diff options
| -rw-r--r-- | print.c | 95 |
1 files changed, 67 insertions, 28 deletions
@@ -13,6 +13,10 @@ #define FONT_LARGE (FONT_NORMAL * 1.2) static double rel_width[] = { 0.333, 1.166, 0.5, 0.5, 1.0, 1.0, 1.8 }; +static int last_page_paginated, last_dive_paginated; +/* dynamically growing array of the first dive to be printed on each + * page in table mode */ +static int *first_dive; static struct options print_options; @@ -504,7 +508,7 @@ static void show_table_header(cairo_t *cr, PangoLayout *layout, double w) } static int show_table_cell(int i, cairo_t *cr, PangoLayout *layout, double colwidth, int height_count, - char *buffer, int len, double *curwidth, double y) + char *buffer, int len, double *curwidth, double y, gboolean paginate) { PangoRectangle logic_ext; double inner_colwidth = 0.95 * colwidth; @@ -512,7 +516,8 @@ static int show_table_cell(int i, cairo_t *cr, PangoLayout *layout, double colwi pango_layout_set_width(layout, inner_colwidth * rel_width[i]); pango_layout_set_text(layout, buffer, len); pango_layout_set_justify(layout, 0); - pango_cairo_show_layout(cr, layout); + if (!paginate) + pango_cairo_show_layout(cr, layout); *curwidth += colwidth * rel_width[i]; pango_layout_get_extents(layout, NULL, &logic_ext); if (logic_ext.height > height_count) @@ -520,7 +525,7 @@ static int show_table_cell(int i, cairo_t *cr, PangoLayout *layout, double colwi return height_count; } -static int show_dive_table(struct dive *dive, cairo_t *cr, PangoLayout *layout, double w, double dy) +static int show_dive_table(struct dive *dive, cairo_t *cr, PangoLayout *layout, double w, double dy, gboolean paginate) { double depth; const char *unit; @@ -539,7 +544,7 @@ static int show_dive_table(struct dive *dive, cairo_t *cr, PangoLayout *layout, len = 0; if (dive->number) len = snprintf(buffer, sizeof(buffer), "#%d", dive->number); - height_count = show_table_cell(0, cr, layout, colwidth, height_count, buffer, len, &curwidth, dy); + height_count = show_table_cell(0, cr, layout, colwidth, height_count, buffer, len, &curwidth, dy, paginate); // Col 2: Date # (1 + 1/6 of the regular width) utc_mkdate(dive->when, &tm); @@ -551,27 +556,27 @@ static int show_dive_table(struct dive *dive, cairo_t *cr, PangoLayout *layout, tm.tm_mday, tm.tm_year + 1900, tm.tm_hour, tm.tm_min ); - height_count = show_table_cell(1, cr, layout, colwidth, height_count, buffer, len, &curwidth, dy); + height_count = show_table_cell(1, cr, layout, colwidth, height_count, buffer, len, &curwidth, dy, paginate); // Col 3: Depth (1/2 width) depth = get_depth_units(dive->maxdepth.mm, &decimals, &unit); len = snprintf(buffer, sizeof(buffer), "%.*f %s", decimals, depth, unit); - height_count = show_table_cell(2, cr, layout, colwidth, height_count, buffer, len, &curwidth, dy); + height_count = show_table_cell(2, cr, layout, colwidth, height_count, buffer, len, &curwidth, dy, paginate); // Col 4: Duration (1/2 width) len = snprintf(buffer, sizeof(buffer), _("%d min"),(dive->duration.seconds + 59) / 60); - height_count = show_table_cell(3, cr, layout, colwidth, height_count, buffer, len, &curwidth, dy); + height_count = show_table_cell(3, cr, layout, colwidth, height_count, buffer, len, &curwidth, dy, paginate); // Col 5: Master - height_count = show_table_cell(4, cr, layout, colwidth, height_count, dive->divemaster ? : "", -1, &curwidth, dy); + height_count = show_table_cell(4, cr, layout, colwidth, height_count, dive->divemaster ? : "", -1, &curwidth, dy, paginate); // Col 6: Buddy - height_count = show_table_cell(5, cr, layout, colwidth, height_count, dive->buddy ? : "", -1, &curwidth, dy); + height_count = show_table_cell(5, cr, layout, colwidth, height_count, dive->buddy ? : "", -1, &curwidth, dy, paginate); // Col 7: Location - height_count = show_table_cell(6, cr, layout, colwidth, height_count, dive->location ? : "", -1, &curwidth, dy); + height_count = show_table_cell(6, cr, layout, colwidth, height_count, dive->location ? : "", -1, &curwidth, dy, paginate); /* Return the biggest column height, will be used to plot the frame and * and translate the next row */ @@ -731,28 +736,33 @@ static void draw_page(GtkPrintOperation *operation, pango_font_description_free(font); } -static void draw_table(GtkPrintOperation *operation, - GtkPrintContext *context, - gint page_nr, - gpointer user_data) +static void draw_table(GtkPrintOperation *operation, GtkPrintContext *context, gint page_nr, gpointer user_data) { int i, nr, maxwidth, maxheight; - int n_dive_per_page = 35; cairo_t *cr; - double w, h, max_ext, delta_y; + double w, h, max_ext, delta_y, y; struct dive *dive; PangoFontDescription *font; PangoLayout *layout; PangoRectangle logic_ext; + gboolean paginate = TRUE; + if (user_data) { + paginate = FALSE; + } else { + first_dive = realloc(first_dive, (page_nr + 1) * sizeof(int)); + first_dive[page_nr] = last_dive_paginated + 1; + } + nr = first_dive[page_nr]; cr = gtk_print_context_get_cairo_context(context); font = pango_font_description_from_string("Sans"); cairo_save(cr); w = gtk_print_context_get_width(context); - h = gtk_print_context_get_height(context)/(n_dive_per_page+1); + h = gtk_print_context_get_height(context); maxwidth = w * PANGO_SCALE; - maxheight = h * PANGO_SCALE * 0.9; + /* let's limit the height so we can fit at least 35 dives */ + maxheight = h * PANGO_SCALE * 0.9 / 35; layout = pango_cairo_create_layout(cr); pango_layout_set_height(layout, maxheight); @@ -763,9 +773,9 @@ static void draw_table(GtkPrintOperation *operation, /* We actually want to scale the text and the lines now */ cairo_scale(cr, 0.5, 0.5); - nr = page_nr*n_dive_per_page; pango_layout_get_extents(layout, NULL, &logic_ext); - cairo_translate (cr, w/10, 2 * logic_ext.height / (double) PANGO_SCALE); + cairo_translate (cr, w/10, 2.0 * logic_ext.height / PANGO_SCALE); + y = 2.0 * logic_ext.height / PANGO_SCALE; show_table_header(cr, layout, w*2); set_font(layout, font, FONT_NORMAL*1.2, PANGO_ALIGN_LEFT); /* We wanted the header ellipsized but not the data */ @@ -774,19 +784,25 @@ static void draw_table(GtkPrintOperation *operation, /* Get the height for an only line but move two down */ pango_layout_get_extents(layout, NULL, &logic_ext); delta_y = logic_ext.height; - cairo_translate (cr, 0, 2 * delta_y / (double) PANGO_SCALE); - - for (i = 0; i < n_dive_per_page; i++) { + cairo_translate (cr, 0, 2.0 * delta_y / PANGO_SCALE); + y += 2.0 * delta_y / PANGO_SCALE; + for (i = 0; i < dive_table.nr - nr; i++) { dive = get_dive_for_printing(nr+i); if (!dive) - return; + break; /* Write the dive data and get the max. height of the row */ - max_ext = show_dive_table(dive, cr, layout, w*2, delta_y / 4 / PANGO_SCALE); + max_ext = show_dive_table(dive, cr, layout, w*2, delta_y / 4 / PANGO_SCALE, paginate); /* Draw a frame for each row */ - print_table_frame (cr, -0.05, 0, w, (max_ext + delta_y / 2) / PANGO_SCALE); + if (user_data) + print_table_frame (cr, -0.05, 0, w, (max_ext + delta_y / 2) / PANGO_SCALE); /* and move down by the max. height of it */ cairo_translate (cr, 0, (max_ext + delta_y / 2) / PANGO_SCALE); + y += (max_ext + delta_y / 2) / PANGO_SCALE; + if (y > 1.9 * h) + break; } + if (paginate) + last_dive_paginated += i + 1; cairo_restore (cr); pango_font_description_free(font); g_object_unref (layout); @@ -817,7 +833,8 @@ static void begin_print(GtkPrintOperation *operation, gpointer user_data) } else if (print_options.type == TWOPERPAGE) { dives_per_page = 2; } else { - dives_per_page = 35; + /* set it to one page - gets update during pagination */ + dives_per_page = dives; } pages = (dives + dives_per_page - 1) / dives_per_page; gtk_print_operation_set_n_pages(operation, pages); @@ -896,6 +913,24 @@ static GtkWidget *print_dialog(GtkPrintOperation *operation, gpointer user_data) return vbox; } +static gboolean paginate(GtkPrintOperation *operation, GtkPrintContext *context, gpointer user_data) +{ + draw_table(operation, context, last_page_paginated++, NULL); + if (last_dive_paginated >= dive_table.nr) { + return TRUE; + } else { + gtk_print_operation_set_n_pages(operation, last_page_paginated + 1); + return FALSE; + } +} +static void end_print(GtkPrintOperation *operation, GtkPrintContext *context, gpointer user_data) +{ + if (first_dive) { + free(first_dive); + first_dive = 0; + } +} + static void print_dialog_apply(GtkPrintOperation *operation, GtkWidget *widget, gpointer user_data) { Print_params *print_params = g_slice_new(Print_params); @@ -914,7 +949,11 @@ static void print_dialog_apply(GtkPrintOperation *operation, GtkWidget *widget, print_params->rotation = 1; g_signal_connect(operation, "draw_page", G_CALLBACK(draw_page), print_params); } else { - g_signal_connect(operation, "draw_page", G_CALLBACK(draw_table), NULL); + g_signal_connect(operation, "draw_page", G_CALLBACK(draw_table), print_params); + g_signal_connect(operation, "paginate", G_CALLBACK(paginate), NULL); + g_signal_connect(operation, "end_print", G_CALLBACK(end_print), NULL); + last_page_paginated = 0; + last_dive_paginated = -1; } } } |