Revert "Allow supporting 1 older PICTURE_VERSION."

This reverts commit deb9d6990ef2d153230340d960d86b0966f261e1.

That change was just to allow us to bump the PICTURE_VERSION
without changing the SKPs to the new one. Since it is not
entirely reliable, I am removing it.

R=rmistry@google.com

Review URL: https://codereview.chromium.org/14741007

git-svn-id: http://skia.googlecode.com/svn/trunk@9035 2bbb7eff-a529-9590-31e7-b0007b416f81

5 files changed, 38 insertions, 85 deletions

diff --git a/include/core/SkPicture.h b/include/core/SkPicture.h
index 157c4cafb6..b2c2b62ede 100644
--- a/include/core/SkPicture.h
+++ b/include/core/SkPicture.h
@@ -192,6 +192,7 @@ public:
     void abortPlayback();
 #endif
 
+protected:
     // V2 : adds SkPixelRef's generation ID.
     // V3 : PictInfo tag at beginning, and EOF tag at the end
     // V4 : move SkPictInfo to be the header
@@ -205,7 +206,6 @@ public:
     // V11: modify how readBitmap and writeBitmap store their info.
     static const uint32_t PICTURE_VERSION = 11;
 
-protected:
     // fPlayback, fRecord, fWidth & fHeight are protected to allow derived classes to
     // install their own SkPicturePlayback-derived players,SkPictureRecord-derived
     // recorders and set the picture size
diff --git a/src/core/SkOrderedReadBuffer.cpp b/src/core/SkOrderedReadBuffer.cpp
index a5be45eab1..85491c5607 100644
--- a/src/core/SkOrderedReadBuffer.cpp
+++ b/src/core/SkOrderedReadBuffer.cpp
@@ -23,7 +23,6 @@ SkOrderedReadBuffer::SkOrderedReadBuffer() : INHERITED() {
     fFactoryArray = NULL;
     fFactoryCount = 0;
     fBitmapDecoder = NULL;
-    fPictureVersion = SkPicture::PICTURE_VERSION;
 }
 
 SkOrderedReadBuffer::SkOrderedReadBuffer(const void* data, size_t size) : INHERITED()  {
@@ -38,7 +37,6 @@ SkOrderedReadBuffer::SkOrderedReadBuffer(const void* data, size_t size) : INHERI
     fFactoryArray = NULL;
     fFactoryCount = 0;
     fBitmapDecoder = NULL;
-    fPictureVersion = SkPicture::PICTURE_VERSION;
 }
 
 SkOrderedReadBuffer::SkOrderedReadBuffer(SkStream* stream) {
@@ -55,7 +53,6 @@ SkOrderedReadBuffer::SkOrderedReadBuffer(SkStream* stream) {
     fFactoryArray = NULL;
     fFactoryCount = 0;
     fBitmapDecoder = NULL;
-    fPictureVersion = SkPicture::PICTURE_VERSION;
 }
 
 SkOrderedReadBuffer::~SkOrderedReadBuffer() {
@@ -171,88 +168,52 @@ uint32_t SkOrderedReadBuffer::getArrayCount() {
     return *(uint32_t*)fReader.peek();
 }
 
-void SkOrderedReadBuffer::setPictureVersion(uint32_t version) {
-    SkASSERT(version <= SkPicture::PICTURE_VERSION);
-    fPictureVersion = version;
-}
-
 void SkOrderedReadBuffer::readBitmap(SkBitmap* bitmap) {
-    if (10 == fPictureVersion) {
-        // Old code to read a bitmap in PICTURE_VERSION 10
+    const int width = this->readInt();
+    const int height = this->readInt();
+    // The writer stored a boolean value to determine whether an SkBitmapHeap was used during
+    // writing.
+    if (this->readBool()) {
+        // An SkBitmapHeap was used for writing. Read the index from the stream and find the
+        // corresponding SkBitmap in fBitmapStorage.
+        const uint32_t index = fReader.readU32();
+        fReader.readU32(); // bitmap generation ID (see SkOrderedWriteBuffer::writeBitmap)
+        if (fBitmapStorage) {
+            *bitmap = *fBitmapStorage->getBitmap(index);
+            fBitmapStorage->releaseRef(index);
+            return;
+        } else {
+            // The bitmap was stored in a heap, but there is no way to access it. Set an error and
+            // fall through to use a place holder bitmap.
+            SkErrorInternals::SetError(kParseError_SkError, "SkOrderedWriteBuffer::writeBitmap "
+                                       "stored the SkBitmap in an SkBitmapHeap, but "
+                                       "SkOrderedReadBuffer has no SkBitmapHeapReader to "
+                                       "retrieve the SkBitmap.");
+        }
+    } else {
+        // The writer stored false, meaning the SkBitmap was not stored in an SkBitmapHeap.
         const size_t length = this->readUInt();
         if (length > 0) {
-            // Bitmap was encoded.
+            // A non-zero size means the SkBitmap was encoded.
             const void* data = this->skip(length);
-            const int width = this->readInt();
-            const int height = this->readInt();
             if (fBitmapDecoder != NULL && fBitmapDecoder(data, length, bitmap)) {
                 SkASSERT(bitmap->width() == width && bitmap->height() == height);
-            } else {
-                // This bitmap was encoded when written, but we are unable to decode, possibly due to
-                // not having a decoder. Use a placeholder bitmap.
-                SkErrorInternals::SetError(kParseError_SkError,
-                                           "Could not decode bitmap. Resulting bitmap will be red.");
-                bitmap->setConfig(SkBitmap::kARGB_8888_Config, width, height);
-                bitmap->allocPixels();
-                bitmap->eraseColor(SK_ColorRED);
-            }
-        } else {
-            if (fBitmapStorage) {
-                const uint32_t index = fReader.readU32();
-                fReader.readU32(); // bitmap generation ID (see SkOrderedWriteBuffer::writeBitmap)
-                *bitmap = *fBitmapStorage->getBitmap(index);
-                fBitmapStorage->releaseRef(index);
-            } else {
-                bitmap->unflatten(*this);
-            }
-        }
-    } else {
-        const int width = this->readInt();
-        const int height = this->readInt();
-        // The writer stored a boolean value to determine whether an SkBitmapHeap was used during
-        // writing.
-        if (this->readBool()) {
-            // An SkBitmapHeap was used for writing. Read the index from the stream and find the
-            // corresponding SkBitmap in fBitmapStorage.
-            const uint32_t index = fReader.readU32();
-            fReader.readU32(); // bitmap generation ID (see SkOrderedWriteBuffer::writeBitmap)
-            if (fBitmapStorage) {
-                *bitmap = *fBitmapStorage->getBitmap(index);
-                fBitmapStorage->releaseRef(index);
                 return;
-            } else {
-                // The bitmap was stored in a heap, but there is no way to access it. Set an error and
-                // fall through to use a place holder bitmap.
-                SkErrorInternals::SetError(kParseError_SkError, "SkOrderedWriteBuffer::writeBitmap "
-                                           "stored the SkBitmap in an SkBitmapHeap, but "
-                                           "SkOrderedReadBuffer has no SkBitmapHeapReader to "
-                                           "retrieve the SkBitmap.");
             }
+            // This bitmap was encoded when written, but we are unable to decode, possibly due to
+            // not having a decoder.
+            SkErrorInternals::SetError(kParseError_SkError,
+                                       "Could not decode bitmap. Resulting bitmap will be red.");
         } else {
-            // The writer stored false, meaning the SkBitmap was not stored in an SkBitmapHeap.
-            const size_t length = this->readUInt();
-            if (length > 0) {
-                // A non-zero size means the SkBitmap was encoded.
-                const void* data = this->skip(length);
-                if (fBitmapDecoder != NULL && fBitmapDecoder(data, length, bitmap)) {
-                    SkASSERT(bitmap->width() == width && bitmap->height() == height);
-                    return;
-                }
-                // This bitmap was encoded when written, but we are unable to decode, possibly due to
-                // not having a decoder.
-                SkErrorInternals::SetError(kParseError_SkError,
-                                           "Could not decode bitmap. Resulting bitmap will be red.");
-            } else {
-                // A size of zero means the SkBitmap was simply flattened.
-                bitmap->unflatten(*this);
-                return;
-            }
+            // A size of zero means the SkBitmap was simply flattened.
+            bitmap->unflatten(*this);
+            return;
         }
-        // Could not read the SkBitmap. Use a placeholder bitmap.
-        bitmap->setConfig(SkBitmap::kARGB_8888_Config, width, height);
-        bitmap->allocPixels();
-        bitmap->eraseColor(SK_ColorRED);
     }
+    // Could not read the SkBitmap. Use a placeholder bitmap.
+    bitmap->setConfig(SkBitmap::kARGB_8888_Config, width, height);
+    bitmap->allocPixels();
+    bitmap->eraseColor(SK_ColorRED);
 }
 
 SkTypeface* SkOrderedReadBuffer::readTypeface() {
diff --git a/src/core/SkOrderedReadBuffer.h b/src/core/SkOrderedReadBuffer.h
index f59b9bb7bb..c609ec8be2 100644
--- a/src/core/SkOrderedReadBuffer.h
+++ b/src/core/SkOrderedReadBuffer.h
@@ -27,8 +27,6 @@ public:
 
     virtual SkOrderedReadBuffer* getOrderedBinaryBuffer() SK_OVERRIDE { return this; }
 
-    void setPictureVersion(uint32_t version);
-
     SkReader32* getReader32() { return &fReader; }
 
     uint32_t size() { return fReader.size(); }
@@ -123,7 +121,6 @@ private:
     int                     fFactoryCount;
 
     SkPicture::InstallPixelRefProc fBitmapDecoder;
-    uint32_t fPictureVersion;
 
     typedef SkFlattenableReadBuffer INHERITED;
 };
diff --git a/src/core/SkPicture.cpp b/src/core/SkPicture.cpp
index 39d0653a1b..1ff5865651 100644
--- a/src/core/SkPicture.cpp
+++ b/src/core/SkPicture.cpp
@@ -6,7 +6,7 @@
  * found in the LICENSE file.
  */
 
-#include "SkErrorInternals.h"
+
 #include "SkPictureFlat.h"
 #include "SkPicturePlayback.h"
 #include "SkPictureRecord.h"
@@ -283,13 +283,9 @@ void SkPicture::initFromStream(SkStream* stream, bool* success, InstallPixelRefP
     SkPictInfo info;
 
     if (!stream->read(&info, sizeof(info))) {
-        SkErrorInternals::SetError(kParseError_SkError, "Failed to parse skp info.");
         return;
     }
-
-    if (info.fVersion < 10 || info.fVersion > PICTURE_VERSION) {
-        SkErrorInternals::SetError(kParseError_SkError, "skp version %d not supported.",
-                                   info.fVersion);
+    if (PICTURE_VERSION != info.fVersion) {
         return;
     }
 
diff --git a/src/core/SkPicturePlayback.cpp b/src/core/SkPicturePlayback.cpp
index e534abaa55..d54a6c5f3b 100644
--- a/src/core/SkPicturePlayback.cpp
+++ b/src/core/SkPicturePlayback.cpp
@@ -537,7 +537,6 @@ void SkPicturePlayback::parseStreamTag(SkStream* stream, const SkPictInfo& info,
 
             SkOrderedReadBuffer buffer(storage.get(), size);
             buffer.setFlags(pictInfoFlagsToReadBufferFlags(info.fFlags));
-            buffer.setPictureVersion(info.fVersion);
 
             fFactoryPlayback->setupBuffer(buffer);
             fTFPlayback.setupBuffer(buffer);