'''' This code is part of Document Solutions for Word demos.'' Copyright (c) MESCIUS inc. All rights reserved.''Imports System.IOImports System.DrawingImports System.CollectionsImports System.Collections.GenericImports System.LinqImports GrapeCity.Documents.Word
'' This sample demonstrates the various fill formats'' that can be used with shapes.Public Class ShapeFillFormats    Function CreateDocx() As GcWordDocument        Dim gradColors = New Color() {                Color.Red,                Color.Orange,                Color.Yellow,                Color.Green            }
        Dim patts As PatternFillType() = [Enum].GetValues(GetType(PatternFillType))
        Dim doc = New GcWordDocument()        Dim shapes = AddGeometryTypes(doc, New SizeF(100, 120), patts.Length + 12, True, True)
        For Each s In shapes            s.Size.Width.Value *= 2            s.Size.Height.Value *= 2        Next
        doc.Body.Paragraphs.Insert("Fill formats", doc.Styles(BuiltInStyleId.Title), InsertLocation.Start)
        Dim sIdx = 0
        Dim shape = shapes(sIdx)        sIdx += 1
        shape.Fill.Type = FillType.Gradient        shape.Fill.GradientFill.ApplyLinearDirection(GradientLinearDirection.BottomLeftToTopRight)        shape.Fill.GradientFill.Stops(0).Color.RGB = gradColors(0)        shape.Fill.GradientFill.Stops(1).Color.RGB = gradColors(3)        shape.AddTextFrame("Linear grad")
        shape = shapes(sIdx)        sIdx += 1        shape.Fill.Type = FillType.Gradient        shape.Fill.GradientFill.ApplyLinearDirection(GradientLinearDirection.BottomRightToTopLeft)        shape.Fill.GradientFill.Stops(0).Color.RGB = gradColors(0)        shape.Fill.GradientFill.Stops(1).Position = 30        shape.Fill.GradientFill.Stops(1).Color.RGB = gradColors(1)        shape.Fill.GradientFill.Stops.Add(gradColors(2), 60)        shape.Fill.GradientFill.Stops.Add(gradColors(3), 90)        shape.AddTextFrame("Linear grad")
        shape = shapes(sIdx)        sIdx += 1        shape.Fill.Type = FillType.Gradient        shape.Fill.GradientFill.Type = GradientType.Circle '' not really needed if using ApplyPathDirection() method        shape.Fill.GradientFill.ApplyCircleDirection(GradientPathDirection.FromBottomRight)        shape.Fill.GradientFill.Stops(0).Color.RGB = gradColors(0)        shape.Fill.GradientFill.Stops(1).Position = 30        shape.Fill.GradientFill.Stops(1).Color.RGB = gradColors(1)        shape.Fill.GradientFill.Stops.Add(gradColors(2), 60)        shape.Fill.GradientFill.Stops.Add(gradColors(3), 90)        shape.AddTextFrame("Circle grad")
        shape = shapes(sIdx)        sIdx += 1        shape.Fill.Type = FillType.Gradient        shape.Fill.GradientFill.ApplyCircleDirection(GradientPathDirection.Center)        shape.Fill.GradientFill.Stops(0).Color.RGB = gradColors(0)        shape.Fill.GradientFill.Stops(1).Color.RGB = gradColors(3)        shape.AddTextFrame("Circle grad")
        shape = shapes(sIdx)        sIdx += 1        shape.Fill.Type = FillType.Gradient        shape.Fill.GradientFill.ApplyRectangleDirection(GradientPathDirection.Center)        shape.Fill.GradientFill.Stops(0).Color.RGB = gradColors(0)        shape.Fill.GradientFill.Stops(1).Position = 30        shape.Fill.GradientFill.Stops(1).Color.RGB = gradColors(1)        shape.Fill.GradientFill.Stops.Add(gradColors(2), 60)        shape.Fill.GradientFill.Stops.Add(gradColors(3), 90)        shape.AddTextFrame("Rectangle grad")
        shape = shapes(sIdx)        sIdx += 1        shape.Fill.Type = FillType.Gradient        shape.Fill.GradientFill.ApplyRectangleDirection(GradientPathDirection.FromTopRight)        shape.Fill.GradientFill.Stops(0).Color.RGB = gradColors(0)        shape.Fill.GradientFill.Stops(1).Color.RGB = gradColors(3)        shape.AddTextFrame("Rectangle grad")
        '' Image fills:        shape = shapes(sIdx)        sIdx += 1        shape.Fill.Type = FillType.Image        Dim bytes = File.ReadAllBytes(Path.Combine("Resources", "ImagesBis", "butterfly.jpg"))        shape.Fill.ImageFill.SetImage(bytes, "image/jpeg")        shape = shapes(sIdx)        sIdx += 1        shape.Fill.Type = FillType.Image        shape.Fill.ImageFill.FillType = ImageFillType.Tile        ''use tile image as flipped both vertical and horizontal        shape.Fill.ImageFill.Tile.Flip = TileFlipMode.HorizontalAndVertical        ''scale image down horizontally to 30% and vertically to 25%        shape.Fill.ImageFill.Tile.HorizontalScale = 30        shape.Fill.ImageFill.Tile.VerticalScale = 25        bytes = File.ReadAllBytes(Path.Combine("Resources", "ImagesBis", "gcd-hex-logo-80x80.png"))        shape.Fill.ImageFill.SetImage(bytes, "image/png")
        Dim r = shape.GetRange().Runs.Insert($"{vbCrLf}{vbCrLf}Pattern fills:{vbCrLf}", doc.Styles(BuiltInStyleId.Strong), InsertLocation.After)        r.Font.Size *= 3
        '' Pattern fills:        For Each p In patts            shape = shapes(sIdx)            sIdx += 1            shape.Size.Width.Value /= 3            shape.Size.Height.Value /= 3            shape.Fill.Type = FillType.Pattern            ''type represents how it will look            shape.Fill.PatternFill.Type = CType(p, PatternFillType)            shape.Fill.PatternFill.ForeColor.RGB = gradColors(0)            shape.Fill.PatternFill.BackColor.RGB = gradColors(gradColors.Length - 1)        Next

        If (sIdx < shapes.Count) Then            shapes.Skip(sIdx).ToList().ForEach(Sub(s_) s_.Delete())        End If
        Return doc    End Function
    ''' <summary>    ''' Adds a paragraph with a single empty run, and adds a shape for each available GeometryType.    ''' The fill and line colors of the shapes are varied.    ''' </summary>    ''' <param name="doc">The target document.</param>    ''' <param name="size">The size of shapes to create.</param>    ''' <param name="count">The maximum number of shapes to create (-1 for no limit).</param>    ''' <param name="skipUnfillable">Add only shapes that support fills.</param>    ''' <param name="noNames">Do not add geometry names as shape text frames.</param>    ''' <returns>The list of shapes added to the document.</returns>    Private Shared Function AddGeometryTypes(doc As GcWordDocument, size As SizeF, Optional count As Integer = -1, Optional skipUnfillable As Boolean = False, Optional noNames As Boolean = False) As List(Of Shape)
        '' Line and fill colors:        Dim lines = New Color() {Color.Blue, Color.SlateBlue, Color.Navy, Color.Indigo, Color.BlueViolet, Color.CadetBlue}        Dim line = 0        Dim fills = New Color() {Color.MistyRose, Color.BurlyWood, Color.Coral, Color.Goldenrod, Color.Orchid, Color.Orange, Color.PaleVioletRed}        Dim fill = 0
        '' The supported geometry types:        Dim geoms As GeometryType() = [Enum].GetValues(GetType(GeometryType))
        '' Add a paragraph and a run where the shapes will live:        doc.Body.Paragraphs.Add("")
        Dim shapes = New List(Of Shape)        For Each g In geoms            '' Line geometries do not support fills:            If skipUnfillable AndAlso g.IsLineGeometry() Then                Continue For            End If            If count = 0 Then                Exit For            End If            count -= 1
            Dim w = size.Width, h = size.Height            Dim shape = doc.Body.Runs.Last.GetRange().Shapes.Add(w, h, g)            If Not g.IsLineGeometry() Then                shape.Fill.Type = FillType.Solid                If fill < fills.Length - 1 Then                    fill += 1                Else                    fill = 0                End If                shape.Fill.SolidFill.RGB = fills(fill)            End If            shape.Line.Width = 3            If line < lines.Length - 1 Then                line += 1            Else                line = 0            End If            shape.Line.Fill.SolidFill.RGB = lines(line)            If Not noNames AndAlso g.TextFrameSupported() Then                shape.AddTextFrame(g.ToString())            End If            shape.AlternativeText = $"This is shape {g}"            shape.Size.EffectExtent.AllEdges = 8            shapes.Add(shape)        Next        Return shapes    End FunctionEnd Class