X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=print.c;h=f612e5666166825576d38577d900df19c2b8d9f2;hb=924ad0e15e0fc5b39b743f393e445655c0b77881;hp=99db33a33c0f518efcd10a86523866371d99958c;hpb=d8d631aa842a996af518db8e5f2c3721fceb59e3;p=ext%2Fsubsurface.git diff --git a/print.c b/print.c index 99db33a..f612e56 100644 --- a/print.c +++ b/print.c @@ -7,55 +7,138 @@ #include "display.h" #include "display-gtk.h" -static void show_text(cairo_t *cr, int size, double x, double y, const char *fmt, ...) +/* Why doesn't pango/gtk have these quoting functions? */ +static inline int add_char(char *buffer, size_t size, int len, char c) { - va_list args; - char buffer[256], *p; - - va_start(args, fmt); - vsnprintf(buffer, sizeof(buffer), fmt, args); - va_end(args); - - cairo_set_font_size(cr, size); - - p = buffer; - do { - char *n = strchr(p, '\n'); - if (n) - *n++ = 0; - cairo_move_to(cr, x, y); - cairo_show_text(cr, p); - p = n; - y += size; - } while (p); + 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. - * - * I'm going to do this with the cairo engine instead. I can only learn so - * many new interfaces. + * This is hacky. */ -static void show_dive_text(struct dive *dive, cairo_t *cr, double w, double h) +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); - show_text(cr, 16, 0, 2, "Dive #%d - %s, %s %d, %d %d:%02d", - dive->number, + 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); - show_text(cr, 10, w*0.6, 0, - "Max depth: %d ft\nDuration: %d:%02d", + /* + * 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); - show_text(cr, 10, 0, 20, "%s", dive->location ?: ""); - show_text(cr, 10, 0, 30, "%s", dive->notes ?: ""); + 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) @@ -64,10 +147,12 @@ static void show_dive_profile(struct dive *dive, cairo_t *cr, double w, double h .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) +static void print(int divenr, cairo_t *cr, double x, double y, double w, double h, PangoFontDescription *font) { struct dive *dive; @@ -77,15 +162,20 @@ static void print(int divenr, cairo_t *cr, double x, double y, double w, double 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 75% - note the scaling */ - show_dive_profile(dive, cr, w*2, h*1.5); + /* 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); - /* Dive information in the lower 25% */ - cairo_translate(cr, 0, h*1.5); - show_dive_text(dive, cr, w*2, h*0.5); + show_dive_text(dive, cr, w*2, h*0.67, font); cairo_restore(cr); } @@ -98,19 +188,23 @@ static void draw_page(GtkPrintOperation *operation, 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); - 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); + 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) @@ -125,6 +219,7 @@ void do_print(void) GtkPrintOperation *print; GtkPrintOperationResult res; + repaint_dive(); print = gtk_print_operation_new(); if (settings != NULL) gtk_print_operation_set_print_settings(print, settings);