Creating framework for drawShadowedPicture

src/core/SkRecorder.cpp

 /*
  * Copyright 2014 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 #include "SkBigPicture.h"
 #include "SkCanvasPriv.h"
 #include "SkPatchUtils.h"
@@ skipping 287 matching lines @@
     if (fDrawPictureMode == Record_DrawPictureMode) {
         fApproxBytesUsedBySubPictures += SkPictureUtils::ApproximateBytesUsed(pic);
         APPEND(DrawPicture, this->copy(paint), pic, matrix ? *matrix : SkMatrix::I());
     } else {
         SkASSERT(fDrawPictureMode == Playback_DrawPictureMode);
         SkAutoCanvasMatrixPaint acmp(this, matrix, paint, pic->cullRect());
         pic->playback(this);
     }
 }
 
+void SkRecorder::onDrawShadowedPicture(const SkPicture* pic,
+                                       const SkMatrix* matrix,
+                                       const SkPaint* paint) {
+    if (fDrawPictureMode == Record_DrawPictureMode) {
+        fApproxBytesUsedBySubPictures += SkPictureUtils::ApproximateBytesUsed(pic);
+        APPEND(DrawShadowedPicture, this->copy(paint), pic, matrix ? *matrix : SkMatrix::I());
+    } else {
+        SkASSERT(fDrawPictureMode == Playback_DrawPictureMode);
+        SkAutoCanvasMatrixPaint acmp(this,  matrix, paint, pic->cullRect());
+        pic->playback(this);
+    }
+}
+
+
 void SkRecorder::onDrawVertices(VertexMode vmode,
                                 int vertexCount, const SkPoint vertices[],
                                 const SkPoint texs[], const SkColor colors[],
                                 SkXfermode* xmode,
                                 const uint16_t indices[], int indexCount, const SkPaint& paint) {
     APPEND(DrawVertices, paint,
                          vmode,
                          vertexCount,
                          this->copy(vertices, vertexCount),
                          texs ? this->copy(texs, vertexCount) : nullptr,
@@ skipping 44 matching lines @@
 }
 
 void SkRecorder::didConcat(const SkMatrix& matrix) {
     APPEND(Concat, matrix);
 }
 
 void SkRecorder::didSetMatrix(const SkMatrix& matrix) {
     APPEND(SetMatrix, matrix);
 }
 
-void SkRecorder::didTranslateZ(SkScalar z)  {
+void SkRecorder::didTranslateZ(SkScalar z) {
+#ifdef SK_USE_SHADOWS
     APPEND(TranslateZ, z);
+#endif
 }
 
 void SkRecorder::onClipRect(const SkRect& rect, SkRegion::Op op, ClipEdgeStyle edgeStyle) {
     INHERITED(onClipRect, rect, op, edgeStyle);
     SkRecords::RegionOpAndAA opAA(op, kSoft_ClipEdgeStyle == edgeStyle);
     APPEND(ClipRect, this->devBounds(), rect, opAA);
 }
 
 void SkRecorder::onClipRRect(const SkRRect& rrect, SkRegion::Op op, ClipEdgeStyle edgeStyle) {
     INHERITED(onClipRRect, rrect, op, edgeStyle);
     SkRecords::RegionOpAndAA opAA(op, kSoft_ClipEdgeStyle == edgeStyle);
     APPEND(ClipRRect, this->devBounds(), rrect, opAA);
 }
 
 void SkRecorder::onClipPath(const SkPath& path, SkRegion::Op op, ClipEdgeStyle edgeStyle) {
     INHERITED(onClipPath, path, op, edgeStyle);
     SkRecords::RegionOpAndAA opAA(op, kSoft_ClipEdgeStyle == edgeStyle);
     APPEND(ClipPath, this->devBounds(), path, opAA);
 }
 
 void SkRecorder::onClipRegion(const SkRegion& deviceRgn, SkRegion::Op op) {
     INHERITED(onClipRegion, deviceRgn, op);
     APPEND(ClipRegion, this->devBounds(), deviceRgn, op);
 }
 
 sk_sp<SkSurface> SkRecorder::onNewSurface(const SkImageInfo&, const SkSurfaceProps&) {
     return nullptr;
 }