thumb.c

ct952 source code use for Digital Frame Photo

        for (_wTHUMBTemp = 0; _wTHUMBTemp < __pMMFilterFilesOfDir[__MMSelectCursor.wDirID]; _wTHUMBTemp++)
        {
            //Dump file record.
            MM_GetDumpedFileRecord();

            if (__pMMFileRecord->FileName.bExtID == EXTNAME_JPG)
            {
                if (!_bTHUMBTemp)
                {
                    _wTHUMBStartPlayItem = _wTHUMBTemp;
                    _bTHUMBTemp = TRUE;
                }
                _wTHUMBTotalFiles++;
            }
            else
            {
                if (_bTHUMBTemp) //All JPEG has beed parsed.
                    break;
            }
         }

		/*
		_wTHUMBStartPlayItem = 0;
        if (MM_ParseDirFiles(__MMPlayingItem.wDirID, EXT_BIT_JPG, 0))
        {
            // MM_GetDumpedFileRecord will update the __pMMFileRecord. Call MM_GetDumpedFileRecord again will go next file record
            // and update the __pMMFileRecord again.
            
            _wTHUMBTotalFiles = __pMMFilterFilesOfDir[__MMPlayingItem.wDirID];
        }
		*/
    }
}

//*********************************************************************************************************
//  Function    :   _THUMB_InitialStage
//  Abstract    :   This fucntion will initialize the stage.
//  Arguments   :   none.
//  Return		:   none.
//  Side Effect :   none.
//  Notes       :   _bTHUMBStop and _bTHUMBStage are initialized.
//*********************************************************************************************************
void _THUMB_InitialStage(void)
{
    _bTHUMBStop = FALSE;
    _bTHUMBStage = THUMB_STAGE_START;
}

//*********************************************************************************************************
//  Function    :   _THUMB_InitializeGDI
//  Abstract    :   Call this function to initialize the palettes.
//  Arguments   :   none.
//  Return		:   none.
//  Side Effect :   none.
//  Notes       :
//*********************************************************************************************************
void _THUMB_InitializeGDI(void)
{
    _bTHUMBTemp = __SetupInfo.bUIStyle-SETUP_CUSTOM_UI_STYLE_BEGIN;

    GDI_ClearRegion(0); //clear region 0

    GDI_ChangePALEntry(THUMB_PALETTE_ENTRY_SELECT_FRAME_BRIGHT, THUMB_PALETTE_COLOR_SELECT_FRAME_BRIGHT, FALSE);
    GDI_ChangePALEntry(THUMB_PALETTE_ENTRY_SELECT_FRAME_DARK, THUMB_PALETTE_COLOR_SELECT_FRAME_DARK, FALSE);
    GDI_ChangePALEntry(THUMB_PALETTE_ENTRY_NORMAL_FRAME_BRIGHT, THUMB_PALETTE_COLOR_NORMAL_FRAME_BRIGHT, FALSE);
    GDI_ChangePALEntry(THUMB_PALETTE_ENTRY_NORMAL_FRAME_DARK, THUMB_PALETTE_COLOR_NORMAL_FRAME_DARK, FALSE);
    GDI_ChangePALEntry(THUMB_PALETTE_ENTRY_PROGRAM_FRAME_BRIGHT, THUMB_PALETTE_COLOR_PROGRAM_FRAME_BRIGHT, FALSE);
    GDI_ChangePALEntry(THUMB_PALETTE_ENTRY_PROGRAM_FRAME_DARK, THUMB_PALETTE_COLOR_PROGRAM_FRAME_DARK, FALSE);
    GDI_ChangePALEntry(THUMB_PALETTE_ENTRY_HELP_STRING, THUMB_PALETTE_COLOR_HELP_STRING, FALSE);
    GDI_ChangePALEntry(THUMB_PALETTE_ENTRY_BUTTON_STRING_ENABLE, THUMB_PALETTE_COLOR_BUTTON_STRING_ENABLE, FALSE);
    GDI_ChangePALEntry(THUMB_PALETTE_ENTRY_BUTTON_STRING_HIGHLIGHT, THUMB_PALETTE_COLOR_BUTTON_STRING_HIGHLIGHT, FALSE);
    GDI_ChangePALEntry(THUMB_PALETTE_ENTRY_PL_FILE_EXT, THUMB_PALETTE_COLOR_PL_FILE_EXT, FALSE);

    //GDI_ChangePALEntry(THUMB_PALETTE_ENTRY_TITLE_STRING, THUMB_PALETTE_COLOR_TITLE_STRING, FALSE);
    //GDI_ChangePALEntry(THUMB_PALETTE_ENTRY_PAGE_STRING, THUMB_PALETTE_COLOR_PAGE_STRING, FALSE);
    //GDI_ChangePALEntry(THUMB_PALETTE_ENTRY_BUTTON_ENABLE_BACKGROUND, THUMB_PALETTE_COLOR_BUTTON_ENABLE_BACKGROUND, FALSE);
    //GDI_ChangePALEntry(THUMB_PALETTE_ENTRY_BUTTON_HIGHLIGHT_BACKGROUND, THUMB_PALETTE_COLOR_BUTTON_HIGHLIGHT_BACKGROUND, FALSE);
    //GDI_ChangePALEntry(THUMB_PALETTE_ENTRY_HELP_REGION_BACKGROUND, THUMB_PALETTE_COLOR_HELP_REGION_BACKGROUND, FALSE);

    GDI_ChangePALEntry(THUMB_PALETTE_ENTRY_BUTTON_ENABLE_BACKGROUND, _dwTHUMBBtnEnableColor[_bTHUMBTemp], FALSE);
    GDI_ChangePALEntry(THUMB_PALETTE_ENTRY_BUTTON_HIGHLIGHT_BACKGROUND, _dwTHUMBBtnHighlightColor[_bTHUMBTemp], FALSE);
    GDI_ChangePALEntry(THUMB_PALETTE_ENTRY_HELP_REGION_BACKGROUND, _dwTHUMBHelpRegionColor[_bTHUMBTemp], FALSE);
    GDI_ChangePALEntry(THUMB_PALETTE_ENTRY_TITLE_STRING, _dwTHUMBTitleStringColor[__SetupInfo.bUIStyle-SETUP_CUSTOM_UI_STYLE_BEGIN], FALSE);
    GDI_ChangePALEntry(THUMB_PALETTE_ENTRY_PAGE_STRING, _dwTHUMBPageStringColor[__SetupInfo.bUIStyle-SETUP_CUSTOM_UI_STYLE_BEGIN], FALSE);

    //Initialize the palettes of the icons for Program list.
    GDI_ChangePALEntry(THUMB_PALETTE_ENTRY_MP3_ICON_TEXT_FOREGROUND, THUMB_PALETTE_COLOR_MP3_ICON_TEXT_FOREGROUND, FALSE);
    GDI_ChangePALEntry(THUMB_PALETTE_ENTRY_MP3_ICON_SHADOW_1, THUMB_PALETTE_COLOR_MP3_ICON_SHADOW_1, FALSE);
    GDI_ChangePALEntry(THUMB_PALETTE_ENTRY_MP3_ICON_SHADOW_2, THUMB_PALETTE_COLOR_MP3_ICON_SHADOW_2, FALSE);
    GDI_ChangePALEntry(THUMB_PALETTE_ENTRY_WMA_ICON_TEXT_FOREGROUND, THUMB_PALETTE_COLOR_WMA_ICON_TEXT_FOREGROUND, FALSE);
    GDI_ChangePALEntry(THUMB_PALETTE_ENTRY_WMA_ICON_SHADOW_1, THUMB_PALETTE_COLOR_WMA_ICON_SHADOW_1, FALSE);
    GDI_ChangePALEntry(THUMB_PALETTE_ENTRY_WMA_ICON_SHADOW_2, THUMB_PALETTE_COLOR_WMA_ICON_SHADOW_2, FALSE);
    GDI_ChangePALEntry(THUMB_PALETTE_ENTRY_MP4_ICON_TEXT_FOREGROUND, THUMB_PALETTE_COLOR_MP4_ICON_TEXT_FOREGROUND, FALSE);
    GDI_ChangePALEntry(THUMB_PALETTE_ENTRY_MP4_ICON_SHADOW_1, THUMB_PALETTE_COLOR_MP4_ICON_SHADOW_1, FALSE);
    GDI_ChangePALEntry(THUMB_PALETTE_ENTRY_MP4_ICON_SHADOW_2, THUMB_PALETTE_COLOR_MP4_ICON_SHADOW_2, FALSE);
    GDI_ChangePALEntry(THUMB_PALETTE_ENTRY_MP2_ICON_TEXT_FOREGROUND, THUMB_PALETTE_COLOR_MP2_ICON_TEXT_FOREGROUND, FALSE);
    GDI_ChangePALEntry(THUMB_PALETTE_ENTRY_MP2_ICON_SHADOW_1, THUMB_PALETTE_COLOR_MP2_ICON_SHADOW_1, FALSE);
    GDI_ChangePALEntry(THUMB_PALETTE_ENTRY_MP2_ICON_SHADOW_2, THUMB_PALETTE_COLOR_MP2_ICON_SHADOW_2, FALSE);
    GDI_ChangePALEntry(THUMB_PALETTE_ENTRY_DAT_ICON_TEXT_FOREGROUND, THUMB_PALETTE_COLOR_DAT_ICON_TEXT_FOREGROUND, FALSE);
    GDI_ChangePALEntry(THUMB_PALETTE_ENTRY_DAT_ICON_SHADOW_1, THUMB_PALETTE_COLOR_DAT_ICON_SHADOW_1, FALSE);
    GDI_ChangePALEntry(THUMB_PALETTE_ENTRY_DAT_ICON_SHADOW_2, THUMB_PALETTE_COLOR_DAT_ICON_SHADOW_2, FALSE);
    GDI_ChangePALEntry(THUMB_PALETTE_ENTRY_VOB_ICON_TEXT_FOREGROUND, THUMB_PALETTE_COLOR_VOB_ICON_TEXT_FOREGROUND, FALSE);
    GDI_ChangePALEntry(THUMB_PALETTE_ENTRY_VOB_ICON_SHADOW_1, THUMB_PALETTE_COLOR_VOB_ICON_SHADOW_1, FALSE);
    GDI_ChangePALEntry(THUMB_PALETTE_ENTRY_VOB_ICON_SHADOW_2, THUMB_PALETTE_COLOR_VOB_ICON_SHADOW_2, FALSE);
    GDI_ChangePALEntry(THUMB_PALETTE_ENTRY_BUTTON_FRAME, THUMB_PALETTE_COLOR_BUTTON_FRAME, FALSE);
    GDI_ChangePALEntry(THUMB_PALETTE_ENTRY_HELP_REGION_FRAME, THUMB_PALETTE_COLOR_HELP_REGION_FRAME, FALSE);
    GDI_ChangePALEntry(THUMB_PALETTE_ENTRY_PROGRAM_SYMBOL, THUMB_PALETTE_COLOR_PROGRAM_SYMBOL, FALSE);
    GDI_ChangePALEntry(THUMB_PALETTE_ENTRY_MPG_ICON_TEXT_FOREGROUND, THUMB_PALETTE_COLOR_MPG_ICON_TEXT_FOREGROUND, FALSE);
    GDI_ChangePALEntry(THUMB_PALETTE_ENTRY_MPG_ICON_SHADOW_1, THUMB_PALETTE_COLOR_MPG_ICON_SHADOW_1, FALSE);
    GDI_ChangePALEntry(THUMB_PALETTE_ENTRY_MPG_ICON_SHADOW_2, THUMB_PALETTE_COLOR_MPG_ICON_SHADOW_2, FALSE);

    //CoCo0.95
    GDI_WaitPaletteComplete();

    GDI_ActivateRegion(0); //open GDI
}

//*********************************************************************************************************
//  Function    :   _THUMB_TuneFramePosition
//  Abstract    :   Tune the thumbnail's frame when according to different TV type.
//  Return		:   none.
//  Side Effect :   none.
//  Notes       :
//*********************************************************************************************************
void _THUMB_TuneFramePosition(void)
{
    if (__bTVType == SETUP_SCREEN_TV_SYSTEM_NTSC)
    {
        if(__SetupInfo.bProgressiveScan == SETUP_PROGRESSIVE_SCAN_ON)
        {
            _bTHUMBTuneFrame_H = THUMB_TUNE_FRAME_H_NTSC_PSCAN;
            _bTHUMBTuneFrame_V = THUMB_TUNE_FRAME_V_NTSC_PSCAN;

#if (DRAM_CONFIGURATION_TYPE_DVD == DRAM_SIZE_16)
            _bTHUMBTuneOSDOffset_H = THUMB_TUNE_OSD_H_OFFSET_NTSC_PSCAN;
            _bTHUMBTuneOSDOffset_V = THUMB_TUNE_OSD_V_OFFSET_NTSC_PSCAN;
            _bTHUMBTuneOSDDistance_H = THUMB_TUNE_OSD_H_DISTANCE_NTSC_PSCAN;
            _bTHUMBTuneOSDDistance_V = THUMB_TUNE_OSD_V_DISTANCE_PAL_PSCAN;
#endif
        }
        else
        {
            _bTHUMBTuneFrame_H = THUMB_TUNE_FRAME_H_NTSC;
            _bTHUMBTuneFrame_V = THUMB_TUNE_FRAME_V_NTSC;

#if (DRAM_CONFIGURATION_TYPE_DVD == DRAM_SIZE_16)
            _bTHUMBTuneOSDOffset_H = THUMB_TUNE_OSD_H_OFFSET_NTSC;
            _bTHUMBTuneOSDOffset_V = THUMB_TUNE_OSD_V_OFFSET_NTSC;
            _bTHUMBTuneOSDDistance_H = THUMB_TUNE_OSD_H_DISTANCE_NTSC;
            _bTHUMBTuneOSDDistance_V = THUMB_TUNE_OSD_V_DISTANCE_PAL_PSCAN;
#endif
        }
    }
    else // PAL
    {
        if(__SetupInfo.bProgressiveScan == SETUP_PROGRESSIVE_SCAN_ON)
        {
            _bTHUMBTuneFrame_H= THUMB_TUNE_FRAME_H_PAL_PSCAN;
            _bTHUMBTuneFrame_V= THUMB_TUNE_FRAME_V_PAL_PSCAN;

#if (DRAM_CONFIGURATION_TYPE_DVD == DRAM_SIZE_16)
            _bTHUMBTuneOSDOffset_H = THUMB_TUNE_OSD_H_OFFSET_PAL_PSCAN;
            _bTHUMBTuneOSDOffset_V = THUMB_TUNE_OSD_V_OFFSET_PAL_PSCAN;
            _bTHUMBTuneOSDDistance_H = THUMB_TUNE_OSD_H_DISTANCE_PAL_PSCAN;
            _bTHUMBTuneOSDDistance_V = THUMB_TUNE_OSD_V_DISTANCE_PAL;
#endif
        }
        else
        {
            _bTHUMBTuneFrame_H= THUMB_TUNE_FRAME_H_PAL;
            _bTHUMBTuneFrame_V= THUMB_TUNE_FRAME_V_PAL;

#if (DRAM_CONFIGURATION_TYPE_DVD == DRAM_SIZE_16)
            _bTHUMBTuneOSDOffset_H = THUMB_TUNE_OSD_H_OFFSET_PAL;
            _bTHUMBTuneOSDOffset_V = THUMB_TUNE_OSD_V_OFFSET_PAL;
            _bTHUMBTuneOSDDistance_H = THUMB_TUNE_OSD_H_DISTANCE_PAL;
            _bTHUMBTuneOSDDistance_V = THUMB_TUNE_OSD_V_DISTANCE_PAL;
#endif
        }
    }
}

//*********************************************************************************************************
//  Function    :   _THUMB_TuneForTVType
//  Abstract    :   Call this function to tune the value for different TV type
//  Arguments   :   bType: the type of tunning the value.
//  Return		:   the value should be tune
//  Side Effect :   none.
//  Notes       :
//*********************************************************************************************************
BYTE _THUMB_TuneForTVType(BYTE bType)
{
    if (__bTVType == SETUP_SCREEN_TV_SYSTEM_NTSC)
        return 0;

    switch (bType)
    {
    case THUMB_TUNE_POS_TYPE_TITLE:
        return THUMB_TUNE_TITLE_START_V_PAL;
    case THUMB_TUNE_POS_TYPE_BUTTON:
        return THUMB_TUNE_BUTTON_START_V_PAL;
    case THUMB_TUNE_POS_TYPE_HELP:
        return THUMB_TUNE_HELP_START_V_PAL;
    default:
        return 0;
    }
}

//*********************************************************************************************************
//  Function    :   _THUMB_CheckPlayEnd
//  Abstract    :   Call this function to check if we've played the last thumbnail.
//  Arguments   :   none.
//  Return		:   TRUE: play end.
//              :   FALSE: You can go on playing the next thumbnail.
//  Side Effect :   none.
//  Notes       :
//*********************************************************************************************************
BYTE _THUMB_CheckPlayEnd(void)
{
#ifdef SUPPORT_DELETE_FILE_IN_THUMB_UI
    if (_bTHUMBSubMode == THUMB_SUBMODE_SORT_MODE)
    {
        if (_wTHUMBPlayIndex > _bTHUMBSortFileEndIndex)
            return TRUE;
        else
            return FALSE;
    }
    else
#endif //SUPPORT_DELETE_FILE_IN_THUMB_UI
    {
        if ((_wTHUMBPlayIndex + 1) <= _wTHUMBTotalFiles)
            return FALSE;
        
        return TRUE;
    }
}

//*********************************************************************************************************
//  Function    :   _THUMB_UpdateHighlight
//  Abstract    :   This function will Update the highlight.
//  Arguments   :   none.
//  Return		:   none.
//  Side Effect :   none.
//  Notes       :
//*********************************************************************************************************
void _THUMB_UpdateHighlight(BYTE bUpdate)
{
    _bTHUMBTemp = (BYTE)(_wTHUMBIndex % THUMB_TOTAL_NUM_IN_PAGE);

    if (bUpdate == THUMB_UPDATE_HIGHLIGHT_DRAW)
    {
        if (_bTHUMBCursorType == THUMB_CURSOR_PICTURE)
        {
            _THUMB_DrawFrame(_bTHUMBTemp, THUMB_FRAME_SELECT);

#ifdef SUPPORT_THUMB_PROGRAM
            if (_bTHUMBSubMode == THUMB_SUBMODE_PROGRAM)
            {
                if (LINEAR_ProgramEntryOperation(LINEAR_QUERY_INDEX, 0, (BYTE)__MMSelectCursor.wDirID, (WORD)(_wTHUMBStartPlayItem+_wTHUMBIndex+1)) != 0xFF)
                {
                    //If it is a programmed item. Need to draw the Program symbol
                    _THUMB_OutputProgramSymbol(_bTHUMBTemp);
                }
            }
#endif //#ifdef SUPPORT_THUMB_PROGRAM
        }
    }
    else //Recover the frame to its correct state when cursor leaves it.
    {
#ifndef THUMB_DRAW_OSD_FRAME
        _THUMB_DrawFrame(_bTHUMBTemp, THUMB_FRAME_CLEAR);
#endif

        //CoCo1.10, fix the bug about the "Program" symbol is not cleared.
        //Clear the region before re-draw the frame because the "P" for program need to be cleared.
        if (_bTHUMBSubMode != THUMB_SUBMODE_PROGRAM_LIST)
        {
            _THUMB_ClearProgramSymbol((BYTE)(_wTHUMBIndex % THUMB_TOTAL_NUM_IN_PAGE));
        }

        //if (_wTHUMBIndex > _wTHUMBPlayIndex)
        if (_wTHUMBIndex > (_wTHUMBTotalFiles - 1))
        {
            _THUMB_DrawFrame(_bTHUMBTemp, THUMB_FRAME_CLEAR);
        }
#ifdef SUPPORT_THUMB_PROGRAM
        else if ((_bTHUMBSubMode == THUMB_SUBMODE_PROGRAM) && (LINEAR_ProgramEntryOperation(LINEAR_QUERY_INDEX, 0, (BYTE)__MMSelectCursor.wDirID, (WORD)(_wTHUMBStartPlayItem+_wTHUMBIndex+1)) != 0xFF)) //This is a programmed item.
        {
            _THUMB_DrawFrame(_bTHUMBTemp, THUMB_FRAME_PROGRAM);
        }
#endif //SUPPORT_THUMB_PROGRAM
        else
        {
            _THUMB_DrawFrame(_bTHUMBTemp, THUMB_FRAME_NORMAL);
        }
    }
}

//*********************************************************************************************************
//  Function    :   _THUMB_GetPosition
//  Abstract    :   This function will calculate the position for the thumbnail.
//  Arguments   :   bIndex: The index in a page. Only 0 to 8 is valid.
//  Return		:   none.
//  Side Effect :   none.
//  Notes       :   Update _wTHUMBHStartPos and _wTHUMBVStartPos.
//*********************************************************************************************************
void _THUMB_GetPosition(BYTE bIndex)
{
    _wTHUMBHStartPos = (THUMB_DISTANCE_WIDTH) * (bIndex % THUMB_COLUMN_NUM) + THUMB_WIDTH * (bIndex % THUMB_COLUMN_NUM) + THUMB_H_REGION;
    _wTHUMBVStartPos = (THUMB_DISTANCE_HEIGHT_NTSC) * (bIndex / THUMB_COLUMN_NUM) + THUMB_HEIGHT_NTSC * (bIndex / THUMB_COLUMN_NUM) + THUMB_V_REGION_NTSC;
}

//*********************************************************************************************************
//  Function    :   _THUMB_DrawFrame
//  Abstract    :   Draw frame for the thumbnail.
//  Arguments   :   bIndex: The index of the thumbnail.
//              :   bMode: what kind of frame you want to draw.
//  Return		:   none.
//  Side Effect :   none.
//  Notes       :
//*********************************************************************************************************
void _THUMB_DrawFrame(BYTE bIndex, BYTE bMode)
{
#ifdef THUMB_DRAW_OSD_FRAME
    _THUMBFrame.bStyle = FRAME_DOUBLE;
    _THUMBFrame.bThickness = THUMB_FRAME_THICKNESS >> 1;
    _THUMBFrame.bColorCenter = PAL_ENTRY_COLOR_TRANSPARENT;

    _THUMB_GetPosition(bIndex);

    _wTHUMBHStartPos -= _bTHUMBTuneFrame_H;
    _wTHUMBVStartPos -= _bTHUMBTuneFrame_V;

    if (__bTVType == SETUP_SCREEN_TV_SYSTEM_NTSC)
    {
        _THUMBFrame.rect.wRight = _wTHUMBHStartPos+THUMB_WIDTH+THUMB_TUNE_DISPLAY_WIDTH_NTSC;
        _THUMBFrame.rect.wBottom = _wTHUMBVStartPos+THUMB_HEIGHT_NTSC+THUMB_TUNE_DISPLAY_HEIGHT_NTSC;