//在指定位置显示加载到RAM中的PNG图片(PNG图片不能缩放！)
//PNGFileName:图片在SD卡或者其他存储设备中的路径(需文件系统支持！)
//mode:显示模式
// 0 在指定位置显示，有参数x,y确定显示位置
// 1 在LCD中间显示图片，当选择此模式的时候参数x,y无效。
//x:图片左上角在LCD中的x轴位置(当参数mode为1时，此参数无效)
//y:图片左上角在LCD中的y轴位置(当参数mode为1时，此参数无效)
//返回值:0 显示正常,其他 失败
int displaypng(char *PNGFileName,U8 mode,U32 x,U32 y)
{
U16 bread;
char *pngbuffer;
char result;
int XSize,YSize;
#if SYSTEM_SUPPORT_OS
CPU_SR_ALLOC();
#endif
result = f_open(&PNGFile,(const TCHAR*)PNGFileName,FA_READ); //打开文件
//文件打开错误或者文件大于JPEGMEMORYSIZE
if((result != FR_OK) || (PNGFile.fsize>PNGMEMORYSIZE)) return 1;
pngbuffer=mymalloc(SRAMEX,PNGFile.fsize);
if(pngbuffer == NULL) return 2;
#if SYSTEM_SUPPORT_OS
OS_CRITICAL_ENTER(); //临界区
#endif
result = f_read(&PNGFile,pngbuffer,PNGFile.fsize,(UINT *)&bread); //读取数据
f_close(&PNGFile); //关闭PNGFile文件
if(result != FR_OK) return 3;
#if SYSTEM_SUPPORT_OS
OS_CRITICAL_EXIT(); //退出临界区
#endif
XSize = GUI_PNG_GetXSize(pngbuffer,PNGFile.fsize); //获取PNG图片的X轴大小
YSize = GUI_PNG_GetYSize(pngbuffer,PNGFile.fsize); //获取PNG图片的Y轴大小
switch(mode)
{
case 0: //在指定位置显示图片
GUI_PNG_Draw(pngbuffer,PNGFile.fsize,x,y);//显示PNG图片
break;
case 1: //在LCD中间显示图片
GUI_PNG_Draw(pngbuffer,PNGFile.fsize,(LCD_GetXSize()-XSize)/2-1,(LCD_GetYSize()-YSize)/2-1);
break;
}
myfree(SRAMEX,pngbuffer);
return 0;
}
/*********************************************************************
*
* _cbDialog
*/
static void _cbDialog(WM_MESSAGE * pMsg) {
WM_HWIN hWin;
WM_HWIN hText;
const WM_KEY_INFO* pInfo;
WM_HWIN hItem = 0;
int i = 0;
int NCode;
int Id;
hWin = pMsg->hWin;
// USER START (Optionally insert additional variables)
// USER END
switch (pMsg->MsgId)
{
case USER_MSG_LANGUAGE:
InfoSel(0,1);
break;
case WM_PAINT:
GUI_SetBkColor(GUI_WHITE);
GUI_Clear();
GUI_SetColor(GUI_BLACK);
GUI_AA_DrawLine(190,0,220,60);
GUI_AA_DrawLine(220,60,800,60);
// if (Language == 0)
// {
// GUI_DispStringAt("所处 页/共 页",560,435);
// }
// else
// {
// GUI_DispStringAt (pLanguage->Page,560,435);
// }
// GUI_DispDecAt(thispage,605,435,3);
// GUI_DispDecAt(pageNum,700,435,3);
//GUI_DispStringAt("高电压警告",230,28);
GUI_PNG_Draw(&acPOWER,sizeof(acPOWER),755,35);
break;
case WM_INIT_DIALOG:
pLanguage = &Lgumainwin[Language];
hButton = WM_GetDialogItem (hWin,ID_BUTTON_0);
BUTTON_SetBkColor (hButton,BUTTON_CI_UNPRESSED,GUI_WHITE);
BUTTON_SetTextColor (hButton,BUTTON_CI_UNPRESSED,GUI_BLACK);
BUTTON_SetTextAlign (hButton,GUI_TA_HCENTER|GUI_TA_VCENTER);
BUTTON_SetText(hButton,pLanguage->ButtonInfo[0]);
BUTTON_SetFocusColor (hButton,GUI_WHITE);
WIDGET_SetEffect (hButton,&WIDGET_Effect_None);
WM_SetCallback (hButton,&mybutton);
WM_SetFocus (hButton);
hListview = WM_GetDialogItem (hWin,ID_LV_0);
hListhead = LISTVIEW_GetHeader(hListview);
LISTVIEW_SetFont(hListview,&GUI_Font30);
LISTVIEW_SetRowHeight(hListview,40);
LISTVIEW_SetHeaderHeight(hListview,30);
LISTVIEW_SetBkColor (hListview,LISTVIEW_CI_SELFOCUS,GUI_GRAY);
LISTVIEW_SetBkColor (hListview,LISTVIEW_CI_SEL,GUI_WHITE);
LISTVIEW_SetTextColor (hListview,LISTVIEW_CI_SEL,GUI_BLACK);
LISTVIEW_SetTextColor(hListview,LISTVIEW_CI_SELFOCUS,GUI_WHITE);
WIDGET_SetEffect(hListhead,&WIDGET_Effect_3D);
HEADER_SetBkColor (hListhead,GUI_BLACK);
HEADER_SetTextColor(hListhead,GUI_WHITE);
HEADER_SetFont(hListhead,&GUI_Font24);
LISTVIEW_AddColumn(hListview,80,"序号",GUI_TA_HCENTER|GUI_TA_VCENTER);
LISTVIEW_AddColumn(hListview,100,"信息编码",GUI_TA_HCENTER|GUI_TA_VCENTER);
LISTVIEW_AddColumn(hListview,130,"yyy/mm/dd",GUI_TA_HCENTER|GUI_TA_VCENTER);
LISTVIEW_AddColumn(hListview,90,"hh:mm",GUI_TA_HCENTER|GUI_TA_VCENTER);
LISTVIEW_AddColumn(hListview,120,"频道",GUI_TA_HCENTER|GUI_TA_VCENTER);
LISTVIEW_AddColumn(hListview,100,"信息类型",GUI_TA_HCENTER|GUI_TA_VCENTER);
LISTVIEW_AddColumn(hListview,100,"信息状态",GUI_TA_HCENTER|GUI_TA_VCENTER);
LISTVIEW_SetTextAlign(hListview,6,GUI_TA_LEFT|GUI_TA_VCENTER);
// WM_HWIN - TEXT
mainwinText[0] = WM_GetDialogItem(hWin,ID_TEXT_3); //高压警告
mainwinText[1] = WM_GetDialogItem(hWin,ID_TEXT_0); //INT
mainwinText[2] = WM_GetDialogItem(hWin,ID_TEXT_1); //loc1,loc2,chs
mainwinText[3] = WM_GetDialogItem(hWin,ID_TEXT_2); //time
mainwinText[4] = WM_GetDialogItem(hWin,ID_TEXT_4); //page
WM_SetCallback(mainwinText[1],&mytext);
WM_SetCallback(mainwinText[2],&mytext);
TEXT_SetText(mainwinText[0],"");
TEXT_SetFont(mainwinText[4],&GUI_Font30);
TEXT_SetTextAlign(mainwinText[4],TEXT_CF_RIGHT);
TEXT_SetText(mainwinText[4],"所处 01页/共 02页");
//time
TEXT_SetTextAlign(mainwinText[3],TEXT_CF_VCENTER);
TEXT_SetFont(mainwinText[3],&GUI_Font30);
TEXT_SetText(mainwinText[3],"UTC 2015.10.24 17:30");
for (i=0; i<16; i++)
{
INFO_add(&TESTDATA[i]);
}
if (rowNum < 8)
pageNum = 1;
else if (rowNum%8 == 0)
pageNum = rowNum/8;
else pageNum = rowNum/8+1;
InfoSel(0,1);
//DisPage();
WM_SetCallback (hListview,&mylistview);
break;
default:
WM_DefaultProc(pMsg);
break;
}
}
/*********************************************************************
*
* _TileScreen
*
* Function description
* Fills the screen with PNG-tiles from an OpenStreetMap-server.
* Receiving the tiles works asynchronous with non blocking sockets.
* Tiles are requested by the following GET request:
*
* "GET <URL of TileServer>/<Zoom factor>/<X-value>/<Y-value>.png\r\nUser-Agent: xxx\r\n\r\n"
*
* Parameters:
* x - X-value for URL of tile calculated by longitude and zoom factor
* y - Y-value for URL of tile calculated by latitude and zoom factor
* Zoom - A value between 1-16 where 16
*/
static void _TileScreen(int x, int y, int Zoom) {
TILE * pTileFirst;
TILE * pTile;
int xSize, ySize, xPos, yPos, nx, ny, i, j, Ready;
U32 IPAddr;
xSize = LCD_GetXSize();
ySize = LCD_GetYSize();
xPos = (xSize - TILE_SIZE) / 2;
yPos = (ySize - TILE_SIZE) / 2;
nx = ny = 1;
while (xPos > 0) {
nx += 2;
xPos -= TILE_SIZE;
x--;
}
while (yPos > 0) {
ny += 2;
yPos -= TILE_SIZE;
y--;
}
pTileFirst = NULL;
//
// Create list of all tiles
//
for (i = 0; i < nx; i++) {
for (j = 0; j < ny; j++) {
pTile = calloc(1, sizeof(TILE));
if (pTileFirst == NULL) {
pTileFirst = pTile;
} else {
pTile->pNext = pTileFirst;
pTileFirst = pTile;
}
pTileFirst->x = x + i;
pTileFirst->y = y + j;
pTileFirst->Zoom = Zoom;
pTileFirst->xPos = xPos + i * TILE_SIZE;
pTileFirst->yPos = yPos + j * TILE_SIZE;
}
}
//
// Request and drawing of all tiles
//
IPAddr = _GetIPAddr(TILE_SERVER_URL);
do {
Ready = 1;
for (pTile = pTileFirst; pTile; pTile = pTile->pNext) {
if (pTile->State < STATE_DRAW) {
//
// Tile not available: Keep receiving
//
_ReceiveTile(pTile, IPAddr);
Ready = 0;
} else {
if (pTile->State == STATE_DRAW) {
//
// Tile already received: Draw and remove
//
GUI_PNG_Draw(pTile->pImage, pTile->SizeOfImage, pTile->xPos, pTile->yPos);
free(pTile->pImage);
pTile->State = STATE_DONE;
Ready = 0;
}
}
}
} while (Ready == 0);
//
// Remove tiles
//
while (pTileFirst) {
pTile = pTileFirst;
pTileFirst = pTileFirst->pNext;
free(pTile);
}
}
