private Bitmap RenderImage()
{
Bitmap bitmap = TokenControl.RenderVisual(TokenControl.ZoomControl);
//Apply the special filter.
BitmapHelper.AddFilter(bitmap, _vm.SpecialFilterColor, _specialFilter);
// Modify the rendered image.
if (_overlayInfo != null)
{
var overlay = ImageLoader.LoadBitmapFromFile(_overlayInfo.Info.File, TokenControl.ImageResolutionWidth, TokenControl.ImageResolutionHeight);
BitmapHelper.AddFilter(overlay, _overlayTintColor, _overlayBlendFilter);
if (!string.IsNullOrWhiteSpace(_overlayInfo.Info.Mask))
{
BitmapHelper.ApplyMaskToImage(overlay, ImageLoader.LoadBitmapFromFile(_overlayInfo.Info.Mask, TokenControl.ImageResolutionWidth, TokenControl.ImageResolutionHeight));
}
BitmapHelper.AddLayerToImage(bitmap, overlay);
}
if (_borderInfo != null)
{
if (!string.IsNullOrWhiteSpace(_borderInfo.Info.Mask))
{
BitmapHelper.ApplyMaskToImage(bitmap, ImageLoader.LoadBitmapFromFile(_borderInfo.Info.Mask, TokenControl.ImageResolutionWidth, TokenControl.ImageResolutionHeight));
}
var border = ImageLoader.LoadBitmapFromFile(_borderInfo.Info.File, TokenControl.ImageResolutionWidth, TokenControl.ImageResolutionHeight);
BitmapHelper.AddFilter(border, _borderTintColor, _borderBlendFilter);
BitmapHelper.AddLayerToImage(bitmap, border); //Draw the border
}
if (TokenControl.ZoomControl_Text.Visibility == Visibility.Visible)
{
Bitmap text = TokenControl.RenderVisual(TokenControl.ZoomControl_Text);
BitmapHelper.AddLayerToImage(bitmap, text);
}
if (_vm.Autocrop)
{
bitmap = BitmapHelper.Autocrop(bitmap);
}
//Since we just spent time rendering the image, we might as well update the preview even if the user didn't ask for that specifically.
_preWindow?.SetImage(bitmap);
return(bitmap);
}
//TODO: This only works with local files. Add a way for it to support internet images.
public bool UpdatePreview(Layer.LayerType layerType)
{
var backdrop = new Bitmap(DataAccess.Properties.Resources.LayerPreviewImage, PreviewSize, PreviewSize);
// If no file has been specified, we dont have anything to show preview-wise
if (string.IsNullOrWhiteSpace(File))
{
Image = BitmapHelper.ConvertBitmapToImageSource(backdrop);
return(true);
}
Bitmap image; //Image in its actual size
var loadedImage = ImageLoader.TryLoadBitmapFromFile(File, out image);
if (!loadedImage)
{
return(false);
}
Bitmap imageSmall = BitmapHelper.ConvertToPixelFormat_32bppArgb(new Bitmap(image, PreviewSize, PreviewSize)); //Image scaled to the size of the preview.
Bitmap mask;
switch (layerType)
{
case Layer.LayerType.Border:
switch (MaskType)
{
case MaskTypes.None:
BitmapHelper.AddLayerToImage(backdrop, imageSmall);
break;
case MaskTypes.User:
//If the user hasn't specified a mask, dont attempt to load it. Just show image without a mask.
if (string.IsNullOrWhiteSpace(Mask))
{
BitmapHelper.AddLayerToImage(backdrop, imageSmall);
break;
}
var loadedMask = ImageLoader.TryLoadBitmapFromFile(Mask, out mask, PreviewSize, PreviewSize);
if (!loadedMask)
{
return(false);
}
BitmapHelper.ApplyMaskToImage(backdrop, mask); //For Border-layers we apply the mask to the backdrop
BitmapHelper.AddLayerToImage(backdrop, imageSmall);
break;
case MaskTypes.Autogenerated:
var generatedMask = BitmapHelper.GenerateMask(image); //Generate mask for full-size image, and then scale it down afterward so we have as much detail as possible
var generatedMaskSmall = BitmapHelper.ConvertToPixelFormat_32bppArgb(new Bitmap(generatedMask, PreviewSize, PreviewSize));
BitmapHelper.ApplyMaskToImage(backdrop, generatedMaskSmall);
BitmapHelper.AddLayerToImage(backdrop, imageSmall);
GeneratedMask = generatedMask;
break;
default:
throw new ArgumentOutOfRangeException();
}
break;
case Layer.LayerType.Overlay:
switch (MaskType)
{
case MaskTypes.None:
BitmapHelper.AddLayerToImage(backdrop, imageSmall);
break;
case MaskTypes.User:
//If the user hasn't specified a mask, dont attempt to load it. Just show image without a mask.
if (string.IsNullOrWhiteSpace(Mask))
{
BitmapHelper.AddLayerToImage(backdrop, imageSmall);
break;
}
var loadedMask = ImageLoader.TryLoadBitmapFromFile(Mask, out mask, PreviewSize, PreviewSize);
if (!loadedMask)
{
return(false);
}
BitmapHelper.ApplyMaskToImage(imageSmall, mask); //For Overlay-layers we apply the mask to the overlay
BitmapHelper.AddLayerToImage(backdrop, imageSmall);
break;
case MaskTypes.Autogenerated:
throw new InvalidEnumArgumentException("Overlays cant have autogenerated masks");
default:
throw new ArgumentOutOfRangeException();
}
break;
default:
throw new ArgumentOutOfRangeException(nameof(layerType), layerType, null);
}
Image = BitmapHelper.ConvertBitmapToImageSource(backdrop);
return(true);
}