mirror of
https://github.com/jmcnamara/libxlsxwriter
synced 2025-03-28 21:13:14 +00:00
77 lines
2.5 KiB
C
77 lines
2.5 KiB
C
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/*
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* An example of a simple Excel chart with user defined fonts using the
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* libxlsxwriter library.
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*
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* Copyright 2014-2016, John McNamara, jmcnamara@cpan.org
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*
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*/
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#include "xlsxwriter.h"
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/* Write some data to the worksheet. */
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void write_worksheet_data(lxw_worksheet *worksheet) {
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uint8_t data[5][3] = {
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/* Three columns of data. */
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{1, 2, 3},
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{2, 4, 6},
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{3, 6, 9},
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{4, 8, 12},
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{5, 10, 15}
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};
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int row, col;
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for (row = 0; row < 5; row++)
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for (col = 0; col < 3; col++)
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worksheet_write_number(worksheet, row, col, data[row][col], NULL);
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}
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/* Create a worksheet with a chart. */
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int main() {
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lxw_workbook *workbook = new_workbook("chart_fonts.xlsx");
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lxw_worksheet *worksheet = workbook_add_worksheet(workbook, NULL);
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/* Write some data for the chart. */
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write_worksheet_data(worksheet);
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/* Create a chart object. */
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lxw_chart *chart = workbook_add_chart(workbook, LXW_CHART_COLUMN);
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/* Configure the chart. In simplest case we just add some value data
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* series. The NULL categories will default to 1 to 5 like in Excel.
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*/
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chart_add_series(chart, NULL, "=Sheet1!$A$1:$A$5");
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chart_add_series(chart, NULL, "=Sheet1!$B$1:$B$5");
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chart_add_series(chart, NULL, "=Sheet1!$C$1:$C$5");
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/* Create some fonts to use in the chart. */
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lxw_chart_font font1 = {.name = "Calibri", .color = LXW_COLOR_BLUE};
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lxw_chart_font font2 = {.name = "Courier New", .color = 0x92D050};
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lxw_chart_font font3 = {.name = "Arial", .color = 0x00B0F0};
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lxw_chart_font font4 = {.name = "Century", .color = LXW_COLOR_RED};
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lxw_chart_font font5 = {.bold = LXW_TRUE,
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.italic = LXW_TRUE,
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.underline = LXW_TRUE,
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.color = 0x7030A0};
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/* Write the chart title with a font. */
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chart_title_set_name(chart, "Test Results");
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chart_title_set_name_font(chart, &font1);
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/* Write the X axis with a font. */
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chart_axis_set_name(chart->x_axis, "Month");
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chart_axis_set_name_font(chart->x_axis, &font2);
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chart_axis_set_num_font(chart->x_axis, &font3);
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/* Write the Y axis with a font. */
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chart_axis_set_name(chart->y_axis, "Units");
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chart_axis_set_name_font(chart->y_axis, &font4);
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chart_axis_set_num_font(chart->y_axis, &font5);
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/* Insert the chart into the worksheet. */
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worksheet_insert_chart(worksheet, CELL("E9"), chart);
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return workbook_close(workbook);
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}
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