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#define __SP_CURSOR_C__
/*
* Some convenience stuff
*
* Authors:
* Lauris Kaplinski <lauris@kaplinski.com>
*
* Copyright (C) 1999-2002 authors
* Copyright (C) 2001-2002 Ximian, Inc.
*
* Released under GNU GPL, read the file 'COPYING' for more information
*/
#include <string.h>
#include <ctype.h>
#include "sp-cursor.h"
void sp_cursor_bitmap_and_mask_from_xpm (GdkBitmap **bitmap, GdkBitmap **mask, gchar **xpm)
{
int height;
int width;
int colors;
int pix;
sscanf(xpm[0], "%d %d %d %d", &height, &width, &colors, &pix);
g_return_if_fail (height == 32);
g_return_if_fail (width == 32);
g_return_if_fail (colors >= 3);
int transparent_color = ' ';
int black_color = '.';
char pixmap_buffer[(32 * 32)/8];
char mask_buffer[(32 * 32)/8];
for (int i = 0; i < colors; i++) {
char const *p = xpm[1 + i];
char const ccode = *p;
p++;
while (isspace(*p)) {
p++;
}
p++;
while (isspace(*p)) {
p++;
}
if (strcmp(p, "None") == 0) {
transparent_color = ccode;
}
if (strcmp(p, "#000000") == 0) {
black_color = ccode;
}
}
for (int y = 0; y < 32; y++) {
for (int x = 0; x < 32; ) {
char value = 0;
char maskv = 0;
for (int pix = 0; pix < 8; pix++, x++){
if (xpm [4+y][x] != transparent_color) {
maskv |= 1 << pix;
if (xpm [4+y][x] == black_color) {
value |= 1 << pix;
}
}
}
pixmap_buffer[(y * 4 + x/8)-1] = value;
mask_buffer[(y * 4 + x/8)-1] = maskv;
}
}
*bitmap = gdk_bitmap_create_from_data(NULL, pixmap_buffer, 32, 32);
*mask = gdk_bitmap_create_from_data(NULL, mask_buffer, 32, 32);
}
GdkCursor *sp_cursor_new_from_xpm (gchar **xpm, gint hot_x, gint hot_y)
{
GdkDisplay *display=gdk_display_get_default();
if (
gdk_display_supports_cursor_alpha(display) &
gdk_display_supports_cursor_color(display)
)
{
GdkPixbuf *pixbuf=NULL;
GdkCursor *new_cursor=NULL;
pixbuf=gdk_pixbuf_new_from_xpm_data((const char**)xpm);
if (pixbuf != NULL){
new_cursor = gdk_cursor_new_from_pixbuf(display,pixbuf,hot_x,hot_y);
}
return new_cursor;
}
else
{
GdkColor const fg = { 0, 0, 0, 0 };
GdkColor const bg = { 0, 65535, 65535, 65535 };
GdkBitmap *bitmap = NULL;
GdkBitmap *mask = NULL;
sp_cursor_bitmap_and_mask_from_xpm (&bitmap, &mask, xpm);
if ( bitmap != NULL && mask != NULL ) {
GdkCursor *new_cursor = gdk_cursor_new_from_pixmap (bitmap, mask,
&fg, &bg,
hot_x, hot_y);
g_object_unref (bitmap);
g_object_unref (mask);
return new_cursor;
}
}
return NULL;
}
/*
Local Variables:
mode:c++
c-file-style:"stroustrup"
c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
indent-tabs-mode:nil
fill-column:99
End:
*/
// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4 :
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