Spire.Presentation

Spire.Presentation (5)

Charts

2021-12-09 06:36:12 Written by zaki zou

Data

salesPers	saleAmt	comPct	comAmt
Joe	250	150	99
Robert	270	150	99
Michelle	310	120	49
Erich	330	120	49
Dafna	360	150	141
Rob	380	150	135

Option

downloads

Demo
Java
C# source

This demo shows you how to create a chart in a PowerPoint document.

package ppt;

import com.spire.data.table.DataColumn;
import com.spire.data.table.DataRow;
import com.spire.data.table.DataTable;
import com.spire.pdf.tables.table.DataTypes;
import com.spire.presentation.FileFormat;
import com.spire.presentation.Presentation;
import com.spire.presentation.charts.ChartType;
import com.spire.presentation.charts.IChart;

import java.awt.geom.Rectangle2D;

public class ChartDemo {
    public void chartDemoPpt(String resultFilePath, ChartType chartType) throws Exception {
        Presentation presentation = new Presentation();
        Rectangle2D rect1 = new Rectangle2D.Double(90, 100, 550, 320);
        IChart chart = presentation.getSlides().get(0).getShapes().appendChart(chartType, rect1, false);
        //chart title
        chart.getChartTitle().getTextProperties().setText("Chart");
        chart.getChartTitle().getTextProperties().isCentered(true);
        chart.getChartTitle().setHeight(30);
        chart.hasTitle( true);
        DataTable dataTable = getDataTable();
        insertDatatableToChart(chart,dataTable);
        //set series label
        chart.getSeries().setSeriesLabel(chart.getChartData().get("B1", "D1"));
        System.out.println(chart.getSeries().size());
       if (chartType.getName().contains("Scatter") || chartType.getName().contains("Bubble")){
            chart.getSeries().get(0).setXValues(chart.getChartData().get("A2", "A7"));
            chart.getSeries().get(0).setYValues(chart.getChartData().get("B2", "B7"));
            chart.getSeries().get(1).setYValues(chart.getChartData().get("C2", "C7"));
            chart.getSeries().get(2).setYValues(chart.getChartData().get("D2", "D7"));
            if (chartType.getName().contains("Bubble")){
                for (int i = 0; i < chart.getSeries().size();i++){
                    chart.getSeries().get(i).getBubbles().add(1);
                    chart.getSeries().get(i).getBubbles().add(4);
                    chart.getSeries().get(i).getBubbles().add(3);
                    chart.getSeries().get(i).getBubbles().add(4);
                    chart.getSeries().get(i).getBubbles().add(2);
                    chart.getSeries().get(i).getBubbles().add(9);
                }
            }
        }else {
            //set category label
            chart.getCategories().setCategoryLabels(chart.getChartData().get("A2", "A7"));
            //set values for series
            chart.getSeries().get(0).setValues(chart.getChartData().get("B2", "B7"));
            chart.getSeries().get(1).setValues(chart.getChartData().get("C2", "C7"));
            chart.getSeries().get(2).setValues(chart.getChartData().get("D2", "D7"));
            if (chartType.getName().contains("3D")){
                chart.getRotationThreeD().setXDegree(10);
                chart.getRotationThreeD().setYDegree(10);
            }
        }
        presentation.saveToFile(resultFilePath, FileFormat.PPTX_2013);

    }

    private DataTable getDataTable() throws Exception {
        DataTable dataTable = new DataTable();
        dataTable.getColumns().add(new DataColumn("SalesPers", DataTypes.DATATABLE_STRING));
        dataTable.getColumns().add(new DataColumn("SaleAmt", DataTypes.DATATABLE_INT));
        dataTable.getColumns().add(new DataColumn("ComPct", DataTypes.DATATABLE_INT));
        dataTable.getColumns().add(new DataColumn("ComAmt", DataTypes.DATATABLE_INT));
        DataRow row1 = dataTable.newRow();
        row1.setString("SalesPers", "Joe");
        row1.setInt("SaleAmt", 250);
        row1.setInt("ComPct", 150);
        row1.setInt("ComAmt", 99);
        DataRow row2 = dataTable.newRow();
        row2.setString("SalesPers", "Robert");
        row2.setInt("SaleAmt", 270);
        row2.setInt("ComPct", 150);
        row2.setInt("ComAmt", 99);
        DataRow row3 = dataTable.newRow();
        row3.setString("SalesPers", "Michelle");
        row3.setInt("SaleAmt", 310);
        row3.setInt("ComPct", 120);
        row3.setInt("ComAmt", 49);
        DataRow row4 = dataTable.newRow();
        row4.setString("SalesPers", "Erich");
        row4.setInt("SaleAmt", 330);
        row4.setInt("ComPct", 120);
        row4.setInt("ComAmt", 49);
        DataRow row5 = dataTable.newRow();
        row5.setString("SalesPers", "Dafna");
        row5.setInt("SaleAmt", 360);
        row5.setInt("ComPct", 150);
        row5.setInt("ComAmt", 141);
        DataRow row6 = dataTable.newRow();
        row6.setString("SalesPers", "Rob");
        row6.setInt("SaleAmt", 380);
        row6.setInt("ComPct", 150);
        row6.setInt("ComAmt", 135);
        dataTable.getRows().add(row1);
        dataTable.getRows().add(row2);
        dataTable.getRows().add(row3);
        dataTable.getRows().add(row4);
        dataTable.getRows().add(row5);
        dataTable.getRows().add(row6);
        return dataTable;
    }

    private void insertDatatableToChart(IChart chart, DataTable dataTable) throws Exception {
        for (int c = 0; c < dataTable.getColumns().size(); c++) {
            chart.getChartData().get(0, c).setText(dataTable.getColumns().get(c).getColumnName());
        }
        for (int r = 0; r < dataTable.getRows().size(); r++) {
            Object[] datas = dataTable.getRows().get(r).getArrayList();
            for (int c = 0; c < datas.length; c++) {
                chart.getChartData().get(r + 1, c).setValue(datas[c]);
            }
        }
    }
}

using Spire.Presentation;
using Spire.Presentation.Charts;
using System;
using System.Data;
using System.Drawing;

namespace DemoOnlineCode
{
    class CreateCharts
    {
        public void ChartDemo(String resultFileName, ChartType chartType)
        {
            Presentation presentation = new Presentation();
            RectangleF rect1 = new RectangleF(90, 100, 550, 320);
            IChart chart = presentation.Slides[0].Shapes.AppendChart(chartType, rect1, false);
            //chart title
            chart.ChartTitle.TextProperties.Text = "Chart";
            chart.ChartTitle.TextProperties.IsCentered = true;
            chart.ChartTitle.Height = 30;
            chart.HasTitle = true;
            DataTable dataTable = getDataTable();
            insertDatatableToChart(chart, dataTable);
            //set series label
            chart.Series.SeriesLabel = chart.ChartData["B1", "D1"];         
            if (chartType.ToString().Contains("Scatter") || chartType.ToString().Contains("Bubble"))
            {
                chart.Series[0].XValues = chart.ChartData["A2", "A7"];
                chart.Series[0].YValues = chart.ChartData["B2", "B7"];
                chart.Series[1].XValues = chart.ChartData["A2", "A7"];
                chart.Series[1].YValues = chart.ChartData["C2", "C7"];
                chart.Series[2].XValues = chart.ChartData["A2", "A7"];
                chart.Series[2].YValues = chart.ChartData["D2", "D7"];
                if (chartType.ToString().Contains("Bubble"))
                {
                    for (int i = 0; i < chart.Series.Count; i++)
                    {
                        chart.Series[i].Bubbles.Add(1);
                        chart.Series[i].Bubbles.Add(4);
                        chart.Series[i].Bubbles.Add(3);
                        chart.Series[i].Bubbles.Add(4);
                        chart.Series[i].Bubbles.Add(2);
                        chart.Series[i].Bubbles.Add(9);
                    }
                }
            }
            else
            {
                //set category label
                chart.Categories.CategoryLabels = chart.ChartData["A2", "A7"];
                //set values for series
                chart.Series[0].Values = chart.ChartData["B2", "B7"];
                chart.Series[1].Values = chart.ChartData["C2", "C7"];
                chart.Series[2].Values = chart.ChartData["D2", "D7"];
                if (chartType.ToString().Contains("3D"))
                {
                    chart.RotationThreeD.XDegree = 10;
                    chart.RotationThreeD.YDegree = 10;
                }
            }
            presentation.SaveToFile(resultFileName+".pptx", FileFormat.Pptx2013);
        }

        private static DataTable getDataTable()
        {
            DataTable dataTable = new DataTable();
            dataTable.Columns.Add(new DataColumn("SalesPers", typeof(String)));
            dataTable.Columns.Add(new DataColumn("SaleAmt", typeof(Int32)));
            dataTable.Columns.Add(new DataColumn("ComPct", typeof(Int32)));
            dataTable.Columns.Add(new DataColumn("ComAmt", typeof(Int32)));
            dataTable.Rows.Add("Jeo", 250, 150, 99);
            dataTable.Rows.Add("Robert", 270, 150, 99);
            dataTable.Rows.Add("Michelle", 310, 120, 49);
            dataTable.Rows.Add("Erich", 330, 120, 49);
            dataTable.Rows.Add("Dafna", 360, 150, 141);
            dataTable.Rows.Add("Rob", 380, 150, 135);
            return dataTable;
        }

        private static void insertDatatableToChart(IChart chart, DataTable dataTable)
        {
            for (int c = 0; c < dataTable.Columns.Count; c++)
            {
                chart.ChartData[0, c].Text = dataTable.Columns[c].ColumnName;
            }
            for (int r = 0; r < dataTable.Rows.Count; r++)
            {
                Object[] datas = dataTable.Rows[r].ItemArray;
                for (int c = 0; c < datas.Length; c++)
                {
                    chart.ChartData[r + 1, c].Value = datas[c];
                }
            }
        }
    }
}

No Matter How Big or Small Your Project is,

Any technical question related to our product, contact us at support@e-iceblue.com.

Any question related to the purchase of product, contact us at sales@e-iceblue.com.

If you don't find the function you want, please request a free demo from us.

Published in Spire.Presentation

Add WaterMark

2021-12-09 06:34:12 Written by zaki zou

Set text watermark

Text:
Font:
Font Size:	The font size must be a valid number. The font size must be a valid number.
Color:
Rotate:
downloads

Set image watermark

Image:	Click here to browse files CustomValidator

downloads

Demo
Java
C# source

This demo shows you how to add text watermark and image watermark to a PowerPoint document.

package ppt;

import com.spire.presentation.*;
import com.spire.presentation.drawing.BackgroundType;
import com.spire.presentation.drawing.FillFormatType;
import com.spire.presentation.drawing.IImageData;
import com.spire.presentation.drawing.PictureFillType;

import javax.imageio.ImageIO;
import java.awt.*;
import java.awt.geom.Rectangle2D;
import java.awt.image.BufferedImage;
import java.io.File;

public class WatermarkDemo {

    public void watermark(String filePath, String watermarkType, String text, String imageFile, String resultFilePath) throws Exception {
        Presentation presentation = new Presentation();
        presentation.loadFromFile(filePath);

        switch (watermarkType){
            case "TEXT":
                addTextWatermark(presentation,text);
                break;
            case "IMAGE":
                File file = new File(imageFile);
                BufferedImage bufferedImage = ImageIO.read(file);
                addImageWatermark(presentation,bufferedImage);
                break;
        }
        presentation.saveToFile(resultFilePath,FileFormat.PPTX_2013);

    }

    private void addTextWatermark(Presentation presentation, String text) throws Exception {
        int width= 400;
        int height= 300;
        Rectangle2D.Double rect = new Rectangle2D.Double((presentation.getSlideSize().getSize().getWidth() - width) / 2,
                (presentation.getSlideSize().getSize().getHeight() - height) / 2, width, height);
        for (int i = 0; i< presentation.getSlides().getCount();i++){
            IAutoShape shape = presentation.getSlides().get(i).getShapes().appendShape(ShapeType.RECTANGLE,rect);
            shape.getFill().setFillType(FillFormatType.NONE);
            shape.getShapeStyle().getLineColor().setColor(Color.white);
            shape.setRotation(-45);
            shape.getLocking().setSelectionProtection(true);
            shape.getLine().setFillType(FillFormatType.NONE);
            shape.getTextFrame().setText(text);
            PortionEx textRange = shape.getTextFrame().getTextRange();
            TextFont font = new TextFont("Arial Rounded MT Bold");
            textRange.setLatinFont(font);
            textRange.getFill().setFillType(FillFormatType.SOLID);
            textRange.getFill().getSolidColor().setColor(Color.RED);
            textRange.setFontHeight(22);
        }
    }

    private void addImageWatermark(Presentation presentation, BufferedImage bufferedImage) throws DocumentEditException {
        IImageData image = presentation.getImages().append(bufferedImage);
        for (int i = 0; i< presentation.getSlides().getCount();i++) {
            ISlide slide = presentation.getSlides().get(i);
            slide.getSlideBackground().setType(BackgroundType.CUSTOM);
            slide.getSlideBackground().getFill().setFillType(FillFormatType.PICTURE);
            slide.getSlideBackground().getFill().getPictureFill().setFillType(PictureFillType.STRETCH);
            slide.getSlideBackground().getFill().getPictureFill().getPicture().setEmbedImage(image);
        }
    }
}

using Spire.Presentation;
using Spire.Presentation.Drawing;
using System.Drawing;
using System.Windows.Forms;

namespace DemoOnlineCode
{
    class AddWatermark
    {

        public void AddTextOrImageWatermarkDemo(string filePath,string format,string text, string imagePath,  string resultFileName)
        {
            Presentation presentation = new Presentation();
            presentation.LoadFromFile(filePath);
            switch (format)
            {
                case "TEXT":                   
                    AddTextWatermark(presentation,text,resultFileName);
                    break;
                case "IMAGE":
                    AddImageWatermark(presentation,imagePath,resultFileName);
                    break;
            }
        }


        private static void AddTextWatermark(Presentation presentation, string text, string resultFileName)
        {
            Form frm = new Form();
            Graphics gc = frm.CreateGraphics();
            SizeF size = gc.MeasureString(text, new Font("Lucida Sans Unicode", 50));

            //Define a rectangle range
            RectangleF rect = new RectangleF((presentation.SlideSize.Size.Width - size.Width) / 2, (presentation.SlideSize.Size.Height - size.Height) / 2, size.Width, size.Height);

            foreach (ISlide slide in presentation.Slides)
            {
                IAutoShape shape =slide.Shapes.AppendShape(ShapeType.Rectangle, rect);
                //Set the style of the shape
                shape.Fill.FillType = FillFormatType.None;
                shape.ShapeStyle.LineColor.Color = Color.White;
                shape.Rotation = -45;
                shape.Locking.SelectionProtection = true;
                shape.Line.FillType = FillFormatType.None;

                //Add text to the shape
                shape.TextFrame.Text = text;
                TextRange textRange = shape.TextFrame.TextRange;
                //Set the style of the text range
                textRange.Fill.FillType = FillFormatType.Solid;
                textRange.Fill.SolidColor.Color = Color.FromArgb(120, Color.HotPink);
                textRange.FontHeight = 50;            
            }          
            presentation.SaveToFile(resultFileName + ".pptx", FileFormat.Pptx2013);
        }

        private static void AddImageWatermark(Presentation presentation, string imageFile, string resultFileName)
        {
            IImageData image = presentation.Images.Append(Image.FromFile(imageFile));
            foreach (ISlide slide in presentation.Slides)
            {
                slide.SlideBackground.Type = BackgroundType.Custom;
                slide.SlideBackground.Fill.FillType = FillFormatType.Picture;
                slide.SlideBackground.Fill.PictureFill.FillType = PictureFillType.Stretch;
                slide.SlideBackground.Fill.PictureFill.Picture.EmbedImage = image;
            }               
            presentation.SaveToFile(resultFileName + ".pptx", FileFormat.Pptx2013);
        }
    }
}

No Matter How Big or Small Your Project is,

Any technical question related to our product, contact us at support@e-iceblue.com.

Any question related to the purchase of product, contact us at sales@e-iceblue.com.

If you don't find the function you want, please request a free demo from us.

Published in Spire.Presentation

Add Text and Image

2021-12-09 06:32:35 Written by zaki zou

Add text

Text:
Font:
Font Size:	The font size must be a valid number. The font size must be a valid number.
Color:
downloads

Add image

Image:	Click here to browse files CustomValidator

downloads

Demo
Java
C# source

This demo shows you how to add text and image to a PowerPoint document.

package ppt;

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

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



public class AddTextOrImageDemo {

    public void addTextOrImage(String filePath, String addType, String text, String imageFile, String resultFilePath) throws Exception {
        Presentation presentation = new Presentation();
        presentation.loadFromFile(filePath);

        switch (addType){
            case "TEXT":
                addText(presentation,text);
                break;
            case "IMAGE":
                addImage(presentation,imageFile);
                break;
        }
        presentation.saveToFile(resultFilePath,FileFormat.PPTX_2013);
    }

    private void addText(Presentation presentation, String text) throws Exception {
        IAutoShape shape = presentation.getSlides().get(0).getShapes().appendShape(ShapeType.RECTANGLE, new Rectangle(50, 70, 620, 150));
        shape.getFill().setFillType(FillFormatType.NONE);
        shape.getShapeStyle().getLineColor().setColor(Color.white);
        shape.getTextFrame().getParagraphs().get(0).setAlignment(TextAlignmentType.LEFT);
        shape.getTextFrame().getParagraphs().get(0).setIndent(50);
        shape.getTextFrame().getParagraphs().get(0).setLineSpacing(150);
        shape.getTextFrame().setText(text);
        shape.getTextFrame().getParagraphs().get(0).getTextRanges().get(0).setLatinFont(new TextFont("Arial Rounded MT Bold"));
        shape.getTextFrame().getParagraphs().get(0).getTextRanges().get(0).setFontHeight(16);
        shape.getTextFrame().getParagraphs().get(0).getTextRanges().get(0).getFill().setFillType(FillFormatType.SOLID);
        shape.getTextFrame().getParagraphs().get(0).getTextRanges().get(0).getFill().getSolidColor().setColor(Color.RED);
    }

    private void addImage(Presentation presentation, String imageFile) throws Exception {
        Rectangle2D.Double rect1 = new Rectangle2D.Double(presentation.getSlideSize().getSize().getWidth() / 2 - 280, 140, 120, 120);
        IEmbedImage image = presentation.getSlides().get(0).getShapes().appendEmbedImage(ShapeType.RECTANGLE, imageFile, rect1);
        image.getLine().setFillType(FillFormatType.NONE);
    }
}

using Spire.Presentation;
using Spire.Presentation.Drawing;
using System;
using System.Collections.Generic;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace DemoOnlineCode
{
    class AddTextOrImage
    {
        public void AddTextOrImageDemo(string format, string text, string imageFilePath, string resultFileName)
        {
            Presentation presentation = new Presentation();
            switch (format)
            {
                case "TEXT":
                    AddText(presentation,text,resultFileName);
                    break;
                case "IMAGE":
                    AddImage(presentation, imageFilePath, resultFileName);
                    break;
            }

        }
        private static void AddText(Presentation presentation, string text, string resultFileName)
        {
            IAutoShape shape = presentation.Slides[0].Shapes.AppendShape(ShapeType.Rectangle, new RectangleF(50, 70, 620, 150));
            shape.Fill.FillType = FillFormatType.None;
            shape.ShapeStyle.LineColor.Color = Color.White;

            //Set the alignment of paragraph
            shape.TextFrame.Paragraphs[0].Alignment = TextAlignmentType.Left;
            //Set the indent of paragraph
            shape.TextFrame.Paragraphs[0].Indent = 50;
            //Set the linespacing of paragraph
            shape.TextFrame.Paragraphs[0].LineSpacing = 150;
            //Set the text of paragraph
            shape.TextFrame.Text = text;

            //Set the Font
            shape.TextFrame.Paragraphs[0].TextRanges[0].LatinFont = new TextFont("Arial Rounded MT Bold");
            shape.TextFrame.Paragraphs[0].TextRanges[0].Fill.FillType = FillFormatType.Solid;
            shape.TextFrame.Paragraphs[0].TextRanges[0].Fill.SolidColor.Color = Color.Black;

            presentation.SaveToFile(resultFileName + ".pptx", FileFormat.Pptx2013);
        }

        private static void AddImage(Presentation presentation, string imageFilePath, string resultFileName)
        {
            RectangleF rect1 = new RectangleF(presentation.SlideSize.Size.Width / 2 - 280, 140, 120, 120);
            IEmbedImage image = presentation.Slides[0].Shapes.AppendEmbedImage(ShapeType.Rectangle, imageFilePath, rect1);
            image.Line.FillType = FillFormatType.None;
            presentation.SaveToFile(resultFileName + ".pptx", FileFormat.Pptx2013);
        }

    }
}

No Matter How Big or Small Your Project is,

Any technical question related to our product, contact us at support@e-iceblue.com.

Any question related to the purchase of product, contact us at sales@e-iceblue.com.

If you don't find the function you want, please request a free demo from us.

Published in Spire.Presentation

Find and Replace

2021-12-09 06:31:16 Written by zaki zou

Upload

Maximum file size: 1 MB. Files accepted: ppt, pptx.

Click here to browse files.

fileerrors

Convert to

Source file:

filename

Search Text:

Replace Text:

downloads

Demo
Java
C# source

This demo shows you how to search specific text in a PowerPoint document and replace the matched text.

package ppt;

import com.spire.presentation.*;

import java.awt.*;
import java.util.HashMap;
import java.util.Map;

public class FindAndReplaceDemo {

    public void findOrReplace(String filePath,String changeType, String text, String newText, String resultFilePath) throws Exception {
        Presentation presentation = new Presentation();
        presentation.loadFromFile(filePath);
        switch (changeType){
            case "FIND":
                findText(presentation,text);
                break;
            case "REPLACE":
                replaceText(presentation,text,newText);
                break;
        }
        presentation.saveToFile(resultFilePath,FileFormat.PPTX_2013);
    }

    private void findText(Presentation presentation, String text){
        for(int i = 0; i < presentation.getSlides().getCount();i++){
            ISlide slide = presentation.getSlides().get(i);
            for (int j = 0; j < slide.getShapes().getCount();j++){
                IAutoShape shape = (IAutoShape)slide.getShapes().get(j);
                TextHighLightingOptions options = new TextHighLightingOptions();
                options.setWholeWordsOnly(true);
                options.setCaseSensitive(true);
                shape.getTextFrame().highLightText(text, Color.yellow, options);
            }
        }
    }

    private void replaceText(Presentation presentation, String oldText, String newText){
        for(int i = 0; i < presentation.getSlides().getCount();i++){
            ISlide slide = presentation.getSlides().get(i);
            Map map = new HashMap<>();
            map.put(oldText,newText);
            replaceTags(slide,map);
        }
    }

    private static void replaceTags(ISlide pSlide, Map tagValues) {
        for (int i = 0; i < pSlide.getShapes().getCount(); i++) {
            IShape curShape = pSlide.getShapes().get(i);
            if (curShape instanceof IAutoShape) {
                for (int j = 0; j < ((IAutoShape) curShape).getTextFrame().getParagraphs().getCount(); j++) {
                    ParagraphEx tp = ((IAutoShape) curShape).getTextFrame().getParagraphs().get(j);
                    for (Map.Entry entry : tagValues.entrySet()) {
                        String mapKey = entry.getKey();
                        String mapValue = entry.getValue();
                        if (tp.getText().contains(mapKey)) {
                            tp.setText(tp.getText().replace(mapKey, mapValue));
                        }
                    }
                }
            }
        }
    }
}

using Spire.Presentation;
using System;
using System.Collections.Generic;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace DemoOnlineCode
{
    class HighlightOrReplace
    {
        public void HighlightOrReplaceDemo(string filePath, string format, string text, string newText,  string resultFileName)
        {
            Presentation presentation = new Presentation();
            presentation.LoadFromFile(filePath);
            switch (format)
            {
                case "HIGHLIGHT":                    
                    HighlightText(presentation,text,resultFileName);
                    break;

                case "REPLACE":
                    ReplaceText(presentation, text, newText, resultFileName);
                    break;
            }
        }

        private static void HighlightText(Presentation presentation, string text, string resultFileName)
        {
            foreach (ISlide slide in presentation.Slides)
            {
                foreach (IShape shape in slide.Shapes)
                {
                    if (shape is IAutoShape)
                    {
                        IAutoShape autoShape = shape as IAutoShape;
                        TextHighLightingOptions options = new TextHighLightingOptions();
                        options.WholeWordsOnly = true;
                        options.CaseSensitive = true;
                        autoShape.TextFrame.HighLightText(text, Color.Yellow, options);
                    }
                }                
            }
            presentation.SaveToFile(resultFileName+".pptx", FileFormat.Pptx2013);
        }

        private static void ReplaceText(Presentation presentation, string oldText, string newText, string resultFileName)
        {
            Dictionary tagValues = new Dictionary();
            tagValues.Add(oldText,newText);
            foreach (ISlide slide in presentation.Slides)
            {
                ReplaceTags(slide, tagValues);
            }
            presentation.SaveToFile(resultFileName + ".pptx", FileFormat.Pptx2013);
        }
        private static void ReplaceTags(ISlide pSlide, Dictionary TagValues)
        {
            foreach (IShape curShape in pSlide.Shapes)
            {
                if (curShape is IAutoShape)
                {
                    foreach (TextParagraph tp in (curShape as IAutoShape).TextFrame.Paragraphs)
                    {
                        foreach (var curKey in TagValues.Keys)
                        {
                            if (tp.Text.Contains(curKey))
                            {
                                tp.Text = tp.Text.Replace(curKey, TagValues[curKey]);
                            }
                        }
                    }
                }
            }
        }

    }
}

No Matter How Big or Small Your Project is,

Any technical question related to our product, contact us at support@e-iceblue.com.

Any question related to the purchase of product, contact us at sales@e-iceblue.com.

If you don't find the function you want, please request a free demo from us.

Published in Spire.Presentation

Conversion

2021-12-09 06:30:09 Written by zaki zou

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Maximum file size: 1 MB. Files accepted: ppt , pptx.

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Demo
Java
C# source

This demo shows you how to convert a PowerPoint document (ppt/pptx) to PDF, HTML, Image, XPS and Tiff.

using Spire.Presentation;
using System;
using System.Drawing;
using System.Drawing.Imaging;

namespace DemoOnlineCode
{
    class Convertors
    {
        public void demoConvert(string filePath, string format, string resultFileName)
        {
            Presentation presentation = new Presentation();
            presentation.LoadFromFile(filePath);
            ConvertFormat(presentation,format,resultFileName);
        }
        private static void ConvertFormat(Presentation presentation, string format, string resultFileName)
        {
            switch (format)
            {
                case "PDF":
                    presentation.SaveToFile(resultFileName + ".PDF", FileFormat.PDF);
                    break;

                case "HTML":
                    presentation.SaveToFile(resultFileName + ".html", FileFormat.Html);
                    break;

                case "IMAGE":
                    Image[] images = new Image[presentation.Slides.Count];
                    for (int i = 0; i < presentation.Slides.Count;i++)
                    {
                        images[i] = presentation.Slides[i].SaveAsImage();
                    }
                    if (images != null && images.Length > 0)
                    {
                        if (images.Length == 1)
                        {
                            images[0].Save(resultFileName + ".bmp", System.Drawing.Imaging.ImageFormat.Bmp);
                        }
                        else
                        {
                            for (int i = 0; i < images.Length; i++)
                            {
                                string fileName = string.Format("{0}-Image-{1}.png", resultFileName, i);
                                images[i].Save(fileName, ImageFormat.Png);
                            }
                        }
                    }
                        break;

                case "XPS":
                    presentation.SaveToFile(resultFileName + ".xps", FileFormat.XPS);
                    break;

                case "TIFF":
                    Image[] images2 = new Image[presentation.Slides.Count];
                    if (images2 != null && images2.Length > 0)
                    {
                        for (int i = 0; i < presentation.Slides.Count; i++)
                        {
                            images2[i] = presentation.Slides[i].SaveAsImage();
                        }
                            JoinTiffImages(images2,resultFileName+ ".tiff", EncoderValue.CompressionLZW);
                    }                                                      
                    break;            
            }
        }

        private static ImageCodecInfo GetEncoderInfo(string mimeType)
        {
            ImageCodecInfo[] encoders = ImageCodecInfo.GetImageEncoders();
            for (int j = 0; j < encoders.Length; j++)
            {
                if (encoders[j].MimeType == mimeType)
                    return encoders[j];
            }

            throw new Exception(mimeType + " mime type not found in ImageCodecInfo");
        }

        public static void JoinTiffImages(Image[] images, string outFile, EncoderValue compressEncoder)
        {
            //Use the save encoder
            System.Drawing.Imaging.Encoder enc = System.Drawing.Imaging.Encoder.SaveFlag;

            EncoderParameters ep = new EncoderParameters(2);
            ep.Param[0] = new EncoderParameter(enc, (long)EncoderValue.MultiFrame);
            ep.Param[1] = new EncoderParameter(System.Drawing.Imaging.Encoder.Compression, (long)compressEncoder);

            Image pages = null;
            int frame = 0;
            ImageCodecInfo info = GetEncoderInfo("image/tiff");

            foreach (Image img in images)
            {
                if (frame == 0)
                {
                    pages = img;

                    //Save the first frame
                    pages.Save(outFile, info, ep);
                }
                else
                {
                    //Save the intermediate frames
                    ep.Param[0] = new EncoderParameter(enc, (long)EncoderValue.FrameDimensionPage);

                    pages.SaveAdd(img, ep);
                }

                if (frame == images.Length - 1)
                {
                    //Flush and close
                    ep.Param[0] = new EncoderParameter(enc, (long)EncoderValue.Flush);
                    pages.SaveAdd(ep);
                }
                frame++;
            }
        }

    }
}

No Matter How Big or Small Your Project is,

Any technical question related to our product, contact us at support@e-iceblue.com.

Any question related to the purchase of product, contact us at sales@e-iceblue.com.

If you don't find the function you want, please request a free demo from us.

Published in Spire.Presentation

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