void process_events( void ) {
SDL_Event event;
while( SDL_PollEvent( &event ) ) {
switch( event.type ) {
case SDL_KEYDOWN:
handle_keydown( &event.key.keysym );
break;
case SDL_KEYUP:
handle_keyup( &event.key.keysym );
break;
case SDL_QUIT:
quit_app( 0 );
break;
}
}
}
int main(int argc, char* argv[]) {
msgbuf = malloc(256);
msgbuf[0] = 0;
currentLayer = 0;
cache = true;
int longIndex;
int opt;
do {
opt = getopt_long(argc, argv, optString, longOpts, &longIndex);
if (opt != -1) {
switch( opt ) {
case 'l':
currentLayer = strtol(optarg, NULL, 10);
break;
case 'w':
extrusionWidth = strtof(optarg, NULL);
break;
case 'n':
printf("DISABLING CACHE\n");
cache = false;
break;
case 'h': /* fall-through is intentional */
case '?':
display_usage();
break;
case 0: /* long option without a short arg */
//if( strcmp( "randomize", longOpts[longIndex].name ) == 0 ) {
// globalArgs.randomized = 1;
//}
break;
default:
/* You won't actually get here. */
break;
}
}
}
while (opt != -1);
if (optind >= argc)
display_usage();
int fd = open(argv[optind], 0);
if (fd == -1)
die("Open ", argv[optind]);
struct stat filestats;
if (fstat(fd, &filestats) == -1)
die("fstat ", argv[optind]);
filesz = filestats.st_size;
printf("File is %d long\n", filesz);
#ifdef __linux__
gcodefile = mmap(NULL, filesz, PROT_READ, MAP_PRIVATE | MAP_POPULATE, fd, 0);
#elif defined __APPLE__
gcodefile = mmap(NULL, filesz, PROT_READ, MAP_PRIVATE, fd, 0);
#else
#error "don't know how to mmap on this system!"
#endif
if (gcodefile == MAP_FAILED)
die("mmap ", argv[optind]);
gcodefile_end = &gcodefile[filesz];
busy = BUSY_SCANFILE;
scanLines();
if (currentLayer >= layerCount)
currentLayer = layerCount - 1;
//for (int i = 0; i < layerCount; i++)
// printf("Layer %3d starts at %7d and is %7d bytes long\n", i, layer[i].index - gcodefile, layer[i].size);
Running = true;
Surf_Display = NULL;
if (SDL_Init(SDL_INIT_EVERYTHING) < 0)
die("SDL_init", "");
if (FcInitLoadConfigAndFonts() == ((void *) FcTrue))
die("FontConfig Init","");
// from http://www.spinics.net/lists/font-config/msg03050.html
FcPattern *pat, *match;
FcResult result;
char *file;
int index;
pat = FcPatternCreate();
FcPatternAddString(pat, FC_FAMILY, (FcChar8 *) "Mono");
FcConfigSubstitute(NULL, pat, FcMatchPattern);
FcDefaultSubstitute(pat);
match = FcFontMatch(NULL, pat, &result);
FcPatternGetString(match, FC_FILE, 0, (FcChar8 **) &file);
FcPatternGetInteger(match, FC_INDEX, 0, &index);
font = ftglCreateExtrudeFont(file);
if (!font)
die("FTGL createFont", "");
FcPatternDestroy (match);
FcPatternDestroy (pat);
#ifdef OPENGL
transX = transY = 0.0;
zoomFactor = 1.0;
resize(600, 600);
#else
viewPortL = viewPortT = 0.0;
viewPortR = viewPortB = 200.0;
zoomFactor = 3.0;
resize(viewPortR * zoomFactor, viewPortB * zoomFactor);
#endif
SDL_WM_SetCaption("gcodeview", 0);
drawLayer(currentLayer);
layerVelocity = 0;
timerIdle = SDL_AddTimer(20, &timerCallback, (void *) TIMER_IDLE);
SDL_Event Event;
while(Running != false) {
if (busy) {
Event.type = SDL_NOEVENT;
SDL_PollEvent(&Event);
}
else {
if (SDL_WaitEvent(&Event) == 0)
die("SDL_WaitEvent", "");
}
//SDL_RemoveTimer(timerIdle);
switch (Event.type) {
case SDL_NOEVENT:
if (busy & BUSY_SCANFILE) {
// TODO: scan next layer
scanLine();
if ((busy & BUSY_SCANFILE) == 0) {
if (cache) {
printf("File scanned, rendering...\n");
busy = BUSY_RENDER;
}
else {
printf("File scanned.\n");
busy = 0;
}
}
}
else if ((busy & BUSY_RENDER) && cache) {
bool allRendered = true;
int i;
// TODO: render next layer in background
for (i = 0; i < layerCount; i++) {
if (layer[i].glList == 0) {
layer[i].glList = glGenLists(1);
glNewList(layer[i].glList, GL_COMPILE);
glBegin(GL_QUADS);
for (int j = SHADOW_LAYERS; j >= 1; j--) {
if (i - j > 0)
render_layer(i - j, SHADOW_ALPHA - (j - 1) * (SHADOW_ALPHA / SHADOW_LAYERS));
}
render_layer(i, 1.0);
glEnd();
glEndList();
layer[i].flags |= LD_LISTGENERATED;
allRendered = false;
break;
}
}
if (allRendered) {
printf("All %d layers rendered\n", i);
busy &= ~BUSY_RENDER;
}
}
break;
case SDL_QUIT:
Running = false;
break;
case SDL_VIDEORESIZE:
resize(Event.resize.w, Event.resize.h);
break;
case SDL_VIDEOEXPOSE:
render();
break;
case SDL_MOUSEBUTTONDOWN:
handle_mousedown(Event.button);
break;
case SDL_MOUSEBUTTONUP:
handle_mouseup(Event.button);
break;
case SDL_MOUSEMOTION:
handle_mousemove(Event.motion);
break;
case SDL_ACTIVEEVENT: // lose or gain focus
break;
case SDL_KEYDOWN:
handle_keydown(Event.key);
break;
case SDL_KEYUP:
handle_keyup(Event.key);
break;
case SDL_USEREVENT:
handle_userevent(Event.user);
break;
default:
printf("SDL Event %d\n", Event.type);
break;
}
//idle code
//if (busy)
// timerIdle = SDL_AddTimer(20, &timerCallback, (void *) TIMER_IDLE);
}
if (timerKeyRepeat)
SDL_RemoveTimer(timerKeyRepeat);
if (timerDragRender)
SDL_RemoveTimer(timerDragRender);
free(layer);
SDL_FreeSurface(Surf_Display);
SDL_Quit();
return 0;
}