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Set Text Transparency in PowerPoint Using Java

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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