SkTextBlob GPipe serialization.

src/pipe/SkGPipeRead.cpp

 
 /*
  * Copyright 2011 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 
 #include "SkBitmapHeap.h"
 #include "SkCanvas.h"
 #include "SkPaint.h"
 #include "SkGPipe.h"
 #include "SkGPipePriv.h"
 #include "SkReader32.h"
 #include "SkStream.h"
 
 #include "SkAnnotation.h"
 #include "SkColorFilter.h"
 #include "SkDrawLooper.h"
 #include "SkImageFilter.h"
 #include "SkMaskFilter.h"
 #include "SkReadBuffer.h"
 #include "SkPatchUtils.h"
 #include "SkPathEffect.h"
 #include "SkRasterizer.h"
 #include "SkRRect.h"
 #include "SkShader.h"
+#include "SkTextBlob.h"
 #include "SkTypeface.h"
 #include "SkXfermode.h"
 
 static SkFlattenable::Type paintflat_to_flattype(PaintFlats pf) {
     static const uint8_t gEffectTypesInPaintFlatsOrder[] = {
         SkFlattenable::kSkColorFilter_Type,
         SkFlattenable::kSkDrawLooper_Type,
         SkFlattenable::kSkImageFilter_Type,
         SkFlattenable::kSkMaskFilter_Type,
         SkFlattenable::kSkPathEffect_Type,
@@ skipping 626 matching lines @@
     }
 }
 
 static void drawPicture_rp(SkCanvas* canvas, SkReader32* reader, uint32_t op32,
                            SkGPipeState* state) {
     UNIMPLEMENTED
 }
 
 static void drawTextBlob_rp(SkCanvas* canvas, SkReader32* reader, uint32_t op32,
                             SkGPipeState* state) {
-    UNIMPLEMENTED
+    SkScalar x = reader->readScalar();
+    SkScalar y = reader->readScalar();
+
+    size_t blobSize = reader->readU32();
+    const void* data = reader->skip(SkAlign4(blobSize));
+
+    SkReadBuffer blobBuffer(data, blobSize);

[mtklein, 2014/08/28 18:53:27]

This seems like a small thing, but I bet we could condition the creation of the
SkReadBuffer and call to CreateFromBuffer() on state->shouldDraw().

[f(malita), 2014/08/28 19:02:45]

Done.

+    SkAutoTUnref<const SkTextBlob> blob(SkTextBlob::CreateFromBuffer(blobBuffer));
+

[mtklein, 2014/08/28 18:53:27]

Consider SkASSERT(blob.get()) ?

[f(malita), 2014/08/28 19:02:45]

Done.

+    if (state->shouldDraw()) {
+        canvas->drawTextBlob(blob, x, y, state->paint());
+    }
 }
 ///////////////////////////////////////////////////////////////////////////////
 
 static void paintOp_rp(SkCanvas*, SkReader32* reader, uint32_t op32,
                        SkGPipeState* state) {
     size_t offset = reader->offset();
     size_t stop = offset + PaintOp_unpackData(op32);
     SkPaint* p = state->editPaint();
 
     do {
@@ skipping 246 matching lines @@
                 status = kReadAtom_Status;
                 break;
             }
     }
 
     if (bytesRead) {
         *bytesRead = reader.offset();
     }
     return status;
 }