1*c8dee2aaSAndroid Build Coastguard Worker /* 2*c8dee2aaSAndroid Build Coastguard Worker * Copyright 2022 Google LLC 3*c8dee2aaSAndroid Build Coastguard Worker * 4*c8dee2aaSAndroid Build Coastguard Worker * Use of this source code is governed by a BSD-style license that can be 5*c8dee2aaSAndroid Build Coastguard Worker * found in the LICENSE file. 6*c8dee2aaSAndroid Build Coastguard Worker */ 7*c8dee2aaSAndroid Build Coastguard Worker 8*c8dee2aaSAndroid Build Coastguard Worker // TestCanvas is a simple way to make a testing canvas which is allowed to use private 9*c8dee2aaSAndroid Build Coastguard Worker // facilities of SkCanvas without having to add a friend to SkCanvas.h. 10*c8dee2aaSAndroid Build Coastguard Worker // 11*c8dee2aaSAndroid Build Coastguard Worker // You create a Key (a simple empty struct) to make a template specialization class. You need to 12*c8dee2aaSAndroid Build Coastguard Worker // make a key for each of the different Canvases you need. The implementations of the canvases 13*c8dee2aaSAndroid Build Coastguard Worker // are in SkCanvas.cpp, which allows the use of helper classes. 14*c8dee2aaSAndroid Build Coastguard Worker 15*c8dee2aaSAndroid Build Coastguard Worker #ifndef TestCanvas_DEFINED 16*c8dee2aaSAndroid Build Coastguard Worker #define TestCanvas_DEFINED 17*c8dee2aaSAndroid Build Coastguard Worker 18*c8dee2aaSAndroid Build Coastguard Worker #include "include/core/SkCanvas.h" 19*c8dee2aaSAndroid Build Coastguard Worker #include "include/core/SkRefCnt.h" 20*c8dee2aaSAndroid Build Coastguard Worker #include "include/private/chromium/SkChromeRemoteGlyphCache.h" 21*c8dee2aaSAndroid Build Coastguard Worker 22*c8dee2aaSAndroid Build Coastguard Worker #include <memory> 23*c8dee2aaSAndroid Build Coastguard Worker 24*c8dee2aaSAndroid Build Coastguard Worker class SkPaint; 25*c8dee2aaSAndroid Build Coastguard Worker 26*c8dee2aaSAndroid Build Coastguard Worker namespace sktext { class GlyphRunList; } 27*c8dee2aaSAndroid Build Coastguard Worker 28*c8dee2aaSAndroid Build Coastguard Worker namespace skiatest { 29*c8dee2aaSAndroid Build Coastguard Worker 30*c8dee2aaSAndroid Build Coastguard Worker // You can only make template specializations of TestCanvas. 31*c8dee2aaSAndroid Build Coastguard Worker template <typename Key> class TestCanvas; 32*c8dee2aaSAndroid Build Coastguard Worker 33*c8dee2aaSAndroid Build Coastguard Worker // A test canvas to test using slug rendering instead of text blob rendering. 34*c8dee2aaSAndroid Build Coastguard Worker struct SkSlugTestKey {}; 35*c8dee2aaSAndroid Build Coastguard Worker template <> 36*c8dee2aaSAndroid Build Coastguard Worker class TestCanvas<SkSlugTestKey> : public SkCanvas { 37*c8dee2aaSAndroid Build Coastguard Worker public: 38*c8dee2aaSAndroid Build Coastguard Worker TestCanvas(SkCanvas* canvas); 39*c8dee2aaSAndroid Build Coastguard Worker void onDrawGlyphRunList( 40*c8dee2aaSAndroid Build Coastguard Worker const sktext::GlyphRunList& glyphRunList, const SkPaint& paint) override; 41*c8dee2aaSAndroid Build Coastguard Worker }; 42*c8dee2aaSAndroid Build Coastguard Worker 43*c8dee2aaSAndroid Build Coastguard Worker struct SkSerializeSlugTestKey {}; 44*c8dee2aaSAndroid Build Coastguard Worker template <> 45*c8dee2aaSAndroid Build Coastguard Worker class TestCanvas<SkSerializeSlugTestKey> : public SkCanvas { 46*c8dee2aaSAndroid Build Coastguard Worker public: 47*c8dee2aaSAndroid Build Coastguard Worker TestCanvas(SkCanvas* canvas); 48*c8dee2aaSAndroid Build Coastguard Worker void onDrawGlyphRunList( 49*c8dee2aaSAndroid Build Coastguard Worker const sktext::GlyphRunList& glyphRunList, const SkPaint& paint) override; 50*c8dee2aaSAndroid Build Coastguard Worker }; 51*c8dee2aaSAndroid Build Coastguard Worker 52*c8dee2aaSAndroid Build Coastguard Worker struct SkRemoteSlugTestKey {}; 53*c8dee2aaSAndroid Build Coastguard Worker template <> 54*c8dee2aaSAndroid Build Coastguard Worker class TestCanvas<SkRemoteSlugTestKey> : public SkCanvas { 55*c8dee2aaSAndroid Build Coastguard Worker public: 56*c8dee2aaSAndroid Build Coastguard Worker TestCanvas(SkCanvas* canvas); 57*c8dee2aaSAndroid Build Coastguard Worker ~TestCanvas() override; 58*c8dee2aaSAndroid Build Coastguard Worker void onDrawGlyphRunList( 59*c8dee2aaSAndroid Build Coastguard Worker const sktext::GlyphRunList& glyphRunList, const SkPaint& paint) override; 60*c8dee2aaSAndroid Build Coastguard Worker 61*c8dee2aaSAndroid Build Coastguard Worker private: 62*c8dee2aaSAndroid Build Coastguard Worker std::unique_ptr<SkStrikeServer::DiscardableHandleManager> fServerHandleManager; 63*c8dee2aaSAndroid Build Coastguard Worker sk_sp<SkStrikeClient::DiscardableHandleManager> fClientHandleManager; 64*c8dee2aaSAndroid Build Coastguard Worker SkStrikeServer fStrikeServer; 65*c8dee2aaSAndroid Build Coastguard Worker SkStrikeClient fStrikeClient; 66*c8dee2aaSAndroid Build Coastguard Worker }; 67*c8dee2aaSAndroid Build Coastguard Worker 68*c8dee2aaSAndroid Build Coastguard Worker } // namespace skiatest 69*c8dee2aaSAndroid Build Coastguard Worker 70*c8dee2aaSAndroid Build Coastguard Worker #endif // TestCanvas_DEFINED 71