ByteScout Premium Suite – VBScript – Use blend mode for drawing in pdf with pdf sdk

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ByteScout Premium Suite – VBScript – Use blend mode for drawing in pdf with pdf sdk

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ByteScout-Premium-Suite-VBScript-Use-blend-mode-for-drawing-in-pdf-with-pdf-sdk.pdf

How to use blend mode for drawing in pdf with pdf sdk in VBScript with ByteScout Premium Suite

Learning is essential in computer world and the tutorial below will demonstrate how to use blend mode for drawing in pdf with pdf sdk in VBScript

An easy to understand sample source code to learn how to use blend mode for drawing in pdf with pdf sdk in VBScript ByteScout Premium Suite: the set that includes 12 SDK products from ByteScout including tools and components for PDF, barcodes, spreadsheets, screen video recording. It can use blend mode for drawing in pdf with pdf sdk in VBScript.

The SDK samples given below describe how to quickly make your application do use blend mode for drawing in pdf with pdf sdk in VBScript with the help of ByteScout Premium Suite. Follow the instructions from scratch to work and copy the VBScript code. Use of ByteScout Premium Suite in VBScript is also described in the documentation included along with the product.

You can download free trial version of ByteScout Premium Suite from our website with this and other source code samples for VBScript.

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BlendMode.vbs

      ' This example demonstrates how to use blend modes - a way how 
' intersecting semi-transparent objects will blend on page canvas.

' Create Bytescout.PDF.Document object
Set pdfDocument = CreateObject("Bytescout.PDF.Document")
pdfDocument.RegistrationName = "demo"
pdfDocument.RegistrationKey = "demo"

Set comHelpers = pdfDocument.ComHelpers

' Add page
Set page1 = comHelpers.CreatePage(comHelpers.PAPERFORMAT_A4)
pdfDocument.Pages.Add(page1)

Set canvas = page1.Canvas

' Create transparent brushes
Set brushRed = comHelpers.CreateSolidBrush(comHelpers.CreateColorRGB(255, 0, 0))
brushRed.Opacity = 50
Set brushGreen = comHelpers.CreateSolidBrush(comHelpers.CreateColorRGB(0, 255, 0))
brushGreen.Opacity = 50
Set brushBlue = comHelpers.CreateSolidBrush(comHelpers.CreateColorRGB(0, 0, 255))
brushBlue.Opacity = 50

' Normal blending
canvas.BlendMode = comHelpers.BLENDMODE_NORMAL
canvas.DrawCircle_2 (brushRed), 100, 100, 50
canvas.DrawCircle_2 (brushGreen), 100, 150, 50
canvas.DrawCircle_2 (brushBlue), 150, 100, 50

' Darken blending
canvas.BlendMode = comHelpers.BLENDMODE_DARKEN
canvas.DrawCircle_2 (brushRed), 300, 100, 50
canvas.DrawCircle_2 (brushGreen), 300, 150, 50
canvas.DrawCircle_2 (brushBlue), 350, 100, 50

' Lighten blending
canvas.BlendMode = comHelpers.BLENDMODE_LIGHTEN
canvas.DrawCircle_2 (brushRed), 100, 300, 50
canvas.DrawCircle_2 (brushGreen), 100, 350, 50
canvas.DrawCircle_2 (brushBlue), 150, 300, 50

' Color burn blending
canvas.BlendMode = comHelpers.BLENDMODE_COLORBURN
canvas.DrawCircle_2 (brushRed), 300, 300, 50
canvas.DrawCircle_2 (brushGreen), 300, 350, 50
canvas.DrawCircle_2 (brushBlue), 350, 300, 50

' Save document to file
pdfDocument.Save("result.pdf")

' Open document in default PDF viewer app
Set shell = CreateObject("WScript.Shell")
shell.Run "result.pdf", 1, false