skia2/tools/vulkan/viewer/VulkanViewer.h
jvanverth c265a92741 More cleanup in the Vulkan viewer
* add animation support for GMs
* don't load all SkPictures at start, only as needed
* don't update constantly, only for animation or stats
* hide/show stats
* scale slides up/down

BUG=skia:
GOLD_TRYBOT_URL= https://gold.skia.org/search2?unt=true&query=source_type%3Dgm&master=false&issue=1873733003

Review URL: https://codereview.chromium.org/1873733003
2016-04-08 12:51:45 -07:00

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1.4 KiB
C++

/*
* Copyright 2016 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef VulkanViewer_DEFINED
#define VulkanViewer_DEFINED
#include "../Application.h"
#include "../Window.h"
#include "gm.h"
#include "SkAnimTimer.h"
#include "Slide.h"
class SkCanvas;
class VulkanViewer : public Application {
public:
VulkanViewer(int argc, char** argv, void* platformData);
~VulkanViewer() override;
bool onKey(Window::Key key, Window::InputState state, uint32_t modifiers);
bool onChar(SkUnichar, uint32_t modifiers);
void onPaint(SkCanvas* canvas);
void onIdle(double ms) override;
private:
void initSlides();
void setupCurrentSlide(int previousSlide);
void drawStats(SkCanvas* canvas);
void changeZoomLevel(float delta);
void updateMatrix();
Window* fWindow;
static const int kMeasurementCount = 64; // should be power of 2 for fast mod
double fMeasurements[kMeasurementCount];
int fCurrentMeasurement;
SkAnimTimer fAnimTimer;
SkTArray<sk_sp<Slide>> fSlides;
int fCurrentSlide;
bool fDisplayStats;
// transform data
SkMatrix fLocalMatrix;
SkScalar fZoomCenterX;
SkScalar fZoomCenterY;
SkScalar fZoomLevel;
SkScalar fZoomScale;
};
#endif