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Update for new capplet Update Name/Comment/Exec entries

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2004-01-12  Rodney Dawes  <dobey@ximian.com>

	* Makefile.am: Update for new capplet
	* background.desktop.in: Update Name/Comment/Exec entries
	* gnome-wp-capplet.[ch]:
	* gnome-wp-info.[ch]:
	* gnome-wp-item.[ch]:
	* gnome-wp-utils.[ch]:
	* gnome-wp-xml.[ch]: Add new capplet code to CVS
This commit is contained in:
Rodney Dawes 2004-01-12 05:10:40 +00:00 • committed by Rodney Dawes
parent 2865c350b6
commit 2e428e7746
14 changed files with 2662 additions and 14 deletions
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162
capplets/background/gnome-wp-utils.c Normal file
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@ -0,0 +1,162 @@
/*
* Authors: Rodney Dawes <dobey@ximian.com>
*
* Copyright 2003 Novell, Inc. (www.novell.com)
*
* 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 Street #330, Boston, MA 02111-1307, USA.
*
*/
#include "gnome-wp-utils.h"
GdkPixbuf * gnome_wp_pixbuf_new_gradient (GtkOrientation orientation,
GdkColor * c1,
GdkColor * c2,
gint width, gint height) {
GdkPixbuf * pixbuf;
gint i, j;
gint dr, dg, db;
gint gs1;
gint vc = ((orientation == GTK_ORIENTATION_HORIZONTAL) || (c1 == c2));
guchar * b, * row, * d;
int rowstride;
pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, FALSE, 8, width, height);
d = gdk_pixbuf_get_pixels (pixbuf);
rowstride = gdk_pixbuf_get_rowstride (pixbuf);
dr = c2->red - c1->red;
dg = c2->green - c1->green;
db = c2->blue - c1->blue;
gs1 = (orientation == GTK_ORIENTATION_VERTICAL) ? height - 1 : width - 1;
row = g_new (unsigned char, rowstride);
if (vc) {
b = row;
for (j = 0; j < width; j++) {
*b++ = (c1->red + (j * dr) / gs1) >> 8;
*b++ = (c1->green + (j * dg) / gs1) >> 8;
*b++ = (c1->blue + (j * db) / gs1) >> 8;
}
}
for (i = 0; i < height; i++) {
if (!vc) {
unsigned char cr, cg, cb;
cr = (c1->red + (i * dr) / gs1) >> 8;
cg = (c1->green + (i * dg) / gs1) >> 8;
cb = (c1->blue + (i * db) / gs1) >> 8;
b = row;
for (j = 0; j < width; j++) {
*b++ = cr;
*b++ = cg;
*b++ = cb;
}
}
memcpy (d, row, width * 3);
d += rowstride;
}
g_free (row);
return pixbuf;
}
GdkPixbuf * gnome_wp_pixbuf_new_solid (GdkColor * color,
gint width, gint height) {
GdkPixbuf * pixbuf;
gint j, rowstride;
guchar * b, * d, * row;
pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB, FALSE, 8, width, height);
d = gdk_pixbuf_get_pixels (pixbuf);
rowstride = gdk_pixbuf_get_rowstride (pixbuf);
row = g_new (unsigned char, rowstride);
b = row;
for (j = 0; j < width; j++) {
*b++ = color->red >> 8;
*b++ = color->green >> 8;
*b++ = color->blue >> 8;
}
for (j = 0; j < height; j++) {
memcpy (d, row, width * 3);
d += rowstride;
}
g_free (row);
return pixbuf;
}
GdkPixbuf * gnome_wp_pixbuf_tile (GdkPixbuf * src_pixbuf,
GdkPixbuf * dest_pixbuf) {
gdouble cx, cy;
gdouble colorv;
gint dwidth, dheight;
gint swidth, sheight;
guint alpha = 255;
if (dest_pixbuf == NULL) {
return src_pixbuf;
}
swidth = gdk_pixbuf_get_width (src_pixbuf);
sheight = gdk_pixbuf_get_height (src_pixbuf);
dwidth = gdk_pixbuf_get_width (dest_pixbuf);
dheight = gdk_pixbuf_get_height (dest_pixbuf);
for (cy = 0; cy < dheight; cy += sheight) {
for (cx = 0; cx < dwidth; cx += swidth) {
gdk_pixbuf_composite (src_pixbuf, dest_pixbuf, cx, cy,
MIN (swidth, dwidth - cx),
MIN (sheight, dheight - cy),
cx, cy, 1.0, 1.0, GDK_INTERP_BILINEAR, alpha);
}
}
return dest_pixbuf;
}
GdkPixbuf * gnome_wp_pixbuf_center (GdkPixbuf * src_pixbuf,
GdkPixbuf * dest_pixbuf) {
gdouble cx, cy;
gdouble colorv;
gint dwidth, dheight;
gint swidth, sheight;
guint alpha = 255;
if (dest_pixbuf == NULL) {
return src_pixbuf;
}
swidth = gdk_pixbuf_get_width (src_pixbuf);
sheight = gdk_pixbuf_get_height (src_pixbuf);
dwidth = gdk_pixbuf_get_width (dest_pixbuf);
dheight = gdk_pixbuf_get_height (dest_pixbuf);
cx = (dwidth - swidth) / 2;
cy = (dheight - sheight) / 2;
gdk_pixbuf_composite (src_pixbuf, dest_pixbuf, cx, cy,
swidth, sheight,
cx, cy, 1.0, 1.0, GDK_INTERP_BILINEAR, alpha);
return dest_pixbuf;
}