TempBuf * gimp_drawable_get_sub_preview (GimpDrawable *drawable, gint src_x, gint src_y, gint src_width, gint src_height, gint dest_width, gint dest_height) { GimpItem *item; GimpImage *image; g_return_val_if_fail (GIMP_IS_DRAWABLE (drawable), NULL); g_return_val_if_fail (src_x >= 0, NULL); g_return_val_if_fail (src_y >= 0, NULL); g_return_val_if_fail (src_width > 0, NULL); g_return_val_if_fail (src_height > 0, NULL); g_return_val_if_fail (dest_width > 0, NULL); g_return_val_if_fail (dest_height > 0, NULL); item = GIMP_ITEM (drawable); g_return_val_if_fail ((src_x + src_width) <= gimp_item_width (item), NULL); g_return_val_if_fail ((src_y + src_height) <= gimp_item_height (item), NULL); image = gimp_item_get_image (item); if (! image->gimp->config->layer_previews) return NULL; if (GIMP_IMAGE_TYPE_BASE_TYPE (gimp_drawable_type (drawable)) == GIMP_INDEXED) return gimp_drawable_indexed_preview (drawable, gimp_image_get_colormap (image), src_x, src_y, src_width, src_height, dest_width, dest_height); return tile_manager_get_sub_preview (gimp_drawable_get_tiles (drawable), src_x, src_y, src_width, src_height, dest_width, dest_height); }
gint gimp_drawable_preview_bytes (GimpDrawable *drawable) { GimpImageBaseType base_type; gint bytes = 0; g_return_val_if_fail (GIMP_IS_DRAWABLE (drawable), 0); base_type = GIMP_IMAGE_TYPE_BASE_TYPE (gimp_drawable_type (drawable)); switch (base_type) { case GIMP_RGB: case GIMP_GRAY: bytes = gimp_drawable_bytes (drawable); break; case GIMP_INDEXED: bytes = gimp_drawable_has_alpha (drawable) ? 4 : 3; break; } return bytes; }
static void gimp_display_shell_drop_pixbuf (GtkWidget *widget, gint x, gint y, GdkPixbuf *pixbuf, gpointer data) { GimpDisplayShell *shell = GIMP_DISPLAY_SHELL (data); GimpImage *image = shell->display->image; GimpLayer *new_layer; GimpImageType image_type; gboolean new_image = FALSE; GIMP_LOG (DND, NULL); if (shell->display->gimp->busy) return; switch (gdk_pixbuf_get_n_channels (pixbuf)) { case 1: image_type = GIMP_GRAY_IMAGE; break; case 2: image_type = GIMP_GRAYA_IMAGE; break; case 3: image_type = GIMP_RGB_IMAGE; break; case 4: image_type = GIMP_RGBA_IMAGE; break; break; default: g_return_if_reached (); break; } if (! image) { image = gimp_create_image (shell->display->gimp, gdk_pixbuf_get_width (pixbuf), gdk_pixbuf_get_height (pixbuf), GIMP_IMAGE_TYPE_BASE_TYPE (image_type), FALSE); gimp_create_display (image->gimp, image, GIMP_UNIT_PIXEL, 1.0); g_object_unref (image); gimp_image_undo_disable (image); new_image = TRUE; } new_layer = gimp_layer_new_from_pixbuf (pixbuf, image, image_type, _("Dropped Buffer"), GIMP_OPACITY_OPAQUE, GIMP_NORMAL_MODE); if (new_layer) { GimpItem *new_item = GIMP_ITEM (new_layer); new_item = GIMP_ITEM (new_layer); gimp_image_undo_group_start (image, GIMP_UNDO_GROUP_EDIT_PASTE, _("Drop New Layer")); if (! new_image) gimp_display_shell_dnd_position_item (shell, new_item); gimp_image_add_layer (image, new_layer, -1); gimp_image_undo_group_end (image); gimp_display_shell_dnd_flush (shell, image); } if (new_image) gimp_image_undo_enable (image); }
static void gimp_display_shell_drop_drawable (GtkWidget *widget, gint x, gint y, GimpViewable *viewable, gpointer data) { GimpDisplayShell *shell = GIMP_DISPLAY_SHELL (data); GimpImage *image = shell->display->image; GType new_type; GimpItem *new_item; gboolean new_image = FALSE; GIMP_LOG (DND, NULL); if (shell->display->gimp->busy) return; if (! image) { GimpImage *src_image = gimp_item_get_image (GIMP_ITEM (viewable)); GimpDrawable *drawable = GIMP_DRAWABLE (viewable); GimpImageBaseType type; gdouble xres; gdouble yres; type = GIMP_IMAGE_TYPE_BASE_TYPE (gimp_drawable_type (drawable)); image = gimp_create_image (shell->display->gimp, gimp_item_width (GIMP_ITEM (viewable)), gimp_item_height (GIMP_ITEM (viewable)), type, TRUE); gimp_image_undo_disable (image); if (type == GIMP_INDEXED) gimp_image_set_colormap (image, gimp_image_get_colormap (src_image), gimp_image_get_colormap_size (src_image), FALSE); gimp_image_get_resolution (src_image, &xres, &yres); gimp_image_set_resolution (image, xres, yres); gimp_image_set_unit (image, gimp_image_get_unit (src_image)); gimp_create_display (image->gimp, image, GIMP_UNIT_PIXEL, 1.0); g_object_unref (image); new_image = TRUE; } if (GIMP_IS_LAYER (viewable)) new_type = G_TYPE_FROM_INSTANCE (viewable); else new_type = GIMP_TYPE_LAYER; new_item = gimp_item_convert (GIMP_ITEM (viewable), image, new_type); if (new_item) { GimpLayer *new_layer = GIMP_LAYER (new_item); gimp_image_undo_group_start (image, GIMP_UNDO_GROUP_EDIT_PASTE, _("Drop New Layer")); if (! new_image) gimp_display_shell_dnd_position_item (shell, new_item); gimp_item_set_visible (new_item, TRUE, FALSE); gimp_item_set_linked (new_item, FALSE, FALSE); gimp_image_add_layer (image, new_layer, -1); gimp_image_undo_group_end (image); gimp_display_shell_dnd_flush (shell, image); } if (new_image) gimp_image_undo_enable (image); }