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dwm logo and blur screeen patch

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This commit is contained in:
Jakub 2023-01-02 22:50:58 -05:00
parent f8ea795e17
commit c8ffe6ca8d
4 changed files with 523 additions and 14 deletions
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28
config.def.h
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@ -3,10 +3,36 @@ static const char *user = "nobody";
static const char *group = "nogroup"; static const char *group = "nogroup";
static const char *colorname[NUMCOLS] = { static const char *colorname[NUMCOLS] = {
[INIT] = "black", /* after initialization */ [BACKGROUND] = "white",
[INIT] = "2d2d2d", /* after initialization */
[INPUT] = "#005577", /* during input */ [INPUT] = "#005577", /* during input */
[FAILED] = "#CC3333", /* wrong password */ [FAILED] = "#CC3333", /* wrong password */
}; };
/* treat a cleared input like a wrong password (color) */ /* treat a cleared input like a wrong password (color) */
static const int failonclear = 1; static const int failonclear = 1;
static const int logosize = 75;
static const int logow = 12; /* Grid width and height for right center alignment*/
static const int logoh = 6;
static XRectangle rectangles[9] = {
{0, 3, 1, 3},
{1, 3, 2, 1},
{0, 5, 8, 1},
{3, 0, 1, 5},
{5, 3, 1, 2},
{7, 3, 1, 2},
{8, 3, 4, 1},
{9, 4, 1, 2},
{11,4, 1, 2},
};
/*Enable blur*/
#define BLUR
/*Set blur radius*/
static const int blurRadius=5;
/*Enable Pixelation*/
//#define PIXELATION
/*Set pixelation radius*/
static const int pixelSize=0;

16
config.mk
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@ -10,13 +10,21 @@ MANPREFIX = ${PREFIX}/share/man
X11INC = /usr/X11R6/include X11INC = /usr/X11R6/include
X11LIB = /usr/X11R6/lib X11LIB = /usr/X11R6/lib
# Xinerama, comment if you don't want it
XINERAMALIBS = -lXinerama
XINERAMAFLAGS = -DXINERAMA
# freetype
FREETYPELIBS = -lXft
FREETYPEINC = /usr/include/freetype2
# includes and libs # includes and libs
INCS = -I. -I/usr/include -I${X11INC} INCS = -I. -I/usr/include -I${X11INC} -I${FREETYPEINC}
LIBS = -L/usr/lib -lc -lcrypt -L${X11LIB} -lX11 -lXext -lXrandr LIBS = -L/usr/lib -lc -lcrypt -L${X11LIB} -lX11 -lImlib2 ${XINERAMALIBS} ${FREETYPELIBS} -lXext -lXrandr
# flags # flags
CPPFLAGS = -DVERSION=\"${VERSION}\" -D_DEFAULT_SOURCE -DHAVE_SHADOW_H CPPFLAGS = -DVERSION=\"${VERSION}\" -D_DEFAULT_SOURCE -DHAVE_SHADOW_H ${XINERAMAFLAGS}
CFLAGS = -std=c99 -pedantic -Wall -Os ${INCS} ${CPPFLAGS} CFLAGS = -std=c99 -pedantic -Wall -Ofast ${INCS} ${CPPFLAGS}
LDFLAGS = -s ${LIBS} LDFLAGS = -s ${LIBS}
COMPATSRC = explicit_bzero.c COMPATSRC = explicit_bzero.c

336
patches/slock-dwmlogoandblurscreen-1.0.diff Normal file
View File

@ -0,0 +1,336 @@
diff -u ../slock-orig/config.def.h ./config.def.h
--- ../slock-orig/config.def.h 2022-04-29 17:07:13.872268452 -0400
+++ ./config.def.h 2022-04-29 16:44:38.573566776 -0400
@@ -3,10 +3,36 @@
static const char *group = "nogroup";
static const char *colorname[NUMCOLS] = {
- [INIT] = "black", /* after initialization */
+ [BACKGROUND] = "white",
+ [INIT] = "2d2d2d", /* after initialization */
[INPUT] = "#005577", /* during input */
[FAILED] = "#CC3333", /* wrong password */
};
/* treat a cleared input like a wrong password (color) */
static const int failonclear = 1;
+
+static const int logosize = 75;
+static const int logow = 12; /* Grid width and height for right center alignment*/
+static const int logoh = 6;
+
+static XRectangle rectangles[9] = {
+ {0, 3, 1, 3},
+ {1, 3, 2, 1},
+ {0, 5, 8, 1},
+ {3, 0, 1, 5},
+ {5, 3, 1, 2},
+ {7, 3, 1, 2},
+ {8, 3, 4, 1},
+ {9, 4, 1, 2},
+ {11,4, 1, 2},
+};
+
+/*Enable blur*/
+#define BLUR
+/*Set blur radius*/
+static const int blurRadius=5;
+/*Enable Pixelation*/
+//#define PIXELATION
+/*Set pixelation radius*/
+static const int pixelSize=0;
diff -u ../slock-orig/config.mk ./config.mk
--- ../slock-orig/config.mk 2022-04-29 17:07:13.872268452 -0400
+++ ./config.mk 2022-04-29 17:14:49.416921212 -0400
@@ -10,13 +10,21 @@
X11INC = /usr/X11R6/include
X11LIB = /usr/X11R6/lib
+# Xinerama, comment if you don't want it
+XINERAMALIBS = -lXinerama
+XINERAMAFLAGS = -DXINERAMA
+
+# freetype
+FREETYPELIBS = -lXft
+FREETYPEINC = /usr/include/freetype2
+
# includes and libs
-INCS = -I. -I/usr/include -I${X11INC}
-LIBS = -L/usr/lib -lc -lcrypt -L${X11LIB} -lX11 -lXext -lXrandr
+INCS = -I. -I/usr/include -I${X11INC} -I${FREETYPEINC}
+LIBS = -L/usr/lib -lc -lcrypt -L${X11LIB} -lX11 -lImlib2 ${XINERAMALIBS} ${FREETYPELIBS} -lXext -lXrandr
# flags
-CPPFLAGS = -DVERSION=\"${VERSION}\" -D_DEFAULT_SOURCE -DHAVE_SHADOW_H
-CFLAGS = -std=c99 -pedantic -Wall -Os ${INCS} ${CPPFLAGS}
+CPPFLAGS = -DVERSION=\"${VERSION}\" -D_DEFAULT_SOURCE -DHAVE_SHADOW_H ${XINERAMAFLAGS}
+CFLAGS = -std=c99 -pedantic -Wall -Ofast ${INCS} ${CPPFLAGS}
LDFLAGS = -s ${LIBS}
COMPATSRC = explicit_bzero.c
diff -u ../slock-orig/slock.c ./slock.c
--- ../slock-orig/slock.c 2022-04-29 17:07:13.872268452 -0400
+++ ./slock.c 2022-04-29 17:04:53.424073165 -0400
@@ -1,5 +1,6 @@
/* See LICENSE file for license details. */
-#define _XOPEN_SOURCE 500
+#define _XOPEN_SOURCE 500
+#define LENGTH(X) (sizeof X / sizeof X[0])
#if HAVE_SHADOW_H
#include <shadow.h>
#endif
@@ -15,9 +16,13 @@
#include <unistd.h>
#include <sys/types.h>
#include <X11/extensions/Xrandr.h>
+#ifdef XINERAMA
+#include <X11/extensions/Xinerama.h>
+#endif
#include <X11/keysym.h>
#include <X11/Xlib.h>
#include <X11/Xutil.h>
+#include <Imlib2.h>
#include "arg.h"
#include "util.h"
@@ -25,17 +30,26 @@
char *argv0;
enum {
+ BACKGROUND,
INIT,
INPUT,
FAILED,
NUMCOLS
};
+#include "config.h"
+
struct lock {
int screen;
Window root, win;
Pixmap pmap;
+ Pixmap bgmap;
unsigned long colors[NUMCOLS];
+ unsigned int x, y;
+ unsigned int xoff, yoff, mw, mh;
+ Drawable drawable;
+ GC gc;
+ XRectangle rectangles[LENGTH(rectangles)];
};
struct xrandr {
@@ -44,7 +58,7 @@
int errbase;
};
-#include "config.h"
+Imlib_Image image;
static void
die(const char *errstr, ...)
@@ -125,6 +139,29 @@
}
static void
+resizerectangles(struct lock *lock)
+{
+ int i;
+
+ for (i = 0; i < LENGTH(rectangles); i++){
+ lock->rectangles[i].x = (rectangles[i].x * logosize)
+ + lock->xoff + ((lock->mw) / 2) - (logow / 2 * logosize);
+ lock->rectangles[i].y = (rectangles[i].y * logosize)
+ + lock->yoff + ((lock->mh) / 2) - (logoh / 2 * logosize);
+ lock->rectangles[i].width = rectangles[i].width * logosize;
+ lock->rectangles[i].height = rectangles[i].height * logosize;
+ }
+}
+
+static void
+drawlogo(Display *dpy, struct lock *lock, int color)
+{
+ XSetForeground(dpy, lock->gc, lock->colors[color]);
+ XFillRectangles(dpy, lock->win, lock->gc, lock->rectangles, LENGTH(rectangles));
+ XSync(dpy, False);
+}
+
+static void
readpw(Display *dpy, struct xrandr *rr, struct lock **locks, int nscreens,
const char *hash)
{
@@ -190,10 +227,12 @@
color = len ? INPUT : ((failure || failonclear) ? FAILED : INIT);
if (running && oldc != color) {
for (screen = 0; screen < nscreens; screen++) {
- XSetWindowBackground(dpy,
- locks[screen]->win,
- locks[screen]->colors[color]);
- XClearWindow(dpy, locks[screen]->win);
+ if(locks[screen]->bgmap)
+ XSetWindowBackgroundPixmap(dpy, locks[screen]->win, locks[screen]->bgmap);
+ else
+ XSetWindowBackground(dpy, locks[screen]->win, locks[screen]->colors[0]);
+ //XClearWindow(dpy, locks[screen]->win);
+ drawlogo(dpy, locks[screen], color);
}
oldc = color;
}
@@ -228,6 +267,10 @@
XColor color, dummy;
XSetWindowAttributes wa;
Cursor invisible;
+#ifdef XINERAMA
+ XineramaScreenInfo *info;
+ int n;
+#endif
if (dpy == NULL || screen < 0 || !(lock = malloc(sizeof(struct lock))))
return NULL;
@@ -235,27 +278,61 @@
lock->screen = screen;
lock->root = RootWindow(dpy, lock->screen);
+ if(image)
+ {
+ lock->bgmap = XCreatePixmap(dpy, lock->root, DisplayWidth(dpy, lock->screen), DisplayHeight(dpy, lock->screen), DefaultDepth(dpy, lock->screen));
+ imlib_context_set_image(image);
+ imlib_context_set_display(dpy);
+ imlib_context_set_visual(DefaultVisual(dpy, lock->screen));
+ imlib_context_set_colormap(DefaultColormap(dpy, lock->screen));
+ imlib_context_set_drawable(lock->bgmap);
+ imlib_render_image_on_drawable(0, 0);
+ imlib_free_image();
+ }
for (i = 0; i < NUMCOLS; i++) {
XAllocNamedColor(dpy, DefaultColormap(dpy, lock->screen),
colorname[i], &color, &dummy);
lock->colors[i] = color.pixel;
}
+ lock->x = DisplayWidth(dpy, lock->screen);
+ lock->y = DisplayHeight(dpy, lock->screen);
+#ifdef XINERAMA
+ if ((info = XineramaQueryScreens(dpy, &n))) {
+ lock->xoff = info[0].x_org;
+ lock->yoff = info[0].y_org;
+ lock->mw = info[0].width;
+ lock->mh = info[0].height;
+ } else
+#endif
+ {
+ lock->xoff = lock->yoff = 0;
+ lock->mw = lock->x;
+ lock->mh = lock->y;
+ }
+ lock->drawable = XCreatePixmap(dpy, lock->root,
+ lock->x, lock->y, DefaultDepth(dpy, screen));
+ lock->gc = XCreateGC(dpy, lock->root, 0, NULL);
+ XSetLineAttributes(dpy, lock->gc, 1, LineSolid, CapButt, JoinMiter);
+
/* init */
wa.override_redirect = 1;
- wa.background_pixel = lock->colors[INIT];
+ wa.background_pixel = lock->colors[BACKGROUND];
lock->win = XCreateWindow(dpy, lock->root, 0, 0,
- DisplayWidth(dpy, lock->screen),
- DisplayHeight(dpy, lock->screen),
+ lock->x, lock->y,
0, DefaultDepth(dpy, lock->screen),
CopyFromParent,
DefaultVisual(dpy, lock->screen),
CWOverrideRedirect | CWBackPixel, &wa);
+ if(lock->bgmap)
+ XSetWindowBackgroundPixmap(dpy, lock->win, lock->bgmap);
lock->pmap = XCreateBitmapFromData(dpy, lock->win, curs, 8, 8);
invisible = XCreatePixmapCursor(dpy, lock->pmap, lock->pmap,
&color, &color, 0, 0);
XDefineCursor(dpy, lock->win, invisible);
+ resizerectangles(lock);
+
/* Try to grab mouse pointer *and* keyboard for 600ms, else fail the lock */
for (i = 0, ptgrab = kbgrab = -1; i < 6; i++) {
if (ptgrab != GrabSuccess) {
@@ -276,6 +353,7 @@
XRRSelectInput(dpy, lock->win, RRScreenChangeNotifyMask);
XSelectInput(dpy, lock->root, SubstructureNotifyMask);
+ drawlogo(dpy, lock, INIT);
return lock;
}
@@ -355,6 +433,60 @@
if (setuid(duid) < 0)
die("slock: setuid: %s\n", strerror(errno));
+ /*Create screenshot Image*/
+ Screen *scr = ScreenOfDisplay(dpy, DefaultScreen(dpy));
+ image = imlib_create_image(scr->width,scr->height);
+ imlib_context_set_image(image);
+ imlib_context_set_display(dpy);
+ imlib_context_set_visual(DefaultVisual(dpy,0));
+ imlib_context_set_drawable(RootWindow(dpy,XScreenNumberOfScreen(scr)));
+ imlib_copy_drawable_to_image(0,0,0,scr->width,scr->height,0,0,1);
+
+#ifdef BLUR
+
+ /*Blur function*/
+ imlib_image_blur(blurRadius);
+#endif // BLUR
+
+#ifdef PIXELATION
+ /*Pixelation*/
+ int width = scr->width;
+ int height = scr->height;
+
+ for(int y = 0; y < height; y += pixelSize)
+ {
+ for(int x = 0; x < width; x += pixelSize)
+ {
+ int red = 0;
+ int green = 0;
+ int blue = 0;
+
+ Imlib_Color pixel;
+ Imlib_Color* pp;
+ pp = &pixel;
+ for(int j = 0; j < pixelSize && j < height; j++)
+ {
+ for(int i = 0; i < pixelSize && i < width; i++)
+ {
+ imlib_image_query_pixel(x+i,y+j,pp);
+ red += pixel.red;
+ green += pixel.green;
+ blue += pixel.blue;
+ }
+ }
+ red /= (pixelSize*pixelSize);
+ green /= (pixelSize*pixelSize);
+ blue /= (pixelSize*pixelSize);
+ imlib_context_set_color(red,green,blue,pixel.alpha);
+ imlib_image_fill_rectangle(x,y,pixelSize,pixelSize);
+ red = 0;
+ green = 0;
+ blue = 0;
+ }
+ }
+
+
+#endif
/* check for Xrandr support */
rr.active = XRRQueryExtension(dpy, &rr.evbase, &rr.errbase);
@@ -391,5 +523,12 @@
/* everything is now blank. Wait for the correct password */
readpw(dpy, &rr, locks, nscreens, hash);
+ for (nlocks = 0, s = 0; s < nscreens; s++) {
+ XFreePixmap(dpy, locks[s]->drawable);
+ XFreeGC(dpy, locks[s]->gc);
+ }
+
+ XSync(dpy, 0);
+ XCloseDisplay(dpy);
return 0;
}

157
slock.c
View File

@ -1,5 +1,6 @@
/* See LICENSE file for license details. */ /* See LICENSE file for license details. */
#define _XOPEN_SOURCE 500 #define _XOPEN_SOURCE 500
#define LENGTH(X) (sizeof X / sizeof X[0])
#if HAVE_SHADOW_H #if HAVE_SHADOW_H
#include <shadow.h> #include <shadow.h>
#endif #endif
@ -15,9 +16,13 @@
#include <unistd.h> #include <unistd.h>
#include <sys/types.h> #include <sys/types.h>
#include <X11/extensions/Xrandr.h> #include <X11/extensions/Xrandr.h>
#ifdef XINERAMA
#include <X11/extensions/Xinerama.h>
#endif
#include <X11/keysym.h> #include <X11/keysym.h>
#include <X11/Xlib.h> #include <X11/Xlib.h>
#include <X11/Xutil.h> #include <X11/Xutil.h>
#include <Imlib2.h>
#include "arg.h" #include "arg.h"
#include "util.h" #include "util.h"
@ -25,17 +30,26 @@
char *argv0; char *argv0;
enum { enum {
BACKGROUND,
INIT, INIT,
INPUT, INPUT,
FAILED, FAILED,
NUMCOLS NUMCOLS
}; };
#include "config.h"
struct lock { struct lock {
int screen; int screen;
Window root, win; Window root, win;
Pixmap pmap; Pixmap pmap;
Pixmap bgmap;
unsigned long colors[NUMCOLS]; unsigned long colors[NUMCOLS];
unsigned int x, y;
unsigned int xoff, yoff, mw, mh;
Drawable drawable;
GC gc;
XRectangle rectangles[LENGTH(rectangles)];
}; };
struct xrandr { struct xrandr {
@ -44,7 +58,7 @@ struct xrandr {
int errbase; int errbase;
}; };
#include "config.h" Imlib_Image image;
static void static void
die(const char *errstr, ...) die(const char *errstr, ...)
@ -124,6 +138,29 @@ gethash(void)
return hash; return hash;
} }
static void
resizerectangles(struct lock *lock)
{
int i;
for (i = 0; i < LENGTH(rectangles); i++){
lock->rectangles[i].x = (rectangles[i].x * logosize)
+ lock->xoff + ((lock->mw) / 2) - (logow / 2 * logosize);
lock->rectangles[i].y = (rectangles[i].y * logosize)
+ lock->yoff + ((lock->mh) / 2) - (logoh / 2 * logosize);
lock->rectangles[i].width = rectangles[i].width * logosize;
lock->rectangles[i].height = rectangles[i].height * logosize;
}
}
static void
drawlogo(Display *dpy, struct lock *lock, int color)
{
XSetForeground(dpy, lock->gc, lock->colors[color]);
XFillRectangles(dpy, lock->win, lock->gc, lock->rectangles, LENGTH(rectangles));
XSync(dpy, False);
}
static void static void
readpw(Display *dpy, struct xrandr *rr, struct lock **locks, int nscreens, readpw(Display *dpy, struct xrandr *rr, struct lock **locks, int nscreens,
const char *hash) const char *hash)
@ -190,10 +227,12 @@ readpw(Display *dpy, struct xrandr *rr, struct lock **locks, int nscreens,
color = len ? INPUT : ((failure || failonclear) ? FAILED : INIT); color = len ? INPUT : ((failure || failonclear) ? FAILED : INIT);
if (running && oldc != color) { if (running && oldc != color) {
for (screen = 0; screen < nscreens; screen++) { for (screen = 0; screen < nscreens; screen++) {
XSetWindowBackground(dpy, if(locks[screen]->bgmap)
locks[screen]->win, XSetWindowBackgroundPixmap(dpy, locks[screen]->win, locks[screen]->bgmap);
locks[screen]->colors[color]); else
XClearWindow(dpy, locks[screen]->win); XSetWindowBackground(dpy, locks[screen]->win, locks[screen]->colors[0]);
//XClearWindow(dpy, locks[screen]->win);
drawlogo(dpy, locks[screen], color);
} }
oldc = color; oldc = color;
} }
@ -228,6 +267,10 @@ lockscreen(Display *dpy, struct xrandr *rr, int screen)
XColor color, dummy; XColor color, dummy;
XSetWindowAttributes wa; XSetWindowAttributes wa;
Cursor invisible; Cursor invisible;
#ifdef XINERAMA
XineramaScreenInfo *info;
int n;
#endif
if (dpy == NULL || screen < 0 || !(lock = malloc(sizeof(struct lock)))) if (dpy == NULL || screen < 0 || !(lock = malloc(sizeof(struct lock))))
return NULL; return NULL;
@ -235,27 +278,61 @@ lockscreen(Display *dpy, struct xrandr *rr, int screen)
lock->screen = screen; lock->screen = screen;
lock->root = RootWindow(dpy, lock->screen); lock->root = RootWindow(dpy, lock->screen);
if(image)
{
lock->bgmap = XCreatePixmap(dpy, lock->root, DisplayWidth(dpy, lock->screen), DisplayHeight(dpy, lock->screen), DefaultDepth(dpy, lock->screen));
imlib_context_set_image(image);
imlib_context_set_display(dpy);
imlib_context_set_visual(DefaultVisual(dpy, lock->screen));
imlib_context_set_colormap(DefaultColormap(dpy, lock->screen));
imlib_context_set_drawable(lock->bgmap);
imlib_render_image_on_drawable(0, 0);
imlib_free_image();
}
for (i = 0; i < NUMCOLS; i++) { for (i = 0; i < NUMCOLS; i++) {
XAllocNamedColor(dpy, DefaultColormap(dpy, lock->screen), XAllocNamedColor(dpy, DefaultColormap(dpy, lock->screen),
colorname[i], &color, &dummy); colorname[i], &color, &dummy);
lock->colors[i] = color.pixel; lock->colors[i] = color.pixel;
} }
lock->x = DisplayWidth(dpy, lock->screen);
lock->y = DisplayHeight(dpy, lock->screen);
#ifdef XINERAMA
if ((info = XineramaQueryScreens(dpy, &n))) {
lock->xoff = info[0].x_org;
lock->yoff = info[0].y_org;
lock->mw = info[0].width;
lock->mh = info[0].height;
} else
#endif
{
lock->xoff = lock->yoff = 0;
lock->mw = lock->x;
lock->mh = lock->y;
}
lock->drawable = XCreatePixmap(dpy, lock->root,
lock->x, lock->y, DefaultDepth(dpy, screen));
lock->gc = XCreateGC(dpy, lock->root, 0, NULL);
XSetLineAttributes(dpy, lock->gc, 1, LineSolid, CapButt, JoinMiter);
/* init */ /* init */
wa.override_redirect = 1; wa.override_redirect = 1;
wa.background_pixel = lock->colors[INIT]; wa.background_pixel = lock->colors[BACKGROUND];
lock->win = XCreateWindow(dpy, lock->root, 0, 0, lock->win = XCreateWindow(dpy, lock->root, 0, 0,
DisplayWidth(dpy, lock->screen), lock->x, lock->y,
DisplayHeight(dpy, lock->screen),
0, DefaultDepth(dpy, lock->screen), 0, DefaultDepth(dpy, lock->screen),
CopyFromParent, CopyFromParent,
DefaultVisual(dpy, lock->screen), DefaultVisual(dpy, lock->screen),
CWOverrideRedirect | CWBackPixel, &wa); CWOverrideRedirect | CWBackPixel, &wa);
if(lock->bgmap)
XSetWindowBackgroundPixmap(dpy, lock->win, lock->bgmap);
lock->pmap = XCreateBitmapFromData(dpy, lock->win, curs, 8, 8); lock->pmap = XCreateBitmapFromData(dpy, lock->win, curs, 8, 8);
invisible = XCreatePixmapCursor(dpy, lock->pmap, lock->pmap, invisible = XCreatePixmapCursor(dpy, lock->pmap, lock->pmap,
&color, &color, 0, 0); &color, &color, 0, 0);
XDefineCursor(dpy, lock->win, invisible); XDefineCursor(dpy, lock->win, invisible);
resizerectangles(lock);
/* Try to grab mouse pointer *and* keyboard for 600ms, else fail the lock */ /* Try to grab mouse pointer *and* keyboard for 600ms, else fail the lock */
for (i = 0, ptgrab = kbgrab = -1; i < 6; i++) { for (i = 0, ptgrab = kbgrab = -1; i < 6; i++) {
if (ptgrab != GrabSuccess) { if (ptgrab != GrabSuccess) {
@ -276,6 +353,7 @@ lockscreen(Display *dpy, struct xrandr *rr, int screen)
XRRSelectInput(dpy, lock->win, RRScreenChangeNotifyMask); XRRSelectInput(dpy, lock->win, RRScreenChangeNotifyMask);
XSelectInput(dpy, lock->root, SubstructureNotifyMask); XSelectInput(dpy, lock->root, SubstructureNotifyMask);
drawlogo(dpy, lock, INIT);
return lock; return lock;
} }
@ -355,6 +433,60 @@ main(int argc, char **argv) {
if (setuid(duid) < 0) if (setuid(duid) < 0)
die("slock: setuid: %s\n", strerror(errno)); die("slock: setuid: %s\n", strerror(errno));
/*Create screenshot Image*/
Screen *scr = ScreenOfDisplay(dpy, DefaultScreen(dpy));
image = imlib_create_image(scr->width,scr->height);
imlib_context_set_image(image);
imlib_context_set_display(dpy);
imlib_context_set_visual(DefaultVisual(dpy,0));
imlib_context_set_drawable(RootWindow(dpy,XScreenNumberOfScreen(scr)));
imlib_copy_drawable_to_image(0,0,0,scr->width,scr->height,0,0,1);
#ifdef BLUR
/*Blur function*/
imlib_image_blur(blurRadius);
#endif // BLUR
#ifdef PIXELATION
/*Pixelation*/
int width = scr->width;
int height = scr->height;
for(int y = 0; y < height; y += pixelSize)
{
for(int x = 0; x < width; x += pixelSize)
{
int red = 0;
int green = 0;
int blue = 0;
Imlib_Color pixel;
Imlib_Color* pp;
pp = &pixel;
for(int j = 0; j < pixelSize && j < height; j++)
{
for(int i = 0; i < pixelSize && i < width; i++)
{
imlib_image_query_pixel(x+i,y+j,pp);
red += pixel.red;
green += pixel.green;
blue += pixel.blue;
}
}
red /= (pixelSize*pixelSize);
green /= (pixelSize*pixelSize);
blue /= (pixelSize*pixelSize);
imlib_context_set_color(red,green,blue,pixel.alpha);
imlib_image_fill_rectangle(x,y,pixelSize,pixelSize);
red = 0;
green = 0;
blue = 0;
}
}
#endif
/* check for Xrandr support */ /* check for Xrandr support */
rr.active = XRRQueryExtension(dpy, &rr.evbase, &rr.errbase); rr.active = XRRQueryExtension(dpy, &rr.evbase, &rr.errbase);
@ -391,5 +523,12 @@ main(int argc, char **argv) {
/* everything is now blank. Wait for the correct password */ /* everything is now blank. Wait for the correct password */
readpw(dpy, &rr, locks, nscreens, hash); readpw(dpy, &rr, locks, nscreens, hash);
for (nlocks = 0, s = 0; s < nscreens; s++) {
XFreePixmap(dpy, locks[s]->drawable);
XFreeGC(dpy, locks[s]->gc);
}
XSync(dpy, 0);
XCloseDisplay(dpy);
return 0; return 0;
} }