Remove experimental/PdfViewer

Motivation: maintaining this code doesn't seem worth the time,
since no one seems to be using it.  If someone wants to use it
in the future, just revert this CL.

Review URL: https://codereview.chromium.org/1266093003

4 files changed, 0 insertions, 223 deletions

diff --git a/experimental/PdfViewer/inc/SkPdfContext.h b/experimental/PdfViewer/inc/SkPdfContext.h
deleted file mode 100644
index cd6eba2209..0000000000
--- a/experimental/PdfViewer/inc/SkPdfContext.h
+++ /dev/null
@@ -1,48 +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.
- */
-
-#ifndef SkPdfContext_DEFINED
-#define SkPdfContext_DEFINED
-
-#include "SkMatrix.h"
-#include "SkPdfGraphicsState.h"
-#include "SkPdfNativeTokenizer.h"
-#include "SkTDStackNester.h"
-#include "SkTypes.h"
-
-class SkCanvas;
-class SkPdfNativeDoc;
-class SkPdfNativeObject;
-
-/**
- *   The context of the drawing. The document we draw from, the current stack of
- *   objects, ...
- */
-class SkPdfContext : SkNoncopyable {
-public:
-    // FIXME (scroggo): Add functions for accessing these.
-    SkTDStackNester<SkPdfNativeObject*>  fObjectStack;
-    SkTDStackNester<SkPdfGraphicsState>  fStateStack;
-    SkPdfGraphicsState              fGraphicsState;
-    SkPdfNativeDoc*                 fPdfDoc;
-    SkMatrix                        fOriginalMatrix;
-
-    // Does not take ownership of the doc.
-    explicit SkPdfContext(SkPdfNativeDoc* doc);
-
-    /**
-     *  Parse the stream and draw its commands to the canvas.
-     *  FIXME (scroggo): May not be the best place for this, but leaving here
-     *  for now, since it uses SkPdfContext's members.
-     */
-    void parseStream(SkPdfNativeObject* stream, SkCanvas* canvas);
-
-private:
-    // FIXME (scroggo): Is this the right place for the allocator?
-    SkPdfAllocator fTmpPageAllocator;
-};
-#endif // SkPdfContext_DEFINED
diff --git a/experimental/PdfViewer/inc/SkPdfDiffEncoder.h b/experimental/PdfViewer/inc/SkPdfDiffEncoder.h
deleted file mode 100644
index 9acd82f569..0000000000
--- a/experimental/PdfViewer/inc/SkPdfDiffEncoder.h
+++ /dev/null
@@ -1,25 +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.
- */
-
-#ifndef SkPdfDiffEncoder_DEFINED
-#define SkPdfDiffEncoder_DEFINED
-
-struct PdfToken;
-
-namespace SkPdfDiffEncoder {
-    /**
-     * If PDF_TRACE_DIFF_IN_PNG is defined, the PDF commands so far are written
-     * to a file with the difference created by using this token highlighted.
-     * The file is named "/tmp/log_step_by_step/step-%i-%s.png", where %i is
-     * the number of the command and %s is the name of the command. If
-     * PDF_TRACE_DIFF_IN_PNG is not defined this function does nothing.
-     * TODO(scroggo): Pass SkPdfContext and SkCanvas for info.
-     */
-    void WriteToFile(PdfToken*);
-};
-
-#endif // SkPdfDiffEncoder_DEFINED
diff --git a/experimental/PdfViewer/inc/SkPdfRenderer.h b/experimental/PdfViewer/inc/SkPdfRenderer.h
deleted file mode 100644
index 9882a612cf..0000000000
--- a/experimental/PdfViewer/inc/SkPdfRenderer.h
+++ /dev/null
@@ -1,82 +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.
- */
-
-
-#ifndef SkPdfRenderer_DEFINED
-#define SkPdfRenderer_DEFINED
-
-#include "SkTypes.h"
-
-class SkBitmap;
-class SkCanvas;
-class SkPdfNativeDoc;
-struct SkRect;
-class SkStream;
-
-// What kind of content to render.
-// FIXME: Currently unused.
-enum SkPdfContent {
-    kNoForms_SkPdfContent,
-    kAll_SkPdfContent,
-};
-
-/** \class SkPdfRenderer
- *
- *  The SkPdfRenderer class is used to render a PDF into canvas.
- *
- */
-class SkPdfRenderer : SkNoncopyable {
-public:
-    // Create a new renderer from a stream.
-    // TODO(edisonn): replace it with a SkSmartStream which would know to to efficiently
-    // deal with a HTTP stream.
-    // FIXME: Untested.
-    // Does not affect ownership of SkStream.
-    static SkPdfRenderer* CreateFromStream(SkStream*);
-    // Create a new renderer from a file.
-    static SkPdfRenderer* CreateFromFile(const char* filename);
-
-    ~SkPdfRenderer();
-
-    // Render a specific page into the canvas, in a specific rectangle.
-    bool renderPage(int page, SkCanvas* canvas, const SkRect& dst) const;
-
-    // Returns the number of pages in the loaded pdf.
-    int pages() const;
-
-    // Returns the MediaBox of a page. Can be used by client to crate a canvas.
-    SkRect MediaBox(int page) const;
-
-    // TODO(edisonn): for testing only, probably it should be removed, unless some client wants to
-    // let users know how much memory the PDF needs.
-    size_t bytesUsed() const;
-
-private:
-    // Takes ownership of SkPdfNativeDoc.
-    SkPdfRenderer(SkPdfNativeDoc*);
-    SkPdfNativeDoc* fPdfDoc;
-};
-
-// For testing only, reports stats about rendering, like how many operations failed, or are NYI, ...
-void reportPdfRenderStats();
-
-// Renders a page of a pdf in a bitmap.
-// Does not affect ownership of stream.
-bool SkPDFNativeRenderToBitmap(SkStream* stream,
-                               SkBitmap* output,
-                               int page = 0,
-                               SkPdfContent content = kAll_SkPdfContent,
-                               double dpi = 72.0);
-
-// TODO(edisonn): add options to render forms, checkboxes, ...
-// 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, for parsing content, ...
-
-#endif  // SkPdfRenderer_DEFINED
diff --git a/experimental/PdfViewer/inc/SkPdfTokenLooper.h b/experimental/PdfViewer/inc/SkPdfTokenLooper.h
deleted file mode 100644
index f3897cc78f..0000000000
--- a/experimental/PdfViewer/inc/SkPdfTokenLooper.h
+++ /dev/null
@@ -1,68 +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.
- */
-
-#ifndef SkPdfTokenLooper_DEFINED
-#define SkPdfTokenLooper_DEFINED
-
-#include "SkPdfNativeTokenizer.h"
-// For SkPdfResult
-#include "SkPdfUtils.h"
-
-class SkCanvas;
-class SkPdfContext;
-
-/**
- *  An object which reads tokens from a tokenizer and draws it to an SkCanvas.
- *  FIXME (scroggo): Can this be an interface? See http://goo.gl/AXQtkH
- */
-class SkPdfTokenLooper {
-public:
-    /**
-     *  Create a looper with no parent.
-     *  @param tokenizer SkPdfNativeTokenizer for reading tokens.
-     *  @param pdfContext Context for drawing state.
-     *  @param canvas Target SkCanvas for drawing.
-     */
-    SkPdfTokenLooper(SkPdfNativeTokenizer* tokenizer,
-                     SkPdfContext* pdfContext,
-                     SkCanvas* canvas)
-        : fParent(NULL)
-        , fTokenizer(tokenizer)
-        , fPdfContext(pdfContext)
-        , fCanvas(canvas) {}
-
-    /**
-     *  Create a looper as a child of parent. It will share the
-     *  SkPdfContext, SkPdfTokenizer, and SkCanvas with its parent.
-     */
-    explicit SkPdfTokenLooper(SkPdfTokenLooper* parent)
-        : fParent(parent)
-        , fTokenizer(parent->fTokenizer)
-        , fPdfContext(parent->fPdfContext)
-        , fCanvas(parent->fCanvas) {}
-
-    virtual ~SkPdfTokenLooper() {}
-
-    /**
-     *  Consume a token, and draw to fCanvas as directed.
-     */
-    virtual SkPdfResult consumeToken(PdfToken& token) = 0;
-
-    /**
-     *  Consume all the tokens this looper can handle.
-     */
-    virtual void loop() = 0;
-
-protected:
-    // All are unowned pointers.
-    SkPdfTokenLooper*       fParent;
-    SkPdfNativeTokenizer*   fTokenizer;
-    SkPdfContext*           fPdfContext;
-    SkCanvas*               fCanvas;
-};
-
-#endif // SkPdfTokenLooper_DEFINED