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chart_column.bas
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chart_column.bas
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/'
* An example of creating Excel column charts using the libxlsxwriter library.
*
* Copyright 2014-2017, John McNamara, jmcnamara@cpan.org
*
* translated by Lee June by using https://github.com/retsyo/libxlsxwriter_freebasic
'/
#include "auto_xlsxwriter.bi"
/'
* Write some data to the worksheet.
'/
sub write_worksheet_data(byref worksheet as lxw_worksheet ptr , byref bold as lxw_format ptr)
Dim As integer row, col
Dim As uinteger data_(0 to 5, 0 to 2) = { _
/' Three columns of data. '/ _
{2, 10, 30}, _
{3, 40, 60}, _
{4, 50, 70}, _
{5, 20, 50}, _
{6, 10, 40}, _
{7, 50, 30} _
}
worksheet_write_string(worksheet, CELL("A1"), "Number", bold)
worksheet_write_string(worksheet, CELL("B1"), "Batch 1", bold)
worksheet_write_string(worksheet, CELL("C1"), "Batch 2", bold)
for row = 0 to 5
for col = 0 to 2
worksheet_write_number(worksheet, row + 1, col, data_(row, col) , NULL)
next
next
end sub
/'
* Create a worksheet with examples charts.
'/
function main() as Integer
var workbook = new_workbook("chart_column.xlsx")
var worksheet = workbook_add_worksheet(workbook, NULL)
/' Add a bold format to use to highlight the header cells. '/
var bold = workbook_add_format(workbook)
format_set_bold(bold)
/' Write some data for the chart. '/
write_worksheet_data(worksheet, bold)
/'
* Chart 1. Create a column chart.
'/
var chart = workbook_add_chart(workbook, LXW_CHART_COLUMN)
/' Add the first series to the chart. '/
var series = chart_add_series(chart, "=Sheet1!$A$2:$A$7", "=Sheet1!$B$2:$B$7")
/' Set the name for the series instead of the default "Series 1". '/
chart_series_set_name(series, "=Sheet1!$B1$1")
/' Add a second series but leave the categories and values undefined. They
* can be defined later using the alternative syntax shown below. '/
series = chart_add_series(chart, NULL, NULL)
/' Configure the series using a syntax that is easier to define programmatically. '/
chart_series_set_categories(series, "Sheet1", 1, 0, 6, 0) /' "=Sheet1!$A$2:$A$7" '/
chart_series_set_values(series, "Sheet1", 1, 2, 6, 2) /' "=Sheet1!$C$2:$C$7" '/
chart_series_set_name_range(series, "Sheet1", 0, 2) /' "=Sheet1!$C$1" '/
/' Add a chart title and some axis labels. '/
chart_title_set_name(chart, "Results of sample analysis")
chart_axis_set_name(chart->x_axis, "Test number")
chart_axis_set_name(chart->y_axis, "Sample length (mm)")
/' Set an Excel chart style. '/
chart_set_style(chart, 11)
/' Insert the chart into the worksheet. '/
worksheet_insert_chart(worksheet, CELL("E2"), chart)
/'
* Chart 2. Create a stacked column chart.
'/
chart = workbook_add_chart(workbook, LXW_CHART_COLUMN_STACKED)
/' Add the first series to the chart. '/
series = chart_add_series(chart, "=Sheet1!$A$2:$A$7", "=Sheet1!$B$2:$B$7")
/' Set the name for the series instead of the default "Series 1". '/
chart_series_set_name(series, "=Sheet1!$B1$1")
/' Add the second series to the chart. '/
series = chart_add_series(chart, "=Sheet1!$A$2:$A$7", "=Sheet1!$C$2:$C$7")
/' Set the name for the series instead of the default "Series 2". '/
chart_series_set_name(series, "=Sheet1!$C1$1")
/' Add a chart title and some axis labels. '/
chart_title_set_name(chart, "Results of sample analysis")
chart_axis_set_name(chart->x_axis, "Test number")
chart_axis_set_name(chart->y_axis, "Sample length (mm)")
/' Set an Excel chart style. '/
chart_set_style(chart, 12)
/' Insert the chart into the worksheet. '/
worksheet_insert_chart(worksheet, CELL("E18"), chart)
/'
* Chart 3. Create a percent stacked column chart.
'/
chart = workbook_add_chart(workbook, LXW_CHART_COLUMN_STACKED_PERCENT)
/' Add the first series to the chart. '/
series = chart_add_series(chart, "=Sheet1!$A$2:$A$7", "=Sheet1!$B$2:$B$7")
/' Set the name for the series instead of the default "Series 1". '/
chart_series_set_name(series, "=Sheet1!$B1$1")
/' Add the second series to the chart. '/
series = chart_add_series(chart, "=Sheet1!$A$2:$A$7", "=Sheet1!$C$2:$C$7")
/' Set the name for the series instead of the default "Series 2". '/
chart_series_set_name(series, "=Sheet1!$C1$1")
/' Add a chart title and some axis labels. '/
chart_title_set_name(chart, "Results of sample analysis")
chart_axis_set_name(chart->x_axis, "Test number")
chart_axis_set_name(chart->y_axis, "Sample length (mm)")
/' Set an Excel chart style. '/
chart_set_style(chart, 13)
/' Insert the chart into the worksheet. '/
worksheet_insert_chart(worksheet, CELL("E34"), chart)
return workbook_close(workbook)
End Function
main()