diff -r -u gnome-applets-2.4.1.orig/geyes/ChangeLog gnome-applets-2.4.1/geyes/ChangeLog --- gnome-applets-2.4.1.orig/geyes/ChangeLog 2003-06-03 20:00:10.000000000 -0400 +++ gnome-applets-2.4.1/geyes/ChangeLog 2003-10-16 07:16:48.000000000 -0400 @@ -1,3 +1,9 @@ +2003-10-27 Behdad Esfahbod + + * geyes.c, geyes.h: Added 3d effect for pupil movement. + * themes.c: Parse new tags crossed-eyes and eye-depth for 3d effect. + * themes/*/config: Added 3d effect tags. + Mon Sep 15 15:17:32 2003 George Lebl * geyes.c: when started in lockdown mode, hide the preferences item diff -r -u gnome-applets-2.4.1.orig/geyes/geyes.c gnome-applets-2.4.1/geyes/geyes.c --- gnome-applets-2.4.1.orig/geyes/geyes.c 2003-06-03 20:00:10.000000000 -0400 +++ gnome-applets-2.4.1/geyes/geyes.c 2003-10-16 07:16:48.000000000 -0400 @@ -116,38 +116,63 @@ double cosa; double nx; double ny; + double dx; + double dy; double h; double temp; nx = x - ((double) eyes_applet->eye_width / 2); ny = y - ((double) eyes_applet->eye_height / 2); - h = hypot (nx, ny); - if (abs (h) - < (abs (hypot (eyes_applet->eye_height / 2, eyes_applet->eye_width / 2)) - eyes_applet->wall_thickness - eyes_applet->pupil_height)) { - *pupil_x = x; - *pupil_y = y; - return; - } - angle = atan2 (nx, ny); sina = sin (angle); cosa = cos (angle); - temp = hypot ((eyes_applet->eye_height / 2) * cosa, (eyes_applet->eye_width / 2)* sina); - *pupil_x = temp * sina; - *pupil_y = temp * cosa; + /* calculate the real space */ + *pupil_x = (eyes_applet->eye_width + - eyes_applet->pupil_width + - eyes_applet->wall_thickness) / 2; + *pupil_y = (eyes_applet->eye_height + - eyes_applet->pupil_height + - eyes_applet->wall_thickness) / 2; + + /* circlize */ + *pupil_x *= sina; + *pupil_y *= cosa; - temp = hypot ((eyes_applet->pupil_width / 2) * sina, (eyes_applet->pupil_height / 2)* cosa); - *pupil_x -= temp * sina; - *pupil_y -= temp * cosa; - - temp = hypot ((eyes_applet->wall_thickness / 2) * sina, (eyes_applet->wall_thickness / 2) * cosa); - *pupil_x -= temp * sina; - *pupil_y -= temp * cosa; + + /* 3d effect */ + + h = hypot (nx, ny); + + /* we check for eye_depth from theme, + and fall back to 2d if not available */ + + + /* TODO: + implement 'bigbug' effect, that's to go crossed-eyes + whenever gnome-panel-screenshot is taking a *photo*. + (courtesy of Mohmmad 'bigbug' Toossi ) + -- Behdad Esfahbod + */ + + dx = eyes_applet->eye_depth; + if (dx == 0 || eyes_applet->crossed_eyes) + /* don't do 3d for x axis if crossed eyes asked for */ + dx = *pupil_x; + + dy = eyes_applet->eye_depth; + if (dy == 0) + dy = *pupil_y; + + /* a simple projection */ + *pupil_x *= h / sqrt(h*h + dx*dx); + *pupil_y *= h / sqrt(h*h + dy*dy); - *pupil_x += (eyes_applet->eye_width / 2); - *pupil_y += (eyes_applet->eye_height / 2); + + /* add offset */ + *pupil_x += eyes_applet->eye_width / 2; + *pupil_y += eyes_applet->eye_height / 2; } static void diff -r -u gnome-applets-2.4.1.orig/geyes/geyes.h gnome-applets-2.4.1/geyes/geyes.h --- gnome-applets-2.4.1.orig/geyes/geyes.h 2003-06-03 20:00:10.000000000 -0400 +++ gnome-applets-2.4.1/geyes/geyes.h 2003-10-16 06:45:52.000000000 -0400 @@ -49,8 +49,10 @@ gchar *eye_filename; gchar *pupil_filename; gint num_eyes; + gint crossed_eyes; gint eye_height; gint eye_width; + gint eye_depth; gint pupil_height; gint pupil_width; gint wall_thickness; diff -r -u gnome-applets-2.4.1.orig/geyes/README.themes gnome-applets-2.4.1/geyes/README.themes --- gnome-applets-2.4.1.orig/geyes/README.themes 1999-07-09 21:32:17.000000000 -0400 +++ gnome-applets-2.4.1/geyes/README.themes 2003-10-16 07:10:48.000000000 -0400 @@ -23,12 +23,14 @@ * pupil-pixmap = "filename" Yes, the quotes have to be there. Names the filename to use for the pupil pixmap. +* eye-depth = n +Think of eye-depth as how far the eye is behind the monitor screen, in pixels. +This is used for to create the 3d effect, which seems that the eye is located +behind the screen, not *on* the screen. +* crossed-eyes = b +Where b is 0 or 1. If 3d effect is on (eye-depth is set), makes it so that +you can still get a crossed-eyes effect when putting the cursor between +two of the eyes. Take a look at the themes that come with gEyes for examples, or the geyes_applet(1) man page for another view of the process. - - - - - - diff -r -u gnome-applets-2.4.1.orig/geyes/themes/Bizarre/config gnome-applets-2.4.1/geyes/themes/Bizarre/config --- gnome-applets-2.4.1.orig/geyes/themes/Bizarre/config 1999-07-09 21:32:20.000000000 -0400 +++ gnome-applets-2.4.1/geyes/themes/Bizarre/config 2003-10-16 07:03:56.000000000 -0400 @@ -1,4 +1,5 @@ wall-thickness=2 num-eyes = 3 +eye-depth = 300 eye-pixmap = "Bizarre-eye.png" pupil-pixmap = "Bizarre-pupil.png" diff -r -u gnome-applets-2.4.1.orig/geyes/themes/Bloodshot/config gnome-applets-2.4.1/geyes/themes/Bloodshot/config --- gnome-applets-2.4.1.orig/geyes/themes/Bloodshot/config 1999-07-09 21:32:20.000000000 -0400 +++ gnome-applets-2.4.1/geyes/themes/Bloodshot/config 2003-10-16 07:03:56.000000000 -0400 @@ -1,4 +1,6 @@ wall-thickness = 5 num-eyes = 2 +crossed-eyes = 1 +eye-depth = 300 eye-pixmap = "Bloodshot-eye.png" pupil-pixmap = "Bloodshot-pupil.png" diff -r -u gnome-applets-2.4.1.orig/geyes/themes/Default/config gnome-applets-2.4.1/geyes/themes/Default/config --- gnome-applets-2.4.1.orig/geyes/themes/Default/config 1999-07-09 21:32:20.000000000 -0400 +++ gnome-applets-2.4.1/geyes/themes/Default/config 2003-10-16 07:03:57.000000000 -0400 @@ -1,4 +1,6 @@ wall-thickness = 6 num-eyes = 2 +crossed-eyes = 1 +eye-depth = 300 eye-pixmap = "Default-eye.png" pupil-pixmap = "Default-pupil.png" diff -r -u gnome-applets-2.4.1.orig/geyes/themes/Default-tiny/config gnome-applets-2.4.1/geyes/themes/Default-tiny/config --- gnome-applets-2.4.1.orig/geyes/themes/Default-tiny/config 1999-08-25 21:53:02.000000000 -0400 +++ gnome-applets-2.4.1/geyes/themes/Default-tiny/config 2003-10-16 07:03:57.000000000 -0400 @@ -1,4 +1,6 @@ wall-thickness = 3 num-eyes = 2 +crossed-eyes = 1 +eye-depth = 300 eye-pixmap = "Default-tiny-eye.png" pupil-pixmap = "Default-tiny-pupil.png" diff -r -u gnome-applets-2.4.1.orig/geyes/themes/Horrid/config gnome-applets-2.4.1/geyes/themes/Horrid/config --- gnome-applets-2.4.1.orig/geyes/themes/Horrid/config 1999-08-03 22:00:09.000000000 -0400 +++ gnome-applets-2.4.1/geyes/themes/Horrid/config 2003-10-16 07:03:58.000000000 -0400 @@ -1,4 +1,5 @@ wall-thickness = 6 num-eyes = 1 +eye-depth = 400 eye-pixmap = "horrid_eye.png" pupil-pixmap = "horrid_pupil.png" diff -r -u gnome-applets-2.4.1.orig/geyes/themes.c gnome-applets-2.4.1/geyes/themes.c --- gnome-applets-2.4.1.orig/geyes/themes.c 2003-07-21 19:41:41.000000000 -0400 +++ gnome-applets-2.4.1/geyes/themes.c 2003-10-16 06:45:39.000000000 -0400 @@ -41,6 +41,9 @@ { gchar line_buf [512]; /* prolly overkill */ gchar *token; + /* eye-depth and crossed-eyes may not be specified */ + eyes_applet->crossed_eyes = 0; + eyes_applet->eye_depth = 0; fgets (line_buf, 512, theme_file); while (!feof (theme_file)) { token = strtok (line_buf, "="); @@ -57,6 +60,18 @@ token++; } sscanf (token, "%d", &eyes_applet->num_eyes); + } else if (strncmp (token, "crossed-eyes", strlen ("crossed-eyes")) == 0) { + token += strlen ("crossed-eyes"); + while (!isdigit (*token)) { + token++; + } + sscanf (token, "%d", &eyes_applet->crossed_eyes); + } else if (strncmp (token, "eye-depth", strlen ("eye-depth")) == 0) { + token += strlen ("eye-depth"); + while (!isdigit (*token)) { + token++; + } + sscanf (token, "%d", &eyes_applet->eye_depth); } else if (strncmp (token, "eye-pixmap", strlen ("eye-pixmap")) == 0) { token = strtok (NULL, "\""); token = strtok (NULL, "\"");