This is just what I was looking for. Thanks Yegor!
-Evan
Yegor Kozlov wrote:
>
> Hi Evan,
>
> We don't have a nice usermodel API to create multiple rich text runs,
> however it is possible to create such text by
> manipulating low-level ppt records. An example is below.
>
> package org.apache.poi.hslf.scratchpad;
>
> import org.apache.poi.hslf.record.StyleTextPropAtom;
> import org.apache.poi.hslf.record.TextCharsAtom;
> import org.apache.poi.hslf.record.Record;
> import org.apache.poi.hslf.model.*;
> import org.apache.poi.hslf.model.textproperties.TextPropCollection;
> import org.apache.poi.hslf.usermodel.SlideShow;
> import org.apache.poi.hslf.usermodel.RichTextRun;
>
> import java.awt.*;
> import java.io.*;
>
> public class TextChunks {
>
> public static void main(String[] args) throws Exception {
>
> SlideShow ppt = new SlideShow();
> Slide slide = ppt.createSlide();
> TextShape shape = new TextBox();
> shape.setSheet(slide);
>
> TextRun run = shape.getTextRun();
> StyleTextPropAtom styleAtom = null;
> TextCharsAtom textAtom = null;
> for(Record r : run.getRecords()){
> if(r instanceof StyleTextPropAtom) styleAtom =
> (StyleTextPropAtom)r;
> else if(r instanceof TextCharsAtom) textAtom =
> (TextCharsAtom)r;
> }
>
> styleAtom.getParagraphStyles().clear();
> styleAtom.getCharacterStyles().clear();
>
> StringBuffer text = new StringBuffer();
> TextPropCollection prProps, chProps;
> RichTextRun rt;
> String chunk;
>
> //begin building rich text runs
> chunk = "Apache";
> text.append(chunk);
> prProps =
> styleAtom.addParagraphTextPropCollection(chunk.length());
> chProps =
> styleAtom.addCharacterTextPropCollection(chunk.length());
> rt = new RichTextRun(shape.getTextRun(), text.length(),
> chunk.length(), null, chProps, false, false);
> rt.supplySlideShow(ppt);
> rt.setFontColor(Color.red);
> rt.setUnderlined(true);
> rt.setFontSize(10);
>
> chunk = " POI";
> text.append(chunk);
> prProps =
> styleAtom.addParagraphTextPropCollection(chunk.length());
> chProps =
> styleAtom.addCharacterTextPropCollection(chunk.length());
> rt = new RichTextRun(shape.getTextRun(), text.length(),
> chunk.length(), null, chProps, false, false);
> rt.supplySlideShow(ppt);
> rt.setFontColor(Color.green);
> rt.setItalic(true);
> rt.setFontSize(24);
>
> chunk = " is cool";
> text.append(chunk);
> prProps =
> styleAtom.addParagraphTextPropCollection(chunk.length());
> chProps =
> styleAtom.addCharacterTextPropCollection(chunk.length());
> rt = new RichTextRun(shape.getTextRun(), text.length(),
> chunk.length(), null, chProps, false, false);
> rt.supplySlideShow(ppt);
> PPFont font = new PPFont();
> font.setFontName("Times New Roman");
> int fontIndex = ppt.addFont(font);
> rt.setFontIndex(fontIndex);
> rt.setBold(true);
> rt.setFontSize(24);
>
> chunk = "really!";
> text.append(chunk);
> prProps =
> styleAtom.addParagraphTextPropCollection(chunk.length());
> chProps =
> styleAtom.addCharacterTextPropCollection(chunk.length());
> rt = new RichTextRun(shape.getTextRun(), text.length(),
> chunk.length(), null, chProps, false, false);
> rt.supplySlideShow(ppt);
> rt.setFontIndex(fontIndex);
> rt.setSuperscript(100);
> rt.setFontSize(20);
>
> //sum of chunk lengths must be text.length+1, add a dummy char to
> the end
> styleAtom.addParagraphTextPropCollection(1);
> styleAtom.addCharacterTextPropCollection(1);
>
> String txt = text.toString();
> textAtom.setText(txt);
>
> shape.getTextRun().buildRichTextRuns(styleAtom.getParagraphStyles(),
> styleAtom.getCharacterStyles(), txt);
> //end building rich text runs
>
> shape.setAnchor(new Rectangle(100, 100, 300, 50));
> slide.addShape(shape);
>
> FileOutputStream out = new FileOutputStream("test.ppt");
> ppt.write(out);
> out.close();
>
> }
>
> }
>
> Regards,
> Yegor
>
>> I have spent the past few days searching the web, searching this forum
>> and
>> playing around with the Apache POI-HSLF API in an attempt to convert HTML
>> from a WYSIWYG editor into something that looks comparable inside of a
>> PPT
>> TextBox. While I am able to pretty easily convert stuff like line breaks,
>> tabs and bullets to plain text, I am kind of stumped as to how I can
>> display
>> text of different sizes/colors/bolding/underlining/etc inside the same
>> TextBox. I spotted another thread on here that said the addition of
>> multiple
>> RichTextRun objects to a single TextBox was not yet supported in the API
>> which makes me think this might not even be possible.
>>
>> Does anyone have any examples of something like this or any suggestions
>> as
>> to how it could be implemented? Do I pretty much have to create multiple
>> TextBox objects, each with their own RichTextRun in order to show
>> differently formatted text when creating slides from scratch?
>>
>> Any input would be appreciated. Thanks!
>>
>> -Evan
>
>
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