void drawparttl(TextList *tl,int item)
{
int xmin = tl->xmin+8, xmax = tl->xmax-8-SLIDERWIDTH;
int ymin =
tl->ymin+5+(tl->listheight - item + tl->top - 1)*TEXTHEIGHT;
int ymax = ymin + TEXTHEIGHT - 3;
char **s;
if (!getvisibletl(tl) || !getitemvisibletl(tl,item))
return;
s = &tl->strs[item];
drawsetup();
uifrontbuffer(1);
uiLtGray();
uirectfi(xmin-1, ymin-1, xmax+1, ymax+1);
font(TEXTLISTFONT);
pushviewport();
scrmask(xmin-1, xmax+1, ymin-1, ymax+1);
if (s) {
xmax = xmin + 7 + strwidth(*s);
if (item == tl->selecteditem) {
uiWhite();
uirectfi(xmin, ymin, xmax, ymax);
}
if (item == tl->locateditem) {
uiWhite();
uirecti(xmin-1, ymin-1, xmax+1, ymax+1);
uirecti(xmin, ymin, xmax, ymax);
}
uiBlack();
uicmov2i(xmin+4, ymin + 5);
uicharstr(*s);
}
popviewport();
uifrontbuffer(0);
drawrestore();
}
main()
{
char dev[20];
int i;
fprintf(stderr,"Enter device: ");
gets(dev);
vinit(dev);
color(BLACK);
clear();
/*
* Set up two viewports (They actually overlap)
*/
viewport(-1.0, 0.3, -1.0, 0.3);
ortho(-2.0, 5.0, -2.0, 5.0, -2.0, 5.0);
lookat(0.0, 0.0, 0.0, -3.0, 2.0, -4.0, 0.0);
/*
* Save it
*/
pushviewport();
pushmatrix();
viewport(-0.3, 1.0, -0.3, 1.0);
ortho(-2.0, 5.0, -2.0, 5.0, -2.0, 5.0);
lookat(0.0, 0.0, 0.0, 3.0, 2.0, -4.0, 0.0);
textsize(0.4, 0.4);
/*
* patchcurves provides a number of curves in the t and u
* directions. patchprecision gives the minimum number of line
* segments making up the curves in the t and u directions. The
* actual number of linesegments in t or u is equal to the closest
* integer multiple of the number of curves, > nsegs, in t or u,
* greater than or equal to the number set by patchprecision in u or
* t. eg. curves in t will be made up of 21 line segments so that we
* can match up the 7 curves in u; curves in u will have 24 as 4 by 5
* gives 20.
*/
patchcurves(4, 7);
patchprecision(20, 20);
for (i = 0; i < 4; i++) {
axes();
/*
* patchbasis sets the basis matrices for the t and u
* functions
*
*/
patchbasis(basis[i], basis[i]);
/*
* Draw with viewport 2
*/
move(0.0, 4.0, 0.0);
drawstr(labels[i]);
/*
* now draw the patches according to the geometry matrices in
* x1, y1, and z1, x2, y2, z2.
*/
drawhull(x1, y1, z1);
patch(x1, y1, z1);
drawhull(x2, y2, z2);
patch(x2, y2, z2);
getkey();
/*
* Now with viewport 1
*/
popviewport();
popmatrix();
axes();
move(0.0, 4.0, 0.0);
drawstr(labels[i]);
/*
* now draw the patches according to the geometry matrices in
* x1, y1, and z1, x2, y2, z2.
*/
drawhull(x1, y1, z1);
patch(x1, y1, z1);
drawhull(x2, y2, z2);
patch(x2, y2, z2);
getkey();
/*
* Save viewport 1 again and reset to viewport 2
*/
pushviewport();
pushmatrix();
viewport(-0.3, 1.0, -0.3, 1.0);
ortho(-1.5, 5.0, -1.5, 5.0, -1.5, 5.0);
lookat(0.0, 0.0, 0.0, 3.0, 2.0, -4.0, 0.0);
color(BLACK);
clear();
}
vexit();
}