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#include <stdio.h>
#include <stdlib.h>
#include <cairo/cairo-pdf.h>
#include <pango/pangocairo.h>
#include "draw.h"
#include "date.h"
// Metric
#define A4_WIDTH 210
#define A4_HEIGHT 297
// Font Settings
#define FONT_FAMILY "Sans"
#define FONT_SIZE_NORMAL 10
#define FONT_SIZE_LARGE 40
int main (void) {
// Definitions
// -----------
// Convert to inches, then 1 unit = 1/72th inch
double width = (A4_WIDTH / 25.4) * 72.0;
double height = (A4_HEIGHT / 25.4) * 72.0;
extern char *months[];
int num_of_months = 12;
extern int days_in_month[12];
// TBD: Add ability to choose filename
char *filename;
filename = "output.pdf";
// Create dimensions struct to hold measurements
struct dimensions dim;
// Leap year adjustment: increment February day count by one
int year = 2026;
if (isleap(year)) {
days_in_month[1]++;
}
// Initialization
// --------------
// Calculates measurements, stores them in dimensions struct. See "draw.h"
calculate_dimensions(width, height, &dim);
cairo_surface_t *surface = cairo_pdf_surface_create(filename, dim.paper_width, dim.paper_height);
cairo_t *paper = cairo_create(surface);
// Sub-surface for rendering content in day boxes
cairo_surface_t *day =
cairo_surface_create_similar(surface, CAIRO_CONTENT_COLOR_ALPHA, dim.day_width, dim.day_height);
cairo_t *cd = cairo_create(day);
// General rectangle struct for positioning. Used whenever dimensions need
// to be passed to another function
// PangoRectangle logical_extents;
// Fill background with white color
cairo_set_source_rgb (paper, 255.0, 255.0, 255.0);
fill_bg(paper);
// Construction
// ------------
// Print dimensions, for debugging
//print_dimensions(&dim);
// Draw all months
for (int i = 0; i < num_of_months; i++) {
cairo_set_source_rgb (paper, 0.0, 0.0, 0.0);
draw_month_title(paper, &dim, months[i]);
calculate_minimum_rows(day_of_week(1, i + 1, year), days_in_month[i], &dim);
draw_month(paper, cd, day, &dim, days_in_month[i], day_of_week(1, i + 1, year));
// Go to next page in pdf
cairo_show_page(paper);
}
// Clean up
// --------
cairo_destroy(paper);
cairo_surface_destroy(surface);
return 0;
}
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