public static string writePadding(BoxPadding p)
{
if (!double.IsNaN(p.All))
{
return(p.All.ToString(NumberFormatInfo.InvariantInfo)); //Easy
}
return("(" + p.Left.ToString(NumberFormatInfo.InvariantInfo) + "," + p.Top.ToString(NumberFormatInfo.InvariantInfo) + "," +
p.Right.ToString(NumberFormatInfo.InvariantInfo) + "," + p.Bottom.ToString(NumberFormatInfo.InvariantInfo) + ")");
}
/// <summary>
/// Builds an FIBitmap from the stream and job.Settings
/// </summary>
/// <param name="original"></param>
/// <param name="supportsTransparency"></param>
/// <param name="mayUnloadOriginal"></param>
/// <param name="job"></param>
/// <returns></returns>
protected FIBITMAP buildFiBitmap(ref FIBITMAP original, ImageJob job, bool supportsTransparency, bool mayUnloadOriginal)
{
ResizeSettings settings = job.Settings;
if (original.IsNull)
{
return(FIBITMAP.Zero);
}
FIBITMAP final = FIBITMAP.Zero;
//Find the image size
Size orig = new Size((int)FreeImage.GetWidth(original), (int)FreeImage.GetHeight(original));
//Calculate the new size of the image and the canvas.
ImageState state = new ImageState(settings, orig, true);
state.Job = job;
c.CurrentImageBuilder.Process(state);
RectangleF imageDest = PolygonMath.GetBoundingBox(state.layout["image"]);
if (imageDest.Width != orig.Width || imageDest.Height != orig.Height)
{
//Rescale
bool temp;
final = FreeImage.Rescale(original, (int)imageDest.Width, (int)imageDest.Height, FreeImageScalingPlugin.ParseResizeAlgorithm(settings["fi.scale"], FREE_IMAGE_FILTER.FILTER_BOX, out temp));
if (mayUnloadOriginal)
{
FreeImage.UnloadEx(ref original);
}
if (final.IsNull)
{
return(FIBITMAP.Zero);
}
}
else
{
final = original;
}
RGBQUAD bgcolor = default(RGBQUAD);
bgcolor.Color = settings.BackgroundColor;
if (settings.BackgroundColor == Color.Transparent && !supportsTransparency)
{
bgcolor.Color = Color.White;
}
//If we need to leave padding, do so.
BoxPadding outsideImage = new BoxPadding(imageDest.Left, imageDest.Top, state.destSize.Width - imageDest.Right, state.destSize.Height - imageDest.Bottom);
if (outsideImage.All != 0)
{
var old = final;
//Extend canvas
final = FreeImage.EnlargeCanvas <RGBQUAD>(old,
(int)outsideImage.Left, (int)outsideImage.Top, (int)outsideImage.Right, (int)outsideImage.Bottom,
bgcolor.Color != Color.Transparent ? new Nullable <RGBQUAD>(bgcolor) : null,
FREE_IMAGE_COLOR_OPTIONS.FICO_RGBA);
if (old == original)
{
if (mayUnloadOriginal)
{
FreeImage.UnloadEx(ref original);
old = original;
}
}
else
{
FreeImage.UnloadEx(ref old); //'old' has the original value of 'final', which we allocated.
}
if (final.IsNull)
{
return(FIBITMAP.Zero);
}
}
if (!final.IsNull)
{
job.ResultInfo["final.width"] = (int)FreeImage.GetWidth(final);
job.ResultInfo["final.height"] = (int)FreeImage.GetHeight(final);
}
return(final);
}