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-rw-r--r--Makefile2
-rwxr-xr-xcalpbin21992 -> 28432 bytes
-rw-r--r--src/calp.c69
-rw-r--r--src/date.c13
-rw-r--r--src/date.h1
-rw-r--r--src/date.obin0 -> 4464 bytes
-rw-r--r--src/draw.c139
-rw-r--r--src/draw.h26
8 files changed, 220 insertions, 30 deletions
diff --git a/Makefile b/Makefile
index 4c8f544..65a749f 100644
--- a/Makefile
+++ b/Makefile
@@ -2,7 +2,7 @@ VERSION = 0.0
PREFIX = /usr/local
CC = cc
DIR = src
-OBJS = $(DIR)/calp.o $(DIR)/draw.o
+OBJS = $(DIR)/calp.o $(DIR)/draw.o $(DIR)/date.o
.PHONY: clean all install
TARGET = calp
diff --git a/calp b/calp
index 61f4a46..e68ea9f 100755
--- a/calp
+++ b/calp
Binary files differ
diff --git a/src/calp.c b/src/calp.c
index 6336a40..9360551 100644
--- a/src/calp.c
+++ b/src/calp.c
@@ -1,43 +1,76 @@
#include <stdio.h>
+#include <stdlib.h>
#include <cairo/cairo-pdf.h>
#include <pango/pangocairo.h>
#include "draw.h"
+#include "date.h"
// Metric
-#define US_LETTER_WIDTH 216
-#define US_LETTER_HEIGHT 279
-
#define A4_WIDTH 210
#define A4_HEIGHT 297
-double width = A4_WIDTH;
-double height = A4_HEIGHT;
+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];
-int main (int argc, char **argv) {
char *filename;
-
- // TBD clean this up
- filename = argv[1];
+ filename = "output.pdf";
+
+ // Create dimensions struct to hold measurements
+ struct dimensions dim;
- if (argc == 1) {
- filename = "output.pdf";
+
+ // Leap year adjustment: increment February day count by one
+ int year = 2026;
+ if (isleap(year)) {
+ days_in_month[1]++;
}
+
+
+
+
// Initialization
- cairo_surface_t *surface = cairo_pdf_surface_create(filename, width, height);
- cairo_t *cr = cairo_create(surface);
+ // --------------
+ // Calculates measurements, stores them in dimensions struct. See "draw.h"
+ calculate_dimensions(width, height, &dim);
- // Draw stuff here
- fill_bg(cr, width, height);
+ cairo_surface_t *surface = cairo_pdf_surface_create(filename, dim.paper_width, dim.paper_height);
+ cairo_t *paper = cairo_create(surface);
- // Draw text in upper left corner
- draw_text(cr, 0.0, 0.0, "1");
+ // 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);
+
+ // Fill background with white color
+ cairo_set_source_rgb (paper, 255.0, 255.0, 255.0);
+ fill_bg(paper);
+ // Print dimensions, for debugging
+ //print_dimensions(&dim);
+
+ // Draw all months
+ for (int i = 0; i < num_of_months; i++) {
+ draw_month(paper, cd, day, &dim, days_in_month[i]);
+ // Goes to next page in pdf
+ cairo_show_page(paper);
+ }
+
+
// Clean up
- cairo_destroy(cr);
+ // --------
+ cairo_destroy(paper);
cairo_surface_destroy(surface);
return 0;
}
diff --git a/src/date.c b/src/date.c
new file mode 100644
index 0000000..43250f1
--- /dev/null
+++ b/src/date.c
@@ -0,0 +1,13 @@
+char *months[] = {
+ "January", "February", "March", "April", "May",
+ "June", "July", "August", "September", "October",
+ "November", "December"
+};
+
+// Februrary is altered in calp.c if year is a leap year. defaults to 28.
+int days_in_month[12] = {31, 28, 31, 30, 31, 30, 31, 31, 30, 31, 30, 31};
+
+int isleap(int year) {
+ return (year % 4 == 0 && year % 100 != 0) || (year % 400 == 0);
+}
+
diff --git a/src/date.h b/src/date.h
new file mode 100644
index 0000000..ce297ed
--- /dev/null
+++ b/src/date.h
@@ -0,0 +1 @@
+int isleap(int year);
diff --git a/src/date.o b/src/date.o
new file mode 100644
index 0000000..5fdd91f
--- /dev/null
+++ b/src/date.o
Binary files differ
diff --git a/src/draw.c b/src/draw.c
index a01caa0..a79c8a8 100644
--- a/src/draw.c
+++ b/src/draw.c
@@ -1,32 +1,151 @@
#include <cairo/cairo.h>
#include <pango/pangocairo.h>
+#include <stdio.h>
+#include <stdlib.h>
-int fill_bg(cairo_t *c, double w, double h) {
- cairo_set_source_rgb (c, 255.0, 255.0, 255.0);
- cairo_rectangle(c, 0, 0, w, h);
- cairo_fill(c);
- return 0;
+#define FONT "Monospace 10"
+
+// struct for storing dimensions used for calculations, movement, etc.
+struct dimensions {
+ // Multiplication factors
+ int row_count; /* rows */
+ int column_count; /* columns */
+
+ // All of these are in units chosen by width in "calp.c"
+ // Most likely milimeters (mm)
+ 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 */
+};
+
+
+
+
+// Fill entire background with current color
+int fill_bg(cairo_t *c) {
+ cairo_paint(c);
+ return 0;
}
+
+
+// Draw text at a certain point.
+// Creates and destroys layout within the scope of the function
+// Is that performant when looped over 365 operations?
int draw_text (cairo_t *c, double x, double y, char *text) {
-#define FONT "Sans Bold 27"
PangoLayout *layout;
PangoFontDescription *desc;
// Create a PangoLayout, setting font & text
layout = pango_cairo_create_layout(c);
-
desc = pango_font_description_from_string(FONT);
pango_layout_set_font_description(layout, desc);
pango_font_description_free(desc);
- cairo_set_source_rgb (c, 0.0, 0.0, 0.0);
pango_layout_set_text(layout, text, -1);
-
- //pango_cairo_update_layout (c, layout);
+ //printf("text: %s\n", text);
cairo_move_to (c, x, y);
pango_cairo_show_layout (c, layout);
g_object_unref(layout);
return 0;
}
+
+
+
+// Calculate dimenions for one page and stores it into the dimensions struct
+int calculate_dimensions(double pw, double ph, struct dimensions *d) {
+ // Percentage of page that should be margin
+ double margin = 0.1 * pw;
+
+ // Everything other than margin
+ double month_width = 0.8 * pw;
+
+ // width of day is 1/7th of total width
+ double box_width = month_width / 7.0;
+
+ // Width = Height; Day Box is a square
+ double box_height = box_width;
+
+ // Height is based on how tall # of weeks are
+ double month_height = box_height * 6.0;
+
+ d->row_count = 6;
+ d->column_count = 7;
+ d->paper_width = pw;
+ d->paper_height = ph;
+ d->margin = margin;
+ d->month_width = month_width;
+ d->month_top_corner_x = margin;
+ d->month_top_corner_y = ph - margin - month_height;
+ d->month_height = month_height;
+ d->day_width = box_width;
+ d->day_height = box_height;
+ return 0;
+}
+
+
+int print_dimensions(struct dimensions *d) {
+ printf("row count: %d\n", d->row_count);
+ printf("column count: %d\n", d->column_count);
+ printf("paper width: %.2f\n", d->paper_width);
+ printf("paper height: %.2f\n", d->paper_height);
+ printf("margin: %.2f\n", d->margin);
+ printf("month width: %.2f\n", d->month_width);
+ printf("month height: %.2f\n", d->month_height);
+ printf("month_top_corner_x: %f\n", d->month_top_corner_x);
+ printf("month_top_corner_y: %f\n", d->month_top_corner_y);
+ printf("day width: %.2f\n", d->day_width);
+ printf("day height: %.2f\n", d->day_height);
+ return 0;
+}
+
+
+// Draws the lines for a month
+//int draw_month_grid (cairo_t *c, int month, int start_day) {
+//int draw_month_grid (cairo_t *c, struct dimensions *d) {
+// cairo_move_to (c, d->month_top_corner_x, d->month_top_corner_y);
+// return 0;
+//}
+
+
+
+// Draws one month using daybox sub-surface & context, main context, and dimension struct
+int draw_month (cairo_t *c, cairo_t *cd, cairo_surface_t *s, struct dimensions *d, int days_in_month) {
+ double cursor_x = d->month_top_corner_x;
+ double cursor_y = d->month_top_corner_y;
+
+ int increment = 0;
+
+ char str[20];
+
+ for (int i = 0; i < d->row_count; i++) {
+ for (int k = 0; k < d->column_count; k++) {
+ if (increment < days_in_month) {
+ cairo_set_source_rgb (cd, 0.0, 0.0, 255.0);
+ cairo_paint(cd);
+ cairo_set_source_rgb (cd, 255.0, 255.0, 255.0);
+ snprintf(str, sizeof(str), "%d", increment + 1);
+ draw_text(cd, 4.0, 4.0, str);
+
+ cairo_set_source_surface (c, s, cursor_x, cursor_y);
+ cursor_x = cursor_x + d->day_width;
+ cairo_paint(c);
+ increment++;
+ } else {
+ return 0;
+ }
+ }
+
+ cursor_x = d->month_top_corner_x;
+ cursor_y = cursor_y + d->day_height;
+ }
+ cairo_stroke(cd);
+ return 0;
+}
diff --git a/src/draw.h b/src/draw.h
index e767ef8..ed600c8 100644
--- a/src/draw.h
+++ b/src/draw.h
@@ -1,3 +1,27 @@
-int fill_bg(cairo_t *c, double w, double h);
+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 */
+};
+
+int fill_bg(cairo_t *c);
int draw_text(cairo_t *c, double x, double y, 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 dimensions *d);
+
+int draw_month (cairo_t *c, cairo_t *cd, cairo_surface_t *s, struct dimensions *d, int days_in_month);
+
+
generated by cgit v1.2.3 (git 2.39.1) at 2026-05-20 05:15:58 +0000