Ställ in bild som bakgrund Fyll i diagrammet
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Aspose.Cells låter dig ställa in en övertoning, struktur, mönster eller bild som fyllningseffekter för olika objekt, till exempel plotområdet, diagramområdet eller förklaringsrutan för ett diagram. Det här dokumentet visar hur du lägger till en bild till ett diagrams bakgrund.
Följande diagram skapas med exempelkoden.
Bild som visar utdatadiagrammet efter exekvering av exempelkoden
Java kod för att ställa in bild som bakgrundsfyllning i diagrammet
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// For complete examples and data files, please go to https://github.com/aspose-cells/Aspose.Cells-for-Java | |
// The path to the documents directory. | |
String dataDir = Utils.getDataDir(SetPictureAsBackgroundFillInChart.class); | |
// Create a new Workbook. | |
Workbook workbook = new Workbook(); | |
// Get the first worksheet. | |
Worksheet sheet = workbook.getWorksheets().get(0); | |
// Set the name of worksheet | |
sheet.setName("Data"); | |
// Get the cells collection in the sheet. | |
Cells cells = workbook.getWorksheets().get(0).getCells(); | |
// Put some values into a cells of the Data sheet. | |
cells.get("A1").putValue("Region"); | |
cells.get("A2").putValue("France"); | |
cells.get("A3").putValue("Germany"); | |
cells.get("A4").putValue("England"); | |
cells.get("A5").putValue("Sweden"); | |
cells.get("A6").putValue("Italy"); | |
cells.get("A7").putValue("Spain"); | |
cells.get("A8").putValue("Portugal"); | |
cells.get("B1").putValue("Sale"); | |
cells.get("B2").putValue(70000); | |
cells.get("B3").putValue(55000); | |
cells.get("B4").putValue(30000); | |
cells.get("B5").putValue(40000); | |
cells.get("B6").putValue(35000); | |
cells.get("B7").putValue(32000); | |
cells.get("B8").putValue(10000); | |
// Add a chart sheet. | |
int sheetIndex = workbook.getWorksheets().add(SheetType.CHART); | |
sheet = workbook.getWorksheets().get(sheetIndex); | |
// Set the name of worksheet | |
sheet.setName("Chart"); | |
// Create chart | |
int chartIndex = 0; | |
chartIndex = sheet.getCharts().add(ChartType.COLUMN, 1, 1, 25, 10); | |
Chart chart = sheet.getCharts().get(chartIndex); | |
// Set some properties of chart plot area. To set a picture as fill format and make the border invisible. | |
File file = new File(dataDir + "aspose-logo.png"); | |
byte[] data = new byte[(int) file.length()]; | |
FileInputStream fis = new FileInputStream(file); | |
fis.read(data); | |
chart.getPlotArea().getArea().getFillFormat().setImageData(data); | |
chart.getPlotArea().getBorder().setVisible(false); | |
// Set properties of chart title | |
chart.getTitle().setText("Sales By Region"); | |
chart.getTitle().getFont().setColor(Color.getBlue()); | |
chart.getTitle().getFont().setBold(true); | |
chart.getTitle().getFont().setSize(12); | |
// Set properties of nseries | |
chart.getNSeries().add("Data!B2:B8", true); | |
chart.getNSeries().setCategoryData("Data!A2:A8"); | |
chart.getNSeries().setColorVaried(true); | |
// Set the Legend. | |
Legend legend = chart.getLegend(); | |
legend.setPosition(LegendPositionType.TOP); | |
// Save the excel file | |
workbook.save(dataDir + "column_chart.xls"); |