Mercurial > cropper
annotate cropper.c @ 19:762de8cee1e4 default tip
fixed makefile; some cleanups
| author | meillo@marmaro.de |
|---|---|
| date | Thu, 04 Mar 2010 19:44:28 +0100 |
| parents | 9d6e8105b145 |
| children |
| rev | line source |
|---|---|
| 17 | 1 #include <sys/types.h> |
| 2 #include <sys/stat.h> | |
| 3 #include <unistd.h> | |
| 4 #include <string.h> | |
| 5 #include <stdio.h> | |
| 6 | |
| 0 | 7 #include <gtk/gtk.h> |
| 17 | 8 #include <gdk/gdkkeysyms.h> |
| 9 #include <gdk-pixbuf/gdk-pixbuf.h> | |
| 10 | |
| 11 | |
| 12 | |
| 13 | |
| 14 GtkWidget* cropper_window; | |
| 15 char* image_filename; | |
| 16 | |
| 17 /* from interface.h */ | |
| 18 GtkWidget* create_cropper_window(void); | |
| 19 GtkWidget* image_area; | |
| 20 GdkPixbuf* image_buffer; | |
| 21 | |
| 22 int w, h, x, y; | |
| 23 | |
| 24 int image_width; | |
| 25 int image_height; | |
| 26 float inc = 0.3; | |
| 27 float zoom = 1.0; | |
| 28 | |
| 29 /* from callbacks.h */ | |
| 30 double ratio; | |
| 31 | |
| 32 | |
| 33 | |
| 34 | |
| 35 #define GLADE_HOOKUP_OBJECT(component,widget,name) \ | |
| 36 g_object_set_data_full(G_OBJECT(component), name, \ | |
| 37 gtk_widget_ref(widget),(GDestroyNotify) gtk_widget_unref) | |
| 38 | |
| 39 #define GLADE_HOOKUP_OBJECT_NO_REF(component,widget,name) \ | |
| 40 g_object_set_data(G_OBJECT(component), name, widget) | |
| 41 | |
| 42 | |
| 43 /* | |
| 44 * This function returns a widget in a component created by Glade. | |
| 45 * Call it with the toplevel widget in the component (i.e. a window/dialog), | |
| 46 * or alternatively any widget in the component, and the name of the widget | |
| 47 * you want returned. | |
| 48 */ | |
| 49 GtkWidget* | |
| 50 lookup_widget(GtkWidget* widget, const gchar* widget_name) | |
| 51 { | |
| 52 GtkWidget* parent; | |
| 53 GtkWidget* found_widget; | |
| 54 | |
| 55 for (;;) { | |
| 56 if (GTK_IS_MENU(widget)) { | |
| 57 parent = gtk_menu_get_attach_widget(GTK_MENU(widget)); | |
| 58 } else { | |
| 59 parent = widget->parent; | |
| 60 } | |
| 61 if (!parent) { | |
| 62 parent = (GtkWidget*) g_object_get_data(G_OBJECT(widget), "GladeParentKey"); | |
| 63 } | |
| 64 if (parent == NULL) { | |
| 65 break; | |
| 66 } | |
| 67 widget = parent; | |
| 68 } | |
| 69 | |
| 70 found_widget = (GtkWidget*) g_object_get_data(G_OBJECT(widget), widget_name); | |
| 71 if (!found_widget) { | |
| 72 g_warning("Widget not found: %s", widget_name); | |
| 73 } | |
| 74 return found_widget; | |
| 75 } | |
| 76 | |
| 77 | |
| 78 | |
| 79 | |
| 80 | |
| 81 | |
| 82 | |
| 83 | |
| 84 | |
| 85 | |
| 86 | |
| 0 | 87 |
| 17 | 88 |
| 89 | |
| 90 | |
| 91 | |
| 92 | |
| 93 | |
| 94 | |
| 95 | |
| 96 | |
| 97 | |
| 98 | |
| 99 /* zoom */ | |
| 100 void | |
| 101 set_zoom() | |
| 102 { | |
| 103 static GdkPixbuf* pixbuf_new; | |
| 104 g_object_unref(pixbuf_new); | |
| 105 | |
| 106 pixbuf_new = gdk_pixbuf_scale_simple(image_buffer, image_width*zoom, image_height*zoom, | |
| 107 GDK_INTERP_BILINEAR); | |
| 108 gtk_image_set_from_pixbuf((GtkImage*) lookup_widget(cropper_window, "image_area"), pixbuf_new); | |
| 109 } | |
| 110 | |
| 111 void | |
| 112 on_zoom_in_button_clicked(GtkObject* object, gpointer user_data) | |
| 113 { | |
| 114 zoom *= 1 + inc; | |
| 115 set_zoom(); | |
| 116 } | |
| 117 | |
| 118 void | |
| 119 on_zoom_out_button_clicked(GtkObject* object, gpointer user_data) | |
| 120 { | |
| 121 zoom *= 1 - inc; | |
| 122 set_zoom(); | |
| 123 } | |
| 124 | |
| 125 void | |
| 126 on_zoom_100_button_clicked(GtkObject* object, gpointer user_data) | |
| 127 { | |
| 128 zoom = 1.0; | |
| 129 set_zoom(); | |
| 130 } | |
| 131 | |
| 132 void | |
| 133 on_zoom_fit_button_clicked(GtkObject* object, gpointer user_data) | |
| 134 { | |
| 135 int w, h; | |
| 136 float zw, zh; | |
| 137 GtkWidget* image_a; | |
| 138 | |
| 139 image_a = (GtkWidget*) lookup_widget(cropper_window, "image_area"); | |
| 140 gdk_drawable_get_size(image_a->window, &w, &h); | |
| 141 | |
| 142 zw = w*1.0 / image_width; | |
| 143 zh = h*1.0 / image_height; | |
| 144 | |
| 145 zoom = (zw < zh) ? zw : zh; | |
| 146 set_zoom(); | |
| 147 } | |
| 148 | |
| 149 | |
| 150 | |
| 151 | |
| 152 | |
| 153 | |
| 154 | |
| 155 void | |
| 156 crop(void) | |
| 157 { | |
| 158 char crop_call[256]; | |
| 159 | |
| 160 sprintf(crop_call, "echo \"convert -crop %ix%i+%i+%i %s cropped_%s\"", | |
| 19 | 161 w, h, x, y, image_filename, image_filename); |
| 17 | 162 system(crop_call); |
| 163 gtk_main_quit(); | |
| 164 } | |
| 165 | |
| 166 | |
| 167 void | |
| 168 on_cropper_window_create(GtkObject* object, gpointer user_data) | |
| 169 { | |
| 170 image_width = gdk_pixbuf_get_width(image_buffer); | |
| 171 image_height = gdk_pixbuf_get_height(image_buffer); | |
| 172 | |
| 173 /* | |
| 174 image_buffer = gdk_pixbuf_new_from_file(image_filename, NULL); | |
| 175 image_area = gtk_image_new_from_pixbuf(image_buffer); | |
| 176 | |
| 177 int w, h; | |
| 178 GtkWidget* image_a; | |
| 179 | |
| 180 image_a = (GtkWidget*) lookup_widget(cropper_window, "image_area"); | |
| 181 gdk_drawable_get_size(image_a->window, &w, &h); | |
| 182 | |
| 183 image_width = w - 200; | |
| 184 image_height = h - 150; | |
| 185 set_zoom(); | |
| 186 */ | |
| 187 } | |
| 188 | |
| 189 void | |
| 190 on_cropper_window_destroy(GtkObject* object, gpointer user_data) | |
| 191 { | |
| 192 gtk_main_quit(); | |
| 193 } | |
| 194 | |
| 195 | |
| 196 | |
| 197 | |
| 198 gboolean | |
| 199 on_key_press(GtkWidget* window, GdkEventKey* pKey, gpointer userdata) | |
| 200 { | |
| 201 if (pKey->type != GDK_KEY_PRESS) { | |
| 202 return FALSE; | |
| 203 } | |
| 204 switch (pKey->keyval) { | |
| 205 case GDK_q: | |
| 206 gtk_main_quit(); | |
| 207 break; | |
| 208 case GDK_Return: | |
| 209 crop(); | |
| 210 break; | |
| 211 case GDK_plus: | |
| 212 on_zoom_in_button_clicked(NULL, userdata); | |
| 213 break; | |
| 214 case GDK_minus: | |
| 215 on_zoom_out_button_clicked(NULL, userdata); | |
| 216 break; | |
| 217 case GDK_0: | |
| 218 on_zoom_100_button_clicked(NULL, userdata); | |
| 219 break; | |
| 220 case GDK_f: | |
| 221 on_zoom_fit_button_clicked(NULL, userdata); | |
| 222 break; | |
| 223 } | |
| 224 return TRUE; | |
| 225 } | |
| 226 | |
| 227 | |
| 228 | |
| 229 | |
| 230 | |
| 19 | 231 GtkWidget* |
| 232 create_cropper_window(void) | |
| 233 { | |
| 234 GtkWidget *cropper_window; | |
| 235 GtkWidget *dialog_vbox1; | |
| 236 GtkWidget *status; | |
| 237 GtkWidget *label1; | |
| 238 GtkWidget *label2; | |
| 239 | |
| 240 | |
| 241 cropper_window = gtk_window_new(GTK_WINDOW_TOPLEVEL); | |
| 242 gtk_widget_set_name(cropper_window, "cropper_window"); | |
| 243 gtk_container_set_border_width(GTK_CONTAINER(cropper_window), 6); | |
| 244 gtk_window_set_title(GTK_WINDOW(cropper_window), "cropper-0.2"); | |
| 245 | |
| 246 dialog_vbox1 = gtk_vbox_new(FALSE, 6); | |
| 247 gtk_widget_set_name(dialog_vbox1, "dialog_vbox1"); | |
| 248 gtk_widget_show(dialog_vbox1); | |
| 249 gtk_container_add(GTK_CONTAINER(cropper_window), dialog_vbox1); | |
| 250 | |
| 251 | |
| 252 status = gtk_hbox_new(FALSE, 0); | |
| 253 gtk_widget_set_name(status, "status"); | |
| 254 gtk_widget_show(status); | |
| 255 gtk_box_pack_end(GTK_BOX(dialog_vbox1), status, FALSE, FALSE, 0); | |
| 256 | |
| 257 label1 = gtk_label_new("zoom:"); | |
| 258 gtk_widget_set_name(label1, "label1"); | |
| 259 gtk_widget_show(label1); | |
| 260 gtk_box_pack_start(GTK_BOX(status), label1, FALSE, FALSE, 0); | |
| 261 | |
| 262 label2 = gtk_label_new("1.0"); | |
| 263 gtk_widget_set_name(label2, "label2"); | |
| 264 gtk_widget_show(label2); | |
| 265 gtk_box_pack_start(GTK_BOX(status), label2, FALSE, FALSE, 0); | |
| 266 | |
| 267 /* image_area */ | |
| 268 image_buffer = gdk_pixbuf_new_from_file(image_filename, NULL); | |
| 269 image_area = gtk_image_new_from_pixbuf(image_buffer); | |
| 270 | |
| 271 gtk_widget_set_name(image_area, "image_area"); | |
| 272 gtk_widget_show(image_area); | |
| 273 gtk_box_pack_start(GTK_BOX(dialog_vbox1), image_area, TRUE, TRUE, 0); | |
| 274 | |
| 275 | |
| 276 | |
| 277 | |
| 278 | |
| 279 g_signal_connect(G_OBJECT(cropper_window), "show", | |
| 280 G_CALLBACK(on_cropper_window_create), NULL); | |
| 281 | |
| 282 g_signal_connect(G_OBJECT(cropper_window), "destroy", | |
| 283 G_CALLBACK(on_cropper_window_destroy), NULL); | |
| 284 | |
| 285 g_signal_connect(cropper_window, "key-press-event", | |
| 286 G_CALLBACK(on_key_press), NULL); | |
| 287 | |
| 288 | |
| 289 /* Store pointers to all widgets, for use by lookup_widget(). */ | |
| 290 | |
| 291 GLADE_HOOKUP_OBJECT_NO_REF(cropper_window, cropper_window, "cropper_window"); | |
| 292 GLADE_HOOKUP_OBJECT(cropper_window, dialog_vbox1, "dialog_vbox1"); | |
| 293 | |
| 294 GLADE_HOOKUP_OBJECT(cropper_window, label1, "label1"); | |
| 295 GLADE_HOOKUP_OBJECT(cropper_window, label2, "label2"); | |
| 296 GLADE_HOOKUP_OBJECT(cropper_window, status, "status"); | |
| 297 GLADE_HOOKUP_OBJECT(cropper_window, image_area, "image_area"); | |
| 298 GLADE_HOOKUP_OBJECT(cropper_window,(GtkWidget*) image_buffer, "image_buffer"); | |
| 299 | |
| 300 | |
| 301 return cropper_window; | |
| 302 } | |
| 303 | |
| 304 | |
| 17 | 305 |
| 0 | 306 |
|
2
e359bea4c8ac
added code for ratio swap; new names for ratio operations; added main.h; some more
meillo@marmaro.de
parents:
1
diff
changeset
|
307 |
| 11 | 308 int |
| 309 main(int argc, char* argv[]) | |
| 310 { | |
|
4
2f11ab3e6047
added option handling; added output for convert; commented all ratio code cause it is not really important now
meillo@marmaro.de
parents:
2
diff
changeset
|
311 /* commandline option handling */ |
| 11 | 312 if (argc != 2) { |
| 10 | 313 g_print("cropper -- a crop frontend to convert\n"); |
| 314 g_print("usage: cropper IMAGE\n"); | |
| 315 return 1; | |
|
4
2f11ab3e6047
added option handling; added output for convert; commented all ratio code cause it is not really important now
meillo@marmaro.de
parents:
2
diff
changeset
|
316 } |
|
2f11ab3e6047
added option handling; added output for convert; commented all ratio code cause it is not really important now
meillo@marmaro.de
parents:
2
diff
changeset
|
317 |
| 11 | 318 image_filename = argv[1]; |
| 10 | 319 gtk_init(&argc, &argv); |
|
4
2f11ab3e6047
added option handling; added output for convert; commented all ratio code cause it is not really important now
meillo@marmaro.de
parents:
2
diff
changeset
|
320 |
| 10 | 321 cropper_window = create_cropper_window(); |
| 322 gtk_widget_show(cropper_window); | |
| 11 | 323 gtk_main(); |
| 0 | 324 |
| 10 | 325 return 0; |
| 0 | 326 } |