pdfviewer: debug code for drawText (show magenta background for text, to show text even when we fai…

experimental/PdfViewer/pdfparser/native/SkPdfObject.cpp

Index: experimental/PdfViewer/pdfparser/native/SkPdfObject.cpp
===================================================================
--- experimental/PdfViewer/pdfparser/native/SkPdfObject.cpp	(revision 10712)
+++ experimental/PdfViewer/pdfparser/native/SkPdfObject.cpp	(working copy)
@@ -1,109 +0,0 @@
-
-#include "SkPdfObject.h"
-#include "SkPdfStreamCommonDictionary_autogen.h"
-
-#include "SkFlate.h"
-#include "SkStream.h"
-#include "SkPdfNativeTokenizer.h"
-
-#include "SkBitmap.h"
-#include "SkPdfFont.h"
-
-SkPdfObject SkPdfObject::kNull = SkPdfObject::makeNull();
-
-bool SkPdfObject::applyFlateDecodeFilter() {
-    if (!SkFlate::HaveFlate()) {
-        // TODO(edisonn): warn, make callers handle it
-        return false;
-    }
-
-    const unsigned char* old = fStr.fBuffer;
-    bool deleteOld = isStreamOwned();
-
-    SkMemoryStream skstream(fStr.fBuffer, fStr.fBytes >> 2, false);
-    SkDynamicMemoryWStream uncompressedData;
-
-    if (SkFlate::Inflate(&skstream, &uncompressedData)) {
-        fStr.fBytes = (uncompressedData.bytesWritten() << 2) + kOwnedStreamBit + kUnfilteredStreamBit;
-        fStr.fBuffer = (const unsigned char*)new unsigned char[uncompressedData.bytesWritten()];
-        uncompressedData.copyTo((void*)fStr.fBuffer);
-
-        if (deleteOld) {
-            delete[] old;
-        }
-
-        return true;
-    } else {
-        // TODO(edisonn): warn, make callers handle it
-        return false;
-    }
-}
-
-bool SkPdfObject::applyDCTDecodeFilter() {
-    // this would fail, and it won't allow any more filters.
-    // technically, it would be possible, but not a real world scenario
-    // TODO(edisonn): or get the image here and store it for fast retrieval?
-    return false;
-}
-
-bool SkPdfObject::applyFilter(const char* name) {
-    if (strcmp(name, "FlateDecode") == 0) {
-        return applyFlateDecodeFilter();
-    } else if (strcmp(name, "DCTDecode") == 0) {
-        return applyDCTDecodeFilter();
-    }
-    // TODO(edisonn): allert, not supported, but should be implemented asap
-    return false;
-}
-
-bool SkPdfObject::filterStream() {
-    if (!hasStream()) {
-        return false;
-    }
-
-    if (isStreamFiltered()) {
-        return true;
-    }
-
-    SkPdfStreamCommonDictionary* stream = (SkPdfStreamCommonDictionary*)this;
-
-    if (!stream->has_Filter()) {
-        fStr.fBytes = ((fStr.fBytes >> 1) << 1) + kFilteredStreamBit;
-    } else if (stream->isFilterAName(NULL)) {
-        std::string filterName = stream->getFilterAsName(NULL);
-        applyFilter(filterName.c_str());
-    } else if (stream->isFilterAArray(NULL)) {
-        const SkPdfArray* filters = stream->getFilterAsArray(NULL);
-        int cnt = filters->size();
-        for (int i = cnt - 1; i >= 0; i--) {
-            const SkPdfObject* filterName = filters->objAtAIndex(i);
-            if (filterName != NULL && filterName->isName()) {
-                if (!applyFilter(filterName->nameValue())) {
-                    break;
-                }
-            } else {
-                // TODO(edisonn): report warning
-            }
-        }
-    }
-
-    return true;
-}
-
-void SkPdfObject::releaseData() {
-    if (fData) {
-        switch (fDataType) {
-            case kFont_Data:
-                delete (SkPdfFont*)fData;
-                break;
-            case kBitmap_Data:
-                delete (SkBitmap*)fData;
-                break;
-            default:
-                SkASSERT(false);
-                break;
-        }
-    }
-    fData = NULL;
-    fDataType = kEmpty_Data;
-}