X-Git-Url: http://git.hungrycats.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=hacks%2Fglx%2Fmolecule.c;h=4cc3d0849463a39e5e97879e3afd0d57f8c97766;hb=aa75c7476aeaa84cf3abc192b376a8b03c325213;hp=f1b4f7e958d06e0f0d1ceef67ecdf17600e9973b;hpb=6afd6db0ae9396cd7ff897ade597cd5483f49b0e;p=xscreensaver diff --git a/hacks/glx/molecule.c b/hacks/glx/molecule.c index f1b4f7e9..4cc3d084 100644 --- a/hacks/glx/molecule.c +++ b/hacks/glx/molecule.c @@ -1,4 +1,4 @@ -/* molecule, Copyright (c) 2001-2014 Jamie Zawinski +/* molecule, Copyright (c) 2001-2016 Jamie Zawinski * Draws molecules, based on coordinates from PDB (Protein Data Base) files. * * Permission to use, copy, modify, distribute, and sell this software and its @@ -12,7 +12,7 @@ /* Documentation on the PDB file format: - http://en.wikipedia.org/wiki/Protein_Data_Bank_%28file_format%29 + https://en.wikipedia.org/wiki/Protein_Data_Bank_%28file_format%29 http://www.wwpdb.org/docs.html http://www.wwpdb.org/documentation/format32/v3.2.html http://www.wwpdb.org/documentation/format32/sect9.html @@ -24,16 +24,14 @@ http://www.wwpdb.org/docs.html */ -#define ATOM_FONT "-*-helvetica-medium-r-normal-*-240-*" - #define DEFAULTS "*delay: 10000 \n" \ "*showFPS: False \n" \ "*wireframe: False \n" \ - "*atomFont: " ATOM_FONT "\n" \ - "*atomFont2: -*-helvetica-bold-r-normal-*-80-*\n" \ - "*titleFont: -*-helvetica-medium-r-normal-*-180-*\n" \ - "*noLabelThreshold: 30 \n" \ + "*atomFont: -*-helvetica-medium-r-normal-*-*-240-*-*-*-*-*-*\n" \ + "*titleFont: -*-helvetica-medium-r-normal-*-*-180-*-*-*-*-*-*\n" \ + "*noLabelThreshold: 150 \n" \ "*wireframeThreshold: 150 \n" \ + "*suppressRotationAnimation: True\n" \ # define refresh_molecule 0 # define release_molecule 0 @@ -44,7 +42,7 @@ #include "colors.h" #include "sphere.h" #include "tube.h" -#include "glxfonts.h" +#include "texfont.h" #include "rotator.h" #include "gltrackball.h" @@ -94,7 +92,7 @@ static const char * const builtin_pdb_data[] = { }; -#ifndef USE_IPHONE +#ifndef HAVE_MOBILE # define LOAD_FILES #endif @@ -163,18 +161,20 @@ typedef struct { int mode; /* 0 = normal, 1 = out, 2 = in */ int mode_tick; + int next; /* 0 = random, -1 = back, 1 = forward */ GLuint molecule_dlist; GLuint shell_dlist; - texture_font_data *font1_data, *font2_data, *font3_data; + texture_font_data *atom_font, *title_font; int polygon_count; time_t draw_time; int draw_tick; - int scale_down; + GLfloat overall_scale; + int low_rez_p; } molecule_configuration; @@ -248,8 +248,8 @@ static int sphere (molecule_configuration *mc, GLfloat x, GLfloat y, GLfloat z, GLfloat diameter, Bool wire) { - int stacks = (mc->scale_down ? SPHERE_STACKS_2 : SPHERE_STACKS); - int slices = (mc->scale_down ? SPHERE_SLICES_2 : SPHERE_SLICES); + int stacks = (mc->low_rez_p ? SPHERE_STACKS_2 : SPHERE_STACKS); + int slices = (mc->low_rez_p ? SPHERE_SLICES_2 : SPHERE_SLICES); glPushMatrix (); glTranslatef (x, y, z); @@ -265,9 +265,8 @@ static void load_fonts (ModeInfo *mi) { molecule_configuration *mc = &mcs[MI_SCREEN(mi)]; - mc->font1_data = load_texture_font (mi->dpy, "atomFont"); - mc->font2_data = load_texture_font (mi->dpy, "atomFont2"); - mc->font3_data = load_texture_font (mi->dpy, "titleFont"); + mc->atom_font = load_texture_font (mi->dpy, "atomFont"); + mc->title_font = load_texture_font (mi->dpy, "titleFont"); } @@ -481,9 +480,12 @@ draw_bounding_box (ModeInfo *mi) glColor3f (c2[0], c2[1], c2[2]); glBegin(GL_LINES); - if (x1 > 0) x1 = 0; if (x2 < 0) x2 = 0; - if (y1 > 0) y1 = 0; if (y2 < 0) y2 = 0; - if (z1 > 0) z1 = 0; if (z2 < 0) z2 = 0; + if (x1 > 0) x1 = 0; + if (x2 < 0) x2 = 0; + if (y1 > 0) y1 = 0; + if (y2 < 0) y2 = 0; + if (z1 > 0) z1 = 0; + if (z2 < 0) z2 = 0; glVertex3f(x1, 0, 0); glVertex3f(x2, 0, 0); glVertex3f(0 , y1, 0); glVertex3f(0, y2, 0); glVertex3f(0, 0, z1); glVertex3f(0, 0, z2); @@ -519,14 +521,15 @@ ensure_bounding_box_visible (ModeInfo *mi) mc->molecule_size = size; - mc->scale_down = 0; + mc->low_rez_p = 0; + mc->overall_scale = 1; if (size > max_size) { - GLfloat scale = max_size / size; - glScalef (scale, scale, scale); + mc->overall_scale = max_size / size; + glScalef (mc->overall_scale, mc->overall_scale, mc->overall_scale); - mc->scale_down = scale < 0.3; + mc->low_rez_p = mc->overall_scale < 0.3; } glTranslatef (-(x1 + w/2), @@ -588,21 +591,23 @@ build_molecule (ModeInfo *mi, Bool transparent_p) } else { - int faces = (mc->scale_down ? TUBE_FACES_2 : TUBE_FACES); + int faces = (mc->low_rez_p ? TUBE_FACES_2 : TUBE_FACES); # ifdef SMOOTH_TUBE int smooth = True; # else int smooth = False; # endif - GLfloat thickness = 0.07 * b->strength; - GLfloat cap_size = 0.03; + Bool cap_p = (!do_atoms || do_shells); + GLfloat base = 0.07; + GLfloat thickness = base * b->strength; + GLfloat cap_size = (cap_p ? base / 2 : 0); if (thickness > 0.3) thickness = 0.3; polys += tube (from->x, from->y, from->z, to->x, to->y, to->z, thickness, cap_size, - faces, smooth, (!do_atoms || do_shells), wire); + faces, smooth, cap_p, wire); } } @@ -1195,6 +1200,14 @@ reshape_molecule (ModeInfo *mi, int width, int height) 0.0, 0.0, 0.0, 0.0, 1.0, 0.0); +# ifdef HAVE_MOBILE /* Keep it the same relative size when rotated. */ + { + int o = (int) current_device_rotation(); + if (o != 0 && o != 180 && o != -180) + glScalef (1/h, 1/h, 1/h); + } +# endif + glClear(GL_COLOR_BUFFER_BIT); } @@ -1218,10 +1231,9 @@ startup_blurb (ModeInfo *mi) { molecule_configuration *mc = &mcs[MI_SCREEN(mi)]; const char *s = "Constructing molecules..."; - print_gl_string (mi->dpy, mc->font3_data, - mi->xgwa.width, mi->xgwa.height, - 10, mi->xgwa.height - 10, - s, False); + print_texture_label (mi->dpy, mc->title_font, + mi->xgwa.width, mi->xgwa.height, + 0, s); glFinish(); glXSwapBuffers(MI_DISPLAY(mi), MI_WINDOW(mi)); } @@ -1235,12 +1247,35 @@ molecule_handle_event (ModeInfo *mi, XEvent *event) MI_WIDTH (mi), MI_HEIGHT (mi), &mc->button_down_p)) return True; - else if (screenhack_event_helper (MI_DISPLAY(mi), MI_WINDOW(mi), event)) + else { - GLfloat speed = 4.0; - mc->mode = 1; - mc->mode_tick = 10 * speed; - return True; + if (event->xany.type == KeyPress) + { + KeySym keysym; + char c = 0; + XLookupString (&event->xkey, &c, 1, &keysym, 0); + if (c == '<' || c == ',' || c == '-' || c == '_' || + keysym == XK_Left || keysym == XK_Up || keysym == XK_Prior) + { + mc->next = -1; + goto SWITCH; + } + else if (c == '>' || c == '.' || c == '=' || c == '+' || + keysym == XK_Right || keysym == XK_Down || + keysym == XK_Next) + { + mc->next = 1; + goto SWITCH; + } + } + + if (screenhack_event_helper (MI_DISPLAY(mi), MI_WINDOW(mi), event)) + { + SWITCH: + mc->mode = 1; + mc->mode_tick = 4; + return True; + } } return False; @@ -1345,9 +1380,6 @@ draw_labels (ModeInfo *mi) if (!do_labels) return; - if (!wire) - glDisable (GL_LIGHTING); /* don't light fonts */ - for (i = 0; i < m->natoms; i++) { molecule_atom *a = &m->atoms[i]; @@ -1361,7 +1393,7 @@ draw_labels (ModeInfo *mi) /* First, we translate the origin to the center of the atom. - Then we retrieve the prevailing modelview matrix (which + Then we retrieve the prevailing modelview matrix, which includes any rotation, wandering, and user-trackball-rolling of the scene. @@ -1397,27 +1429,24 @@ draw_labels (ModeInfo *mi) glRotatef (current_device_rotation(), 0, 0, 1); /* right side up */ { - int h; - int w = texture_string_width (mc->font1_data, a->label, &h); - GLfloat s = 1.0 / h; - GLfloat max = 18; /* max point size to avoid pixellated text */ - if (h > max) s *= max/h; + XCharStruct e; + int w, h; + GLfloat s; + + texture_string_metrics (mc->atom_font, a->label, &e, 0, 0); + w = e.width; + h = e.ascent + e.descent; + + s = 1.0 / h; /* Scale to unit */ + s *= mc->overall_scale; /* Scale to size of atom */ + s *= 0.8; /* Shrink a bit */ glScalef (s, s, 1); - glTranslatef (-w/2, h*2/3, 0); - print_gl_string (mi->dpy, mc->font1_data, - 0, 0, 0, 0, - a->label, False); + glTranslatef (-w/2, -h/2, 0); + print_texture_string (mc->atom_font, a->label); } glPopMatrix(); } - - /* More efficient to always call glEnable() with correct values - than to call glPushAttrib()/glPopAttrib(), since reading - attributes from GL does a round-trip and stalls the pipeline. - */ - if (!wire) - glEnable (GL_LIGHTING); } @@ -1435,6 +1464,18 @@ pick_new_molecule (ModeInfo *mi, time_t last) { mc->which = random() % mc->nmolecules; } + else if (mc->next < 0) + { + mc->which--; + if (mc->which < 0) mc->which = mc->nmolecules-1; + mc->next = 0; + } + else if (mc->next > 0) + { + mc->which++; + if (mc->which >= mc->nmolecules) mc->which = 0; + mc->next = 0; + } else { int n = mc->which; @@ -1537,7 +1578,7 @@ draw_molecule (ModeInfo *mi) { /* randomize molecules every -timeout seconds */ mc->mode = 1; /* go out */ - mc->mode_tick = 10 * speed; + mc->mode_tick = 80 / speed; mc->draw_time = now; } } @@ -1546,10 +1587,9 @@ draw_molecule (ModeInfo *mi) { if (--mc->mode_tick <= 0) { - mc->mode_tick = 10 * speed; + mc->mode_tick = 80 / speed; mc->mode = 2; /* go in */ pick_new_molecule (mi, mc->draw_time); - mc->draw_time = now; } } else if (mc->mode == 2) /* in */ @@ -1583,8 +1623,8 @@ draw_molecule (ModeInfo *mi) if (mc->mode != 0) { GLfloat s = (mc->mode == 1 - ? mc->mode_tick / (10 * speed) - : ((10 * speed) - mc->mode_tick + 1) / (10 * speed)); + ? mc->mode_tick / (80 / speed) + : ((80 / speed) - mc->mode_tick + 1) / (80 / speed)); glScalef (s, s, s); } @@ -1602,10 +1642,9 @@ draw_molecule (ModeInfo *mi) if (do_titles && m->label && *m->label) { set_atom_color (mi, 0, True, 1); - print_gl_string (mi->dpy, mc->font3_data, - mi->xgwa.width, mi->xgwa.height, - 10, mi->xgwa.height - 10, - m->label, False); + print_texture_label (mi->dpy, mc->title_font, + mi->xgwa.width, mi->xgwa.height, + 1, m->label); } } glPopMatrix();