/************************************************************************
Function: WORD CreateJPEGDemo(void)
Overview: Creates the JPEG demo screen.
Input: none
Output: Return 0 when memory is not enough for objects of the demo.
************************************************************************/
WORD CreateJPEGDemo(void)
{
BYTE TextHeight;
WORD TextX;
// Free memory for the objects in the previous linked list and start new list to display
// the files seen on the media
GOLFree();
// initialize the image decoder
ImageDecoderInit();
// initialize the screen
SetColor(WHITE);
ClearDevice();
SetFont((void *) &GOLFontDefault);
TextHeight = GetTextHeight((void *) &GOLFontDefault);
SetColor(BRIGHTRED);
TextX = (IMG_SCREEN_WIDTH - GetTextWidth((XCHAR *)ImageDisplayStr, (void *) &GOLFontDefault)) / 2;
WAIT_UNTIL_FINISH(OutTextXY(TextX, 1 * TextHeight, (XCHAR *)ImageDisplayStr));
SetColor(BLACK);
TextX = (IMG_SCREEN_WIDTH - GetTextWidth((XCHAR *)DetectingStr, (void *) &GOLFontDefault)) / 2;
WAIT_UNTIL_FINISH(OutTextXY(TextX, 3 * TextHeight, (XCHAR *)DetectingStr));
TextX = (IMG_SCREEN_WIDTH - GetTextWidth((XCHAR *)ThumbDriveStr, (void *) &GOLFontDefault)) / 2;
WAIT_UNTIL_FINISH(OutTextXY(TextX, 4 * TextHeight, (XCHAR *)ThumbDriveStr));
TextX = (IMG_SCREEN_WIDTH - GetTextWidth((XCHAR *)PleaseWaitStr, (void *) &GOLFontDefault)) / 2;
WAIT_UNTIL_FINISH(OutTextXY(TextX, 6 * TextHeight, (XCHAR *)PleaseWaitStr));
#if defined(ENABLE_SD_MSD_DEMO)
MDD_SDSPI_InitIO();
#endif
MonitorDriveMedia();
if(mediaPresent == 0)
{
// erase the last line
SetColor(WHITE);
TextX = (IMG_SCREEN_WIDTH - GetTextWidth((XCHAR *)PleaseWaitStr, (void *) &GOLFontDefault)) / 2;
WAIT_UNTIL_FINISH(OutTextXY(TextX, 6 * TextHeight, (XCHAR *)PleaseWaitStr));
// replace it with these
SetColor(BRIGHTRED);
TextX = (IMG_SCREEN_WIDTH - GetTextWidth((XCHAR *)Exiting1Str, (void *) &GOLFontDefault)) / 2;
WAIT_UNTIL_FINISH(OutTextXY(TextX, 6 * TextHeight, (XCHAR *)Exiting1Str));
TextX = (IMG_SCREEN_WIDTH - GetTextWidth((XCHAR *)Exiting2Str, (void *) &GOLFontDefault)) / 2;
WAIT_UNTIL_FINISH(OutTextXY(TextX, 7 * TextHeight, (XCHAR *)Exiting2Str));
DelayMs(1000);
return (0);
}
blImageOnScreen = 0;
blTextOnScreen = 0;
pSave = NULL;
blSlideShowOn = 0;
NextSlide = 0xFF;
// create the listbox, slider and buttons that will emulate a
// list box with controls.
pListBox = LbCreate
(
ID_JPGLISTBOX,
LBJPGXPOS,
LBJPGYPOS,
LBJPGXPOS + LBJPGWIDTH,
LBJPGYPOS + LBJPGHEIGHT,
LB_DRAW | LB_SINGLE_SEL,
pJPGItemList,
NULL
);
if(pListBox == NULL)
return (0);
pSlider = SldCreate
(
ID_SLD4LB,
SLD4LBXPOS,
SLD4LBYPOS,
SLD4LBXPOS + SLD4LBWIDTH,
SLD4LBYPOS + SLD4LBHEIGHT,
SLD_DRAW | SLD_VERTICAL | SLD_SCROLLBAR,
2,
1,
1, // these are temporary fill items will set to proper values
NULL
);
if(pSlider == NULL)
return (0);
pBtnUp = BtnCreate
(
ID_BTNUP4LB,
BTNUP4LBXPOS,
BTNUP4LBYPOS,
BTNUP4LBXPOS + BTNUP4LBWIDTH,
BTNUP4LBYPOS + BTNUP4LBHEIGHT,
0,
BTN_DRAW,
NULL,
(XCHAR *)JpegUpArrowStr,
NULL
);
if(pBtnUp == NULL)
return (0);
pBtnDn = BtnCreate
(
ID_BTNDN4LB,
BTNDN4LBXPOS,
BTNDN4LBYPOS,
BTNDN4LBXPOS + BTNDN4LBWIDTH,
BTNDN4LBYPOS + BTNDN4LBHEIGHT,
0,
BTN_DRAW,
NULL,
(XCHAR *)JpegDownArrowStr,
NULL
);
if(pBtnUp == NULL)
return (0);
// create the control buttons at the bottom of the screen
CreateCtrlButtons(ExitStr, NULL, NULL, RightArrowStr);
// fill the list box with the file names of images in the media
FillNewElements();
// set the first item to be focused
LbSetFocusedItem(pListBox, 0);
// successful creation of the JPEG demo screen
return (1);
}
void fsmanInitHardwareSD(void)
{
__debug("Initializing CS GPIO");
User_MDD_SDSPI_IO_Init();
MDD_SDSPI_InitIO();
}
