mirror of
https://github.com/jmcnamara/libxlsxwriter
synced 2025-03-28 21:13:14 +00:00
204 lines
6.2 KiB
C
204 lines
6.2 KiB
C
/*
|
|
* A demo of an various Excel chart data tools that are available via a
|
|
* libxlsxwriter chart.
|
|
*
|
|
* These include Drop Lines and High-Low Lines.
|
|
*
|
|
* Copyright 2014-2021, John McNamara, jmcnamara@cpan.org
|
|
*
|
|
*/
|
|
|
|
#include "xlsxwriter.h"
|
|
|
|
/*
|
|
* Write some data to the worksheet.
|
|
*/
|
|
void write_worksheet_data(lxw_worksheet *worksheet, lxw_format *bold) {
|
|
|
|
int row, col;
|
|
uint8_t data[6][3] = {
|
|
/* 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; row < 6; row++)
|
|
for (col = 0; col < 3; col++)
|
|
worksheet_write_number(worksheet, row + 1, col, data[row][col] , NULL);
|
|
}
|
|
|
|
/*
|
|
* Create a worksheet with examples charts.
|
|
*/
|
|
int main() {
|
|
|
|
lxw_workbook *workbook = workbook_new("chart_data_tools.xlsx");
|
|
lxw_worksheet *worksheet = workbook_add_worksheet(workbook, NULL);
|
|
lxw_chart_series *series;
|
|
/* Add a bold format to use to highlight the header cells. */
|
|
lxw_format *bold = workbook_add_format(workbook);
|
|
format_set_bold(bold);
|
|
|
|
/* Write some data for the chart. */
|
|
write_worksheet_data(worksheet, bold);
|
|
|
|
|
|
/*
|
|
* Chart 1. Example with High Low Lines.
|
|
*/
|
|
lxw_chart *chart = workbook_add_chart(workbook, LXW_CHART_LINE);
|
|
|
|
/* Add a chart title. */
|
|
chart_title_set_name(chart, "Chart with High-Low Lines");
|
|
|
|
/* Add the first series to the chart. */
|
|
chart_add_series(chart, "=Sheet1!$A$2:$A$7", "=Sheet1!$B$2:$B$7");
|
|
chart_add_series(chart, "=Sheet1!$A$2:$A$7", "=Sheet1!$C$2:$C$7");
|
|
|
|
/* Add high-low lines to the chart. */
|
|
chart_set_high_low_lines(chart, NULL);
|
|
|
|
/* Insert the chart into the worksheet. */
|
|
worksheet_insert_chart(worksheet, CELL("E2"), chart);
|
|
|
|
|
|
/*
|
|
* Chart 2. Example with Drop Lines.
|
|
*/
|
|
chart = workbook_add_chart(workbook, LXW_CHART_LINE);
|
|
|
|
/* Add a chart title. */
|
|
chart_title_set_name(chart, "Chart with Drop Lines");
|
|
|
|
/* Add the first series to the chart. */
|
|
chart_add_series(chart, "=Sheet1!$A$2:$A$7", "=Sheet1!$B$2:$B$7");
|
|
chart_add_series(chart, "=Sheet1!$A$2:$A$7", "=Sheet1!$C$2:$C$7");
|
|
|
|
/* Add drop lines to the chart. */
|
|
chart_set_drop_lines(chart, NULL);
|
|
|
|
/* Insert the chart into the worksheet. */
|
|
worksheet_insert_chart(worksheet, CELL("E18"), chart);
|
|
|
|
|
|
/*
|
|
* Chart 3. Example with Up-Down bars.
|
|
*/
|
|
chart = workbook_add_chart(workbook, LXW_CHART_LINE);
|
|
|
|
/* Add a chart title. */
|
|
chart_title_set_name(chart, "Chart with Up-Down bars");
|
|
|
|
/* Add the first series to the chart. */
|
|
chart_add_series(chart, "=Sheet1!$A$2:$A$7", "=Sheet1!$B$2:$B$7");
|
|
chart_add_series(chart, "=Sheet1!$A$2:$A$7", "=Sheet1!$C$2:$C$7");
|
|
|
|
/* Add Up-Down bars to the chart. */
|
|
chart_set_up_down_bars(chart);
|
|
|
|
/* Insert the chart into the worksheet. */
|
|
worksheet_insert_chart(worksheet, CELL("E34"), chart);
|
|
|
|
|
|
/*
|
|
* Chart 4. Example with Up-Down bars with formatting.
|
|
*/
|
|
chart = workbook_add_chart(workbook, LXW_CHART_LINE);
|
|
|
|
/* Add a chart title. */
|
|
chart_title_set_name(chart, "Chart with Up-Down bars");
|
|
|
|
/* Add the first series to the chart. */
|
|
chart_add_series(chart, "=Sheet1!$A$2:$A$7", "=Sheet1!$B$2:$B$7");
|
|
chart_add_series(chart, "=Sheet1!$A$2:$A$7", "=Sheet1!$C$2:$C$7");
|
|
|
|
/* Add Up-Down bars to the chart, with formatting. */
|
|
lxw_chart_line line = {.color = LXW_COLOR_BLACK};
|
|
lxw_chart_fill up_fill = {.color = 0x00B050};
|
|
lxw_chart_fill down_fill = {.color = LXW_COLOR_RED};
|
|
|
|
chart_set_up_down_bars_format(chart, &line, &up_fill, &line, &down_fill);
|
|
|
|
/* Insert the chart into the worksheet. */
|
|
worksheet_insert_chart(worksheet, CELL("E50"), chart);
|
|
|
|
|
|
/*
|
|
* Chart 5. Example with Markers and data labels.
|
|
*/
|
|
chart = workbook_add_chart(workbook, LXW_CHART_LINE);
|
|
|
|
/* Add a chart title. */
|
|
chart_title_set_name(chart, "Chart with Data Labels and Markers");
|
|
|
|
/* Add the first series to the chart. */
|
|
series = chart_add_series(chart, "=Sheet1!$A$2:$A$7", "=Sheet1!$B$2:$B$7");
|
|
chart_add_series( chart, "=Sheet1!$A$2:$A$7", "=Sheet1!$C$2:$C$7");
|
|
|
|
/* Add series markers. */
|
|
chart_series_set_marker_type(series, LXW_CHART_MARKER_CIRCLE);
|
|
|
|
/* Add series data labels. */
|
|
chart_series_set_labels(series);
|
|
|
|
/* Insert the chart into the worksheet. */
|
|
worksheet_insert_chart(worksheet, CELL("E66"), chart);
|
|
|
|
|
|
/*
|
|
* Chart 6. Example with Error Bars.
|
|
*/
|
|
chart = workbook_add_chart(workbook, LXW_CHART_LINE);
|
|
|
|
/* Add a chart title. */
|
|
chart_title_set_name(chart, "Chart with Error Bars");
|
|
|
|
/* Add the first series to the chart. */
|
|
series = chart_add_series(chart, "=Sheet1!$A$2:$A$7", "=Sheet1!$B$2:$B$7");
|
|
chart_add_series( chart, "=Sheet1!$A$2:$A$7", "=Sheet1!$C$2:$C$7");
|
|
|
|
/* Add error bars to show Standard Error. */
|
|
chart_series_set_error_bars(series->y_error_bars,
|
|
LXW_CHART_ERROR_BAR_TYPE_STD_ERROR, 0);
|
|
|
|
/* Add series data labels. */
|
|
chart_series_set_labels(series);
|
|
|
|
/* Insert the chart into the worksheet. */
|
|
worksheet_insert_chart(worksheet, CELL("E82"), chart);
|
|
|
|
|
|
/*
|
|
* Chart 7. Example with a trendline
|
|
*/
|
|
chart = workbook_add_chart(workbook, LXW_CHART_LINE);
|
|
|
|
/* Add a chart title. */
|
|
chart_title_set_name(chart, "Chart with a Trendline");
|
|
|
|
/* Add the first series to the chart. */
|
|
series = chart_add_series(chart, "=Sheet1!$A$2:$A$7", "=Sheet1!$B$2:$B$7");
|
|
chart_add_series( chart, "=Sheet1!$A$2:$A$7", "=Sheet1!$C$2:$C$7");
|
|
|
|
/* Add a polynomial trendline. */
|
|
lxw_chart_line poly_line = {.color = LXW_COLOR_GRAY,
|
|
.dash_type = LXW_CHART_LINE_DASH_LONG_DASH};
|
|
|
|
chart_series_set_trendline(series, LXW_CHART_TRENDLINE_TYPE_POLY, 3);
|
|
chart_series_set_trendline_line(series, &poly_line);
|
|
|
|
/* Insert the chart into the worksheet. */
|
|
worksheet_insert_chart(worksheet, CELL("E98"), chart);
|
|
|
|
|
|
return workbook_close(workbook);
|
|
}
|