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#include <gtk/gtk.h>
#include <string.h>
#include <stdlib.h>
#include "colorie2.h"
#define X 50
#define Y 50
GtkWidget *fenetre;
GtkWidget *conteneur;
GtkWidget *label;
GtkWidget *image;
GdkPixbuf *pixels;
gchar texte[100], nom_fichier[100];
guint ligne, pixel, larg, haut;
// callback pour le menu Ouvrir image
void ouvrir(GtkWidget *p_widget, gpointer user_data);
// création d'un item de menu
void menu_item_new(GtkMenu *p_menu, const gchar *titre, GCallback callback, gpointer user_data)
{
GtkWidget *p_menu_item = NULL;
p_menu_item = gtk_menu_item_new_with_mnemonic(titre);
gtk_menu_shell_append(GTK_MENU_SHELL(p_menu), p_menu_item);
g_signal_connect(G_OBJECT(p_menu_item), "activate", callback, user_data);
}
// création du menu
GtkMenuBar *cree_menu()
{
GtkWidget *p_menu_bar = NULL;
GtkWidget *p_menu1 = NULL;
GtkWidget *p_menu_item = NULL;
p_menu_bar = gtk_menu_bar_new();
p_menu1 = gtk_menu_new();
p_menu_item = gtk_menu_item_new_with_mnemonic("Fichier");
menu_item_new(GTK_MENU(p_menu1), "Ouvrir image", G_CALLBACK(ouvrir), NULL);
gtk_menu_item_set_submenu(GTK_MENU_ITEM(p_menu_item), p_menu1);
gtk_menu_shell_append(GTK_MENU_SHELL(p_menu_bar), p_menu_item);
return GTK_MENU_BAR(p_menu_bar);
}
// colorier complètement l'image avec 2 couleurs blanc et noir
void bicolore(GdkPixbuf *gpix)
{ guchar *debut = gdk_pixbuf_get_pixels(gpix);
guchar *p = debut;
guchar *fin;
ligne = gdk_pixbuf_get_rowstride(gpix);
pixel = gdk_pixbuf_get_n_channels(gpix);
larg = gdk_pixbuf_get_width(gpix);
haut = gdk_pixbuf_get_height(gpix);
fin = debut + haut*ligne;
sprintf(texte, "larg=%d haut=%d", larg, haut);
gtk_label_set_text(GTK_LABEL(label), texte);
while(p<fin)
{ if (p[0]>200 && p[1]>200 && p[2]>200)
{ p[0]=p[1]=p[2]=255;
}
else
{ p[0]=p[1]=p[2]=0;
}
p+=pixel;
}
}
// blanchis l'image en 2 couleurs
void blanchis(void)
{
pixels = gtk_image_get_pixbuf(GTK_IMAGE(image));
if (pixels != NULL) bicolore(pixels);
else gtk_label_set_text(GTK_LABEL(label), "pixbuf NULL");//*/
}
// Fichier Ouvrir -> ouvrir un fichier image
void ouvrir(GtkWidget *p_widget, gpointer user_data)
{
GtkWidget *p_dialog = NULL;
p_dialog = gtk_file_chooser_dialog_new("Ouvrir un fichier", NULL,
GTK_FILE_CHOOSER_ACTION_OPEN,
GTK_STOCK_CANCEL, GTK_RESPONSE_CANCEL,
GTK_STOCK_OPEN, GTK_RESPONSE_ACCEPT,
NULL);
if (gtk_dialog_run(GTK_DIALOG(p_dialog)) == GTK_RESPONSE_ACCEPT)
{
strcpy(nom_fichier, gtk_file_chooser_get_filename(GTK_FILE_CHOOSER(p_dialog)));
gtk_label_set_text(GTK_LABEL(label), nom_fichier);
gtk_image_set_from_file(GTK_IMAGE(image), nom_fichier);
blanchis();
}
gtk_widget_destroy (p_dialog);
}
void OnDestroy(GtkWidget *pWidget, gpointer pData)
{
gtk_main_quit();
}
gboolean OnClic(GtkWidget *widget, GdkEventButton *event, gpointer data)
{ guchar *p;
guint x, y;
couleur col;
GdkWindow *f;
col=bleu;
if (event->button == GDK_BUTTON_PRIMARY) // clic gauche
{ x = event->x - X;
y = event->y - Y;
if (x>=0 && x<larg && y>=0 && y<haut) // colorier la région en bleu
colorie_region(pixels, x, y, col, blanc);
image=gtk_image_new_from_pixbuf(pixels);
f = gtk_widget_get_window(widget);
gdk_window_invalidate_rect(f, NULL, TRUE);
gdk_window_process_updates(f, FALSE);
}
else if (event->button == GDK_BUTTON_SECONDARY) // clic droit
{ x = event->x - X;
y = event->y - Y;
if (x>=0 && x<larg && y>=0 && y<haut) // repeindre la région en blanc
{
p = gdk_pixbuf_get_pixels(pixels) + y*ligne + x*pixel;
if (compare(p, col))
colorie_region(pixels, x, y, blanc, col);
image=gtk_image_new_from_pixbuf(pixels);
f = gtk_widget_get_window(widget);
gdk_window_invalidate_rect(f, NULL, TRUE);
gdk_window_process_updates(f, TRUE);
}
}
return TRUE;
}
int main( int argc, char *argv[])
{
gtk_init(&argc, &argv);
fenetre=gtk_window_new(GTK_WINDOW_TOPLEVEL);
gtk_window_set_default_size(GTK_WINDOW(fenetre), 1100, 1000);
gtk_window_set_title(GTK_WINDOW(fenetre), "Cartes");
g_signal_connect(G_OBJECT(fenetre), "destroy", G_CALLBACK(OnDestroy), NULL);
gtk_widget_set_events(fenetre, GDK_POINTER_MOTION_MASK|GDK_BUTTON_PRESS_MASK|GDK_BUTTON_RELEASE_MASK);
g_signal_connect(G_OBJECT(fenetre), "button-release-event", G_CALLBACK(OnClic), NULL);
conteneur=gtk_layout_new(NULL, NULL);
gtk_container_add(GTK_CONTAINER(fenetre), conteneur);
gtk_layout_put(GTK_LAYOUT(conteneur), GTK_WIDGET(cree_menu()), 0, 0);
strcpy(texte, "");
label=gtk_label_new(texte);
gtk_layout_put(GTK_LAYOUT(conteneur), label, 100, 25);
strcpy(nom_fichier, "France_regions.jpg");
image=gtk_image_new_from_file(nom_fichier);
gtk_layout_put(GTK_LAYOUT(conteneur), image, X, Y);
init_couleurs();
blanchis();
gtk_widget_show_all(fenetre);
gtk_main();
return 0;
} |
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