First changes

This commit is contained in:
djes
2016-08-26 10:14:55 +02:00
parent bb00a6b039
commit f2a3b06f7a

586
PBMap.pb
View File

@@ -12,6 +12,8 @@
; (see also Proxy Details)
;**************************************************************
#Red = 255
CompilerIf #PB_Compiler_Thread = #False
MessageRequester("Warning !!","You must enable ThreadSafe support in compiler options",#PB_MessageRequester_Ok )
End
@@ -25,19 +27,18 @@ UsePNGImageEncoder()
DeclareModule PBMap
;-Show debug infos
Global Verbose = #False
Global MyDebugLevel = 3
#Red = 255
Global Verbose = 1;#False
;-Proxy ON/OFF
Global Proxy = #False
Declare InitPBMap()
Declare SetMapServer(ServerURL.s="http://tile.openstreetmap.org/",TileSize.l=256,ZoomMin.l=0,ZoomMax.l=18)
Declare InitPBMap(window)
Declare MapGadget(Gadget.i, X.i, Y.i, Width.i, Height.i)
Declare Event(Event.l)
Declare SetLocation(latitude.d, longitude.d, zoom = 15, mode.i = #PB_Absolute)
Declare DrawingThread(Null)
Declare DrawingThread()
Declare SetZoom(Zoom.i, mode.i = #PB_Relative)
Declare ZoomToArea()
Declare SetCallBackLocation(CallBackLocation.i)
Declare SetCallBackMainPointer(CallBackMainPointer.i)
Declare SetCallBackLocation(*CallBackLocation)
Declare LoadGpxFile(file.s);
Declare AddMarker(Latitude.d,Longitude.d,color.l=-1, CallBackPointer.i = -1)
Declare Quit()
@@ -74,7 +75,6 @@ Module PBMap
PBMapTileY.i
PBMapZoom.i
nImage.i
key.s
GetImageThread.i
EndStructure
@@ -97,14 +97,13 @@ Module PBMap
EndStructure
Structure TileThread
*Tile.Tile
GetImageThread.i
*Tile.Tile
EndStructure
Structure ImgMemCach
nImage.i
;Location.Location
;Mutex.i
Usage.i
EndStructure
Structure TileMemCach
@@ -117,19 +116,15 @@ Module PBMap
CallBackPointer.i ; @Procedure(X.i, Y.i) to DrawPointer (you must use VectorDrawing lib)
EndStructure
Structure Option
WheelMouseRelative.i
EndStructure
;-PBMap Structure
Structure PBMap
Window.i ; Parent Window
Gadget.i ; Canvas Gadget Id
Font.i ; Font to uses when write on the map
TargetLocation.Location ; Latitude and Longitude from focus point
Drawing.DrawingParameters ; Drawing parameters based on focus point
;
CallBackLocation.i ; @Procedure(latitude.d,lontitude.d)
CallBackMainPointer.i ; @Procedure(X.i, Y.i) to DrawPointer (you must use VectorDrawing lib)
;
Position.PixelPosition ; Actual focus point coords in pixels (global)
MoveStartingPoint.PixelPosition ; Start mouse position coords when dragging the map
@@ -143,22 +138,22 @@ Module PBMap
HDDCachePath.S ; Path where to load and save tiles downloaded from server
MemCache.TileMemCach ; Images in memory cache
;
Moving.i ;
Moving.i
Dirty.i ; To signal that drawing need a refresh
;
MainDrawingThread.i ;
List TilesThreads.TileThread() ;
;
MainDrawingThread.i
List TilesThreads.TileThread()
TileThreadMutex.i; ;Mutex to protect resources
List track.Location() ; To display a GPX track
List Marker.Marker() ; To diplay marker
EditMarkerIndex.l ;
;
Options.option ;
EditMarkerIndex.l
ImgLoading.i ;Image Loading Tile
EndStructure
;-Global variables
#PB_MAP_REDRAW = #PB_EventType_FirstCustomValue + 1
Global PBMap.PBMap, Null.i
Global LoadMutexTest = CreateMutex()
;Shows an error msg and terminates the program
Procedure Error(msg.s)
@@ -166,15 +161,14 @@ Module PBMap
End
EndProcedure
;Send debug infos to stdout (allowing mixed debug infos with curl or other libs)
Procedure MyDebug(msg.s, DbgLevel = 0)
If Verbose And MyDebugLevel >= DbgLevel
;Send debug infos to stdout
Procedure MyDebug(msg.s)
If Verbose
PrintN(msg)
;Debug msg
EndIf
EndProcedure
;- *** CURL specific
;- *** CURL specific ***
; (program has To be compiled in console format for curl debug infos)
IncludeFile "libcurl.pbi" ; https://github.com/deseven/pbsamples/tree/master/crossplatform/libcurl
@@ -187,8 +181,8 @@ Module PBMap
Procedure.i CurlReceiveHTTPToFile(URL$, DestFileName$, ProxyURL$="", ProxyPort$="", ProxyUser$="", ProxyPassword$="")
Protected *Buffer, curl.i, Timeout.i, res.i
Protected FileHandle.i
MyDebug("ReceiveHTTPToFile from " + URL$ + " " + ProxyURL$ + ProxyPort$ + ProxyUser$, 3)
MyDebug(" to file : " + DestFileName$, 3)
MyDebug("ReceiveHTTPToFile from " + URL$ + " " + ProxyURL$ + ProxyPort$ + ProxyUser$)
MyDebug(" to file : " + DestFileName$)
FileHandle = CreateFile(#PB_Any, DestFileName$)
If FileHandle And Len(URL$)
curl = curl_easy_init()
@@ -221,11 +215,11 @@ Module PBMap
curl_easy_setopt(curl, #CURLOPT_WRITEFUNCTION, @ReceiveHTTPWriteToFileFunction())
res = curl_easy_perform(curl)
If res <> #CURLE_OK
MyDebug("CURL problem", 3)
MyDebug("CURL problem")
EndIf
curl_easy_cleanup(curl)
Else
MyDebug("Can't init CURL", 3)
MyDebug("Can't init CURL")
EndIf
CloseFile(FileHandle)
ProcedureReturn FileSize(DestFileName$)
@@ -234,7 +228,7 @@ Module PBMap
EndProcedure
;- ***
Procedure InitPBMap()
Procedure InitPBMap(window)
Protected Result.i
If Verbose
OpenConsole()
@@ -246,80 +240,74 @@ Module PBMap
PBMap\MoveStartingPoint\x = - 1
PBMap\TileSize = 256
PBMap\Dirty = #False
PBMap\TileThreadMutex = CreateMutex()
PBMap\Drawing\Mutex = CreateMutex()
PBMap\Drawing\Semaphore = CreateSemaphore()
PBMap\EditMarkerIndex = -1 ;Initialised with "no marker selected"
PBMap\EditMarkerIndex = -1 ;<- You must initialize with No Marker selected
PBMap\Font = LoadFont(#PB_Any, "Arial", 20, #PB_Font_Bold)
;-Options
PBMap\Options\WheelMouseRelative = #True
;-Preferences
PBMap\Window = window
;- Proxy details
;Use this to create and customize your preferences file for the first time
; CreatePreferences(GetHomeDirectory() + "PBMap.prefs")
; ;Or this to modify
; ;OpenPreferences(GetHomeDirectory() + "PBMap.prefs")
; ;Or this
; ;RunProgram("notepad.exe", GetHomeDirectory() + "PBMap.prefs", GetHomeDirectory())
; Result = CreatePreferences(GetHomeDirectory() + "PBMap.prefs")
; If Proxy
; PreferenceGroup("PROXY")
; WritePreferenceInteger("Proxy", #True)
; WritePreferenceString("ProxyURL", "myproxy.fr")
; WritePreferenceString("ProxyPort", "myproxyport")
; WritePreferenceString("ProxyUser", "myproxyname")
; WritePreferenceString("ProxyPass", "myproxypass") ;TODO !Warning! !not encoded!
; EndIf
; If Result
; ClosePreferences()
OpenPreferences(GetHomeDirectory() + "PBMap.prefs")
PreferenceGroup("PROXY")
Proxy = ReadPreferenceInteger("Proxy", #False)
; EndIf
Result = OpenPreferences(GetHomeDirectory() + "PBMap.prefs")
If Proxy
PreferenceGroup("PROXY")
Global ProxyURL$ = ReadPreferenceString("ProxyURL", "") ;InputRequester("ProxyServer", "Do you use a Proxy Server? Then enter the full url:", "")
Global ProxyPort$ = ReadPreferenceString("ProxyPort", "") ;InputRequester("ProxyPort" , "Do you use a specific port? Then enter it", "")
Global ProxyUser$ = ReadPreferenceString("ProxyUser", "") ;InputRequester("ProxyUser" , "Do you use a user name? Then enter it", "")
Global ProxyPassword$ = InputRequester("ProxyPass", "Do you use a password ? Then enter it", "") ;TODO
Global ProxyPassword$ = InputRequester("ProxyPass", "Do you use a password ? Then enter it", "")
EndIf
If Result
ClosePreferences()
curl_global_init(#CURL_GLOBAL_WIN32)
;- Main drawing thread launching
PBMap\MainDrawingThread = CreateThread(@DrawingThread(), @PBMap\Drawing)
If PBMap\MainDrawingThread = 0
Error("MapGadget : can't create main drawing thread.")
EndIf
EndProcedure
curl_global_init(#CURL_GLOBAL_WIN32);
;- Main drawing thread launching
;PBMap\MainDrawingThread = CreateThread(@DrawingThread(), @PBMap\Drawing)
;If PBMap\MainDrawingThread = 0
; Error("MapGadget : can't create main drawing thread.")
Protected Text$ = "Loading"
PBmap\ImgLoading = CreateImage(#PB_Any,256,256)
If PBmap\ImgLoading
StartVectorDrawing(ImageVectorOutput(PBMap\Imgloading))
BeginVectorLayer()
VectorSourceColor(RGBA(255, 255, 255, 128))
AddPathBox(0, 0, 256, 256)
FillPath()
MovePathCursor(0, 0)
VectorFont(FontID(PBMap\Font), 256 / 20)
VectorSourceColor(RGBA(150, 150, 150, 255))
MovePathCursor(0 + (256 - VectorTextWidth(Text$)) / 2, 0 + (256 - VectorTextHeight(Text$)) / 2)
DrawVectorText(Text$)
EndVectorLayer()
StopVectorDrawing()
EndIf
Procedure SetMapServer(ServerURL.s="http://tile.openstreetmap.org/",TileSize.l=256,ZoomMin.l=0,ZoomMax.l=18)
PBMap\ServerURL = ServerURL
PBMap\ZoomMin = ZoomMin
PBMap\ZoomMax = ZoomMax
PBMap\TileSize = TileSize
EndProcedure
Procedure Quit()
Protected TimeCounter.q
;Ask main drawing thread to stop and wait for it for 2 seconds
LockMutex(PBMap\Drawing\Mutex)
;kill main drawing thread (nicer than KillThread(PBMap\MainDrawingThread))
;LockMutex(PBMap\Drawing\Mutex)
PBMap\Drawing\End = #True
UnlockMutex(PBMap\Drawing\Mutex)
TimeCounter = ElapsedMilliseconds()
Repeat
Delay(100)
If ElapsedMilliseconds() - TimeCounter > 2000
;Should not occur
KillThread(PBMap\MainDrawingThread)
EndIf
Until Not IsThread(PBMap\MainDrawingThread)
;Wait for loading threads to finish nicely. Passed 2 seconds, kills them.
TimeCounter = ElapsedMilliseconds()
Repeat
;UnlockMutex(PBMap\Drawing\Mutex)
;wait for loading threads to finish nicely
ResetList(PBMap\TilesThreads())
While NextElement(PBMap\TilesThreads())
If IsThread(PBMap\TilesThreads()\GetImageThread) = 0
FreeMemory(PBMap\TilesThreads()\Tile)
DeleteElement(PBMap\TilesThreads())
ElseIf ElapsedMilliseconds() - TimeCounter > 2000
;Should not occur
KillThread(PBMap\TilesThreads()\GetImageThread)
ResetList( PBMap\TilesThreads())
EndIf
Wend
Delay(10)
Until ListSize(PBMap\TilesThreads()) = 0
curl_global_cleanup()
EndProcedure
@@ -339,10 +327,10 @@ Module PBMap
Procedure MapGadget(Gadget.i, X.i, Y.i, Width.i, Height.i)
If Gadget = #PB_Any
PBMap\Gadget = CanvasGadget(PBMap\Gadget, X, Y, Width, Height, #PB_Canvas_Keyboard) ;#PB_Canvas_Keyboard has to be set for mousewheel to work on windows
PBMap\Gadget = CanvasGadget(PBMap\Gadget, X, Y, Width, Height)
Else
PBMap\Gadget = Gadget
CanvasGadget(PBMap\Gadget, X, Y, Width, Height, #PB_Canvas_Keyboard)
CanvasGadget(PBMap\Gadget, X, Y, Width, Height)
EndIf
EndProcedure
@@ -437,65 +425,62 @@ Module PBMap
EndIf
EndProcedure
Procedure.i GetTileFromMem(key.s)
MyDebug("Check if we have this image in memory", 3)
If FindMapElement(PBMap\MemCache\Images(), key)
MyDebug("Key : " + key + " found !", 3)
ProcedureReturn PBMap\MemCache\Images()\nImage
Else
MyDebug("Key : " + key + " not found !", 3)
ProcedureReturn -1
EndIf
EndProcedure
Procedure.i GetTileFromHDD(CacheFile.s)
Protected nImage.i
Debug "Loading image " + CacheFile + " ; Size : " + Str(FileSize(CacheFile))
If FileSize(CacheFile) > 0
nImage = LoadImage(#PB_Any, CacheFile)
If IsImage(nImage)
Debug "Success loading " + CacheFile + " as nImage " + Str(nImage)
MyDebug("Success loading " + CacheFile + " as nImage " + Str(nImage), 3)
MyDebug("Loadimage " + CacheFile + " -> Success !")
ProcedureReturn nImage
Else
Debug "Failed loading " + CacheFile + " as nImage " + Str(nImage) + " -> not an image !"
MyDebug("Failed loading " + CacheFile + " as nImage " + Str(nImage) + " -> not an image !", 3)
EndIf
Else
Debug "Failed loading " + CacheFile + " -> Size = 0"
MyDebug("Failed loading " + CacheFile + " -> Size = 0", 3)
EndIf
MyDebug("Loadimage " + CacheFile + " -> Failed !")
ProcedureReturn -1
EndProcedure
Procedure.i GetTileFromMem(Zoom.i, XTile.i, YTile.i)
Protected key.s = "Z" + RSet(Str(Zoom), 4, "0") + "X" + RSet(Str(XTile), 8, "0") + "Y" + RSet(Str(YTile), 8, "0")
MyDebug("Check if we have this image in memory")
If FindMapElement(PBMap\MemCache\Images(), key)
MyDebug("Key : " + key + " found !")
ProcedureReturn PBMap\MemCache\Images()\nImage
Else
Protected CacheFile.s = PBMap\HDDCachePath + "PBMap_" + Str(Zoom) + "_" + Str(XTile) + "_" + Str(YTile) + ".png"
MyDebug("Key : " + key + " Try HDD!")
ProcedureReturn GetTileFromHDD(CacheFile.s)
EndIf
EndProcedure
Procedure.i GetTileFromWeb(Zoom.i, XTile.i, YTile.i, CacheFile.s)
Protected *Buffer
Protected nImage.i = -1
Protected FileHandle.i
Protected TileURL.s = PBMap\ServerURL + Str(Zoom) + "/" + Str(XTile) + "/" + Str(YTile) + ".png"
MyDebug("Check if we have this image on Web", 3)
MyDebug("Check if we have this image on Web")
If Proxy
FileHandle = CurlReceiveHTTPToFile(TileURL, CacheFile, ProxyURL$, ProxyPort$, ProxyUser$, ProxyPassword$)
If FileHandle
nImage = GetTileFromHDD(CacheFile)
Else
MyDebug("File " + TileURL + " not correctly received with Curl and proxy", 3)
MyDebug("File " + TileURL + " not correctly received with Curl and proxy")
EndIf
Else
*Buffer = ReceiveHTTPMemory(TileURL) ;TODO to thread by using #PB_HTTP_Asynchronous
If *Buffer
nImage = CatchImage(#PB_Any, *Buffer, MemorySize(*Buffer))
If IsImage(nImage)
MyDebug("Load from web " + TileURL + " as Tile nb " + nImage, 3)
MyDebug("Load from web " + TileURL + " as Tile nb " + nImage)
Debug "url: " + TileURL
Debug "cache file: " + CacheFile
SaveImage(nImage, CacheFile, #PB_ImagePlugin_PNG)
FreeMemory(*Buffer)
Else
MyDebug("Can't catch image " + TileURL, 3)
MyDebug("Can't catch image " + TileURL)
nImage = -1
;ShowMemoryViewer(*Buffer, MemorySize(*Buffer))
EndIf
Else
MyDebug("ReceiveHTTPMemory's buffer is empty", 3)
Debug("ReceiveHTTPMemory's buffer is empty")
EndIf
EndIf
ProcedureReturn nImage
@@ -503,37 +488,41 @@ Module PBMap
Procedure GetImageThread(*Tile.Tile)
Protected nImage.i = -1
LockMutex(PBMap\TileThreadMutex)
Protected key.s = "Z" + RSet(Str(*Tile\PBMapZoom), 4, "0") + "X" + RSet(Str(*Tile\PBMapTileX), 8, "0") + "Y" + RSet(Str(*Tile\PBMapTileY), 8, "0")
Protected CacheFile.s = PBMap\HDDCachePath + "PBMap_" + Str(*Tile\PBMapZoom) + "_" + Str(*Tile\PBMapTileX) + "_" + Str(*Tile\PBMapTileY) + ".png"
Protected Tile.position
; PBMap\MemCache\Images(*Tile\key)\Mutex = CreateMutex()
; LockMutex(PBMap\MemCache\Images(*Tile\key)\Mutex)
; LockMutex(LoadMutexTest)
nImage = GetTileFromHDD(CacheFile)
; UnlockMutex(LoadMutexTest)
If nImage = -1
;Adding the image to the cache if possible
AddMapElement(PBMap\MemCache\Images(), key)
PBMap\MemCache\Images()\nImage= PBMap\ImgLoading
UnlockMutex(PBMap\TileThreadMutex)
;nImage = GetTileFromHDD(CacheFile)
;If nImage = -1
; LockMutex(PBMap\TileThreadMutex)
nImage = GetTileFromWeb(*Tile\PBMapZoom, *Tile\PBMapTileX, *Tile\PBMapTileY, CacheFile)
If nImage = -1
MyDebug("Error GetImageThread procedure, image not loaded - " + *Tile\key, 3)
*Tile\nImage = -1
ProcedureReturn
;UnlockMutex(PBMap\TileThreadMutex)
;EndIf
If nImage <> -1
LockMutex(PBMap\TileThreadMutex)
PBMap\MemCache\Images(key)\nImage = nImage
UnlockMutex(PBMap\TileThreadMutex)
MyDebug("Image nb " + Str(nImage) + " successfully added to mem cache")
MyDebug("With the following key : " + key)
Else
MyDebug("Error GetImageThread procedure, image not loaded - " + key)
nImage = -1
EndIf
EndIf
PBMap\MemCache\Images(*Tile\key)\nImage = nImage
; Tile\x=*Tile\PBMapTileX
; Tile\y=*Tile\PBMapTiley
; XY2LatLon(@Tile,@PBMap\MemCache\Images(*Tile\key)\Location)
MyDebug("Image nb " + Str(nImage) + " successfully added to mem cache", 3)
MyDebug("With the following key : " + *Tile\key, 3)
;Define this tile image nb
*Tile\nImage = nImage
; UnlockMutex(PBMap\MemCache\Images(key)\Mutex)
PostEvent(#PB_Event_Gadget,PBMap\window,PBmap\Gadget,#PB_MAP_REDRAW,*tile)
EndProcedure
Procedure DrawTile(*Tile.Tile)
Protected x = *Tile\Position\x
Protected y = *Tile\Position\y
MyDebug(" Drawing tile nb " + " X : " + Str(*Tile\PBMapTileX) + " Y : " + Str(*Tile\PBMapTileX), 2)
MyDebug(" at coords " + Str(x) + "," + Str(y), 2)
MyDebug(" Drawing tile nb " + " X : " + Str(*Tile\PBMapTileX) + " Y : " + Str(*Tile\PBMapTileX))
MyDebug(" at coords " + Str(x) + "," + Str(y))
MovePathCursor(x, y)
DrawVectorImage(ImageID(*Tile\nImage))
EndProcedure
@@ -542,138 +531,91 @@ Module PBMap
Protected x = *Tile\Position\x
Protected y = *Tile\Position\y
Protected Text$ = "Loading"
MyDebug(" Drawing tile nb " + " X : " + Str(*Tile\PBMapTileX) + " Y : " + Str(*Tile\PBMapTileX), 2)
MyDebug(" at coords " + Str(x) + "," + Str(y), 2)
BeginVectorLayer()
MyDebug(" Drawing tile nb " + " X : " + Str(*Tile\PBMapTileX) + " Y : " + Str(*Tile\PBMapTileX))
MyDebug(" at coords " + Str(x) + "," + Str(y))
; BeginVectorLayer()
; ;MovePathCursor(x, y)
; VectorSourceColor(RGBA(255, 255, 255, 128))
; AddPathBox(x, y, PBMap\TileSize, PBMap\TileSize)
; FillPath()
; MovePathCursor(x, y)
VectorSourceColor(RGBA(255, 255, 255, 128))
AddPathBox(x, y, PBMap\TileSize, PBMap\TileSize)
FillPath()
MovePathCursor(x, y)
VectorFont(FontID(PBMap\Font), PBMap\TileSize / 20)
VectorSourceColor(RGBA(150, 150, 150, 255))
MovePathCursor(x + (PBMap\TileSize - VectorTextWidth(Text$)) / 2, y + (PBMap\TileSize - VectorTextHeight(Text$)) / 2)
DrawVectorText(Text$)
EndVectorLayer()
; VectorFont(FontID(PBMap\Font), PBMap\TileSize / 20)
; VectorSourceColor(RGBA(150, 150, 150, 255))
; MovePathCursor(x + (PBMap\TileSize - VectorTextWidth(Text$)) / 2, y + (PBMap\TileSize - VectorTextHeight(Text$)) / 2)
; DrawVectorText(Text$)
; EndVectorLayer()
EndProcedure
Procedure DrawTiles(*Drawing.DrawingParameters)
;DisableDebugger
Protected x.i, y.i
Protected tx = Int(*Drawing\Position\x) ;Don't forget the Int() !
Protected ty = Int(*Drawing\Position\y)
Protected nx = *Drawing\CenterX / PBMap\TileSize ;How many tiles around the point
Protected ny = *Drawing\CenterY / PBMap\TileSize
MyDebug("Drawing tiles", 2)
Protected px,py,img
MyDebug("Drawing tiles")
For y = - ny - 1 To ny + 1
For x = - nx - 1 To nx + 1
;Was quiting the loop if a move occured, giving maybe smoother movement
;If PBMap\Moving
; Break 2
;EndIf
;Store parameters in only one memory place, and give it to the thread if needed
px = *Drawing\CenterX + x * PBMap\TileSize - *Drawing\DeltaX
py = *Drawing\CenterY + y * PBMap\TileSize - *Drawing\DeltaY
img = GetTileFromMem(PBMap\Zoom,tx+x,ty+y)
If img <> -1
MovePathCursor(px,py)
DrawVectorImage(ImageID(img))
Else
MovePathCursor(px,py)
DrawVectorImage(ImageID(PBMap\ImgLoading))
Protected *NewTile.Tile = AllocateMemory(SizeOf(Tile))
If *NewTile
With *NewTile
;Keep a track of tiles, and eventually associated threads, to free memory
;Keep a track of tiles (especially to free memory)
AddElement(PBMap\TilesThreads())
PBMap\TilesThreads()\Tile = *NewTile
;New tile parameters
\Position\x = *Drawing\CenterX + x * PBMap\TileSize - *Drawing\DeltaX
\Position\y = *Drawing\CenterY + y * PBMap\TileSize - *Drawing\DeltaY
\Position\x = px ;*Drawing\CenterX + x * PBMap\TileSize - *Drawing\DeltaX
\Position\y = py ;*Drawing\CenterY + y * PBMap\TileSize - *Drawing\DeltaY
\PBMapTileX = tx + x
\PBMapTileY = ty + y
\PBMapZoom = PBMap\Zoom
\key = "Z" + RSet(Str(\PBMapZoom), 4, "0") + "X" + RSet(Str(\PBMapTileX), 8, "0") + "Y" + RSet(Str(\PBMapTileY), 8, "0") ;Unique identifier
;Check if the image exists
\nImage = GetTileFromMem(\key)
If \nImage = -1
;If not, load it in the background
If AddMapElement(PBMap\MemCache\Images(), \key) ;Add the image to the cache, once in this loop
\GetImageThread = CreateThread(@GetImageThread(), *NewTile)
PBMap\TilesThreads()\GetImageThread = \GetImageThread
MyDebug(" Creating get image thread nb " + Str(\GetImageThread), 2)
Else
MyDebug(" Can't add a new image to the map list", 2)
CallDebugger
EndIf
EndIf
If IsImage(\nImage)
DrawTile(*NewTile)
Else
MyDebug("Image missing", 2)
DrawLoading(*NewTile)
*Drawing\Dirty = #True ;Signals that this image is missing so we should have to redraw
EndIf
myDebug(" Creating get image thread nb " + Str(\GetImageThread))
; DrawLoading(*NewTile)
;*Drawing\Dirty = #True ;Signals that this image is missing so we should have to redraw
EndWith
Else
MyDebug(" Error, can't create a new tile", 2)
MyDebug(" Error, can't create a new tile")
Break 2
EndIf
EndIf
Next
Next
;Free tile memory
;Free tile memory when the loading thread has finished
;TODO : get out this proc from drawtiles in a special "free ressources" task
ForEach PBMap\TilesThreads()
;Check if there's no more loading thread
If IsThread(PBMap\TilesThreads()\GetImageThread) = 0
FreeMemory(PBMap\TilesThreads()\Tile)
DeleteElement(PBMap\TilesThreads())
EndIf
Next
; ;-**** Clean Mem Cache
; ;TODO in development, by now there's many cache problem as the loading thread could be perturbed
; ;GadgetWidth(PBMap\Gadget)/PBMap\TileSize
; Protected MaxNbTile.l
; If GadgetWidth(PBMap\Gadget)>GadgetHeight(PBMap\Gadget)
; MaxNbTile=GadgetWidth(PBMap\Gadget)/PBMap\TileSize
; Else
; MaxNbTile=GadgetHeight(PBMap\Gadget)/PBMap\TileSize
; EndIf
; Protected Scale.d= 40075*Cos(Radian(PBMap\TargetLocation\Latitude))/Pow(2,PBMap\Zoom)
; Protected Limit.d=Scale*(MaxNbTile)*1.5
; Debug "Cache cleaning"
; ForEach PBMap\MemCache\Images()
; Protected Distance.d = HaversineInKM(@PBMap\MemCache\Images()\Location, @PBMap\TargetLocation)
; Debug "Limit:"+StrD(Limit)+" Distance:"+StrD(Distance)
; If Distance>Limit And IsImage(PBMap\MemCache\Images()\nImage)
; LockMutex(PBMap\MemCache\Images()\Mutex)
; Debug "delete"
; Debug PBMap\MemCache\Images()
; FreeImage(PBMap\MemCache\Images()\nImage)
; UnlockMutex(PBMap\MemCache\Images()\Mutex)
; FreeMutex(PBMap\MemCache\Images()\Mutex)
; DeleteMapElement(PBMap\MemCache\Images())
; EndIf
; Next
;EnableDebugger
EndProcedure
Procedure DrawPointer(*Drawing.DrawingParameters)
If PBMap\CallBackMainPointer > 0
; @Procedure(X.i, Y.i) to DrawPointer (you must use VectorDrawing lib)
CallFunctionFast(PBMap\CallBackMainPointer, *Drawing\CenterX, *Drawing\CenterY)
Else
VectorSourceColor(RGBA($FF, 0, 0, $FF))
MovePathCursor(*Drawing\CenterX, *Drawing\CenterY)
Procedure Pointer(x.i, y.i, color.l = #Red)
color=RGBA(255, 0, 0, 255)
VectorSourceColor(color)
MovePathCursor(x, y)
AddPathLine(-8,-16,#PB_Path_Relative)
AddPathCircle(8,0,8,180,0,#PB_Path_Relative)
AddPathLine(-8,16,#PB_Path_Relative)
;FillPath(#PB_Path_Preserve)
;ClipPath(#PB_Path_Preserve)
AddPathCircle(0,-16,5,0,360,#PB_Path_Relative)
VectorSourceColor(RGBA($FF, 0, 0, $FF))
FillPath(#PB_Path_Preserve):VectorSourceColor(RGBA($FF, 0, 0, $FF));RGBA(0, 0, 0, 255))
StrokePath(1)
EndIf
EndProcedure
Procedure DrawScale(*Drawing.DrawingParameters)
;TODO Add Option and function to display Scale on Map
Protected Scale.d= 40075*Cos(Radian(PBMap\TargetLocation\Latitude))/Pow(2,PBMap\Zoom)
VectorFont(FontID(PBMap\Font), 30)
VectorSourceColor(RGBA(0, 0, 0, 80))
MovePathCursor(50,50)
DrawVectorText(StrD(Scale))
VectorSourceColor(color)
FillPath(#PB_Path_Preserve):VectorSourceColor(RGBA(0, 0, 0, 255)):StrokePath(1)
EndProcedure
Procedure TrackPointer(x.i, y.i,dist.l)
@@ -701,7 +643,7 @@ Module PBMap
Protected km.f, memKm.i
If ListSize(PBMap\track())>0
;Trace Track
LockMutex(PBMap\Drawing\Mutex)
; LockMutex(PBMap\Drawing\Mutex)
ForEach PBMap\track()
If *Drawing\TargetLocation\Latitude<>0 And *Drawing\TargetLocation\Longitude<>0
GetPixelCoordFromLocation(@PBMap\track(),@Pixel)
@@ -716,7 +658,7 @@ Module PBMap
StrokePath(10, #PB_Path_RoundEnd|#PB_Path_RoundCorner)
;Draw Distance
ForEach PBMap\track()
;Distance test
;-Test Distance
If ListIndex(PBMap\track())=0
Location\Latitude=PBMap\track()\Latitude
Location\Longitude=PBMap\track()\Longitude
@@ -735,7 +677,7 @@ Module PBMap
EndIf
EndIf
Next
UnlockMutex(PBMap\Drawing\Mutex)
; UnlockMutex(PBMap\Drawing\Mutex)
EndIf
EndProcedure
@@ -758,7 +700,7 @@ Module PBMap
If PBMap\Marker()\CallBackPointer > 0
CallFunctionFast(PBMap\Marker()\CallBackPointer, Pixel\X, Pixel\Y)
Else
DrawPointer(*Drawing)
Pointer(Pixel\X, Pixel\Y, PBMap\Marker()\color)
EndIf
EndIf
EndIf
@@ -767,58 +709,51 @@ Module PBMap
;-*** Main drawing thread
; always running, waiting for a semaphore to start refreshing
Procedure DrawingThread(*SharedDrawing.DrawingParameters)
Protected Drawing.DrawingParameters
Procedure DrawingThread();*SharedDrawing.DrawingParameters)
Protected *Drawing.DrawingParameters = @PBMap\Drawing
Protected Px.d, Py.d
Repeat
WaitSemaphore(*SharedDrawing\Semaphore)
MyDebug("--------- Main drawing thread ------------")
;Repeat
; WaitSemaphore(*SharedDrawing\Semaphore)
; MyDebug("--------- Main drawing thread ------------")
;Creates a copy of the structure to work with to avoid multiple mutex locks
LockMutex(*SharedDrawing\Mutex)
CopyStructure(*SharedDrawing, @Drawing, DrawingParameters)
UnlockMutex(*SharedDrawing\Mutex)
; LockMutex(*SharedDrawing\Mutex)
; CopyStructure(*SharedDrawing, @Drawing, DrawingParameters)
; UnlockMutex(*SharedDrawing\Mutex)
;Precalc some values
Drawing\CenterX = GadgetWidth(PBMap\Gadget) / 2
Drawing\CenterY = GadgetHeight(PBMap\Gadget) / 2
*Drawing\CenterX = GadgetWidth(PBMap\Gadget) / 2
*Drawing\CenterY = GadgetHeight(PBMap\Gadget) / 2
;Pixel shift, aka position in the tile
Px = Drawing\Position\x : Py = Drawing\Position\y
Drawing\DeltaX = Px * PBMap\TileSize - (Int(Px) * PBMap\TileSize) ;Don't forget the Int() !
Drawing\DeltaY = Py * PBMap\TileSize - (Int(Py) * PBMap\TileSize)
Drawing\TargetLocation\Latitude = PBMap\TargetLocation\Latitude
Drawing\TargetLocation\Longitude = PBMap\TargetLocation\Longitude
Drawing\Dirty = #False
Px = *Drawing\Position\x : Py = *Drawing\Position\y
*Drawing\DeltaX = Px * PBMap\TileSize - (Int(Px) * PBMap\TileSize) ;Don't forget the Int() !
*Drawing\DeltaY = Py * PBMap\TileSize - (Int(Py) * PBMap\TileSize)
*Drawing\TargetLocation\Latitude = PBMap\TargetLocation\Latitude
*Drawing\TargetLocation\Longitude = PBMap\TargetLocation\Longitude
;Drawing\Dirty = #False
;Main drawing stuff
StartVectorDrawing(CanvasVectorOutput(PBMap\Gadget))
DrawTiles(@Drawing)
DrawTrack(@Drawing)
DrawMarker(@Drawing)
DrawPointer(@Drawing)
;DrawScale(@Drawing)
;- Display how many images in cache
VectorFont(FontID(PBMap\Font), 30)
VectorSourceColor(RGBA(0, 0, 0, 80))
MovePathCursor(50,50)
DrawVectorText(Str(MapSize(PBMap\MemCache\Images())))
MovePathCursor(50,80)
DrawVectorText(Str(ListSize(PBMap\TilesThreads())))
DrawTiles(*Drawing)
;DrawTrack(*Drawing)
;DrawMarker(*Drawing)
;Pointer(*Drawing\CenterX, *Drawing\CenterY, #Red)
StopVectorDrawing()
;Redraw
; If something was not correctly drawn, redraw after a while
LockMutex(*SharedDrawing\Mutex) ;Be sure that we're not modifying variables while moving (seems not useful, but it is, especially to clean the semaphore)
If Drawing\Dirty
MyDebug("Something was dirty ! We try again to redraw")
Drawing\PassNb + 1
SignalSemaphore(*SharedDrawing\Semaphore)
Else
;Clean the semaphore to avoid multiple unuseful redraws
Repeat : Until TrySemaphore(*SharedDrawing\Semaphore) = 0
EndIf
UnlockMutex(*SharedDrawing\Mutex)
Until Drawing\End
; LockMutex(*SharedDrawing\Mutex) ;Be sure that we're not modifying variables while moving (seems not useful, but it is, especially to clean the semaphore)
; If Drawing\Dirty
; MyDebug("Something was dirty ! We try again to redraw")
; Drawing\PassNb + 1
; SignalSemaphore(*SharedDrawing\Semaphore)
; Else
; ;Clean the semaphore to avoid multiple unuseful redraws
; Repeat : Until TrySemaphore(*SharedDrawing\Semaphore) = 0
; EndIf
;UnlockMutex(*SharedDrawing\Mutex)
;Until Drawing\End
EndProcedure
Procedure Refresh()
SignalSemaphore(PBMap\Drawing\Semaphore)
DrawingThread()
;SignalSemaphore(PBMap\Drawing\Semaphore)
EndProcedure
Procedure SetLocation(latitude.d, longitude.d, zoom = 15, Mode.i = #PB_Absolute)
@@ -840,7 +775,8 @@ Module PBMap
PBMap\Position\y = PBMap\Drawing\Position\y * PBMap\TileSize
PBMap\Drawing\PassNb = 1
;Start drawing
SignalSemaphore(PBMap\Drawing\Semaphore)
;SignalSemaphore(PBMap\Drawing\Semaphore)
DrawingThread()
;***
If PBMap\CallBackLocation > 0
CallFunctionFast(PBMap\CallBackLocation, @PBMap\TargetLocation)
@@ -903,88 +839,49 @@ Module PBMap
PBMap\Position\X = PBMap\Drawing\Position\x * PBMap\TileSize
PBMap\Position\Y = PBMap\Drawing\Position\y * PBMap\TileSize
;*** Creates a drawing thread and fill parameters
PBMap\Drawing\PassNb = 1
;PBMap\Drawing\PassNb = 1
;Start drawing
SignalSemaphore(PBMap\Drawing\Semaphore)
;SignalSemaphore(PBMap\Drawing\Semaphore)
DrawingThread()
;***
If PBMap\CallBackLocation > 0
CallFunctionFast(PBMap\CallBackLocation, @PBMap\TargetLocation)
EndIf
EndProcedure
;Zoom on x, y position relative to the canvas gadget
Procedure SetZoomOnPosition(x, y, zoom)
Protected MouseX.d, MouseY.d
Protected OldPx.d, OldPy.d, OldMx.d, OldMy.d
;Fast and dirty code
OldPx = PBMap\Position\x : OldPy = PBMap\Position\y
OldMx = OldPx + GadgetWidth(PBMap\Gadget) / 2 - x
OldMy = OldPy + GadgetHeight(PBMap\Gadget) / 2 - y
PBMap\Zoom = PBMap\Zoom + zoom
If PBMap\Zoom > PBMap\ZoomMax : PBMap\Zoom = PBMap\ZoomMax : EndIf
If PBMap\Zoom < PBMap\ZoomMin : PBMap\Zoom = PBMap\ZoomMin : EndIf
;Centered Zoom
LockMutex(PBMap\Drawing\Mutex)
LatLon2XY(@PBMap\TargetLocation, @PBMap\Drawing)
;Convert X, Y in tile.decimal into real pixels
PBMap\Position\x = PBMap\Drawing\Position\x * PBMap\TileSize
PBMap\Position\y = PBMap\Drawing\Position\y * PBMap\TileSize
MouseX = PBMap\Position\x + GadgetWidth(PBMap\Gadget) / 2 - x
MouseY = PBMap\Position\y + GadgetHeight(PBMap\Gadget) / 2 - y
;Cross-multiply to get the new center
PBMap\Position\x = (OldPx * MouseX) / OldMx
PBMap\Position\y = (OldPy * MouseY) / OldMy
;PBMap tile position in tile.decimal
PBMap\Drawing\Position\x = PBMap\Position\x / PBMap\TileSize
PBMap\Drawing\Position\y = PBMap\Position\y / PBMap\TileSize
PBMap\Drawing\PassNb = 1
XY2LatLon(@PBMap\Drawing, @PBMap\TargetLocation)
UnlockMutex(PBMap\Drawing\Mutex)
;Start drawing
SignalSemaphore(PBMap\Drawing\Semaphore)
;If CallBackLocation send Location to function
If PBMap\CallBackLocation > 0
CallFunctionFast(PBMap\CallBackLocation, @PBMap\TargetLocation)
EndIf
EndProcedure
Procedure SetCallBackLocation(CallBackLocation.i)
PBMap\CallBackLocation = CallBackLocation
EndProcedure
Procedure SetCallBackMainPointer(CallBackMainPointer.i)
PBMap\CallBackMainPointer = CallBackMainPointer
EndProcedure
Procedure.d GetLatitude()
Protected Value.d
LockMutex(PBMap\Drawing\Mutex)
; LockMutex(PBMap\Drawing\Mutex)
Value = PBMap\TargetLocation\Latitude
UnlockMutex(PBMap\Drawing\Mutex)
; UnlockMutex(PBMap\Drawing\Mutex)
ProcedureReturn Value
EndProcedure
Procedure.d GetLongitude()
Protected Value.d
LockMutex(PBMap\Drawing\Mutex)
; LockMutex(PBMap\Drawing\Mutex)
Value = PBMap\TargetLocation\Longitude
UnlockMutex(PBMap\Drawing\Mutex)
; UnlockMutex(PBMap\Drawing\Mutex)
ProcedureReturn Value
EndProcedure
Procedure.i GetZoom()
Protected Value.d
LockMutex(PBMap\Drawing\Mutex)
; LockMutex(PBMap\Drawing\Mutex)
Value = PBMap\Zoom
UnlockMutex(PBMap\Drawing\Mutex)
; UnlockMutex(PBMap\Drawing\Mutex)
ProcedureReturn Value
EndProcedure
Procedure Event(Event.l)
Protected Gadget.i
Protected MouseX.i, MouseY.i
Protected Marker.Position
Protected *Drawing.DrawingParameters
If IsGadget(PBMap\Gadget) And GadgetType(PBMap\Gadget) = #PB_GadgetType_Canvas
Select Event
Case #PB_Event_Gadget ;{
@@ -992,14 +889,6 @@ Module PBMap
Select Gadget
Case PBMap\Gadget
Select EventType()
Case #PB_EventType_MouseWheel
If PBMap\Options\WheelMouseRelative
;Relative zoom (centered on the mouse)
SetZoomOnPosition(GetGadgetAttribute(PBMap\Gadget, #PB_Canvas_MouseX), GetGadgetAttribute(PBMap\Gadget, #PB_Canvas_MouseY), GetGadgetAttribute(PBMap\Gadget, #PB_Canvas_WheelDelta))
Else
;Absolute zoom (centered on the center of the map)
SetZoom(GetGadgetAttribute(PBMap\Gadget,#PB_Canvas_WheelDelta), #PB_Relative)
EndIf
Case #PB_EventType_LeftButtonDown
;Check if we select a marker
MouseX = PBMap\Position\x - GadgetWidth(PBMap\Gadget) / 2 + GetGadgetAttribute(PBMap\Gadget, #PB_Canvas_MouseX)
@@ -1017,12 +906,11 @@ Module PBMap
PBMap\MoveStartingPoint\x = GetGadgetAttribute(PBMap\Gadget, #PB_Canvas_MouseX)
PBMap\MoveStartingPoint\y = GetGadgetAttribute(PBMap\Gadget, #PB_Canvas_MouseY)
Case #PB_EventType_MouseMove
;If a move has been initiated by a left click
If PBMap\MoveStartingPoint\x <> - 1
MouseX = GetGadgetAttribute(PBMap\Gadget, #PB_Canvas_MouseX) - PBMap\MoveStartingPoint\x
MouseY = GetGadgetAttribute(PBMap\Gadget, #PB_Canvas_MouseY) - PBMap\MoveStartingPoint\y
PBMap\Moving = #True
;If it's marker move
;move Marker
If PBMap\EditMarkerIndex > -1
SelectElement(PBMap\Marker(), PBMap\EditMarkerIndex)
LatLon2XY(@PBMap\Marker()\Location, @Marker)
@@ -1033,39 +921,43 @@ Module PBMap
;New move values
PBMap\Position\x - MouseX
PBMap\Position\y - MouseY
;Fill parameters and send a signal to the drawing thread
LockMutex(PBMap\Drawing\Mutex)
;-*** Fill parameters and signal the drawing thread
; LockMutex(PBMap\Drawing\Mutex)
;PBMap tile position in tile.decimal
PBMap\Drawing\Position\x = PBMap\Position\x / PBMap\TileSize
PBMap\Drawing\Position\y = PBMap\Position\y / PBMap\TileSize
PBMap\Drawing\PassNb = 1
XY2LatLon(@PBMap\Drawing, @PBMap\TargetLocation)
UnlockMutex(PBMap\Drawing\Mutex)
;Start drawing
SignalSemaphore(PBMap\Drawing\Semaphore)
EndIf
;If CallBackLocation send Location to function
If PBMap\CallBackLocation > 0
CallFunctionFast(PBMap\CallBackLocation, @PBMap\TargetLocation)
EndIf
; UnlockMutex(PBMap\Drawing\Mutex)
EndIf
;Start drawing
;SignalSemaphore(PBMap\Drawing\Semaphore)
DrawingThread()
;- ***
PBMap\MoveStartingPoint\x = GetGadgetAttribute(PBMap\Gadget, #PB_Canvas_MouseX)
PBMap\MoveStartingPoint\y = GetGadgetAttribute(PBMap\Gadget, #PB_Canvas_MouseY)
; DrawingThread()
EndIf
Case #PB_EventType_LeftButtonUp
PBMap\Moving = #False
PBMap\MoveStartingPoint\x = - 1
;Stop marker move
If PBMap\EditMarkerIndex > -1
PBMap\EditMarkerIndex = -1
Else
;Stop map move
LockMutex(PBMap\Drawing\Mutex)
Else ;Move Map
;LockMutex(PBMap\Drawing\Mutex)
PBMap\Drawing\Position\x = PBMap\Position\x / PBMap\TileSize
PBMap\Drawing\Position\y = PBMap\Position\y / PBMap\TileSize
MyDebug("PBMap\Drawing\Position\x " + Str(PBMap\Drawing\Position\x) + " ; PBMap\Drawing\Position\y " + Str(PBMap\Drawing\Position\y) )
XY2LatLon(@PBMap\Drawing, @PBMap\TargetLocation)
UnlockMutex(PBMap\Drawing\Mutex)
; UnlockMutex(PBMap\Drawing\Mutex)
DrawingThread()
EndIf
Case #PB_MAP_REDRAW
DrawingThread()
EndSelect
EndSelect
EndSelect
@@ -1125,11 +1017,6 @@ CompilerIf #PB_Compiler_IsMainFile
FillPath(#PB_Path_Preserve):VectorSourceColor(RGBA(0, 0, 0, 255)):StrokePath(1)
EndProcedure
Procedure MainPointer(x.i, y.i)
VectorSourceColor(RGBA(255, 255,255, 255)):AddPathCircle(x, y,32):StrokePath(1)
VectorSourceColor(RGBA(0,0,0, 255)):AddPathCircle(x, y,29):StrokePath(2)
EndProcedure
Procedure ResizeAll()
ResizeGadget(#Map,10,10,WindowWidth(#Window_0)-198,WindowHeight(#Window_0)-59)
ResizeGadget(#Text_1,WindowWidth(#Window_0)-170,#PB_Ignore,#PB_Ignore,#PB_Ignore)
@@ -1150,9 +1037,10 @@ CompilerIf #PB_Compiler_IsMainFile
EndProcedure
;- MAIN TEST
OpenConsole()
If OpenWindow(#Window_0, 260, 225, 700, 571, "PBMap", #PB_Window_SystemMenu | #PB_Window_MinimizeGadget | #PB_Window_TitleBar | #PB_Window_ScreenCentered | #PB_Window_SizeGadget)
LoadFont(0, "Wingdings", 12)
LoadFont(0, "Arial", 12)
LoadFont(1, "Arial", 12, #PB_Font_Bold)
TextGadget(#Text_1, 530, 50, 60, 15, "Movements")
@@ -1174,12 +1062,11 @@ CompilerIf #PB_Compiler_IsMainFile
Define pfValue.d
;Our main gadget
PBMap::InitPBMap()
PBMap::InitPBMap(#Window_0)
PBMap::MapGadget(#Map, 10, 10, 512, 512)
PBMap::SetCallBackLocation(@UpdateLocation())
PBMap::SetCallBackMainPointer(@MainPointer()) ;To change the Main Pointer
PBMap::SetLocation(49.04599, 2.03347, 17)
PBMap::AddMarker(49.0446828398, 2.0349812508, -1, @MyPointer())
PBMap::SetLocation(-36.8485,174.7633,10)
;PBMap::AddMarker(49.0446828398, 2.0349812508, -1, @MyPointer())
Repeat
Event = WaitWindowEvent()
@@ -1202,8 +1089,8 @@ CompilerIf #PB_Compiler_IsMainFile
Case #Button_5
PBMap::SetZoom( - 1)
Case #Gdt_LoadGpx
PBMap::LoadGpxFile(OpenFileRequester("Choose a file to load", "", "*.gpx", 0))
PBMap::ZoomToArea() ; <-To center the view, and zoom on the tracks
PBMap::LoadGpxFile(OpenFileRequester("Choisissez un fichier <20> charger", "", "*.gpx", 0))
PBMap::ZoomToArea() ; <-To center the view, and to viex all the track
Case #Gdt_AddMarker
PBMap:: AddMarker(ValD(GetGadgetText(#String_0)),ValD(GetGadgetText(#String_1)),RGBA(Random(255),Random(255),Random(255),255))
EndSelect
@@ -1214,11 +1101,14 @@ CompilerIf #PB_Compiler_IsMainFile
PBMap::Quit()
EndIf
CloseConsole()
CompilerEndIf
; IDE Options = PureBasic 5.42 LTS (Windows - x86)
; CursorPosition = 478
; FirstLine = 468
; Folding = ---------
; CursorPosition = 1073
; FirstLine = 1062
; Folding = --------
; EnableUnicode
; EnableThread
; EnableXP