = %i\n", colorOperator->fColorSpace, n);
+#endif
+
+    for (int i = n - 1; i >= 0 ; i--) {
+        if (doubles) {
+            c[i] = pdfContext->fObjectStack.top()->numberValue();         pdfContext->fObjectStack.pop();
+//        } else {
+//            v[i] = pdfContext->fObjectStack.top()->intValue();        pdfContext->fObjectStack.pop();
+        }
+    }
+
+    // TODO(edisonn): Now, set that color. Only DeviceRGB supported.
+    // TODO(edisonn): do possible field values to enum at parsing time!
+    // TODO(edisonn): support also abreviations /DeviceRGB == /RGB
+    if (strcmp(colorOperator->fColorSpace, "DeviceRGB") == 0 || strcmp(colorOperator->fColorSpace, "RGB") == 0) {
+        colorOperator->setRGBColor(SkColorSetRGB(255*c[0], 255*c[1], 255*c[2]));
+    }
+    return kPartial_PdfResult;
+}
+
+static PdfResult PdfOp_SC(PdfContext* pdfContext, SkCanvas* canvas, PdfTokenLooper** looper) {
+    return PdfOp_SC_sc(pdfContext, canvas, &pdfContext->fGraphicsState.fStroking);
+}
+
+static PdfResult PdfOp_sc(PdfContext* pdfContext, SkCanvas* canvas, PdfTokenLooper** looper) {
+    return PdfOp_SC_sc(pdfContext, canvas, &pdfContext->fGraphicsState.fNonStroking);
+}
+
+static PdfResult PdfOp_SCN_scn(PdfContext* pdfContext, SkCanvas* canvas, SkPdfColorOperator* colorOperator) {
+    //SkPdfString* name;
+    if (pdfContext->fObjectStack.top()->isName()) {
+        // TODO(edisonn): get name, pass it
+        pdfContext->fObjectStack.pop();
+    }
+
+    // TODO(edisonn): SCN supports more color spaces than SCN. Read and implement spec.
+    PdfOp_SC_sc(pdfContext, canvas, colorOperator);
+
+    return kPartial_PdfResult;
+}
+
+static PdfResult PdfOp_SCN(PdfContext* pdfContext, SkCanvas* canvas, PdfTokenLooper** looper) {
+    return PdfOp_SCN_scn(pdfContext, canvas, &pdfContext->fGraphicsState.fStroking);
+}
+
+static PdfResult PdfOp_scn(PdfContext* pdfContext, SkCanvas* canvas, PdfTokenLooper** looper) {
+    return PdfOp_SCN_scn(pdfContext, canvas, &pdfContext->fGraphicsState.fNonStroking);
+}
+
+static PdfResult PdfOp_G_g(PdfContext* pdfContext, SkCanvas* canvas, SkPdfColorOperator* colorOperator) {
+    /*double gray = */pdfContext->fObjectStack.top()->numberValue();     pdfContext->fObjectStack.pop();
+    return kNYI_PdfResult;
+}
+
+static PdfResult PdfOp_G(PdfContext* pdfContext, SkCanvas* canvas, PdfTokenLooper** looper) {
+    return PdfOp_G_g(pdfContext, canvas, &pdfContext->fGraphicsState.fStroking);
+}
+
+static PdfResult PdfOp_g(PdfContext* pdfContext, SkCanvas* canvas, PdfTokenLooper** looper) {
+    return PdfOp_G_g(pdfContext, canvas, &pdfContext->fGraphicsState.fNonStroking);
+}
+
+static PdfResult PdfOp_RG_rg(PdfContext* pdfContext, SkCanvas* canvas, SkPdfColorOperator* colorOperator) {
+    double b = pdfContext->fObjectStack.top()->numberValue();     pdfContext->fObjectStack.pop();
+    double g = pdfContext->fObjectStack.top()->numberValue();     pdfContext->fObjectStack.pop();
+    double r = pdfContext->fObjectStack.top()->numberValue();     pdfContext->fObjectStack.pop();
+
+    colorOperator->fColorSpace = "DeviceRGB";
+    colorOperator->setRGBColor(SkColorSetRGB(255*r, 255*g, 255*b));
+    return kOK_PdfResult;
+}
+
+static PdfResult PdfOp_RG(PdfContext* pdfContext, SkCanvas* canvas, PdfTokenLooper** looper) {
+    return PdfOp_RG_rg(pdfContext, canvas, &pdfContext->fGraphicsState.fStroking);
+}
+
+static PdfResult PdfOp_rg(PdfContext* pdfContext, SkCanvas* canvas, PdfTokenLooper** looper) {
+    return PdfOp_RG_rg(pdfContext, canvas, &pdfContext->fGraphicsState.fNonStroking);
+}
+
+static PdfResult PdfOp_K_k(PdfContext* pdfContext, SkCanvas* canvas, SkPdfColorOperator* colorOperator) {
+    // TODO(edisonn): spec has some rules about overprint, implement them.
+    /*double k = */pdfContext->fObjectStack.top()->numberValue();     pdfContext->fObjectStack.pop();
+    /*double y = */pdfContext->fObjectStack.top()->numberValue();     pdfContext->fObjectStack.pop();
+    /*double m = */pdfContext->fObjectStack.top()->numberValue();     pdfContext->fObjectStack.pop();
+    /*double c = */pdfContext->fObjectStack.top()->numberValue();     pdfContext->fObjectStack.pop();
+
+    colorOperator->fColorSpace = "DeviceCMYK";
+    // TODO(edisonn): Set color.
+    return kNYI_PdfResult;
+}
+
+static PdfResult PdfOp_K(PdfContext* pdfContext, SkCanvas* canvas, PdfTokenLooper** looper) {
+    return PdfOp_K_k(pdfContext, canvas, &pdfContext->fGraphicsState.fStroking);
+}
+
+static PdfResult PdfOp_k(PdfContext* pdfContext, SkCanvas* canvas, PdfTokenLooper** looper) {
+    return PdfOp_K_k(pdfContext, canvas, &pdfContext->fGraphicsState.fNonStroking);
+}
+
+static PdfResult PdfOp_W(PdfContext* pdfContext, SkCanvas* canvas, PdfTokenLooper** looper) {
+    pdfContext->fGraphicsState.fClipPath = pdfContext->fGraphicsState.fPath;
+    pdfContext->fGraphicsState.fHasClipPathToApply = true;
+
+    return kOK_PdfResult;
+}
+
+static PdfResult PdfOp_W_star(PdfContext* pdfContext, SkCanvas* canvas, PdfTokenLooper** looper) {
+    pdfContext->fGraphicsState.fClipPath = pdfContext->fGraphicsState.fPath;
+
+#ifdef PDF_TRACE
+    if (pdfContext->fGraphicsState.fClipPath.isRect(NULL)) {
+        printf("CLIP IS RECT\n");
+    }
+#endif
+
+    // TODO(edisonn): there seem to be a bug with clipPath of a rect with even odd.
+    pdfContext->fGraphicsState.fClipPath.setFillType(SkPath::kEvenOdd_FillType);
+    pdfContext->fGraphicsState.fHasClipPathToApply = true;
+
+    return kPartial_PdfResult;
+}
+
+static PdfResult PdfOp_BX(PdfContext* pdfContext, SkCanvas* canvas, PdfTokenLooper** looper) {
+    *looper = new PdfCompatibilitySectionLooper();
+    return kOK_PdfResult;
+}
+
+static PdfResult PdfOp_EX(PdfContext* pdfContext, SkCanvas* canvas, PdfTokenLooper** looper) {
+#ifdef ASSERT_BAD_PDF_OPS
+    SkASSERT(false);  // EX must be consumed by PdfCompatibilitySectionLooper, but let's
+                      // have the assert when testing good pdfs.
+#endif
+    return kIgnoreError_PdfResult;
+}
+
+static PdfResult PdfOp_BI(PdfContext* pdfContext, SkCanvas* canvas, PdfTokenLooper** looper) {
+    *looper = new PdfInlineImageLooper();
+    return kOK_PdfResult;
+}
+
+static PdfResult PdfOp_ID(PdfContext* pdfContext, SkCanvas* canvas, PdfTokenLooper** looper) {
+#ifdef ASSERT_BAD_PDF_OPS
+    SkASSERT(false);  // must be processed in inline image looper, but let's
+                      // have the assert when testing good pdfs.
+#endif
+    return kIgnoreError_PdfResult;
+}
+
+static PdfResult PdfOp_EI(PdfContext* pdfContext, SkCanvas* canvas, PdfTokenLooper** looper) {
+#ifdef ASSERT_BAD_PDF_OPS
+    SkASSERT(false);  // must be processed in inline image looper, but let's
+                      // have the assert when testing good pdfs.
+#endif
+    return kIgnoreError_PdfResult;
+}
+
+//lineWidth w Set the line width in the graphics state (see “Line Width” on page 152).
+static PdfResult PdfOp_w(PdfContext* pdfContext, SkCanvas* canvas, PdfTokenLooper** looper) {
+    double lineWidth = pdfContext->fObjectStack.top()->numberValue();     pdfContext->fObjectStack.pop();
+    pdfContext->fGraphicsState.fLineWidth = lineWidth;
+
+    return kOK_PdfResult;
+}
+
+//lineCap J Set the line cap style in the graphics state (see “Line Cap Style” on page 153).
+static PdfResult PdfOp_J(PdfContext* pdfContext, SkCanvas* canvas, PdfTokenLooper** looper) {
+    pdfContext->fObjectStack.pop();
+    //double lineCap = pdfContext->fObjectStack.top()->numberValue();     pdfContext->fObjectStack.pop();
+
+    return kNYI_PdfResult;
+}
+
+//lineJoin j Set the line join style in the graphics state (see “Line Join Style” on page 153).
+static PdfResult PdfOp_j(PdfContext* pdfContext, SkCanvas* canvas, PdfTokenLooper** looper) {
+    pdfContext->fObjectStack.pop();
+    //double lineJoin = pdfContext->fObjectStack.top()->numberValue();     pdfContext->fObjectStack.pop();
+
+    return kNYI_PdfResult;
+}
+
+//miterLimit M Set the miter limit in the graphics state (see “Miter Limit” on page 153).
+static PdfResult PdfOp_M(PdfContext* pdfContext, SkCanvas* canvas, PdfTokenLooper** looper) {
+    pdfContext->fObjectStack.pop();
+    //double miterLimit = pdfContext->fObjectStack.top()->numberValue();     pdfContext->fObjectStack.pop();
+
+    return kNYI_PdfResult;
+}
+
+//dashArray dashPhase d Set the line dash pattern in the graphics state (see “Line Dash Pattern” on
+//page 155).
+static PdfResult PdfOp_d(PdfContext* pdfContext, SkCanvas* canvas, PdfTokenLooper** looper) {
+    pdfContext->fObjectStack.pop();
+    pdfContext->fObjectStack.pop();
+
+    return kNYI_PdfResult;
+}
+
+//intent ri (PDF 1.1) Set the color rendering intent in the graphics state (see “Rendering Intents” on page 197).
+static PdfResult PdfOp_ri(PdfContext* pdfContext, SkCanvas* canvas, PdfTokenLooper** looper) {
+    pdfContext->fObjectStack.pop();
+
+    return kNYI_PdfResult;
+}
+
+//ﬂatness i Set the ﬂatness tolerance in the graphics state (see Section 6.5.1, “Flatness
+//Tolerance”). ﬂatness is a number in the range 0 to 100; a value of 0 speci-
+//ﬁes the output device’s default ﬂatness tolerance.
+static PdfResult PdfOp_i(PdfContext* pdfContext, SkCanvas* canvas, PdfTokenLooper** looper) {
+    pdfContext->fObjectStack.pop();
+
+    return kNYI_PdfResult;
+}
+
+//dictName gs (PDF 1.2) Set the speciﬁed parameters in the graphics state. dictName is
+//the name of a graphics state parameter dictionary in the ExtGState subdictionary of the current resource dictionary (see the next section).
+static PdfResult PdfOp_gs(PdfContext* pdfContext, SkCanvas* canvas, PdfTokenLooper** looper) {
+    const char* name = pdfContext->fObjectStack.top()->nameValue();    pdfContext->fObjectStack.pop();
+
+#ifdef PDF_TRACE
+    std::string str;
+#endif
+
+    //Next, get the ExtGState Dictionary from the Resource Dictionary:
+    SkPdfDictionary* extGStateDictionary = pdfContext->fGraphicsState.fResources->ExtGState(pdfContext->fPdfDoc);
+
+    if (extGStateDictionary == NULL) {
+#ifdef PDF_TRACE
+        printf("ExtGState is NULL!\n");
+#endif
+        return kIgnoreError_PdfResult;
+    }
+
+    SkPdfObject* value = pdfContext->fPdfDoc->resolveReference(extGStateDictionary->get(name));
+
+    if (kNone_SkPdfObjectType == pdfContext->fPdfDoc->mapper()->mapGraphicsStateDictionary(value)) {
+        return kIgnoreError_PdfResult;
+    }
+    SkPdfGraphicsStateDictionary* gs = (SkPdfGraphicsStateDictionary*)value;
+
+    // TODO(edisonn): now load all those properties in graphic state.
+    if (gs == NULL) {
+        return kIgnoreError_PdfResult;
+    }
+
+    if (gs->has_CA()) {
+        pdfContext->fGraphicsState.fStroking.fOpacity = gs->CA(pdfContext->fPdfDoc);
+    }
+
+    if (gs->has_ca()) {
+        pdfContext->fGraphicsState.fNonStroking.fOpacity = gs->ca(pdfContext->fPdfDoc);
+    }
+
+    if (gs->has_LW()) {
+        pdfContext->fGraphicsState.fLineWidth = gs->LW(pdfContext->fPdfDoc);
+    }
+
+    return kNYI_PdfResult;
+}
+
+//charSpace Tc Set the character spacing, Tc
+//, to charSpace, which is a number expressed in unscaled text space units. Character spacing is used by the Tj, TJ, and ' operators.
+//Initial value: 0.
+PdfResult PdfOp_Tc(PdfContext* pdfContext, SkCanvas* canvas, PdfTokenLooper** looper) {
+    double charSpace = pdfContext->fObjectStack.top()->numberValue();     pdfContext->fObjectStack.pop();
+    pdfContext->fGraphicsState.fCharSpace = charSpace;
+
+    return kOK_PdfResult;
+}
+
+//wordSpace Tw Set the word spacing, T
+//w
+//, to wordSpace, which is a number expressed in unscaled
+//text space units. Word spacing is used by the Tj, TJ, and ' operators. Initial
+//value: 0.
+PdfResult PdfOp_Tw(PdfContext* pdfContext, SkCanvas* canvas, PdfTokenLooper** looper) {
+    double wordSpace = pdfContext->fObjectStack.top()->numberValue();     pdfContext->fObjectStack.pop();
+    pdfContext->fGraphicsState.fWordSpace = wordSpace;
+
+    return kOK_PdfResult;
+}
+
+//scale Tz Set the horizontal scaling, Th
+//, to (scale ˜ 100). scale is a number specifying the
+//percentage of the normal width. Initial value: 100 (normal width).
+static PdfResult PdfOp_Tz(PdfContext* pdfContext, SkCanvas* canvas, PdfTokenLooper** looper) {
+    /*double scale = */pdfContext->fObjectStack.top()->numberValue();     pdfContext->fObjectStack.pop();
+
+    return kNYI_PdfResult;
+}
+
+//render Tr Set the text rendering mode, T
+//mode, to render, which is an integer. Initial value: 0.
+static PdfResult PdfOp_Tr(PdfContext* pdfContext, SkCanvas* canvas, PdfTokenLooper** looper) {
+    /*double render = */pdfContext->fObjectStack.top()->numberValue();     pdfContext->fObjectStack.pop();
+
+    return kNYI_PdfResult;
+}
+//rise Ts Set the text rise, Trise, to rise, which is a number expressed in unscaled text space
+//units. Initial value: 0.
+static PdfResult PdfOp_Ts(PdfContext* pdfContext, SkCanvas* canvas, PdfTokenLooper** looper) {
+    /*double rise = */pdfContext->fObjectStack.top()->numberValue();     pdfContext->fObjectStack.pop();
+
+    return kNYI_PdfResult;
+}
+
+//wx wy d0
+static PdfResult PdfOp_d0(PdfContext* pdfContext, SkCanvas* canvas, PdfTokenLooper** looper) {
+    pdfContext->fObjectStack.pop();
+    pdfContext->fObjectStack.pop();
+
+    return kNYI_PdfResult;
+}
+
+//wx wy llx lly urx ury d1
+static PdfResult PdfOp_d1(PdfContext* pdfContext, SkCanvas* canvas, PdfTokenLooper** looper) {
+    pdfContext->fObjectStack.pop();
+    pdfContext->fObjectStack.pop();
+    pdfContext->fObjectStack.pop();
+    pdfContext->fObjectStack.pop();
+    pdfContext->fObjectStack.pop();
+    pdfContext->fObjectStack.pop();
+
+    return kNYI_PdfResult;
+}
+
+//name sh
+static PdfResult PdfOp_sh(PdfContext* pdfContext, SkCanvas* canvas, PdfTokenLooper** looper) {
+    pdfContext->fObjectStack.pop();
+
+    return kNYI_PdfResult;
+}
+
+//name Do
+static PdfResult PdfOp_Do(PdfContext* pdfContext, SkCanvas* canvas, PdfTokenLooper** looper) {
+    const char* name = pdfContext->fObjectStack.top()->nameValue();    pdfContext->fObjectStack.pop();
+
+    SkPdfDictionary* xObject =  pdfContext->fGraphicsState.fResources->XObject(pdfContext->fPdfDoc);
+
+    if (xObject == NULL) {
+#ifdef PDF_TRACE
+        printf("XObject is NULL!\n");
+#endif
+        return kIgnoreError_PdfResult;
+    }
+
+    SkPdfObject* value = xObject->get(name);
+    value = pdfContext->fPdfDoc->resolveReference(value);
+
+#ifdef PDF_TRACE
+//    value->ToString(str);
+//    printf("Do object value: %s\n", str);
+#endif
+
+    return doXObject(pdfContext, canvas, value);
+}
+
+//tag MP Designate a marked-content point. tag is a name object indicating the role or
+//signiﬁcance of the point.
+static PdfResult PdfOp_MP(PdfContext* pdfContext, SkCanvas* canvas, PdfTokenLooper** looper) {
+    pdfContext->fObjectStack.pop();
+
+    return kNYI_PdfResult;
+}
+
+//tag properties DP Designate a marked-content point with an associated property list. tag is a
+//name object indicating the role or signiﬁcance of the point; properties is
+//either an inline dictionary containing the property list or a name object
+//associated with it in the Properties subdictionary of the current resource
+//dictionary (see Section 9.5.1, “Property Lists”).
+static PdfResult PdfOp_DP(PdfContext* pdfContext, SkCanvas* canvas, PdfTokenLooper** looper) {
+    pdfContext->fObjectStack.pop();
+    pdfContext->fObjectStack.pop();
+
+    return kNYI_PdfResult;
+}
+
+//tag BMC Begin a marked-content sequence terminated by a balancing EMC operator.
+//tag is a name object indicating the role or signiﬁcance of the sequence.
+static PdfResult PdfOp_BMC(PdfContext* pdfContext, SkCanvas* canvas, PdfTokenLooper** looper) {
+    pdfContext->fObjectStack.pop();
+
+    return kNYI_PdfResult;
+}
+
+//tag properties BDC Begin a marked-content sequence with an associated property list, terminated
+//by a balancing EMCoperator. tag is a name object indicating the role or significance of the sequence; propertiesis either an inline dictionary containing the
+//property list or a name object associated with it in the Properties subdictionary of the current resource dictionary (see Section 9.5.1, “Property Lists”).
+static PdfResult PdfOp_BDC(PdfContext* pdfContext, SkCanvas* canvas, PdfTokenLooper** looper) {
+    pdfContext->fObjectStack.pop();
+    pdfContext->fObjectStack.pop();
+
+    return kNYI_PdfResult;
+}
+
+//— EMC End a marked-content sequence begun by a BMC or BDC operator.
+static PdfResult PdfOp_EMC(PdfContext* pdfContext, SkCanvas* canvas, PdfTokenLooper** looper) {
+    return kNYI_PdfResult;
+}
+
+static void initPdfOperatorRenderes() {
+    static bool gInitialized = false;
+    if (gInitialized) {
+        return;
+    }
+
+    gPdfOps["q"] =      PdfOp_q;
+    gPdfOps["Q"] =      PdfOp_Q;
+    gPdfOps["cm"] =     PdfOp_cm;
+
+    gPdfOps["TD"] =     PdfOp_TD;
+    gPdfOps["Td"] =     PdfOp_Td;
+    gPdfOps["Tm"] =     PdfOp_Tm;
+    gPdfOps["T*"] =     PdfOp_T_star;
+
+    gPdfOps["m"] =      PdfOp_m;
+    gPdfOps["l"] =      PdfOp_l;
+    gPdfOps["c"] =      PdfOp_c;
+    gPdfOps["v"] =      PdfOp_v;
+    gPdfOps["y"] =      PdfOp_y;
+    gPdfOps["h"] =      PdfOp_h;
+    gPdfOps["re"] =     PdfOp_re;
+
+    gPdfOps["S"] =      PdfOp_S;
+    gPdfOps["s"] =      PdfOp_s;
+    gPdfOps["f"] =      PdfOp_f;
+    gPdfOps["F"] =      PdfOp_F;
+    gPdfOps["f*"] =     PdfOp_f_star;
+    gPdfOps["B"] =      PdfOp_B;
+    gPdfOps["B*"] =     PdfOp_B_star;
+    gPdfOps["b"] =      PdfOp_b;
+    gPdfOps["b*"] =     PdfOp_b_star;
+    gPdfOps["n"] =      PdfOp_n;
+
+    gPdfOps["BT"] =     PdfOp_BT;
+    gPdfOps["ET"] =     PdfOp_ET;
+
+    gPdfOps["Tj"] =     PdfOp_Tj;
+    gPdfOps["'"] =      PdfOp_quote;
+    gPdfOps["\""] =     PdfOp_doublequote;
+    gPdfOps["TJ"] =     PdfOp_TJ;
+
+    gPdfOps["CS"] =     PdfOp_CS;
+    gPdfOps["cs"] =     PdfOp_cs;
+    gPdfOps["SC"] =     PdfOp_SC;
+    gPdfOps["SCN"] =    PdfOp_SCN;
+    gPdfOps["sc"] =     PdfOp_sc;
+    gPdfOps["scn"] =    PdfOp_scn;
+    gPdfOps["G"] =      PdfOp_G;
+    gPdfOps["g"] =      PdfOp_g;
+    gPdfOps["RG"] =     PdfOp_RG;
+    gPdfOps["rg"] =     PdfOp_rg;
+    gPdfOps["K"] =      PdfOp_K;
+    gPdfOps["k"] =      PdfOp_k;
+
+    gPdfOps["W"] =      PdfOp_W;
+    gPdfOps["W*"] =     PdfOp_W_star;
+
+    gPdfOps["BX"] =     PdfOp_BX;
+    gPdfOps["EX"] =     PdfOp_EX;
+
+    gPdfOps["BI"] =     PdfOp_BI;
+    gPdfOps["ID"] =     PdfOp_ID;
+    gPdfOps["EI"] =     PdfOp_EI;
+
+    gPdfOps["w"] =      PdfOp_w;
+    gPdfOps["J"] =      PdfOp_J;
+    gPdfOps["j"] =      PdfOp_j;
+    gPdfOps["M"] =      PdfOp_M;
+    gPdfOps["d"] =      PdfOp_d;
+    gPdfOps["ri"] =     PdfOp_ri;
+    gPdfOps["i"] =      PdfOp_i;
+    gPdfOps["gs"] =     PdfOp_gs;
+
+    gPdfOps["Tc"] =     PdfOp_Tc;
+    gPdfOps["Tw"] =     PdfOp_Tw;
+    gPdfOps["Tz"] =     PdfOp_Tz;
+    gPdfOps["TL"] =     PdfOp_TL;
+    gPdfOps["Tf"] =     PdfOp_Tf;
+    gPdfOps["Tr"] =     PdfOp_Tr;
+    gPdfOps["Ts"] =     PdfOp_Ts;
+
+    gPdfOps["d0"] =     PdfOp_d0;
+    gPdfOps["d1"] =     PdfOp_d1;
+
+    gPdfOps["sh"] =     PdfOp_sh;
+
+    gPdfOps["Do"] =     PdfOp_Do;
+
+    gPdfOps["MP"] =     PdfOp_MP;
+    gPdfOps["DP"] =     PdfOp_DP;
+    gPdfOps["BMC"] =    PdfOp_BMC;
+    gPdfOps["BDC"] =    PdfOp_BDC;
+    gPdfOps["EMC"] =    PdfOp_EMC;
+
+    gInitialized = true;
+}
+
+class InitPdfOps {
+public:
+    InitPdfOps() {
+        initPdfOperatorRenderes();
+    }
+};
+
+InitPdfOps gInitPdfOps;
+
+void reportPdfRenderStats() {
+    std::map<std::string, int>::iterator iter;
+
+    for (int i = 0 ; i < kCount_PdfResult; i++) {
+        for (iter = gRenderStats[i].begin(); iter != gRenderStats[i].end(); ++iter) {
+            printf("%s: %s -> count %i\n", gRenderStatsNames[i], iter->first.c_str(), iter->second);
+        }
+    }
+}
+
+PdfResult PdfMainLooper::consumeToken(PdfToken& token) {
+    char keyword[256];
+
+    if (token.fType == kKeyword_TokenType && token.fKeywordLength < 256)
+    {
+        strncpy(keyword, token.fKeyword, token.fKeywordLength);
+        keyword[token.fKeywordLength] = '\0';
+        // TODO(edisonn): log trace flag (verbose, error, info, warning, ...)
+        PdfOperatorRenderer pdfOperatorRenderer = gPdfOps[keyword];
+        if (pdfOperatorRenderer) {
+            // caller, main work is done by pdfOperatorRenderer(...)
+            PdfTokenLooper* childLooper = NULL;
+            gRenderStats[pdfOperatorRenderer(fPdfContext, fCanvas, &childLooper)][keyword]++;
+
+            if (childLooper) {
+                childLooper->setUp(this);
+                childLooper->loop();
+                delete childLooper;
+            }
+        } else {
+            gRenderStats[kUnsupported_PdfResult][keyword]++;
+        }
+    }
+    else if (token.fType == kObject_TokenType)
+    {
+        fPdfContext->fObjectStack.push( token.fObject );
+    }
+    else {
+        // TODO(edisonn): deine or use assert not reached
+        return kIgnoreError_PdfResult;
+    }
+    return kOK_PdfResult;
+}
+
+void PdfMainLooper::loop() {
+    PdfToken token;
+    while (readToken(fTokenizer, &token)) {
+        consumeToken(token);
+    }
+}
+
+PdfResult PdfInlineImageLooper::consumeToken(PdfToken& token) {
+    //pdfContext.fInlineImage.fKeyValuePairs[key] = value;
+    return kNYI_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.
+}
+
+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;
+    setup_bitmap(&bitmap, 50, 50, SK_ColorRED);
+
+    // TODO(edisonn): matrix use.
+    // Draw dummy red square, to show the prezence of the inline image.
+    fCanvas->drawBitmap(bitmap,
+                       SkDoubleToScalar(0),
+                       SkDoubleToScalar(0),
+                       NULL);
+    return kNYI_PdfResult;
+}
+
+PdfResult PdfCompatibilitySectionLooper::consumeToken(PdfToken& token) {
+    return fParent->consumeToken(token);
+}
+
+void PdfCompatibilitySectionLooper::loop() {
+    // TODO(edisonn): save stacks position, or create a new stack?
+    // TODO(edisonn): what happens if we pop out more variables then when we started?
+    // restore them? fail? We could create a new operands stack for every new BX/EX section,
+    // pop-ing too much will not affect outside the section.
+    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();
+            delete looper;
+        } else {
+            if (token.fType == kKeyword_TokenType && strcmp(token.fKeyword, "EX") == 0) break;
+            fParent->consumeToken(token);
+        }
+    }
+    // TODO(edisonn): restore stack.
+}
+
+// TODO(edisonn): fix PoDoFo load ~/crashing/Shading.pdf
+// TODO(edisonn): Add API for Forms viewing and editing
+// e.g. SkBitmap getPage(int page);
+//      int formsCount();
+//      SkForm getForm(int formID); // SkForm(SkRect, .. other data)
+// TODO (edisonn): Add intend when loading pdf, for example: for viewing, parsing all content, ...
+// if we load the first page, and we zoom to fit to screen horizontally, then load only those
+// resources needed, so the preview is fast.
+// TODO (edisonn): hide parser/tokenizer behind and interface and a query language, and resolve
+// references automatically.
+
+PdfContext* gPdfContext = NULL;
+
+bool SkPdfRenderer::renderPage(int page, SkCanvas* canvas) const {
+    if (!fPdfDoc) {
+        return false;
+    }
+
+    if (page < 0 || page >= pages()) {
+        return false;
+    }
+
+    SkPdfNativeTokenizer* tokenizer = fPdfDoc->tokenizerOfPage(page);
+
+    PdfContext pdfContext(fPdfDoc);
+    pdfContext.fOriginalMatrix = SkMatrix::I();
+    pdfContext.fGraphicsState.fResources = fPdfDoc->pageResources(page);
+
+    gPdfContext = &pdfContext;
+
+    // TODO(edisonn): get matrix stuff right.
+    // TODO(edisonn): add DPI/scale/zoom.
+    SkScalar z = SkIntToScalar(0);
+    SkRect rect = fPdfDoc->MediaBox(page);
+    SkScalar w = rect.width();
+    SkScalar h = rect.height();
+
+    SkPoint pdfSpace[4] = {SkPoint::Make(z, z), SkPoint::Make(w, z), SkPoint::Make(w, h), SkPoint::Make(z, h)};
+//                SkPoint skiaSpace[4] = {SkPoint::Make(z, h), SkPoint::Make(w, h), SkPoint::Make(w, z), SkPoint::Make(z, z)};
+
+    // TODO(edisonn): add flag for this app to create sourunding buffer zone
+    // TODO(edisonn): add flagg for no clipping.
+    // Use larger image to make sure we do not draw anything outside of page
+    // could be used in tests.
+
+#ifdef PDF_DEBUG_3X
+    SkPoint skiaSpace[4] = {SkPoint::Make(w+z, h+h), SkPoint::Make(w+w, h+h), SkPoint::Make(w+w, h+z), SkPoint::Make(w+z, h+z)};
+#else
+    SkPoint skiaSpace[4] = {SkPoint::Make(z, h), SkPoint::Make(w, h), SkPoint::Make(w, z), SkPoint::Make(z, z)};
+#endif
+    //SkPoint pdfSpace[2] = {SkPoint::Make(z, z), SkPoint::Make(w, h)};
+    //SkPoint skiaSpace[2] = {SkPoint::Make(w, z), SkPoint::Make(z, h)};
+
+    //SkPoint pdfSpace[2] = {SkPoint::Make(z, z), SkPoint::Make(z, h)};
+    //SkPoint skiaSpace[2] = {SkPoint::Make(z, h), SkPoint::Make(z, z)};
+
+    //SkPoint pdfSpace[3] = {SkPoint::Make(z, z), SkPoint::Make(z, h), SkPoint::Make(w, h)};
+    //SkPoint skiaSpace[3] = {SkPoint::Make(z, h), SkPoint::Make(z, z), SkPoint::Make(w, 0)};
+
+    SkAssertResult(pdfContext.fOriginalMatrix.setPolyToPoly(pdfSpace, skiaSpace, 4));
+    SkTraceMatrix(pdfContext.fOriginalMatrix, "Original matrix");
+
+
+    pdfContext.fGraphicsState.fMatrix = pdfContext.fOriginalMatrix;
+    pdfContext.fGraphicsState.fMatrixTm = pdfContext.fGraphicsState.fMatrix;
+    pdfContext.fGraphicsState.fMatrixTlm = pdfContext.fGraphicsState.fMatrix;
+
+    canvas->setMatrix(pdfContext.fOriginalMatrix);
+
+#ifndef PDF_DEBUG_NO_PAGE_CLIPING
+    canvas->clipRect(SkRect::MakeXYWH(z, z, w, h), SkRegion::kIntersect_Op, true);
+#endif
+
+// erase with red before?
+//        SkPaint paint;
+//        paint.setColor(SK_ColorRED);
+//        canvas->drawRect(rect, paint);
+
+    PdfMainLooper looper(NULL, tokenizer, &pdfContext, canvas);
+    looper.loop();
+
+    delete tokenizer;
+
+    canvas->flush();
+    return true;
+}
+
+bool SkPdfRenderer::load(const SkString inputFileName) {
+    unload();
+
+    // TODO(edisonn): create static function that could return NULL if there are errors
+    fPdfDoc = new SkNativeParsedPDF(inputFileName.c_str());
+
+    return fPdfDoc != NULL;
+}
+
+int SkPdfRenderer::pages() const {
+    return fPdfDoc != NULL ? fPdfDoc->pages() : 0;
+}
+
+void SkPdfRenderer::unload() {
+    delete fPdfDoc;
+    fPdfDoc = NULL;
+}
+
+SkRect SkPdfRenderer::MediaBox(int page) const {
+    SkASSERT(fPdfDoc);
+    return fPdfDoc->MediaBox(page);
+}