blob: 037574bdb00d960d2e5c0844127eece4c031897f [file] [log] [blame]
/*
* 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_icon_name(GTK_IMAGE(demo->thumbnail), "image-missing", 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;
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_box_new(GTK_ORIENTATION_VERTICAL, 12);
hbox = gtk_box_new(GTK_ORIENTATION_HORIZONTAL, 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_box_new(GTK_ORIENTATION_HORIZONTAL, 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);
table = gtk_grid_new();
gtk_widget_set_margin_top(table, 5);
gtk_widget_set_margin_bottom(table, 5);
#if GTK_CHECK_VERSION(3, 12, 0)
gtk_widget_set_margin_start(table, 12);
gtk_widget_set_margin_end(table, 5);
#else
gtk_widget_set_margin_left(table, 12);
gtk_widget_set_margin_right(table, 5);
#endif
gtk_grid_set_column_spacing(GTK_GRID(table), 6);
gtk_grid_set_row_spacing(GTK_GRID(table), 6);
pgd_table_add_property_with_value_widget(GTK_GRID(table), "<b>Page Index:</b>", &(demo->index), NULL, &row);
pgd_table_add_property_with_value_widget(GTK_GRID(table), "<b>Page Label:</b>", &(demo->label), NULL, &row);
pgd_table_add_property_with_value_widget(GTK_GRID(table), "<b>Page Size:</b>", &(demo->size), NULL, &row);
pgd_table_add_property_with_value_widget(GTK_GRID(table), "<b>Page Duration:</b>", &(demo->duration), NULL, &row);
gtk_container_add(GTK_CONTAINER(frame), 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);
thumnail_box = gtk_box_new(GTK_ORIENTATION_VERTICAL, 6);
gtk_widget_set_margin_top(thumnail_box, 5);
gtk_widget_set_margin_bottom(thumnail_box, 5);
#if GTK_CHECK_VERSION(3, 12, 0)
gtk_widget_set_margin_start(thumnail_box, 12);
gtk_widget_set_margin_end(thumnail_box, 5);
#else
gtk_widget_set_margin_left(thumnail_box, 12);
gtk_widget_set_margin_right(thumnail_box, 5);
#endif
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(frame), 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;
}