1 /* 2 * Copyright 2014 Google Inc. 3 * 4 * Use of this source code is governed by a BSD-style license that can be 5 * found in the LICENSE file. 6 */ 7 8 #ifndef SkPictureContentInfo_DEFINED 9 #define SkPictureContentInfo_DEFINED 10 11 class GrContext; 12 13 class SkPictureContentInfo { 14 public: 15 SkPictureContentInfo() { this->reset(); } 16 SkPictureContentInfo(const SkPictureContentInfo& src) { this->set(src); } 17 18 int numOperations() const { return fNumOperations; } 19 bool hasText() const { return fNumTexts > 0; } 20 21 int numLayers() const { return fNumLayers; } 22 int numInteriorLayers() const { return fNumInteriorLayers; } 23 int numLeafLayers() const { return fNumLeafLayers; } 24 25 bool suitableForGpuRasterization(GrContext* context, const char **reason, 26 int sampleCount) const; 27 28 void addOperation() { ++fNumOperations; } 29 30 void onDrawPoints(size_t count, const SkPaint& paint); 31 void onDrawPath(const SkPath& path, const SkPaint& paint); 32 void onAddPaintPtr(const SkPaint* paint); 33 void onDrawText() { ++fNumTexts; } 34 35 void onSaveLayer(); 36 void onSave(); 37 void onRestore(); 38 void rescindLastSave(); 39 void rescindLastSaveLayer(); 40 41 void set(const SkPictureContentInfo& src); 42 void reset(); 43 void swap(SkPictureContentInfo* other); 44 45 private: 46 // Raw count of operations in the picture 47 int fNumOperations; 48 // Count of all forms of drawText 49 int fNumTexts; 50 51 // This field is incremented every time a paint with a path effect is 52 // used (i.e., it is not a de-duplicated count) 53 int fNumPaintWithPathEffectUses; 54 // This field is incremented every time a paint with a path effect that is 55 // dashed, we are drawing a line, and we can use the gpu fast path 56 int fNumFastPathDashEffects; 57 // This field is incremented every time an anti-aliased drawPath call is 58 // issued with a concave path 59 int fNumAAConcavePaths; 60 // This field is incremented every time a drawPath call is 61 // issued for a hairline stroked concave path. 62 int fNumAAHairlineConcavePaths; 63 // These fields track the different layer flavors. fNumLayers is just 64 // a count of all saveLayers, fNumInteriorLayers is the number of layers 65 // with a layer inside them, fNumLeafLayers is the number of layers with 66 // no layer inside them. 67 int fNumLayers; 68 int fNumInteriorLayers; 69 int fNumLeafLayers; 70 71 enum Flags { 72 kSave_Flag = 0x1, 73 kSaveLayer_Flag = 0x2, 74 75 // Did the current save or saveLayer contain another saveLayer. 76 // Percolated back down the save stack. 77 kContainedSaveLayer_Flag = 0x4 78 }; 79 80 // Stack of save vs saveLayer information to track nesting 81 SkTDArray<uint32_t> fSaveStack; 82 }; 83 84 #endif 85
