X-Git-Url: https://git.dogcows.com/gitweb?a=blobdiff_plain;f=src%2Futil%2Fcommon.c;h=f6fa36e32c2c0f8cbbfaeda9f339809c4db1f880;hb=b0daed8dd52ebaa40fa993e5b9f23c823937c120;hp=55a853b7c127f3475cc7d4add583c7ea81247349;hpb=8354267448dab01626da0c4b3d2eedfa20e6858a;p=chaz%2Ftint2

diff --git a/src/util/common.c b/src/util/common.c
index 55a853b..f6fa36e 100644
--- a/src/util/common.c
+++ b/src/util/common.c
@@ -3,7 +3,7 @@
 * Tint2 : common windows function
 *
 * Copyright (C) 2007 PÃ¥l Staurland (staura@gmail.com)
-* Modified (C) 2008 thierry lorthiois (lorthiois@bbsoft.fr)
+* Modified (C) 2008 thierry lorthiois (lorthiois@bbsoft.fr) from Omega distribution
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License version 2
@@ -21,13 +21,168 @@
 #include <X11/Xlib.h>
 #include <X11/Xutil.h>
 #include <X11/Xatom.h>
+#include <X11/extensions/Xrender.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
-
+#include <unistd.h>
 
 #include "common.h"
+#include "../server.h"
+
+
+
+void copy_file(const char *pathSrc, const char *pathDest)
+{
+	FILE *fileSrc, *fileDest;
+	char line[100];
+	int  nb;
+
+	fileSrc = fopen(pathSrc, "rb");
+	if (fileSrc == NULL) return;
+
+	fileDest = fopen(pathDest, "wb");
+	if (fileDest == NULL) return;
+
+	while ((nb = fread(line, 1, 100, fileSrc)) > 0)
+		if ( nb != fwrite(line, 1, nb, fileDest))
+			printf("Error while copying file %s to %s\n", pathSrc, pathDest);
+
+	fclose (fileDest);
+	fclose (fileSrc);
+}
+
+
+int parse_line (const char *line, char **key, char **value)
+{
+	char *a, *b;
+
+	/* Skip useless lines */
+	if ((line[0] == '#') || (line[0] == '\n')) return 0;
+	if (!(a = strchr (line, '='))) return 0;
 
+	/* overwrite '=' with '\0' */
+	a[0] = '\0';
+	*key = strdup (line);
+	a++;
+
+	/* overwrite '\n' with '\0' if '\n' present */
+	if ((b = strchr (a, '\n'))) b[0] = '\0';
+
+	*value = strdup (a);
+
+	g_strstrip(*key);
+	g_strstrip(*value);
+	return 1;
+}
+
+
+void tint_exec(const char *command)
+{
+	if (command) {
+		pid_t pid;
+		pid = fork();
+		if (pid == 0) {
+			// change for the fork the signal mask
+//			sigset_t sigset;
+//			sigprocmask(SIG_SETMASK, &sigset, 0);
+//			sigprocmask(SIG_UNBLOCK, &sigset, 0);
+			execl("/bin/sh", "/bin/sh", "-c", command, NULL);
+			_exit(0);
+		}
+	}
+}
+
+
+int hex_char_to_int (char c)
+{
+	int r;
+
+	if (c >= '0' && c <= '9')  r = c - '0';
+	else if (c >= 'a' && c <= 'f')  r = c - 'a' + 10;
+	else if (c >= 'A' && c <= 'F')  r = c - 'A' + 10;
+	else  r = 0;
+
+	return r;
+}
+
+
+int hex_to_rgb (char *hex, int *r, int *g, int *b)
+{
+	int len;
+
+	if (hex == NULL || hex[0] != '#') return (0);
+
+	len = strlen (hex);
+	if (len == 3 + 1) {
+		*r = hex_char_to_int (hex[1]);
+		*g = hex_char_to_int (hex[2]);
+		*b = hex_char_to_int (hex[3]);
+	}
+	else if (len == 6 + 1) {
+		*r = hex_char_to_int (hex[1]) * 16 + hex_char_to_int (hex[2]);
+		*g = hex_char_to_int (hex[3]) * 16 + hex_char_to_int (hex[4]);
+		*b = hex_char_to_int (hex[5]) * 16 + hex_char_to_int (hex[6]);
+	}
+	else if (len == 12 + 1) {
+		*r = hex_char_to_int (hex[1]) * 16 + hex_char_to_int (hex[2]);
+		*g = hex_char_to_int (hex[5]) * 16 + hex_char_to_int (hex[6]);
+		*b = hex_char_to_int (hex[9]) * 16 + hex_char_to_int (hex[10]);
+	}
+	else return 0;
+
+	return 1;
+}
+
+
+void get_color (char *hex, double *rgb)
+{
+	int r, g, b;
+	hex_to_rgb (hex, &r, &g, &b);
+
+	rgb[0] = (r / 255.0);
+	rgb[1] = (g / 255.0);
+	rgb[2] = (b / 255.0);
+}
+
+
+void extract_values (const char *value, char **value1, char **value2, char **value3)
+{
+	char *b=0, *c=0;
+
+	if (*value1) free (*value1);
+	if (*value2) free (*value2);
+	if (*value3) free (*value3);
+
+	if ((b = strchr (value, ' '))) {
+		b[0] = '\0';
+		b++;
+	}
+	else {
+		*value2 = 0;
+		*value3 = 0;
+	}
+	*value1 = strdup (value);
+	g_strstrip(*value1);
+
+	if (b) {
+		if ((c = strchr (b, ' '))) {
+			c[0] = '\0';
+			c++;
+		}
+		else {
+			c = 0;
+			*value3 = 0;
+		}
+		*value2 = strdup (b);
+		g_strstrip(*value2);
+	}
+
+	if (c) {
+		*value3 = strdup (c);
+		g_strstrip(*value3);
+	}
+}
 
 
 void adjust_asb(DATA32 *data, int w, int h, int alpha, float satur, float bright)
@@ -139,3 +294,51 @@ void adjust_asb(DATA32 *data, int w, int h, int alpha, float satur, float bright
 	}
 }
 
+
+void createHeuristicMask(DATA32* data, int w, int h)
+{
+	// first we need to find the mask color, therefore we check all 4 edge pixel and take the color which
+	// appears most often (we only need to check three edges, the 4th is implicitly clear)
+	unsigned int topLeft = data[0], topRight = data[w-1], bottomLeft = data[w*h-w], bottomRight = data[w*h-1];
+	int max = (topLeft == topRight) + (topLeft == bottomLeft) + (topLeft == bottomRight);
+	int maskPos = 0;
+	if ( max < (topRight == topLeft) + (topRight == bottomLeft) + (topRight == bottomRight) ) {
+		max = (topRight == topLeft) + (topRight == bottomLeft) + (topRight == bottomRight);
+		maskPos = w-1;
+	}
+	if ( max < (bottomLeft == topRight) + (bottomLeft == topLeft) + (bottomLeft == bottomRight) )
+		maskPos = w*h-w;
+
+	// now mask out every pixel which has the same color as the edge pixels
+	unsigned char* udata = (unsigned char*)data;
+	unsigned char b = udata[4*maskPos];
+	unsigned char g = udata[4*maskPos+1];
+	unsigned char r = udata[4*maskPos+1];
+	int i;
+	for (i=0; i<h*w; ++i) {
+		if ( b-udata[0] == 0 && g-udata[1] == 0 && r-udata[2] == 0 )
+			udata[3] = 0;
+		udata += 4;
+	}
+}
+
+
+void render_image(Drawable d, int x, int y, int w, int h)
+{
+	// in real_transparency mode imlib_render_image_on_drawable does not the right thing, because
+	// the operation is IMLIB_OP_COPY, but we would need IMLIB_OP_OVER (which does not exist)
+	// Therefore we have to do it with the XRender extension (i.e. copy what imlib is doing internally)
+	// But first we need to render the image onto itself with PictOpIn to adjust the colors to the alpha channel
+	Pixmap pmap_tmp = XCreatePixmap(server.dsp, server.root_win, w, h, 32);
+	imlib_context_set_drawable(pmap_tmp);
+	imlib_context_set_blend(0);
+	imlib_render_image_on_drawable(0, 0);
+	Picture pict_image = XRenderCreatePicture(server.dsp, pmap_tmp, XRenderFindStandardFormat(server.dsp, PictStandardARGB32), 0, 0);
+	Picture pict_drawable = XRenderCreatePicture(server.dsp, d, XRenderFindVisualFormat(server.dsp, server.visual), 0, 0);
+	XRenderComposite(server.dsp, PictOpIn, pict_image, None, pict_image, 0, 0, 0, 0, 0, 0, w, h);
+	XRenderComposite(server.dsp, PictOpOver, pict_image, None, pict_drawable, 0, 0, 0, 0, x, y, w, h);
+	imlib_context_set_blend(1);
+	XFreePixmap(server.dsp, pmap_tmp);
+	XRenderFreePicture(server.dsp, pict_image);
+	XRenderFreePicture(server.dsp, pict_drawable);
+}