thumb.c

ct952 source code use for Digital Frame Photo

#ifdef CT950_STYLE
                if ((_bTHUMBSubMode == THUMB_SUBMODE_SORT_MODE) && (_bTHUMBStartSort))
                {
                    _THUMB_DrawFrame(_bTHUMBTemp, THUMB_FRAME_PROGRAM);
                    _dwTHUMBFlashTime = OS_GetSysTimer();
                    return;
                }
#endif //CT950_STYLE

                if (_dwTHUMBFlash == FALSE)
                {
                    _THUMB_DrawFrame(_bTHUMBTemp, THUMB_FRAME_SELECT);
                    _dwTHUMBFlash = TRUE;
                }
                else
                {
                    if ((_bTHUMBSubMode == THUMB_SUBMODE_PROGRAM) && (LINEAR_ProgramEntryOperation(LINEAR_QUERY_INDEX, 0, (BYTE)__MMSelectCursor.wDirID, (WORD)(_wTHUMBIndex+1)) != 0xFF)) //This is a programmed item.
                    {
                        _THUMB_DrawFrame(_bTHUMBTemp, THUMB_FRAME_PROGRAM);
                    }
                    else
                    {
                        _THUMB_DrawFrame(_bTHUMBTemp, THUMB_FRAME_NORMAL);
                    }

                    _dwTHUMBFlash = FALSE;
                }

                _dwTHUMBFlashTime = OS_GetSysTimer();
            }
        }
    }
}



//*********************************************************************************************************
//  Function    :   THUMB_Trigger
//  Abstract    :   Call this function in main loop.
//  Arguments   :   none.
//  Return		:   none.
//  Side Effect :   none.
//  Notes       :
//*********************************************************************************************************
void THUMB_Trigger(void)
{
    if (__bThumbnailMode)
    {
        /*
        if (_bTHUMBStop || __btPause)
        {
            __btPlaying = FALSE;
            return;
        }
        */

        if (_bTHUMBStop)
        {
            __btPlaying = FALSE;
            return;
        }

        if (__btPause)
        {
            _wTHUMBStartTime = OS_GetSysTimer();
            return;
        }

        switch (_bTHUMBStage)
        {
        case THUMB_STAGE_START:
            _bTHUMBRetryTimes = THUMB_REDECODE_TIMES;

            if (_bTHUMBDecodeMode == THUMB_DECODE_ONE) //decode only one thumbnail
            {
                _THUMB_Start();
            }
            else
            {
                if (!_THUMB_CheckPlayEnd())
                    _THUMB_Start();
                else //All thumbnails has been decoded. Stop!
                {
                    _bTHUMBStop = TRUE;
                    _THUMB_UpdateHighlight(THUMB_UPDATE_HIGHLIGHT_DRAW);
                    _THUMB_DisplayPageInfo(); //CoCo, Show the page info. if this is the last page and there are not "THUMB_TOTAL_NUM_IN_PAGE" thumbnails in this page.
                }
            }
            break;
        case THUMB_STAGE_PARSEHEADER:
            if ((OS_GetSysTimer() - _wTHUMBStartTime) < THUMB_MAX_PARSEHEADER_TIME)
            {
                 _bTHUMBTemp = HALJPEG_Status(HALJPEG_PARSE_HEADER);
                if (_bTHUMBTemp == JPEG_STATUS_OK)
                {
                    //update the JPEG info.
                    //_THUMB_GetJPEGInfo((BYTE)(_wTHUMBPlayIndex % THUMB_TOTAL_NUM_IN_PAGE));
                    //_THUMB_ShowGeneralHelp((BYTE)(_wTHUMBPlayIndex % THUMB_TOTAL_NUM_IN_PAGE));

                    _THUMB_Decode();
                    OSD_Output(MSG_PROGRESS, 0, 1); //CoCo1.10
                    _bTHUMBStage = THUMB_STAGE_DECODE;
                    _wTHUMBStartTime = OS_GetSysTimer();
                }
                else if (_bTHUMBTemp == JPEG_STATUS_UNSUPPORT)
                {
                    _bTHUMBRetryTimes = 0;
                    _THUMB_ProcessError();
                    return;
                }
                else if (_bTHUMBTemp == JPEG_STATUS_FAIL)
                {
                    _THUMB_ProcessError();
                    return;
                }
                else //unfinish
                {
                    _THUMB_PlayEnd();
                    return;
                }
            }
            else
            {
                _THUMB_ProcessError();
                return;
            }
            _THUMB_GetPosition((BYTE)(_wTHUMBPlayIndex % THUMB_TOTAL_NUM_IN_PAGE));
            _bTHUMBStage = THUMB_STAGE_DECODE;
            break;
        case THUMB_STAGE_DECODE:
            if ((OS_GetSysTimer() - _wTHUMBStartTime) < THUMB_MAX_DECODE_TIME)
            {
                OSD_Output(MSG_PROGRESS, 0, 1); //CoCo1.10
                _bTHUMBTemp = HALJPEG_Status(HALJPEG_DECODE);
                if (_bTHUMBTemp == JPEG_STATUS_OK)
                {
                    //HAL_ControlCDIF(HAL_CDIF_CLOSE); //--CoCo1.20, reduce code size
                    __btPlayEnd=TRUE;   //data input end, but not playing end
                    _THUMB_GetJPEGInfo((BYTE)(_wTHUMBPlayIndex % THUMB_TOTAL_NUM_IN_PAGE));
					_THUMB_ShowGeneralHelp((BYTE)(_wTHUMBPlayIndex % THUMB_TOTAL_NUM_IN_PAGE));

                    HALJPEG_Display(__HALJPEGSetting.bFrameBuffer);
                    if (_bTHUMBDecodeMode == THUMB_DECODE_PAGE)
                    {
#ifdef SUPPORT_THUMB_PROGRAM
                        if (_bTHUMBSubMode == THUMB_SUBMODE_PROGRAM)
                        {
                            if (LINEAR_ProgramEntryOperation(LINEAR_QUERY_INDEX, 0, (BYTE)__MMSelectCursor.wDirID, (WORD)(_wTHUMBStartPlayItem+_wTHUMBPlayIndex+1)) == 0xFF) //not found
                                _THUMB_DrawFrame((BYTE)(_wTHUMBPlayIndex%THUMB_TOTAL_NUM_IN_PAGE), THUMB_FRAME_NORMAL);
                            else
                                _THUMB_DrawFrame((BYTE)(_wTHUMBPlayIndex%THUMB_TOTAL_NUM_IN_PAGE), THUMB_FRAME_PROGRAM);
                        }
                        else
#endif //#ifdef SUPPORT_THUMB_PROGRAM
                            _THUMB_DrawFrame((BYTE)(_wTHUMBPlayIndex%THUMB_TOTAL_NUM_IN_PAGE), THUMB_FRAME_NORMAL);
                        _THUMB_ChangeToNextPic();
                    }
                    else if (_bTHUMBDecodeMode == THUMB_DECODE_UNDETERMINED)
                    {
                        //Search next picture to be decoded.
                        _wTHUMBPlayIndex++;
                        if (!_THUMB_SearchNextValidPic())
                            _bTHUMBStop = TRUE;
                    }
                    else //decode only one thumbnail
                    {
                        _bTHUMBStop = TRUE;
                        _bTHUMBDecodeMode = THUMB_DECODE_PAGE;
                    }
                }
                else if (_bTHUMBTemp == JPEG_STATUS_FAIL)
                {
                    _THUMB_ProcessError();
                }
                else //unfinish
                {
                    _THUMB_PlayEnd();
                }
            }
            else
            {
                _THUMB_ProcessError();
            }
            break;
        }
    }
}

//*********************************************************************************************************
//  Function    :   THUMB_ProcessKey
//  Abstract    :   Call this function to process the keys.
//  Arguments   :   none.
//  Return		:   KEY_NO_KEY: The input key is processed.
//              :   INVALID_KEY: The input key is not allowed.
//              :   KEY_xxx: The main program need do more process for the key.
//  Side Effect :   none.
//  Notes       :
//*********************************************************************************************************
BYTE THUMB_ProcessKey(void)
{
    if (!__bThumbnailMode)
        return KEY_BYPASS;

    //audio keys
    if ((__bKey >= INPUT_KEY_GROUP2) && (__bKey < INPUT_KEY_GROUP3))
        return INVALID_KEY;

    switch (__bKey)
    {
    //invalid keys:
    case KEY_FF:
    case KEY_SF:
    // wyc2.17-909S, add language study case
    case KEY_LAN_STUDY:
    case KEY_SCF:
    case KEY_SCB:
    case KEY_STEP:
    case KEY_FREEZE:
    case KEY_BOOKMARK:
    case KEY_DIGEST:
    case KEY_REPEAT_AB:
    case KEY_RESUME:
    case KEY_GOTOTIME:
    case KEY_RETURN:
    case KEY_STOP:
    case KEY_ZOOM:
    case KEY_STOP_RETURN:
    case KEY_DISPLAY:
    case KEY_SPST_CTL:
    case KEY_INTRO:
    case KEY_REMAIN:
        return INVALID_KEY;
#ifdef IMAGE_FRAME_SETUP //CoCo2.38
    case KEY_FUNCTION:
        THUMB_NormalExit();
        break;
#endif //#ifdef IMAGE_FRAME_SETUP //CoCo2.38
    case KEY_MENU:
#ifdef SUPPORT_DELETE_FILE_IN_THUMB_UI
        if (__bTHUMBMainMode == THUMB_MAIN_MODE_EDIT)
            return INVALID_KEY;
#endif //SUPPORT_DELETE_FILE_IN_THUMB_UI

        if (!_THUMB_ToMMUI())
            return INVALID_KEY;
        break;
    case KEY_TVMODE:
        __OSDNDBottomMsgAttr.wY = THUMB_HELP_START_V+_THUMB_TuneForTVType(THUMB_TUNE_POS_TYPE_HELP);
        return KEY_BYPASS;
    case KEY_PAUSE_STEP:
        __bKey = KEY_PAUSE;
        return KEY_BYPASS;
    case KEY_NEXT:  //change to next page
        return _THUMB_ChangePageAction(THUMB_NEXT_PAGE);
    case KEY_PREV:  //change to previous page
        return _THUMB_ChangePageAction(THUMB_PREVIOUS_PAGE);
    case KEY_LEFT:  //move the cursor to left item
        if (_bTHUMBCursorType == THUMB_CURSOR_PICTURE)
        {
#ifdef SUPPORT_DELETE_FILE_IN_THUMB_UI
            if (_bTHUMBStartSort)
            {
                if (!_THUMB_SortToPrevious())
                {
                    return INVALID_KEY;
                }
            }
            else
#endif //SUPPORT_DELETE_FILE_IN_THUMB_UI
            {
                if (_THUMB_CheckLeftBoundary())
                {
#ifdef THUMBNAIL_ROUND_HIGHLIGHT
                    _THUMB_UpdateHighlight(THUMB_UPDATE_HIGHLIGHT_CLEAR);
                    
                    while (((_wTHUMBIndex % THUMB_COLUMN_NUM + 1) < THUMB_COLUMN_NUM) &&
                        ((_wTHUMBIndex+1) < _wTHUMBTotalFiles))
                    {
                        _wTHUMBIndex++;
                    }
                    
                    _THUMB_UpdateHighlight(THUMB_UPDATE_HIGHLIGHT_DRAW);
#else
                    return INVALID_KEY; //exceed the left item.
#endif //THUMBNAIL_ROUND_HIGHLIGHT
                }
                else
                {
                    _THUMB_UpdateHighlight(THUMB_UPDATE_HIGHLIGHT_CLEAR);
                    _wTHUMBIndex--;
                    _THUMB_UpdateHighlight(THUMB_UPDATE_HIGHLIGHT_DRAW);
                    _THUMB_ShowGeneralHelp((BYTE)(_wTHUMBIndex % THUMB_TOTAL_NUM_IN_PAGE));
                }
            }
        }
        else //the cursor is at the button.
        {
            if (_bTHUMBButtonIndex)
            {
                //Recover the original highlight button to normal state.
                _THUMB_DrawButton(_bTHUMBButtonIndex, THUMB_BUTTON_STATE_ENABLE);

                //Update new highlight button.
                _bTHUMBButtonIndex--;
                _THUMB_DrawButton(_bTHUMBButtonIndex, THUMB_BUTTON_STATE_HIGHLIGHT);
            }
            else
                return INVALID_KEY;
        }
        break;
    case KEY_RIGHT: //move the cursor to right item
        if (_bTHUMBCursorType == THUMB_CURSOR_PICTURE)
        {
#ifdef SUPPORT_DELETE_FILE_IN_THUMB_UI
            if (_bTHUMBStartSort)
            {
                if (!_THUMB_SortToNext())
                {
                    return INVALID_KEY;
                }
            }
            else
#endif //SUPPORT_DELETE_FILE_IN_THUMB_UI
            {
                if (_THUMB_CheckRightBoundary())
                {
#ifdef THUMBNAIL_ROUND_HIGHLIGHT
                    _THUMB_UpdateHighlight(THUMB_UPDATE_HIGHLIGHT_CLEAR);
                    while (_wTHUMBIndex > ((_wTHUMBIndex / THUMB_COLUMN_NUM) * THUMB_COLUMN_NUM))
                    {
                        _wTHUMBIndex--;
                    }
                    _THUMB_UpdateHighlight(THUMB_UPDATE_HIGHLIGHT_DRAW);
#else
                    return INVALID_KEY; //exceed the right item.
#endif //THUMBNAIL_ROUND_HIGHLIGHT
                }
                else