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[ext/subsurface.git] / print.c
diff --git a/print.c b/print.c
index 0fe958a008095a1ea596556cc1d15116ee21a263..16ac4d2bf07f547252c1caff48a9590465c32ff0 100644 (file)
--- a/print.c
+++ b/print.c
+#include <stdio.h>
+#include <string.h>
+#include <stdarg.h>
 #include <gtk/gtk.h>
 
 #include "dive.h"
 #include "display.h"
+#include "display-gtk.h"
+
+/*
+ * You know what? Maybe somebody can do a real Pango layout thing.
+ * This is hacky.
+ */
+static void show_dive_text(struct dive *dive, cairo_t *cr, double w, double h, PangoFontDescription *font)
+{
+       int len, width, height, maxwidth, maxheight;
+       PangoLayout *layout;
+       struct tm *tm;
+       char buffer[1024], divenr[20];
+
+       maxwidth = w * PANGO_SCALE;
+       maxheight = h * PANGO_SCALE * 0.9;
+
+       layout = pango_cairo_create_layout(cr);
+       pango_layout_set_font_description(layout, font);
+       pango_layout_set_width(layout, maxwidth);
+       pango_layout_set_height(layout, maxheight);
+       pango_layout_set_wrap(layout, PANGO_WRAP_WORD_CHAR);
+
+       *divenr = 0;
+       if (dive->number)
+               snprintf(divenr, sizeof(divenr), "Dive #%d - ", dive->number);
+
+
+       tm = gmtime(&dive->when);
+       len = snprintf(buffer, sizeof(buffer),
+               "<span size=\"large\">"
+               "%s%s, %s %d, %d   %d:%02d"
+               "</span>",
+               divenr,
+               weekday(tm->tm_wday),
+               monthname(tm->tm_mon),
+               tm->tm_mday, tm->tm_year + 1900,
+               tm->tm_hour, tm->tm_min);
+
+       pango_layout_set_justify(layout, 1);
+       pango_layout_set_ellipsize(layout, PANGO_ELLIPSIZE_END);
+       pango_layout_set_alignment(layout, PANGO_ALIGN_LEFT);
+
+       pango_layout_set_markup(layout, buffer, len);
+       pango_layout_get_size(layout, &width, &height);
+
+       cairo_move_to(cr, 0, 0);
+       pango_cairo_show_layout(cr, layout);
+
+       /*
+        * This is still problematic: a long dive location will clash
+        * with the depth/duration information. Need to mask that or
+        * create a box or something.
+        */
+       snprintf(buffer, sizeof(buffer),
+               "<span size=\"small\">"
+               "Max depth: %d ft\n"
+               "Duration: %d:%02d"
+               "</span>",
+               to_feet(dive->maxdepth),
+               dive->duration.seconds / 60,
+               dive->duration.seconds % 60);
+
+       pango_layout_set_alignment(layout, PANGO_ALIGN_RIGHT);
+       pango_layout_set_markup(layout, buffer, -1);
+
+       cairo_move_to(cr, 0, 0);
+       pango_cairo_show_layout(cr, layout);
+
+       len = snprintf(buffer, sizeof(buffer), "%s\n\n%s",
+               dive->location ? : "",
+               dive->notes ? : "");
+
+       maxheight -= height;
+       pango_layout_set_height(layout, maxheight);
+       pango_layout_set_attributes(layout, NULL);
+       pango_layout_set_alignment(layout, PANGO_ALIGN_LEFT);
+       pango_layout_set_text(layout, buffer, len);
+
+       cairo_move_to(cr, 0, height / (double) PANGO_SCALE);
+       pango_cairo_show_layout(cr, layout);
+
+       g_object_unref(layout);
+}
+
+static void show_dive_profile(struct dive *dive, cairo_t *cr, double w, double h)
+{
+       struct graphics_context gc = {
+               .printer = 1,
+               .cr = cr
+       };
+       cairo_save(cr);
+       plot(&gc, w, h, dive);
+       cairo_restore(cr);
+}
+
+static void print(int divenr, cairo_t *cr, double x, double y, double w, double h, PangoFontDescription *font)
+{
+       struct dive *dive;
+
+       dive = get_dive(divenr);
+       if (!dive)
+               return;
+       cairo_save(cr);
+       cairo_translate(cr, x, y);
+
+       /* Plus 5% on all sides */
+       cairo_translate(cr, w/20, h/20);
+       w *= 0.9; h *= 0.9;
+
+       /* We actually want to scale the text and the lines now */
+       cairo_scale(cr, 0.5, 0.5);
+
+       /* Dive plot in the upper two thirds - note the scaling */
+       show_dive_profile(dive, cr, w*2, h*1.33);
+
+       /* Dive information in the lower third */
+       cairo_translate(cr, 0, h*1.33);
+
+       show_dive_text(dive, cr, w*2, h*0.67, font);
+
+       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 };
+       PangoFontDescription *font;
 
        cr = gtk_print_context_get_cairo_context(context);
-       gc.cr = cr;
+       font = pango_font_description_from_string("Sans");
 
-       layout=gtk_print_context_create_pango_layout(context);
+       w = gtk_print_context_get_width(context)/2;
+       h = gtk_print_context_get_height(context)/3;
 
-       w = gtk_print_context_get_width(context);
-       h = gtk_print_context_get_height(context);
+       nr = page_nr*6;
+       print(nr+0, cr, 0,   0, w, h, font);
+       print(nr+1, cr, w,   0, w, h, font);
+       print(nr+2, cr, 0,   h, w, h, font);
+       print(nr+3, cr, w,   h, w, h, font);
+       print(nr+4, cr, 0, 2*h, w, h, font);
+       print(nr+5, cr, w, 2*h, w, h, font);
 
-       /* Do the profile on the top half of the page.. */
-       plot(&gc, w, h/2, current_dive);
-
-       pango_cairo_show_layout(cr,layout);
-       g_object_unref(layout);
+       pango_font_description_free(font);
 }
 
 static void begin_print(GtkPrintOperation *operation, gpointer user_data)
@@ -36,13 +163,16 @@ static GtkPrintSettings *settings = NULL;
 
 void do_print(void)
 {
+       int pages;
        GtkPrintOperation *print;
        GtkPrintOperationResult res;
 
+       repaint_dive();
        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,