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1 /* | 1 /* |
2 * Copyright 2016 Google Inc. | 2 * Copyright 2016 Google Inc. |
3 * | 3 * |
4 * Use of this source code is governed by a BSD-style license that can be | 4 * Use of this source code is governed by a BSD-style license that can be |
5 * found in the LICENSE file. | 5 * found in the LICENSE file. |
6 */ | 6 */ |
7 | 7 |
8 #ifndef Viewer_DEFINED | 8 #ifndef Viewer_DEFINED |
9 #define Viewer_DEFINED | 9 #define Viewer_DEFINED |
10 | 10 |
11 #include "sk_app/Application.h" | 11 #include "sk_app/Application.h" |
12 #include "sk_app/CommandSet.h" | 12 #include "sk_app/CommandSet.h" |
13 #include "sk_app/Window.h" | 13 #include "sk_app/Window.h" |
14 #include "gm.h" | 14 #include "gm.h" |
15 #include "SkAnimTimer.h" | 15 #include "SkAnimTimer.h" |
16 #include "Slide.h" | 16 #include "Slide.h" |
17 | 17 |
18 class SkCanvas; | 18 class SkCanvas; |
19 | 19 |
20 class Viewer : public sk_app::Application { | 20 class Viewer : public sk_app::Application { |
21 public: | 21 public: |
22 Viewer(int argc, char** argv, void* platformData); | 22 Viewer(int argc, char** argv, void* platformData); |
23 ~Viewer() override; | 23 ~Viewer() override; |
24 | 24 |
25 void onPaint(SkCanvas* canvas); | 25 void onPaint(SkCanvas* canvas); |
26 void onIdle(double ms) override; | 26 void onIdle(double ms) override; |
| 27 bool onTouch(int owner, sk_app::Window::InputState state, float x, float y); |
27 | 28 |
28 private: | 29 private: |
29 void initSlides(); | 30 void initSlides(); |
30 void updateTitle(); | 31 void updateTitle(); |
31 void setupCurrentSlide(int previousSlide); | 32 void setupCurrentSlide(int previousSlide); |
32 | 33 |
33 void drawStats(SkCanvas* canvas); | 34 void drawStats(SkCanvas* canvas); |
34 | 35 |
35 void changeZoomLevel(float delta); | 36 void changeZoomLevel(float delta); |
36 void updateMatrix(); | 37 SkMatrix computeMatrix(); |
37 | 38 |
38 sk_app::Window* fWindow; | 39 sk_app::Window* fWindow; |
39 | 40 |
40 static const int kMeasurementCount = 64; // should be power of 2 for fast m
od | 41 static const int kMeasurementCount = 64; // should be power of 2 for fast m
od |
41 double fMeasurements[kMeasurementCount]; | 42 double fMeasurements[kMeasurementCount]; |
42 int fCurrentMeasurement; | 43 int fCurrentMeasurement; |
43 | 44 |
44 SkAnimTimer fAnimTimer; | 45 SkAnimTimer fAnimTimer; |
45 SkTArray<sk_sp<Slide>> fSlides; | 46 SkTArray<sk_sp<Slide>> fSlides; |
46 int fCurrentSlide; | 47 int fCurrentSlide; |
47 | 48 |
48 bool fDisplayStats; | 49 bool fDisplayStats; |
49 | 50 |
50 // transform data | 51 // transform data |
51 SkMatrix fLocalMatrix; | |
52 SkScalar fZoomCenterX; | 52 SkScalar fZoomCenterX; |
53 SkScalar fZoomCenterY; | 53 SkScalar fZoomCenterY; |
54 SkScalar fZoomLevel; | 54 SkScalar fZoomLevel; |
55 SkScalar fZoomScale; | 55 SkScalar fZoomScale; |
56 | 56 |
57 sk_app::CommandSet fCommands; | 57 sk_app::CommandSet fCommands; |
| 58 |
| 59 SkTouchGesture fGesture; |
58 }; | 60 }; |
59 | 61 |
60 | 62 |
61 #endif | 63 #endif |
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