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Diffstat (limited to 'shell/e-shell-corba-icon-utils.c')
| -rw-r--r-- | shell/e-shell-corba-icon-utils.c | 142 |
1 files changed, 142 insertions, 0 deletions
diff --git a/shell/e-shell-corba-icon-utils.c b/shell/e-shell-corba-icon-utils.c new file mode 100644 index 0000000000..53ce1ecc81 --- /dev/null +++ b/shell/e-shell-corba-icon-utils.c @@ -0,0 +1,142 @@ +/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */ +/* e-shell-corba-icon-utils.c + * + * Copyright (C) 2002 Ximian, Inc. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of version 2 of the GNU General Public + * License as published by the Free Software Foundation. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public + * License along with this program; if not, write to the + * Free Software Foundation, Inc., 59 Temple Place - Suite 330, + * Boston, MA 02111-1307, USA. + * + * Author: Ettore Perazzoli + */ + +#include "e-shell-corba-icon-utils.h" + + + +/** + * e_store_corba_icon_from_pixbuf: + * @pixbuf: + * @icon_return: + * + * Store a CORBA Evolution::Icon in *@icon_return. @icon_return is not + * supposed to point to allocated memory, so all of its pointers are just + * overwritten. + **/ +void +e_store_corba_icon_from_pixbuf (GdkPixbuf *pixbuf, + GNOME_Evolution_Icon *icon_return) +{ + const char *sp; + CORBA_octet *dp; + int width, height, total_width, rowstride; + int i, j; + gboolean has_alpha; + + if (pixbuf == NULL) { + icon_return->width = 0; + icon_return->height = 0; + icon_return->hasAlpha = FALSE; + icon_return->rgbaData._length = 0; + icon_return->rgbaData._maximum = 0; + icon_return->rgbaData._buffer = NULL; + return; + } + + width = gdk_pixbuf_get_width (pixbuf); + height = gdk_pixbuf_get_height (pixbuf); + rowstride = gdk_pixbuf_get_rowstride (pixbuf); + has_alpha = gdk_pixbuf_get_has_alpha (pixbuf); + + if (has_alpha) + total_width = 4 * width; + else + total_width = 3 * width; + + icon_return->width = width; + icon_return->height = height; + icon_return->hasAlpha = has_alpha; + + icon_return->rgbaData._length = icon_return->height * total_width; + icon_return->rgbaData._maximum = icon_return->rgbaData._length; + icon_return->rgbaData._buffer = CORBA_sequence_CORBA_octet_allocbuf (icon_return->rgbaData._maximum); + + sp = gdk_pixbuf_get_pixels (pixbuf); + dp = icon_return->rgbaData._buffer; + for (i = 0; i < height; i ++) { + for (j = 0; j < total_width; j++) + *(dp ++) = sp[j]; + sp += rowstride; + } + + CORBA_sequence_set_release (& icon_return->rgbaData, TRUE); +} + +/** + * e_new_corba_icon_from_pixbuf: + * @pixbuf: + * + * Create a CORBA Evolution::Icon from the specified @pixbuf. + * + * Return value: The new Evolution::Icon. + **/ +GNOME_Evolution_Icon * +e_new_corba_icon_from_pixbuf (GdkPixbuf *pixbuf) +{ + GNOME_Evolution_Icon *icon; + + icon = GNOME_Evolution_Icon__alloc (); + e_store_corba_icon_from_pixbuf (pixbuf, icon); + + return icon; +} + +/** + * e_new_corba_animated_icon_from_pixbuf_array: + * @pixbuf_array: + * + * Generate a CORBA Evolution::AnimatedIcon from a NULL-terminated + * @pixbuf_array. + * + * Return value: The new Evolution::AnimatedIcon. + **/ +GNOME_Evolution_AnimatedIcon * +e_new_corba_animated_icon_from_pixbuf_array (GdkPixbuf **pixbuf_array) +{ + GNOME_Evolution_AnimatedIcon *animated_icon; + GdkPixbuf **p; + int num_frames; + int i; + + g_return_val_if_fail (pixbuf_array != NULL, NULL); + + num_frames = 0; + for (p = pixbuf_array; *p != NULL; p++) + num_frames++; + + if (num_frames == 0) + return NULL; + + animated_icon = GNOME_Evolution_AnimatedIcon__alloc (); + + animated_icon->_length = num_frames; + animated_icon->_maximum = num_frames; + animated_icon->_buffer = CORBA_sequence_GNOME_Evolution_Icon_allocbuf (animated_icon->_maximum); + + for (i = 0; i < num_frames; i++) + e_store_corba_icon_from_pixbuf (pixbuf_array[i], & animated_icon->_buffer[i]); + + CORBA_sequence_set_release (animated_icon, TRUE); + + return animated_icon; +} |