/// <summary>
/// Enumerate through layoutEnumerator's layout entity collection front-to-back, in a DFS manner, and in a "Visual" order.
/// </summary>
private static void TraverseLayoutForward(LayoutEnumerator layoutEnumerator, int depth)
{
do
{
PrintCurrentEntity(layoutEnumerator, depth);
if (layoutEnumerator.MoveFirstChild())
{
TraverseLayoutForward(layoutEnumerator, depth + 1);
layoutEnumerator.MoveParent();
}
} while (layoutEnumerator.MoveNext());
}
/// <summary>
/// Enumerates forward through each layout element in the document and prints out details of each element.
/// </summary>
private static void DisplayLayoutElements(LayoutEnumerator it, string padding)
{
do
{
DisplayEntityInfo(it, padding);
if (it.MoveFirstChild())
{
// Recurse into this child element.
DisplayLayoutElements(it, AddPadding(padding));
it.MoveParent();
}
} while (it.MoveNext());
}
/// <summary>
/// Enumerates forward through each layout element in the document and prints out details of each element.
/// </summary>
private static void DisplayLayoutElements(LayoutEnumerator layoutEnumerator, string padding)
{
do
{
DisplayEntityInfo(layoutEnumerator, padding);
if (layoutEnumerator.MoveFirstChild())
{
// Recurse into this child element.
DisplayLayoutElements(layoutEnumerator, AddPadding(padding));
layoutEnumerator.MoveParent();
}
} while (layoutEnumerator.MoveNext());
}
public static void Run(Document doc, LayoutEnumerator layoutEnumerator, string folderPath)
{
// Make sure the enumerator is at the beginning of the document.
layoutEnumerator.Reset();
for (int pageIndex = 0; pageIndex < doc.PageCount; pageIndex++)
{
// Use the document class to find information about the current page.
PageInfo pageInfo = doc.GetPageInfo(pageIndex);
const float resolution = 150.0f;
Size pageSize = pageInfo.GetSizeInPixels(1.0f, resolution);
using (Bitmap img = new Bitmap(pageSize.Width, pageSize.Height))
{
img.SetResolution(resolution, resolution);
using (Graphics g = Graphics.FromImage(img))
{
// Make the background white.
g.Clear(Color.White);
// Render the page to the graphics.
doc.RenderToScale(pageIndex, g, 0.0f, 0.0f, 1.0f);
// Add an outline around each element on the page using the graphics object.
AddBoundingBoxToElementsOnPage(layoutEnumerator, g);
// Move the enumerator to the next page if there is one.
layoutEnumerator.MoveNext();
img.Save(folderPath + $"EnumerateLayoutElements.Page_{pageIndex + 1}.png");
}
}
}
}
public static void Run(Document doc, LayoutEnumerator it, string folderPath)
{
// Make sure the enumerator is at the beginning of the document.
it.Reset();
for (int pageIndex = 0; pageIndex < doc.PageCount; pageIndex++)
{
// Use the document class to find information about the current page.
PageInfo pageInfo = doc.GetPageInfo(pageIndex);
const float resolution = 150.0f;
Size pageSize = pageInfo.GetSizeInPixels(1.0f, resolution);
using (Bitmap img = new Bitmap(pageSize.Width, pageSize.Height))
{
img.SetResolution(resolution, resolution);
using (Graphics g = Graphics.FromImage(img))
{
// Make the background white.
g.Clear(Color.White);
// Render the page to the graphics.
doc.RenderToScale(pageIndex, g, 0.0f, 0.0f, 1.0f);
// Add an outline around each element on the page using the graphics object.
AddBoundingBoxToElementsOnPage(it, g);
// Move the enumerator to the next page if there is one.
it.MoveNext();
img.Save(folderPath + string.Format("TestFile Page {0} Out.png", pageIndex + 1));
}
}
}
}
