# include "xlockmore.h" /* from the xscreensaver distribution */
#else /* !STANDALONE */
# include "xlock.h" /* from the xlockmore distribution */
# include "xlockmore.h" /* from the xscreensaver distribution */
#else /* !STANDALONE */
# include "xlock.h" /* from the xlockmore distribution */
-{"cage", "init_cage", "draw_cage", "release_cage",
+{"cage", "init_cage", "draw_cage", NULL,
"draw_cage", "change_cage", (char *) NULL, &cage_opts,
25000, 1, 1, 1, 1.0, 4, "",
"Shows the Impossible Cage, an Escher-like GL scene", 0, NULL};
"draw_cage", "change_cage", (char *) NULL, &cage_opts,
25000, 1, 1, 1, 1.0, 4, "",
"Shows the Impossible Cage, an Escher-like GL scene", 0, NULL};
- glViewport(0, 0, cp->WindW = (GLint) width, cp->WindH = (GLint) height);
+ if (width > height * 5) { /* tiny window: show middle */
+ height = width * 9/16;
+ y = -height/2;
+ }
+
+ glViewport(0, y, cp->WindW = (GLint) width, cp->WindH = (GLint) height);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
glFrustum(-1.0, 1.0, -1.0, 1.0, 5.0, 15.0);
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
glFrustum(-1.0, 1.0, -1.0, 1.0, 5.0, 15.0);
-ENTRYPOINT void
-release_cage (ModeInfo * mi)
-{
- if (cage != NULL) {
- int screen;
-
- for (screen = 0; screen < MI_NUM_SCREENS(mi); screen++) {
- cagestruct *cp = &cage[screen];
-
- if (cp->glx_context) {
- cp->glx_context = (GLXContext *) NULL;
- }
- }
- (void) free((void *) cage);
- cage = (cagestruct *) NULL;
- }
- FreeAllGL(mi);
-}
-
+# ifdef HAVE_MOBILE /* Keep it the same relative size when rotated. */
+ {
+ int o = (int) current_device_rotation();
+ GLfloat h = MI_HEIGHT(mi) / (GLfloat) MI_WIDTH(mi);
+ if (o != 0 && o != 180 && o != -180) {
+ glScalef (1/h, h, 1/h); /* #### not quite right */
+ h = 1.7;
+ glScalef (h, h, h);
+ }
+ }
+# endif
+
/* cage */
glRotatef(cp->step * 100, 0, 0, 1);
glRotatef(25 + cos(cp->step * 5) * 6, 1, 0, 0);
glRotatef(204.5 - sin(cp->step * 5) * 8, 0, 1, 0);
if (!draw_impossiblecage(mi, cp, MI_IS_WIREFRAME(mi))) {
/* cage */
glRotatef(cp->step * 100, 0, 0, 1);
glRotatef(25 + cos(cp->step * 5) * 6, 1, 0, 0);
glRotatef(204.5 - sin(cp->step * 5) * 8, 0, 1, 0);
if (!draw_impossiblecage(mi, cp, MI_IS_WIREFRAME(mi))) {