// ExStart:RenderShapeToGraphics
public static void RenderShapeToGraphics(string dataDir, Shape shape)
{
ShapeRenderer r = shape.GetShapeRenderer();
// Find the size that the shape will be rendered to at the specified scale and resolution.
Size shapeSizeInPixels = r.GetSizeInPixels(1.0f, 96.0f);
// Rotating the shape may result in clipping as the image canvas is too small. Find the longest side
// And make sure that the graphics canvas is large enough to compensate for this.
int maxSide = System.Math.Max(shapeSizeInPixels.Width, shapeSizeInPixels.Height);
using (Bitmap image = new Bitmap((int)(maxSide * 1.25), (int)(maxSide * 1.25)))
{
// Rendering to a graphics object means we can specify settings and transformations to be applied to
// The shape that is rendered. In our case we will rotate the rendered shape.
using (Graphics gr = Graphics.FromImage(image))
{
// Clear the shape with the background color of the document.
gr.Clear(shape.Document.PageColor);
// Center the rotation using translation method below
gr.TranslateTransform((float)image.Width / 8, (float)image.Height / 2);
// Rotate the image by 45 degrees.
gr.RotateTransform(45);
// Undo the translation.
gr.TranslateTransform(-(float)image.Width / 8, -(float)image.Height / 2);
// Render the shape onto the graphics object.
r.RenderToSize(gr, 0, 0, shapeSizeInPixels.Width, shapeSizeInPixels.Height);
}
dataDir = dataDir + "TestFile.RenderToGraphics_out.png";
image.Save(dataDir, ImageFormat.Png);
Console.WriteLine("\nShape rendered to graphics successfully.\nFile saved at " + dataDir);
}
}
public static void RenderShapeToGraphics(string dataDir, Shape shape)
{
//ExStart
//ExFor:ShapeRenderer
//ExFor:ShapeBase.GetShapeRenderer
//ExFor:ShapeRenderer.GetSizeInPixels
//ExFor:ShapeRenderer.RenderToSize
//ExId:RenderShapeToGraphics
//ExSummary:Shows how to render a shape independent of the document to a .NET Graphics object and apply rotation to the rendered image.
// The shape renderer is retrieved using this method. This is made into a separate object from the shape as it internally
// caches the rendered shape.
ShapeRenderer r = shape.GetShapeRenderer();
// Find the size that the shape will be rendered to at the specified scale and resolution.
Size shapeSizeInPixels = r.GetSizeInPixels(1.0f, 96.0f);
// Rotating the shape may result in clipping as the image canvas is too small. Find the longest side
// and make sure that the graphics canvas is large enough to compensate for this.
int maxSide = Math.Max(shapeSizeInPixels.Width, shapeSizeInPixels.Height);
using (Bitmap image = new Bitmap((int)(maxSide * 1.25), (int)(maxSide * 1.25)))
{
// Rendering to a graphics object means we can specify settings and transformations to be applied to
// the shape that is rendered. In our case we will rotate the rendered shape.
using (Graphics gr = Graphics.FromImage(image))
{
// Clear the shape with the background color of the document.
gr.Clear(Color.White);
// Center the rotation using translation method below
gr.TranslateTransform((float)image.Width / 8, (float)image.Height / 2);
// Rotate the image by 45 degrees.
gr.RotateTransform(45);
// Undo the translation.
gr.TranslateTransform(-(float)image.Width / 8, -(float)image.Height / 2);
// Render the shape onto the graphics object.
r.RenderToSize(gr, 0, 0, shapeSizeInPixels.Width, shapeSizeInPixels.Height);
}
image.Save(dataDir + "TestFile.RenderToGraphics.png", ImageFormat.Png);
}
//ExEnd
}
// ExStart:RenderShapeToGraphics
public static string RenderShapeToGraphics(string dataDir, Shape shape)
{
ShapeRenderer r = shape.GetShapeRenderer();
// Find the size that the shape will be rendered to at the specified scale and resolution.
Size shapeSizeInPixels = r.GetSizeInPixels(1.0f, 96.0f);
// Rotating the shape may result in clipping as the image canvas is too small. Find the longest side
// And make sure that the graphics canvas is large enough to compensate for this.
int maxSide = System.Math.Max(shapeSizeInPixels.Width, shapeSizeInPixels.Height);
using (Android.Graphics.Bitmap bitmap = Android.Graphics.Bitmap.CreateBitmap((int)(maxSide * 1.25),
(int)(maxSide * 1.25),
Android.Graphics.Bitmap.Config.Argb8888))
{
// Rendering to a graphics object means we can specify settings and transformations to be applied to
// The shape that is rendered. In our case we will rotate the rendered shape.
using (Android.Graphics.Canvas gr = new Android.Graphics.Canvas(bitmap))
{
// Clear the shape with the background color of the document.
gr.DrawColor(new Android.Graphics.Color(shape.Document.PageColor.ToArgb()));
// Center the rotation using translation method below
gr.Translate((float)bitmap.Width / 8, (float)bitmap.Height / 2);
// Rotate the image by 45 degrees.
gr.Rotate(45);
// Undo the translation.
gr.Translate(-(float)bitmap.Width / 8, -(float)bitmap.Height / 2);
// Render the shape onto the graphics object.
r.RenderToSize(gr, 0, 0, shapeSizeInPixels.Width, shapeSizeInPixels.Height);
}
// Save output to file.
using (System.IO.FileStream fs = System.IO.File.Create(dataDir + "/RenderToSize_Out.png"))
{
bitmap.Compress(Android.Graphics.Bitmap.CompressFormat.Png, 100, fs);
}
}
return("\nShape rendered to graphics successfully.\nFile saved at " + dataDir);
}
//ExStart:RenderShapeToGraphics
public void RenderShapeToGraphics()
{
Document doc = new Document(MyDir + "Rendering.docx");
Shape shape = (Shape)doc.GetChild(NodeType.Shape, 0, true);
ShapeRenderer render = shape.GetShapeRenderer();
// Find the size that the shape will be rendered to at the specified scale and resolution.
Size shapeSizeInPixels = render.GetSizeInPixels(1.0f, 96.0f);
// Rotating the shape may result in clipping as the image canvas is too small. Find the longest side
// and make sure that the graphics canvas is large enough to compensate for this.
int maxSide = System.Math.Max(shapeSizeInPixels.Width, shapeSizeInPixels.Height);
using (Bitmap image = new Bitmap((int)(maxSide * 1.25), (int)(maxSide * 1.25)))
{
// Rendering to a graphics object means we can specify settings and transformations to be applied to the rendered shape.
// In our case we will rotate the rendered shape.
using (Graphics graphics = Graphics.FromImage(image))
{
// Clear the shape with the background color of the document.
graphics.Clear(shape.Document.PageColor);
// Center the rotation using the translation method below.
graphics.TranslateTransform((float)image.Width / 8, (float)image.Height / 2);
// Rotate the image by 45 degrees.
graphics.RotateTransform(45);
// Undo the translation.
graphics.TranslateTransform(-(float)image.Width / 8, -(float)image.Height / 2);
// Render the shape onto the graphics object.
render.RenderToSize(graphics, 0, 0, shapeSizeInPixels.Width, shapeSizeInPixels.Height);
}
image.Save(ArtifactsDir + "RenderShape.RenderShapeToGraphics.png", ImageFormat.Png);
}
}