Add DPI stettings to SkDocument::CreatePDF(). Tests will be added in a future cl, once DPI will be …

src/pdf/SkPDFDevice.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 "SkPDFDevice.h"
 
 #include "SkAnnotation.h"
@@ skipping 686 matching lines @@
 
 // TODO(vandebo) change pageSize to SkSize.
 SkPDFDevice::SkPDFDevice(const SkISize& pageSize, const SkISize& contentSize,
                          const SkMatrix& initialTransform)
     : SkBitmapDevice(makeContentBitmap(contentSize, &initialTransform)),
       fPageSize(pageSize),
       fContentSize(contentSize),
       fLastContentEntry(NULL),
       fLastMarginContentEntry(NULL),
       fClipStack(NULL),
-      fEncoder(NULL) {
+      fEncoder(NULL),
+      fRasterDpi(SkFloatToScalar(72.0f)) {
     // just report that PDF does not supports perspective
     // TODO(edisonn): update the shape when possible
     // or dump in an image otherwise
     NOT_IMPLEMENTED(initialTransform.hasPerspective(), true);
 
     // Skia generally uses the top left as the origin but PDF natively has the
     // origin at the bottom left. This matrix corrects for that.  But that only
     // needs to be done once, we don't do it when layering.
     fInitialTransform.setTranslate(0, SkIntToScalar(pageSize.fHeight));
     fInitialTransform.preScale(SK_Scalar1, -SK_Scalar1);
     fInitialTransform.preConcat(initialTransform);
 
     SkIRect existingClip = SkIRect::MakeWH(this->width(), this->height());
     fExistingClipRegion.setRect(existingClip);
 
     this->init();
 }
 
 // TODO(vandebo) change layerSize to SkSize.
 SkPDFDevice::SkPDFDevice(const SkISize& layerSize,
                          const SkClipStack& existingClipStack,
                          const SkRegion& existingClipRegion)
     : SkBitmapDevice(makeContentBitmap(layerSize, NULL)),
       fPageSize(layerSize),
       fContentSize(layerSize),
       fExistingClipStack(existingClipStack),
       fExistingClipRegion(existingClipRegion),
       fLastContentEntry(NULL),
       fLastMarginContentEntry(NULL),
-      fClipStack(NULL) {
+      fClipStack(NULL),
+      fEncoder(NULL),
+      fRasterDpi(SkFloatToScalar(72.0f)) {
     fInitialTransform.reset();
     this->init();
 }
 
 SkPDFDevice::~SkPDFDevice() {
     this->cleanUp(true);
 }
 
 void SkPDFDevice::init() {
     fAnnotations = NULL;
@@ skipping 1393 matching lines @@
 }
 
 bool SkPDFDevice::onReadPixels(const SkBitmap& bitmap, int x, int y,
                                SkCanvas::Config8888) {
     return false;
 }
 
 bool SkPDFDevice::allowImageFilter(SkImageFilter*) {
     return false;
 }