moz-skia/samplecode/SampleCode.h

82 строки
1.9 KiB
C++

#ifndef SampleCode_DEFINED
#define SampleCode_DEFINED
#include "SkColor.h"
#include "SkEvent.h"
#include "SkKey.h"
#include "SkView.h"
class SampleCode {
public:
static bool KeyQ(const SkEvent&, SkKey* outKey);
static bool CharQ(const SkEvent&, SkUnichar* outUni);
static bool TitleQ(const SkEvent&);
static void TitleR(SkEvent*, const char title[]);
static bool PrefSizeQ(const SkEvent&);
static void PrefSizeR(SkEvent*, SkScalar width, SkScalar height);
static bool FastTextQ(const SkEvent&);
static SkMSec GetAnimTime();
static SkMSec GetAnimTimeDelta();
static SkScalar GetAnimSecondsDelta();
static SkScalar GetAnimScalar(SkScalar speedPerSec, SkScalar period = 0);
};
//////////////////////////////////////////////////////////////////////////////
typedef SkView* (*SkViewFactory)();
class SkViewRegister : SkNoncopyable {
public:
explicit SkViewRegister(SkViewFactory);
static const SkViewRegister* Head() { return gHead; }
SkViewRegister* next() const { return fChain; }
SkViewFactory factory() const { return fFact; }
private:
SkViewFactory fFact;
SkViewRegister* fChain;
static SkViewRegister* gHead;
};
///////////////////////////////////////////////////////////////////////////////
class SampleView : public SkView {
public:
SampleView() : fRepeatCount(1), fBGColor(SK_ColorWHITE) {
fUsePipe = false;
}
void setBGColor(SkColor color) { fBGColor = color; }
static bool IsSampleView(SkView*);
static bool SetRepeatDraw(SkView*, int count);
static bool SetUsePipe(SkView*, bool);
protected:
virtual void onDrawBackground(SkCanvas*);
virtual void onDrawContent(SkCanvas*) = 0;
// overrides
virtual bool onEvent(const SkEvent& evt);
virtual bool onQuery(SkEvent* evt);
virtual void onDraw(SkCanvas*);
private:
int fRepeatCount;
SkColor fBGColor;
bool fUsePipe;
typedef SkView INHERITED;
};
#endif