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#include <stdio.h>
#include <string.h>
#include <stdarg.h>
#include <gtk/gtk.h>
#include "dive.h"
#include "display.h"
#include "display-gtk.h"
#define FONT_NORMAL (12)
#define FONT_SMALL (FONT_NORMAL / 1.2)
#define FONT_LARGE (FONT_NORMAL * 1.2)
static void set_font(PangoLayout *layout, PangoFontDescription *font, double size, int align)
{
pango_font_description_set_size(font, size * PANGO_SCALE);
pango_layout_set_font_description(layout, font);
pango_layout_set_ellipsize(layout, PANGO_ELLIPSIZE_END);
pango_layout_set_alignment(layout, align);
}
/*
* 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)
{
double depth;
const char *unit;
int len, decimals, width, height, maxwidth, maxheight;
PangoLayout *layout;
struct tm *tm;
char buffer[80], divenr[20], *people;
maxwidth = w * PANGO_SCALE;
maxheight = h * PANGO_SCALE * 0.9;
layout = pango_cairo_create_layout(cr);
pango_layout_set_width(layout, maxwidth);
pango_layout_set_height(layout, maxheight);
*divenr = 0;
if (dive->number)
snprintf(divenr, sizeof(divenr), "Dive #%d - ", dive->number);
tm = gmtime(&dive->when);
len = snprintf(buffer, sizeof(buffer),
"%s%s, %s %d, %d %d:%02d",
divenr,
weekday(tm->tm_wday),
monthname(tm->tm_mon),
tm->tm_mday, tm->tm_year + 1900,
tm->tm_hour, tm->tm_min);
set_font(layout, font, FONT_LARGE, PANGO_ALIGN_LEFT);
pango_layout_set_text(layout, buffer, len);
pango_layout_get_size(layout, &width, &height);
cairo_move_to(cr, 0, 0);
pango_cairo_show_layout(cr, layout);
people = dive->buddy;
if (!people || !*people) {
people = dive->divemaster;
if (!people)
people = "";
}
depth = get_depth_units(dive->maxdepth.mm, &decimals, &unit);
snprintf(buffer, sizeof(buffer),
"Max depth: %.*f %s\n"
"Duration: %d min\n"
"%s",
decimals, depth, unit,
(dive->duration.seconds+59) / 60,
people);
set_font(layout, font, FONT_SMALL, PANGO_ALIGN_RIGHT);
pango_layout_set_text(layout, buffer, -1);
cairo_move_to(cr, 0, 0);
pango_cairo_show_layout(cr, layout);
/*
* Show the dive location
*
* .. or at least a space to get the size.
*
* Move down by the size of the date, and limit the
* width to the same width as the date string.
*/
cairo_translate(cr, 0, height / (double) PANGO_SCALE);
maxheight -= height;
pango_layout_set_height(layout, 1);
pango_layout_set_width(layout, width);
set_font(layout, font, FONT_NORMAL, PANGO_ALIGN_LEFT);
pango_layout_set_text(layout, dive->location ? : " ", -1);
cairo_move_to(cr, 0, 0);
pango_cairo_show_layout(cr, layout);
pango_layout_get_size(layout, &width, &height);
/*
* Show the dive notes
*/
if (dive->notes) {
/* Move down by the size of the location (x2) */
height = height * 2;
cairo_translate(cr, 0, height / (double) PANGO_SCALE);
maxheight -= height;
/* Use the full width and remaining height for notes */
pango_layout_set_height(layout, maxheight);
pango_layout_set_width(layout, maxwidth);
pango_layout_set_wrap(layout, PANGO_WRAP_WORD_CHAR);
pango_layout_set_justify(layout, 1);
pango_layout_set_text(layout, dive->notes, -1);
cairo_move_to(cr, 0, 0);
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;
double w, h;
PangoFontDescription *font;
cr = gtk_print_context_get_cairo_context(context);
font = pango_font_description_from_string("Sans");
w = gtk_print_context_get_width(context)/2;
h = gtk_print_context_get_height(context)/3;
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);
pango_font_description_free(font);
}
static void begin_print(GtkPrintOperation *operation, gpointer user_data)
{
}
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);
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,
GTK_WINDOW(main_window), NULL);
if (res == GTK_PRINT_OPERATION_RESULT_APPLY) {
if (settings != NULL)
g_object_unref(settings);
settings = g_object_ref(gtk_print_operation_get_print_settings(print));
}
g_object_unref(print);
}
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