player/Project/Src/MyWinApp/mywin_user_animation.c

#include "mywin_user_animation.h"

#define WIN_ANIMATION_TYPE "WIN_AnimationStruct"

WIN_AnimationStruct *WIN_CreatAnimation(
    WIN_WindowStruct *base,
    void (*msgLoop)(struct _WIN_WindowStruct *win, WIN_MsgStruct *msg), int x,
    int y, int x_size, int y_size) {
  // 重设消息循环
  if (msgLoop == 0) {
    msgLoop = (void (*)(struct _WIN_WindowStruct *win,
                        WIN_MsgStruct *msg))ANIMATION_defaultMsgLoop;
  }

  WIN_AnimationStruct *ret = mymalloc(sizeof(WIN_AnimationStruct));
  // 调用父类的构造函数
  if (ret) {
    mymemset(ret, 0, sizeof(WIN_AnimationStruct));
    if (0 == WIN_CreatWindowExt((WIN_WindowStruct *)ret, base, msgLoop, x, y,
                                x_size, y_size)) {
      // 创建失败
      myfree(ret);
      ret = 0;
    } else {
      // 构造
      ((WIN_WindowStruct *)ret)->winType = WIN_ANIMATION_TYPE;
      ((WIN_WindowStruct *)ret)->deleteWindow =
          (void (*)(struct _WIN_WindowStruct *win))WIN_DeleteAnimation;
      ((WIN_WindowStruct *)ret)->intercept = 1;
      ((WIN_WindowStruct *)ret)->bkcolor = 0x808080;
      ((WIN_WindowStruct *)ret)->color = 0xffffff;
      ret->timerId = WIN_CreatTimer((WIN_WindowStruct *)ret, 100);
    }
  }

  return ret;
}

void WIN_DeleteAnimation(WIN_AnimationStruct *animation) {
  // 释放图片占用的内存
  GIF_DecodeStructFree(animation->gif);

  myfree(animation->gif);

  // 调用父类的销毁函数
  WIN_DeleteWindow((WIN_WindowStruct *)animation);
}

// 消息框的绘制函数
void ANIMATION_DefaultPaint(WIN_AnimationStruct *animation) {
  WIN_WindowStruct *win = (WIN_WindowStruct *)animation;
  WIN_PicStruct *pic = &win->pic;
  int xsize = win->x_size;
  int ysize = win->y_size;
  WIN_FillRect(0, 0, xsize, ysize, pic->data, 0, 0, pic->xsize, pic->ysize);
}

// 消息框的消息处理函数
void ANIMATION_defaultMsgLoop(WIN_AnimationStruct *animation,
                              WIN_MsgStruct *msg) {
  WIN_MoveStruct *m = 0;
  WIN_KeyStruct *k = 0;
  WIN_WindowStruct *win = (WIN_WindowStruct *)animation;
  switch (msg->msg) {
  case WIN_MSG_PAINT:
    ANIMATION_DefaultPaint(animation);
    break;
  case WIN_MSG_TIMER:
    if (msg->data.v == animation->timerId) {
      int delay = animation->gif->delay[animation->frameNow];
      WIN_SetTimerCycle(animation->timerId, delay);
      win->pic.data = animation->gif->frame[animation->frameNow];
      win->pic.xsize = animation->gif->x_size;
      win->pic.ysize = animation->gif->y_size;
      animation->frameNow++;
      if (animation->frameNow > animation->gif->frameNumber - 1) {
        if (animation->once == 0)
          animation->frameNow = 0;
        else
          WIN_DeleteTimer(animation->timerId);
      }
      WIN_SetInvalidWhenTop(win);
    } else if (msg->data.v == animation->timerIdReturn) {
      ((WIN_WindowStruct *)animation)
          ->deleteWindow((WIN_WindowStruct *)animation);
      break;
    }
    break;
  case WIN_MSG_KEY:
    k = msg->data.p;
    if (k->shortPress & KEY_VALUE_HOME)
      ((WIN_WindowStruct *)animation)
          ->deleteWindow((WIN_WindowStruct *)animation);
    break;
  case WIN_MSG_MOVE:
    m = msg->data.p;
    switch (m->moveType) {
    case MOVE_DATA_SHORT:
      ((WIN_WindowStruct *)animation)
          ->deleteWindow((WIN_WindowStruct *)animation);
      break;
    default:
      break;
    }
    break;
  default:
    WIN_DefaultMsgLoop((WIN_WindowStruct *)animation, msg);
    break;
  }
}

typedef struct {
  uint8_t *name;
  GIF_DecodeStruct *gif;
} decode_gif_struct;

// gif解码工作函数
static int decode_gif(void *ptr) {
  decode_gif_struct *t = ptr;
  return GIF_Decode(t->gif, t->name);
}

// 显示一个图片
WIN_AnimationStruct *ANIMATION_ShowGif(WIN_WindowStruct *base, char *name) {
  // 解码GIF图片
  // GIF_DecodeStruct *gif=GIF_Decode ((const uint8_t *)name);

  GIF_DecodeStruct *gif = 0;
  decode_gif_struct dec = {0};
  dec.name = (uint8_t *)name;
  dec.gif = mymalloc(sizeof(GIF_DecodeStruct));
  if (WORKING_DoWork(base, "动画解码中。。。", decode_gif, &dec) == 0) {
    myfree(dec.gif);
    return 0;
  }
  gif = dec.gif;

  WIN_AnimationStruct *animation = 0;
  int x, y, xsize, ysize;
  if (base) {
    x = 0;
    y = 0;
    xsize = base->x_size;
    ysize = base->y_size;
  } else {
    base = WIN_GetBaseWindow();
    x = 0;
    y = 0;
    xsize = WIN_GetWinStruct()->lcd->getLcdSizeX();
    ysize = WIN_GetWinStruct()->lcd->getLcdSizeY();
  }
  if (gif->x_size < xsize) {
    x += (xsize - gif->x_size) / 2;
    xsize = gif->x_size;
  }
  if (gif->y_size < ysize) {
    y += (ysize - gif->y_size) / 2;
    ysize = gif->y_size;
  }
  animation = WIN_CreatAnimation(base, 0, x, y, xsize, ysize);
  animation->gif = gif;
  WIN_ShowWindow((WIN_WindowStruct *)animation);

  return animation;
}

// 显示一个图片指定时间
WIN_AnimationStruct *ANIMATION_ShowGifTime(WIN_WindowStruct *base, char *name,
                                           uint32_t ms) {
  // 解码GIF图片
  // GIF_DecodeStruct *gif=GIF_Decode ((const uint8_t *)name);

  GIF_DecodeStruct *gif = 0;
  decode_gif_struct dec = {0};
  dec.name = (uint8_t *)name;
  dec.gif = mymalloc(sizeof(GIF_DecodeStruct));
  WORKING_DoWork(base, "动画解码中。。。", decode_gif, &dec);
  gif = dec.gif;

  if (gif == 0)
    return 0;

  WIN_AnimationStruct *animation = 0;
  int x, y, xsize, ysize;
  if (base) {
    WIN_GetWinPosOnLcd(base, &x, &y, &xsize, &ysize);
  } else {
    base = WIN_GetBaseWindow();
    x = 0;
    y = 0;
    xsize = WIN_GetWinStruct()->lcd->getLcdSizeX();
    ysize = WIN_GetWinStruct()->lcd->getLcdSizeY();
  }
  if (gif->x_size < xsize) {
    x += (xsize - gif->x_size) / 2;
    xsize = gif->x_size;
  }
  if (gif->y_size < ysize) {
    y += (ysize - gif->y_size) / 2;
    ysize = gif->y_size;
  }
  animation = WIN_CreatAnimation(base, 0, x, y, xsize, ysize);
  animation->gif = gif;
  animation->timerIdReturn = WIN_CreatTimer((WIN_WindowStruct *)animation, ms);
  WIN_ShowWindow((WIN_WindowStruct *)animation);

  return animation;
}