Ah I forgot to mention, that the images which didnt load in the first
place, still dont load if I, for instance, zoom back to those tiles
again. Its like a white whole in the middle of the map then.
thanks!
On 2 Mai, 14:18, newnoise <tommmuel...@googlemail.com> wrote:
> Hello,
>
> I am currently developing a map-service application.
> Therefore I have a grid containing the tiles of my map.
> I wrote an algorithm which dynamically fills this grid with the number
> of needed tiles.
> Strange thing is, that the IE7 does not complete the initial loading
> of the images, the status bar says that it has to load 18 more
> elements, but it never completes this task.
> But if I do some action with the map then, like zooming or scrolling,
> so that the displayed tiles change, the same algorithm works perfectly
> well.
> Anyway IE7 and IE8 never fire the image.onload Event.
>
> Here is some code:
>
> public void displayVisibleTiles(VisibleTiles tile, int zoom, int
> zoomvalue) {
> int countX = (- visibleTiles.getBottomLeftTile()[0] +
> visibleTiles.getTopRightTile()[0]+1);
> int countY = (visibleTiles.getBottomLeftTile()[1] -
> visibleTiles.getTopRightTile()[1]+1);
>
> picGrid.resize(countY, countX);
> currentCountX = countX;
> currentCountY = countY;
> int xCounter = 0;
> int yCounter = 0;
>
> int yEnd = (visibleTiles.getTopRightTile()[1]) + countY;
> int yStart = (visibleTiles.getTopRightTile()[1]);
>
> for (int y = yStart; y < yEnd; y++)
> {
> xCounter = 0;
> for (int x = (visibleTiles.getBottomLeftTile()[0]); x
> <
> (visibleTiles.getBottomLeftTile()[0]) + countX; x++)
> {
> Image mapPart = new Image();
> if ((y < 0) || (y >=
> tiles.getImageCount(zoom)) ||
> (x < 0) || (x >=
> tiles.getImageCount(zoom))) {
> mapPart = new Image();
> mapPart.addLoadHandler(new
> LoadHandler(){
>
> @Override
> public void onLoad(LoadEvent
> event) {
>
> System.out.println("Pic Loaded!");
> }});
> mapPart.setUrl("pics/blank.jpg");
> }
> else {
> mapPart = new Image();
> mapPart.addLoadHandler(new
> LoadHandler(){
>
> @Override
> public void
> onLoad(LoadEvent event) {
>
> System.out.println("Pic Loaded!");
> }});
> mapPart.setUrl(folder + zoom
> + "/im" + x + "_" +
> y + ".jpg");
>
> }
> }
> picGrid.setWidget(yCounter, xCounter,
> mapPart, y, x);
> xCounter++;
> }
> yCounter++;
> }
>
> }
>
> Thanks in advance for any advice!
>
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