void gimp_image_resize_with_layers (GimpImage *image, GimpContext *context, gint new_width, gint new_height, gint offset_x, gint offset_y, GimpItemSet layer_set, gboolean resize_text_layers, GimpProgress *progress) { GList *list; GList *resize_layers; gdouble progress_max; gdouble progress_current = 1.0; gint old_width, old_height; g_return_if_fail (GIMP_IS_IMAGE (image)); g_return_if_fail (GIMP_IS_CONTEXT (context)); g_return_if_fail (new_width > 0 && new_height > 0); g_return_if_fail (progress == NULL || GIMP_IS_PROGRESS (progress)); gimp_set_busy (image->gimp); g_object_freeze_notify (G_OBJECT (image)); gimp_image_undo_group_start (image, GIMP_UNDO_GROUP_IMAGE_RESIZE, C_("undo-type", "Resize Image")); resize_layers = gimp_image_item_list_get_list (image, NULL, GIMP_ITEM_TYPE_LAYERS, layer_set); progress_max = (gimp_container_get_n_children (gimp_image_get_layers (image)) + gimp_container_get_n_children (gimp_image_get_channels (image)) + gimp_container_get_n_children (gimp_image_get_vectors (image)) + g_list_length (resize_layers) + 1 /* selection */); old_width = gimp_image_get_width (image); old_height = gimp_image_get_height (image); /* Push the image size to the stack */ gimp_image_undo_push_image_size (image, NULL, -offset_x, -offset_y, new_width, new_height); /* Set the new width and height */ g_object_set (image, "width", new_width, "height", new_height, NULL); /* Resize all channels */ for (list = gimp_image_get_channel_iter (image); list; list = g_list_next (list)) { GimpItem *item = list->data; gimp_item_resize (item, context, new_width, new_height, offset_x, offset_y); if (progress) gimp_progress_set_value (progress, progress_current++ / progress_max); } /* Resize all vectors */ for (list = gimp_image_get_vectors_iter (image); list; list = g_list_next (list)) { GimpItem *item = list->data; gimp_item_resize (item, context, new_width, new_height, offset_x, offset_y); if (progress) gimp_progress_set_value (progress, progress_current++ / progress_max); } /* Don't forget the selection mask! */ gimp_item_resize (GIMP_ITEM (gimp_image_get_mask (image)), context, new_width, new_height, offset_x, offset_y); if (progress) gimp_progress_set_value (progress, progress_current++ / progress_max); /* Reposition all layers */ for (list = gimp_image_get_layer_iter (image); list; list = g_list_next (list)) { GimpItem *item = list->data; gimp_item_translate (item, offset_x, offset_y, TRUE); if (progress) gimp_progress_set_value (progress, progress_current++ / progress_max); } /* Resize all resize_layers to image size */ for (list = resize_layers; list; list = g_list_next (list)) { GimpItem *item = list->data; gint old_offset_x; gint old_offset_y; /* group layers can't be resized here */ if (gimp_viewable_get_children (GIMP_VIEWABLE (item))) continue; if (! resize_text_layers && gimp_item_is_text_layer (item)) continue; gimp_item_get_offset (item, &old_offset_x, &old_offset_y); gimp_item_resize (item, context, new_width, new_height, old_offset_x, old_offset_y); if (progress) gimp_progress_set_value (progress, progress_current++ / progress_max); } g_list_free (resize_layers); /* Reposition or remove all guides */ list = gimp_image_get_guides (image); while (list) { GimpGuide *guide = list->data; gboolean remove_guide = FALSE; gint new_position = gimp_guide_get_position (guide); list = g_list_next (list); switch (gimp_guide_get_orientation (guide)) { case GIMP_ORIENTATION_HORIZONTAL: new_position += offset_y; if (new_position < 0 || new_position > new_height) remove_guide = TRUE; break; case GIMP_ORIENTATION_VERTICAL: new_position += offset_x; if (new_position < 0 || new_position > new_width) remove_guide = TRUE; break; default: break; } if (remove_guide) gimp_image_remove_guide (image, guide, TRUE); else if (new_position != gimp_guide_get_position (guide)) gimp_image_move_guide (image, guide, new_position, TRUE); } /* Reposition or remove sample points */ list = gimp_image_get_sample_points (image); while (list) { GimpSamplePoint *sample_point = list->data; gboolean remove_sample_point = FALSE; gint new_x = sample_point->x; gint new_y = sample_point->y; list = g_list_next (list); new_y += offset_y; if ((sample_point->y < 0) || (sample_point->y > new_height)) remove_sample_point = TRUE; new_x += offset_x; if ((sample_point->x < 0) || (sample_point->x > new_width)) remove_sample_point = TRUE; if (remove_sample_point) gimp_image_remove_sample_point (image, sample_point, TRUE); else if (new_x != sample_point->x || new_y != sample_point->y) gimp_image_move_sample_point (image, sample_point, new_x, new_y, TRUE); } gimp_image_undo_group_end (image); gimp_image_size_changed_detailed (image, offset_x, offset_y, old_width, old_height); g_object_thaw_notify (G_OBJECT (image)); gimp_unset_busy (image->gimp); }
void gimp_image_crop (GimpImage *image, GimpContext *context, gint x1, gint y1, gint x2, gint y2, gboolean active_layer_only, gboolean crop_layers) { gint width, height; gint previous_width, previous_height; g_return_if_fail (GIMP_IS_IMAGE (image)); g_return_if_fail (GIMP_IS_CONTEXT (context)); previous_width = gimp_image_get_width (image); previous_height = gimp_image_get_height (image); width = x2 - x1; height = y2 - y1; /* Make sure new width and height are non-zero */ if (width < 1 || height < 1) return; gimp_set_busy (image->gimp); if (active_layer_only) { GimpLayer *layer; gint off_x, off_y; layer = gimp_image_get_active_layer (image); gimp_item_offsets (GIMP_ITEM (layer), &off_x, &off_y); off_x -= x1; off_y -= y1; gimp_item_resize (GIMP_ITEM (layer), context, width, height, off_x, off_y); } else { GimpItem *item; GList *list; g_object_freeze_notify (G_OBJECT (image)); if (crop_layers) gimp_image_undo_group_start (image, GIMP_UNDO_GROUP_IMAGE_CROP, C_("command", "Crop Image")); else gimp_image_undo_group_start (image, GIMP_UNDO_GROUP_IMAGE_RESIZE, _("Resize Image")); /* Push the image size to the stack */ gimp_image_undo_push_image_size (image, NULL, x1, y1, width, height); /* Set the new width and height */ g_object_set (image, "width", width, "height", height, NULL); /* Resize all channels */ for (list = GIMP_LIST (image->channels)->list; list; list = g_list_next (list)) { item = (GimpItem *) list->data; gimp_item_resize (item, context, width, height, -x1, -y1); } /* Resize all vectors */ for (list = GIMP_LIST (image->vectors)->list; list; list = g_list_next (list)) { item = (GimpItem *) list->data; gimp_item_resize (item, context, width, height, -x1, -y1); } /* Don't forget the selection mask! */ gimp_item_resize (GIMP_ITEM (gimp_image_get_mask (image)), context, width, height, -x1, -y1); /* crop all layers */ list = GIMP_LIST (image->layers)->list; while (list) { item = (GimpItem *) list->data; list = g_list_next (list); gimp_item_translate (item, -x1, -y1, TRUE); if (crop_layers) { gint off_x, off_y; gint lx1, ly1, lx2, ly2; gimp_item_offsets (item, &off_x, &off_y); lx1 = CLAMP (off_x, 0, gimp_image_get_width (image)); ly1 = CLAMP (off_y, 0, gimp_image_get_height (image)); lx2 = CLAMP (gimp_item_width (item) + off_x, 0, gimp_image_get_width (image)); ly2 = CLAMP (gimp_item_height (item) + off_y, 0, gimp_image_get_height (image)); width = lx2 - lx1; height = ly2 - ly1; if (width > 0 && height > 0) gimp_item_resize (item, context, width, height, -(lx1 - off_x), -(ly1 - off_y)); else gimp_image_remove_layer (image, GIMP_LAYER (item)); } } /* Reposition or remove all guides */ list = gimp_image_get_guides (image); while (list) { GimpGuide *guide = list->data; gboolean remove_guide = FALSE; gint position = gimp_guide_get_position (guide); list = g_list_next (list); switch (gimp_guide_get_orientation (guide)) { case GIMP_ORIENTATION_HORIZONTAL: if ((position < y1) || (position > y2)) remove_guide = TRUE; else position -= y1; break; case GIMP_ORIENTATION_VERTICAL: if ((position < x1) || (position > x2)) remove_guide = TRUE; else position -= x1; break; default: break; } if (remove_guide) gimp_image_remove_guide (image, guide, TRUE); else if (position != gimp_guide_get_position (guide)) gimp_image_move_guide (image, guide, position, TRUE); } /* Reposition or remove sample points */ list = gimp_image_get_sample_points (image); while (list) { GimpSamplePoint *sample_point = list->data; gboolean remove_sample_point = FALSE; gint new_x = sample_point->x; gint new_y = sample_point->y; list = g_list_next (list); new_y -= y1; if ((sample_point->y < y1) || (sample_point->y > y2)) remove_sample_point = TRUE; new_x -= x1; if ((sample_point->x < x1) || (sample_point->x > x2)) remove_sample_point = TRUE; if (remove_sample_point) gimp_image_remove_sample_point (image, sample_point, TRUE); else if (new_x != sample_point->x || new_y != sample_point->y) gimp_image_move_sample_point (image, sample_point, new_x, new_y, TRUE); } gimp_image_undo_group_end (image); gimp_image_update (image, 0, 0, gimp_image_get_width (image), gimp_image_get_height (image)); gimp_image_size_changed_detailed (image, -x1, -y1, previous_width, previous_height); g_object_thaw_notify (G_OBJECT (image)); } gimp_unset_busy (image->gimp); }
void gimp_image_crop (GimpImage *image, GimpContext *context, GimpFillType fill_type, gint x, gint y, gint width, gint height, gboolean crop_layers) { GList *list; gint previous_width; gint previous_height; g_return_if_fail (GIMP_IS_IMAGE (image)); g_return_if_fail (GIMP_IS_CONTEXT (context)); previous_width = gimp_image_get_width (image); previous_height = gimp_image_get_height (image); /* Make sure new width and height are non-zero */ if (width < 1 || height < 1) return; gimp_set_busy (image->gimp); g_object_freeze_notify (G_OBJECT (image)); if (crop_layers) gimp_image_undo_group_start (image, GIMP_UNDO_GROUP_IMAGE_CROP, C_("undo-type", "Crop Image")); else gimp_image_undo_group_start (image, GIMP_UNDO_GROUP_IMAGE_RESIZE, C_("undo-type", "Resize Image")); /* Push the image size to the stack */ gimp_image_undo_push_image_size (image, NULL, x, y, width, height); /* Set the new width and height */ g_object_set (image, "width", width, "height", height, NULL); /* Resize all channels */ for (list = gimp_image_get_channel_iter (image); list; list = g_list_next (list)) { GimpItem *item = list->data; gimp_item_resize (item, context, GIMP_FILL_TRANSPARENT, width, height, -x, -y); } /* Resize all vectors */ for (list = gimp_image_get_vectors_iter (image); list; list = g_list_next (list)) { GimpItem *item = list->data; gimp_item_resize (item, context, GIMP_FILL_TRANSPARENT, width, height, -x, -y); } /* Don't forget the selection mask! */ gimp_item_resize (GIMP_ITEM (gimp_image_get_mask (image)), context, GIMP_FILL_TRANSPARENT, width, height, -x, -y); /* crop all layers */ list = gimp_image_get_layer_iter (image); while (list) { GimpItem *item = list->data; list = g_list_next (list); gimp_item_translate (item, -x, -y, TRUE); if (crop_layers) { gint off_x, off_y; gint lx1, ly1, lx2, ly2; gimp_item_get_offset (item, &off_x, &off_y); lx1 = CLAMP (off_x, 0, gimp_image_get_width (image)); ly1 = CLAMP (off_y, 0, gimp_image_get_height (image)); lx2 = CLAMP (gimp_item_get_width (item) + off_x, 0, gimp_image_get_width (image)); ly2 = CLAMP (gimp_item_get_height (item) + off_y, 0, gimp_image_get_height (image)); width = lx2 - lx1; height = ly2 - ly1; if (width > 0 && height > 0) { gimp_item_resize (item, context, fill_type, width, height, -(lx1 - off_x), -(ly1 - off_y)); } else { gimp_image_remove_layer (image, GIMP_LAYER (item), TRUE, NULL); } } } /* Reposition or remove guides */ list = gimp_image_get_guides (image); while (list) { GimpGuide *guide = list->data; gboolean remove_guide = FALSE; gint position = gimp_guide_get_position (guide); list = g_list_next (list); switch (gimp_guide_get_orientation (guide)) { case GIMP_ORIENTATION_HORIZONTAL: position -= y; if ((position < 0) || (position > height)) remove_guide = TRUE; break; case GIMP_ORIENTATION_VERTICAL: position -= x; if ((position < 0) || (position > width)) remove_guide = TRUE; break; default: break; } if (remove_guide) gimp_image_remove_guide (image, guide, TRUE); else if (position != gimp_guide_get_position (guide)) gimp_image_move_guide (image, guide, position, TRUE); } /* Reposition or remove sample points */ list = gimp_image_get_sample_points (image); while (list) { GimpSamplePoint *sample_point = list->data; gboolean remove_sample_point = FALSE; gint old_x; gint old_y; gint new_x; gint new_y; list = g_list_next (list); gimp_sample_point_get_position (sample_point, &old_x, &old_y); new_x = old_x; new_y = old_y; new_y -= y; if ((new_y < 0) || (new_y > height)) remove_sample_point = TRUE; new_x -= x; if ((new_x < 0) || (new_x > width)) remove_sample_point = TRUE; if (remove_sample_point) gimp_image_remove_sample_point (image, sample_point, TRUE); else if (new_x != old_x || new_y != old_y) gimp_image_move_sample_point (image, sample_point, new_x, new_y, TRUE); } gimp_image_undo_group_end (image); gimp_image_size_changed_detailed (image, -x, -y, previous_width, previous_height); g_object_thaw_notify (G_OBJECT (image)); gimp_unset_busy (image->gimp); }
void gimp_image_rotate (GimpImage *image, GimpContext *context, GimpRotationType rotate_type, GimpProgress *progress) { GList *list; gdouble center_x; gdouble center_y; gdouble progress_max; gdouble progress_current = 1.0; gint new_image_width; gint new_image_height; gint previous_image_width; gint previous_image_height; gint offset_x; gint offset_y; gboolean size_changed; g_return_if_fail (GIMP_IS_IMAGE (image)); g_return_if_fail (GIMP_IS_CONTEXT (context)); g_return_if_fail (progress == NULL || GIMP_IS_PROGRESS (progress)); gimp_set_busy (image->gimp); previous_image_width = gimp_image_get_width (image); previous_image_height = gimp_image_get_height (image); center_x = previous_image_width / 2.0; center_y = previous_image_height / 2.0; progress_max = (gimp_container_get_n_children (gimp_image_get_channels (image)) + gimp_container_get_n_children (gimp_image_get_layers (image)) + gimp_container_get_n_children (gimp_image_get_vectors (image)) + 1 /* selection */); g_object_freeze_notify (G_OBJECT (image)); gimp_image_undo_group_start (image, GIMP_UNDO_GROUP_IMAGE_ROTATE, NULL); /* Resize the image (if needed) */ switch (rotate_type) { case GIMP_ROTATE_90: case GIMP_ROTATE_270: new_image_width = gimp_image_get_height (image); new_image_height = gimp_image_get_width (image); size_changed = TRUE; offset_x = (gimp_image_get_width (image) - new_image_width) / 2; offset_y = (gimp_image_get_height (image) - new_image_height) / 2; break; case GIMP_ROTATE_180: new_image_width = gimp_image_get_width (image); new_image_height = gimp_image_get_height (image); size_changed = FALSE; offset_x = 0; offset_y = 0; break; default: g_assert_not_reached (); return; } /* Rotate all channels */ for (list = gimp_image_get_channel_iter (image); list; list = g_list_next (list)) { GimpItem *item = list->data; gimp_item_rotate (item, context, rotate_type, center_x, center_y, FALSE); gimp_item_set_offset (item, 0, 0); if (progress) gimp_progress_set_value (progress, progress_current++ / progress_max); } /* Rotate all vectors */ for (list = gimp_image_get_vectors_iter (image); list; list = g_list_next (list)) { GimpItem *item = list->data; gimp_item_rotate (item, context, rotate_type, center_x, center_y, FALSE); gimp_item_set_offset (item, 0, 0); gimp_item_set_size (item, new_image_width, new_image_height); gimp_item_translate (item, (new_image_width - gimp_image_get_width (image)) / 2, (new_image_height - gimp_image_get_height (image)) / 2, FALSE); if (progress) gimp_progress_set_value (progress, progress_current++ / progress_max); } /* Don't forget the selection mask! */ { GimpChannel *mask = gimp_image_get_mask (image); gimp_item_rotate (GIMP_ITEM (mask), context, rotate_type, center_x, center_y, FALSE); gimp_item_set_offset (GIMP_ITEM (mask), 0, 0); if (progress) gimp_progress_set_value (progress, progress_current++ / progress_max); } /* Rotate all layers */ for (list = gimp_image_get_layer_iter (image); list; list = g_list_next (list)) { GimpItem *item = list->data; gint off_x; gint off_y; gimp_item_get_offset (item, &off_x, &off_y); gimp_item_rotate (item, context, rotate_type, center_x, center_y, FALSE); gimp_image_rotate_item_offset (image, rotate_type, item, off_x, off_y); if (progress) gimp_progress_set_value (progress, progress_current++ / progress_max); } /* Rotate all Guides */ gimp_image_rotate_guides (image, rotate_type); /* Rotate all sample points */ gimp_image_rotate_sample_points (image, rotate_type); /* Resize the image (if needed) */ if (size_changed) { gdouble xres; gdouble yres; gimp_image_undo_push_image_size (image, NULL, offset_x, offset_y, new_image_width, new_image_height); g_object_set (image, "width", new_image_width, "height", new_image_height, NULL); gimp_image_get_resolution (image, &xres, &yres); if (xres != yres) gimp_image_set_resolution (image, yres, xres); } gimp_image_undo_group_end (image); if (size_changed) gimp_image_size_changed_detailed (image, -offset_x, -offset_y, previous_image_width, previous_image_height); g_object_thaw_notify (G_OBJECT (image)); gimp_unset_busy (image->gimp); }
void gimp_image_scale (GimpImage *image, gint new_width, gint new_height, GimpInterpolationType interpolation_type, GimpProgress *progress) { GimpProgress *sub_progress; GList *all_layers; GList *all_channels; GList *all_vectors; GList *list; gint old_width; gint old_height; gint offset_x; gint offset_y; gdouble img_scale_w = 1.0; gdouble img_scale_h = 1.0; gint progress_steps; gint progress_current = 0; g_return_if_fail (GIMP_IS_IMAGE (image)); g_return_if_fail (new_width > 0 && new_height > 0); g_return_if_fail (progress == NULL || GIMP_IS_PROGRESS (progress)); gimp_set_busy (image->gimp); sub_progress = gimp_sub_progress_new (progress); all_layers = gimp_image_get_layer_list (image); all_channels = gimp_image_get_channel_list (image); all_vectors = gimp_image_get_vectors_list (image); progress_steps = (g_list_length (all_layers) + g_list_length (all_channels) + g_list_length (all_vectors) + 1 /* selection */); g_object_freeze_notify (G_OBJECT (image)); gimp_image_undo_group_start (image, GIMP_UNDO_GROUP_IMAGE_SCALE, C_("undo-type", "Scale Image")); old_width = gimp_image_get_width (image); old_height = gimp_image_get_height (image); img_scale_w = (gdouble) new_width / (gdouble) old_width; img_scale_h = (gdouble) new_height / (gdouble) old_height; offset_x = (old_width - new_width) / 2; offset_y = (old_height - new_height) / 2; /* Push the image size to the stack */ gimp_image_undo_push_image_size (image, NULL, offset_x, offset_y, new_width, new_height); /* Set the new width and height early, so below image item setters * (esp. guides and sample points) don't choke about moving stuff * out of the image */ g_object_set (image, "width", new_width, "height", new_height, NULL); /* Scale all channels */ for (list = all_channels; list; list = g_list_next (list)) { GimpItem *item = list->data; gimp_sub_progress_set_step (GIMP_SUB_PROGRESS (sub_progress), progress_current++, progress_steps); gimp_item_scale (item, new_width, new_height, 0, 0, interpolation_type, sub_progress); } /* Scale all vectors */ for (list = all_vectors; list; list = g_list_next (list)) { GimpItem *item = list->data; gimp_sub_progress_set_step (GIMP_SUB_PROGRESS (sub_progress), progress_current++, progress_steps); gimp_item_scale (item, new_width, new_height, 0, 0, interpolation_type, sub_progress); } /* Don't forget the selection mask! */ gimp_sub_progress_set_step (GIMP_SUB_PROGRESS (sub_progress), progress_current++, progress_steps); gimp_item_scale (GIMP_ITEM (gimp_image_get_mask (image)), new_width, new_height, 0, 0, interpolation_type, sub_progress); /* Scale all layers */ for (list = all_layers; list; list = g_list_next (list)) { GimpItem *item = list->data; gimp_sub_progress_set_step (GIMP_SUB_PROGRESS (sub_progress), progress_current++, progress_steps); /* group layers are updated automatically */ if (gimp_viewable_get_children (GIMP_VIEWABLE (item))) { gimp_group_layer_suspend_resize (GIMP_GROUP_LAYER (item), FALSE); continue; } if (! gimp_item_scale_by_factors (item, img_scale_w, img_scale_h, interpolation_type, sub_progress)) { /* Since 0 < img_scale_w, img_scale_h, failure due to one or more * vanishing scaled layer dimensions. Implicit delete implemented * here. Upstream warning implemented in resize_check_layer_scaling(), * which offers the user the chance to bail out. */ gimp_image_remove_layer (image, GIMP_LAYER (item), TRUE, NULL); } } for (list = all_layers; list; list = g_list_next (list)) if (gimp_viewable_get_children (list->data)) gimp_group_layer_resume_resize (list->data, FALSE); /* Scale all Guides */ for (list = gimp_image_get_guides (image); list; list = g_list_next (list)) { GimpGuide *guide = list->data; gint position = gimp_guide_get_position (guide); switch (gimp_guide_get_orientation (guide)) { case GIMP_ORIENTATION_HORIZONTAL: gimp_image_move_guide (image, guide, (position * new_height) / old_height, TRUE); break; case GIMP_ORIENTATION_VERTICAL: gimp_image_move_guide (image, guide, (position * new_width) / old_width, TRUE); break; default: break; } } /* Scale all sample points */ for (list = gimp_image_get_sample_points (image); list; list = g_list_next (list)) { GimpSamplePoint *sample_point = list->data; gimp_image_move_sample_point (image, sample_point, sample_point->x * new_width / old_width, sample_point->y * new_height / old_height, TRUE); } gimp_image_undo_group_end (image); g_list_free (all_layers); g_list_free (all_channels); g_list_free (all_vectors); g_object_unref (sub_progress); gimp_image_size_changed_detailed (image, -offset_x, -offset_y, old_width, old_height); g_object_thaw_notify (G_OBJECT (image)); gimp_unset_busy (image->gimp); }