78 lines
2.7 KiB
C
78 lines
2.7 KiB
C
/*
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* An example of a simple Excel chart with patterns using the libxlsxwriter
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* library.
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*
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* Copyright 2014-2021, John McNamara, jmcnamara@cpan.org
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*
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*/
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#include "xlsxwriter.h"
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/* Create a worksheet with a chart. */
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int main() {
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lxw_workbook *workbook = workbook_new("chart_pattern.xlsx");
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lxw_worksheet *worksheet = workbook_add_worksheet(workbook, NULL);
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lxw_chart *chart;
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/* Add a bold format to use to highlight the header cells. */
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lxw_format *bold = workbook_add_format(workbook);
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format_set_bold(bold);
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/* Write some data for the chart. */
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worksheet_write_string(worksheet, 0, 0, "Shingle", bold);
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worksheet_write_number(worksheet, 1, 0, 105, NULL);
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worksheet_write_number(worksheet, 2, 0, 150, NULL);
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worksheet_write_number(worksheet, 3, 0, 130, NULL);
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worksheet_write_number(worksheet, 4, 0, 90, NULL);
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worksheet_write_string(worksheet, 0, 1, "Brick", bold);
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worksheet_write_number(worksheet, 1, 1, 50, NULL);
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worksheet_write_number(worksheet, 2, 1, 120, NULL);
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worksheet_write_number(worksheet, 3, 1, 100, NULL);
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worksheet_write_number(worksheet, 4, 1, 110, NULL);
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/* Create a chart object. */
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chart = workbook_add_chart(workbook, LXW_CHART_COLUMN);
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/* Configure the chart. */
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lxw_chart_series *series1 = chart_add_series(chart, NULL, "Sheet1!$A$2:$A$5");
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lxw_chart_series *series2 = chart_add_series(chart, NULL, "Sheet1!$B$2:$B$5");
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chart_series_set_name(series1, "=Sheet1!$A$1");
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chart_series_set_name(series2, "=Sheet1!$B$1");
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chart_title_set_name(chart, "Cladding types");
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chart_axis_set_name(chart->x_axis, "Region");
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chart_axis_set_name(chart->y_axis, "Number of houses");
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/* Configure an add the chart series patterns. */
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lxw_chart_pattern pattern1 = {.type = LXW_CHART_PATTERN_SHINGLE,
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.fg_color = 0x804000,
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.bg_color = 0XC68C53};
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lxw_chart_pattern pattern2 = {.type = LXW_CHART_PATTERN_HORIZONTAL_BRICK,
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.fg_color = 0XB30000,
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.bg_color = 0XFF6666};
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chart_series_set_pattern(series1, &pattern1);
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chart_series_set_pattern(series2, &pattern2);
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/* Configure and set the chart series borders. */
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lxw_chart_line line1 = {.color = 0x804000};
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lxw_chart_line line2 = {.color = 0xb30000};
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chart_series_set_line(series1, &line1);
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chart_series_set_line(series2, &line2);
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/* Widen the gap between the series/categories. */
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chart_set_series_gap(chart, 70);
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/* Insert the chart into the worksheet. */
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worksheet_insert_chart(worksheet, CELL("D2"), chart);
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return workbook_close(workbook);
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}
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