1.1 --- a/callbacks.c	Fri Dec 07 21:38:25 2007 +0100
     1.2 +++ b/callbacks.c	Wed Mar 19 23:01:43 2008 +0100
     1.3 @@ -1,10 +1,14 @@
     1.4  #include <gtk/gtk.h>
     1.5 +#include <gdk-pixbuf/gdk-pixbuf.h>
     1.6  
     1.7  #include "main.h"
     1.8  #include "callbacks.h"
     1.9  #include "interface.h"
    1.10  #include "support.h"
    1.11  
    1.12 +int image_width;
    1.13 +int image_height;
    1.14 +float inc = 0.1;
    1.15  /*
    1.16  void update_spin_button_ratio(GtkWidget* spinbutton) {
    1.17  	g_print("ratio change: %f\n", ratio);
    1.18 @@ -161,6 +165,45 @@
    1.19  
    1.20  
    1.21  
    1.22 +/* zoom */
    1.23 +void on_zoom_in_button_clicked(GtkObject* object, gpointer user_data) {
    1.24 +	printf("zoom in clicked\n");
    1.25 +	image_width *= 1 + inc;
    1.26 +	image_height *= 1 + inc;
    1.27 +	gtk_image_set_from_pixbuf(lookup_widget(cropper_window, "image_area"),
    1.28 +			gdk_pixbuf_scale_simple(image_buffer, image_width, image_height, GDK_INTERP_BILINEAR));
    1.29 +}
    1.30 +
    1.31 +void on_zoom_out_button_clicked(GtkObject* object, gpointer user_data) {
    1.32 +	printf("zoom out clicked\n");
    1.33 +	image_width *= 1 - inc;
    1.34 +	image_height *= 1 - inc;
    1.35 +	gtk_image_set_from_pixbuf(lookup_widget(cropper_window, "image_area"),
    1.36 +			gdk_pixbuf_scale_simple(image_buffer, image_width, image_height, GDK_INTERP_BILINEAR));
    1.37 +}
    1.38 +
    1.39 +void on_zoom_100_button_clicked(GtkObject* object, gpointer user_data) {
    1.40 +	printf("zoom 100 clicked\n");
    1.41 +	image_width = gdk_pixbuf_get_width(image_buffer);
    1.42 +	image_height = gdk_pixbuf_get_height(image_buffer);
    1.43 +	gtk_image_set_from_pixbuf(lookup_widget(cropper_window, "image_area"),
    1.44 +			gdk_pixbuf_scale_simple(image_buffer, image_width, image_height, GDK_INTERP_BILINEAR));
    1.45 +}
    1.46 +
    1.47 +void on_zoom_fit_button_clicked(GtkObject* object, gpointer user_data) {
    1.48 +	printf("zoom fit clicked\n");
    1.49 +	image_width = gdk_pixbuf_get_width(image_buffer) + 200; /* FIXME */
    1.50 +	image_height = gdk_pixbuf_get_height(image_buffer) + 200; /* FIXME */
    1.51 +	gtk_image_set_from_pixbuf(lookup_widget(cropper_window, "image_area"),
    1.52 +			gdk_pixbuf_scale_simple(image_buffer, image_width, image_height, GDK_INTERP_BILINEAR));
    1.53 +}
    1.54 +
    1.55 +
    1.56 +
    1.57 +
    1.58 +
    1.59 +
    1.60 +
    1.61  void on_crop_clicked(GtkButton* button, gpointer user_data) {
    1.62  	char crop_call[256];
    1.63  
    1.64 @@ -176,6 +219,10 @@
    1.65  	gtk_main_quit();
    1.66  }
    1.67  
    1.68 +void on_cropper_window_create (GtkObject* object, gpointer user_data) {
    1.69 +	image_width = gdk_pixbuf_get_width(image_buffer);
    1.70 +	image_height = gdk_pixbuf_get_height(image_buffer);
    1.71 +}
    1.72  
    1.73  void on_cropper_window_destroy (GtkObject* object, gpointer user_data) {
    1.74  	gtk_main_quit();