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Set Text Transparency in PowerPoint Using Java

Jane
Sharing code to help developers deal with their files in Java applications.
・2 min read

This article will demonstrate how to set text transparency in PowerPoint using Free Spire.Presentation for Java.

Import jar dependency (2 Methods)
● Download the free library and unzip it. Then add the Spire.Presentation.jar file to your project as dependency.

● You can also add the jar dependency to your maven project by adding the following configurations to the pom.xml.

<repositories>
    <repository>
        <id>com.e-iceblue</id>
        <name>e-iceblue</name>
        <url>http://repo.e-iceblue.com/nexus/content/groups/public/</url>
    </repository>
</repositories>
<dependencies>
    <dependency>
        <groupId>e-iceblue</groupId>
        <artifactId>spire.presentation.free</artifactId>
        <version>3.9.0</version>
    </dependency>
</dependencies>
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Sample Code

import com.spire.presentation.*;
import com.spire.presentation.drawing.FillFormatType;

import java.awt.*;
import java.awt.geom.Rectangle2D;

public class TextTransparency {

    public static void main(String[] args) throws Exception {

        //Create a PowerPoint document
        Presentation presentation = new Presentation();
        presentation.getSlideSize().setType(SlideSizeType.SCREEN_16_X_9);

        //Add a shape
        IAutoShape textbox = presentation .getSlides().get(0).getShapes().appendShape(ShapeType.RECTANGLE,new Rectangle2D.Float(50, 70, 300, 120));
        textbox.getShapeStyle().getLineColor().setColor(new Color(1,1,1,0));
        textbox.getFill().setFillType(FillFormatType.NONE);

        //Remove default paragraphs
        textbox.getTextFrame().getParagraphs().clear();

        //Add three paragraphs and apply colors with different alpha values to the text
        int alpha = 55;
        for (int i = 0; i < 3; i++)
        {
            textbox.getTextFrame().getParagraphs().append(new ParagraphEx());
            textbox.getTextFrame().getParagraphs().get(i).getTextRanges().append(new PortionEx("Text Transparency"));
            textbox.getTextFrame().getParagraphs().get(i).getTextRanges().get(0).getFill().setFillType(FillFormatType.NONE);
            textbox.getTextFrame().getParagraphs().get(i).getTextRanges().get(0).getFill().setFillType(FillFormatType.SOLID);
            textbox.getTextFrame().getParagraphs().get(i).getTextRanges().get(0).getFill().getSolidColor().setColor(new Color(176, 48, 96, alpha));
            alpha += 100;
        }

        //Save to file
        presentation.saveToFile("TextTransparency.pptx", FileFormat.PPTX_2013);
    }
}
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Output
Text

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