implement correct month rendering, multipage, No start of month offset

1 files changed, 51 insertions, 18 deletions

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;
 }