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struct dimensions {
int row_count; /* rows */
int column_count; /* columns */
double paper_width; /* paper width */
double paper_height; /* paper height */
double month_width; /* month width */
double month_height; /* month height */
double month_top_corner_x;
double month_top_corner_y;
double day_width; /* day box width */
double day_height; /* day box height */
double margin; /* margin */
double header_width;
double header_height;
};
int fill_bg(cairo_t *c);
struct RGB {
double r;
double g;
double b;
};
struct month_info {
int month_position;
int first_day;
int num_of_days;
int minimum_rows;
};
struct RGB hex_to_rgb(char *str);
int set_color(cairo_t *c, char *hex);
int draw_text (cairo_t *c, double x, double y, char *font_family, int font_size, char *text);
int calculate_dimensions(double pw, double ph, struct dimensions *d);
int print_dimensions(struct dimensions *d);
int draw_month_grid (cairo_t *c, struct month_info *m, struct dimensions *d);
int draw_month (cairo_t *c, cairo_t *cd, cairo_surface_t *s, struct month_info *m, struct dimensions *d);
int day_of_week (int d, int m, int y);
int draw_month_title(cairo_t *c, struct dimensions *d, char *font_family, int font_size, char *name);
PangoRectangle get_logical_extents (cairo_t *c, char *font_family, int font_size, char *text);
int calculate_minimum_rows(struct month_info *m, struct dimensions *d);
int construct_day_box(cairo_t *cd, int month, int day, int week_day);
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