X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=print.c;h=f612e5666166825576d38577d900df19c2b8d9f2;hb=924ad0e15e0fc5b39b743f393e445655c0b77881;hp=c2114d56cbe90d860245c3ba420c2400315c7a61;hpb=ce86289eed0651c846a609743d77e26cacbcfde6;p=ext%2Fsubsurface.git diff --git a/print.c b/print.c index c2114d5..f612e56 100644 --- a/print.c +++ b/print.c @@ -1,34 +1,210 @@ +#include +#include +#include #include #include "dive.h" #include "display.h" +#include "display-gtk.h" + +/* Why doesn't pango/gtk have these quoting functions? */ +static inline int add_char(char *buffer, size_t size, int len, char c) +{ + if (len < size) + buffer[len++] = c; + return len; +} + +/* Add an escape string "atomically" - all or nothing */ +static int add_str(char *buffer, size_t size, int len, const char *s) +{ + int oldlen = len; + char c; + while ((c = *s++) != 0) { + if (len >= size) + return oldlen; + buffer[len++] = c; + } + return len; +} + +static int add_quoted_string(char *buffer, size_t size, int len, const char *s) +{ + if (!s) + return len; + + /* Room for '\0' */ + size--; + for (;;) { + const char *escape; + unsigned char c = *s++; + switch(c) { + default: + len = add_char(buffer, size, len, c); + continue; + case 0: + escape = "\n"; + break; + case '&': + escape = "&"; + break; + case '>': + escape = ">"; + break; + case '<': + escape = "<"; + break; + } + len = add_str(buffer, size, len, escape); + if (c) + continue; + buffer[len] = 0; + return len; + } +} + +/* + * 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; + PangoLayout *layout; + struct tm *tm; + char buffer[1024], divenr[20]; + + layout = pango_cairo_create_layout(cr); + pango_layout_set_font_description(layout, font); + pango_layout_set_width(layout, w * PANGO_SCALE); + pango_layout_set_height(layout, h * PANGO_SCALE * 0.9); + 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), + "" + "%s%s, %s %d, %d %d:%02d" + "\n", + divenr, + weekday(tm->tm_wday), + monthname(tm->tm_mon), + tm->tm_mday, tm->tm_year + 1900, + tm->tm_hour, tm->tm_min); + + /* + * Leave an empty line even if no location: otherwise the notes can + * overrun the depth/duration information. + */ + if (dive->location) + len = add_quoted_string(buffer, sizeof(buffer), len, dive->location); + else + len = add_char(buffer, sizeof(buffer), len, '\n'); + + if (dive->notes) { + len = add_char(buffer, sizeof(buffer), len, '\n'); + len = add_quoted_string(buffer, sizeof(buffer), len, dive->notes); + } + + 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); + + 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), + "" + "Max depth: %d ft\n" + "Duration: %d:%02d" + "", + 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); + + 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 = { 0 }; + 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 third of the page.. */ - cairo_set_source_rgb(cr, 0, 0, 0); - cairo_rectangle(cr, 0, 0, w, h/3); - cairo_fill(cr); - plot(&gc, w, h/3, 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) @@ -39,13 +215,16 @@ 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,