Separate and update PDF_DIFF_TRACE_IN_PNG

experimental/PdfViewer/src/SkPdfTokenLooper.cpp

Index: experimental/PdfViewer/src/SkPdfTokenLooper.cpp
diff --git a/experimental/PdfViewer/src/SkPdfTokenLooper.cpp b/experimental/PdfViewer/src/SkPdfTokenLooper.cpp
deleted file mode 100644
index 9193e332a482455c2b017ae60610648f80107b0e..0000000000000000000000000000000000000000
--- a/experimental/PdfViewer/src/SkPdfTokenLooper.cpp
+++ /dev/null
@@ -1,156 +0,0 @@
-/*
- * 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 "SkPdfTokenLooper.h"
-#include "SkPdfNativeTokenizer.h"
-#include "SkBitmap.h"
-
-#ifdef PDF_TRACE_DIFF_IN_PNG
-#include "SkBitmapDevice.h"
-#include "SkCanvas.h"
-#include "SkClipStack.h"
-#include "SkColor.h"
-#include "SkImageEncoder.h"
-#include "SkPaint.h"
-#include "SkPath.h"
-#include "SkRegion.h"
-#include "SkScalar.h"
-#include "SkString.h"
-#endif  // PDF_TRACE_DIFF_IN_PNG
-
-// FIXME (scroggo): Put behind build flags.
-extern "C" SkBitmap* gDumpBitmap;
-extern "C" SkCanvas* gDumpCanvas;
-SkBitmap* gDumpBitmap = NULL;
-SkCanvas* gDumpCanvas = NULL;
-int gReadOp;
-int gLastOpKeyword;
-char gLastKeyword[100] = "";
-
-#ifdef PDF_TRACE_DIFF_IN_PNG
-// FIXME (scroggo): allOpWithVisualEffects can be local to hasVisualEffect.
-char allOpWithVisualEffects[100] = ",S,s,f,F,f*,B,B*,b,b*,n,Tj,TJ,\',\",d0,d1,sh,EI,Do,EX,";
-// FIXME (scroggo): has_visual_effect
-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);
-}
-
-static void setup_bitmap(SkBitmap* bitmap, int width, int height) {
-    bitmap->setConfig(SkBitmap::kARGB_8888_Config, width, height);
-
-    bitmap->allocPixels();
-    bitmap->eraseColor(SK_ColorWHITE);
-}
-
-#endif  // PDF_TRACE_DIFF_IN_PNG
-
-// FIXME (scroggo): fTokenizer -> tokenizer.
-bool readToken(SkPdfNativeTokenizer* fTokenizer, PdfToken* token) {
-    bool ret = fTokenizer->readToken(token);
-
-    gReadOp++;
-    gLastOpKeyword++;
-#ifdef PDF_TRACE_DIFF_IN_PNG
-    // TODO(edisonn): this code is used to make a step by step history of all the draw operations
-    // so we could find the step where something is wrong.
-    if (gLastKeyword[0] && hasVisualEffect(gLastKeyword)) {
-        gDumpCanvas->flush();
-
-        // FIXME (scroggo): Could use SkSurface/SkImage?
-        SkBitmap bitmap;
-        setup_bitmap(&bitmap, gDumpBitmap->width(), gDumpBitmap->height());
-
-        memcpy(bitmap.getPixels(), gDumpBitmap->getPixels(), gDumpBitmap->getSize());
-
-        SkAutoTUnref<SkBaseDevice> device(SkNEW_ARGS(SkBitmapDevice, (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()) != NULL) {
-                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): overlay on top of image inf about the clip , grafic state, the stack
-
-        out.appendf("/tmp/log_step_by_step/step-%i-%s.png",
-                    gLastOpKeyword, gLastKeyword);
-        SkImageEncoder::EncodeFile(out.c_str(), bitmap, SkImageEncoder::kPNG_Type, 100);
-    }
-
-    if (ret && token->fType == kKeyword_TokenType &&
-            token->fKeyword && token->fKeywordLength > 0 && token->fKeywordLength < 100) {
-        strncpy(gLastKeyword, token->fKeyword, token->fKeywordLength);
-        gLastKeyword[token->fKeywordLength] = '\0';
-    } else {
-        gLastKeyword[0] = '\0';
-    }
-#endif
-
-    return ret;
-}
-