Update the SkDocument interface to allow for 1) abort won't emit pdf, 2) close can report success/f…

src/pdf/SkPDFShader.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 "SkPDFShader.h"
 
-#include "SkCanvas.h"
 #include "SkData.h"
 #include "SkPDFCatalog.h"
 #include "SkPDFDevice.h"
 #include "SkPDFFormXObject.h"
 #include "SkPDFGraphicState.h"
 #include "SkPDFResourceDict.h"
 #include "SkPDFUtils.h"
 #include "SkScalar.h"
 #include "SkStream.h"
 #include "SkTemplates.h"
@@ skipping 840 matching lines @@
     if (tileModes[0] != SkShader::kClamp_TileMode ||
             tileModes[1] != SkShader::kClamp_TileMode) {
         deviceBounds.join(bitmapBounds);
     }
 
     SkMatrix unflip;
     unflip.setTranslate(0, SkScalarRoundToScalar(deviceBounds.height()));
     unflip.preScale(SK_Scalar1, -SK_Scalar1);
     SkISize size = SkISize::Make(SkScalarRound(deviceBounds.width()),
                                  SkScalarRound(deviceBounds.height()));
+    // TODO(edisonn): should we pass here the DCT encoder of the destination device?
+    // TODO(edisonn): NYI Perspective, use SkPDFDeviceFlattener.
     SkPDFDevice pattern(size, size, unflip);
     SkCanvas canvas(&pattern);
 
     SkRect patternBBox;
     image->getBounds(&patternBBox);
 
     // Translate the canvas so that the bitmap origin is at (0, 0).
     canvas.translate(-deviceBounds.left(), -deviceBounds.top());
     patternBBox.offset(-deviceBounds.left(), -deviceBounds.top());
     // Undo the translation in the final matrix
@@ skipping 334 matching lines @@
     return false;
 }
 
 void SkPDFShader::State::AllocateGradientInfoStorage() {
     fColorData.set(sk_malloc_throw(
                fInfo.fColorCount * (sizeof(SkColor) + sizeof(SkScalar))));
     fInfo.fColors = reinterpret_cast<SkColor*>(fColorData.get());
     fInfo.fColorOffsets =
             reinterpret_cast<SkScalar*>(fInfo.fColors + fInfo.fColorCount);
 }