/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */ /* * GThumb * * Copyright (C) 2001, 2003 Free Software Foundation, Inc. * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Street #330, Boston, MA 02111-1307, USA. */ #include #include #include #include #include #include #include #include #include "catalog-png-exporter.h" #include "comments.h" #include "file-utils.h" #include "gthumb-init.h" #include "gthumb-marshal.h" #include "pixbuf-utils.h" #include "thumb-loader.h" #include "image-loader.h" #include "gthumb-slide.h" #include "glib-utils.h" #include "main.h" #include "gth-sort-utils.h" #include "gth-exif-utils.h" static void begin_export (CatalogPngExporter *ce); static void end_export (CatalogPngExporter *ce); static void begin_page (CatalogPngExporter *ce, int page_n); static void end_page (CatalogPngExporter *ce, int page_n); static void paint_frame (CatalogPngExporter *ce, GdkRectangle *frame_rect, GdkRectangle *image_rect, gchar *filename); static void paint_image (CatalogPngExporter *ce, GdkRectangle *image_rect, GdkPixbuf *image); static void paint_text (CatalogPngExporter *ce, const char *font_name, GdkColor *color, int x, int y, int width, const char *text, int *height); static void paint_comment (CatalogPngExporter *ce, int x, int y, char *text, int *height); static int get_text_height (CatalogPngExporter *ce, const char *text, const char *font_name, int width); static int get_header_height_with_spacing (CatalogPngExporter *ce); static int get_footer_height (CatalogPngExporter *ce); static int get_footer_height_with_spacing (CatalogPngExporter *ce); static void paint_footer (CatalogPngExporter *ce, int page_n); static char *get_footer_text (CatalogPngExporter *ce, int page_n); static char *get_header_text (CatalogPngExporter *ce, int page_n); #define HTML_PAGE_BEGIN "\ \n\ \n\ \n\ \n\ \n\ \n\ \n\ \n\

\n\ " #define HTML_PAGE_END "\

\n\ \n\ \n\ " #define COL_SPACING 15 #define ROW_SPACING 15 #define THUMB_FRAME_BORDER 8 #define TEXT_SPACING 3 #define CAPTION_MAX_ROWS 4 #define DEFAULT_FONT "Sans 12" typedef struct { FileData *file; char *comment; time_t exif_time; GdkPixbuf *thumb; int image_width; int image_height; char *caption_row[CAPTION_MAX_ROWS]; gboolean caption_set; } ImageData; #define IMAGE_DATA(x) ((ImageData*)(x)) static ImageData * image_data_new (FileData *file) { ImageData *idata; CommentData *cdata; int i; idata = g_new0 (ImageData, 1); idata->file = file_data_ref (file); cdata = comments_load_comment (file->path, TRUE); if (cdata != NULL) { idata->comment = comments_get_comment_as_string (cdata, "\n", "\n"); comment_data_free (cdata); } idata->thumb = NULL; idata->image_width = 0; idata->image_height = 0; for (i = 0; i < CAPTION_MAX_ROWS; i++) idata->caption_row[i] = NULL; idata->caption_set = FALSE; return idata; } static void image_data_free (ImageData *idata) { int i; g_free (idata->comment); file_data_unref (idata->file); if (idata->thumb) g_object_unref (G_OBJECT (idata->thumb)); for (i = 0; i < CAPTION_MAX_ROWS; i++) if (idata->caption_row[i] != NULL) g_free (idata->caption_row[i]); g_free (idata); } enum { PNG_EXPORTER_DONE, PNG_EXPORTER_PROGRESS, PNG_EXPORTER_INFO, LAST_SIGNAL }; static GObjectClass *parent_class = NULL; static guint catalog_png_exporter_signals[LAST_SIGNAL] = { 0 }; static void catalog_png_exporter_finalize (GObject *object) { CatalogPngExporter *ce; g_return_if_fail (IS_CATALOG_PNG_EXPORTER (object)); ce = CATALOG_PNG_EXPORTER (object); if (ce->location != NULL) { g_free (ce->location); ce->location = NULL; } if (ce->info != NULL) { g_free (ce->info); ce->info = NULL; } if (ce->name_template != NULL) { g_free (ce->name_template); ce->name_template = NULL; } if (ce->templatev != NULL) { g_strfreev (ce->templatev); ce->templatev = NULL; } if (ce->file_type != NULL) { g_free (ce->file_type); ce->file_type = NULL; } if (ce->file_list != NULL) { g_list_foreach (ce->file_list, (GFunc) image_data_free, NULL); g_list_free (ce->file_list); ce->file_list = NULL; } if (ce->created_files != NULL) { path_list_free (ce->created_files); ce->created_files = NULL; } if (ce->pages_height != NULL) { g_free (ce->pages_height); ce->pages_height = NULL; } if (ce->layout != NULL) { g_object_unref (ce->layout); ce->layout = NULL; } if (ce->context != NULL) { g_object_unref (ce->context); ce->context = NULL; } if (ce->caption_font_name != NULL) { g_free (ce->caption_font_name); ce->caption_font_name = NULL; } if (ce->header != NULL) { g_free (ce->header); ce->header = NULL; } if (ce->header_font_name != NULL) { g_free (ce->header_font_name); ce->header_font_name = NULL; } if (ce->footer != NULL) { g_free (ce->footer); ce->footer = NULL; } if (ce->footer_font_name != NULL) { g_free (ce->footer_font_name); ce->footer_font_name = NULL; } if (ce->iloader != NULL) { g_object_unref (ce->iloader); ce->iloader = NULL; } if (ce->imap_uri != NULL) { g_free (ce->imap_uri); ce->imap_uri = NULL; } /* Chain up */ G_OBJECT_CLASS (parent_class)->finalize (object); } static void catalog_png_exporter_class_init (CatalogPngExporterClass *class) { GObjectClass *object_class = G_OBJECT_CLASS (class); parent_class = g_type_class_peek_parent (class); catalog_png_exporter_signals[PNG_EXPORTER_DONE] = g_signal_new ("png_exporter_done", G_TYPE_FROM_CLASS (class), G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (CatalogPngExporterClass, png_exporter_done), NULL, NULL, g_cclosure_marshal_VOID__VOID, G_TYPE_NONE, 0); catalog_png_exporter_signals[PNG_EXPORTER_PROGRESS] = g_signal_new ("png_exporter_progress", G_TYPE_FROM_CLASS (class), G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (CatalogPngExporterClass, png_exporter_progress), NULL, NULL, gthumb_marshal_VOID__FLOAT, G_TYPE_NONE, 1, G_TYPE_FLOAT); catalog_png_exporter_signals[PNG_EXPORTER_INFO] = g_signal_new ("png_exporter_info", G_TYPE_FROM_CLASS (class), G_SIGNAL_RUN_LAST, G_STRUCT_OFFSET (CatalogPngExporterClass, png_exporter_info), NULL, NULL, gthumb_marshal_VOID__STRING, G_TYPE_NONE, 1, G_TYPE_STRING); object_class->finalize = catalog_png_exporter_finalize; } static void catalog_png_exporter_init (CatalogPngExporter *ce) { PangoFontDescription *font_desc; ce->file_list = NULL; ce->created_files = NULL; ce->page_width = 0; ce->page_height = 0; ce->all_pages_same_size = FALSE; ce->thumb_width = 0; ce->thumb_height = 0; ce->caption_font_name = NULL; ce->header = NULL; ce->header_font_name = NULL; ce->footer = NULL; ce->footer_font_name = NULL; ce->iloader = NULL; ce->file_to_load = NULL; ce->caption_fields = GTH_CAPTION_FILE_NAME; /* Colors. */ ce->page_use_solid_color = TRUE; ce->page_use_hgradient = FALSE; ce->page_use_vgradient = FALSE; ce->page_bg_color = 0xFFFFFFFF; ce->page_hgrad1 = 0xFFFFFFFF; ce->page_hgrad2 = 0xFFFFFFFF; ce->page_vgrad1 = 0xFFFFFFFF; ce->page_vgrad2 = 0xFFFFFFFF; ce->caption_color.red = 65535 * 0.0; ce->caption_color.green = 65535 * 0.0; ce->caption_color.blue = 65535 * 0.0; ce->frame_color.red = 65535 * 0.8; ce->frame_color.green = 65535 * 0.8; ce->frame_color.blue = 65535 * 0.8; ce->header_color.red = 65535 * 0.0; ce->header_color.green = 65535 * 0.0; ce->header_color.blue = 65535 * 0.0; ce->footer_color.red = 65535 * 0.0; ce->footer_color.green = 65535 * 0.0; ce->footer_color.blue = 65535 * 0.0; ce->frame_style = GTH_FRAME_STYLE_SIMPLE; ce->location = NULL; ce->name_template = NULL; ce->templatev = NULL; ce->file_type = g_strdup ("png"); ce->start_at = 1; ce->pages_height = NULL; ce->write_image_map = FALSE; ce->imap_handle = NULL; ce->imap_uri = NULL; ce->info = NULL; /* Context */ ce->context = gdk_pango_context_get (); pango_context_set_language (ce->context, gtk_get_default_language ()); /* Layout */ ce->layout = pango_layout_new (ce->context); pango_layout_set_alignment (ce->layout, PANGO_ALIGN_CENTER); pango_layout_set_wrap (ce->layout, PANGO_WRAP_WORD_CHAR); font_desc = pango_font_description_from_string (DEFAULT_FONT); pango_layout_set_font_description (ce->layout, font_desc); pango_font_description_free (font_desc); /**/ ce->exporting = FALSE; ce->interrupted = FALSE; } GType catalog_png_exporter_get_type () { static GType type = 0; if (! type) { GTypeInfo type_info = { sizeof (CatalogPngExporterClass), NULL, NULL, (GClassInitFunc) catalog_png_exporter_class_init, NULL, NULL, sizeof (CatalogPngExporter), 0, (GInstanceInitFunc) catalog_png_exporter_init }; type = g_type_register_static (G_TYPE_OBJECT, "CatalogPngExporter", &type_info, 0); } return type; } CatalogPngExporter * catalog_png_exporter_new (GList *file_list) { CatalogPngExporter *ce; GList *scan; ce = CATALOG_PNG_EXPORTER (g_object_new (CATALOG_PNG_EXPORTER_TYPE, NULL)); for (scan = file_list; scan; scan = scan->next) { ImageData *idata; idata = image_data_new ((FileData*) scan->data); ce->file_list = g_list_prepend (ce->file_list, idata); } ce->file_list = g_list_reverse (ce->file_list); return ce; } void catalog_png_exporter_set_location (CatalogPngExporter *ce, const char *location) { g_return_if_fail (IS_CATALOG_PNG_EXPORTER (ce)); g_free (ce->location); ce->location = g_strdup (location); } void catalog_png_exporter_set_name_template (CatalogPngExporter *ce, const char *template) { g_return_if_fail (IS_CATALOG_PNG_EXPORTER (ce)); if (ce->name_template) g_free (ce->name_template); ce->name_template = g_strdup (template); if (ce->templatev) g_strfreev (ce->templatev); ce->templatev = _g_get_template_from_text (ce->name_template); } void catalog_png_exporter_set_start_at (CatalogPngExporter *ce, int n) { g_return_if_fail (IS_CATALOG_PNG_EXPORTER (ce)); ce->start_at = n; } void catalog_png_exporter_set_file_type (CatalogPngExporter *ce, const char *file_type) { g_return_if_fail (IS_CATALOG_PNG_EXPORTER (ce)); g_return_if_fail (file_type != NULL); if (ce->file_type) g_free (ce->file_type); ce->file_type = g_strdup (file_type); } void catalog_png_exporter_set_page_size (CatalogPngExporter *ce, int width, int height) { g_return_if_fail (IS_CATALOG_PNG_EXPORTER (ce)); ce->page_width = width; ce->page_height = height; } void catalog_png_exporter_set_page_size_row_col (CatalogPngExporter *ce, int rows, int cols) { g_return_if_fail (IS_CATALOG_PNG_EXPORTER (ce)); ce->page_size_use_row_col = TRUE; ce->page_rows = rows; ce->page_cols = cols; } void catalog_png_exporter_all_pages_same_size (CatalogPngExporter *ce, gboolean same_size) { g_return_if_fail (IS_CATALOG_PNG_EXPORTER (ce)); ce->all_pages_same_size = same_size; } void catalog_png_exporter_set_thumb_size (CatalogPngExporter *ce, int width, int height) { g_return_if_fail (IS_CATALOG_PNG_EXPORTER (ce)); ce->thumb_width = width; ce->thumb_height = height; ce->frame_width = width + THUMB_FRAME_BORDER * 2; ce->frame_height = height + THUMB_FRAME_BORDER * 2; } void catalog_png_exporter_set_caption (CatalogPngExporter *ce, GthCaptionFields caption) { g_return_if_fail (IS_CATALOG_PNG_EXPORTER (ce)); ce->caption_fields = caption; } void catalog_png_exporter_set_caption_font (CatalogPngExporter *ce, char *font_name) { g_return_if_fail (IS_CATALOG_PNG_EXPORTER (ce)); if (ce->caption_font_name != NULL) { g_free (ce->caption_font_name); ce->caption_font_name = NULL; } if (font_name != NULL) ce->caption_font_name = g_strdup (font_name); } void catalog_png_exporter_set_caption_color (CatalogPngExporter *ce, char *value) { g_return_if_fail (IS_CATALOG_PNG_EXPORTER (ce)); pref_util_get_rgb_values (value, &ce->caption_color.red, &ce->caption_color.green, &ce->caption_color.blue); } void catalog_png_exporter_set_header (CatalogPngExporter *ce, char *header) { g_return_if_fail (IS_CATALOG_PNG_EXPORTER (ce)); if (ce->header != NULL) { g_free (ce->header); ce->header = NULL; } if (header != NULL) ce->header = g_strdup (header); } void catalog_png_exporter_set_header_font (CatalogPngExporter *ce, char *font) { g_return_if_fail (IS_CATALOG_PNG_EXPORTER (ce)); g_return_if_fail (font != NULL); if (ce->header_font_name != NULL) g_free (ce->header_font_name); ce->header_font_name = g_strdup (font); } void catalog_png_exporter_set_header_color (CatalogPngExporter *ce, char *value) { g_return_if_fail (IS_CATALOG_PNG_EXPORTER (ce)); pref_util_get_rgb_values (value, &ce->header_color.red, &ce->header_color.green, &ce->header_color.blue); } void catalog_png_exporter_set_footer (CatalogPngExporter *ce, char *footer) { g_return_if_fail (IS_CATALOG_PNG_EXPORTER (ce)); if (ce->footer != NULL) { g_free (ce->footer); ce->footer = NULL; } if (footer != NULL) ce->footer = g_strdup (footer); } void catalog_png_exporter_set_footer_font (CatalogPngExporter *ce, char *font) { g_return_if_fail (IS_CATALOG_PNG_EXPORTER (ce)); g_return_if_fail (font != NULL); if (ce->footer_font_name != NULL) g_free (ce->footer_font_name); ce->footer_font_name = g_strdup (font); } void catalog_png_exporter_set_footer_color (CatalogPngExporter *ce, char *value) { g_return_if_fail (IS_CATALOG_PNG_EXPORTER (ce)); pref_util_get_rgb_values (value, &ce->footer_color.red, &ce->footer_color.green, &ce->footer_color.blue); } void catalog_png_exporter_set_page_color (CatalogPngExporter *ce, gboolean use_solid_col, gboolean use_hgrad, gboolean use_vgrad, guint32 bg_color, guint32 hgrad1, guint32 hgrad2, guint32 vgrad1, guint32 vgrad2) { g_return_if_fail (IS_CATALOG_PNG_EXPORTER (ce)); ce->page_use_solid_color = use_solid_col; ce->page_use_hgradient = use_hgrad; ce->page_use_vgradient = use_vgrad; ce->page_bg_color = bg_color; ce->page_hgrad1 = hgrad1; ce->page_hgrad2 = hgrad2; ce->page_vgrad1 = vgrad1; ce->page_vgrad2 = vgrad2; } void catalog_png_exporter_set_frame_color (CatalogPngExporter *ce, char *value) { g_return_if_fail (IS_CATALOG_PNG_EXPORTER (ce)); pref_util_get_rgb_values (value, &ce->frame_color.red, &ce->frame_color.green, &ce->frame_color.blue); } void catalog_png_exporter_set_frame_style (CatalogPngExporter *ce, GthFrameStyle style) { g_return_if_fail (IS_CATALOG_PNG_EXPORTER (ce)); ce->frame_style = style; } void catalog_png_exporter_write_image_map (CatalogPngExporter *ce, gboolean do_write) { g_return_if_fail (IS_CATALOG_PNG_EXPORTER (ce)); ce->write_image_map = do_write; } void catalog_png_exporter_set_sort_method (CatalogPngExporter *ce, GthSortMethod method) { g_return_if_fail (IS_CATALOG_PNG_EXPORTER (ce)); ce->sort_method = method; } void catalog_png_exporter_set_sort_type (CatalogPngExporter *ce, GtkSortType sort_type) { g_return_if_fail (IS_CATALOG_PNG_EXPORTER (ce)); ce->sort_type = sort_type; } static int get_max_text_height (CatalogPngExporter *ce, GList *first_item, GList *last_item) { int max_height = 0; GList *scan; for (scan = first_item; scan != last_item; scan = scan->next) { char *font = ce->caption_font_name; char **row = IMAGE_DATA (scan->data)->caption_row; int not_empty = 0; int tmp; tmp = 0; tmp += row[0] ? not_empty++, get_text_height (ce, row[0], font, ce->thumb_width) : 0; tmp += row[1] ? not_empty++, get_text_height (ce, row[1], font, ce->thumb_width) : 0; tmp += row[2] ? not_empty++, get_text_height (ce, row[2], font, ce->thumb_width) : 0; tmp += row[3] ? not_empty++, get_text_height (ce, row[3], font, ce->thumb_width) : 0; tmp += not_empty * TEXT_SPACING; max_height = MAX (max_height, tmp); } return max_height; } static void set_item_caption (CatalogPngExporter *ce, ImageData *idata) { int row = 0; if (idata->caption_set) return; if ((ce->caption_fields & GTH_CAPTION_COMMENT) && (idata->comment != NULL)) idata->caption_row[row++] = g_strdup (idata->comment); if ((ce->caption_fields & GTH_CAPTION_FILE_PATH) && (ce->caption_fields & GTH_CAPTION_FILE_NAME)) { char *utf8_name = gnome_vfs_unescape_string_for_display (idata->file->path); idata->caption_row[row++] = utf8_name; } else { if (ce->caption_fields & GTH_CAPTION_FILE_PATH) { char *path = remove_level_from_path (idata->file->path); char *utf8_name = gnome_vfs_unescape_string_for_display (path); idata->caption_row[row++] = utf8_name; g_free (path); } else if (ce->caption_fields & GTH_CAPTION_FILE_NAME) { const char *name = file_name_from_path (idata->file->path); char *utf8_name = gnome_vfs_unescape_string_for_display (name); idata->caption_row[row++] = utf8_name; } } if (ce->caption_fields & GTH_CAPTION_FILE_SIZE) idata->caption_row[row++] = gnome_vfs_format_file_size_for_display (idata->file->size); if (ce->caption_fields & GTH_CAPTION_IMAGE_DIM) idata->caption_row[row++] = g_strdup_printf ( _("%d x %d pixels"), idata->image_width, idata->image_height); idata->caption_set = TRUE; } static gint get_page_height (CatalogPngExporter *ce, int page_n) { int page_height = 0; if (ce->page_size_use_row_col && ! ce->all_pages_same_size) page_height = ce->pages_height[page_n - 1]; else page_height = ce->page_height; return page_height; } static void copy_current_file_to_destination (CatalogPngExporter *ce); static void copy_current_file_to_destination_done (const char *uri, GnomeVFSResult result, gpointer data) { CatalogPngExporter *ce = data; ce->current_file = ce->current_file->next; copy_current_file_to_destination (ce); } static void copy_current_file_to_destination (CatalogPngExporter *ce) { FileData *file; if (ce->current_file == NULL) { end_export (ce); return; } g_signal_emit (G_OBJECT (ce), catalog_png_exporter_signals[PNG_EXPORTER_PROGRESS], 0, ((float) ++ce->n_files_done) / (ce->n_files + 1)); file = file_data_new ((char*) ce->current_file->data, NULL); update_file_from_cache (file, copy_current_file_to_destination_done, ce); file_data_unref (file); } static void copy_created_files_to_destination (CatalogPngExporter *ce) { g_free (ce->info); ce->info = g_strdup (_("Saving images")); g_signal_emit (G_OBJECT (ce), catalog_png_exporter_signals[PNG_EXPORTER_INFO], 0, ce->info); ce->n_files_done = 0; ce->n_files = g_list_length (ce->created_files); ce->current_file = ce->created_files; copy_current_file_to_destination (ce); } static void export (CatalogPngExporter *ce) { int cols; int i; int x, y; GList *scan_file, *row_first_item, *row_last_item, *scan_row; int page_n = 0; gboolean first_row; ImageData *idata; int page_height; int header_height; int footer_height; cols = ((ce->page_width - COL_SPACING) / (ce->frame_width + COL_SPACING)); begin_export (ce); first_row = TRUE; begin_page (ce, ++page_n); page_height = get_page_height (ce, page_n); header_height = get_header_height_with_spacing (ce); footer_height = get_footer_height_with_spacing (ce); y = ROW_SPACING; scan_file = ce->file_list; idata = (ImageData*) scan_file->data; do { int row_height; if (ce->interrupted) { if (ce->file_list != NULL) { g_list_foreach (ce->file_list, (GFunc) image_data_free, NULL); g_list_free (ce->file_list); ce->file_list = NULL; } goto label_end; } /* get items to paint. */ row_first_item = scan_file; row_last_item = NULL; for (i = 0; i < cols; i++) { if (scan_file == NULL) { cols = i; break; } set_item_caption (ce, idata); row_last_item = scan_file = scan_file->next; if (scan_file != NULL) idata = (ImageData*) scan_file->data; } if (cols == 0) { paint_footer (ce, page_n); end_page (ce, page_n); goto label_end; } /* check whether the row fit the current page. */ row_height = (ce->frame_height + get_max_text_height (ce, row_first_item, row_last_item) + ROW_SPACING); while (y + row_height > (ce->page_height - (first_row ? header_height : 0) - footer_height)) { if (first_row == TRUE) { /* this row has an height greater than the * page height, close and exit. */ goto label_end; } /* the row does not fit this page, create a new * page. */ if (page_n > 0) { paint_footer (ce, page_n); end_page (ce, page_n); } first_row = TRUE; begin_page (ce, ++page_n); page_height = get_page_height (ce, page_n); header_height = get_header_height_with_spacing (ce); footer_height = get_footer_height_with_spacing (ce); y = ROW_SPACING; } /* paint the header. */ if (first_row && (ce->header != NULL)) { char *text; text = get_header_text (ce, page_n); paint_text (ce, ce->header_font_name, &ce->header_color, 0, y, ce->page_width - COL_SPACING, text, NULL); g_free (text); y += header_height; } /* paint the row. */ x = COL_SPACING; for (scan_row = row_first_item; scan_row != row_last_item; scan_row = scan_row->next) { GdkPixbuf *pixbuf; char **row; int y1, h, i; GdkRectangle frame_rect, image_rect; ImageData *row_idata = IMAGE_DATA (scan_row->data); row = row_idata->caption_row; frame_rect.x = x; frame_rect.y = y; frame_rect.width = ce->frame_width; frame_rect.height = ce->frame_height; pixbuf = row_idata->thumb; if (pixbuf != NULL) { int twidth, theight; twidth = gdk_pixbuf_get_width (pixbuf); theight = gdk_pixbuf_get_height (pixbuf); image_rect.x = x + (ce->frame_width - twidth) / 2 + 1; image_rect.y = y + (ce->frame_height - theight) / 2 + 1; image_rect.width = twidth; image_rect.height = theight; paint_frame (ce, &frame_rect, &image_rect, row_idata->file->path); paint_image (ce, &image_rect, pixbuf); } y1 = y + ce->frame_height + TEXT_SPACING; for (i = 0; i < 4; i++) { if (row[i] == NULL) continue; if ((i == 0) && (ce->caption_fields & GTH_CAPTION_COMMENT) && (row_idata->comment != NULL)) paint_comment (ce, x, y1, row[i], &h); else paint_text (ce, ce->caption_font_name, &ce->caption_color, x, y1, ce->thumb_width, row[i], &h); y1 += h + TEXT_SPACING; } x += ce->frame_width + COL_SPACING; } y += row_height; first_row = FALSE; } while (TRUE); label_end: copy_created_files_to_destination (ce); } static void compute_pages_n (CatalogPngExporter *ce) { int cols, i, y; GList *scan_file, *row_first_item, *row_last_item; gboolean first_row; ImageData *idata; int page_height; int header_height; int footer_height; ce->pages_n = 0; cols = ((ce->page_width - COL_SPACING) / (ce->frame_width + COL_SPACING)); first_row = TRUE; page_height = get_page_height (ce, ce->pages_n); header_height = get_header_height_with_spacing (ce); footer_height = get_footer_height_with_spacing (ce); y = ROW_SPACING; scan_file = ce->file_list; idata = (ImageData*) scan_file->data; do { int row_height; /* get items to paint. */ row_first_item = scan_file; row_last_item = NULL; for (i = 0; i < cols; i++) { if (scan_file == NULL) { cols = i; break; } set_item_caption (ce, idata); row_last_item = scan_file = scan_file->next; if (scan_file != NULL) idata = (ImageData*) scan_file->data; } if (cols == 0) break; /* check whether the row fit the current page. */ row_height = (ce->frame_height + get_max_text_height (ce, row_first_item, row_last_item) + ROW_SPACING); while (y + row_height > (ce->page_height - (first_row ? header_height : 0) - footer_height)) { if (first_row == TRUE) { /* this row has an height greater than the * page height, close and exit. */ ce->pages_n = 0; return; } /* the row does not fit this page, create a new * page. */ ce->pages_n++; first_row = TRUE; page_height = get_page_height (ce, ce->pages_n); header_height = get_header_height_with_spacing (ce); footer_height = get_footer_height_with_spacing (ce); y = ROW_SPACING; } /* paint the header. */ if (first_row && (ce->header != NULL)) y += header_height; /* paint the row. */ y += row_height; first_row = FALSE; } while (TRUE); ce->pages_n++; } static void compute_pages_size (CatalogPngExporter *ce) { GList *scan_file, *row_first_item, *row_last_item; int cols, rows; int c, r; int pages; ImageData *idata; ce->page_width = COL_SPACING + ce->page_cols * (ce->frame_width + COL_SPACING); ce->page_height = 0; cols = ce->page_cols; rows = ce->page_rows; pages = ce->n_files / (cols * rows) + 2; ce->pages_height = g_new (int, pages); ce->pages_n = 0; scan_file = ce->file_list; idata = (ImageData*) scan_file->data; do { int row_height; int page_height; page_height = ROW_SPACING; /* header */ page_height += get_header_height_with_spacing (ce); /* images */ for (r = 0; r < rows; r++) { /* get row items. */ row_first_item = scan_file; row_last_item = NULL; for (c = 0; c < cols; c++) { if (scan_file == NULL) { cols = c; break; } set_item_caption (ce, idata); row_last_item = scan_file = scan_file->next; if (scan_file != NULL) idata = (ImageData*) scan_file->data; } if (cols == 0) break; row_height = (ce->frame_height + get_max_text_height (ce, row_first_item, row_last_item) + ROW_SPACING); page_height += row_height; } /* footer */ page_height += get_footer_height_with_spacing (ce); /**/ ce->pages_height[ce->pages_n] = page_height; ce->page_height = MAX (ce->page_height, page_height); ce->pages_n++; } while (scan_file != NULL); } static gint comp_func_name (gconstpointer a, gconstpointer b) { ImageData *data_a, *data_b; data_a = IMAGE_DATA (a); data_b = IMAGE_DATA (b); return gth_sort_by_filename_but_ignore_path (data_a->file->path, data_b->file->path); } static gint comp_func_path (gconstpointer a, gconstpointer b) { ImageData *data_a, *data_b; data_a = IMAGE_DATA (a); data_b = IMAGE_DATA (b); return gth_sort_by_full_path (data_a->file->path, data_b->file->path); } static int comp_func_comment (gconstpointer a, gconstpointer b) { ImageData *data_a, *data_b; data_a = IMAGE_DATA (a); data_b = IMAGE_DATA (b); return gth_sort_by_comment_then_name (data_a->comment, data_b->comment, data_a->file->path, data_b->file->path); } static gint comp_func_time (gconstpointer a, gconstpointer b) { ImageData *data_a, *data_b; data_a = IMAGE_DATA (a); data_b = IMAGE_DATA (b); return gth_sort_by_filetime_then_name (data_a->file->mtime, data_b->file->mtime, data_a->file->path, data_b->file->path); } static gint comp_func_exif_date (gconstpointer a, gconstpointer b) { ImageData *data_a, *data_b; data_a = IMAGE_DATA (a); data_b = IMAGE_DATA (b); return gth_sort_by_filetime_then_name (data_a->exif_time, data_b->exif_time, data_a->file->path, data_b->file->path); } static gint comp_func_size (gconstpointer a, gconstpointer b) { ImageData *data_a, *data_b; data_a = IMAGE_DATA (a); data_b = IMAGE_DATA (b); return gth_sort_by_size_then_name (data_a->file->size, data_b->file->size, data_a->file->path, data_b->file->path); } static GCompareFunc get_sortfunc (CatalogPngExporter *ce) { GCompareFunc func; switch (ce->sort_method) { case GTH_SORT_METHOD_BY_NAME: func = comp_func_name; break; case GTH_SORT_METHOD_BY_TIME: func = comp_func_time; break; case GTH_SORT_METHOD_BY_SIZE: func = comp_func_size; break; case GTH_SORT_METHOD_BY_PATH: func = comp_func_path; break; case GTH_SORT_METHOD_BY_COMMENT: func = comp_func_comment; break; case GTH_SORT_METHOD_BY_EXIF_DATE: func = comp_func_exif_date; break; case GTH_SORT_METHOD_NONE: func = gth_sort_none; break; default: func = gth_sort_none; break; } return func; } static void load_next_file (CatalogPngExporter *ce) { ImageData *idata; if (ce->interrupted) { if (ce->file_list != NULL) { g_list_foreach (ce->file_list, (GFunc) image_data_free, NULL); g_list_free (ce->file_list); ce->file_list = NULL; } g_signal_emit (G_OBJECT (ce), catalog_png_exporter_signals[PNG_EXPORTER_DONE], 0); return; } g_signal_emit (G_OBJECT (ce), catalog_png_exporter_signals[PNG_EXPORTER_PROGRESS], 0, ((float) ++ce->n_files_done) / (ce->n_files + 1)); ce->file_to_load = ce->file_to_load->next; if (ce->file_to_load == NULL) { /* sort list */ ce->file_list = g_list_sort (ce->file_list, get_sortfunc (ce)); if (ce->sort_type == GTK_SORT_DESCENDING) ce->file_list = g_list_reverse (ce->file_list); /* compute the page size if needed. */ if (ce->page_size_use_row_col) compute_pages_size (ce); else compute_pages_n (ce); export (ce); return; } /* load the file */ idata = IMAGE_DATA (ce->file_to_load->data); g_free (ce->info); ce->info = g_strdup_printf (_("Loading image: %s"), idata->file->display_name); g_signal_emit (G_OBJECT (ce), catalog_png_exporter_signals[PNG_EXPORTER_INFO], 0, ce->info); image_loader_set_file (ce->iloader, idata->file); image_loader_start (ce->iloader); } static void image_loader_done (ImageLoader *iloader, gpointer data) { CatalogPngExporter *ce = data; GdkPixbuf *pixbuf; ImageData *idata; idata = (ImageData*) ce->file_to_load->data; /* image width and height. */ pixbuf = image_loader_get_pixbuf (iloader); idata->image_width = gdk_pixbuf_get_width (pixbuf); idata->image_height = gdk_pixbuf_get_height (pixbuf); /* time in exif tag, if present */ idata->exif_time = get_metadata_time (NULL, idata->file->path); /* thumbnail. */ idata->thumb = pixbuf = image_loader_get_pixbuf (iloader); g_object_ref (idata->thumb); if ((ce->thumb_width > 0) && (ce->thumb_height > 0)) { int w = gdk_pixbuf_get_width (pixbuf); int h = gdk_pixbuf_get_height (pixbuf); if (scale_keepping_ratio (&w, &h, ce->thumb_width, ce->thumb_height)) { GdkPixbuf *scaled; scaled = gdk_pixbuf_scale_simple (pixbuf, w, h, GDK_INTERP_BILINEAR); g_object_unref (idata->thumb); idata->thumb = scaled; } } load_next_file (ce); } static void image_loader_error (ImageLoader *iloader, gpointer data) { CatalogPngExporter *ce = data; load_next_file (ce); } void catalog_png_exporter_export (CatalogPngExporter *ce) { g_return_if_fail (IS_CATALOG_PNG_EXPORTER (ce)); g_return_if_fail (ce->page_size_use_row_col || ce->page_width != 0); g_return_if_fail (ce->page_size_use_row_col || ce->page_height != 0); g_return_if_fail (ce->thumb_width != 0); g_return_if_fail (ce->thumb_height != 0); if (ce->exporting) return; if (ce->file_list == NULL) return; ce->exporting = TRUE; if (ce->iloader != NULL) g_object_unref (ce->iloader); if (ce->created_files != NULL) { path_list_free (ce->created_files); ce->created_files = NULL; } ce->iloader = IMAGE_LOADER (image_loader_new (FALSE)); g_signal_connect (G_OBJECT (ce->iloader), "image_done", G_CALLBACK (image_loader_done), ce); g_signal_connect (G_OBJECT (ce->iloader), "image_error", G_CALLBACK (image_loader_error), ce); ce->n_files = g_list_length (ce->file_list); ce->n_files_done = 0; ce->file_to_load = ce->file_list; image_loader_set_file (ce->iloader, IMAGE_DATA (ce->file_to_load->data)->file); image_loader_start (ce->iloader); } void catalog_png_exporter_interrupt (CatalogPngExporter *ce) { g_return_if_fail (IS_CATALOG_PNG_EXPORTER (ce)); if (! ce->exporting) return; ce->interrupted = TRUE; } /* ----- */ static void begin_export (CatalogPngExporter *ce) { ce->pixmap = gdk_pixmap_new (gdk_get_default_root_window (), ce->page_width, ce->page_height, -1); ce->gc = gdk_gc_new (ce->pixmap); gdk_color_parse ("#777777", &ce->black); gdk_color_parse ("#AAAAAA", &ce->dark_gray); gdk_color_parse ("#CCCCCC", &ce->gray); gdk_color_parse ("#FFFFFF", &ce->white); gdk_pango_context_set_colormap (ce->context, ce->gc->colormap); } static void end_export (CatalogPngExporter *ce) { if (ce->created_files != NULL) { all_windows_remove_monitor (); all_windows_notify_files_created (ce->created_files); all_windows_add_monitor (); path_list_free (ce->created_files); ce->created_files = NULL; } g_object_unref (G_OBJECT (ce->gc)); g_object_unref (G_OBJECT (ce->pixmap)); g_signal_emit (G_OBJECT (ce), catalog_png_exporter_signals[PNG_EXPORTER_DONE], 0); } static void paint_background (CatalogPngExporter *ce, int width, int height) { GdkPixbuf *pixbuf; pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, TRUE, 8, width, height); if (ce->page_use_solid_color) gdk_pixbuf_fill (pixbuf, ce->page_bg_color); else { GdkPixbuf *tmp; tmp = gdk_pixbuf_new (GDK_COLORSPACE_RGB, 1, 8, width, height); gdk_pixbuf_fill (tmp, 0xFFFFFFFF); if (ce->page_use_hgradient && ce->page_use_vgradient) _gdk_pixbuf_hv_gradient (tmp, ce->page_hgrad1, ce->page_hgrad2, ce->page_vgrad1, ce->page_vgrad2); else if (ce->page_use_hgradient) _gdk_pixbuf_horizontal_gradient (tmp, ce->page_hgrad1, ce->page_hgrad2); else if (ce->page_use_vgradient) _gdk_pixbuf_vertical_gradient (tmp, ce->page_vgrad1, ce->page_vgrad2); gdk_pixbuf_composite (tmp, pixbuf, 0, 0, width, height, 0, 0, 1.0, 1.0, GDK_INTERP_NEAREST, 255); g_object_unref (tmp); } gdk_draw_rgb_32_image_dithalign (ce->pixmap, ce->gc, 0, 0, width, height, GDK_RGB_DITHER_MAX, gdk_pixbuf_get_pixels (pixbuf), gdk_pixbuf_get_rowstride (pixbuf), 0, 0); g_object_unref (pixbuf); } static void begin_page (CatalogPngExporter *ce, int page_n) { GnomeVFSURI *vfs_uri; GnomeVFSResult result; GnomeVFSFileSize temp; int width, height; char *local_file; char *filename; char *name; char *line; char *utf8_name; g_signal_emit (G_OBJECT (ce), catalog_png_exporter_signals[PNG_EXPORTER_PROGRESS], 0, ((float) page_n) / ce->pages_n); width = ce->page_width; height = get_page_height (ce, page_n); paint_background (ce, width, height); /* info */ g_free (ce->info); filename = _g_get_name_from_template (ce->templatev, ce->start_at + page_n - 1); utf8_name = gnome_vfs_unescape_string_for_display (filename); ce->info = g_strdup_printf (_("Creating image: %s.%s"), utf8_name, ce->file_type); g_free (utf8_name); g_free (filename); g_signal_emit (G_OBJECT (ce), catalog_png_exporter_signals[PNG_EXPORTER_INFO], 0, ce->info); /* image map file. */ if (! ce->write_image_map) return; g_free (ce->imap_uri); ce->imap_uri = NULL; ce->imap_handle = NULL; name = _g_get_name_from_template (ce->templatev, ce->start_at + page_n - 1); ce->imap_uri = g_strconcat (ce->location, "/", name, ".html", NULL); local_file = get_cache_uri_from_uri (ce->imap_uri); vfs_uri = new_uri_from_path (local_file); g_free (local_file); if (vfs_uri == NULL) { g_warning ("URI not valid: %s", local_file); return; } result = gnome_vfs_create_uri (&ce->imap_handle, vfs_uri, GNOME_VFS_OPEN_WRITE, FALSE, 0664); gnome_vfs_uri_unref (vfs_uri); if (result != GNOME_VFS_OK) { g_warning ("Cannot create file %s", ce->imap_uri); return; } gnome_vfs_write (ce->imap_handle, HTML_PAGE_BEGIN, strlen (HTML_PAGE_BEGIN), &temp); filename = g_strconcat (name, ".", ce->file_type, NULL); line = g_strdup_printf (" $\"%s\"$ \n", filename, width, height, filename); gnome_vfs_write (ce->imap_handle, line, strlen (line), &temp); g_free (line); g_free (filename); line = g_strdup_printf ("\n"); gnome_vfs_write (ce->imap_handle, line, strlen (line), &temp); g_free (line); } static void end_page (CatalogPngExporter *ce, int page_n) { GdkPixbuf *pixbuf; char *name; char *uri; char *local_file; int width, height; GnomeVFSFileSize temp; char *line; width = ce->page_width; height = get_page_height (ce, page_n); pixbuf = gdk_pixbuf_get_from_drawable (NULL, ce->pixmap, gdk_colormap_get_system (), 0, 0, 0, 0, width, height); name = _g_get_name_from_template (ce->templatev, ce->start_at + page_n - 1); uri = g_strconcat (ce->location, "/", name, ".", ce->file_type, NULL); local_file = get_cache_filename_from_uri (uri); if (strcmp (ce->file_type, "jpeg") == 0) _gdk_pixbuf_save (pixbuf, local_file, "jpeg", NULL, "quality", "85", NULL); else _gdk_pixbuf_save (pixbuf, local_file, ce->file_type, NULL, NULL); ce->created_files = g_list_prepend (ce->created_files, uri); g_free (local_file); g_free (name); g_object_unref (pixbuf); /* image map file. */ if (! ce->write_image_map || (ce->imap_handle == NULL)) return; line = g_strdup_printf ("\n"); gnome_vfs_write (ce->imap_handle, line, strlen (line), &temp); gnome_vfs_write (ce->imap_handle, HTML_PAGE_END, strlen (HTML_PAGE_END), &temp); gnome_vfs_close (ce->imap_handle); ce->created_files = g_list_prepend (ce->created_files, g_strdup (ce->imap_uri)); g_free (line); } static void paint_frame (CatalogPngExporter *ce, GdkRectangle *frame_rect, GdkRectangle *image_rect, gchar *filename) { GnomeVFSFileSize temp; char *unescaped_path, *attr_path; char *line; char *rel_path; char *dest_dir; switch (ce->frame_style) { case GTH_FRAME_STYLE_NONE: break; case GTH_FRAME_STYLE_SLIDE: gthumb_draw_slide_with_colors (frame_rect->x, frame_rect->y, frame_rect->width, frame_rect->height, image_rect->width, image_rect->height, ce->pixmap, &ce->frame_color, &ce->black, &ce->dark_gray, &ce->gray, &ce->white); break; case GTH_FRAME_STYLE_SIMPLE: case GTH_FRAME_STYLE_SHADOW: case GTH_FRAME_STYLE_SIMPLE_WITH_SHADOW: if (ce->frame_style == GTH_FRAME_STYLE_SHADOW) gthumb_draw_image_shadow (image_rect->x, image_rect->y, image_rect->width, image_rect->height, ce->pixmap); if (ce->frame_style == GTH_FRAME_STYLE_SIMPLE_WITH_SHADOW) gthumb_draw_frame_shadow (image_rect->x, image_rect->y, image_rect->width, image_rect->height, ce->pixmap); if ((ce->frame_style == GTH_FRAME_STYLE_SIMPLE) || (ce->frame_style == GTH_FRAME_STYLE_SIMPLE_WITH_SHADOW)) { gthumb_draw_frame (image_rect->x, image_rect->y, image_rect->width, image_rect->height, ce->pixmap, &ce->frame_color); } break; case GTH_FRAME_STYLE_SHADOW_IN: gthumb_draw_image_shadow_in (image_rect->x, image_rect->y, image_rect->width, image_rect->height, ce->pixmap); break; case GTH_FRAME_STYLE_SHADOW_OUT: gthumb_draw_image_shadow_out (image_rect->x, image_rect->y, image_rect->width, image_rect->height, ce->pixmap); break; } /* image map file. */ if (! ce->write_image_map || (ce->imap_handle == NULL)) return; dest_dir = remove_special_dirs_from_path (ce->location); rel_path = get_path_relative_to_uri (filename, dest_dir); g_free (dest_dir); unescaped_path = gnome_vfs_unescape_string (rel_path, NULL); attr_path = _g_escape_text_for_html (unescaped_path, -1); g_free (unescaped_path); line = g_strdup_printf ("\n", frame_rect->x, frame_rect->y, frame_rect->x + frame_rect->width, frame_rect->y + frame_rect->height, rel_path, attr_path); g_free (rel_path); g_free (attr_path); gnome_vfs_write (ce->imap_handle, line, strlen (line), &temp); g_free (line); } static void paint_image (CatalogPngExporter *ce, GdkRectangle *image_rect, GdkPixbuf *image) { gint x, y, width, height; x = image_rect->x; y = image_rect->y; width = image_rect->width; height = image_rect->height; if (gdk_pixbuf_get_has_alpha (image)) { gdk_gc_set_rgb_fg_color (ce->gc, &ce->white); gdk_draw_rectangle (ce->pixmap, ce->gc, TRUE, x, y, width, height); gdk_pixbuf_render_to_drawable_alpha (image, ce->pixmap, 0, 0, x, y, width, height, GDK_PIXBUF_ALPHA_BILEVEL, 112, GDK_RGB_DITHER_MAX, 0, 0); } else gdk_pixbuf_render_to_drawable (image, ce->pixmap, ce->gc, 0, 0, x, y, width, height, GDK_RGB_DITHER_MAX, 0, 0); } static void paint_text (CatalogPngExporter *ce, const char *font_name, GdkColor *color, int x, int y, int width, const char *utf8_text, int *height) { PangoFontDescription *font_desc; PangoRectangle bounds; if (font_name) font_desc = pango_font_description_from_string (font_name); else font_desc = pango_font_description_from_string (DEFAULT_FONT); pango_layout_set_font_description (ce->layout, font_desc); x += THUMB_FRAME_BORDER; pango_layout_set_text (ce->layout, utf8_text, -1); pango_layout_set_width (ce->layout, width * PANGO_SCALE); pango_layout_get_pixel_extents (ce->layout, NULL, &bounds); gdk_gc_set_rgb_fg_color (ce->gc, color); gdk_draw_layout_with_colors (ce->pixmap, ce->gc, x, y, ce->layout, color, NULL); #if 0 gdk_draw_rectangle (ce->pixmap, ce->gc, FALSE, x, y, width, bounds.height); #endif if (font_desc) pango_font_description_free (font_desc); if (height != NULL) *height = bounds.height; } static void paint_comment (CatalogPngExporter *ce, int x, int y, char *utf8_text, int *height) { PangoRectangle bounds; const char *font_name; char *escaped_text; char *marked_text; char *parsed_text; PangoAttrList *original_attr_list; PangoAttrList *attr_list; PangoFontDescription *font_desc; GError *error = NULL; font_name = ce->caption_font_name; if (font_name) font_desc = pango_font_description_from_string (font_name); else font_desc = pango_font_description_from_string (DEFAULT_FONT); pango_layout_set_font_description (ce->layout, font_desc); original_attr_list = pango_layout_get_attributes (ce->layout); if (original_attr_list != NULL) pango_attr_list_ref (original_attr_list); x += THUMB_FRAME_BORDER; escaped_text = g_markup_escape_text (utf8_text, -1); marked_text = g_strdup_printf ("%s", escaped_text); g_free (escaped_text); if (! pango_parse_markup (marked_text, -1, 0, &attr_list, &parsed_text, NULL, &error)) { g_warning ("Failed to set text from markup due to error parsing markup: %s\nThis is the text that caused the error: %s", error->message, utf8_text); g_error_free (error); g_free (marked_text); pango_attr_list_unref (original_attr_list); return; } g_free (marked_text); pango_layout_set_attributes (ce->layout, attr_list); pango_attr_list_unref (attr_list); /**/ pango_layout_set_text (ce->layout, parsed_text, -1); g_free (parsed_text); pango_layout_set_width (ce->layout, ce->thumb_width * PANGO_SCALE); pango_layout_get_pixel_extents (ce->layout, NULL, &bounds); gdk_gc_set_rgb_fg_color (ce->gc, &ce->caption_color); gdk_draw_layout_with_colors (ce->pixmap, ce->gc, x, y, ce->layout, &ce->caption_color, NULL); *height = bounds.height; /**/ if (font_desc) pango_font_description_free (font_desc); pango_layout_set_attributes (ce->layout, original_attr_list); if (original_attr_list != NULL) pango_attr_list_unref (original_attr_list); } static void paint_footer (CatalogPngExporter *ce, int page_n) { if (ce->footer != NULL) { char *text; int y; text = get_footer_text (ce, page_n); y = get_page_height (ce, page_n) - get_footer_height (ce) - ROW_SPACING / 2; paint_text (ce, ce->footer_font_name, &ce->footer_color, 0, y, ce->page_width - COL_SPACING, text, NULL); g_free (text); } } static int get_text_height (CatalogPngExporter *ce, const char *text, const char *font_name, int width) { PangoFontDescription *font_desc; PangoRectangle bounds; char *utf8_text; if (font_name) font_desc = pango_font_description_from_string (font_name); else font_desc = pango_font_description_from_string (DEFAULT_FONT); pango_layout_set_font_description (ce->layout, font_desc); pango_layout_set_width (ce->layout, width * PANGO_SCALE); utf8_text = g_locale_to_utf8 (text, -1, NULL, NULL, NULL); pango_layout_set_text (ce->layout, utf8_text, -1); g_free (utf8_text); pango_layout_get_pixel_extents (ce->layout, NULL, &bounds); if (font_desc) pango_font_description_free (font_desc); return bounds.height; } static int get_header_height_with_spacing (CatalogPngExporter *ce) { if (ce->header != NULL) return get_text_height (ce, ce->header, ce->header_font_name, ce->page_width) + (ROW_SPACING * 2); else return 0; } static int get_footer_height (CatalogPngExporter *ce) { if (ce->footer != NULL) return get_text_height (ce, ce->footer, ce->footer_font_name, ce->page_width); else return 0; } static int get_footer_height_with_spacing (CatalogPngExporter *ce) { if (ce->footer != NULL) return get_text_height (ce, ce->footer, ce->footer_font_name, ce->page_width) + (ROW_SPACING * 2); else return 0; } static char * get_hf_text (const char *utf8_text, int n, int p) { const char *s; GString *r; char *r_str; if (utf8_text == NULL) return NULL; if (g_utf8_strchr (utf8_text, -1, '%') == NULL) return g_strdup (utf8_text); r = g_string_new (NULL); for (s = utf8_text; *s != 0; s = g_utf8_next_char (s)) { gunichar ch = g_utf8_get_char (s); if (*s == '%') { s = g_utf8_next_char (s); if (*s == 0) { g_string_append_unichar (r, ch); break; } ch = g_utf8_get_char (s); switch (ch) { char *t; case '%': g_string_append (r, "%"); break; case 'p': t = g_strdup_printf ("%d", p); g_string_append (r, t); g_free (t); break; case 'n': t = g_strdup_printf ("%d", n); g_string_append (r, t); g_free (t); break; } } else g_string_append_unichar (r, ch); } r_str = r->str; g_string_free (r, FALSE); return r_str; } static char * get_header_text (CatalogPngExporter *ce, int page_n) { return get_hf_text (ce->header, ce->pages_n, page_n); } static char * get_footer_text (CatalogPngExporter *ce, int page_n) { return get_hf_text (ce->footer, ce->pages_n, page_n); }