// Try, very hard, to put everything in the multicol into two columns
// so that the total height is at most htavail.
void multicol::compose(int defonly)
{
int i;
stream cd;
if (!nonempty()) {
setheight(0);
return;
}
scratch.freeall(); // fill scratch with everything destined
// for either column
for (cd = definite; cd.more(); cd.advance())
scratch.append(cd.current());
if (!defonly)
for (cd = *(currpage->stage); cd.more(); cd.advance())
if (cd.current()->numcol() == 2)
scratch.append(cd.current());
scratch.restoreall(); // in particular, floatables' goals
int rawht = scratch.rawht();
int halfheight = (int)(coltol*rawht);
// choose a goal height
int maxht = defonly ? halfheight : htavail;
secondtry:
for (i = 0; i < 2; i++)
column[i].freeall();
leftblocked = 0;
cd = scratch;
while (cd.more()) {
queue ministage; // for the minimally acceptable chunks
ministage.freeall(); // that are to be added to either column
while (cd.more() && !cd.current()->issentinel()) {
ministage.enqueue(cd.current());
cd.advance();
}
choosecol(&ministage, maxht);
if (cd.more() && cd.current()->issentinel())
cd.advance(); // past sentinel
}
if (height() > htavail && maxht != htavail) {
// We tried to balance the columns, but
// the result was too tall. Go back
// and try again with the less ambitious
// goal of fitting the space available.
maxht = htavail;
goto secondtry;
}
for (i = 0; i < 2; i++) {
movefloats(&(column[i]), ((double) column[i].rawht())/currpage->pagesize);
trimspace(&(column[i]));
}
if (dbg & 32) {
printf("#multicol::compose: htavail %d maxht %d dv %d\n",
htavail, maxht, height());
dump();
}
if (defonly)
stretch(height());
}
void init(void)
{
glEnable(GL_DEPTH_TEST);
glClearColor(0.6, 0.6, 0.6, 1);
glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
pngLoadRaw("terrain5.png", &info);
setheight();
move[1] = bilinear(move[0], move[2]);
tri[0] = Vec3(0, bilinear(0, 0.5), 0.5);
tri[1] = Vec3(2.5, bilinear(2.5, 0), 0);
tri[2] = Vec3(0, bilinear(0, -0.5), -0.5);
car = glmReadOBJ("porsche.obj");
glmUnitize(car);
glmScale(car, 15);
glmFacetNormals(car);
glmVertexNormals(car, 90);
glEnable(GL_TEXTURE_2D);
}
void ministub::setrealheight(float x,float z,float h)
{
if (SCALE*RELSCALE==0.0f) ERRORMSG();
setheight(x,z,(h-CENTERY)/(SCALE*RELSCALE));
}
void ministub::setrealheight(int i,int j,float h)
{
if (SCALE*RELSCALE==0.0f) ERRORMSG();
setheight(i,j,(h-CENTERY)/(SCALE*RELSCALE));
}
