''
'' This code is part of Document Solutions for Word demos.
'' Copyright (c) MESCIUS inc. All rights reserved.
''
Imports System.IO
Imports System.Drawing
Imports System.Collections
Imports System.Collections.Generic
Imports System.Linq
Imports 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 Function
End Class