/// <summary>
/// Redraws the images
/// </summary>
/*protected void Redraw()
* {
* Log.Info("dvb-teletext redraw()");
* try
* {
* // First update the foreground image. Step 1 make it invisible
* _updatingForegroundImage = true;
* imgTeletextForeground.IsVisible = false;
* // Clear the old image
* Image img = (Image) bmpTeletextPage.Clone();
* imgTeletextForeground.FileName = "";
* GUITextureManager.ReleaseTexture("[teletextpage]");
* // Set the new image and make the image visible again
* imgTeletextForeground.MemoryImage = img;
* imgTeletextForeground.FileName = "[teletextpage]";
* imgTeletextForeground.Centered = false;
* imgTeletextForeground.KeepAspectRatio = false;
* imgTeletextForeground.IsVisible = true;
* _updatingForegroundImage = false;
* // Update the background image now. Therefor make image invisible
* _updatingBackgroundImage = true;
* imgTeletextBackground.IsVisible = false;
* // Clear the old image
* Image img2 = (Image) bmpTeletextPage.Clone();
* imgTeletextBackground.FileName = "";
* GUITextureManager.ReleaseTexture("[teletextpage2]");
* // Set the new image and make the image visible again
* imgTeletextBackground.MemoryImage = img2;
* imgTeletextBackground.FileName = "[teletextpage2]";
* imgTeletextBackground.Centered = false;
* imgTeletextBackground.KeepAspectRatio = false;
* imgTeletextBackground.IsVisible = true;
* _updatingBackgroundImage = false;
* }
* catch (Exception ex)
* {
* Log.Error(ex);
* }
* }*/
protected void Redraw()
{
Bitmap bitmap;
if (_redrawForeground)
{
imgTeletextForeground.IsVisible = false;
if (!imgTeletextForeground.LockMemoryImageTexture(out bitmap))
{
return;
}
_renderer.RenderPage(ref bitmap, receivedPage, receivedPageNumber, receivedSubPageNumber, _waiting);
imgTeletextForeground.UnLockMemoryImageTexture();
imgTeletextForeground.IsVisible = true;
}
else
{
imgTeletextBackground.IsVisible = false;
if (!imgTeletextBackground.LockMemoryImageTexture(out bitmap))
{
return;
}
_renderer.RenderPage(ref bitmap, receivedPage, receivedPageNumber, receivedSubPageNumber, _waiting);
imgTeletextBackground.UnLockMemoryImageTexture();
imgTeletextBackground.IsVisible = true;
}
_redrawForeground = !_redrawForeground;
}