Try printing six dives per page

[ext/subsurface.git] / print.c

diff --git a/print.c b/print.c
index 0fe958a008095a1ea596556cc1d15116ee21a263..41e090d4406c223ea8704e82ab577a381fe0b48c 100644 (file)
--- a/print.c
+++ b/print.c
@@ -2,27 +2,61 @@
 
 #include "dive.h"
 #include "display.h"
+#include "display-gtk.h"
+
+static void show_one_dive(struct dive *dive, cairo_t *cr, double w, double h)
+{
+       struct graphics_context gc = {
+               .printer = 1,
+               .cr = cr
+       };
+       plot(&gc, w, h, dive);
+}
+
+static void print(int divenr, cairo_t *cr, double x, double y, double w, double h)
+{
+       struct dive *dive;
+
+       dive = get_dive(divenr);
+       if (!dive)
+               return;
+       cairo_save(cr);
+       cairo_translate(cr, x, y);
+
+       /* We actually want to scale the text and the lines now */
+       cairo_scale(cr, 0.5, 0.5);
+
+       /* Dive plot in the upper 75% - note the scaling */
+       show_one_dive(dive, cr, w*2, h*1.5);
+
+       /* Dive information in the lower 25% */
+
+       cairo_restore(cr);
+}
 
 static void draw_page(GtkPrintOperation *operation,
                        GtkPrintContext *context,
                        gint page_nr,
                        gpointer user_data)
 {
+       int nr;
        cairo_t *cr;
        PangoLayout *layout;
        double w, h;
-       struct graphics_context gc = { .printer = 1 };
 
        cr = gtk_print_context_get_cairo_context(context);
-       gc.cr = cr;
-
        layout=gtk_print_context_create_pango_layout(context);
 
-       w = gtk_print_context_get_width(context);
-       h = gtk_print_context_get_height(context);
+       w = gtk_print_context_get_width(context)/2;
+       h = gtk_print_context_get_height(context)/3;
 
-       /* Do the profile on the top half of the page.. */
-       plot(&gc, w, h/2, current_dive);
+       nr = page_nr*6;
+       print(nr+0, cr, 0,   0, w, h);
+       print(nr+1, cr, w,   0, w, h);
+       print(nr+2, cr, 0,   h, w, h);
+       print(nr+3, cr, w,   h, w, h);
+       print(nr+2, cr, 0, 2*h, w, h);
+       print(nr+3, cr, w, 2*h, w, h);
 
        pango_cairo_show_layout(cr,layout);
        g_object_unref(layout);
@@ -36,13 +70,15 @@ static GtkPrintSettings *settings = NULL;
 
 void do_print(void)
 {
+       int pages;
        GtkPrintOperation *print;
        GtkPrintOperationResult res;
 
        print = gtk_print_operation_new();
        if (settings != NULL)
                gtk_print_operation_set_print_settings(print, settings);
-       gtk_print_operation_set_n_pages(print, 1);
+       pages = (dive_table.nr + 5) / 6;
+       gtk_print_operation_set_n_pages(print, pages);
        g_signal_connect(print, "begin_print", G_CALLBACK(begin_print), NULL);
        g_signal_connect(print, "draw_page", G_CALLBACK(draw_page), NULL);
        res = gtk_print_operation_run(print, GTK_PRINT_OPERATION_ACTION_PRINT_DIALOG,