internal static string BuildImages(int width, int height, List <GUIOverlayImage> listOverlayImages, string inMemoryFileID)
{
if (GUITextureManager.GetCachedTexture(inMemoryFileID) != null)
{
return(inMemoryFileID);
}
List <Image> imgs = new List <Image>();
List <GUIOverlayImage> ovrls = new List <GUIOverlayImage>();
// step one: Resize all Images to fit in Width, Height
for (int i = 0; i < listOverlayImages.Count; i++)
{
if (listOverlayImages[i].Width == 0 || listOverlayImages[i].Height == 0)
{
continue;
}
Image single = null;
try
{
single = LoadImageFastFromFile(listOverlayImages[i].ThemedFileName);
if (single == null)
{
continue;
}
if (single.Width == 0 || single.Height == 0)
{
continue;
}
}
catch (Exception)
{
Log.Debug("GUIImageAllocator: Skip. Could not load Image file... " + listOverlayImages[i].FileName);
continue;
}
if (listOverlayImages[i].Width != single.Width || listOverlayImages[i].Height != single.Height)
{
single = MediaPortal.Util.Utils.ResizeImage(single, new Size(listOverlayImages[i].Width, listOverlayImages[i].Height), _preserveAspectRatio);
}
imgs.Add(single);
ovrls.Add(listOverlayImages[i]);
}
if (imgs.Count == 0)
{
return(string.Empty);
}
// step two: finally draw all images
Bitmap bmp = new Bitmap(width, height);
Image img = bmp;
Graphics g = Graphics.FromImage(img);
try
{
for (int i = 0; i < imgs.Count; i++)
{
g.DrawImage(imgs[i], ovrls[i].posX, ovrls[i].posY);
}
}
finally
{
g.Dispose();
}
// step three: build final image in memory
try
{
// we don't have to try first, if name already exists mp will not do anything with the image
GUITextureManager.LoadFromMemory(bmp, inMemoryFileID, 0, width, height);
if (!string.IsNullOrEmpty(inMemoryFileID) && !_cachedAllocatorImages.Contains(inMemoryFileID))
{
_cachedAllocatorImages.Add(inMemoryFileID);
}
}
catch (Exception)
{
Log.Error("GUIImageAllocator: BuildImages: Unable to add to MP's Graphics memory: " + inMemoryFileID);
return(string.Empty);
}
return(inMemoryFileID);
}
private static void Flush(string sTextureName)
{
Log.Debug("GUIImageAllocator: Flush {0}", sTextureName);
GUITextureManager.ReleaseTexture(sTextureName);
}