private static Image RenderOperationWithBrowser(TemplateObject to, string htmlToRender, Size size)
{
using (WebBrowser w = new WebBrowser())
{
w.AllowNavigation = true;
w.ScrollBarsEnabled = false;
w.ScriptErrorsSuppressed = true;
w.DocumentText = htmlToRender;
while (w.ReadyState != WebBrowserReadyState.Complete)
{
// Pump the message queue for the web browser.
Application.DoEvents();
}
// Set the size of the WebBrowser control
int suggestedWidth = w.Document.Body.ScrollRectangle.Width;
int suggestedHeight = w.Document.Body.ScrollRectangle.Height;
int realWidth = (suggestedWidth < size.Width) ? suggestedWidth : size.Width;
int realHeight = (suggestedHeight < size.Height) ? suggestedHeight : size.Height;
// If any of the Size-properties is set to zero, use the full size part.
w.Width = (realWidth > 0) ? realWidth : suggestedWidth;
w.Height = (realHeight > 0) ? realHeight : suggestedHeight;
// Get a Bitmap representation of the webpage as it's rendered in the WebBrowser control
using (Bitmap bitmap = new Bitmap(w.Width, w.Height))
{
w.DrawToBitmap(bitmap, new Rectangle(0, 0, w.Width, w.Height));
return((Image)bitmap.Clone());
}
}
}
/// <summary>
/// Renders the given operation using the provided template file and restricts the output to the given size.
/// </summary>
/// <param name="source">The source location to start. This is usually the fire department site.</param>
/// <param name="operation">The operation to render.</param>
/// <param name="templateFile">The HTML template file to use for layouting.</param>
/// <param name="size">The maximum size of the created image.</param>
/// <returns></returns>
internal static Image RenderOperation(PropertyLocation source, Operation operation, string templateFile, Size size)
{
TemplateObject to = new TemplateObject();
to.Operation = operation;
to.RouteImageFilePath = RoutePlanHelper.GetRouteAsStoredFile(source, operation.Einsatzort);
Image image = null;
try
{
string html = CreateHtml(templateFile, to);
image = RenderOperationWithBrowser(to, html, size);
}
catch (Exception ex)
{
Logger.Instance.LogException(typeof(TemplateRenderer), ex);
}
finally
{
TryDeleteRouteImageFile(to);
}
return(image);
}
private static Image RenderOperationWithBrowser(TemplateObject to, string htmlToRender, Size size)
{
using (WebBrowser w = new WebBrowser())
{
w.AllowNavigation = true;
w.ScrollBarsEnabled = false;
w.ScriptErrorsSuppressed = true;
w.DocumentText = htmlToRender;
while (w.ReadyState != WebBrowserReadyState.Complete)
{
// Pump the message queue for the web browser.
Application.DoEvents();
}
// Set the size of the WebBrowser control
int suggestedWidth = w.Document.Body.ScrollRectangle.Width;
int suggestedHeight = w.Document.Body.ScrollRectangle.Height;
int realWidth = (suggestedWidth < size.Width) ? suggestedWidth : size.Width;
int realHeight = (suggestedHeight < size.Height) ? suggestedHeight : size.Height;
// If any of the Size-properties is set to zero, use the full size part.
w.Width = (realWidth > 0) ? realWidth : suggestedWidth;
w.Height = (realHeight > 0) ? realHeight : suggestedHeight;
// Get a Bitmap representation of the webpage as it's rendered in the WebBrowser control
using (Bitmap bitmap = new Bitmap(w.Width, w.Height))
{
w.DrawToBitmap(bitmap, new Rectangle(0, 0, w.Width, w.Height));
return (Image)bitmap.Clone();
}
}
}
private static string CreateHtml(string templateFile, TemplateObject to)
{
StringBuilder sb = new StringBuilder();
foreach (string line in File.ReadAllLines(templateFile))
{
sb.AppendLine(ObjectFormatter.ToString(to, line));
}
return(sb.ToString());
}
private static void TryDeleteRouteImageFile(TemplateObject to)
{
try
{
File.Delete(to.RouteImageFilePath);
}
catch (Exception ex)
{
Logger.Instance.LogException(typeof(TemplateRenderer), ex);
}
}
private static string CreateHtml(string templateFile, TemplateObject to)
{
StringBuilder sb = new StringBuilder();
foreach (string line in File.ReadAllLines(templateFile))
{
if (!string.IsNullOrWhiteSpace(line))
{
sb.AppendLine(ObjectFormatter.ToString(to, line));
}
}
return sb.ToString();
}
/// <summary>
/// Renders the given operation using the provided template file and restricts the output to the given size.
/// </summary>
/// <param name="source">The source location to start. This is usually the fire department site.</param>
/// <param name="operation">The operation to render.</param>
/// <param name="templateFile">The HTML template file to use for layouting.</param>
/// <param name="size">The maximum size of the created image.</param>
/// <returns></returns>
internal static Image RenderOperation(PropertyLocation source, Operation operation, string templateFile, Size size)
{
TemplateObject to = new TemplateObject();
to.Operation = operation;
to.RouteImageFilePath = RoutePlanHelper.GetRouteAsStoredFile(source, operation.Einsatzort);
// Create HTML to render
StringBuilder sb = new StringBuilder();
foreach (string line in File.ReadAllLines(templateFile))
{
sb.AppendLine(ObjectFormatter.ToString(to, line));
}
Image image = RenderOperationWithBrowser(to, sb.ToString(), size);
TryDeleteRouteImageFile(to);
return image;
}
/// <summary>
/// Renders the given operation using the provided template file and restricts the output to the given size.
/// </summary>
/// <param name="source">The source location to start. This is usually the fire department site.</param>
/// <param name="operation">The operation to render.</param>
/// <param name="templateFile">The HTML template file to use for layouting.</param>
/// <param name="size">The maximum size of the created image.</param>
/// <returns></returns>
internal static Image RenderOperation(PropertyLocation source, Operation operation, string templateFile, Size size)
{
TemplateObject to = new TemplateObject();
to.Operation = operation;
to.RouteImageFilePath = RoutePlanHelper.GetRouteAsStoredFile(source, operation.Einsatzort);
// Create HTML to render
StringBuilder sb = new StringBuilder();
foreach (string line in File.ReadAllLines(templateFile))
{
sb.AppendLine(ObjectFormatter.ToString(to, line));
}
Image image = RenderOperationWithBrowser(to, sb.ToString(), size);
TryDeleteRouteImageFile(to);
return(image);
}
/// <summary>
/// Renders the given operation using the provided template file and restricts the output to the given size.
/// </summary>
/// <param name="source">The source location to start. This is usually the fire department site.</param>
/// <param name="operation">The operation to render.</param>
/// <param name="templateFile">The HTML template file to use for layouting.</param>
/// <param name="size">The maximum size of the created image.</param>
/// <returns></returns>
internal static Image RenderOperation(PropertyLocation source, Operation operation, string templateFile, Size size)
{
TemplateObject to = new TemplateObject();
to.Operation = operation;
to.RouteImageFilePath = RoutePlanHelper.GetRouteAsStoredFile(source, operation.Einsatzort);
Image image = null;
try
{
string html = CreateHtml(templateFile, to);
image = RenderOperationWithBrowser(to, html, size);
}
catch (Exception ex)
{
Logger.Instance.LogException(typeof(TemplateRenderer), ex);
}
finally
{
TryDeleteRouteImageFile(to);
}
return image;
}
private static void TryDeleteRouteImageFile(TemplateObject to)
{
try
{
if (File.Exists(to.RouteImageFilePath))
{
File.Delete(to.RouteImageFilePath);
}
}
catch (Exception ex)
{
Logger.Instance.LogException(typeof(TemplateRenderer), ex);
}
}
