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#include <unistd.h>
#include <utime.h>
#include <string.h>
#include <glib/gstdio.h>
#include <gtk/gtk.h>
#include "db.h"
#include "thumbnails.h"
inline static gchar *get_wall_thumb_name(const gchar *filepath) {
GChecksum *ck;
gchar *s;
gchar *cksum;
ck = g_checksum_new(G_CHECKSUM_MD5);
s = g_strdup_printf("file://%s", filepath);
g_checksum_update(ck, s, -1);
g_free(s);
cksum = g_strdup_printf("%s/.thumbnails/normal/%s.png", g_get_home_dir(), g_checksum_get_string(ck));
g_checksum_free(ck);
return cksum;
}
inline static time_t get_mtime(const gchar *filepath) {
struct utimbuf times;
if(g_utime(filepath, ×) == 0) {
return times.modtime;
} else {
return 0;
}
}
GdkPixbuf *get_thumbnail(const gchar *filepath) {
GdkPixbuf *pb, *pb2;
gint win_width, win_height, img_width, img_height, width, height;
gdouble scalex, scaley, width_ratio, height_ratio, max_ratio;
GError *error = NULL;
gchar *thumbname;
thumbname = get_wall_thumb_name(filepath);
if(g_access(thumbname, F_OK) == 0) {
pb = gdk_pixbuf_new_from_file(thumbname, &error);
g_free(thumbname);
return pb;
} else {
pb = gdk_pixbuf_new_from_file(filepath, &error);
}
if(!pb) {
g_warning("%s", error->message);
g_free(error);
return NULL;
}
img_width = gdk_pixbuf_get_width(pb);
img_height = gdk_pixbuf_get_height(pb);
win_width = win_height = 128;
width_ratio = (gdouble)img_width / (gdouble)win_width;
height_ratio = (gdouble)img_height / (gdouble)win_height;
if(width_ratio > height_ratio) {
width = win_width;
height = (gint)(1.0 / width_ratio * img_height);
} else {
height = win_height;
width = (gint)(1.0 / height_ratio * img_width);
}
scalex = (gdouble)width / (gdouble)img_width;
scaley = (gdouble)height / (gdouble)img_height;
pb2 = gdk_pixbuf_new(GDK_COLORSPACE_RGB, TRUE, 8, width, height);
gdk_pixbuf_scale(pb, pb2, 0, 0, width, height, 0, 0, scalex, scaley, GDK_INTERP_BILINEAR);
g_object_unref(pb);
error = NULL;
if(!gdk_pixbuf_save(pb2, thumbname, "png", &error,
"tEXt::Thumb::URI", filepath,
"tEXt::Thumb::MTime", get_mtime(filepath),
"tEXt::Software", "walls",
NULL)) {
g_warning("%s", error->message);
g_free(error);
}
g_free(thumbname);
return pb2;
}
static void fill_wall_list(GtkListStore *liststore, GArray *array) {
GtkTreeIter iter;
for(int i = 0; i < array->len; i++) {
struct wallpaper_t *wall;
wall = &g_array_index(array, struct wallpaper_t, i);
gtk_list_store_append(liststore, &iter);
gtk_list_store_set(liststore, &iter, 0, NULL, 1, wall->filepath, -1);
g_free(wall->filepath);
}
g_array_free(array, TRUE);
}
gpointer add_thumbs_thread(gpointer data) {
GtkListStore *liststore;
GtkTreeIter iter;
int n;
GValue value;
GdkPixbuf *pb = NULL;
const gchar *filepath;
liststore = GTK_LIST_STORE(data);
if(!gtk_tree_model_get_iter_first(GTK_TREE_MODEL(liststore), &iter)) {
return NULL;
}
n = gtk_tree_model_iter_n_children(GTK_TREE_MODEL(liststore), NULL);
memset(&value, 0, sizeof(GValue));
for(int i = 0; i < n; i++) {
gtk_tree_model_get_value(GTK_TREE_MODEL(liststore), &iter, 1, &value);
printf("file: %s\n", g_value_get_string(&value));
filepath = g_value_get_string(&value);
pb = get_thumbnail(filepath);
g_value_unset(&value);
if(pb) {
gtk_list_store_set(liststore, &iter, 0, pb, -1);
g_object_unref(pb);
}
gtk_tree_model_iter_next(GTK_TREE_MODEL(liststore), &iter);
}
}
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