ByteScout PDF SDK – VBScript and VB6 – Use Blend Mode for Drawing in PDF

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ByteScout PDF SDK – VBScript and VB6 – Use Blend Mode for Drawing in PDF

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ByteScout-PDF-SDK-VBScript-and-VB6-Use-Blend-Mode-for-Drawing-in-PDF.pdf

How to use blend mode for drawing in PDF in VBScript and VB6 using ByteScout PDF SDK

This tutorial will show how to use blend mode for drawing in PDF in VBScript and VB6

These sample source codes on this page below are demonstrating how to use blend mode for drawing in PDF in VBScript and VB6. What is ByteScout PDF SDK? It is the library for pdf documents generation, modification and updates. Can also generate and fill PDF forms. Provides support for text (fonts, style, size, font family), layers, pdf form fields, vector and raster drawings. It can help you to use blend mode for drawing in PDF in your VBScript and VB6 application.

VBScript and VB6 code samples for VBScript and VB6 developers help to speed up coding of your application when using ByteScout PDF SDK. In your VBScript and VB6 project or application you may simply copy & paste the code and then run your app! Further enhancement of the code will make it more vigorous.

Free trial version of ByteScout PDF SDK is available for download from our website. Get it to try other source code samples for VBScript and VB6.

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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