void hersheyPrintLetterInfo2(char ch) {
float lm, rm, x, y, ox, oy;
int draw, odraw;
hersheyhandle hh;
hersheyDrawInitLetter(&hh, ch, &lm, &rm);
printf("pretranslate(%f, %f, %f)\n", -lm, 0.0, 0.0);
ox=0;
oy=0;
odraw=0;
while (!hersheyDrawNextLine(&hh, &draw, &x, &y)) {
if (draw && odraw) {
printf("line: %g %g -> %g %g\n", ox, oy, x, y);
}
ox=x;
oy=y;
odraw=draw;
}
printf("\nposttranslate(%f, %f, %f)\n", rm, 0.0, 0.0);
}
void TachyonDisplayDevice::text(float *pos, float size, float thickness,
const char *str) {
float textpos[3];
float textsize, textthickness;
hersheyhandle hh;
// transform the world coordinates
(transMat.top()).multpoint3d(pos, textpos);
textsize = size * 1.5f;
textthickness = thickness*DEFAULT_RADIUS;
while (*str != '\0') {
float lm, rm, x, y, ox, oy;
int draw, odraw;
ox=oy=x=y=0.0f;
draw=odraw=0;
hersheyDrawInitLetter(&hh, *str, &lm, &rm);
textpos[0] -= lm * textsize;
while (!hersheyDrawNextLine(&hh, &draw, &x, &y)) {
float oldpt[3], newpt[3];
if (draw) {
newpt[0] = textpos[0] + textsize * x;
newpt[1] = textpos[1] + textsize * y;
newpt[2] = textpos[2];
if (odraw) {
// if we have both previous and next points, connect them...
oldpt[0] = textpos[0] + textsize * ox;
oldpt[1] = textpos[1] + textsize * oy;
oldpt[2] = textpos[2];
fprintf(outfile, "FCylinder\n"); // flat-ended cylinder
fprintf(outfile, " Base %g %g %g\n", oldpt[0], oldpt[1], -oldpt[2]);
fprintf(outfile, " Apex %g %g %g\n", newpt[0], newpt[1], -newpt[2]);
fprintf(outfile, " Rad %g \n", textthickness);
write_cindexmaterial(colorIndex, materialIndex);
fprintf(outfile, "Sphere \n"); // sphere
fprintf(outfile, " Center %g %g %g \n", newpt[0], newpt[1], -newpt[2]);
fprintf(outfile, " Rad %g \n", textthickness);
write_cindexmaterial(colorIndex, materialIndex);
} else {
// ...otherwise, just draw the next point
fprintf(outfile, "Sphere \n"); // sphere
fprintf(outfile, " Center %g %g %g \n", newpt[0], newpt[1], -newpt[2]);
fprintf(outfile, " Rad %g \n", textthickness);
write_cindexmaterial(colorIndex, materialIndex);
}
}
ox=x;
oy=y;
odraw=draw;
}
textpos[0] += rm * textsize;
str++;
}
}
void GelatoDisplayDevice::text(float *pos, float size, float thickness,
const char *str) {
float textpos[3];
float textsize, textthickness;
hersheyhandle hh;
// transform the world coordinates
(transMat.top()).multpoint3d(pos, textpos);
textsize = size * 1.5f;
textthickness = thickness*DEFAULT_RADIUS;
while (*str != '\0') {
float lm, rm, x, y, ox, oy;
int draw, odraw;
ox=oy=x=y=0.0f;
draw=odraw=0;
hersheyDrawInitLetter(&hh, *str, &lm, &rm);
textpos[0] -= lm * textsize;
while (!hersheyDrawNextLine(&hh, &draw, &x, &y)) {
float oldpt[3], newpt[3];
if (draw) {
newpt[0] = textpos[0] + textsize * x;
newpt[1] = textpos[1] + textsize * y;
newpt[2] = textpos[2];
if (odraw) {
// if we have both previous and next points, connect them...
oldpt[0] = textpos[0] + textsize * ox;
oldpt[1] = textpos[1] + textsize * oy;
oldpt[2] = textpos[2];
cylinder_nurb_noxfrm(oldpt, newpt, textthickness, 0);
fprintf(outfile, "PushTransform()\n");
write_materials(1);
fprintf(outfile, "Translate(%g, %g, %g)\n",
newpt[0], newpt[1], newpt[2]);
fprintf(outfile, "Sphere(%g, %g, %g, 360)\n",
textthickness, -textthickness, textthickness);
fprintf(outfile, "PopTransform()\n");
} else {
// ...otherwise, just draw the next point
fprintf(outfile, "PushTransform()\n");
write_materials(1);
fprintf(outfile, "Translate(%g, %g, %g)\n",
newpt[0], newpt[1], newpt[2]);
fprintf(outfile, "Sphere(%g, %g, %g, 360)\n",
textthickness, -textthickness, textthickness);
fprintf(outfile, "PopTransform()\n");
}
}
ox=x;
oy=y;
odraw=draw;
}
textpos[0] += rm * textsize;
str++;
}
}
// To write an X3DOM-compatible scene file, we cannot include
// LineProperties nodes.
void X3DOMDisplayDevice::text(float *pos, float size, float thickness,
const char *str) {
float textpos[3];
float textsize;
hersheyhandle hh;
// transform the world coordinates
(transMat.top()).multpoint3d(pos, textpos);
textsize = size * 1.5f;
ResizeArray<int> idxs;
ResizeArray<float> pnts;
idxs.clear();
pnts.clear();
int idx=0;
while (*str != '\0') {
float lm, rm, x, y;
int draw;
x=y=0.0f;
draw=0;
hersheyDrawInitLetter(&hh, *str, &lm, &rm);
textpos[0] -= lm * textsize;
while (!hersheyDrawNextLine(&hh, &draw, &x, &y)) {
float pt[3];
if (draw) {
// add another connected point to the line strip
idxs.append(idx);
pt[0] = textpos[0] + textsize * x;
pt[1] = textpos[1] + textsize * y;
pt[2] = textpos[2];
pnts.append(pt[0]);
pnts.append(pt[1]);
pnts.append(pt[2]);
idx++;
} else {
idxs.append(-1); // pen-up, end of the line strip
}
}
idxs.append(-1); // pen-up, end of the line strip
textpos[0] += rm * textsize;
str++;
}
fprintf(outfile, "<Shape>\n");
fprintf(outfile, " ");
//
// Emit the line properties
//
fprintf(outfile, "<Appearance><Material ");
fprintf(outfile, "ambientIntensity='%g' ", mat_ambient);
fprintf(outfile, "diffuseColor='0 0 0' ");
const float *rgb = matData[colorIndex];
fprintf(outfile, "emissiveColor='%g %g %g' ",
mat_diffuse * rgb[0], mat_diffuse * rgb[1], mat_diffuse * rgb[2]);
fprintf(outfile, "/>");
#if 0
// XXX X3DOM v1.1 doesn't handle LineProperties nodes
// emit a line thickness directive, if needed
if (thickness < 0.99f || thickness > 1.01f) {
fprintf(outfile, " <LineProperties linewidthScaleFactor=\"%g\" "
"containerField=\"lineProperties\"/>\n",
(double) thickness);
}
#endif
fprintf(outfile, "</Appearance>\n");
//
// Emit the line set
//
fprintf(outfile, " <IndexedLineSet coordIndex='");
int i, cnt;
cnt = idxs.num();
for (i=0; i<cnt; i++) {
fprintf(outfile, "%d ", idxs[i]);
}
fprintf(outfile, "'>\n");
fprintf(outfile, " <Coordinate point='");
cnt = pnts.num();
for (i=0; i<cnt; i+=3) {
fprintf(outfile, "%c%g %g %g",
(i==0) ? ' ' : ',',
pnts[i], pnts[i+1], pnts[i+2]);
}
fprintf(outfile, "'/>\n");
fprintf(outfile, " </IndexedLineSet>\n");
fprintf(outfile, "</Shape>\n");
}
void POV3DisplayDevice::text(float *pos, float size, float thickness,
const char *str) {
float textpos[3];
float textsize, textthickness;
hersheyhandle hh;
// transform the world coordinates
(transMat.top()).multpoint3d(pos, textpos);
textsize = size * 1.5f;
textthickness = thickness*DEFAULT_RADIUS;
while (*str != '\0') {
float lm, rm, x, y, ox, oy;
int draw, odraw;
ox=oy=x=y=0.0f;
draw=odraw=0;
hersheyDrawInitLetter(&hh, *str, &lm, &rm);
textpos[0] -= lm * textsize;
while (!hersheyDrawNextLine(&hh, &draw, &x, &y)) {
float oldpt[3], newpt[3];
if (draw) {
newpt[0] = textpos[0] + textsize * x;
newpt[1] = textpos[1] + textsize * y;
newpt[2] = textpos[2];
if (odraw) {
// if we have both previous and next points, connect them...
oldpt[0] = textpos[0] + textsize * ox;
oldpt[1] = textpos[1] + textsize * oy;
oldpt[2] = textpos[2];
fprintf(outfile, "VMD_cylinder(<%.8f,%.8f,%.8f>,<%.8f,%.8f,%.8f>",
oldpt[0], oldpt[1], -oldpt[2], newpt[0], newpt[1], -newpt[2]);
fprintf(outfile, "%.4f,rgbt<%.3f,%.3f,%.3f,%.3f>,%d)\n",
textthickness, matData[colorIndex][0], matData[colorIndex][1],
matData[colorIndex][2], 1 - mat_opacity, 1);
fprintf(outfile, "VMD_sphere(<%.4f,%.4f,%.4f>,%.4f,",
newpt[0], newpt[1], -newpt[2], textthickness);
fprintf(outfile, "rgbt<%.3f,%.3f,%.3f,%.3f>)\n",
matData[colorIndex][0], matData[colorIndex][1],
matData[colorIndex][2], 1 - mat_opacity);
} else {
// ...otherwise, just draw the next point
fprintf(outfile, "VMD_sphere(<%.4f,%.4f,%.4f>,%.4f,",
newpt[0], newpt[1], -newpt[2], textthickness);
fprintf(outfile, "rgbt<%.3f,%.3f,%.3f,%.3f>)\n",
matData[colorIndex][0], matData[colorIndex][1],
matData[colorIndex][2], 1 - mat_opacity);
}
}
ox=x;
oy=y;
odraw=draw;
}
textpos[0] += rm * textsize;
str++;
}
}
