/// <summary>
/// Creates a callback that can be used to filter layer visibility.
/// </summary>
/// <param name="queryString"></param>
/// <returns></returns>
private ShowLayerDelegate BuildLayerCallback(NameValueCollection queryString)
{
//Which layers do we show?
PsdCommandSearcher searcher = new PsdCommandSearcher(new PsdCommandBuilder(queryString));
return(delegate(int index, string name, bool visibleNow)
{
//Exclude Layer Group layers, Name "</Layer group>" string
if ("</Layer group>".Equals(name, StringComparison.OrdinalIgnoreCase))
{
return false;
}
if (name.IndexOf('<') > -1)
{
return false;
}
Nullable <bool> show = (searcher.getVisibility(name));
if (show == null)
{
return visibleNow;
}
else
{
return show.Value;
}
});
}
private ComposeLayerDelegate BuildModifyLayerCallback(NameValueCollection queryString)
{
PsdCommandSearcher searcher = new PsdCommandSearcher(new PsdCommandBuilder(queryString));
return(delegate(Graphics g, Bitmap b, object layer)
{
PhotoshopFile.Layer l = (PhotoshopFile.Layer)layer;
//See if this layer is supposed to be re-colored.
Nullable <Color> color = searcher.getColor(l.Name);
if (b == null && l.Rect.X == 0 && l.Rect.Y == 0 && l.Rect.Width == 0 && l.Rect.Height == 0)
{
return; //This layer has no size, it is probably a layer group.
}
//See if we need to re-draw this text layer
Nullable <bool> redraw = searcher.getRedraw(l.Name);
if (redraw != null && redraw == true)
{
//Verify it has text layer information:
bool hasText = false;
foreach (PhotoshopFile.Layer.AdjustmentLayerInfo lInfo in l.AdjustmentInfo)
{
if (lInfo.Key.Equals("TySh", StringComparison.Ordinal))
{
hasText = true; break;
}
}
if (hasText)
{
//Re-draw the text directly, ignoring the bitmap
var tlr = new TextLayerRenderer(l);
tlr.IgnoreMissingFonts = !isStrictMode();
tlr.Render(g, color, searcher.getReplacementText(l.Name));
return;
}
}
if (b == null && !isStrictMode())
{
return; //Skip drawing layers that have no bitmap data.
}
if (b == null)
{
throw new Exception("No bitmap data found for layer " + l.Name);
}
//Draw the existing bitmap
//Blend color into bitmap
if (color != null)
{
ColorBitmap(b, color.Value);
}
//Draw image
g.DrawImage(b, l.Rect);
});
}
private ComposeLayerDelegate BuildModifyLayerCallback(NameValueCollection queryString)
{
PsdCommandSearcher searcher = new PsdCommandSearcher(new PsdCommandBuilder(queryString));
return delegate(Graphics g, Bitmap b, object layer)
{
PhotoshopFile.Layer l = (PhotoshopFile.Layer)layer;
//See if this layer is supposed to be re-colored.
Nullable<Color> color = searcher.getColor(l.Name);
if (b == null && l.Rect.X == 0 && l.Rect.Y == 0 && l.Rect.Width == 0 && l.Rect.Height == 0)
{
return; //This layer has no size, it is probably a layer group.
}
//See if we need to re-draw this text layer
Nullable<bool> redraw = searcher.getRedraw(l.Name);
if (redraw != null && redraw == true)
{
//Verify it has text layer information:
bool hasText = false;
foreach (PhotoshopFile.Layer.AdjustmentLayerInfo lInfo in l.AdjustmentInfo)
if (lInfo.Key.Equals("TySh", StringComparison.Ordinal)){ hasText=true; break;}
if (hasText) {
//Re-draw the text directly, ignoring the bitmap
var tlr = new TextLayerRenderer(l);
tlr.IgnoreMissingFonts = !isStrictMode();
tlr.Render(g, color, searcher.getReplacementText(l.Name));
return;
}
}
if (b == null && !isStrictMode()) return; //Skip drawing layers that have no bitmap data.
if (b == null) throw new Exception("No bitmap data found for layer " + l.Name);
//Draw the existing bitmap
//Blend color into bitmap
if (color != null) ColorBitmap(b, color.Value);
//Draw image
g.DrawImage(b, l.Rect);
};
}
/// <summary>
/// Creates a callback that can be used to filter layer visibility.
/// </summary>
/// <param name="queryString"></param>
/// <returns></returns>
private ShowLayerDelegate BuildLayerCallback(NameValueCollection queryString)
{
//Which layers do we show?
PsdCommandSearcher searcher = new PsdCommandSearcher(new PsdCommandBuilder(queryString));
return delegate(int index, string name, bool visibleNow)
{
//Exclude Layer Group layers, Name "</Layer group>" string
if ("</Layer group>".Equals(name, StringComparison.OrdinalIgnoreCase)) return false;
if (name.IndexOf('<') > -1) return false;
Nullable<bool> show = (searcher.getVisibility(name));
if (show == null) return visibleNow;
else return show.Value;
};
}