739 lines
18 KiB
C
739 lines
18 KiB
C
/**************************************************************************
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*
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* Tint2 : common windows function
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*
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* Copyright (C) 2007 Pål Staurland (staura@gmail.com)
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* Modified (C) 2008 thierry lorthiois (lorthiois@bbsoft.fr) from Omega distribution
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License version 2
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* as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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**************************************************************************/
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#include <X11/Xlib.h>
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#include <X11/Xutil.h>
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#include <X11/Xatom.h>
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#include <X11/extensions/Xrender.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <math.h>
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#include <unistd.h>
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#include <glib.h>
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#include <glib/gstdio.h>
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#include "common.h"
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#include "../server.h"
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#include <sys/wait.h>
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#include <sys/types.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <sys/time.h>
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#include <sys/resource.h>
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#include <errno.h>
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#include <sys/sysctl.h>
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#include <dirent.h>
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#ifdef HAVE_RSVG
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#include <librsvg/rsvg.h>
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#endif
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void copy_file(const char *path_src, const char *path_dest)
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{
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if (g_str_equal(path_src, path_dest))
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return;
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FILE *file_src, *file_dest;
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char buffer[4096];
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int nb;
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file_src = fopen(path_src, "rb");
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if (file_src == NULL)
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return;
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file_dest = fopen(path_dest, "wb");
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if (file_dest == NULL) {
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fclose(file_src);
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return;
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}
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while ((nb = fread(buffer, 1, sizeof(buffer), file_src)) > 0) {
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if (nb != fwrite(buffer, 1, nb, file_dest)) {
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printf("Error while copying file %s to %s\n", path_src, path_dest);
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}
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}
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fclose(file_dest);
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fclose(file_src);
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}
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int parse_line(const char *line, char **key, char **value)
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{
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char *a, *b;
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/* Skip useless lines */
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if ((line[0] == '#') || (line[0] == '\n'))
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return 0;
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if (!(a = strchr(line, '=')))
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return 0;
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/* overwrite '=' with '\0' */
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a[0] = '\0';
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*key = strdup(line);
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a++;
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/* overwrite '\n' with '\0' if '\n' present */
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if ((b = strchr(a, '\n')))
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b[0] = '\0';
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*value = strdup(a);
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g_strstrip(*key);
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g_strstrip(*value);
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return 1;
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}
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void tint_exec(const char *command)
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{
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if (command) {
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if (fork() == 0) {
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// change for the fork the signal mask
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// sigset_t sigset;
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// sigprocmask(SIG_SETMASK, &sigset, 0);
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// sigprocmask(SIG_UNBLOCK, &sigset, 0);
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execl("/bin/sh", "/bin/sh", "-c", command, NULL);
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_exit(0);
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}
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}
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}
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char *expand_tilde(char *s)
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{
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const gchar *home = g_get_home_dir();
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if (home && (strcmp(s, "~") == 0 || strstr(s, "~/") == s)) {
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char *result = calloc(strlen(home) + strlen(s), 1);
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strcat(result, home);
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strcat(result, s + 1);
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return result;
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} else {
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return strdup(s);
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}
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}
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char *contract_tilde(char *s)
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{
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const gchar *home = g_get_home_dir();
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if (!home)
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return strdup(s);
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char *home_slash = calloc(strlen(home) + 2, 1);
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strcat(home_slash, home);
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strcat(home_slash, "/");
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if ((strcmp(s, home) == 0 || strstr(s, home_slash) == s)) {
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char *result = calloc(strlen(s) - strlen(home) + 2, 1);
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strcat(result, "~");
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strcat(result, s + strlen(home));
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free(home_slash);
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return result;
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} else {
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free(home_slash);
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return strdup(s);
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}
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}
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int hex_char_to_int(char c)
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{
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int r;
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if (c >= '0' && c <= '9')
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r = c - '0';
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else if (c >= 'a' && c <= 'f')
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r = c - 'a' + 10;
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else if (c >= 'A' && c <= 'F')
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r = c - 'A' + 10;
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else
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r = 0;
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return r;
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}
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int hex_to_rgb(char *hex, int *r, int *g, int *b)
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{
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if (hex == NULL || hex[0] != '#')
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return (0);
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int len = strlen(hex);
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if (len == 3 + 1) {
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*r = hex_char_to_int(hex[1]);
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*g = hex_char_to_int(hex[2]);
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*b = hex_char_to_int(hex[3]);
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} else if (len == 6 + 1) {
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*r = hex_char_to_int(hex[1]) * 16 + hex_char_to_int(hex[2]);
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*g = hex_char_to_int(hex[3]) * 16 + hex_char_to_int(hex[4]);
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*b = hex_char_to_int(hex[5]) * 16 + hex_char_to_int(hex[6]);
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} else if (len == 12 + 1) {
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*r = hex_char_to_int(hex[1]) * 16 + hex_char_to_int(hex[2]);
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*g = hex_char_to_int(hex[5]) * 16 + hex_char_to_int(hex[6]);
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*b = hex_char_to_int(hex[9]) * 16 + hex_char_to_int(hex[10]);
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} else
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return 0;
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return 1;
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}
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void get_color(char *hex, double *rgb)
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{
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int r, g, b;
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r = g = b = 0;
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hex_to_rgb(hex, &r, &g, &b);
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rgb[0] = (r / 255.0);
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rgb[1] = (g / 255.0);
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rgb[2] = (b / 255.0);
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}
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void extract_values(const char *value, char **value1, char **value2, char **value3)
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{
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char *b = 0, *c = 0;
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if (*value1)
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free(*value1);
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if (*value2)
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free(*value2);
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if (*value3)
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free(*value3);
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if ((b = strchr(value, ' '))) {
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b[0] = '\0';
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b++;
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} else {
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*value2 = 0;
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*value3 = 0;
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}
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*value1 = strdup(value);
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g_strstrip(*value1);
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if (b) {
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if ((c = strchr(b, ' '))) {
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c[0] = '\0';
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c++;
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} else {
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c = 0;
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*value3 = 0;
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}
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*value2 = strdup(b);
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g_strstrip(*value2);
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}
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if (c) {
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*value3 = strdup(c);
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g_strstrip(*value3);
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}
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}
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void adjust_asb(DATA32 *data, int w, int h, int alpha, float satur, float bright)
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{
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unsigned int x, y;
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unsigned int a, r, g, b, argb;
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unsigned long id;
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int cmax, cmin;
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float h2, f, p, q, t;
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float hue, saturation, brightness;
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float redc, greenc, bluec;
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for (y = 0; y < h; y++) {
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for (id = y * w, x = 0; x < w; x++, id++) {
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argb = data[id];
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a = (argb >> 24) & 0xff;
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// transparent => nothing to do.
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if (a == 0)
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continue;
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r = (argb >> 16) & 0xff;
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g = (argb >> 8) & 0xff;
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b = (argb)&0xff;
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// convert RGB to HSB
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cmax = (r > g) ? r : g;
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if (b > cmax)
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cmax = b;
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cmin = (r < g) ? r : g;
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if (b < cmin)
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cmin = b;
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brightness = ((float)cmax) / 255.0f;
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if (cmax != 0)
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saturation = ((float)(cmax - cmin)) / ((float)cmax);
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else
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saturation = 0;
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if (saturation == 0)
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hue = 0;
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else {
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redc = ((float)(cmax - r)) / ((float)(cmax - cmin));
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greenc = ((float)(cmax - g)) / ((float)(cmax - cmin));
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bluec = ((float)(cmax - b)) / ((float)(cmax - cmin));
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if (r == cmax)
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hue = bluec - greenc;
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else if (g == cmax)
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hue = 2.0f + redc - bluec;
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else
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hue = 4.0f + greenc - redc;
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hue = hue / 6.0f;
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if (hue < 0)
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hue = hue + 1.0f;
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}
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// adjust
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saturation += satur;
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if (saturation < 0.0)
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saturation = 0.0;
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if (saturation > 1.0)
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saturation = 1.0;
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brightness += bright;
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if (brightness < 0.0)
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brightness = 0.0;
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if (brightness > 1.0)
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brightness = 1.0;
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if (alpha != 100)
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a = (a * alpha) / 100;
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// convert HSB to RGB
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if (saturation == 0) {
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r = g = b = (int)(brightness * 255.0f + 0.5f);
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} else {
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h2 = (hue - (int)hue) * 6.0f;
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f = h2 - (int)(h2);
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p = brightness * (1.0f - saturation);
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q = brightness * (1.0f - saturation * f);
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t = brightness * (1.0f - (saturation * (1.0f - f)));
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switch ((int)h2) {
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case 0:
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r = (int)(brightness * 255.0f + 0.5f);
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g = (int)(t * 255.0f + 0.5f);
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b = (int)(p * 255.0f + 0.5f);
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break;
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case 1:
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r = (int)(q * 255.0f + 0.5f);
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g = (int)(brightness * 255.0f + 0.5f);
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b = (int)(p * 255.0f + 0.5f);
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break;
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case 2:
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r = (int)(p * 255.0f + 0.5f);
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g = (int)(brightness * 255.0f + 0.5f);
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b = (int)(t * 255.0f + 0.5f);
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break;
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case 3:
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r = (int)(p * 255.0f + 0.5f);
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g = (int)(q * 255.0f + 0.5f);
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b = (int)(brightness * 255.0f + 0.5f);
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break;
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case 4:
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r = (int)(t * 255.0f + 0.5f);
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g = (int)(p * 255.0f + 0.5f);
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b = (int)(brightness * 255.0f + 0.5f);
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break;
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case 5:
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r = (int)(brightness * 255.0f + 0.5f);
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g = (int)(p * 255.0f + 0.5f);
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b = (int)(q * 255.0f + 0.5f);
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break;
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}
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}
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argb = a;
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argb = (argb << 8) + r;
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argb = (argb << 8) + g;
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argb = (argb << 8) + b;
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data[id] = argb;
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}
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}
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}
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void create_heuristic_mask(DATA32 *data, int w, int h)
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{
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// first we need to find the mask color, therefore we check all 4 edge pixel and take the color which
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// appears most often (we only need to check three edges, the 4th is implicitly clear)
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unsigned int topLeft = data[0], topRight = data[w - 1], bottomLeft = data[w * h - w], bottomRight = data[w * h - 1];
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int max = (topLeft == topRight) + (topLeft == bottomLeft) + (topLeft == bottomRight);
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int maskPos = 0;
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if (max < (topRight == topLeft) + (topRight == bottomLeft) + (topRight == bottomRight)) {
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max = (topRight == topLeft) + (topRight == bottomLeft) + (topRight == bottomRight);
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maskPos = w - 1;
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}
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if (max < (bottomLeft == topRight) + (bottomLeft == topLeft) + (bottomLeft == bottomRight))
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maskPos = w * h - w;
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// now mask out every pixel which has the same color as the edge pixels
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unsigned char *udata = (unsigned char *)data;
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unsigned char b = udata[4 * maskPos];
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unsigned char g = udata[4 * maskPos + 1];
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unsigned char r = udata[4 * maskPos + 1];
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for (int i = 0; i < h * w; ++i) {
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if (b - udata[0] == 0 && g - udata[1] == 0 && r - udata[2] == 0)
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udata[3] = 0;
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udata += 4;
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}
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}
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int pixel_empty(DATA32 argb)
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{
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DATA32 a = (argb >> 24) & 0xff;
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if (a == 0)
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return 1;
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DATA32 rgb = argb & 0xffFFff;
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return rgb == 0;
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}
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int image_empty(DATA32 *data, int w, int h)
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{
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if (w > 0 && h > 0) {
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int x = w / 2;
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int y = h / 2;
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if (!pixel_empty(data[y * w + x])) {
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// fprintf(stderr, "Non-empty pixel: [%u, %u] = %x\n", x, y, data[y * w + x]);
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return 0;
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}
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}
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for (int y = 0; y < h; y++) {
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for (int x = 0; x < w; x++) {
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if (!pixel_empty(data[y * w + x])) {
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// fprintf(stderr, "Non-empty pixel: [%u, %u] = %x\n", x, y, data[y * w + x]);
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return 0;
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}
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}
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}
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|
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// fprintf(stderr, "All pixels are empty\n");
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return 1;
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}
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|
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void render_image(Drawable d, int x, int y)
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{
|
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if (!server.real_transparency) {
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imlib_context_set_blend(1);
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imlib_context_set_drawable(d);
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imlib_render_image_on_drawable(x, y);
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return;
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}
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int w = imlib_image_get_width(), h = imlib_image_get_height();
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Pixmap pixmap = XCreatePixmap(server.display, server.root_win, w, h, 32);
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imlib_context_set_drawable(pixmap);
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imlib_context_set_blend(0);
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imlib_render_image_on_drawable(0, 0);
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|
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Pixmap mask = XCreatePixmap(server.display, server.root_win, w, h, 32);
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imlib_context_set_drawable(mask);
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imlib_context_set_blend(0);
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imlib_render_image_on_drawable(0, 0);
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|
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Picture pict = XRenderCreatePicture(server.display, pixmap, XRenderFindStandardFormat(server.display, PictStandardARGB32), 0, 0);
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Picture pict_drawable = XRenderCreatePicture(server.display, d, XRenderFindVisualFormat(server.display, server.visual), 0, 0);
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Picture pict_mask = XRenderCreatePicture(server.display, mask, XRenderFindStandardFormat(server.display, PictStandardARGB32), 0, 0);
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XRenderComposite(server.display, PictOpOver, pict, pict_mask, pict_drawable, 0, 0, 0, 0, x, y, w, h);
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|
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XRenderFreePicture(server.display, pict_mask);
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XRenderFreePicture(server.display, pict_drawable);
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XRenderFreePicture(server.display, pict);
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XFreePixmap(server.display, mask);
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XFreePixmap(server.display, pixmap);
|
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}
|
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|
|
void draw_text(PangoLayout *layout, cairo_t *c, int posx, int posy, Color *color, int font_shadow)
|
|
{
|
|
if (font_shadow) {
|
|
const int shadow_size = 3;
|
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const double shadow_edge_alpha = 0.0;
|
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int i, j;
|
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for (i = -shadow_size; i <= shadow_size; i++) {
|
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for (j = -shadow_size; j <= shadow_size; j++) {
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cairo_set_source_rgba(c,
|
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0.0,
|
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0.0,
|
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0.0,
|
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1.0 -
|
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(1.0 - shadow_edge_alpha) *
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sqrt((i * i + j * j) / (double)(shadow_size * shadow_size)));
|
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pango_cairo_update_layout(c, layout);
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cairo_move_to(c, posx + i, posy + j);
|
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pango_cairo_show_layout(c, layout);
|
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}
|
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}
|
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}
|
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cairo_set_source_rgba(c, color->rgb[0], color->rgb[1], color->rgb[2], color->alpha);
|
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pango_cairo_update_layout(c, layout);
|
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cairo_move_to(c, posx, posy);
|
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pango_cairo_show_layout(c, layout);
|
|
}
|
|
|
|
Imlib_Image load_image(const char *path, int cached)
|
|
{
|
|
Imlib_Image image;
|
|
#ifdef HAVE_RSVG
|
|
if (cached) {
|
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image = imlib_load_image_immediately(path);
|
|
} else {
|
|
image = imlib_load_image_immediately_without_cache(path);
|
|
}
|
|
if (!image && g_str_has_suffix(path, ".svg")) {
|
|
char suffix[128];
|
|
sprintf(suffix, "tmpimage-%d.png", getpid());
|
|
// We fork here because librsvg allocates memory like crazy
|
|
pid_t pid = fork();
|
|
if (pid == 0) {
|
|
// Child
|
|
GError *err = NULL;
|
|
RsvgHandle *svg = rsvg_handle_new_from_file(path, &err);
|
|
|
|
if (err != NULL) {
|
|
fprintf(stderr, "Could not load svg image!: %s", err->message);
|
|
g_error_free(err);
|
|
} else {
|
|
gchar *name = g_build_filename(g_get_user_config_dir(), "tint2", suffix, NULL);
|
|
GdkPixbuf *pixbuf = rsvg_handle_get_pixbuf(svg);
|
|
gdk_pixbuf_save(pixbuf, name, "png", NULL, NULL);
|
|
}
|
|
exit(0);
|
|
} else {
|
|
// Parent
|
|
waitpid(pid, 0, 0);
|
|
gchar *name = g_build_filename(g_get_user_config_dir(), "tint2", suffix, NULL);
|
|
image = imlib_load_image_immediately_without_cache(name);
|
|
g_remove(name);
|
|
g_free(name);
|
|
}
|
|
} else
|
|
#endif
|
|
{
|
|
if (cached) {
|
|
image = imlib_load_image_immediately(path);
|
|
} else {
|
|
image = imlib_load_image_immediately_without_cache(path);
|
|
}
|
|
}
|
|
return image;
|
|
}
|
|
|
|
Imlib_Image adjust_icon(Imlib_Image original, int alpha, int saturation, int brightness)
|
|
{
|
|
if (!original)
|
|
return NULL;
|
|
|
|
imlib_context_set_image(original);
|
|
Imlib_Image copy = imlib_clone_image();
|
|
|
|
imlib_context_set_image(copy);
|
|
imlib_image_set_has_alpha(1);
|
|
DATA32 *data = imlib_image_get_data();
|
|
adjust_asb(data,
|
|
imlib_image_get_width(),
|
|
imlib_image_get_height(),
|
|
alpha,
|
|
(float)saturation / 100,
|
|
(float)brightness / 100);
|
|
imlib_image_put_back_data(data);
|
|
return copy;
|
|
}
|
|
|
|
void draw_rect(cairo_t *c, double x, double y, double w, double h, double r)
|
|
{
|
|
if (r > 0.0) {
|
|
double c1 = 0.55228475 * r;
|
|
|
|
cairo_move_to(c, x + r, y);
|
|
cairo_rel_line_to(c, w - 2 * r, 0);
|
|
cairo_rel_curve_to(c, c1, 0.0, r, c1, r, r);
|
|
cairo_rel_line_to(c, 0, h - 2 * r);
|
|
cairo_rel_curve_to(c, 0.0, c1, c1 - r, r, -r, r);
|
|
cairo_rel_line_to(c, -w + 2 * r, 0);
|
|
cairo_rel_curve_to(c, -c1, 0, -r, -c1, -r, -r);
|
|
cairo_rel_line_to(c, 0, -h + 2 * r);
|
|
cairo_rel_curve_to(c, 0, -c1, r - c1, -r, r, -r);
|
|
} else
|
|
cairo_rectangle(c, x, y, w, h);
|
|
}
|
|
|
|
void clear_pixmap(Pixmap p, int x, int y, int w, int h)
|
|
{
|
|
Picture pict = XRenderCreatePicture(server.display, p, XRenderFindVisualFormat(server.display, server.visual), 0, 0);
|
|
XRenderColor col;
|
|
col.red = col.green = col.blue = col.alpha = 0;
|
|
XRenderFillRectangle(server.display, PictOpSrc, pict, &col, x, y, w, h);
|
|
XRenderFreePicture(server.display, pict);
|
|
}
|
|
|
|
void get_text_size2(PangoFontDescription *font,
|
|
int *height_ink,
|
|
int *height,
|
|
int *width,
|
|
int panel_height,
|
|
int panel_width,
|
|
char *text,
|
|
int len,
|
|
PangoWrapMode wrap,
|
|
PangoEllipsizeMode ellipsis,
|
|
gboolean markup)
|
|
{
|
|
PangoRectangle rect_ink, rect;
|
|
|
|
Pixmap pmap = XCreatePixmap(server.display, server.root_win, panel_height, panel_width, server.depth);
|
|
|
|
cairo_surface_t *cs = cairo_xlib_surface_create(server.display, pmap, server.visual, panel_height, panel_width);
|
|
cairo_t *c = cairo_create(cs);
|
|
|
|
PangoLayout *layout = pango_cairo_create_layout(c);
|
|
pango_layout_set_width(layout, panel_width * PANGO_SCALE);
|
|
pango_layout_set_height(layout, panel_height * PANGO_SCALE);
|
|
pango_layout_set_wrap(layout, wrap);
|
|
pango_layout_set_ellipsize(layout, ellipsis);
|
|
pango_layout_set_font_description(layout, font);
|
|
if (!markup)
|
|
pango_layout_set_text(layout, text, len);
|
|
else
|
|
pango_layout_set_markup(layout, text, len);
|
|
|
|
pango_layout_get_pixel_extents(layout, &rect_ink, &rect);
|
|
*height_ink = rect_ink.height;
|
|
*height = rect.height;
|
|
*width = rect.width;
|
|
// printf("dimension : %d - %d\n", rect_ink.height, rect.height);
|
|
|
|
g_object_unref(layout);
|
|
cairo_destroy(c);
|
|
cairo_surface_destroy(cs);
|
|
XFreePixmap(server.display, pmap);
|
|
}
|
|
|
|
#if !GLIB_CHECK_VERSION (2, 33, 4)
|
|
GList *g_list_copy_deep(GList *list, GCopyFunc func, gpointer user_data)
|
|
{
|
|
list = g_list_copy(list);
|
|
|
|
if (func) {
|
|
for (GList *l = list; l; l = l->next) {
|
|
l->data = func(l->data, user_data);
|
|
}
|
|
}
|
|
|
|
return list;
|
|
}
|
|
#endif
|
|
|
|
// Based loosely on close_allv from
|
|
// https://git.gnome.org/browse/glib/tree/gio/libasyncns/asyncns.c?h=2.21.0#n205
|
|
// license: LGPL version 2.1
|
|
// but with all the junk removed
|
|
// and
|
|
// https://opensource.apple.com/source/sudo/sudo-46/src/closefrom.c
|
|
// license: BSD
|
|
void close_all_fds()
|
|
{
|
|
const int from_fd = 3;
|
|
|
|
#ifdef __linux__
|
|
DIR *d = opendir("/proc/self/fd");
|
|
if (d) {
|
|
for (struct dirent *de = readdir(d); de; de = readdir(d)) {
|
|
if (de->d_name[0] == '.')
|
|
continue;
|
|
int fd = atoi(de->d_name);
|
|
if (fd < from_fd)
|
|
continue;
|
|
if (fd == dirfd(d))
|
|
continue;
|
|
close(fd);
|
|
}
|
|
closedir(d);
|
|
return;
|
|
}
|
|
#endif
|
|
|
|
#if defined(__FreeBSD__) || defined(__DragonFly__) || defined(__OpenBSD__)
|
|
closefrom(from_fd);
|
|
return;
|
|
#endif
|
|
|
|
#if defined(__NetBSD__)
|
|
fcntl(from_fd, F_CLOSEM, 0);
|
|
#endif
|
|
|
|
// Worst case scenario: iterate over all possible fds
|
|
int max_fd = sysconf(_SC_OPEN_MAX);
|
|
for (int fd = from_fd; fd < max_fd; fd++) {
|
|
close(fd);
|
|
}
|
|
|
|
return;
|
|
}
|
|
|
|
char* get_own_path()
|
|
{
|
|
const int buf_size = 4096;
|
|
char *buf = calloc(buf_size, 1);
|
|
|
|
#ifdef __linux__
|
|
if (readlink("/proc/self/exe", buf, buf_size) > 0)
|
|
return buf;
|
|
#endif
|
|
|
|
#if defined(__FreeBSD__)
|
|
int mib[4] = {
|
|
CTL_KERN,
|
|
KERN_PROC,
|
|
KERN_PROC_PATHNAME,
|
|
getpid()
|
|
};
|
|
|
|
size_t max_len = buf_size;
|
|
if (sysctl(mib, 4, buf, &max_len, NULL, 0) == 0)
|
|
return buf;
|
|
#endif
|
|
|
|
#if defined(__DragonFly__)
|
|
if (readlink("/proc/curproc/file", buf, buf_size) > 0)
|
|
return buf;
|
|
#endif
|
|
|
|
#if defined(__NetBSD__)
|
|
if (readlink("/proc/curproc/exe", buf, buf_size) > 0)
|
|
return buf;
|
|
#endif
|
|
|
|
#if defined(__OpenBSD__)
|
|
int mib[4] = {
|
|
CTL_KERN,
|
|
KERN_PROC_ARGS,
|
|
getpid(),
|
|
KERN_PROC_ARGV
|
|
};
|
|
|
|
char *path = NULL;
|
|
size_t len;
|
|
if (sysctl(mib, 4, NULL, &len, NULL, 0) == 0 && len > 0) {
|
|
char **argv = malloc(len);
|
|
if (argv) {
|
|
if (sysctl(mib, 4, argv, &len, NULL, 0) == 0) {
|
|
path = realpath(argv[0], NULL);
|
|
}
|
|
}
|
|
free(argv);
|
|
}
|
|
if (path) {
|
|
free(buf);
|
|
return path;
|
|
}
|
|
#endif
|
|
|
|
sprintf(buf, "tint2");
|
|
return buf;
|
|
}
|