public Bitmap GetThumbnail(int width, int height, Color background, Color border, int borderWidth)
{
lock (this)
{
Bitmap thumb = new Bitmap(width, height);
Graphics g = Graphics.FromImage(thumb);
g.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality;
Renderer.GdiRenderer r = new Renderer.GdiRenderer(g);
g.Clear(background);
float isRatio = Format.Width / Format.Height;
float shouldRatio = width / (float)height;
float scale = 1;
SizeF ps = Format.GetPixelSize();
if (isRatio > shouldRatio)
{
float w = ps.Width;
scale = width / w;
}
else
{
float h = ps.Height;
scale = height / h;
}
g.TranslateTransform((width - ps.Width * scale) / 2, (height - ps.Height * scale) / 2);
g.ScaleTransform(scale, scale);
if (this.BackgroundImage != null)
{
r.DrawImage(BackgroundImage,
new RectangleF(new PointF(0, 0), Format.GetPixelSize()));
}
Color bakCol = this.BackgroundColor1;
this.BackgroundColor1 = Color.Transparent;
this.Draw(r);
this.BackgroundColor1 = bakCol;
g.ResetTransform();
using (Pen p = new Pen(border, borderWidth))
{
g.DrawRectangle(p, new Rectangle(borderWidth / 2, borderWidth / 2,
width - borderWidth, height - borderWidth));
}
return(thumb);
}
}
static void mImage(HttpServer server, RequestHandler handler)
{
bool currentVersion = false;
if (handler.Head.Cookies != null && handler.Head.Cookies.ContainsKey("version"))
{
if (handler.Head.Cookies["version"] == pageInfo(ink.Page))
{
currentVersion = true;
}
}
if (currentVersion)
{
handler.Response = new HttpResponseNoAnswer(server);
}
else
{
SizeF size = ink.Page.Format.GetPixelSize();
using (Bitmap bmp = new Bitmap((int)size.Width, (int)size.Height))
{
using (Graphics g = Graphics.FromImage(bmp))
{
g.SmoothingMode = System.Drawing.Drawing2D.SmoothingMode.HighQuality;
g.Clear(Color.White);
Renderer.GdiRenderer r = g.GetRenderer();
if (ink.Page.BackgroundImage != null)
{
g.DrawImage(ink.Page.BackgroundImage.GdiBitmap, new RectangleF(new PointF(0, 0), ink.Page.Format.GetPixelSize()));
}
ink.Page.Draw(r);
}
handler.Response = new HttpResponsePNG(server, bmp);
handler.Response.Head.Cookies.Add("version", pageInfo(ink.Page));
handler.Response.Head.Cookies.Add("w", "" + bmp.Width);
handler.Response.Head.Cookies.Add("h", "" + bmp.Height);
}
}
}
