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pm_animation.h
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198 lines (167 loc) · 4.28 KB
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/*
* File : pm_animation.h
* COPYRIGHT (C) 2012-2017, Shanghai Real-Thread Technology Co., Ltd
*
* Change Logs:
* Date Author Notes
* 2017-11-05 realthread the first version
*/
#pragma once
#include <pm_widget.h>
#include <pm_window.h>
#include <pm_timer.h>
#include <vector>
namespace Persimmon
{
enum
{
ANIM_TICK_RANGE = 1024,
};
class AnimAbstractAnimator
{
public:
AnimAbstractAnimator(struct rtgui_dc *b) : buffer(b), wgt(NULL) {}
AnimAbstractAnimator(Widget &w) : buffer(NULL), wgt(&w) {}
virtual ~AnimAbstractAnimator()
{
if (wgt && buffer)
rtgui_dc_destory(buffer);
}
virtual void act(struct rtgui_dc* dest_dc,
int progress) = 0;
protected:
struct rtgui_dc *buffer;
Widget *wgt;
};
class AnimFadeAnimator: public AnimAbstractAnimator
{
typedef AnimAbstractAnimator super;
public:
AnimFadeAnimator(struct rtgui_dc *buffer,
bool is_fade_out,
const Point &start_pt);
AnimFadeAnimator(Widget &wgt,
bool is_fade_out,
const Point &start_pt);
virtual ~AnimFadeAnimator();
virtual void act(struct rtgui_dc *dest_dc, int progress);
protected:
Point start_pt;
bool is_fade_out;
};
class AnimMoveAnimator: public AnimAbstractAnimator
{
typedef AnimAbstractAnimator super;
public:
AnimMoveAnimator(struct rtgui_dc *buffer,
const Point &start_pt,
const Point &stop_pt);
AnimMoveAnimator(Widget &wgt,
const Point &start_pt,
const Point &stop_pt);
void enableFade(bool in, int min = 0, int max = 255)
{
is_fade_in = in;
a_min = min;
a_max = max;
is_fade = true;
}
void disableFade(void)
{
is_fade = false;
}
virtual ~AnimMoveAnimator();
virtual void act(struct rtgui_dc *dest_dc, int progress);
protected:
Point start_pt, stop_pt;
bool is_fade, is_fade_in;
int a_min, a_max;
};
class AnimAbstractInterpolator
{
public:
virtual ~AnimAbstractInterpolator() {}
virtual int interpolate(int cur, int max) = 0;
};
class AnimLinearInterpolator: public AnimAbstractInterpolator
{
public:
virtual ~AnimLinearInterpolator() {}
virtual int interpolate(int cur, int max)
{
return cur * ANIM_TICK_RANGE / max;
}
};
class AnimInsquareInterpolator : public AnimAbstractInterpolator
{
public:
virtual ~AnimInsquareInterpolator() {}
virtual int interpolate(int cur, int max)
{
/* Care about integer overflow. tick can within 0~(4G/RTGUI_ANIM_TICK_RANGE). */
return cur * ANIM_TICK_RANGE / max * cur / max;
}
};
class AnimOutsquareInterpolator : public AnimAbstractInterpolator
{
public:
virtual ~AnimOutsquareInterpolator() {}
virtual int interpolate(int cur, int max)
{
/* Care about integer overflow. tick can within 0~(4G/RTGUI_ANIM_TICK_RANGE). */
cur = max - cur;
return ANIM_TICK_RANGE - (cur * ANIM_TICK_RANGE / max * cur / max);
}
};
class Animation: private utils::noncopyable<Animation>
{
public:
Animation(Widget &w);
~Animation();
Animation *setBGbuffer(struct rtgui_dc *dc)
{
m_bg = dc;
return this;
}
Animation *setInterval(int inter)
{
m_interval = inter;
return this;
}
Animation *setDuration(int dur)
{
m_duration = dur;
return this;
}
Animation *setInterpolator(AnimAbstractInterpolator &inter)
{
m_interplator = &inter;
return this;
}
Animation *addAnimator(AnimAbstractAnimator *anim)
{
m_animators.push_back(anim);
return this;
}
Signal<struct rtgui_dc *, int> actSignal;
Signal<void> endSignal;
void start(bool is_modal=true);
void stop();
void exit();
private:
Widget *m_owner;
Timer *m_timer;
struct rtgui_dc *m_bg, *saveDc;
unsigned int m_interval, m_duration, m_tick_start;
std::vector<AnimAbstractAnimator*> m_animators;
AnimAbstractInterpolator *m_interplator;
enum stat
{
ANIM_ST_NONE = 0,
ANIM_ST_MODAL = (1 << 0),
ANIM_ST_STOP = (0 << 1),
ANIM_ST_RUN = (1 << 1),
} m_stat;
void _drawframe();
};
}