[SkDebugger] Flatten drawPicture ops

src/utils/debugger/SkDrawCommand.cpp

 
 /*
  * Copyright 2012 Google Inc.
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 
 #include "SkDrawCommand.h"
 #include "SkObjectParser.h"
 #include "SkPicture.h"
 #include "SkTextBlob.h"
 
 // TODO(chudy): Refactor into non subclass model.
 
 SkDrawCommand::SkDrawCommand(OpType type)
     : fOpType(type)
     , fVisible(true) {
 }
 
 SkDrawCommand::~SkDrawCommand() {
     fInfo.deleteAll();
 }
 
 const char* SkDrawCommand::GetCommandString(OpType type) {
     switch (type) {
         case kBeginCommentGroup_OpType: return "BeginCommentGroup";
+        case kBeginDrawPicture_OpType: return "BeginDrawPicture";
         case kClipPath_OpType: return "ClipPath";
         case kClipRegion_OpType: return "ClipRegion";
         case kClipRect_OpType: return "ClipRect";
         case kClipRRect_OpType: return "ClipRRect";
         case kComment_OpType: return "Comment";
         case kConcat_OpType: return "Concat";
         case kDrawBitmap_OpType: return "DrawBitmap";
         case kDrawBitmapNine_OpType: return "DrawBitmapNine";
         case kDrawBitmapRect_OpType: return "DrawBitmapRect";
         case kDrawClear_OpType: return "DrawClear";
         case kDrawDRRect_OpType: return "DrawDRRect";
         case kDrawOval_OpType: return "DrawOval";
         case kDrawPaint_OpType: return "DrawPaint";
         case kDrawPatch_OpType: return "DrawPatch";
         case kDrawPath_OpType: return "DrawPath";
-        case kDrawPicture_OpType: return "DrawPicture";
         case kDrawPoints_OpType: return "DrawPoints";
         case kDrawPosText_OpType: return "DrawPosText";
         case kDrawPosTextH_OpType: return "DrawPosTextH";
         case kDrawRect_OpType: return "DrawRect";
         case kDrawRRect_OpType: return "DrawRRect";
         case kDrawSprite_OpType: return "DrawSprite";
         case kDrawText_OpType: return "DrawText";
         case kDrawTextBlob_OpType: return "DrawTextBlob";
         case kDrawTextOnPath_OpType: return "DrawTextOnPath";
         case kDrawVertices_OpType: return "DrawVertices";
         case kEndCommentGroup_OpType: return "EndCommentGroup";
+        case kEndDrawPicture_OpType: return "EndDrawPicture";
         case kRestore_OpType: return "Restore";
         case kSave_OpType: return "Save";
         case kSaveLayer_OpType: return "SaveLayer";
         case kSetMatrix_OpType: return "SetMatrix";
         default:
             SkDebugf("OpType error 0x%08x\n", type);
             SkASSERT(0);
             break;
     }
     SkDEBUGFAIL("DrawType UNUSED\n");
@@ skipping 372 matching lines @@
 
 void SkDrawPathCommand::execute(SkCanvas* canvas) const {
     canvas->drawPath(fPath, fPaint);
 }
 
 bool SkDrawPathCommand::render(SkCanvas* canvas) const {
     render_path(canvas, fPath);
     return true;
 }
 
-SkDrawPictureCommand::SkDrawPictureCommand(const SkPicture* picture,
-                                           const SkMatrix* matrix,
-                                           const SkPaint* paint)
-    : INHERITED(kDrawPicture_OpType)
-    , fPicture(SkRef(picture))
-    , fMatrixPtr(NULL)
-    , fPaintPtr(NULL) {
+SkBeginDrawPictureCommand::SkBeginDrawPictureCommand(const SkPicture* picture,
+                                                     const SkMatrix* matrix,
+                                                     const SkPaint* paint)
+    : INHERITED(kBeginDrawPicture_OpType)
+    , fPicture(SkRef(picture)) {
+
+    SkString* str = new SkString;
+    str->appendf("SkPicture: L: %f T: %f R: %f B: %f",
+                 picture->cullRect().fLeft, picture->cullRect().fTop,
+                 picture->cullRect().fRight, picture->cullRect().fBottom);
+    fInfo.push(str);
 
     if (matrix) {
-        fMatrix = *matrix;
-        fMatrixPtr = &fMatrix;
-    }
-    if (paint) {
-        fPaint = *paint;
-        fPaintPtr = &fPaint;
+        fMatrix.set(*matrix);
+        fInfo.push(SkObjectParser::MatrixToString(*matrix));
     }
 
-    SkString* temp = new SkString;
-    temp->appendf("SkPicture: L: %f T: %f R: %f B: %f",
-                  picture->cullRect().fLeft, picture->cullRect().fTop,
-                  picture->cullRect().fRight, picture->cullRect().fBottom);
-    fInfo.push(temp);
-    if (matrix) {
-        fInfo.push(SkObjectParser::MatrixToString(*matrix));
+    if (paint) {
+        fPaint.set(*paint);
+        fInfo.push(SkObjectParser::PaintToString(*paint));
     }
-    if (paint) {
-        fInfo.push(SkObjectParser::PaintToString(*paint));
+
+}
+
+void SkBeginDrawPictureCommand::execute(SkCanvas* canvas) const {
+    if (fPaint.isValid()) {
+        SkRect bounds = fPicture->cullRect();
+        if (fMatrix.isValid()) {
+            fMatrix.get()->mapRect(&bounds);
+        }
+        canvas->saveLayer(&bounds, fPaint.get());
+    }
+
+    if (fMatrix.isValid()) {
+        if (!fPaint.isValid()) {
+            canvas->save();
+        }
+        canvas->concat(*fMatrix.get());
     }
 }
 
-void SkDrawPictureCommand::execute(SkCanvas* canvas) const {
-    canvas->drawPicture(fPicture, fMatrixPtr, fPaintPtr);
-}
-
-bool SkDrawPictureCommand::render(SkCanvas* canvas) const {
+bool SkBeginDrawPictureCommand::render(SkCanvas* canvas) const {
     canvas->clear(0xFFFFFFFF);
     canvas->save();
 
     xlate_and_scale_to_bounds(canvas, fPicture->cullRect());
 
     canvas->drawPicture(fPicture.get());
 
     canvas->restore();
 
     return true;
 }
 
+SkEndDrawPictureCommand::SkEndDrawPictureCommand(bool restore)
+    : INHERITED(kEndDrawPicture_OpType) , fRestore(restore) { }
+
+void SkEndDrawPictureCommand::execute(SkCanvas* canvas) const {
+    if (fRestore) {
+        canvas->restore();
+    }
+}
+
 SkDrawPointsCommand::SkDrawPointsCommand(SkCanvas::PointMode mode, size_t count,
                                          const SkPoint pts[], const SkPaint& paint)
     : INHERITED(kDrawPoints_OpType) {
     fMode = mode;
     fCount = count;
     fPts = new SkPoint[count];
     memcpy(fPts, pts, count * sizeof(SkPoint));
     fPaint = paint;
 
     fInfo.push(SkObjectParser::PointsToString(pts, count));
@@ skipping 389 matching lines @@
 
 void SkSetMatrixCommand::setUserMatrix(const SkMatrix& userMatrix) {
     fUserMatrix = userMatrix;
 }
 
 void SkSetMatrixCommand::execute(SkCanvas* canvas) const {
     SkMatrix temp = SkMatrix::Concat(fUserMatrix, fMatrix);
     canvas->setMatrix(temp);
 }