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Diffstat (limited to 'tests/poppler/glib/demo/page.c')
| -rw-r--r-- | tests/poppler/glib/demo/page.c | 335 |
1 files changed, 335 insertions, 0 deletions
diff --git a/tests/poppler/glib/demo/page.c b/tests/poppler/glib/demo/page.c new file mode 100644 index 00000000..7ab008c9 --- /dev/null +++ b/tests/poppler/glib/demo/page.c @@ -0,0 +1,335 @@ +/* + * Copyright (C) 2007 Carlos Garcia Campos <carlosgc@gnome.org> + * + * 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, 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., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. + */ + +#include "config.h" + +#include <gtk/gtk.h> + +#include "page.h" +#include "utils.h" + +typedef struct { + PopplerDocument *doc; + + GtkWidget *index; + GtkWidget *label; + GtkWidget *size; + GtkWidget *duration; + GtkWidget *thumbnail; + GtkWidget *thumbnail_size; + + gint page; +} PgdPageDemo; + +static void +pgd_page_free (PgdPageDemo *demo) +{ + if (!demo) + return; + + if (demo->doc) { + g_object_unref (demo->doc); + demo->doc = NULL; + } + + g_free (demo); +} + +#ifndef POPPLER_WITH_GDK +static void +image_set_from_surface (GtkImage *gtkimage, + cairo_surface_t *surface) +{ + GdkPixbuf *pixbuf; + cairo_surface_t *image; + cairo_t *cr; + gboolean has_alpha; + gint width, height; + cairo_format_t surface_format; + gint pixbuf_n_channels; + gint pixbuf_rowstride; + guchar *pixbuf_pixels; + gint x, y; + + width = cairo_image_surface_get_width (surface); + height = cairo_image_surface_get_height (surface); + + surface_format = cairo_image_surface_get_format (surface); + has_alpha = (surface_format == CAIRO_FORMAT_ARGB32); + + pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, + TRUE, 8, + width, height); + pixbuf_n_channels = gdk_pixbuf_get_n_channels (pixbuf); + pixbuf_rowstride = gdk_pixbuf_get_rowstride (pixbuf); + pixbuf_pixels = gdk_pixbuf_get_pixels (pixbuf); + + image = cairo_image_surface_create_for_data (pixbuf_pixels, + surface_format, + width, height, + pixbuf_rowstride); + cr = cairo_create (image); + cairo_set_source_surface (cr, surface, 0, 0); + + if (has_alpha) + cairo_mask_surface (cr, surface, 0, 0); + else + cairo_paint (cr); + + cairo_destroy (cr); + cairo_surface_destroy (image); + + for (y = 0; y < height; y++) { + guchar *p = pixbuf_pixels + y * pixbuf_rowstride; + + for (x = 0; x < width; x++) { + guchar tmp; + +#if G_BYTE_ORDER == G_LITTLE_ENDIAN + tmp = p[0]; + p[0] = p[2]; + p[2] = tmp; + p[3] = (has_alpha) ? p[3] : 0xff; +#else + tmp = p[0]; + p[0] = (has_alpha) ? p[3] : 0xff; + p[3] = p[2]; + p[2] = p[1]; + p[1] = tmp; +#endif + p += pixbuf_n_channels; + } + } + + gtk_image_set_from_pixbuf (gtkimage, pixbuf); + g_object_unref (pixbuf); +} +#endif /* !POPPLER_WITH_GDK */ + +static void +pgd_page_set_page (PgdPageDemo *demo, + PopplerPage *page) +{ +#ifdef POPPLER_WITH_GDK + GdkPixbuf *thumbnail; +#else + cairo_surface_t *thumbnail; +#endif + gchar *str; + + str = page ? g_strdup_printf ("%d", poppler_page_get_index (page)) : NULL; + gtk_label_set_text (GTK_LABEL (demo->index), str); + g_free (str); + + if (page) { + str = poppler_page_get_label (page); + gtk_label_set_text (GTK_LABEL (demo->label), str); + g_free (str); + } else { + gtk_label_set_text (GTK_LABEL (demo->label), NULL); + } + + if (page) { + gdouble width, height; + + poppler_page_get_size (page, &width, &height); + str = g_strdup_printf ("%.2f x %.2f", width, height); + gtk_label_set_text (GTK_LABEL (demo->size), str); + g_free (str); + } else { + gtk_label_set_text (GTK_LABEL (demo->size), NULL); + } + + str = page ? g_strdup_printf ("%.2f seconds", poppler_page_get_duration (page)) : NULL; + gtk_label_set_text (GTK_LABEL (demo->duration), str); + g_free (str); + +#ifdef POPPLER_WITH_GDK + thumbnail = page ? poppler_page_get_thumbnail_pixbuf (page) : NULL; +#else + thumbnail = page ? poppler_page_get_thumbnail (page) : NULL; +#endif + if (thumbnail) { + gint width, height; + + poppler_page_get_thumbnail_size (page, &width, &height); + str = g_strdup_printf ("%d x %d", width, height); + gtk_label_set_text (GTK_LABEL (demo->thumbnail_size), str); + g_free (str); + +#ifdef POPPLER_WITH_GDK + gtk_image_set_from_pixbuf (GTK_IMAGE (demo->thumbnail), thumbnail); + g_object_unref (thumbnail); +#else + image_set_from_surface (GTK_IMAGE (demo->thumbnail), thumbnail); + cairo_surface_destroy (thumbnail); +#endif + } else { + str = g_strdup ("<i>No thumbnail found</i>"); + gtk_label_set_markup (GTK_LABEL (demo->thumbnail_size), str); + g_free (str); + + gtk_image_set_from_stock (GTK_IMAGE (demo->thumbnail), + GTK_STOCK_MISSING_IMAGE, + GTK_ICON_SIZE_DIALOG); + } +} + +static void +pgd_page_get_info (GtkWidget *button, + PgdPageDemo *demo) +{ + PopplerPage *page; + + page = poppler_document_get_page (demo->doc, demo->page); + pgd_page_set_page (demo, page); + g_object_unref (page); +} + +static void +pgd_page_page_selector_value_changed (GtkSpinButton *spinbutton, + PgdPageDemo *demo) +{ + demo->page = (gint)gtk_spin_button_get_value (spinbutton) - 1; +} + +GtkWidget * +pgd_page_create_widget (PopplerDocument *document) +{ + PgdPageDemo *demo; + GtkWidget *vbox; + GtkWidget *hbox, *page_selector; + GtkWidget *button; + GtkWidget *frame, *alignment; + GtkWidget *table; + GtkWidget *label; + GtkWidget *thumnail_box; + gchar *str; + gint n_pages; + gint row = 0; + + demo = g_new0 (PgdPageDemo, 1); + + demo->doc = g_object_ref (document); + + n_pages = poppler_document_get_n_pages (document); + + vbox = gtk_vbox_new (FALSE, 12); + + hbox = gtk_hbox_new (FALSE, 6); + + label = gtk_label_new ("Page:"); + gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, TRUE, 0); + gtk_widget_show (label); + + page_selector = gtk_spin_button_new_with_range (1, n_pages, 1); + g_signal_connect (G_OBJECT (page_selector), "value-changed", + G_CALLBACK (pgd_page_page_selector_value_changed), + (gpointer)demo); + gtk_box_pack_start (GTK_BOX (hbox), page_selector, FALSE, TRUE, 0); + gtk_widget_show (page_selector); + + str = g_strdup_printf ("of %d", n_pages); + label = gtk_label_new (str); + gtk_box_pack_start (GTK_BOX (hbox), label, FALSE, TRUE, 0); + gtk_widget_show (label); + g_free (str); + + button = gtk_button_new_with_label ("Get Info"); + g_signal_connect (G_OBJECT (button), "clicked", + G_CALLBACK (pgd_page_get_info), + (gpointer)demo); + gtk_box_pack_end (GTK_BOX (hbox), button, FALSE, FALSE, 0); + gtk_widget_show (button); + + gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, TRUE, 0); + gtk_widget_show (hbox); + + hbox = gtk_hbox_new (FALSE, 6); + + frame = gtk_frame_new (NULL); + gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_NONE); + label = gtk_label_new (NULL); + gtk_label_set_markup (GTK_LABEL (label), "<b>Page Properties</b>"); + gtk_frame_set_label_widget (GTK_FRAME (frame), label); + gtk_widget_show (label); + + alignment = gtk_alignment_new (0.5, 0.5, 1, 1); + gtk_alignment_set_padding (GTK_ALIGNMENT (alignment), 5, 5, 12, 5); + gtk_container_add (GTK_CONTAINER (frame), alignment); + gtk_widget_show (alignment); + + table = gtk_table_new (3, 2, FALSE); + + gtk_table_set_col_spacings (GTK_TABLE (table), 6); + gtk_table_set_row_spacings (GTK_TABLE (table), 6); + + pgd_table_add_property_with_value_widget (GTK_TABLE (table), "<b>Page Index:</b>", + &(demo->index), NULL, &row); + pgd_table_add_property_with_value_widget (GTK_TABLE (table), "<b>Page Label:</b>", + &(demo->label), NULL, &row); + pgd_table_add_property_with_value_widget (GTK_TABLE (table), "<b>Page Size:</b>", + &(demo->size), NULL, &row); + pgd_table_add_property_with_value_widget (GTK_TABLE (table), "<b>Page Duration:</b>", + &(demo->duration), NULL, &row); + + gtk_container_add (GTK_CONTAINER (alignment), table); + gtk_widget_show (table); + + gtk_box_pack_start (GTK_BOX (hbox), frame, TRUE, TRUE, 0); + gtk_widget_show (frame); + + frame = gtk_frame_new (NULL); + gtk_frame_set_shadow_type (GTK_FRAME (frame), GTK_SHADOW_NONE); + gtk_frame_set_label_align (GTK_FRAME (frame), 0.5, 0.5); + label = gtk_label_new (NULL); + gtk_label_set_markup (GTK_LABEL (label), "<b>Page Thumbnail</b>"); + gtk_frame_set_label_widget (GTK_FRAME (frame), label); + gtk_widget_show (label); + + alignment = gtk_alignment_new (0.5, 0.5, 1, 1); + gtk_alignment_set_padding (GTK_ALIGNMENT (alignment), 5, 5, 12, 5); + gtk_container_add (GTK_CONTAINER (frame), alignment); + gtk_widget_show (alignment); + + thumnail_box = gtk_vbox_new (FALSE, 6); + + demo->thumbnail = gtk_image_new (); + gtk_box_pack_start (GTK_BOX (thumnail_box), demo->thumbnail, TRUE, TRUE, 0); + gtk_widget_show (demo->thumbnail); + + demo->thumbnail_size = gtk_label_new (NULL); + g_object_set (G_OBJECT (demo->thumbnail_size), "xalign", 0.5, NULL); + gtk_box_pack_start (GTK_BOX (thumnail_box), demo->thumbnail_size, TRUE, TRUE, 0); + gtk_widget_show (demo->thumbnail_size); + + gtk_container_add (GTK_CONTAINER (alignment), thumnail_box); + gtk_widget_show (thumnail_box); + + gtk_box_pack_start (GTK_BOX (hbox), frame, TRUE, TRUE, 0); + gtk_widget_show (frame); + + gtk_box_pack_start (GTK_BOX (vbox), hbox, FALSE, TRUE, 0); + gtk_widget_show (hbox); + + g_object_weak_ref (G_OBJECT (vbox), + (GWeakNotify)pgd_page_free, + (gpointer)demo); + + return vbox; +} |